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All Rights Reserved.</span></div> +<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"></span></div> +<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> SUBSYSTEM: Stars.exe</span></div> +<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> FILE: TerrainPatch.cpp</span></div> +<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> AUTHOR: John DiCamillo</span></div> +<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"></span></div> +<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span></div> +<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> OVERVIEW</span></div> +<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> ========</span></div> +<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">*/</span></div> +<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div> +<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "<a class="code" href="_mem_debug_8h.html">MemDebug.h</a>"</span></div> +<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "<a class="code" href="_terrain_8h.html">Terrain.h</a>"</span></div> +<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "<a class="code" href="_terrain_layer_8h.html">TerrainLayer.h</a>"</span></div> +<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "<a class="code" href="_terrain_patch_8h.html">TerrainPatch.h</a>"</span></div> +<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "<a class="code" href="_terrain_region_8h.html">TerrainRegion.h</a>"</span></div> +<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="_sim_8h.html">Sim.h</a>"</span></div> +<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div> +<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "<a class="code" href="_light_8h.html">Light.h</a>"</span></div> +<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="_camera_view_8h.html">CameraView.h</a>"</span></div> +<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="_projector_8h.html">Projector.h</a>"</span></div> +<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="_bitmap_8h.html">Bitmap.h</a>"</span></div> +<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="_data_loader_8h.html">DataLoader.h</a>"</span></div> +<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="_game_8h.html">Game.h</a>"</span></div> +<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="_scene_8h.html">Scene.h</a>"</span></div> +<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="_water_8h.html">Water.h</a>"</span></div> +<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div> +<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// +====================================================================+</span></div> +<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div> +<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// #define DEBUG_DETAIL 1</span></div> +<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div> +<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// +====================================================================+</span></div> +<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div> +<div class="line"><a name="l00036"></a><span class="lineno"><a class="code" href="_terrain_patch_8cpp.html#af956e344e4e5a3c7efc68d5534d77c64"> 36</a></span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="_terrain_patch_8cpp.html#af956e344e4e5a3c7efc68d5534d77c64">MAX_DETAIL</a> = 4;</div> +<div class="line"><a name="l00037"></a><span class="lineno"><a class="code" href="_terrain_patch_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b"> 37</a></span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a> = 17;</div> +<div class="line"><a name="l00038"></a><span class="lineno"><a class="code" href="_terrain_patch_8cpp.html#a0c20caf891fa82dd0ec8d424d38fffd5"> 38</a></span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="_terrain_apron_8cpp.html#a0c20caf891fa82dd0ec8d424d38fffd5">HALF_PATCH_SIZE</a> = 8;</div> +<div class="line"><a name="l00039"></a><span class="lineno"><a class="code" href="_terrain_patch_8cpp.html#a6165aa48b296495536465bdbdc99b888"> 39</a></span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="_terrain_apron_8cpp.html#a6165aa48b296495536465bdbdc99b888">MAX_VERTS</a> = <a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a> * <a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a>;</div> +<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div> +<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> illuminating = <span class="keyword">false</span>;</div> +<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div> +<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div> +<div class="line"><a name="l00045"></a><span class="lineno"><a class="code" href="class_terrain_patch.html#a7f9cf52398a14f07a896d89b3c4c6e09"> 45</a></span> <a class="code" href="class_terrain_patch.html#a7f9cf52398a14f07a896d89b3c4c6e09">TerrainPatch::TerrainPatch</a>(<a class="code" href="class_terrain.html">Terrain</a>* terr,<span class="keyword">const</span> <a class="code" href="class_bitmap.html">Bitmap</a>* patch, <span class="keyword">const</span> <a class="code" href="struct_rect.html">Rect</a>& r,</div> +<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">const</span> <a class="code" href="struct_point.html">Point</a>& p1, <span class="keyword">const</span> <a class="code" href="struct_point.html">Point</a>& p2)</div> +<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> : ndetail(0), terrain(terr), rect(r), water(0), min_height(1e9), max_height(-1e9)</div> +<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> {</div> +<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="class_graphic.html#a3a427eeadbeeacedc27c09a07c30769e">luminous</a> = <span class="keyword">true</span>; <span class="comment">// we will do our own lighting</span></div> +<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="class_solid.html#ab4ccd613c87cff8fde6e13b9c4e3be97">own_model</a> = <span class="keyword">false</span>; <span class="comment">// manage the model lifetimes in this derived class</span></div> +<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div> +<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="class_terrain_patch.html#ad4b7de3fbba0e7fa97eb0214ea88b16c">max_detail</a> = <a class="code" href="class_terrain.html#a27ca091882e714aefb18f5cbe98b0687">Terrain::DetailLevel</a>();</div> +<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="class_terrain_patch.html#aa31906778e8dec08157370c86cbac279">scale</a> = fabs(p1.<a class="code" href="struct_point.html#ab99c56589bc8ad5fa5071387110a5bc7">x</a> - p2.<a class="code" href="struct_point.html#ab99c56589bc8ad5fa5071387110a5bc7">x</a>) / (<a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a>-1);</div> +<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="class_terrain_patch.html#a11042f0fa0c057b6cd9a8192c05c1727">mtnscale</a> = p2.<a class="code" href="struct_point.html#afa38be143ae800e6ad69ce8ed4df62d8">y</a> - p1.<a class="code" href="struct_point.html#afa38be143ae800e6ad69ce8ed4df62d8">y</a>;</div> +<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="class_terrain_patch.html#a8c4c331e4f49e94ed82f87a9be3a5279">base</a> = p1.<a class="code" href="struct_point.html#afa38be143ae800e6ad69ce8ed4df62d8">y</a>;</div> +<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="class_terrain_patch.html#a2c30103b6d1f0aaa748bfa7dc62e5ad2">size</a> = p2.<a class="code" href="struct_point.html#ab99c56589bc8ad5fa5071387110a5bc7">x</a> - p1.<a class="code" href="struct_point.html#ab99c56589bc8ad5fa5071387110a5bc7">x</a>;</div> +<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div> +<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  ZeroMemory(<a class="code" href="class_terrain_patch.html#a3051037ed39305c114af8589a33fa4ff">detail_levels</a>, <span class="keyword">sizeof</span>(<a class="code" href="class_terrain_patch.html#a3051037ed39305c114af8589a33fa4ff">detail_levels</a>));</div> +<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div> +<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="class_terrain_patch.html#ae89bb2897196cea7e4c7bc2247bf11b1">terrain_width</a> = patch-><a class="code" href="class_bitmap.html#af98be2706939528725684068c28d2969">Width</a>();</div> +<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div> +<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="class_graphic.html#a9ce2c536ee7744836ddde006907df8e7">loc</a> = (p1 + p2) * 0.5;</div> +<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="class_graphic.html#a9ce2c536ee7744836ddde006907df8e7">loc</a>.<a class="code" href="struct_point.html#afa38be143ae800e6ad69ce8ed4df62d8">y</a> = <a class="code" href="class_terrain_patch.html#a8c4c331e4f49e94ed82f87a9be3a5279">base</a>;</div> +<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div> +<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="class_graphic.html#a375d4c28b1feb40e12fb5a7cbba6a59c">radius</a> = (float) (<a class="code" href="class_terrain_patch.html#a2c30103b6d1f0aaa748bfa7dc62e5ad2">size</a> * 0.75);</div> +<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="class_terrain_patch.html#ad4aed55c38320a907582fab760bc6058">heights</a> = <span class="keyword">new</span>(__FILE__,__LINE__) <span class="keywordtype">float</span>[<a class="code" href="_terrain_apron_8cpp.html#a6165aa48b296495536465bdbdc99b888">MAX_VERTS</a>];</div> +<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> +<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">float</span>* pHeight = <a class="code" href="class_terrain_patch.html#ad4aed55c38320a907582fab760bc6058">heights</a>;</div> +<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">int</span> tscale = <a class="code" href="class_terrain_patch.html#af7977bb9b8a9b6137284db8f2eab3c96">rect</a>.<a class="code" href="struct_rect.html#a36b6c8bb15c7706c3b2b3e91345e11f8">w</a> / (<a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a>-1);</div> +<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">int</span> i, j;</div> +<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div> +<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a>; i++) {</div> +<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">int</span> ty = <a class="code" href="class_terrain_patch.html#af7977bb9b8a9b6137284db8f2eab3c96">rect</a>.<a class="code" href="struct_rect.html#a1e37b6f8a4fb0d68ba22c8fffffab0a4">y</a> + i * tscale;</div> +<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div> +<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">if</span> (ty < 0)</div> +<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  ty = 0;</div> +<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div> +<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span> (ty > patch-><a class="code" href="class_bitmap.html#a2b8f07ee82c95736121aeef55a40cf6a">Height</a>()-1)</div> +<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  ty = patch-><a class="code" href="class_bitmap.html#a2b8f07ee82c95736121aeef55a40cf6a">Height</a>()-1;</div> +<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div> +<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">for</span> (j = 0; j < <a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a>; j++) {</div> +<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordtype">int</span> tx = <a class="code" href="class_terrain_patch.html#af7977bb9b8a9b6137284db8f2eab3c96">rect</a>.<a class="code" href="struct_rect.html#a64d1ef14e429e1816539de4c54361e55">x</a> + (PATCH_SIZE-1 - j) * tscale;</div> +<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div> +<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (tx < 0)</div> +<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  tx = 0;</div> +<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div> +<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">if</span> (tx > patch-><a class="code" href="class_bitmap.html#af98be2706939528725684068c28d2969">Width</a>()-1)</div> +<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  tx = patch-><a class="code" href="class_bitmap.html#af98be2706939528725684068c28d2969">Width</a>()-1;</div> +<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div> +<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">int</span> red = patch-><a class="code" href="class_bitmap.html#a62921f97cbeefa419e74fb0a760c8ffe">GetColor</a>(tx,ty).<a class="code" href="class_color.html#ae74d9df827e314c643c95112dea3d1d7">Red</a>();</div> +<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">float</span> alt = (float) (red * <a class="code" href="class_terrain_patch.html#a11042f0fa0c057b6cd9a8192c05c1727">mtnscale</a>);</div> +<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div> +<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (alt < <a class="code" href="class_terrain_patch.html#a538b56d9591f963f47b038a5e56ee16b">min_height</a>)</div> +<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="class_terrain_patch.html#a538b56d9591f963f47b038a5e56ee16b">min_height</a> = alt;</div> +<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span> (alt > <a class="code" href="class_terrain_patch.html#a392520e7b02ccc4d949defc471aa1247">max_height</a>)</div> +<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="class_terrain_patch.html#a392520e7b02ccc4d949defc471aa1247">max_height</a> = alt;</div> +<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div> +<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#ac8c8409fdbd90e90ada97353927958fb">WaterTexture</a>() && red < 2)</div> +<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  alt = -5000.0f;</div> +<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div> +<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  *pHeight++ = alt;</div> +<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div> +<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div> +<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div> +<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="struct_material.html">Material</a>* mtl = <span class="keyword">new</span>(__FILE__,__LINE__) <a class="code" href="struct_material.html">Material</a>;</div> +<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  mtl-><a class="code" href="struct_material.html#a7ccfd56c0310ca12545afb515e81b85f">Ka</a> = <a class="code" href="class_color_value.html">ColorValue</a>(0.5f, 0.5f, 0.5f);</div> +<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  mtl-><a class="code" href="struct_material.html#a05b646c99f9ab5df7092109916b506a6">Kd</a> = <a class="code" href="class_color_value.html">ColorValue</a>(0.3f, 0.6f, 0.2f);</div> +<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  mtl-><a class="code" href="struct_material.html#a03326968d7c667605aa2f70f8a551444">Ks</a> = <a class="code" href="class_color.html#ad4282315e214e01f5c2cc046c3a3d8f4">Color::Black</a>;</div> +<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div> +<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  mtl-><a class="code" href="struct_material.html#a1d848bfac5c7f17f91557fd23c44b101">tex_diffuse</a> = <a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#a313d33cf9db654bcd51dd762b48d2a36">Texture</a>();</div> +<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div> +<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="class_terrain_patch.html#ae6b247bb81ef5289a83c3e523a8c8451">materials</a>.<a class="code" href="class_list.html#ab3180edb4da02be2a4b62320071755b8">append</a>(mtl);</div> +<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div> +<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="class_list.html">List<TerrainLayer></a>& <a class="code" href="class_terrain_region.html#ad00644ed494ad25ac834392114fd1f34">layers</a> = <a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#a0fff6f973850a359df8bf3fd9ab7f293">GetLayers</a>();</div> +<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">for</span> (i = 0; i < layers.<a class="code" href="class_list.html#a802e2aa9aaef248591140fa032d20d61">size</a>(); i++) {</div> +<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="class_bitmap.html">Bitmap</a>* tex0 = layers.<a class="code" href="class_list.html#a92f41ba1f2810b54d6b47ce727ff9835">at</a>(i)-><a class="code" href="class_terrain_layer.html#ae5a917d563382593d18c5a17fab39e64">GetTileTexture</a>();</div> +<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="class_bitmap.html">Bitmap</a>* tex1 = 0;</div> +<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="class_bitmap.html">Bitmap</a>* texd = layers.<a class="code" href="class_list.html#a92f41ba1f2810b54d6b47ce727ff9835">at</a>(i)-><a class="code" href="class_terrain_layer.html#a0a52222ae983cc2deae652f621af8b22">GetDetailTexture</a>();</div> +<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div> +<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">if</span> (i < layers.<a class="code" href="class_list.html#a802e2aa9aaef248591140fa032d20d61">size</a>()-1)</div> +<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  tex1 = layers.<a class="code" href="class_list.html#a92f41ba1f2810b54d6b47ce727ff9835">at</a>(i+1)-><a class="code" href="class_terrain_layer.html#ae5a917d563382593d18c5a17fab39e64">GetTileTexture</a>();</div> +<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div> +<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (!texd)</div> +<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  texd = <a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#a402179ee1ed5f7a75a5f13d75d9c62fc">DetailTexture</a>(0);</div> +<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div> +<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  mtl = <span class="keyword">new</span>(__FILE__,__LINE__) <a class="code" href="struct_material.html">Material</a>;</div> +<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  mtl-><a class="code" href="struct_material.html#a7ccfd56c0310ca12545afb515e81b85f">Ka</a> = <a class="code" href="class_color_value.html">ColorValue</a>(0.5f, 0.5f, 0.5f);</div> +<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  mtl-><a class="code" href="struct_material.html#a05b646c99f9ab5df7092109916b506a6">Kd</a> = <a class="code" href="class_color_value.html">ColorValue</a>(0.3f, 0.6f, 0.2f);</div> +<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  mtl-><a class="code" href="struct_material.html#a03326968d7c667605aa2f70f8a551444">Ks</a> = <a class="code" href="class_color.html#ad4282315e214e01f5c2cc046c3a3d8f4">Color::Black</a>;</div> +<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div> +<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> ((i & 1) != 0) {</div> +<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  mtl-><a class="code" href="struct_material.html#a1d848bfac5c7f17f91557fd23c44b101">tex_diffuse</a> = tex1;</div> +<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  mtl-><a class="code" href="struct_material.html#a626e419ce051501f1e42053556e7da0f">tex_alternate</a> = tex0;</div> +<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div> +<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">else</span> {</div> +<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  mtl-><a class="code" href="struct_material.html#a1d848bfac5c7f17f91557fd23c44b101">tex_diffuse</a> = tex0;</div> +<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  mtl-><a class="code" href="struct_material.html#a626e419ce051501f1e42053556e7da0f">tex_alternate</a> = tex1;</div> +<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div> +<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div> +<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  mtl-><a class="code" href="struct_material.html#a84da46b60cffcfa54aec42729a632538">tex_detail</a> = texd;</div> +<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div> +<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <a class="code" href="class_terrain_patch.html#ae6b247bb81ef5289a83c3e523a8c8451">materials</a>.