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+/* Starshatter OpenSource Distribution
+ Copyright (c) 1997-2004, Destroyer Studios LLC.
+ All Rights Reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+ * Neither the name "Destroyer Studios" nor the names of its contributors
+ may be used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+
+ SUBSYSTEM: nGenEx.lib
+ FILE: Bolt.cpp
+ AUTHOR: John DiCamillo
+
+
+ OVERVIEW
+ ========
+ 3D Bolt (Polygon) Object
+*/
+
+#include "MemDebug.h"
+#include "Bolt.h"
+#include "Bitmap.h"
+#include "Camera.h"
+#include "Video.h"
+
+void Print(const char* fmt, ...);
+
+// +--------------------------------------------------------------------+
+
+Bolt::Bolt(double len, double wid, Bitmap* tex, int share)
+ : vset(4), poly(0), texture(tex), length(len), width(wid), shade(1.0),
+ vpn(0, 1, 0), shared(share)
+{
+ trans = true;
+
+ loc = Vec3(0.0f, 0.0f, 1000.0f);
+
+ vset.nverts = 4;
+
+ vset.loc[0] = Point( width, 0, 1000);
+ vset.loc[1] = Point( width, -length, 1000);
+ vset.loc[2] = Point(-width, -length, 1000);
+ vset.loc[3] = Point(-width, 0, 1000);
+
+ vset.tu[0] = 0.0f;
+ vset.tv[0] = 0.0f;
+ vset.tu[1] = 1.0f;
+ vset.tv[1] = 0.0f;
+ vset.tu[2] = 1.0f;
+ vset.tv[2] = 1.0f;
+ vset.tu[3] = 0.0f;
+ vset.tv[3] = 1.0f;
+
+ Plane plane(vset.loc[0], vset.loc[1], vset.loc[2]);
+
+ for (int i = 0; i < 4; i++) {
+ vset.nrm[i] = plane.normal;
+ }
+
+ mtl.Ka = Color::White;
+ mtl.Kd = Color::White;
+ mtl.Ks = Color::Black;
+ mtl.Ke = Color::White;
+ mtl.tex_diffuse = texture;
+ mtl.tex_emissive = texture;
+ mtl.blend = Video::BLEND_ADDITIVE;
+
+ poly.nverts = 4;
+ poly.vertex_set = &vset;
+ poly.material = &mtl;
+ poly.verts[0] = 0;
+ poly.verts[1] = 1;
+ poly.verts[2] = 2;
+ poly.verts[3] = 3;
+
+ radius = (float) ((length>width) ? (length) : (width*2));
+
+ if (texture) {
+ strncpy_s(name, texture->GetFilename(), 31);
+ name[31] = 0;
+ }
+}
+
+// +--------------------------------------------------------------------+
+
+Bolt::~Bolt()
+{
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Bolt::Render(Video* video, DWORD flags)
+{
+ if ((flags & RENDER_ADDITIVE) == 0)
+ return;
+
+ if (visible && !hidden && video && life) {
+ const Camera* camera = video->GetCamera();
+
+ Point head = loc;
+ Point tail = origin;
+ Point vtail = tail - head;
+ Point vcam = camera->Pos() - loc;
+ Point vtmp = vcam.cross(vtail);
+ vtmp.Normalize();
+ Point vlat = vtmp * -width;
+ Vec3 vnrm = camera->vpn() * -1;
+
+ vset.loc[0] = head + vlat;
+ vset.loc[1] = tail + vlat;
+ vset.loc[2] = tail - vlat;
+ vset.loc[3] = head - vlat;
+
+ vset.nrm[0] = vnrm;
+ vset.nrm[1] = vnrm;
+ vset.nrm[2] = vnrm;
+ vset.nrm[3] = vnrm;
+
+ ColorValue white((float) shade, (float) shade, (float) shade);
+ mtl.Ka = white;
+ mtl.Kd = white;
+ mtl.Ks = Color::Black;
+ mtl.Ke = white;
+
+ video->DrawPolys(1, &poly);
+ }
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Bolt::Update()
+{
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Bolt::TranslateBy(const Point& ref)
+{
+ loc = loc - ref;
+ origin = origin - ref;
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Bolt::SetOrientation(const Matrix& o)
+{
+ vpn = Point(o(2,0), o(2,1), o(2,2));
+ origin = loc + (vpn * -length);
+}
+
+void
+Bolt::SetDirection(const Point& v)
+{
+ vpn = v;
+ origin = loc + (vpn * -length);
+}
+
+void
+Bolt::SetEndPoints(const Point& from, const Point& to)
+{
+ loc = to;
+ origin = from;
+ vpn = to - from;
+ length = vpn.Normalize();
+ radius = (float) length;
+}
+
+void
+Bolt::SetTextureOffset(double from, double to)
+{
+ vset.tu[0] = (float) from;
+ vset.tu[1] = (float) to;
+ vset.tu[2] = (float) to;
+ vset.tu[3] = (float) from;
+}
+
+