1 files changed, 94 insertions, 0 deletions
diff --git a/Stars45/TerrainPatch.h b/Stars45/TerrainPatch.h
new file mode 100644
index 0000000..553cf78
--- /dev/null
+++ b/Stars45/TerrainPatch.h
@@ -0,0 +1,94 @@
+/*  Project Starshatter 4.5
+    Destroyer Studios LLC
+    Copyright © 1997-2005. All Rights Reserved.
+
+    SUBSYSTEM:    Stars.exe
+    FILE:         TerrainPatch.h
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    A Single Multi-LOD Section of a Terrain Object
+*/
+
+#ifndef TerrainPatch_h
+#define TerrainPatch_h
+
+#include "Types.h"
+#include "Solid.h"
+#include "Geometry.h"
+#include "Polygon.h"
+
+// +--------------------------------------------------------------------+
+
+class Projector;
+class Terrain;
+class Water;
+
+// +--------------------------------------------------------------------+
+
+class TerrainPatch : public Solid
+{
+public:
+   TerrainPatch(Terrain* terrain,
+                const Bitmap* patch, const Rect& rect,
+                const Point&  p1,    const Point& p2);
+   TerrainPatch(Terrain* terrain,    const Rect& rect,
+                const Point&  p1,    const Point& p2,
+                double sea_level);
+   virtual ~TerrainPatch();
+
+   virtual void      SelectDetail(Projector* projector);
+   virtual void      Render(Video* video, DWORD flags);
+
+   virtual int       CollidesWith(Graphic& o);
+
+   // accessors:
+   double            Scale()           const { return scale;      }
+   double            MountainScale()   const { return mtnscale;   }
+   double            SeaLevel()        const { return base;       }
+   double            MinHeight()       const { return min_height; }
+   double            MaxHeight()       const { return max_height; }
+   bool              IsWater()         const { return water != 0; }
+
+   void              UpdateSurfaceWaves(Vec3& eyePos);
+
+   void              SetScales(double scale, double mtnscale, double base);
+   void              SetDetailLevel(int nd);
+
+   virtual int       CheckRayIntersection(Point pt, Point vpn, double len, Point& ipt,
+                                          bool treat_translucent_polys_as_solid=true);
+
+   double            Height(double x, double y) const;
+   DWORD             BlendValue(double y);
+   int               CalcLayer(Poly* p);
+   void              Illuminate(Color ambient, List<Light>& lights);
+
+protected:
+   virtual bool      BuildDetailLevel(int level);
+
+   enum { MAX_LOD=8 };
+
+   Terrain*          terrain;
+   int               patch_size;
+   int               ndetail;
+   int               max_detail;
+   int               terrain_width;
+
+   Rect              rect;
+   float*            heights;
+   Model*            detail_levels[MAX_LOD];
+   List<Material>    materials;
+   Water*            water;
+
+   double            scale;
+   double            mtnscale;
+   double            base;
+   double            size;
+   float             min_height;
+   float             max_height;
+};
+
+#endif TerrainPatch_h
+