<a class="code" href="class_list.html#ab3180edb4da02be2a4b62320071755b8">append</a>(mtl);</div> +<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div> +<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div> +<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">for</span> (i = 0; i <= <a class="code" href="class_terrain_patch.html#ad4b7de3fbba0e7fa97eb0214ea88b16c">max_detail</a>; i++)</div> +<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="class_terrain_patch.html#aaf3c1b0ef327e924c300aa44de59e397">BuildDetailLevel</a>(i);</div> +<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div> +<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="class_solid.html#af40b436e67a38f424ea63758efc063c4">model</a> = <a class="code" href="class_terrain_patch.html#a3051037ed39305c114af8589a33fa4ff">detail_levels</a>[1];</div> +<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> }</div> +<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div> +<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div> +<div class="line"><a name="l00153"></a><span class="lineno"><a class="code" href="class_terrain_patch.html#aca30bd31db71b18a93e3443bdf2b87c7"> 153</a></span> <a class="code" href="class_terrain_patch.html#a7f9cf52398a14f07a896d89b3c4c6e09">TerrainPatch::TerrainPatch</a>(<a class="code" href="class_terrain.html">Terrain</a>* terr,</div> +<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="keyword">const</span> <a class="code" href="struct_rect.html">Rect</a>& r, </div> +<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="keyword">const</span> <a class="code" href="struct_point.html">Point</a>& p1,</div> +<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">const</span> <a class="code" href="struct_point.html">Point</a>& p2,</div> +<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="keywordtype">double</span> sea_level)</div> +<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> : ndetail(0), terrain(terr), rect(r), water(0)</div> +<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> {</div> +<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <a class="code" href="class_graphic.html#a3a427eeadbeeacedc27c09a07c30769e">luminous</a> = <span class="keyword">true</span>; <span class="comment">// water is lit by the graphics engine</span></div> +<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <a class="code" href="class_solid.html#ab4ccd613c87cff8fde6e13b9c4e3be97">own_model</a> = <span class="keyword">false</span>; <span class="comment">// manage the model lifetimes in this derived class</span></div> +<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div> +<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <a class="code" href="class_terrain_patch.html#ad4b7de3fbba0e7fa97eb0214ea88b16c">max_detail</a> = <a class="code" href="class_terrain.html#a27ca091882e714aefb18f5cbe98b0687">Terrain::DetailLevel</a>();</div> +<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="class_terrain_patch.html#aa31906778e8dec08157370c86cbac279">scale</a> = fabs(p1.<a class="code" href="struct_point.html#ab99c56589bc8ad5fa5071387110a5bc7">x</a> - p2.<a class="code" href="struct_point.html#ab99c56589bc8ad5fa5071387110a5bc7">x</a>) / (<a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a>-1);</div> +<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <a class="code" href="class_terrain_patch.html#a11042f0fa0c057b6cd9a8192c05c1727">mtnscale</a> = 0;</div> +<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <a class="code" href="class_terrain_patch.html#a8c4c331e4f49e94ed82f87a9be3a5279">base</a> = sea_level;</div> +<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="class_terrain_patch.html#a2c30103b6d1f0aaa748bfa7dc62e5ad2">size</a> = p2.<a class="code" href="struct_point.html#ab99c56589bc8ad5fa5071387110a5bc7">x</a> - p1.<a class="code" href="struct_point.html#ab99c56589bc8ad5fa5071387110a5bc7">x</a>;</div> +<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div> +<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  ZeroMemory(<a class="code" href="class_terrain_patch.html#a3051037ed39305c114af8589a33fa4ff">detail_levels</a>, <span class="keyword">sizeof</span>(<a class="code" href="class_terrain_patch.html#a3051037ed39305c114af8589a33fa4ff">detail_levels</a>));</div> +<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div> +<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="class_terrain_patch.html#ae89bb2897196cea7e4c7bc2247bf11b1">terrain_width</a> = 0;</div> +<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div> +<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="class_graphic.html#a9ce2c536ee7744836ddde006907df8e7">loc</a> = (p1 + p2) * 0.5;</div> +<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <a class="code" href="class_graphic.html#a9ce2c536ee7744836ddde006907df8e7">loc</a>.<a class="code" href="struct_point.html#afa38be143ae800e6ad69ce8ed4df62d8">y</a> = <a class="code" href="class_terrain_patch.html#a8c4c331e4f49e94ed82f87a9be3a5279">base</a>;</div> +<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div> +<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="class_graphic.html#a375d4c28b1feb40e12fb5a7cbba6a59c">radius</a> = (float) (<a class="code" href="class_terrain_patch.html#a2c30103b6d1f0aaa748bfa7dc62e5ad2">size</a> * 0.75);</div> +<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <a class="code" href="class_terrain_patch.html#ad4aed55c38320a907582fab760bc6058">heights</a> = <span class="keyword">new</span>(__FILE__,__LINE__) <span class="keywordtype">float</span>[<a class="code" href="_terrain_apron_8cpp.html#a6165aa48b296495536465bdbdc99b888">MAX_VERTS</a>];</div> +<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div> +<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordtype">float</span>* pHeight = <a class="code" href="class_terrain_patch.html#ad4aed55c38320a907582fab760bc6058">heights</a>;</div> +<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordtype">int</span> i, j;</div> +<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div> +<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a>; i++) {</div> +<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">for</span> (j = 0; j < <a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a>; j++) {</div> +<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  *pHeight++ = (float) sea_level;</div> +<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div> +<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div> +<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div> +<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <a class="code" href="struct_material.html">Material</a>* mtl = <span class="keyword">new</span>(__FILE__,__LINE__) <a class="code" href="struct_material.html">Material</a>;</div> +<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  mtl-><a class="code" href="struct_material.html#a7ccfd56c0310ca12545afb515e81b85f">Ka</a> = <a class="code" href="class_color.html#af2dd026627915f6b0ed9763d0023b28b">Color::Gray</a>;</div> +<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  mtl-><a class="code" href="struct_material.html#a05b646c99f9ab5df7092109916b506a6">Kd</a> = <a class="code" href="class_color.html#a85c6885383e69ed18d7c7f633c7ea110">Color::White</a>;</div> +<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  mtl-><a class="code" href="struct_material.html#a03326968d7c667605aa2f70f8a551444">Ks</a> = <a class="code" href="class_color.html#a85c6885383e69ed18d7c7f633c7ea110">Color::White</a>;</div> +<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  mtl-><a class="code" href="struct_material.html#a40f9d86ecf678d45c4334f5d57a6cba7">power</a> = 30.0f;</div> +<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  mtl-><a class="code" href="struct_material.html#a0e8b3aa08dcf57340fea05bbdf05ea4a">shadow</a> = <span class="keyword">false</span>;</div> +<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  mtl-><a class="code" href="struct_material.html#a1d848bfac5c7f17f91557fd23c44b101">tex_diffuse</a> = <a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#ac8c8409fdbd90e90ada97353927958fb">WaterTexture</a>();</div> +<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="comment">//strcpy_s(mtl->shader, "WaterReflections");</span></div> +<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <a class="code" href="class_terrain_patch.html#ae6b247bb81ef5289a83c3e523a8c8451">materials</a>.<a class="code" href="class_list.html#ab3180edb4da02be2a4b62320071755b8">append</a>(mtl);</div> +<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div> +<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a> = <a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#af0f4e75c28222a0af4b30a987f81e90c">GetWater</a>(1);</div> +<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div> +<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">for</span> (i = 0; i <= <a class="code" href="class_terrain_patch.html#ad4b7de3fbba0e7fa97eb0214ea88b16c">max_detail</a>; i++)</div> +<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <a class="code" href="class_terrain_patch.html#aaf3c1b0ef327e924c300aa44de59e397">BuildDetailLevel</a>(i);</div> +<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div> +<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <a class="code" href="class_solid.html#af40b436e67a38f424ea63758efc063c4">model</a> = <a class="code" href="class_terrain_patch.html#a3051037ed39305c114af8589a33fa4ff">detail_levels</a>[1];</div> +<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> }</div> +<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div> +<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div> +<div class="line"><a name="l00208"></a><span class="lineno"><a class="code" href="class_terrain_patch.html#aa503d5f7eda93eb152b2148cbb967537"> 208</a></span> <a class="code" href="class_terrain_patch.html#aa503d5f7eda93eb152b2148cbb967537">TerrainPatch::~TerrainPatch</a>()</div> +<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> {</div> +<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keyword">delete</span> [] <a class="code" href="class_terrain_patch.html#ad4aed55c38320a907582fab760bc6058">heights</a>;</div> +<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div> +<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="class_terrain_patch.html#a09c70ef1805bbe5cc84a5c270e4f7f3aa295231f7ca35a80450a1c71a51841e9e">MAX_LOD</a>; i++) {</div> +<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <a class="code" href="class_model.html">Model</a>* m = <a class="code" href="class_terrain_patch.html#a3051037ed39305c114af8589a33fa4ff">detail_levels</a>[i];</div> +<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div> +<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">if</span> (m) {</div> +<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  m-><a class="code" href="class_model.html#a33fd31e6556eb7c14299081302d7f387">GetMaterials</a>().<a class="code" href="class_list.html#ae296516a252e11963dbf963727ce429a">clear</a>();</div> +<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">delete</span> m;</div> +<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</div> +<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div> +<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div> +<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="code" href="class_terrain_patch.html#ae6b247bb81ef5289a83c3e523a8c8451">materials</a>.<a class="code" href="class_list.html#a2c39145db843e6fc3fe5e835cd52b68d">destroy</a>();</div> +<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> }</div> +<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div> +<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div> +<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="keywordtype">void</span></div> +<div class="line"><a name="l00227"></a><span class="lineno"><a class="code" href="class_terrain_patch.html#a3c218c2234a06ff6848cd501a103074e"> 227</a></span> <a class="code" href="class_terrain_patch.html#a3c218c2234a06ff6848cd501a103074e">TerrainPatch::SetScales</a>(<span class="keywordtype">double</span> s, <span class="keywordtype">double</span> m, <span class="keywordtype">double</span> b)</div> +<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> {</div> +<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <a class="code" href="class_terrain_patch.html#aa31906778e8dec08157370c86cbac279">scale</a> = s;</div> +<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <a class="code" href="class_terrain_patch.html#a11042f0fa0c057b6cd9a8192c05c1727">mtnscale</a> = m;</div> +<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <a class="code" href="class_terrain_patch.html#a8c4c331e4f49e94ed82f87a9be3a5279">base</a> = b;</div> +<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> }</div> +<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div> +<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div> +<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="keyword">static</span> <span class="keywordtype">int</span> mcomp(<span class="keyword">const</span> <span class="keywordtype">void</span>* a, <span class="keyword">const</span> <span class="keywordtype">void</span>* b)</div> +<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> {</div> +<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <a class="code" href="struct_poly.html">Poly</a>* pa = (<a class="code" href="struct_poly.html">Poly</a>*) a;</div> +<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <a class="code" href="struct_poly.html">Poly</a>* pb = (<a class="code" href="struct_poly.html">Poly</a>*) b;</div> +<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div> +<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">if</span> (pa-><a class="code" href="struct_poly.html#ad974f3a8d591a1dc5455d40f7c106dd5">sortval</a> == pb-><a class="code" href="struct_poly.html#ad974f3a8d591a1dc5455d40f7c106dd5">sortval</a>)</div> +<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">return</span> 0;</div> +<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> </div> +<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">if</span> (pa-><a class="code" href="struct_poly.html#ad974f3a8d591a1dc5455d40f7c106dd5">sortval</a> < pb-><a class="code" href="struct_poly.html#ad974f3a8d591a1dc5455d40f7c106dd5">sortval</a>)</div> +<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">return</span> 1;</div> +<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div> +<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">return</span> -1;</div> +<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> }</div> +<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div> +<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> </div> +<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="keyword">static</span> <span class="keywordtype">void</span> bisect(<a class="code" href="struct_vertex_set.html">VertexSet</a>* vset, <span class="keywordtype">int</span> v[4])</div> +<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> {</div> +<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordtype">double</span> d1 = fabs(vset-><a class="code" href="struct_vertex_set.html#ace261b0101f85d89b26e2fbfec6a8c28">loc</a>[ v[0] ].<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a> -</div> +<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  vset-><a class="code" href="struct_vertex_set.html#ace261b0101f85d89b26e2fbfec6a8c28">loc</a>[ v[3] ].<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a>);</div> +<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div> +<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordtype">double</span> d2 = fabs(vset-><a class="code" href="struct_vertex_set.html#ace261b0101f85d89b26e2fbfec6a8c28">loc</a>[ v[1] ].<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a> -</div> +<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  vset-><a class="code" href="struct_vertex_set.html#ace261b0101f85d89b26e2fbfec6a8c28">loc</a>[ v[2] ].