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This commit is contained in:
KittenPopo
432
utils/studiomdl/objsupport.cpp
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432
utils/studiomdl/objsupport.cpp
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//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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//=============================================================================//
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//
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// studiomdl.c: generates a studio .mdl file from a .qc script
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// models/<scriptname>.mdl.
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//
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#pragma warning( disable : 4244 )
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#pragma warning( disable : 4237 )
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#pragma warning( disable : 4305 )
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <math.h>
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#include "tier1/utlbuffer.h"
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#include "cmdlib.h"
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#include "scriplib.h"
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#include "mathlib/mathlib.h"
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#include "studio.h"
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#include "tier1/characterset.h"
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#include "studiomdl.h"
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//#include "..\..\dlls\activity.h"
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bool IsEnd( char const* pLine );
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int SortAndBalanceBones( int iCount, int iMaxCount, int bones[], float weights[] );
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int AddToVlist( int v, int m, int n, int t, int firstref );
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void DecrementReferenceVlist( int uv, int numverts );
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int faceCompare( const void *elem1, const void *elem2 );
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void UnifyIndices( s_source_t *psource );
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struct MtlInfo_t
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{
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CUtlString m_MtlName;
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CUtlString m_TgaName;
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};
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static CUtlVector<MtlInfo_t> g_MtlLib;
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void ParseMtlLib( CUtlBuffer &buf )
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{
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int nCurrentMtl = -1;
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while ( buf.IsValid() )
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{
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buf.GetLine( g_szLine, sizeof(g_szLine) );
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if ( !Q_strnicmp( g_szLine, "newmtl ", 7 ) )
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{
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char mtlName[1024];
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if ( sscanf( g_szLine, "newmtl %s", mtlName ) == 1 )
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{
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nCurrentMtl = g_MtlLib.AddToTail( );
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g_MtlLib[nCurrentMtl].m_MtlName = mtlName;
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g_MtlLib[nCurrentMtl].m_TgaName = "debugempty";
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}
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continue;
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}
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if ( !Q_strnicmp( g_szLine, "map_Kd ", 7 ) )
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{
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if ( nCurrentMtl < 0 )
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continue;
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char tgaPath[MAX_PATH];
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char tgaName[1024];
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if ( sscanf( g_szLine, "map_Kd %s", tgaPath ) == 1 )
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{
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Q_FileBase( tgaPath, tgaName, sizeof(tgaName) );
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g_MtlLib[nCurrentMtl].m_TgaName = tgaName;
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}
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continue;
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}
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}
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}
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const char *FindMtlEntry( const char *pTgaName )
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{
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int nCount = g_MtlLib.Count();
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for ( int i = 0; i < nCount; ++i )
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{
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if ( !Q_stricmp( g_MtlLib[i].m_MtlName, pTgaName ) )
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return g_MtlLib[i].m_TgaName;
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}
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return pTgaName;
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}
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static bool ParseVertex( CUtlBuffer& bufParse, characterset_t &breakSet, int &v, int &t, int &n )
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{
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char cmd[1024];
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int nLen = bufParse.ParseToken( &breakSet, cmd, sizeof(cmd), false );
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if ( nLen <= 0 )
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return false;
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v = atoi( cmd );
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n = 0;
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t = 0;
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char c = *(char*)bufParse.PeekGet();
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bool bHasTexCoord = IN_CHARACTERSET( breakSet, c ) != 0;
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bool bHasNormal = false;
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if ( bHasTexCoord )
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{
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// Snag the '/'
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nLen = bufParse.ParseToken( &breakSet, cmd, sizeof(cmd), false );
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Assert( nLen == 1 );
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c = *(char*)bufParse.PeekGet();
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if ( !IN_CHARACTERSET( breakSet, c ) )
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{
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nLen = bufParse.ParseToken( &breakSet, cmd, sizeof(cmd), false );
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Assert( nLen > 0 );
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t = atoi( cmd );
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c = *(char*)bufParse.PeekGet();
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bHasNormal = IN_CHARACTERSET( breakSet, c ) != 0;
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}
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else
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{
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bHasNormal = true;
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bHasTexCoord = false;
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}
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if ( bHasNormal )
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{
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// Snag the '/'
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nLen = bufParse.ParseToken( &breakSet, cmd, sizeof(cmd), false );
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Assert( nLen == 1 );
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nLen = bufParse.ParseToken( &breakSet, cmd, sizeof(cmd), false );
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Assert( nLen > 0 );
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n = atoi( cmd );
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}
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}
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return true;
