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-rw-r--r--utils/sptconvert/sptconvert.cpp344
1 files changed, 344 insertions, 0 deletions
diff --git a/utils/sptconvert/sptconvert.cpp b/utils/sptconvert/sptconvert.cpp
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--- /dev/null
+++ b/utils/sptconvert/sptconvert.cpp
@@ -0,0 +1,344 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+// A simple tool for converting SpeedTree .spt files into .smd files
+// for use in Source
+//
+//===========================================================================//
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+#include "filesystem_tools.h"
+#include "cmdlib.h"
+#include "mathlib/mathlib.h"
+
+#include "tier0/icommandline.h"
+
+#include "SpeedTreeRT.h"
+
+
+void OutputMaterialFile( char *filestub, bool bEnableAlphaTest, float alphaTest=0.0f )
+{
+ char filename[MAX_PATH];
+ _snprintf( filename, MAX_PATH, "%smaterials\\Trees\\%s_VertexLit.vmt", gamedir, filestub );
+ FILE *file = fopen( filename, "wt" );
+ if( !file )
+ return;
+
+ fprintf( file, "\"VertexLitGeneric\"\n" );
+ fprintf( file, "{\n" );
+ fprintf( file, "\t\"$basetexture\" \"trees/%s\"\n", filestub);
+ fprintf( file, "\t\"$model\" \"1\"\n" );
+ fprintf( file, "\t\"$alphatest\" \"%d\"\n", bEnableAlphaTest?1:0 );
+ fprintf( file, "\t\"$alphatestreference\" \"%f\"\n", alphaTest );
+ fprintf( file, "}\n\n" );
+
+ fclose( file );
+}
+
+
+void OutputLeafMaterialFile( char *filestub, bool bEnableAlphaTest, float alphaTest=0.0f, float *pCenter=NULL )
+{
+ char filename[MAX_PATH];
+ _snprintf( filename, MAX_PATH, "%smaterials\\Trees\\%s_TreeLeaf.vmt", gamedir, filestub );
+ FILE *file = fopen( filename, "wt" );
+ if( !file )
+ return;
+
+ fprintf( file, "\"TreeLeaf\"\n" );
+ fprintf( file, "{\n" );
+ fprintf( file, "\t\"$basetexture\" \"trees/%s\"\n", filestub);
+ fprintf( file, "\t\"$model\" \"1\"\n" );
+ fprintf( file, "\t\"$alphatest\" \"%d\"\n", bEnableAlphaTest?1:0 );
+ fprintf( file, "\t\"$alphatestreference\" \"%f\"\n", alphaTest );
+ fprintf( file, "\t\"$leafcenter\" \"[ %f %f %f ]\"\n", pCenter[0], pCenter[1], pCenter[2] );
+ fprintf( file, "}\n\n" );
+
+ fclose( file );
+}
+
+
+void OutputTreeGeometry( CSpeedTreeRT &speedTree, CSpeedTreeRT::SGeometry &sGeom, char *filename )
+{
+ FILE *file = fopen( filename, "wt" );
+ if( !file )
+ return;
+
+ fprintf( file, "version 1\n" );
+
+ fprintf( file, "nodes\n" );
+ fprintf( file, "0 \"Tree\" -1\n" );
+ fprintf( file, "end\n" );
+
+ fprintf( file, "skeleton\n" );
+ fprintf( file, "time 0\n" );
+ fprintf( file, "0 0.0 0.0 0.0 0.0 0.0 0.0\n" );
+ fprintf( file, "end\n" );
+
+ fprintf( file, "triangles\n" );
+