<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a>);</div> +<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> </div> +<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">if</span> (d2 < 0.7*d1) {</div> +<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordtype">int</span> odd[4] = { v[1], v[3], v[0], v[2] };</div> +<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < 4; i++)</div> +<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  v[i] = odd[i];</div> +<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  }</div> +<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> }</div> +<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> </div> +<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="keywordtype">bool</span></div> +<div class="line"><a name="l00267"></a><span class="lineno"><a class="code" href="class_terrain_patch.html#aaf3c1b0ef327e924c300aa44de59e397"> 267</a></span> <a class="code" href="class_terrain_patch.html#aaf3c1b0ef327e924c300aa44de59e397">TerrainPatch::BuildDetailLevel</a>(<span class="keywordtype">int</span> level)</div> +<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> {</div> +<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordtype">int</span> i, j;</div> +<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div> +<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordtype">int</span> detail_size = 1 << level;</div> +<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordtype">int</span> ds1 = detail_size+1;</div> +<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div> +<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">if</span> (detail_size > <a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a>)</div> +<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> +<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> </div> +<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <a class="code" href="class_model.html">Model</a>* <a class="code" href="class_solid.html#af40b436e67a38f424ea63758efc063c4">model</a> = <span class="keyword">new</span>(__FILE__,__LINE__) <a class="code" href="class_model.html">Model</a>;</div> +<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <a class="code" href="class_terrain_patch.html#a3051037ed39305c114af8589a33fa4ff">detail_levels</a>[level] = <a class="code" href="class_solid.html#af40b436e67a38f424ea63758efc063c4">model</a>;</div> +<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> </div> +<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  model-><a class="code" href="class_model.html#a32219ab75165cac38abeca612ef09e83">SetLuminous</a>(<a class="code" href="class_graphic.html#a3a427eeadbeeacedc27c09a07c30769e">luminous</a>);</div> +<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  model-><a class="code" href="class_model.html#a765c577214736ed5423833090c871c17">SetDynamic</a>(<span class="keyword">true</span>);</div> +<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div> +<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> NUM_STRIPS = 4;</div> +<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="_terrain_apron_8cpp.html#acdaa29bcd166daf9eae4e6c616e84c85">NUM_INDICES_TRI</a> = 3;</div> +<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> NUM_INDICES_QUAD = 6;</div> +<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div> +<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordtype">int</span> nverts = ds1*ds1 + ds1*2*NUM_STRIPS;</div> +<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordtype">int</span> npolys = detail_size*detail_size*2;</div> +<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordtype">int</span> strip_len = detail_size;</div> +<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordtype">int</span> total = npolys + strip_len*NUM_STRIPS;</div> +<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div> +<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>) {</div> +<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  nverts = ds1*ds1;</div> +<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  strip_len = 0;</div> +<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  total = npolys;</div> +<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  }</div> +<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> </div> +<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <a class="code" href="class_surface.html">Surface</a>* s = <span class="keyword">new</span>(__FILE__,__LINE__) <a class="code" href="class_surface.html">Surface</a>;</div> +<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <a class="code" href="struct_vertex_set.html">VertexSet</a>* vset = 0;</div> +<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> </div> +<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">if</span> (s) {</div> +<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  s-><a class="code" href="class_surface.html#ad8f51c63c108de0feccdd53bfcfae2f4">SetName</a>(<span class="stringliteral">"default"</span>);</div> +<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  s-><a class="code" href="class_surface.html#ad5dfc88bc9cc433dd4053997453646bb">CreateVerts</a>(nverts);</div> +<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  s-><a class="code" href="class_surface.html#a45ce266d6d69b040719a582f7e3c9567">CreatePolys</a>(total);</div> +<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  s-><a class="code" href="class_surface.html#a783c7765e41d541360da8deaa6d95093">AddIndices</a>(npolys*NUM_INDICES_TRI + strip_len*NUM_STRIPS*NUM_INDICES_QUAD);</div> +<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> </div> +<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  vset = s-><a class="code" href="class_surface.html#af2fac48e415e8fb46b4b5186b94c0a1b">GetVertexSet</a>();</div> +<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">if</span> (!<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>)</div> +<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  vset-><a class="code" href="struct_vertex_set.html#aaac6cbe561e8f60d0416d73f95ea8315">CreateAdditionalTexCoords</a>();</div> +<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> </div> +<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  ZeroMemory(vset-><a class="code" href="struct_vertex_set.html#ace261b0101f85d89b26e2fbfec6a8c28">loc</a>, nverts * <span class="keyword">sizeof</span>(<a class="code" href="struct_vec3.html">Vec3</a>));</div> +<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  ZeroMemory(vset-><a class="code" href="struct_vertex_set.html#aba2d775c75be70d0d821281d2f02d788">diffuse</a>, nverts * <span class="keyword">sizeof</span>(DWORD));</div> +<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  ZeroMemory(vset-><a class="code" href="struct_vertex_set.html#a2bf3f3497ac0ec9369021a36bd6f50a8">specular</a>, nverts * <span class="keyword">sizeof</span>(DWORD));</div> +<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  ZeroMemory(vset-><a class="code" href="struct_vertex_set.html#af62b2db3dc8405d7061691a67339604d">tu</a>, nverts * <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>));</div> +<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  ZeroMemory(vset-><a class="code" href="struct_vertex_set.html#a49d11e5c7d4b3026a5ee92052ff65a9f">tv</a>, nverts * <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>));</div> +<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span> (!<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>) {</div> +<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  ZeroMemory(vset-><a class="code" href="struct_vertex_set.html#a596bbe94e0ab7b862ef0cc3f199df8ec">tu1</a>, nverts * <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>));</div> +<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  ZeroMemory(vset-><a class="code" href="struct_vertex_set.html#a6a1b57b8faf21a1fabe96f5ca19a65b4">tv1</a>, nverts * <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>));</div> +<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  }</div> +<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  ZeroMemory(vset-><a class="code" href="struct_vertex_set.html#adba10fd9cb37e93c50aa52edab55e757">rw</a>, nverts * <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>));</div> +<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div> +<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="comment">// initialize vertices</span></div> +<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <a class="code" href="struct_vec3.html">Vec3</a>* pVert = vset-><a class="code" href="struct_vertex_set.html#ace261b0101f85d89b26e2fbfec6a8c28">loc</a>;</div> +<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordtype">float</span>* pTu = vset-><a class="code" href="struct_vertex_set.html#af62b2db3dc8405d7061691a67339604d">tu</a>;</div> +<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordtype">float</span>* pTv = vset-><a class="code" href="struct_vertex_set.html#a49d11e5c7d4b3026a5ee92052ff65a9f">tv</a>;</div> +<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordtype">float</span>* pTu1 = vset-><a class="code" href="struct_vertex_set.html#a596bbe94e0ab7b862ef0cc3f199df8ec">tu1</a>;</div> +<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordtype">float</span>* pTv1 = vset-><a class="code" href="struct_vertex_set.html#a6a1b57b8faf21a1fabe96f5ca19a65b4">tv1</a>;</div> +<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  DWORD* pSpec = vset-><a class="code" href="struct_vertex_set.html#a2bf3f3497ac0ec9369021a36bd6f50a8">specular</a>;</div> +<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div> +<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordtype">int</span> dscale = (<a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a>-1)/detail_size;</div> +<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordtype">double</span> dt = 0.0625 / (ds1-1); <span class="comment">// terrain texture scale</span></div> +<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordtype">double</span> dtt = 2.0000 / (ds1-1); <span class="comment">// tile texture scale</span></div> +<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordtype">double</span> tu0 = (double) <a class="code" href="class_terrain_patch.html#af7977bb9b8a9b6137284db8f2eab3c96">rect</a>.<a class="code" href="struct_rect.html#a64d1ef14e429e1816539de4c54361e55">x</a> / <a class="code" href="class_terrain_patch.html#af7977bb9b8a9b6137284db8f2eab3c96">rect</a>.<a class="code" href="struct_rect.html#a36b6c8bb15c7706c3b2b3e91345e11f8">w</a> / 16.0 + 1.0/16.0;</div> +<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordtype">double</span> tv0 = (<span class="keywordtype">double</span>) <a class="code" href="class_terrain_patch.html#af7977bb9b8a9b6137284db8f2eab3c96">rect</a>.<a class="code" href="struct_rect.html#a1e37b6f8a4fb0d68ba22c8fffffab0a4">y</a> / <a class="code" href="class_terrain_patch.html#af7977bb9b8a9b6137284db8f2eab3c96">rect</a>.<a class="code" href="struct_rect.html#af9111a21106ba65952da60320ea91df6">h</a> / 16.0;</div> +<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> </div> +<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="comment">// surface verts</span></div> +<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">for</span> (i = 0; i < ds1; i++) {</div> +<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">for</span> (j = 0; j < ds1; j++) {</div> +<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  *pVert = <a class="code" href="struct_vec3.html">Vec3</a>((<span class="keywordtype">float</span>) (j* <a class="code" href="class_terrain_patch.html#aa31906778e8dec08157370c86cbac279">scale</a> * dscale - (<a class="code" href="_terrain_apron_8cpp.html#a0c20caf891fa82dd0ec8d424d38fffd5">HALF_PATCH_SIZE</a>*<a class="code" href="class_terrain_patch.html#aa31906778e8dec08157370c86cbac279">scale</a>)),</div> +<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  (<span class="keywordtype">float</span>) (<a class="code" href="class_terrain_patch.html#ad4aed55c38320a907582fab760bc6058">heights</a>[i*dscale*<a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a> + j*dscale]),</div> +<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  (<span class="keywordtype">float</span>) (i* scale * dscale - (<a class="code" href="_terrain_apron_8cpp.html#a0c20caf891fa82dd0ec8d424d38fffd5">HALF_PATCH_SIZE</a>*scale)));</div> +<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div> +<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">if</span> (level >= 2) {</div> +<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  *pTu++ = (float) (-j*dtt);</div> +<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  *pTv++ = (float) ( i*dtt);</div> +<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> </div> +<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span> (level >= 4 && !<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>) {</div> +<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  *pTu1++ = (float) (-j*dtt*3);</div> +<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  *pTv1++ = (float) ( i*dtt*3);</div> +<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  }</div> +<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> </div> +<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  *pSpec++ = <a class="code" href="class_terrain_patch.html#ad5794e8cb2f19eeaffda0a28476d1629">BlendValue</a>(pVert-><a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a>);</div> +<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  }</div> +<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div> +<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">else</span> {</div> +<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  *pTu++ = (float) (tu0 - j*dt);</div> +<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  *pTv++ = (float) (tv0 + i*dt);</div> +<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  }</div> +<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> </div> +<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  pVert++;</div> +<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  }</div> +<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  }</div> +<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> </div> +<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">if</span> (!<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>) {</div> +<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="comment">// strip 1 & 2 verts</span></div> +<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">for</span> (i = 0; i < ds1; i += detail_size) {</div> +<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">for</span> (j = 0; j < ds1; j++) {</div> +<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <a class="code" href="struct_vec3.html">Vec3</a> vl = <a class="code" href="struct_vec3.html">Vec3</a>((<span class="keywordtype">float</span>) (j* <a class="code" href="class_terrain_patch.html#aa31906778e8dec08157370c86cbac279">scale</a> * dscale - (<a class="code" href="_terrain_apron_8cpp.html#a0c20caf891fa82dd0ec8d424d38fffd5">HALF_PATCH_SIZE</a>*<a class="code" href="class_terrain_patch.html#aa31906778e8dec08157370c86cbac279">scale</a>)),</div> +<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  (<span class="keywordtype">float</span>) (<a class="code" href="class_terrain_patch.html#ad4aed55c38320a907582fab760bc6058">heights</a>[i*dscale*<a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a> + j*dscale]),</div> +<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  (<span class="keywordtype">float</span>) (i* scale * dscale - (<a class="code" href="_terrain_apron_8cpp.html#a0c20caf891fa82dd0ec8d424d38fffd5">HALF_PATCH_SIZE</a>*scale)));</div> +<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> </div> +<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  *pVert++ = vl;</div> +<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> </div> +<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  DWORD blend = 0;</div> +<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> </div> +<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">if</span> (level >= 2) {</div> +<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  blend = <a class="code" href="class_terrain_patch.html#ad5794e8cb2f19eeaffda0a28476d1629">BlendValue</a>(vl.<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a>);</div> +<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> </div> +<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  *pSpec++ = blend;</div> +<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  *pTu++ = (float) (-j*dtt);</div> +<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  *pTv++ = (float) ( i*dtt);</div> +<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  }</div> +<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> </div> +<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">else</span> {</div> +<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  *pTu++ = (float) (tu0 - j*dt);</div> +<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  *pTv++ = (float) (tv0 + i*dt);</div> +<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  }</div> +<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> </div> +<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  vl.<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a> = -5000.0f;</div> +<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> </div> +<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  *pVert++ = vl;</div> +<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div> +<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keywordflow">if</span> (level >= 2) {</div> +<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  *pSpec++ = blend;</div> +<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  *pTu++ = (float) (-j*dtt);</div> +<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  *pTv++ = (float) ( i*dtt);</div> +<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  }</div> +<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> </div> +<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">else</span> {</div> +<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  *pTu++ = (float) (tu0 - j*dt);</div> +<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  *pTv++ = (float) (tv0 + i*dt);</div> +<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  }</div> +<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  }</div> +<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  }</div> +<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> </div> +<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="comment">// strip 3 & 4 verts</span></div> +<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">for</span> (j = 0; j < ds1; j += detail_size) {</div> +<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">for</span> (i = 0; i < ds1; i++) {</div> +<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <a class="code" href="struct_vec3.html">Vec3</a> vl = <a class="code" href="struct_vec3.html">Vec3</a>((<span class="keywordtype">float</span>) (j* <a class="code" href="class_terrain_patch.html#aa31906778e8dec08157370c86cbac279">scale</a> * dscale - (<a class="code" href="_terrain_apron_8cpp.html#a0c20caf891fa82dd0ec8d424d38fffd5">HALF_PATCH_SIZE</a>*<a class="code" href="class_terrain_patch.html#aa31906778e8dec08157370c86cbac279">scale</a>)),</div> +<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  (<span class="keywordtype">float</span>) (<a class="code" href="class_terrain_patch.html#ad4aed55c38320a907582fab760bc6058">heights</a>[i*dscale*<a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a> + j*dscale]),</div> +<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  (<span class="keywordtype">float</span>) (i* scale * dscale - (<a class="code" href="_terrain_apron_8cpp.html#a0c20caf891fa82dd0ec8d424d38fffd5">HALF_PATCH_SIZE</a>*scale)));</div> +<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> </div> +<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  *pVert++ = vl;</div> +<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> </div> +<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  DWORD blend = 0;</div> +<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> </div> +<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">if</span> (level >= 2) {</div> +<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  blend = <a class="code" href="class_terrain_patch.html#ad5794e8cb2f19eeaffda0a28476d1629">BlendValue</a>(vl.