and more boring moving and cleanup ...

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1661 8ced0084-cf51-0410-be5f-012b33b47a6e

1 files changed, 129 insertions, 0 deletions

diff --git a/Source/Core/VideoCommon/Src/IndexGenerator.cpp b/Source/Core/VideoCommon/Src/IndexGenerator.cpp
new file mode 100644
index 0000000000..01ff44a5c0
--- /dev/null
+++ b/Source/Core/VideoCommon/Src/IndexGenerator.cpp
@@ -0,0 +1,129 @@
+// Copyright (C) 2003-2008 Dolphin Project.
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 2.0.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+
+#include "IndexGenerator.h"
+
+/*
+*	
+QUAD simulator
+
+0   2   4   6  
+1   3   5   7
+021231 243453 
+*/
+
+
+void IndexGenerator::Start(unsigned short *startptr)
+{
+	ptr=startptr;
+	index=0;
+	numPrims=0;
+}
+
+void IndexGenerator::AddList(int numVerts)
+{
+	int numTris = numVerts/3;
+	if (numTris<=0) return;
+	for (int i=0; i<numTris; i++)
+	{
+		*ptr++ = index+i*3;
+		*ptr++ = index+i*3+1;
+		*ptr++ = index+i*3+2;
+	}
+	index += numVerts;
+	numPrims += numTris;
+}
+
+void IndexGenerator::AddStrip(int numVerts)
+{
+	int numTris = numVerts-2;
+	if (numTris<=0) return;
+	bool wind = false;
+	for (int i=0; i<numTris; i++)
+	{
+		*ptr++ = index+i;
+		*ptr++ = index+i+(wind?2:1);
+		*ptr++ = index+i+(wind?1:2);
+		wind = !wind;
+	}
+	index += numVerts;
+	numPrims += numTris;
+}
+
+void IndexGenerator::AddLineList(int numVerts)
+{
+	int numLines= numVerts/2;
+	if (numLines<=0) return;
+	for (int i=0; i<numLines; i++)
+	{
+		*ptr++ = index+i*2;
+		*ptr++ = index+i*2+1;
+	}
+	index += numVerts;
+	numPrims += numLines;
+}
+
+void IndexGenerator::AddLineStrip(int numVerts)
+{
+	int numLines = numVerts-1;
+	if (numLines<=0) return;
+	for (int i=0; i<numLines; i++)
+	{
+		*ptr++ = index+i;
+		*ptr++ = index+i+1;
+	}
+	index += numVerts;
+	numPrims += numLines;
+}
+
+
+void IndexGenerator::AddFan(int numVerts)
+{
+	int numTris = numVerts-2;
+	if (numTris<=0) return;
+	for (int i=0; i<numTris; i++)
+	{
+		*ptr++ = index;
+		*ptr++ = index+i+1;
+		*ptr++ = index+i+2;
+	}
+	index += numVerts;
+	numPrims += numTris;
+}
+
+void IndexGenerator::AddQuads(int numVerts)
+{
+	int numTris = (numVerts/4)*2;
+	if (numTris<=0) return;
+	for (int i=0; i<numTris/2; i++)
+	{
+		*ptr++=index+i*4;
+		*ptr++=index+i*4+1;
+		*ptr++=index+i*4+3;
+		*ptr++=index+i*4+1;
+		*ptr++=index+i*4+2;
+		*ptr++=index+i*4+3;
+	}
+	index += numVerts;
+	numPrims += numTris;
+}
+
+
+void IndexGenerator::AddPointList(int numVerts)
+{
+	index += numVerts;
+}
\ No newline at end of file