+ CSpeedTreeRT::STextures sTextures;
+ speedTree.GetTextures( sTextures );
+
+ char branchTextureName[ MAX_PATH ];
+ _splitpath( sTextures.m_pBranchTextureFilename, NULL, NULL, branchTextureName, NULL );
+
+ float alphaTest = sGeom.m_fBranchAlphaTestValue/255.0f;
+ OutputMaterialFile( branchTextureName, false, alphaTest );
+
+ for( int nStrip=0;nStrip<sGeom.m_sBranches.m_usNumStrips;nStrip++ )
+ {
+ int nStripLength = sGeom.m_sBranches.m_pStripLengths[ nStrip ];
+ const unsigned short *pStripIndices = sGeom.m_sBranches.m_pStrips[ nStrip ];
+ for( int i=0;i<nStripLength-2;i++ )
+ {
+ int nIndices[3] = { pStripIndices[i], pStripIndices[i+1], pStripIndices[i+2] };
+
+ if( i%2 )
+ {
+ int tmp = nIndices[2];
+ nIndices[2] = nIndices[1];
+ nIndices[1] = tmp;
+ }
+
+ fprintf( file, "%s_VertexLit\n", branchTextureName );
+
+ for( int j=0;j<3;j++ )
+ {
+ const float *pPos = &sGeom.m_sBranches.m_pCoords[ nIndices[j]*3 ];
+ const float *pNormal = &sGeom.m_sBranches.m_pNormals[ nIndices[j]*3 ];
+ const float *pTexCoord = &sGeom.m_sBranches.m_pTexCoords0[ nIndices[j]*2 ];
+
+ fprintf( file, "0 %f %f %f %f %f %f %f %f 0\n", pPos[0], pPos[1], pPos[2],
+ pNormal[0], pNormal[1], pNormal[2],
+ pTexCoord[0], pTexCoord[1] );
+ }
+ }
+ }
+
+ for( unsigned int i=0;i<sTextures.m_uiFrondTextureCount;i++ )
+ {
+ char filestub[MAX_PATH];
+ _splitpath( sTextures.m_pFrondTextureFilenames[i], NULL, NULL, filestub, NULL );
+
+ alphaTest = sGeom.m_fFrondAlphaTestValue/255.0f;
+ OutputMaterialFile( filestub, true, alphaTest );
+ }
+
+ for( int nStrip=0;nStrip<sGeom.m_sFronds.m_usNumStrips;nStrip++ )
+ {
+ int nStripLength = sGeom.m_sFronds.m_pStripLengths[ nStrip ];
+ const unsigned short *pStripIndices = sGeom.m_sFronds.m_pStrips[ nStrip ];
+ for( int i=0;i<nStripLength-2;i++ )
+ {
+ int nIndices[3] = { pStripIndices[i], pStripIndices[i+1], pStripIndices[i+2] };
+
+ if( i%2 )
+ {
+ int tmp = nIndices[2];
+ nIndices[2] = nIndices[1];
+ nIndices[1] = tmp;
+ }
+
+ char frondTextureName[ MAX_PATH ];
+ _splitpath( sTextures.m_pFrondTextureFilenames[0], NULL, NULL, frondTextureName, NULL );
+ fprintf( file, "%s_VertexLit\n", frondTextureName );
+
+ for( int j=0;j<3;j++ )
+ {
+ const float *pPos = &sGeom.m_sFronds.m_pCoords[ nIndices[j]*3 ];
+ const float *pNormal = &sGeom.m_sFronds.m_pNormals[ nIndices[j]*3 ];
+ const float *pTexCoord = &sGeom.m_sFronds.m_pTexCoords0[ nIndices[j]*2 ];
+
+ fprintf( file, "0 %f %f %f %f %f %f %f %f 0\n", pPos[0], pPos[1], pPos[2],
+ pNormal[0], pNormal[1], pNormal[2],
+ pTexCoord[0], pTexCoord[1] );
+ }
+ }
+ }
+
+ float *pLeafCentres = new float[ sTextures.m_uiLeafTextureCount*3 ];
+ int *pLeafCounts = new int[ sTextures.m_uiLeafTextureCount ];