<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a>);</div> +<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> </div> +<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  *pSpec++ = blend;</div> +<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  *pTu++ = (float) (-j*dtt);</div> +<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  *pTv++ = (float) ( i*dtt);</div> +<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  }</div> +<div class="line"><a name="l00424"></a><span class="lineno"> 424</span> </div> +<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">else</span> {</div> +<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  *pTu++ = (float) (tu0 - j*dt);</div> +<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  *pTv++ = (float) (tv0 + i*dt);</div> +<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  }</div> +<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> </div> +<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  vl.<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a> = -5000.0f;</div> +<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> </div> +<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  *pVert++ = vl;</div> +<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> </div> +<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">if</span> (level >= 2) {</div> +<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  *pSpec++ = blend;</div> +<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  *pTu++ = (float) (-j*dtt);</div> +<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  *pTv++ = (float) ( i*dtt);</div> +<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  }</div> +<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> </div> +<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">else</span> {</div> +<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  *pTu++ = (float) (tu0 - j*dt);</div> +<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  *pTv++ = (float) (tv0 + i*dt);</div> +<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  }</div> +<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  }</div> +<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  }</div> +<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  }</div> +<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> </div> +<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <a class="code" href="struct_material.html">Material</a>* m = <a class="code" href="class_terrain_patch.html#ae6b247bb81ef5289a83c3e523a8c8451">materials</a>.<a class="code" href="class_list.html#a8aae283be6114a4234b851d5e796634a">first</a>();</div> +<div class="line"><a name="l00449"></a><span class="lineno"> 449</span> </div> +<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="comment">// initialize the polys</span></div> +<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordflow">for</span> (i = 0; i < npolys; i++) {</div> +<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <a class="code" href="struct_poly.html">Poly</a>* p = s-><a class="code" href="class_surface.html#a825c00815c558d148be44147e04367e4">GetPolys</a>() + i;</div> +<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  p-><a class="code" href="struct_poly.html#a7c282f5bb936e91855269f710bcbcff7">nverts</a> = 3;</div> +<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  p-><a class="code" href="struct_poly.html#a17e3c99c231b235ee402eb5ea6982d1b">vertex_set</a> = vset;</div> +<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  p-><a class="code" href="struct_poly.html#ae835e02d0cedbf5229bcb958688f9313">visible</a> = 1;</div> +<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  p-><a class="code" href="struct_poly.html#ad974f3a8d591a1dc5455d40f7c106dd5">sortval</a> = 0;</div> +<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  p-><a class="code" href="struct_poly.html#adac6649f5a8a049c8da2c0b34b022bd1">material</a> = m;</div> +<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> </div> +<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keywordflow">if</span> (level >= 2 && !<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>) {</div> +<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  p-><a class="code" href="struct_poly.html#adac6649f5a8a049c8da2c0b34b022bd1">material</a> = <a class="code" href="class_terrain_patch.html#ae6b247bb81ef5289a83c3e523a8c8451">materials</a>.<a class="code" href="class_list.html#a92f41ba1f2810b54d6b47ce727ff9835">at</a>(1);</div> +<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  p-><a class="code" href="struct_poly.html#ad974f3a8d591a1dc5455d40f7c106dd5">sortval</a> = 1;</div> +<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  }</div> +<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  }</div> +<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> </div> +<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keywordflow">for</span> (i = npolys; i < total; i++) {</div> +<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <a class="code" href="struct_poly.html">Poly</a>* p = s-><a class="code" href="class_surface.html#a825c00815c558d148be44147e04367e4">GetPolys</a>() + i;</div> +<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  p-><a class="code" href="struct_poly.html#a7c282f5bb936e91855269f710bcbcff7">nverts</a> = 4;</div> +<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  p-><a class="code" href="struct_poly.html#a17e3c99c231b235ee402eb5ea6982d1b">vertex_set</a> = vset;</div> +<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  p-><a class="code" href="struct_poly.html#ae835e02d0cedbf5229bcb958688f9313">visible</a> = 1;</div> +<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  p-><a class="code" href="struct_poly.html#ad974f3a8d591a1dc5455d40f7c106dd5">sortval</a> = 0;</div> +<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  p-><a class="code" href="struct_poly.html#adac6649f5a8a049c8da2c0b34b022bd1">material</a> = m;</div> +<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  }</div> +<div class="line"><a name="l00473"></a><span class="lineno"> 473</span> </div> +<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordtype">int</span> index = 0;</div> +<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> </div> +<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="comment">// build main patch polys:</span></div> +<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">for</span> (i = 0; i < detail_size; i++) {</div> +<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="keywordflow">for</span> (j = 0; j < detail_size; j++) {</div> +<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordtype">int</span> v[4] = {</div> +<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  (ds1 * (i ) + (j )),</div> +<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  (ds1 * (i ) + (j+1)),</div> +<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  (ds1 * (i+1) + (j )),</div> +<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  (ds1 * (i+1) + (j+1)) };</div> +<div class="line"><a name="l00484"></a><span class="lineno"> 484</span> </div> +<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  bisect(vset, v);</div> +<div class="line"><a name="l00486"></a><span class="lineno"> 486</span> </div> +<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="comment">// first triangle</span></div> +<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <a class="code" href="struct_poly.html">Poly</a>* p = s-><a class="code" href="class_surface.html#a825c00815c558d148be44147e04367e4">GetPolys</a>() + index++;</div> +<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  p-><a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[0] = v[0];</div> +<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  p-><a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[1] = v[1];</div> +<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  p-><a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[2] = v[3];</div> +<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> </div> +<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">if</span> (level >= 2 && !<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>) {</div> +<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keywordtype">int</span> layer = <a class="code" href="class_terrain_patch.html#a2f0234e9239845c98f079386e8e43275">CalcLayer</a>(p) + 1;</div> +<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  p-><a class="code" href="struct_poly.html#adac6649f5a8a049c8da2c0b34b022bd1">material</a> = <a class="code" href="class_terrain_patch.html#ae6b247bb81ef5289a83c3e523a8c8451">materials</a>.<a class="code" href="class_list.html#a92f41ba1f2810b54d6b47ce727ff9835">at</a>(layer);</div> +<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  p-><a class="code" href="struct_poly.html#ad974f3a8d591a1dc5455d40f7c106dd5">sortval</a> = layer;</div> +<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  }</div> +<div class="line"><a name="l00498"></a><span class="lineno"> 498</span> </div> +<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="comment">// second triangle</span></div> +<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  p = s-><a class="code" href="class_surface.html#a825c00815c558d148be44147e04367e4">GetPolys</a>() + index++;</div> +<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  p-><a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[0] = v[0];</div> +<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  p-><a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[1] = v[3];</div> +<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  p-><a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[2] = v[2];</div> +<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> </div> +<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keywordflow">if</span> (level >= 2 && !<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>) {</div> +<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordtype">int</span> layer = <a class="code" href="class_terrain_patch.html#a2f0234e9239845c98f079386e8e43275">CalcLayer</a>(p) + 1;</div> +<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  p-><a class="code" href="struct_poly.html#adac6649f5a8a049c8da2c0b34b022bd1">material</a> = <a class="code" href="class_terrain_patch.html#ae6b247bb81ef5289a83c3e523a8c8451">materials</a>.<a class="code" href="class_list.html#a92f41ba1f2810b54d6b47ce727ff9835">at</a>(layer);</div> +<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  p-><a class="code" href="struct_poly.html#ad974f3a8d591a1dc5455d40f7c106dd5">sortval</a> = layer;</div> +<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  }</div> +<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  }</div> +<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  }</div> +<div class="line"><a name="l00512"></a><span class="lineno"> 512</span> </div> +<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="comment">// build vertical edge strip polys:</span></div> +<div class="line"><a name="l00514"></a><span class="lineno"> 514</span> </div> +<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keywordflow">if</span> (!<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>) {</div> +<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_STRIPS; i++) {</div> +<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <a class="code" href="struct_poly.html">Poly</a>* p = s-><a class="code" href="class_surface.html#a825c00815c558d148be44147e04367e4">GetPolys</a>() + npolys + i*strip_len;</div> +<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keywordtype">int</span> base_index = ds1*ds1 + ds1*2*i;</div> +<div class="line"><a name="l00519"></a><span class="lineno"> 519</span> </div> +<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="keywordflow">for</span> (j = 0; j < strip_len; j++) {</div> +<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="keywordtype">int</span> v = base_index + j * 2;</div> +<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  p-><a class="code" href="struct_poly.html#a7c282f5bb936e91855269f710bcbcff7">nverts</a> = 4;</div> +<div class="line"><a name="l00523"></a><span class="lineno"> 523</span> </div> +<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">if</span> (i == 1 || i == 2) {</div> +<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  p-><a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[0] = v;</div> +<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  p-><a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[1] = v+2;</div> +<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  p-><a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[2] = v+3;</div> +<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  p-><a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[3] = v+1;</div> +<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  }</div> +<div class="line"><a name="l00530"></a><span class="lineno"> 530</span> </div> +<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordflow">else</span> {</div> +<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  p-><a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[0] = v;</div> +<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  p-><a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[1] = v+1;</div> +<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  p-><a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[2] = v+3;</div> +<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  p-><a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[3] = v+2;</div> +<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  }</div> +<div class="line"><a name="l00537"></a><span class="lineno"> 537</span> </div> +<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keywordflow">if</span> (level >= 2) {</div> +<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="keywordtype">int</span> layer = <a class="code" href="class_terrain_patch.html#a2f0234e9239845c98f079386e8e43275">CalcLayer</a>(p) + 1;</div> +<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  p-><a class="code" href="struct_poly.html#adac6649f5a8a049c8da2c0b34b022bd1">material</a> = <a class="code" href="class_terrain_patch.html#ae6b247bb81ef5289a83c3e523a8c8451">materials</a>.<a class="code" href="class_list.html#a92f41ba1f2810b54d6b47ce727ff9835">at</a>(layer);</div> +<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  p-><a class="code" href="struct_poly.html#ad974f3a8d591a1dc5455d40f7c106dd5">sortval</a> = layer;</div> +<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  }</div> +<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> </div> +<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  p++;</div> +<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  }</div> +<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  }</div> +<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  }</div> +<div class="line"><a name="l00548"></a><span class="lineno"> 548</span> </div> +<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="comment">// update the poly planes:</span></div> +<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keywordflow">for</span> (i = 0; i < total; i++) {</div> +<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <a class="code" href="struct_poly.html">Poly</a>* p = s-><a class="code" href="class_surface.html#a825c00815c558d148be44147e04367e4">GetPolys</a>() + i;</div> +<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <a class="code" href="struct_plane.html">Plane</a>& plane = p-><a class="code" href="struct_poly.html#a5be012ca0623a37857a9ab897c6c731d">plane</a>;</div> +<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  WORD* v = p-><a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>;</div> +<div class="line"><a name="l00554"></a><span class="lineno"> 554</span> </div> +<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  plane = <a class="code" href="struct_plane.html">Plane</a>(vset-><a class="code" href="struct_vertex_set.html#ace261b0101f85d89b26e2fbfec6a8c28">loc</a>[v[0]] + <a class="code" href="class_graphic.html#a9ce2c536ee7744836ddde006907df8e7">loc</a>,</div> +<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  vset-><a class="code" href="struct_vertex_set.html#ace261b0101f85d89b26e2fbfec6a8c28">loc</a>[v[1]] + <a class="code" href="class_graphic.html#a9ce2c536ee7744836ddde006907df8e7">loc</a>,</div> +<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  vset-><a class="code" href="struct_vertex_set.html#ace261b0101f85d89b26e2fbfec6a8c28">loc</a>[v[2]] + <a class="code" href="class_graphic.html#a9ce2c536ee7744836ddde006907df8e7">loc</a>);</div> +<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  }</div> +<div class="line"><a name="l00559"></a><span class="lineno"> 559</span> </div> +<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  s-><a class="code" href="class_surface.html#a9fd3cfb54fcadd7de7447019cf341dbf">Normalize</a>();</div> +<div class="line"><a name="l00561"></a><span class="lineno"> 561</span> </div> +<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="comment">// create continguous segments for each material:</span></div> +<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="comment">// sort the polys by material index:</span></div> +<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  qsort((<span class="keywordtype">void</span>*) s-><a class="code" href="class_surface.html#a825c00815c558d148be44147e04367e4">GetPolys</a>(), s-><a class="code" href="class_surface.html#a45cd14771d5cc1937ab85a2e89e5bc08">NumPolys</a>(), <span class="keyword">sizeof</span>(<a class="code" href="struct_poly.html">Poly</a>), mcomp);</div> +<div class="line"><a name="l00565"></a><span class="lineno"> 565</span> </div> +<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="comment">// then assign them to cohesive segments:</span></div> +<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <a class="code" href="class_segment.html">Segment</a>* segment = 0;</div> +<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <a class="code" href="struct_poly.html">Poly</a>* spolys = s-><a class="code" href="class_surface.html#a825c00815c558d148be44147e04367e4">GetPolys</a>();</div> +<div class="line"><a name="l00569"></a><span class="lineno"> 569</span> </div> +<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> n = 0; n < s-><a class="code" href="class_surface.html#a45cd14771d5cc1937ab85a2e89e5bc08">NumPolys</a>(); n++) {</div> +<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <span class="keywordflow">if</span> (segment && segment-><a class="code" href="class_segment.html#a315eceab50f153e784630d1705ddf706">material</a> == spolys[n].