+++ /dev/null
-/*
-Copyright (C) 1999-2006 Id Software, Inc. and contributors.
-For a list of contributors, see the accompanying CONTRIBUTORS file.
-
-This file is part of GtkRadiant.
-
-GtkRadiant 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; either version 2 of the License, or
-(at your option) any later version.
-
-GtkRadiant 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 for more details.
-
-You should have received a copy of the GNU General Public License
-along with GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#include <assert.h>
-#include "q3data.h"
-
-static void Load3DS( const char *filename, _3DS_t *p3DS, qboolean verbose );
-
-static qboolean s_verbose;
-
-#define MAX_MATERIALS 100
-#define MAX_NAMED_OBJECTS 100
-#define MAX_MESH_MATERIAL_GROUPS 100
-#define MAX_TRI_OBJECTS 512
-
-static char s_buffer[1000000];
-
-static int ReadString( FILE *fp, char *buffer )
-{
- int i = 0;
- int bytesRead = 0;
-
- do
- {
- fread( &buffer[i], 1, sizeof( char ), fp );
- bytesRead++;
- } while ( buffer[i++] != 0 );
- buffer[i] = 0;
-
- return bytesRead;
-}
-
-static int ReadChunkAndLength( FILE *fp, short *chunk, long *len )
-{
- if ( fread( chunk, sizeof( short ), 1, fp ) != 1 )
- return 0;
- if ( fread( len, sizeof( long ), 1, fp ) != 1 )
- Error( "Unexpected EOF found" );
- return 1;
-}
-
-static void LoadMapName( FILE *fp, char *buffer, int thisChunkLen )
-{
- unsigned short chunkID;
- long chunkLen;
- long bytesRead = 0;
-
- while ( ReadChunkAndLength( fp, &chunkID, &chunkLen ) )
- {
- switch ( chunkID )
- {
- case _3DS_CHUNK_MAT_MAPNAME:
- fread( buffer, chunkLen - 6, 1, fp );
- break;
- default:
- fread( s_buffer, chunkLen - 6, 1, fp );
- break;
- }
- bytesRead += chunkLen;
- if ( bytesRead >= thisChunkLen )
- return;
- }
-}
-
-static void LoadMaterialList( FILE *fp, long thisChunkLen, _3DSMaterial_t *pMat )
-{
- long chunkLen;
- unsigned short chunkID;
- long bytesRead = 0;
- _3DSMaterial_t mat;
- char curdir[1024];
- char buffer[2048];
-
- memset( &mat, 0, sizeof( mat ) );
-
- if ( s_verbose )
- printf( " >>> MATERIAL LIST\n" );
-
- while ( ReadChunkAndLength( fp, &chunkID, &chunkLen ) )
- {
- switch ( chunkID )
- {
- case _3DS_CHUNK_MAT_NAME:
- fread( mat.name, chunkLen - 6, 1, fp );
- if ( s_verbose )
- printf( " found mat name '%s'\n", mat.name );
- break;
- case _3DS_CHUNK_TEXMAP:
- LoadMapName( fp, mat.texture, chunkLen - 6 );
- if ( s_verbose )
- printf( " found texture '%s'\n", mat.texture );
- break;
- case _3DS_CHUNK_SPECMAP:
- LoadMapName( fp, mat.specular, chunkLen - 6 );
- if ( s_verbose )
- printf( " found specular map '%s'\n", mat.specular );
- break;
- case _3DS_CHUNK_OPACMAP:
- LoadMapName( fp, mat.opacity, chunkLen - 6 );
- if ( s_verbose )
- printf( " found opacity map '%s'\n", mat.opacity );
- break;
- case _3DS_CHUNK_REFLMAP:
- LoadMapName( fp, mat.reflection, chunkLen - 6 );
- if ( s_verbose )
- printf( " found reflection map '%s'\n", mat.reflection );
- break;
- case _3DS_CHUNK_BUMPMAP:
- LoadMapName( fp, mat.bump, chunkLen - 6 );
- if ( s_verbose )
- printf( " found bump map '%s'\n", mat.bump );
- break;
- default:
- fread( s_buffer, chunkLen - 6, 1, fp );
- break;
- }
-
- bytesRead += chunkLen;
-
- if ( bytesRead >= thisChunkLen )
- break;
- }
-
- Q_getwd( curdir );
-
- if ( mat.texture[0] )
- {
- sprintf( buffer, "%s%s", curdir, mat.texture );
- if ( strstr( buffer, gamedir + 1 ) )
- strcpy( mat.texture, strstr( buffer, gamedir + 1 ) + strlen( gamedir ) - 1 );
- else
- strcpy( mat.texture, buffer );
- }
-
- if ( mat.specular[0] )
- {
- sprintf( buffer, "%s%s", curdir, mat.specular );
- if ( strstr( buffer, gamedir + 1 ) )
- strcpy( mat.specular, strstr( buffer, gamedir + 1 ) + strlen( gamedir ) - 1 );
- else
- strcpy( mat.specular, buffer );
- }
-
- if ( mat.bump[0] )
- {
- sprintf( buffer, "%s%s", curdir, mat.bump );
- if ( strstr( buffer, gamedir + 1 ) )
- strcpy( mat.bump, strstr( buffer, gamedir + 1 ) + strlen( gamedir ) - 1 );
- else
- strcpy( mat.bump, buffer );
- }
-
- if ( mat.reflection[0] )
- {
- sprintf( buffer, "%s%s", curdir, mat.reflection );
- if ( strstr( buffer, gamedir + 1 ) )
- strcpy( mat.reflection, strstr( buffer, gamedir + 1 ) + strlen( gamedir ) - 1 );
- else
- strcpy( mat.reflection, buffer );
- }
-
- if ( mat.opacity[0] )
- {
- sprintf( buffer, "%s%s", curdir, mat.opacity );
- if ( strstr( buffer, gamedir + 1 ) )
- strcpy( mat.opacity, strstr( buffer, gamedir + 1 ) + strlen( gamedir ) - 1 );
- else
- strcpy( mat.opacity, buffer );
- }
-
- *pMat = mat;
-}
-
-static void LoadMeshMaterialGroup( FILE *fp, long thisChunkLen, _3DSMeshMaterialGroup_t *pMMG )
-{
- _3DSMeshMaterialGroup_t mmg;
-
- memset( &mmg, 0, sizeof( mmg ) );
-
- ReadString( fp, mmg.name );
-
- fread( &mmg.numFaces, sizeof( mmg.numFaces ), 1, fp );
- mmg.pFaces = malloc( sizeof( mmg.pFaces[0] ) * mmg.numFaces );
- fread( mmg.pFaces, sizeof( mmg.pFaces[0] ), mmg.numFaces, fp );
-
- if ( s_verbose )
- {
- printf( " >>> MESH MATERIAL GROUP '%s' (%d faces)\n", mmg.name, mmg.numFaces );
-
- {
- int i;
-
- for ( i = 0; i < mmg.numFaces; i++ )
- {
- printf( " %d\n", mmg.pFaces[i] );
- }
- }
- }
-
- *pMMG = mmg;
-}
-
-static void LoadNamedTriObject( FILE *fp, long thisChunkLen, _3DSTriObject_t *pTO )
-{
- long chunkLen;
- unsigned short chunkID;
- int i = 0;
- long bytesRead = 0;
- _3DSTriObject_t triObj;
- _3DSMeshMaterialGroup_t meshMaterialGroups[MAX_MESH_MATERIAL_GROUPS];
- int numMeshMaterialGroups = 0;
-
- memset( &triObj, 0, sizeof( triObj ) );
-
- if ( s_verbose )
- printf( " >>> NAMED TRI OBJECT\n" );
-
- while ( ReadChunkAndLength( fp, &chunkID, &chunkLen ) )
- {
- switch ( chunkID )
- {
- case _3DS_CHUNK_MSH_MAT_GROUP:
- LoadMeshMaterialGroup( fp, chunkLen - 6, &meshMaterialGroups[numMeshMaterialGroups] );
- bytesRead += chunkLen;
- numMeshMaterialGroups++;
- break;
- case _3DS_CHUNK_FACE_ARRAY:
- fread( &triObj.numFaces, sizeof( triObj.numFaces ), 1, fp );
- assert( triObj.pFaces == 0 );
-
- triObj.pFaces = malloc( sizeof( triObj.pFaces[0] ) * triObj.numFaces );
- fread( triObj.pFaces, sizeof( triObj.pFaces[0] ), triObj.numFaces, fp );
- bytesRead += sizeof( triObj.numFaces ) + triObj.numFaces * sizeof( triObj.pFaces[0] ) + 6;
-
- if ( s_verbose )
- {
- printf( " found face array with %d faces\n", triObj.numFaces );
- for ( i = 0; i < triObj.numFaces; i++ )
- {
- printf( " %d: %d,%d,%d\n", i, triObj.pFaces[i].a, triObj.pFaces[i].b, triObj.pFaces[i].c );
- }
- }
-
- break;
- case _3DS_CHUNK_POINT_ARRAY:
- fread( &triObj.numPoints, sizeof( triObj.numPoints ), 1, fp );
- triObj.pPoints = malloc( sizeof( triObj.pPoints[0] ) * triObj.numPoints );
- fread( triObj.pPoints, sizeof( triObj.pPoints[0] ), triObj.numPoints, fp );
- bytesRead += sizeof( triObj.numPoints ) + triObj.numPoints * sizeof( triObj.pPoints[0] ) + 6;
-
- // flip points around into our coordinate system
- for ( i = 0; i < triObj.numPoints; i++ )
- {
- float x, y, z;
-
- x = triObj.pPoints[i].x;
- y = triObj.pPoints[i].y;
- z = triObj.pPoints[i].z;
-
- triObj.pPoints[i].x = -y;
- triObj.pPoints[i].y = x;
- triObj.pPoints[i].z = z;
- }
-
- if ( s_verbose )
- {
- printf( " found point array with %d points\n", triObj.numPoints );
- for ( i = 0; i < triObj.numPoints; i++ )
- {
- printf( " %d: %f,%f,%f\n", i, triObj.pPoints[i].x, triObj.pPoints[i].y, triObj.pPoints[i].z );
- }
- }
- break;
- case _3DS_CHUNK_TEX_VERTS:
- fread( &triObj.numTexVerts, sizeof( triObj.numTexVerts ), 1, fp );
- triObj.pTexVerts = malloc( sizeof( triObj.pTexVerts[0] ) * triObj.numTexVerts );
- fread( triObj.pTexVerts, sizeof( triObj.pTexVerts[0] ), triObj.numTexVerts, fp );
- bytesRead += sizeof( triObj.numTexVerts ) + sizeof( triObj.pTexVerts[0] ) * triObj.numTexVerts + 6;
-
- if ( s_verbose )
- {
- printf( " found tex vert array with %d tex verts\n", triObj.numTexVerts );
- for ( i = 0; i < triObj.numTexVerts; i++ )
- {
- printf( " %d: %f,%f\n", i, triObj.pTexVerts[i].s, triObj.pTexVerts[i].t );
- }
- }
- break;
- default:
- fread( s_buffer, chunkLen - 6, 1, fp );
- bytesRead += chunkLen;
- break;
- }
-
- if ( bytesRead >= thisChunkLen )
- break;
- }
- *pTO = triObj;
-
- if ( numMeshMaterialGroups == 0 )
- {
- numMeshMaterialGroups = 1;
- strcpy( meshMaterialGroups[0].name, "(null)" );
- if ( pTO->numTexVerts ) {
- printf( "Warning: assigning (null) skin to tri object\n" );
- }
- }
- else
- {
- assert( pTO->numFaces == meshMaterialGroups[0].numFaces );
- }
-
- pTO->pMeshMaterialGroups = malloc( sizeof( _3DSMeshMaterialGroup_t ) * numMeshMaterialGroups );