+ for( unsigned int i=0;i<sTextures.m_uiLeafTextureCount;i++ )
+ {
+ pLeafCentres[ i*3 ] = 0.0f;
+ pLeafCentres[ i*3+1 ] = 0.0f;
+ pLeafCentres[ i*3+2 ] = 0.0f;
+ pLeafCounts[ i ] = 0;
+ }
+
+ CSpeedTreeRT::SGeometry::SLeaf &leaves = sGeom.m_sLeaves0;
+ for( int i=0;i<leaves.m_usLeafCount;i++ )
+ {
+ int index = leaves.m_pLeafMapIndices[i] / 2;
+ char leafTextureName[ MAX_PATH ];
+ _splitpath( sTextures.m_pLeafTextureFilenames[ index ], NULL, NULL, leafTextureName, NULL );
+
+ const float *pPos = &leaves.m_pCenterCoords[ i*3 ];
+ const float *pCoords = leaves.m_pLeafMapCoords[ i ];
+ const float *pTex = leaves.m_pLeafMapTexCoords[i];
+
+ float d[3] = { pCoords[8] - pCoords[0], pCoords[9] - pCoords[1], pCoords[10] - pCoords[2] };
+ float size = sqrtf( d[0]*d[0] + d[1]*d[1] + d[2]*d[2] ) * 0.5f;
+
+ fprintf( file, "%s_TreeLeaf\n", leafTextureName );
+ fprintf( file, "0 %f %f %f %f %f 0.0 %f %f\n", pPos[0], pPos[1], pPos[2], pTex[0], pTex[1], -size, -size );
+ fprintf( file, "0 %f %f %f %f %f 0.0 %f %f\n", pPos[0], pPos[1], pPos[2], pTex[2], pTex[3], size, -size );
+ fprintf( file, "0 %f %f %f %f %f 0.0 %f %f\n", pPos[0], pPos[1], pPos[2], pTex[4], pTex[5], size, size );
+
+ fprintf( file, "%s_TreeLeaf\n", leafTextureName );
+ fprintf( file, "0 %f %f %f %f %f 0.0 %f %f\n", pPos[0], pPos[1], pPos[2], pTex[0], pTex[1], -size, -size );
+ fprintf( file, "0 %f %f %f %f %f 0.0 %f %f\n", pPos[0], pPos[1], pPos[2], pTex[4], pTex[5], size, size );
+ fprintf( file, "0 %f %f %f %f %f 0.0 %f %f\n", pPos[0], pPos[1], pPos[2], pTex[6], pTex[7], -size, size );
+
+ pLeafCentres[ index*3 ] += pPos[0];
+ pLeafCentres[ index*3+1 ] += pPos[1];
+ pLeafCentres[ index*3+2 ] += pPos[2];
+ pLeafCounts[ index ]++;
+ }
+
+ for( unsigned int i=0;i<sTextures.m_uiLeafTextureCount;i++ )
+ {
+ float oneOnCount = 1.0f / pLeafCounts[i];
+
+ pLeafCentres[ i*3 ] *= oneOnCount;
+ pLeafCentres[ i*3+1 ] *= oneOnCount;
+ pLeafCentres[ i*3+2 ] *= oneOnCount;
+ }
+
+ for( unsigned int i=0;i<sTextures.m_uiLeafTextureCount;i++ )
+ {
+ char filestub[ MAX_PATH ];
+ _splitpath( sTextures.m_pLeafTextureFilenames[i], NULL, NULL, filestub, NULL );
+
+ alphaTest = sGeom.m_sLeaves0.m_fAlphaTestValue/255.0f;
+ OutputLeafMaterialFile( filestub, true, alphaTest, &pLeafCentres[i*3] );
+ }
+
+ fprintf( file, "end\n\n" );
+
+ fclose( file );
+}
+
+
+void OutputTreeTextures( CSpeedTreeRT &speedTree )
+{
+ CSpeedTreeRT::STextures sTextures;
+ speedTree.GetTextures( sTextures );
+
+ CSpeedTreeRT::SGeometry sGeom;
+ speedTree.GetGeometry( sGeom, SpeedTree_AllGeometry );
+
+
+
+ char filestub[MAX_PATH];
+ _splitpath( sTextures.m_pBranchTextureFilename, NULL, NULL, filestub, NULL );
+