<a class="code" href="struct_poly.html#adac6649f5a8a049c8da2c0b34b022bd1">material</a>) {</div> +<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  segment-><a class="code" href="class_segment.html#aa56fe5f47ddde76648a7aac53934eda8">npolys</a>++;</div> +<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  }</div> +<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  <span class="keywordflow">else</span> {</div> +<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  segment = 0;</div> +<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  }</div> +<div class="line"><a name="l00577"></a><span class="lineno"> 577</span> </div> +<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="keywordflow">if</span> (!segment) {</div> +<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  segment = <span class="keyword">new</span>(__FILE__,__LINE__) <a class="code" href="class_segment.html">Segment</a>;</div> +<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> </div> +<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  segment-><a class="code" href="class_segment.html#aa56fe5f47ddde76648a7aac53934eda8">npolys</a> = 1;</div> +<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  segment-><a class="code" href="class_segment.html#a5d14ea63073c220aa084bdaf961269a3">polys</a> = &spolys[n];</div> +<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  segment-><a class="code" href="class_segment.html#a315eceab50f153e784630d1705ddf706">material</a> = segment-><a class="code" href="class_segment.html#a5d14ea63073c220aa084bdaf961269a3">polys</a>-><a class="code" href="struct_poly.html#adac6649f5a8a049c8da2c0b34b022bd1">material</a>;</div> +<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  segment-><a class="code" href="class_segment.html#a02b25a9d5ce95913122597af5e136dc0">model</a> = <a class="code" href="class_solid.html#af40b436e67a38f424ea63758efc063c4">model</a>;</div> +<div class="line"><a name="l00585"></a><span class="lineno"> 585</span> </div> +<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  s-><a class="code" href="class_surface.html#a916cefb968876b6844c0059072589d13">GetSegments</a>().<a class="code" href="class_list.html#ab3180edb4da02be2a4b62320071755b8">append</a>(segment);</div> +<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  }</div> +<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  }</div> +<div class="line"><a name="l00589"></a><span class="lineno"> 589</span> </div> +<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <a class="code" href="class_solid.html#a49925b6090a9c0e19fd89f23aa3274b6">Solid::EnableCollision</a>(<span class="keyword">false</span>);</div> +<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  model-><a class="code" href="class_model.html#ad03998d29bfa2a38e302a1581e2db8dd">AddSurface</a>(s);</div> +<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  <a class="code" href="class_solid.html#a49925b6090a9c0e19fd89f23aa3274b6">Solid::EnableCollision</a>(<span class="keyword">true</span>);</div> +<div class="line"><a name="l00593"></a><span class="lineno"> 593</span> </div> +<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="comment">// copy vertex normals:</span></div> +<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  <span class="keyword">const</span> <a class="code" href="struct_vec3_b.html">Vec3B</a>* tnorms = <a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#a0428784079fbc3b8f825165241277be6">Normals</a>();</div> +<div class="line"><a name="l00596"></a><span class="lineno"> 596</span> </div> +<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="keywordflow">for</span> (i = 0; i < ds1; i++) {</div> +<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  <span class="keywordflow">for</span> (j = 0; j < ds1; j++) {</div> +<div class="line"><a name="l00599"></a><span class="lineno"> 599</span> </div> +<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>) {</div> +<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  vset-><a class="code" href="struct_vertex_set.html#a8ec6916c3e1db17ea271ccaa7a839b07">nrm</a>[i*ds1+j] = <a class="code" href="struct_point.html">Point</a>(0,1,0);</div> +<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  }</div> +<div class="line"><a name="l00603"></a><span class="lineno"> 603</span> </div> +<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  <span class="comment">// blend adjacent normals:</span></div> +<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (dscale > 1) {</div> +<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  <a class="code" href="struct_point.html">Point</a> normal;</div> +<div class="line"><a name="l00607"></a><span class="lineno"> 607</span> </div> +<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  <span class="comment">// but don't blend more than 16 normals per vertex:</span></div> +<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keywordtype">int</span> step = 1;</div> +<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  <span class="keywordflow">if</span> (dscale > 4)</div> +<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  step = dscale / 4;</div> +<div class="line"><a name="l00612"></a><span class="lineno"> 612</span> </div> +<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> dy = -dscale/2; dy < dscale/2; dy += step) {</div> +<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> dx = -dscale/2; dx < dscale/2; dx += step) {</div> +<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keywordtype">int</span> ix = <a class="code" href="class_terrain_patch.html#af7977bb9b8a9b6137284db8f2eab3c96">rect</a>.<a class="code" href="struct_rect.html#a64d1ef14e429e1816539de4c54361e55">x</a> + (ds1-1-j)*dscale + dx;</div> +<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="keywordtype">int</span> iy = <a class="code" href="class_terrain_patch.html#af7977bb9b8a9b6137284db8f2eab3c96">rect</a>.<a class="code" href="struct_rect.html#a1e37b6f8a4fb0d68ba22c8fffffab0a4">y</a> + i*dscale + dy;</div> +<div class="line"><a name="l00617"></a><span class="lineno"> 617</span> </div> +<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="keywordflow">if</span> (ix < 0) ix = 0;</div> +<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="keywordflow">if</span> (ix > <a class="code" href="class_terrain_patch.html#ae89bb2897196cea7e4c7bc2247bf11b1">terrain_width</a>-1) ix = <a class="code" href="class_terrain_patch.html#ae89bb2897196cea7e4c7bc2247bf11b1">terrain_width</a>-1;</div> +<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="keywordflow">if</span> (iy < 0) iy = 0;</div> +<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="keywordflow">if</span> (iy > <a class="code" href="class_terrain_patch.html#ae89bb2897196cea7e4c7bc2247bf11b1">terrain_width</a>-1) iy = <a class="code" href="class_terrain_patch.html#ae89bb2897196cea7e4c7bc2247bf11b1">terrain_width</a>-1;</div> +<div class="line"><a name="l00622"></a><span class="lineno"> 622</span> </div> +<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <a class="code" href="struct_vec3_b.html">Vec3B</a> vbn = tnorms[iy*<a class="code" href="class_terrain_patch.html#ae89bb2897196cea7e4c7bc2247bf11b1">terrain_width</a> + ix];</div> +<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  normal += <a class="code" href="struct_point.html">Point</a>((128-vbn.<a class="code" href="struct_vec3_b.html#adde019b4bfccd945c9d45390c438c899">x</a>)/127.0, (vbn.<a class="code" href="struct_vec3_b.html#a989153b1fa76599dd3ea313529853675">z</a>-128)/127.0, (vbn.<a class="code" href="struct_vec3_b.html#a817714c27846a743121e49392b9a1976">y</a>-128)/127.0);</div> +<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  }</div> +<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  }</div> +<div class="line"><a name="l00627"></a><span class="lineno"> 627</span> </div> +<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  normal.<a class="code" href="struct_point.html#a6efd403e2a6c0aa686e278d244d5e525">Normalize</a>();</div> +<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  vset-><a class="code" href="struct_vertex_set.html#a8ec6916c3e1db17ea271ccaa7a839b07">nrm</a>[i*ds1+j] = normal;</div> +<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  }</div> +<div class="line"><a name="l00631"></a><span class="lineno"> 631</span> </div> +<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="comment">// just copy the one normal:</span></div> +<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keywordflow">else</span> {</div> +<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <a class="code" href="struct_vec3_b.html">Vec3B</a> vbn = tnorms[(<a class="code" href="class_terrain_patch.html#af7977bb9b8a9b6137284db8f2eab3c96">rect</a>.<a class="code" href="struct_rect.html#a1e37b6f8a4fb0d68ba22c8fffffab0a4">y</a> + i*dscale)*<a class="code" href="class_terrain_patch.html#ae89bb2897196cea7e4c7bc2247bf11b1">terrain_width</a> + (<a class="code" href="class_terrain_patch.html#af7977bb9b8a9b6137284db8f2eab3c96">rect</a>.<a class="code" href="struct_rect.html#a64d1ef14e429e1816539de4c54361e55">x</a> + (ds1-1-j) * dscale)];</div> +<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <a class="code" href="struct_point.html">Point</a> normal = <a class="code" href="struct_point.html">Point</a>((128-vbn.<a class="code" href="struct_vec3_b.html#adde019b4bfccd945c9d45390c438c899">x</a>)/127.0, (vbn.<a class="code" href="struct_vec3_b.html#a989153b1fa76599dd3ea313529853675">z</a>-128)/127.0, (vbn.<a class="code" href="struct_vec3_b.html#a817714c27846a743121e49392b9a1976">y</a>-128)/127.0);</div> +<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  vset-><a class="code" href="struct_vertex_set.html#a8ec6916c3e1db17ea271ccaa7a839b07">nrm</a>[i*ds1+j] = normal;</div> +<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  }</div> +<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  }</div> +<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  }</div> +<div class="line"><a name="l00640"></a><span class="lineno"> 640</span> </div> +<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="keywordflow">if</span> (!<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>) {</div> +<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  pVert = &vset-><a class="code" href="struct_vertex_set.html#a8ec6916c3e1db17ea271ccaa7a839b07">nrm</a>[ds1*ds1];</div> +<div class="line"><a name="l00643"></a><span class="lineno"> 643</span> </div> +<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  <span class="comment">// strip 1 & 2 verts</span></div> +<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <span class="keywordflow">for</span> (i = 0; i < ds1; i += detail_size) {</div> +<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  <span class="keywordflow">for</span> (j = 0; j < ds1; j++) {</div> +<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <a class="code" href="struct_vec3.html">Vec3</a> vn = vset-><a class="code" href="struct_vertex_set.html#a8ec6916c3e1db17ea271ccaa7a839b07">nrm</a>[i*ds1 + j];</div> +<div class="line"><a name="l00648"></a><span class="lineno"> 648</span> </div> +<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  *pVert++ = vn;</div> +<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  *pVert++ = vn;</div> +<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  }</div> +<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  }</div> +<div class="line"><a name="l00653"></a><span class="lineno"> 653</span> </div> +<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="comment">// strip 3 & 4 verts</span></div> +<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keywordflow">for</span> (j = 0; j < ds1; j += detail_size) {</div> +<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <span class="keywordflow">for</span> (i = 0; i < ds1; i++) {</div> +<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <a class="code" href="struct_vec3.html">Vec3</a> vn = vset-><a class="code" href="struct_vertex_set.html#a8ec6916c3e1db17ea271ccaa7a839b07">nrm</a>[i*ds1 + j];</div> +<div class="line"><a name="l00658"></a><span class="lineno"> 658</span> </div> +<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  *pVert++ = vn;</div> +<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  *pVert++ = vn;</div> +<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  }</div> +<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  }</div> +<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  }</div> +<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  }</div> +<div class="line"><a name="l00665"></a><span class="lineno"> 665</span> </div> +<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <span class="keywordflow">if</span> (level > <a class="code" href="class_terrain_patch.html#ad4b7de3fbba0e7fa97eb0214ea88b16c">max_detail</a>)</div> +<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <a class="code" href="class_terrain_patch.html#ad4b7de3fbba0e7fa97eb0214ea88b16c">max_detail</a> = level;</div> +<div class="line"><a name="l00668"></a><span class="lineno"> 668</span> </div> +<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> +<div class="line"><a name="l00670"></a><span class="lineno"> 670</span> }</div> +<div class="line"><a name="l00671"></a><span class="lineno"> 671</span> </div> +<div class="line"><a name="l00672"></a><span class="lineno"> 672</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00673"></a><span class="lineno"> 673</span> </div> +<div class="line"><a name="l00674"></a><span class="lineno"> 674</span> DWORD</div> +<div class="line"><a name="l00675"></a><span class="lineno"><a class="code" href="class_terrain_patch.html#ad5794e8cb2f19eeaffda0a28476d1629"> 675</a></span> <a class="code" href="class_terrain_patch.html#ad5794e8cb2f19eeaffda0a28476d1629">TerrainPatch::BlendValue</a>(<span class="keywordtype">double</span> y)</div> +<div class="line"><a name="l00676"></a><span class="lineno"> 676</span> {</div> +<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a> && y >= 0 && !<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>) {</div> +<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <span class="comment">// find the proper layer:</span></div> +<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#a0fff6f973850a359df8bf3fd9ab7f293">GetLayers</a>().<a class="code" href="class_list.html#a802e2aa9aaef248591140fa032d20d61">size</a>(); i++) {</div> +<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <a class="code" href="class_terrain_layer.html">TerrainLayer</a>* layer = <a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#a0fff6f973850a359df8bf3fd9ab7f293">GetLayers</a>().<a class="code" href="class_list.html#a92f41ba1f2810b54d6b47ce727ff9835">at</a>(i);</div> +<div class="line"><a name="l00681"></a><span class="lineno"> 681</span> </div> +<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <span class="keywordflow">if</span> (y >= layer-><a class="code" href="class_terrain_layer.html#a11021f6d302049fcf9dd89761a158479">GetMinHeight</a>() && y < layer-><a class="code" href="class_terrain_layer.html#a20c5b4d93fb17f85ca902a840602df12">GetMaxHeight</a>()) {</div> +<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <span class="keywordtype">double</span> <a class="code" href="class_terrain_patch.html#aa31906778e8dec08157370c86cbac279">scale</a> = (y-layer-><a class="code" href="class_terrain_layer.html#a11021f6d302049fcf9dd89761a158479">GetMinHeight</a>()) / (layer-><a class="code" href="class_terrain_layer.html#a20c5b4d93fb17f85ca902a840602df12">GetMaxHeight</a>()-layer-><a class="code" href="class_terrain_layer.html#a11021f6d302049fcf9dd89761a158479">GetMinHeight</a>());</div> +<div class="line"><a name="l00684"></a><span class="lineno"> 684</span> </div> +<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="keywordflow">if</span> (scale < 0.2)</div> +<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  scale = 0;</div> +<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (scale > 0.8)</div> +<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  scale = 1;</div> +<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  <span class="keywordflow">else</span></div> +<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  scale = (scale - 0.2) / 0.6;</div> +<div class="line"><a name="l00691"></a><span class="lineno"> 691</span> </div> +<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <span class="keywordflow">if</span> ((i & 1) == 0) {</div> +<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  scale = 1 - <a class="code" href="class_terrain_patch.html#aa31906778e8dec08157370c86cbac279">scale</a>;</div> +<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  }</div> +<div class="line"><a name="l00695"></a><span class="lineno"> 695</span> </div> +<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  DWORD val = (DWORD) (scale*255);</div> +<div class="line"><a name="l00697"></a><span class="lineno"> 697</span> </div> +<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="keywordflow">return</span> val << 24;</div> +<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  }</div> +<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  }</div> +<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  }</div> +<div class="line"><a name="l00702"></a><span class="lineno"> 702</span> </div> +<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="keywordflow">return</span> 0;</div> +<div class="line"><a name="l00704"></a><span class="lineno"> 704</span> }</div> +<div class="line"><a name="l00705"></a><span class="lineno"> 705</span> </div> +<div class="line"><a name="l00706"></a><span class="lineno"> 706</span> <span class="keywordtype">int</span></div> +<div class="line"><a name="l00707"></a><span class="lineno"><a class="code" href="class_terrain_patch.html#a2f0234e9239845c98f079386e8e43275"> 707</a></span> <a class="code" href="class_terrain_patch.html#a2f0234e9239845c98f079386e8e43275">TerrainPatch::CalcLayer</a>(<a class="code" href="struct_poly.html">Poly</a>* poly)</div> +<div class="line"><a name="l00708"></a><span class="lineno"> 708</span> {</div> +<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a> && poly) {</div> +<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>)</div> +<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  <span class="keywordflow">return</span> 0;</div> +<div class="line"><a name="l00712"></a><span class="lineno"> 712</span> </div> +<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <span class="keywordtype">double</span> y = 1e6;</div> +<div class="line"><a name="l00714"></a><span class="lineno"> 714</span> </div> +<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < poly-><a class="code" href="struct_poly.html#a7c282f5bb936e91855269f710bcbcff7">nverts</a>; i++) {</div> +<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="keywordtype">double</span> h = poly-><a class="code" href="struct_poly.html#a17e3c99c231b235ee402eb5ea6982d1b">vertex_set</a>-><a class="code" href="struct_vertex_set.html#ace261b0101f85d89b26e2fbfec6a8c28">loc</a>[ poly-><a class="code" href="struct_poly.html#a1b2335f28a4e7bb98956928ee0f0e00e">verts</a>[i] ].