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}
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int Load_OBJ( s_source_t *psource )
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{
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char cmd[1024];
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int i;
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int material = -1;
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g_MtlLib.RemoveAll();
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if ( !OpenGlobalFile( psource->filename ) )
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return 0;
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char pFullPath[MAX_PATH];
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if ( !GetGlobalFilePath( psource->filename, pFullPath, sizeof(pFullPath) ) )
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return 0;
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char pFullDir[MAX_PATH];
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Q_ExtractFilePath( pFullPath, pFullDir, sizeof(pFullDir) );
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if( !g_quiet )
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{
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printf( "grabbing %s\n", psource->filename );
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}
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g_iLinecount = 0;
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psource->numbones = 1;
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strcpy( psource->localBone[0].name, "default" );
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psource->localBone[0].parent = -1;
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Assert( psource->m_Animations.Count() == 0 );
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s_sourceanim_t *pSourceAnim = FindOrAddSourceAnim( psource, "BindPose" );
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pSourceAnim->numframes = 1;
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pSourceAnim->startframe = 0;
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pSourceAnim->endframe = 0;
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pSourceAnim->rawanim[0] = (s_bone_t *)calloc( 1, sizeof( s_bone_t ) );
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pSourceAnim->rawanim[0][0].pos.Init();
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pSourceAnim->rawanim[0][0].rot.Init();
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Build_Reference( psource, "BindPose" );
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characterset_t breakSet;
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CharacterSetBuild( &breakSet, "/\\" );
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while ( GetLineInput() )
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{
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Vector tmp;
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if ( strncmp( g_szLine, "v ", 2 ) == 0 )
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{
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i = g_numverts++;
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sscanf( g_szLine, "v %f %f %f", &g_vertex[i].x, &g_vertex[i].y, &g_vertex[i].z );
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g_bone[i].numbones = 1;
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g_bone[i].bone[0] = 0;
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g_bone[i].weight[0] = 1.0;
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continue;
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}
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if (strncmp( g_szLine, "vn ", 3 ) == 0)
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{
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i = g_numnormals++;
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sscanf( g_szLine, "vn %f %f %f", &g_normal[i].x, &g_normal[i].y, &g_normal[i].z );
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continue;
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}
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if (strncmp( g_szLine, "vt ", 3 ) == 0)
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{
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i = g_numtexcoords[0]++;
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sscanf( g_szLine, "vt %f %f", &g_texcoord[0][i].x, &g_texcoord[0][i].y );
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g_texcoord[0][i].y = 1.0 - g_texcoord[0][i].y;
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continue;
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}
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if ( !Q_strncmp( g_szLine, "mtllib ", 7 ) )
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{
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sscanf( g_szLine, "mtllib %s", &cmd );
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CUtlBuffer buf( 0, 0, CUtlBuffer::TEXT_BUFFER );
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char pFullMtlLibPath[MAX_PATH];
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Q_ComposeFileName( pFullDir, cmd, pFullMtlLibPath, sizeof(pFullMtlLibPath) );
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if ( g_pFullFileSystem->ReadFile( pFullMtlLibPath, NULL, buf ) )
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{
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ParseMtlLib( buf );
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}
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continue;
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}
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if (strncmp( g_szLine, "usemtl ", 7 ) == 0)
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{
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sscanf( g_szLine, "usemtl %s", &cmd );
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const char *pTexture = FindMtlEntry( cmd );
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int texture = LookupTexture( pTexture );
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psource->texmap[texture] = texture; // hack, make it 1:1
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material = UseTextureAsMaterial( texture );
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continue;
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}
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if (strncmp( g_szLine, "f ", 2 ) == 0)
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{
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if ( material < 0 )
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{
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int texture = LookupTexture( "debugempty.tga" );
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psource->texmap[texture] = texture;
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material = UseTextureAsMaterial( texture );
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}
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int v0, n0, t0;
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int v1, n1, t1;
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int v2, n2, t2;
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s_tmpface_t f;
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// Are we specifying p only, p and t only, p and n only, or p and n and t?
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char *pData = g_szLine + 2;
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int nLen = Q_strlen( pData );
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CUtlBuffer bufParse( pData, nLen, CUtlBuffer::TEXT_BUFFER | CUtlBuffer::READ_ONLY );
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ParseVertex( bufParse, breakSet, v0, t0, n0 );
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ParseVertex( bufParse, breakSet, v1, t1, n1 );
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Assert( v0 <= g_numverts && t0 <= g_numtexcoords[0] && n0 <= g_numnormals );
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Assert( v1 <= g_numverts && t1 <= g_numtexcoords[0] && n1 <= g_numnormals );
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while ( bufParse.IsValid() )
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{
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if ( !ParseVertex( bufParse, breakSet, v2, t2, n2 ) )
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break;
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Assert( v2 <= g_numverts && t2 <= g_numtexcoords[0] && n2 <= g_numnormals );
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i = g_numfaces++;
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f.material = material;
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f.a = v0 - 1; f.na = (n0 > 0) ? n0 - 1 : 0, f.ta[0] = (t0 > 0) ? t0 - 1 : 0;
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f.b = v2 - 1; f.nb = (n2 > 0) ? n2 - 1 : 0, f.tb[0] = (t2 > 0) ? t2 - 1 : 0;
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f.c = v1 - 1; f.nc = (n1 > 0) ? n1 - 1 : 0, f.tc[0] = (t1 > 0) ? t1 - 1 : 0;
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g_face[i] = f;