- memcpy( pTO->pMeshMaterialGroups, meshMaterialGroups, numMeshMaterialGroups * sizeof( meshMaterialGroups[0] ) );
- pTO->numMeshMaterialGroups = numMeshMaterialGroups;
-
- //
- // sanity checks
- //
- assert( numMeshMaterialGroups <= 1 );
-}
-
-static void LoadNamedObject( FILE *fp, long thisChunkLen, _3DSNamedObject_t *pNO )
-{
- long chunkLen;
- unsigned short chunkID;
- int i = 0;
- long bytesRead = 0;
- char name[100];
- _3DSTriObject_t triObj[MAX_TRI_OBJECTS];
- int numTriObjects = 0;
-
- memset( triObj, 0, sizeof( triObj ) );
-
- bytesRead += ReadString( fp, name );
-
- if ( s_verbose )
- printf( " >>> NAMED OBJECT '%s'\n", name );
-
- while ( ReadChunkAndLength( fp, &chunkID, &chunkLen ) )
- {
- switch ( chunkID )
- {
- case _3DS_CHUNK_NAMED_TRI_OBJECT:
- LoadNamedTriObject( fp, chunkLen - 6, &triObj[numTriObjects] );
- numTriObjects++;
- break;
- default:
- fread( s_buffer, chunkLen - 6, 1, fp );
- break;
- }
-
- bytesRead += chunkLen;
-
- if ( bytesRead >= thisChunkLen )
- break;
- }
-
- strcpy( pNO->name, name );
- pNO->pTriObjects = malloc( sizeof( _3DSTriObject_t ) * numTriObjects );
- memcpy( pNO->pTriObjects, triObj, sizeof( triObj[0] ) * numTriObjects );
- pNO->numTriObjects = numTriObjects;
-
- assert( numTriObjects <= 1 );
-}
-
-static void LoadEditChunk( FILE *fp, long thisChunkLen, _3DSEditChunk_t *pEC )
-{
- unsigned short chunkID;
- long chunkLen;
- long bytesRead = 0;
- _3DSEditChunk_t editChunk;
-
- _3DSMaterial_t mat[MAX_MATERIALS];
- _3DSNamedObject_t namedObjects[MAX_NAMED_OBJECTS];
-
- int numMaterials = 0, numNamedObjects = 0;
-
- memset( &editChunk, 0, sizeof( editChunk ) );
-
- if ( s_verbose )
- printf( ">>> EDIT CHUNK\n" );
-
- while ( ReadChunkAndLength( fp, &chunkID, &chunkLen ) )
- {
- switch ( chunkID )
- {
- case _3DS_CHUNK_MAT_LIST:
- LoadMaterialList( fp, chunkLen - 6, &mat[numMaterials] );
- numMaterials++;
- break;
- case _3DS_CHUNK_NAMED_OBJECT:
- LoadNamedObject( fp, chunkLen - 6, &namedObjects[numNamedObjects] );
- if ( namedObjects[numNamedObjects].numTriObjects != 0 )
- ++numNamedObjects;
- break;
- case _3DS_CHUNK_MESH_VERSION:
- default:
- fread( s_buffer, chunkLen - 6, 1, fp );
- break;
- }
-
- bytesRead += chunkLen;
-
- if ( bytesRead >= thisChunkLen )
- break;
- }
-
- if ( numMaterials == 0 )
- {
- numMaterials = 1;
- strcpy( mat[0].name, "(null)" );
- printf( "Warning: no material definitions found\n" );
- }
-
- pEC->numNamedObjects = numNamedObjects;
-
- pEC->pMaterials = malloc( sizeof( _3DSMaterial_t ) * numMaterials );
- pEC->pNamedObjects = malloc( sizeof( _3DSNamedObject_t ) * numNamedObjects );
-
- memcpy( pEC->pMaterials, mat, numMaterials * sizeof( mat[0] ) );
- memcpy( pEC->pNamedObjects, namedObjects, numNamedObjects * sizeof( namedObjects[0] ) );
-}
-
-static void Load3DS( const char *filename, _3DS_t *p3DS, qboolean verbose )