+ float alphaTest = sGeom.m_fBranchAlphaTestValue/255.0f;
+ OutputMaterialFile( filestub, false, alphaTest );
+
+ for( unsigned int i=0;i<sTextures.m_uiFrondTextureCount;i++ )
+ {
+ _splitpath( sTextures.m_pFrondTextureFilenames[i], NULL, NULL, filestub, NULL );
+
+ alphaTest = sGeom.m_fFrondAlphaTestValue/255.0f;
+ OutputMaterialFile( filestub, true, alphaTest );
+ }
+
+ for( unsigned int i=0;i<sTextures.m_uiLeafTextureCount;i++ )
+ {
+ _splitpath( sTextures.m_pLeafTextureFilenames[i], NULL, NULL, filestub, NULL );
+
+ alphaTest = sGeom.m_sLeaves0.m_fAlphaTestValue/255.0f;
+ OutputLeafMaterialFile( filestub, true, alphaTest );
+ }
+}
+
+
+void OutputQCFile( char *treeName )
+{
+ char smdFileName[MAX_PATH];
+ sprintf( smdFileName, "%s.smd", treeName );
+
+ char qcFileName[MAX_PATH];
+ sprintf( qcFileName, "%s.qc", treeName );
+
+ char smdAnimFileName[MAX_PATH];
+ sprintf( smdAnimFileName, "%s_anim.smd", treeName );
+
+ char mdlFileName[MAX_PATH];
+ sprintf( mdlFileName, "%s.mdl", treeName );
+
+ FILE *file = fopen( qcFileName, "wt" );
+
+ fprintf( file, "$modelname %s\n", mdlFileName );
+ fprintf( file, "$cdmaterials trees\n" );
+ fprintf( file, "$scale 1\n" );
+ fprintf( file, "$model %s \"%s\"\n", treeName, smdFileName );
+ fprintf( file, "$sequence idle \"%s_anim\" loop fps 15\n", treeName );
+
+ fclose( file );
+
+ file = fopen( smdAnimFileName, "wt" );
+
+ fprintf( file, "version 1\n" );
+ fprintf( file, "nodes\n" );
+ fprintf( file, "0 \"Tree\" -1\n" );
+ fprintf( file, "end\n" );
+ fprintf( file, "skeleton\n" );
+ fprintf( file, "time 0\n" );
+ fprintf( file, "0 0.0 0.0 0.0 0.0 0.0 0.0\n" );
+ fprintf( file, "end\n" );
+
+ fclose( file );
+}
+
+
+void main( int argc, char **argv )
+{
+ CommandLine()->CreateCmdLine( argc, argv );
+ if( CommandLine()->ParmCount()!=2 )
+ {
+ printf( "usage : sptconvert <SPT file name>\n" );
+ exit(0);
+ }
+
+ MathLib_Init( 2.2f, 2.2f, 0.0f, 2.0f, false, false, false, false );
+
+ CmdLib_InitFileSystem( CommandLine()->GetParm(1) );
+
+ CSpeedTreeRT speedTree;
+
+ char treeName[MAX_PATH];
+ _splitpath( argv[1], NULL, NULL, treeName, NULL );
+
+ char smdFileName[MAX_PATH];
+ sprintf( smdFileName, "%s.smd", treeName );
+
+ char qcFileName[MAX_PATH];
+ sprintf( qcFileName, "%s.qc", treeName );
+
+ OutputQCFile( treeName );
+
+ if( speedTree.LoadTree( argv[1] ) )
+ {
+ if( speedTree.Compute( NULL, 1, false ) )
+ {
+ CSpeedTreeRT::SGeometry sGeom;
+ speedTree.GetGeometry( sGeom, SpeedTree_AllGeometry );
+
+ OutputTreeGeometry( speedTree, sGeom, smdFileName );
+ }
+ else
+ {
+ // Trouble with compute
+ }
+ }
+ else
+ {
+ // Trouble with load
+ }
+} \ No newline at end of file
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