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