<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a>;</div> +<div class="line"><a name="l00717"></a><span class="lineno"> 717</span> </div> +<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="keywordflow">if</span> (h >= 0 && h < y) {</div> +<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  y = h;</div> +<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  }</div> +<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  }</div> +<div class="line"><a name="l00722"></a><span class="lineno"> 722</span> </div> +<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <span class="keywordflow">if</span> (y <= terrain-><a class="code" href="class_terrain_region.html#ad4750ed8d3c799ff42d667fd1b2c622b">GetLayers</a>().first()->GetMinHeight())</div> +<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  <span class="keywordflow">return</span> 0;</div> +<div class="line"><a name="l00725"></a><span class="lineno"> 725</span> </div> +<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < <a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#a0fff6f973850a359df8bf3fd9ab7f293">GetLayers</a>().<a class="code" href="class_list.html#a802e2aa9aaef248591140fa032d20d61">size</a>(); i++) {</div> +<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <a class="code" href="class_terrain_layer.html">TerrainLayer</a>* layer = <a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#a0fff6f973850a359df8bf3fd9ab7f293">GetLayers</a>().<a class="code" href="class_list.html#a92f41ba1f2810b54d6b47ce727ff9835">at</a>(i);</div> +<div class="line"><a name="l00728"></a><span class="lineno"> 728</span> </div> +<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="keywordflow">if</span> (y >= layer-><a class="code" href="class_terrain_layer.html#a11021f6d302049fcf9dd89761a158479">GetMinHeight</a>() && y < layer-><a class="code" href="class_terrain_layer.html#a20c5b4d93fb17f85ca902a840602df12">GetMaxHeight</a>()) {</div> +<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  <span class="keywordflow">return</span> i;</div> +<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  }</div> +<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  }</div> +<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  }</div> +<div class="line"><a name="l00734"></a><span class="lineno"> 734</span> </div> +<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="keywordflow">return</span> -1;</div> +<div class="line"><a name="l00736"></a><span class="lineno"> 736</span> }</div> +<div class="line"><a name="l00737"></a><span class="lineno"> 737</span> </div> +<div class="line"><a name="l00738"></a><span class="lineno"> 738</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00739"></a><span class="lineno"> 739</span> </div> +<div class="line"><a name="l00740"></a><span class="lineno"> 740</span> <span class="keywordtype">void</span></div> +<div class="line"><a name="l00741"></a><span class="lineno"><a class="code" href="class_terrain_patch.html#a3840075d8762f715f95ff69afe737ae7"> 741</a></span> <a class="code" href="class_terrain_patch.html#a3840075d8762f715f95ff69afe737ae7">TerrainPatch::UpdateSurfaceWaves</a>(<a class="code" href="struct_vec3.html">Vec3</a>& eyePos)</div> +<div class="line"><a name="l00742"></a><span class="lineno"> 742</span> {</div> +<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a> && <a class="code" href="class_solid.html#af40b436e67a38f424ea63758efc063c4">model</a> && <a class="code" href="class_solid.html#af40b436e67a38f424ea63758efc063c4">model</a>-><a class="code" href="class_model.html#a2eca281d394bec3ac1556b2a5f8fabaa">NumVerts</a>() > 1) {</div> +<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  <a class="code" href="class_surface.html">Surface</a>* s = <a class="code" href="class_solid.html#af40b436e67a38f424ea63758efc063c4">model</a>-><a class="code" href="class_model.html#ace987f384a7f542279ba7efecfbd37e3">GetSurfaces</a>().<a class="code" href="class_list.html#a8aae283be6114a4234b851d5e796634a">first</a>();</div> +<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="keywordflow">if</span> (s) {</div> +<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <a class="code" href="struct_vertex_set.html">VertexSet</a>* vset = s-><a class="code" href="class_surface.html#af2fac48e415e8fb46b4b5186b94c0a1b">GetVertexSet</a>();</div> +<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < vset-><a class="code" href="struct_vertex_set.html#a4942a5af779580847cfe7036b4ba5c3f">nverts</a>; i++)</div> +<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  vset-><a class="code" href="struct_vertex_set.html#ace261b0101f85d89b26e2fbfec6a8c28">loc</a>[i].<a class="code" href="struct_vec3.html#abc1d241232cb04aa98217a942402ae68">y</a> = 0.0f;</div> +<div class="line"><a name="l00749"></a><span class="lineno"> 749</span> </div> +<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  <a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>-><a class="code" href="class_water.html#a672dd845027506dca4be724cc910945b">UpdateSurface</a>(eyePos, vset);</div> +<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  }</div> +<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  }</div> +<div class="line"><a name="l00753"></a><span class="lineno"> 753</span> }</div> +<div class="line"><a name="l00754"></a><span class="lineno"> 754</span> </div> +<div class="line"><a name="l00755"></a><span class="lineno"> 755</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00756"></a><span class="lineno"> 756</span> </div> +<div class="line"><a name="l00757"></a><span class="lineno"> 757</span> <span class="keywordtype">int</span></div> +<div class="line"><a name="l00758"></a><span class="lineno"><a class="code" href="class_terrain_patch.html#a640829e66fc7719967304ea50eb59898"> 758</a></span> <a class="code" href="class_terrain_patch.html#a640829e66fc7719967304ea50eb59898">TerrainPatch::CollidesWith</a>(<a class="code" href="class_graphic.html">Graphic</a>& o)</div> +<div class="line"><a name="l00759"></a><span class="lineno"> 759</span> {</div> +<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <span class="keywordflow">return</span> 0;</div> +<div class="line"><a name="l00761"></a><span class="lineno"> 761</span> }</div> +<div class="line"><a name="l00762"></a><span class="lineno"> 762</span> </div> +<div class="line"><a name="l00763"></a><span class="lineno"> 763</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00764"></a><span class="lineno"> 764</span> </div> +<div class="line"><a name="l00765"></a><span class="lineno"> 765</span> <span class="keywordtype">void</span></div> +<div class="line"><a name="l00766"></a><span class="lineno"><a class="code" href="class_terrain_patch.html#a54aef4500594c889b8c686e022e61eff"> 766</a></span> <a class="code" href="class_terrain_patch.html#a54aef4500594c889b8c686e022e61eff">TerrainPatch::SelectDetail</a>(<a class="code" href="class_projector.html">Projector</a>* projector)</div> +<div class="line"><a name="l00767"></a><span class="lineno"> 767</span> {</div> +<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  <span class="comment">// This is where all the work is done,</span></div> +<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  <span class="comment">// Delegate to the overall terrain to</span></div> +<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  <span class="comment">// compute a detail level for every patch:</span></div> +<div class="line"><a name="l00771"></a><span class="lineno"> 771</span> </div> +<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>) {</div> +<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  <a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#a2f4c513bede0a53b27bce1c31a1986f6">SelectDetail</a>(projector);</div> +<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  }</div> +<div class="line"><a name="l00775"></a><span class="lineno"> 775</span> </div> +<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  <span class="comment">// Build detail levels on demand:</span></div> +<div class="line"><a name="l00777"></a><span class="lineno"> 777</span> </div> +<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#a3051037ed39305c114af8589a33fa4ff">detail_levels</a>[<a class="code" href="class_terrain_patch.html#a0840cda0e4d9159fbf90a53b014a3420">ndetail</a>] == 0)</div> +<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  <a class="code" href="class_terrain_patch.html#aaf3c1b0ef327e924c300aa44de59e397">BuildDetailLevel</a>(<a class="code" href="class_terrain_patch.html#a0840cda0e4d9159fbf90a53b014a3420">ndetail</a>);</div> +<div class="line"><a name="l00780"></a><span class="lineno"> 780</span> }</div> +<div class="line"><a name="l00781"></a><span class="lineno"> 781</span> </div> +<div class="line"><a name="l00782"></a><span class="lineno"> 782</span> <span class="keywordtype">void</span></div> +<div class="line"><a name="l00783"></a><span class="lineno"><a class="code" href="class_terrain_patch.html#a756f6122c9aa13b6b45d0bb2457dd868"> 783</a></span> <a class="code" href="class_terrain_patch.html#a756f6122c9aa13b6b45d0bb2457dd868">TerrainPatch::SetDetailLevel</a>(<span class="keywordtype">int</span> nd)</div> +<div class="line"><a name="l00784"></a><span class="lineno"> 784</span> {</div> +<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  <span class="keywordflow">if</span> (nd >= 0 && nd <= <a class="code" href="class_terrain_patch.html#ad4b7de3fbba0e7fa97eb0214ea88b16c">max_detail</a>) {</div> +<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#a0840cda0e4d9159fbf90a53b014a3420">ndetail</a> != nd)</div> +<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  <a class="code" href="class_solid.html#ab7fc329a579a0a729095fa683e0bbb88">DeletePrivateData</a>();</div> +<div class="line"><a name="l00788"></a><span class="lineno"> 788</span> </div> +<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  <a class="code" href="class_terrain_patch.html#a0840cda0e4d9159fbf90a53b014a3420">ndetail</a> = nd;</div> +<div class="line"><a name="l00790"></a><span class="lineno"> 790</span> </div> +<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  <span class="comment">// build detail levels on demand:</span></div> +<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#a3051037ed39305c114af8589a33fa4ff">detail_levels</a>[<a class="code" href="class_terrain_patch.html#a0840cda0e4d9159fbf90a53b014a3420">ndetail</a>] == 0)</div> +<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <a class="code" href="class_terrain_patch.html#aaf3c1b0ef327e924c300aa44de59e397">BuildDetailLevel</a>(<a class="code" href="class_terrain_patch.html#a0840cda0e4d9159fbf90a53b014a3420">ndetail</a>);</div> +<div class="line"><a name="l00794"></a><span class="lineno"> 794</span> </div> +<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  <a class="code" href="class_solid.html#af40b436e67a38f424ea63758efc063c4">model</a> = <a class="code" href="class_terrain_patch.html#a3051037ed39305c114af8589a33fa4ff">detail_levels</a>[<a class="code" href="class_terrain_patch.html#a0840cda0e4d9159fbf90a53b014a3420">ndetail</a>];</div> +<div class="line"><a name="l00796"></a><span class="lineno"> 796</span> </div> +<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>)</div> +<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a> = <a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#af0f4e75c28222a0af4b30a987f81e90c">GetWater</a>(<a class="code" href="class_terrain_patch.html#a0840cda0e4d9159fbf90a53b014a3420">ndetail</a>);</div> +<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  }</div> +<div class="line"><a name="l00800"></a><span class="lineno"> 800</span> }</div> +<div class="line"><a name="l00801"></a><span class="lineno"> 801</span> </div> +<div class="line"><a name="l00802"></a><span class="lineno"> 802</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00803"></a><span class="lineno"> 803</span> </div> +<div class="line"><a name="l00804"></a><span class="lineno"> 804</span> <span class="keywordtype">void</span></div> +<div class="line"><a name="l00805"></a><span class="lineno"><a class="code" href="class_terrain_patch.html#a54dea9655327a11d3c29b918aa8b8ef7"> 805</a></span> <a class="code" href="class_terrain_patch.html#a54dea9655327a11d3c29b918aa8b8ef7">TerrainPatch::Illuminate</a>(<a class="code" href="class_color.html">Color</a> <a class="code" href="class_terrain_region.html#a8e269451178cd5858275a5b04f6a9030">ambient</a>, <a class="code" href="class_list.html">List<Light></a>& lights)</div> +<div class="line"><a name="l00806"></a><span class="lineno"> 806</span> {</div> +<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  <span class="keywordflow">if</span> (!<a class="code" href="class_solid.html#af40b436e67a38f424ea63758efc063c4">model</a> || <a class="code" href="class_solid.html#af40b436e67a38f424ea63758efc063c4">model</a>-><a class="code" href="class_model.html#a2eca281d394bec3ac1556b2a5f8fabaa">NumVerts</a>() < 1) <span class="keywordflow">return</span>;</div> +<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  <a class="code" href="class_surface.html">Surface</a>* s = <a class="code" href="class_solid.html#af40b436e67a38f424ea63758efc063c4">model</a>-><a class="code" href="class_model.html#ace987f384a7f542279ba7efecfbd37e3">GetSurfaces</a>().<a class="code" href="class_list.html#a8aae283be6114a4234b851d5e796634a">first</a>();</div> +<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  <span class="keywordflow">if</span> (!s) <span class="keywordflow">return</span>;</div> +<div class="line"><a name="l00810"></a><span class="lineno"> 810</span> </div> +<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  illuminating = <span class="keyword">true</span>;</div> +<div class="line"><a name="l00812"></a><span class="lineno"> 812</span> </div> +<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  <span class="comment">// clear the solid lights to ambient:</span></div> +<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  <a class="code" href="struct_vertex_set.html">VertexSet</a>* vset = s-><a class="code" href="class_surface.html#af2fac48e415e8fb46b4b5186b94c0a1b">GetVertexSet</a>();</div> +<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="keywordtype">int</span> nverts = vset-><a class="code" href="struct_vertex_set.html#a4942a5af779580847cfe7036b4ba5c3f">nverts</a>;</div> +<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  DWORD aval = ambient.<a class="code" href="class_color.html#a601f1ea0ac8b6f3d420021e6086b8a6a">Value</a>();</div> +<div class="line"><a name="l00817"></a><span class="lineno"> 817</span> </div> +<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < nverts; i++) {</div> +<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  vset-><a class="code" href="struct_vertex_set.html#aba2d775c75be70d0d821281d2f02d788">diffuse</a>[i] = aval;</div> +<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  }</div> +<div class="line"><a name="l00821"></a><span class="lineno"> 821</span> </div> +<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  <a class="code" href="class_terrain_region.html">TerrainRegion</a>* trgn = <a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#a455ff0ec4ab654d264dfe199f88ae36b">GetRegion</a>();</div> +<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  <span class="keywordtype">bool</span> <a class="code" href="class_terrain_region.html#ae39039897cd132b8f3d27fea8fd6dd04">eclipsed</a> = <span class="keyword">false</span>;</div> +<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  <span class="keywordtype">bool</span> first = <a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#a40d040fa6552b0b66986d44d11357c9a">IsFirstPatch</a>(<span class="keyword">this</span>);</div> +<div class="line"><a name="l00825"></a><span class="lineno"> 825</span> </div> +<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  <span class="keywordflow">if</span> (trgn && !first) {</div> +<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  eclipsed = trgn-><a class="code" href="class_terrain_region.html#a5ac6765fd43d99ef452e9965c7fd6957">IsEclipsed</a>();</div> +<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  }</div> +<div class="line"><a name="l00829"></a><span class="lineno"> 829</span> </div> +<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  <span class="comment">// for sun and back lights:</span></div> +<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  <a class="code" href="class_list_iter.html">ListIter<Light></a> iter = lights;</div> +<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  <span class="keywordflow">while</span> (++iter) {</div> +<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  <a class="code" href="class_light.html">Light</a>* light = iter.<a class="code" href="class_list_iter.html#a70cb1260924c01a38c4a68552120a5e0">value</a>();</div> +<div class="line"><a name="l00834"></a><span class="lineno"> 834</span> </div> +<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  <span class="keywordflow">if</span> (!light-><a class="code" href="class_light.html#a2dd355438969673dc055c765340d3ebc">IsDirectional</a>()) <span class="comment">// only do sun and</span></div> +<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <span class="keywordflow">continue</span>; <span class="comment">// back lights</span></div> +<div class="line"><a name="l00837"></a><span class="lineno"> 837</span> </div> +<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  <span class="keywordflow">if</span> (light-><a class="code" href="class_light.html#a00c488439151ac75ae67b27fae08d284">CastsShadow</a>() && first) {</div> +<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  eclipsed = light-><a class="code" href="class_light.html#af1bdc26f6d1d7f0b0da9c58a3f6866fe">Location</a>().<a class="code" href="struct_point.html#afa38be143ae800e6ad69ce8ed4df62d8">y</a> < -100 || <span class="comment">// has sun set, or</span></div> +<div class="line"><a name="l00840"></a><span class="lineno"> 840</span> </div> +<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <a class="code" href="class_graphic.html#ab3a0ecdf867c61704fdca3d2414ace21">scene</a>-><a class="code" href="class_scene.html#ae0e73b0cb00d77f9bfd8e3b90ba736a8">IsLightObscured</a>(vset-><a class="code" href="struct_vertex_set.html#ace261b0101f85d89b26e2fbfec6a8c28">loc</a>[0], <span class="comment">// is sun in eclipse</span></div> +<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  light-><a class="code" href="class_light.html#af1bdc26f6d1d7f0b0da9c58a3f6866fe">Location</a>(), <span class="comment">// by orbital body</span></div> +<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  <a class="code" href="class_graphic.html#a375d4c28b1feb40e12fb5a7cbba6a59c">radius</a>); <span class="comment">// such as a moon?</span></div> +<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  }</div> +<div class="line"><a name="l00845"></a><span class="lineno"> 845</span> </div> +<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  <span class="keywordflow">if</span> (!light-><a class="code" href="class_light.html#a00c488439151ac75ae67b27fae08d284">CastsShadow</a>() || !