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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: Shadow.h
+ AUTHOR: John DiCamillo
+
+
+ OVERVIEW
+ ========
+ Dynamic Stencil Shadow Volumes
+*/
+
+#ifndef Shadow_h
+#define Shadow_h
+
+#include "Geometry.h"
+#include "Color.h"
+
+// +--------------------------------------------------------------------+
+
+#define Shadow_DESTROY(x) if (x) { x->Destroy(); x = 0; }
+
+// +--------------------------------------------------------------------+
+
+class Light;
+class Scene;
+class Solid;
+class Video;
+
+// +--------------------------------------------------------------------+
+
+class Shadow
+{
+public:
+ static const char* TYPENAME() { return "Shadow"; }
+
+ Shadow(Solid* solid);
+ virtual ~Shadow();
+
+ int operator == (const Shadow& s) const { return this == &s; }
+
+ // operations
+ void Render(Video* video);
+ void Update(Light* light);
+ void AddEdge(WORD v1, WORD v2);
+ void Reset();
+
+ bool IsEnabled() const { return enabled; }
+ void SetEnabled(bool e) { enabled = e; }
+
+ static void SetVisibleShadowVolumes(bool vis);
+ static bool GetVisibleShadowVolumes();
+
+protected:
+ Solid* solid;
+ Vec3* verts;
+ int nverts;
+ int max_verts;
+ bool enabled;
+
+ WORD* edges;
+ DWORD num_edges;
+};
+
+// +--------------------------------------------------------------------+
+
+#endif Shadow_h
+