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v1 = v2; t1 = t2; n1 = n2;
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}
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continue;
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}
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}
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UnifyIndices( psource );
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BuildIndividualMeshes( psource );
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fclose( g_fpInput );
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return 1;
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}
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int AppendVTAtoOBJ( s_source_t *psource, char *filename, int frame )
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{
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char cmd[1024];
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int i, j;
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int material = 0;
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Vector tmp;
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matrix3x4_t m;
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AngleMatrix( RadianEuler( 1.570796, 0, 0 ), m );
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if ( !OpenGlobalFile( filename ) )
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return 0;
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if( !g_quiet )
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{
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printf ("grabbing %s\n", filename );
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}
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g_iLinecount = 0;
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g_numverts = g_numnormals = g_numtexcoords[0] = g_numfaces = 0;
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while ( GetLineInput() )
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{
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Vector tmp;
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if (strncmp( g_szLine, "v ", 2 ) == 0)
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{
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i = g_numverts++;
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sscanf( g_szLine, "v %f %f %f", &tmp.x, &tmp.y, &tmp.z );
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VectorTransform( tmp, m, g_vertex[i] );
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// printf("%f %f %f\n", g_vertex[i].x, g_vertex[i].y, g_vertex[i].z );
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g_bone[i].numbones = 1;
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g_bone[i].bone[0] = 0;
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g_bone[i].weight[0] = 1.0;
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}
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else if (strncmp( g_szLine, "vn ", 3 ) == 0)
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{
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i = g_numnormals++;
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sscanf( g_szLine, "vn %f %f %f", &tmp.x, &tmp.y, &tmp.z );
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VectorRotate( tmp, m, g_normal[i] );
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}
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else if (strncmp( g_szLine, "vt ", 3 ) == 0)
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{
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i = g_numtexcoords[0]++;
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sscanf( g_szLine, "vt %f %f", &g_texcoord[0][i].x, &g_texcoord[0][i].y );
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}
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else if (strncmp( g_szLine, "usemtl ", 7 ) == 0)
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{
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sscanf( g_szLine, "usemtl %s", &cmd );
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int texture = LookupTexture( cmd );
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psource->texmap[texture] = texture; // hack, make it 1:1
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material = UseTextureAsMaterial( texture );
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}
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else if (strncmp( g_szLine, "f ", 2 ) == 0)
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{
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int v0, n0, t0;
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int v1, n1, t1;
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int v2, n2, t2;
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int v3, n3, t3;
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s_tmpface_t f;
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i = g_numfaces++;
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j = sscanf( g_szLine, "f %d/%d/%d %d/%d/%d %d/%d/%d %d/%d/%d", &v0, &t0, &n0, &v1, &t1, &n1, &v2, &t2, &n2, &v3, &t3, &n3 );
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f.material = material;
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f.a = v0 - 1; f.na = n0 - 1, f.ta[0] = 0;
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f.b = v2 - 1; f.nb = n2 - 1, f.tb[0] = 0;
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f.c = v1 - 1; f.nc = n1 - 1, f.tc[0] = 0;
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Assert( v0 <= g_numverts && v1 <= g_numverts && v2 <= g_numverts );
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Assert( n0 <= g_numnormals && n1 <= g_numnormals && n2 <= g_numnormals );
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g_face[i] = f;
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if (j == 12)
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{
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i = g_numfaces++;
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f.a = v0 - 1; f.na = n0 - 1, f.ta[0] = 0;
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f.b = v3 - 1; f.nb = n3 - 1, f.tb[0] = 0;
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f.c = v2 - 1; f.nc = n2 - 1, f.tc[0] = 0;
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g_face[i] = f;
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}
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}
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}
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UnifyIndices( psource );
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s_sourceanim_t *pSourceAnim = FindOrAddSourceAnim( psource, "BindPose" );
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if ( frame == 0 )
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{
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psource->numbones = 1;
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strcpy( psource->localBone[0].name, "default" );
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psource->localBone[0].parent = -1;
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pSourceAnim->numframes = 1;
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pSourceAnim->startframe = 0;
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pSourceAnim->endframe = 0;
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pSourceAnim->rawanim[0] = (s_bone_t *)calloc( 1, sizeof( s_bone_t ) );
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pSourceAnim->rawanim[0][0].pos.Init();
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pSourceAnim->rawanim[0][0].rot = RadianEuler( 1.570796, 0.0, 0.0 );
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Build_Reference( psource, "BindPose" );
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BuildIndividualMeshes( psource );
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}
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// printf("%d %d : %d\n", g_numverts, g_numnormals, numvlist );
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int t = frame;
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int count = g_numvlist;
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pSourceAnim->numvanims[t] = count;
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pSourceAnim->vanim[t] = (s_vertanim_t *)calloc( count, sizeof( s_vertanim_t ) );
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for (i = 0; i < count; i++)
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{
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pSourceAnim->vanim[t][i].vertex = i;
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pSourceAnim->vanim[t][i].pos = g_vertex[v_listdata[i].v];
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pSourceAnim->vanim[t][i].normal = g_normal[v_listdata[i].n];
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}
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fclose( g_fpInput );
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return 1;
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}
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