<a class="code" href="class_terrain_region.html#ae39039897cd132b8f3d27fea8fd6dd04">eclipsed</a>) {</div> +<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  <a class="code" href="struct_vec3.html">Vec3</a> vl = light-><a class="code" href="class_light.html#af1bdc26f6d1d7f0b0da9c58a3f6866fe">Location</a>();</div> +<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  vl.<a class="code" href="struct_vec3.html#a269d13893a87a616b6709e5fc3d34d4f">Normalize</a>();</div> +<div class="line"><a name="l00849"></a><span class="lineno"> 849</span> </div> +<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < nverts; i++) {</div> +<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  <a class="code" href="struct_vec3.html">Vec3</a>& nrm = vset-><a class="code" href="struct_vertex_set.html#a8ec6916c3e1db17ea271ccaa7a839b07">nrm</a>[i];</div> +<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <span class="keywordtype">double</span> val = 0;</div> +<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  <span class="keywordtype">double</span> gain = vl * nrm;</div> +<div class="line"><a name="l00854"></a><span class="lineno"> 854</span> </div> +<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  <span class="keywordflow">if</span> (gain > 0) {</div> +<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  val = light-><a class="code" href="class_light.html#a4e34f091f98e512e065e120206de0d8b">Intensity</a>() * (0.85 * gain);</div> +<div class="line"><a name="l00857"></a><span class="lineno"> 857</span> </div> +<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  <span class="keywordflow">if</span> (val > 1)</div> +<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  val = 1;</div> +<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  }</div> +<div class="line"><a name="l00861"></a><span class="lineno"> 861</span> </div> +<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  <span class="keywordflow">if</span> (val > 0.01)</div> +<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  vset-><a class="code" href="struct_vertex_set.html#aba2d775c75be70d0d821281d2f02d788">diffuse</a>[i] = ((light-><a class="code" href="class_light.html#a5868e2a9de93df1ee1338920990acc9f">GetColor</a>().<a class="code" href="class_color.html#a33e1288ed19c3a5bd1854fafe37dc541">dim</a>(val)) + vset-><a class="code" href="struct_vertex_set.html#aba2d775c75be70d0d821281d2f02d788">diffuse</a>[i]).Value();</div> +<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  }</div> +<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  }</div> +<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  }</div> +<div class="line"><a name="l00867"></a><span class="lineno"> 867</span> </div> +<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  <span class="comment">// combine blend weights:</span></div> +<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#a0840cda0e4d9159fbf90a53b014a3420">ndetail</a> >= 2) {</div> +<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < nverts; i++) {</div> +<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  vset-><a class="code" href="struct_vertex_set.html#aba2d775c75be70d0d821281d2f02d788">diffuse</a>[i] = vset-><a class="code" href="struct_vertex_set.html#a2bf3f3497ac0ec9369021a36bd6f50a8">specular</a>[i] | (vset-><a class="code" href="struct_vertex_set.html#aba2d775c75be70d0d821281d2f02d788">diffuse</a>[i] & 0x00ffffff);</div> +<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  }</div> +<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  }</div> +<div class="line"><a name="l00874"></a><span class="lineno"> 874</span> </div> +<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  <span class="keywordflow">if</span> (trgn && first) {</div> +<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  trgn-><a class="code" href="class_terrain_region.html#ad75a12d41105be365e5919747312fc4a">SetEclipsed</a>(eclipsed);</div> +<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  }</div> +<div class="line"><a name="l00878"></a><span class="lineno"> 878</span> </div> +<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  <a class="code" href="class_solid.html#a357eb8304578288cbec5118ce3708114">InvalidateSurfaceData</a>();</div> +<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  illuminating = <span class="keyword">false</span>;</div> +<div class="line"><a name="l00881"></a><span class="lineno"> 881</span> }</div> +<div class="line"><a name="l00882"></a><span class="lineno"> 882</span> </div> +<div class="line"><a name="l00883"></a><span class="lineno"> 883</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00884"></a><span class="lineno"> 884</span> </div> +<div class="line"><a name="l00885"></a><span class="lineno"> 885</span> <span class="keywordtype">void</span></div> +<div class="line"><a name="l00886"></a><span class="lineno"><a class="code" href="class_terrain_patch.html#a9209d92f3244548b714d3b67cbc3d90a"> 886</a></span> <a class="code" href="class_terrain_patch.html#a9209d92f3244548b714d3b67cbc3d90a">TerrainPatch::Render</a>(<a class="code" href="class_video.html">Video</a>* video, DWORD flags)</div> +<div class="line"><a name="l00887"></a><span class="lineno"> 887</span> {</div> +<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#a392520e7b02ccc4d949defc471aa1247">max_height</a> < 0)</div> +<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  <span class="keywordflow">return</span>;</div> +<div class="line"><a name="l00890"></a><span class="lineno"> 890</span> </div> +<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  <span class="keywordflow">if</span> (flags & <a class="code" href="class_graphic.html#a9916b73164fa91ae51d5d1964a19923ba29558b48b11569eddf097dde625072af">RENDER_ADDITIVE</a>)</div> +<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  <span class="keywordflow">return</span>;</div> +<div class="line"><a name="l00893"></a><span class="lineno"> 893</span> </div> +<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  <span class="keywordflow">if</span> (!<a class="code" href="class_solid.html#af40b436e67a38f424ea63758efc063c4">model</a>)</div> +<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  <a class="code" href="class_solid.html#af40b436e67a38f424ea63758efc063c4">model</a> = <a class="code" href="class_terrain_patch.html#a3051037ed39305c114af8589a33fa4ff">detail_levels</a>[0];</div> +<div class="line"><a name="l00896"></a><span class="lineno"> 896</span> </div> +<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  <span class="keywordflow">if</span> (<a class="code" href="class_graphic.html#ab3a0ecdf867c61704fdca3d2414ace21">scene</a>) {</div> +<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  <span class="comment">/***</span></div> +<div class="line"><a name="l00899"></a><span class="lineno"> 899</span> <span class="comment"> *** TWO PASS LIGHTING FOR TERRAIN SHADOWS DOESN'T</span></div> +<div class="line"><a name="l00900"></a><span class="lineno"> 900</span> <span class="comment"> *** WORK - IT MESSES UP THE HARDWARE FOG CALCS</span></div> +<div class="line"><a name="l00901"></a><span class="lineno"> 901</span> <span class="comment"> ***</span></div> +<div class="line"><a name="l00902"></a><span class="lineno"> 902</span> <span class="comment"> *** PLUS, IT'S INCREDIBLY SLOW!!!</span></div> +<div class="line"><a name="l00903"></a><span class="lineno"> 903</span> <span class="comment"> ***/</span></div> +<div class="line"><a name="l00904"></a><span class="lineno"> 904</span> </div> +<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  <span class="keywordflow">if</span> ((flags & <a class="code" href="class_graphic.html#a9916b73164fa91ae51d5d1964a19923baf8ce820255bbf2c5498560e237e7f95a">RENDER_ADD_LIGHT</a>) != 0)</div> +<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  <span class="keywordflow">return</span>;</div> +<div class="line"><a name="l00907"></a><span class="lineno"> 907</span> </div> +<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>) {</div> +<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  <a class="code" href="class_terrain_patch.html#a3840075d8762f715f95ff69afe737ae7">UpdateSurfaceWaves</a>(<a class="code" href="struct_vec3.html">Vec3</a>(0,0,0));</div> +<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  <a class="code" href="class_terrain_patch.html#a54dea9655327a11d3c29b918aa8b8ef7">Illuminate</a>(<a class="code" href="class_graphic.html#ab3a0ecdf867c61704fdca3d2414ace21">scene</a>-><a class="code" href="class_scene.html#ae07a7c30fa3db8add389570ffd76703a">Ambient</a>(), <a class="code" href="class_graphic.html#ab3a0ecdf867c61704fdca3d2414ace21">scene</a>-><a class="code" href="class_scene.html#a3ad8b17aed8bc3d675e0452e7a626152">Lights</a>());</div> +<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  }</div> +<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  <span class="keywordflow">else</span> {</div> +<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  <a class="code" href="class_terrain_patch.html#a54dea9655327a11d3c29b918aa8b8ef7">Illuminate</a>(<a class="code" href="class_graphic.html#ab3a0ecdf867c61704fdca3d2414ace21">scene</a>-><a class="code" href="class_scene.html#ae07a7c30fa3db8add389570ffd76703a">Ambient</a>(), <a class="code" href="class_graphic.html#ab3a0ecdf867c61704fdca3d2414ace21">scene</a>-><a class="code" href="class_scene.html#a3ad8b17aed8bc3d675e0452e7a626152">Lights</a>());</div> +<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  }</div> +<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  }</div> +<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  <span class="keywordflow">else</span> {</div> +<div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  <span class="keywordflow">if</span> ((flags & <a class="code" href="class_graphic.html#a9916b73164fa91ae51d5d1964a19923baf8ce820255bbf2c5498560e237e7f95a">RENDER_ADD_LIGHT</a>) != 0)</div> +<div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  <span class="keywordflow">return</span>;</div> +<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  }</div> +<div class="line"><a name="l00920"></a><span class="lineno"> 920</span> </div> +<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  <a class="code" href="class_bitmap.html">Bitmap</a>* details[16];</div> +<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  ZeroMemory(details, <span class="keyword">sizeof</span>(details));</div> +<div class="line"><a name="l00923"></a><span class="lineno"> 923</span> </div> +<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#a0840cda0e4d9159fbf90a53b014a3420">ndetail</a> < 3) {</div> +<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < 16 && i < <a class="code" href="class_terrain_patch.html#ae6b247bb81ef5289a83c3e523a8c8451">materials</a>.<a class="code" href="class_list.html#a802e2aa9aaef248591140fa032d20d61">size</a>(); i++) {</div> +<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  <a class="code" href="struct_material.html">Material</a>* mtl = <a class="code" href="class_terrain_patch.html#ae6b247bb81ef5289a83c3e523a8c8451">materials</a>[i];</div> +<div class="line"><a name="l00927"></a><span class="lineno"> 927</span> </div> +<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  <span class="keywordflow">if</span> (mtl-><a class="code" href="struct_material.html#a84da46b60cffcfa54aec42729a632538">tex_detail</a>) {</div> +<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  details[i] = mtl-><a class="code" href="struct_material.html#a84da46b60cffcfa54aec42729a632538">tex_detail</a>;</div> +<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  mtl-><a class="code" href="struct_material.html#a84da46b60cffcfa54aec42729a632538">tex_detail</a> = 0;</div> +<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  }</div> +<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  }</div> +<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  }</div> +<div class="line"><a name="l00934"></a><span class="lineno"> 934</span> </div> +<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  <span class="keywordtype">double</span> visibility = <a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#a455ff0ec4ab654d264dfe199f88ae36b">GetRegion</a>()-><a class="code" href="class_terrain_region.html#a55a8c2741d1e2f7fd6ad3551b78f4e25">GetWeather</a>().<a class="code" href="class_weather.html#a9c5719167d3e530924c14c1bb42193af">Visibility</a>();</div> +<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  FLOAT <a class="code" href="class_terrain_region.html#a99b65df2d049ee3a2bbee98ad6e835e5">fog_density</a> = (FLOAT) (<a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#a455ff0ec4ab654d264dfe199f88ae36b">GetRegion</a>()-><a class="code" href="class_terrain_region.html#aaedebb8826beb26c7d1ff40fc884d4ee">FogDensity</a>() * 2.5e-5 * 1/visibility);</div> +<div class="line"><a name="l00937"></a><span class="lineno"> 937</span> </div> +<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  video-><a class="code" href="class_video.html#ad6d15be603f17d68b69c9be8c5a91cbc">SetRenderState</a>(<a class="code" href="class_video.html#a6714be092b4fd2a23735f8e5325f52b9a46b369ce2c6d214557aa84a385b35a20">Video::LIGHTING_ENABLE</a>, <span class="keyword">false</span>);</div> +<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  video-><a class="code" href="class_video.html#ad6d15be603f17d68b69c9be8c5a91cbc">SetRenderState</a>(<a class="code" href="class_video.html#a6714be092b4fd2a23735f8e5325f52b9acb00af309eb074384b035f4949b67701">Video::SPECULAR_ENABLE</a>, <span class="keyword">false</span>); <span class="comment">//water != 0);</span></div> +<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  video-><a class="code" href="class_video.html#ad6d15be603f17d68b69c9be8c5a91cbc">SetRenderState</a>(<a class="code" href="class_video.html#a6714be092b4fd2a23735f8e5325f52b9adff6f9efb1d3c44099bdd6c379c785a1">Video::FOG_ENABLE</a>, <span class="keyword">true</span>);</div> +<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  video-><a class="code" href="class_video.html#ad6d15be603f17d68b69c9be8c5a91cbc">SetRenderState</a>(<a class="code" href="class_video.html#a6714be092b4fd2a23735f8e5325f52b9ad4bf22671a842645b5cd6d2fa24cb8c6">Video::FOG_COLOR</a>, <a class="code" href="class_terrain_patch.html#a1e98334d55b3fa7c8986df6097891ea9">terrain</a>-><a class="code" href="class_terrain.html#a455ff0ec4ab654d264dfe199f88ae36b">GetRegion</a>()-><a class="code" href="class_terrain_region.html#a3d5b73132615deb41bd204a099cce3e0">FogColor</a>().<a class="code" href="class_color.html#a601f1ea0ac8b6f3d420021e6086b8a6a">Value</a>());</div> +<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  video-><a class="code" href="class_video.html#ad6d15be603f17d68b69c9be8c5a91cbc">SetRenderState</a>(<a class="code" href="class_video.html#a6714be092b4fd2a23735f8e5325f52b9a06b98ef0e0a0ea6f75c07c312cd27507">Video::FOG_DENSITY</a>, *((DWORD*) &fog_density));</div> +<div class="line"><a name="l00943"></a><span class="lineno"> 943</span> </div> +<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  <span class="comment">// Too bad this doesn't work right. But it makes the</span></div> +<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  <span class="comment">// ground mostly disappear. :-(</span></div> +<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  <span class="comment">//</span></div> +<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  <span class="comment">//video->SetRenderState(Video::Z_BIAS, -2);</span></div> +<div class="line"><a name="l00948"></a><span class="lineno"> 948</span> </div> +<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  <a class="code" href="class_terrain_patch.html#a9209d92f3244548b714d3b67cbc3d90a">Solid::Render</a>(video, flags);</div> +<div class="line"><a name="l00950"></a><span class="lineno"> 950</span> </div> +<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  video-><a class="code" href="class_video.html#ad6d15be603f17d68b69c9be8c5a91cbc">SetRenderState</a>(<a class="code" href="class_video.html#a6714be092b4fd2a23735f8e5325f52b9a46b369ce2c6d214557aa84a385b35a20">Video::LIGHTING_ENABLE</a>, <span class="keyword">true</span>);</div> +<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  video-><a class="code" href="class_video.html#ad6d15be603f17d68b69c9be8c5a91cbc">SetRenderState</a>(<a class="code" href="class_video.html#a6714be092b4fd2a23735f8e5325f52b9acb00af309eb074384b035f4949b67701">Video::SPECULAR_ENABLE</a>, <span class="keyword">true</span>);</div> +<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  video-><a class="code" href="class_video.html#ad6d15be603f17d68b69c9be8c5a91cbc">SetRenderState</a>(<a class="code" href="class_video.html#a6714be092b4fd2a23735f8e5325f52b9adff6f9efb1d3c44099bdd6c379c785a1">Video::FOG_ENABLE</a>, <span class="keyword">false</span>);</div> +<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  <span class="comment">//video->SetRenderState(Video::Z_BIAS, 0);</span></div> +<div class="line"><a name="l00955"></a><span class="lineno"> 955</span> </div> +<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#a0840cda0e4d9159fbf90a53b014a3420">ndetail</a> < 3) {</div> +<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < 16 && i < <a class="code" href="class_terrain_patch.html#ae6b247bb81ef5289a83c3e523a8c8451">materials</a>.<a class="code" href="class_list.html#a802e2aa9aaef248591140fa032d20d61">size</a>(); i++) {</div> +<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  <a class="code" href="struct_material.html">Material</a>* mtl = <a class="code" href="class_terrain_patch.html#ae6b247bb81ef5289a83c3e523a8c8451">materials</a>[i];</div> +<div class="line"><a name="l00959"></a><span class="lineno"> 959</span> </div> +<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  <span class="keywordflow">if</span> (details[i] && !mtl-><a class="code" href="struct_material.html#a84da46b60cffcfa54aec42729a632538">tex_detail</a>) {</div> +<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  mtl-><a class="code" href="struct_material.html#a84da46b60cffcfa54aec42729a632538">tex_detail</a> = details[i];</div> +<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  }</div> +<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  }</div> +<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  }</div> +<div class="line"><a name="l00965"></a><span class="lineno"> 965</span> }</div> +<div class="line"><a name="l00966"></a><span class="lineno"> 966</span> </div> +<div class="line"><a name="l00967"></a><span class="lineno"> 967</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l00968"></a><span class="lineno"> 968</span> </div> +<div class="line"><a name="l00969"></a><span class="lineno"> 969</span> <span class="keywordtype">int</span></div> +<div class="line"><a name="l00970"></a><span class="lineno"><a class="code" href="class_terrain_patch.html#aecdb2ade4ecea242b1a605d451aeb3cc"> 970</a></span> <a class="code" href="class_terrain_patch.html#aecdb2ade4ecea242b1a605d451aeb3cc">TerrainPatch::CheckRayIntersection</a>(<a class="code" href="struct_point.html">Point</a> obj_pos, <a class="code" href="struct_point.html">Point</a> dir, <span class="keywordtype">double</span> len, <a class="code" href="struct_point.html">Point</a>& ipt, <span class="keywordtype">bool</span> ttpas)</div> +<div class="line"><a name="l00971"></a><span class="lineno"> 971</span> {</div> +<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  <a class="code" href="struct_point.html">Point</a> light_pos = obj_pos + dir * len;</div> +<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  <span class="keywordtype">int</span> impact = light_pos.