Initial commit

Torque/SDK/tools/max2dtsExporter/stripper.h

@@ -0,0 +1,87 @@
+//-----------------------------------------------------------------------------
+// Torque Game Engine 
+// Copyright (C) GarageGames.com, Inc.
+//-----------------------------------------------------------------------------
+
+#ifndef _TSSHAPE_H_
+#include "ts/tsShape.h"
+#endif
+#ifndef _TVECTOR_H_
+#include "core/tVector.h"
+#endif
+#ifndef _PLATFORM_H_
+#include "platform/platform.h"
+#endif
+#ifndef _BITMATRIX_H_
+#include "core/bitMatrix.h"
+#endif
+
+class Stripper
+{
+   Vector<S32> numAdjacent;
+   Vector<bool> used;
+   BitMatrix adjacent;
+   Vector<S32> vertexCache;
+   Vector<S32> recentFaces;
+   S32 currentFace;
+   bool limitStripLength;
+   S32 bestLength;
+   U32 cacheMisses;
+
+   Vector<TSDrawPrimitive> strips;
+   Vector<U16> stripIndices;
+   
+   Vector<TSDrawPrimitive> & faces;
+   Vector<U16> & faceIndices;
+
+   void clearCache();
+   void addToCache(S32 vertexIndex);
+   void addToCache(S32 vertexIndex, U32 posFromBack);
+
+   void getVerts(S32 face, S32 & oldVert0, S32 & oldVert1, S32 & addVert);
+   void rotateFace(S32 start, Vector<U16> & indices);
+   bool swapNeeded(S32 oldVert0, S32 oldVert1);
+   F32 getScore(S32 face, bool ignoreOrder);
+   bool faceHasEdge(S32 face, U32 idx0, U32 idx1);
+   void getAdjacentFaces(S32 startFace, S32 endFace, S32 face, S32 & face0, S32 & face1, S32 & face2);
+
+   void setAdjacency(S32 startFace, S32 endFace);
+   bool startStrip(TSDrawPrimitive & strip, S32 startFace, S32 endFace);
+   bool addStrip(TSDrawPrimitive & strip, S32 startFace, S32 endFace);
+   bool stripLongEnough(S32 startFace, S32 endFace);
+
+   void testCache(S32 addedFace);
+   bool canGo(S32 face);
+
+   void makeStripsB(); // makeStrips() from faces...assumes all faces have same material index
+   void copyParams(Stripper *from);
+
+   char * errorStr;
+   void setExportError(const char * str) { errorStr = errorStr ? errorStr : dStrdup(str); }
+
+   public:
+
+   Stripper(Vector<TSDrawPrimitive> & faces, Vector<U16> & indices);
+   Stripper(Stripper &);
+   ~Stripper();
+   
+   void makeStrips();
+   S32 continueStrip(S32 startFace, S32 endFace, S32 len, S32 restart); // used for simulation...
+   void getStrips(Vector<TSDrawPrimitive> & s, Vector<U16> & si) { s=strips; si=stripIndices; }
+
+   void setLimitStripLength(bool lim) { limitStripLength = lim; }
+   void resetCacheMisses() { cacheMisses = 0; }
+   U32 getCacheMisses() { return cacheMisses; }
+   
+   const char * getError() { return errorStr; }
+   bool isError() { return errorStr!=NULL; }
+
+   // adjust strip building strategy
+   static F32 adjacencyWeight;
+   static F32 noswapWeight;
+   static F32 alreadyCachedWeight;
+   static U32 cacheSize;
+   static U32 simK;
+};
+
+