<a class="code" href="struct_point.html#afa38be143ae800e6ad69ce8ed4df62d8">y</a> < -100;</div> +<div class="line"><a name="l00974"></a><span class="lineno"> 974</span> </div> +<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  <span class="comment">// Special case for illumination -</span></div> +<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  <span class="comment">// just check if sun is above or below the horizon:</span></div> +<div class="line"><a name="l00977"></a><span class="lineno"> 977</span> </div> +<div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  <span class="keywordflow">if</span> (illuminating || impact) {</div> +<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  <span class="keywordflow">return</span> impact;</div> +<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  }</div> +<div class="line"><a name="l00981"></a><span class="lineno"> 981</span> </div> +<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  <span class="keywordflow">if</span> (obj_pos.<a class="code" href="struct_point.html#ab99c56589bc8ad5fa5071387110a5bc7">x</a> != 0 || obj_pos.<a class="code" href="struct_point.html#afa38be143ae800e6ad69ce8ed4df62d8">y</a> != 0 || obj_pos.<a class="code" href="struct_point.html#a05ba3b1dfcb19430582ae953cbbfbded">z</a> != 0) {</div> +<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  <span class="keywordflow">return</span> impact;</div> +<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  }</div> +<div class="line"><a name="l00985"></a><span class="lineno"> 985</span> </div> +<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  <span class="comment">// the rest of this code is only used for eclipsing</span></div> +<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  <span class="comment">// the solar lens flare:</span></div> +<div class="line"><a name="l00988"></a><span class="lineno"> 988</span> </div> +<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  <span class="comment">// check right angle spherical distance:</span></div> +<div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  <a class="code" href="struct_point.html">Point</a> d0 = <a class="code" href="class_graphic.html#a9ce2c536ee7744836ddde006907df8e7">loc</a>;</div> +<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  <a class="code" href="struct_point.html">Point</a> d1 = d0.<a class="code" href="struct_point.html#ae600bcc9fe480e782a05fade3b78f8c0">cross</a>(dir);</div> +<div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  <span class="keywordtype">double</span> dlen = d1.<a class="code" href="struct_point.html#a8ebcce847b8c214b7351904ce60f5518">length</a>(); <span class="comment">// distance of point from line</span></div> +<div class="line"><a name="l00993"></a><span class="lineno"> 993</span> </div> +<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  <span class="keywordflow">if</span> (dlen > <a class="code" href="class_graphic.html#a375d4c28b1feb40e12fb5a7cbba6a59c">radius</a>) <span class="comment">// clean miss</span></div> +<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  <span class="keywordflow">return</span> 0; <span class="comment">// (no impact)</span></div> +<div class="line"><a name="l00996"></a><span class="lineno"> 996</span> </div> +<div class="line"><a name="l00997"></a><span class="lineno"> 997</span>  <span class="comment">// make sure some part of this patch falls between</span></div> +<div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  <span class="comment">// the camera and the sun:</span></div> +<div class="line"><a name="l00999"></a><span class="lineno"> 999</span> </div> +<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  <a class="code" href="struct_point.html">Point</a> closest = <a class="code" href="class_graphic.html#a9ce2c536ee7744836ddde006907df8e7">loc</a> + dir * <a class="code" href="class_graphic.html#a375d4c28b1feb40e12fb5a7cbba6a59c">radius</a>;</div> +<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span> </div> +<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  <span class="keywordflow">if</span> (closest * dir < 0)</div> +<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  <span class="keywordflow">return</span> 0;</div> +<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span> </div> +<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  <span class="comment">// probable hit at this point...</span></div> +<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  <span class="comment">// test for polygon intersection:</span></div> +<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  <span class="keywordflow">if</span> (!<a class="code" href="class_solid.html#af40b436e67a38f424ea63758efc063c4">model</a>)</div> +<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  <span class="keywordflow">return</span> 0;</div> +<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span> </div> +<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  <a class="code" href="class_surface.html">Surface</a>* s = <a class="code" href="class_solid.html#af40b436e67a38f424ea63758efc063c4">model</a>-><a class="code" href="class_model.html#ace987f384a7f542279ba7efecfbd37e3">GetSurfaces</a>().<a class="code" href="class_list.html#a8aae283be6114a4234b851d5e796634a">first</a>();</div> +<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span> </div> +<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  <span class="keywordflow">if</span> (!s)</div> +<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  <span class="keywordflow">return</span> 0;</div> +<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span> </div> +<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span> </div> +<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>  <span class="comment">// transform ray into object space:</span></div> +<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  <a class="code" href="struct_matrix.html">Matrix</a> xform(<a class="code" href="class_solid.html#a1d78a55ebf9711da164c72779825806b">Orientation</a>());</div> +<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span> </div> +<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  <a class="code" href="struct_vec3.html">Vec3</a> tmp = dir;</div> +<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span> </div> +<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  dir.<a class="code" href="struct_point.html#ab99c56589bc8ad5fa5071387110a5bc7">x</a> = tmp * <a class="code" href="struct_vec3.html">Vec3</a>(xform(0,0), xform(0,1), xform(0,2));</div> +<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  dir.<a class="code" href="struct_point.html#afa38be143ae800e6ad69ce8ed4df62d8">y</a> = tmp * Vec3(xform(1,0), xform(1,1), xform(1,2));</div> +<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  dir.<a class="code" href="struct_point.html#a05ba3b1dfcb19430582ae953cbbfbded">z</a> = tmp * Vec3(xform(2,0), xform(2,1), xform(2,2));</div> +<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span> </div> +<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  tmp = obj_pos-<a class="code" href="class_graphic.html#a9ce2c536ee7744836ddde006907df8e7">loc</a>;</div> +<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span> </div> +<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  obj_pos.<a class="code" href="struct_point.html#ab99c56589bc8ad5fa5071387110a5bc7">x</a> = tmp * Vec3(xform(0,0), xform(0,1), xform(0,2));</div> +<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>  obj_pos.<a class="code" href="struct_point.html#afa38be143ae800e6ad69ce8ed4df62d8">y</a> = tmp * Vec3(xform(1,0), xform(1,1), xform(1,2));</div> +<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  obj_pos.<a class="code" href="struct_point.html#a05ba3b1dfcb19430582ae953cbbfbded">z</a> = tmp * Vec3(xform(2,0), xform(2,1), xform(2,2));</div> +<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span> </div> +<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>  <span class="keywordtype">double</span> min = 2 * len;</div> +<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span> </div> +<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  <span class="comment">// check each polygon:</span></div> +<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  <a class="code" href="struct_poly.html">Poly</a>* p = s-><a class="code" href="class_surface.html#a825c00815c558d148be44147e04367e4">GetPolys</a>();</div> +<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span> </div> +<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < s-><a class="code" href="class_surface.html#a45cd14771d5cc1937ab85a2e89e5bc08">NumPolys</a>(); i++) {</div> +<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  <a class="code" href="struct_point.html">Point</a> v = p-><a class="code" href="struct_poly.html#a5be012ca0623a37857a9ab897c6c731d">plane</a>.<a class="code" href="struct_plane.html#a4fca1d30bfad2542c8e38aa32ff13655">normal</a>;</div> +<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  <span class="keywordtype">double</span> d = p-><a class="code" href="struct_poly.html#a5be012ca0623a37857a9ab897c6c731d">plane</a>.<a class="code" href="struct_plane.html#a6ad7fdbb1461aa0527eb1f6745e10962">distance</a>;</div> +<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span> </div> +<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  <span class="keywordtype">double</span> denom = dir*v;</div> +<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span> </div> +<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  <span class="keywordflow">if</span> (denom < -1.0e-5) {</div> +<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>  <a class="code" href="struct_point.html">Point</a> P = v * d;</div> +<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  <span class="keywordtype">double</span> ilen = ((P-obj_pos)*v)/denom;</div> +<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span> </div> +<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  <span class="keywordflow">if</span> (ilen > 0 && ilen < min) {</div> +<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  <a class="code" href="struct_point.html">Point</a> intersect = obj_pos + dir * ilen;</div> +<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span> </div> +<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>  <span class="keywordflow">if</span> (p-><a class="code" href="struct_poly.html#a59d6612e72067b94da2d772b74b3eee9">Contains</a>(intersect)) {</div> +<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  ipt = intersect;</div> +<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  min = ilen;</div> +<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  impact = 1;</div> +<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  }</div> +<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  }</div> +<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  }</div> +<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span> </div> +<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  p++;</div> +<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  }</div> +<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span> </div> +<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  <span class="comment">// xform impact point back into world coordinates:</span></div> +<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span> </div> +<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  <span class="keywordflow">if</span> (impact) {</div> +<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  ipt = (ipt * <a class="code" href="class_solid.html#a1d78a55ebf9711da164c72779825806b">Orientation</a>()) + loc;</div> +<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  }</div> +<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span> </div> +<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  <span class="keywordflow">return</span> impact;</div> +<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span> }</div> +<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span> </div> +<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span> <span class="comment">// +--------------------------------------------------------------------+</span></div> +<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span> </div> +<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span> <span class="keywordtype">double</span></div> +<div class="line"><a name="l01072"></a><span class="lineno"><a class="code" href="class_terrain_patch.html#ab157e48084f36bccc5092f1f51101e48"> 1072</a></span> <a class="code" href="class_terrain_patch.html#ab157e48084f36bccc5092f1f51101e48">TerrainPatch::Height</a>(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> z)<span class="keyword"> const</span></div> +<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span> <span class="keyword"></span>{</div> +<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  <span class="keywordflow">if</span> (<a class="code" href="class_terrain_patch.html#aaef7896faec575710b901b6aa2a991b2">water</a>) <span class="keywordflow">return</span> <a class="code" href="class_terrain_patch.html#a8c4c331e4f49e94ed82f87a9be3a5279">base</a>;</div> +<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span> </div> +<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  <span class="keywordtype">double</span> height = 0;</div> +<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span> </div> +<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>  x /= <a class="code" href="class_terrain_patch.html#aa31906778e8dec08157370c86cbac279">scale</a>;</div> +<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  z /= <a class="code" href="class_terrain_patch.html#aa31906778e8dec08157370c86cbac279">scale</a>;</div> +<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span> </div> +<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  <span class="keywordtype">int</span> x0 = (int) x;</div> +<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  <span class="keywordtype">int</span> z0 = (int) z;</div> +<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span> </div> +<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>  <span class="keywordflow">if</span> (x0 >= 0 && x0 < PATCH_SIZE && z0 >= 0 && z0 < <a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a>) {</div> +<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  <span class="keywordtype">double</span> dx = x-x0;</div> +<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  <span class="keywordtype">double</span> dz = z-z0;</div> +<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span> </div> +<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  <span class="keywordtype">double</span> h[4];</div> +<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span> </div> +<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  h[0] = <a class="code" href="class_terrain_patch.html#ad4aed55c38320a907582fab760bc6058">heights</a>[(z0*<a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a> + x0)];</div> +<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>  h[1] = <a class="code" href="class_terrain_patch.html#ad4aed55c38320a907582fab760bc6058">heights</a>[((z0+1)*<a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a> + x0)];</div> +<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>  h[2] = <a class="code" href="class_terrain_patch.html#ad4aed55c38320a907582fab760bc6058">heights</a>[(z0*<a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a> + x0+1)];</div> +<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  h[3] = <a class="code" href="class_terrain_patch.html#ad4aed55c38320a907582fab760bc6058">heights</a>[((z0+1)*<a class="code" href="_terrain_8cpp.html#a452fd58b0e3c2931d0927755710e9c3b">PATCH_SIZE</a> + x0+1)];</div> +<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span> </div> +<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>  <span class="comment">// if level, just return height of one vertex:</span></div> +<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  <span class="keywordflow">if</span> (h[0] == h[1] && h[1] == h[2] && h[2] == h[3]) {</div> +<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>  height = h[0];</div> +<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>  }</div> +<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span> </div> +<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  <span class="comment">// if sloped, interpolate between vertex heights:</span></div> +<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  <span class="keywordflow">else</span> {</div> +<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>  <span class="keywordtype">double</span> hl = h[0]*(1-dz) + h[1]*dz;</div> +<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>  <span class="keywordtype">double</span> hr = h[2]*(1-dz) + h[3]*dz;</div> +<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span> </div> +<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  height = hl*(1-dx) + hr*dx + 5; <span class="comment">// fudge</span></div> +<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  }</div> +<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  }</div> +<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span> </div> +<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  <span class="keywordflow">if</span> (height < 0)</div> +<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  height = 0;</div> +<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span> </div> +<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>  <span class="keywordflow">return</span> height;</div> +<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span> }</div> +</div><!-- fragment --></div><!-- contents --> +</div><!-- doc-content --> +<!-- start footer part --> +<div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> + <ul> + <li class="navelem"><a class="el" href="dir_ea1b58c809a5070716d7c602998a95b0.html">Stars45</a></li><li class="navelem"><a class="el" href="_terrain_patch_8cpp.html">TerrainPatch.cpp</a></li> + <li class="footer">Generated on Tue Jun 5 2012 20:47:16 for Starshatter_Open by 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