-{
- FILE *fp;
- unsigned short chunkID;
- long chunkLen;
- _3DSEditChunk_t editChunk;
-
- s_verbose = verbose;
-
- if ( ( fp = fopen( filename, "rb" ) ) == 0 )
- Error( "Unable to open '%s'", filename );
-
- // read magic number
- if ( ( fread( &chunkID, sizeof( short ), 1, fp ) != 1 ) ||
- ( LittleShort( chunkID ) != _3DS_CHUNK_MAGIC ) )
- {
- Error( "Missing or incorrect magic number in '%s'", filename );
- }
- if ( fread( &chunkLen, sizeof( chunkLen ), 1, fp ) != 1 )
- Error( "Unexpected EOF encountered in '%s'", filename );
- // version number
- if ( !ReadChunkAndLength( fp, &chunkID, &chunkLen ) )
- Error( "Missing version number in '%s'", filename );
- if ( fread( s_buffer, chunkLen - 6, 1, fp ) != 1 )
- Error( "Unexpected EOF encountered in '%s'", filename );
-
- while ( ReadChunkAndLength( fp, &chunkID, &chunkLen ) )
- {
- switch ( chunkID )
- {
- case _3DS_CHUNK_EDIT:
- LoadEditChunk( fp, chunkLen - 6, &editChunk );
- break;
- case _3DS_CHUNK_KEYFRAME_DATA:
- fread( s_buffer, chunkLen - 6, 1, fp );
- break;
- default:
- fread( s_buffer, chunkLen - 6, 1, fp );
- break;
- }
- }
-
- fclose( fp );
-
- p3DS->editChunk = editChunk;
-}
-
-static void ComputeNormals( _3DSTriObject_t *pTO, triangle_t *pTris )
-{
- vec3_t faceNormals[POLYSET_MAXTRIANGLES];
- vec3_t vertexNormals[POLYSET_MAXTRIANGLES*3];
- vec3_t side0, side1, facenormal;
- int f, v;
-
- memset( faceNormals, 0, sizeof( faceNormals ) );
- memset( vertexNormals, 0, sizeof( vertexNormals ) );
-
- //
- // compute face normals
- //
- for ( f = 0; f < pTO->numFaces; f++ )
- {
- VectorSubtract( pTris[f].verts[0], pTris[f].verts[1], side0 );
- VectorSubtract( pTris[f].verts[2], pTris[f].verts[1], side1 );
-
- CrossProduct( side0, side1, facenormal );
- VectorNormalize( facenormal, faceNormals[f] );
- }
-
- //
- // sum vertex normals
- //
- for ( v = 0; v < pTO->numPoints; v++ )
- {
- for ( f = 0; f < pTO->numFaces; f++ )
- {
- if ( ( pTO->pFaces[f].a == v ) ||
- ( pTO->pFaces[f].b == v ) ||
- ( pTO->pFaces[f].c == v ) )
- {
- vertexNormals[v][0] += faceNormals[f][0];
- vertexNormals[v][1] += faceNormals[f][1];
- vertexNormals[v][2] += faceNormals[f][2];
- }
- }
-
- VectorNormalize( vertexNormals[v], vertexNormals[v] );
- }
-
- //
- // copy vertex normals into triangles
- //
- for ( f = 0; f < pTO->numFaces; f++ )
- {
- int i0 = pTO->pFaces[f].c;
- int i1 = pTO->pFaces[f].b;
- int i2 = pTO->pFaces[f].a;
-
- VectorCopy( vertexNormals[i0], pTris[f].normals[0] );
- VectorCopy( vertexNormals[i1], pTris[f].normals[1] );
- VectorCopy( vertexNormals[i2], pTris[f].normals[2] );
- }
-}
-
-/*
-** void _3DS_LoadPolysets
-*/
-void _3DS_LoadPolysets( const char *filename, polyset_t **ppPSET, int *numpsets, qboolean verbose )
-{
- _3DS_t _3ds;
- int numPolysets;
- polyset_t *pPSET;
- triangle_t *ptri, *triangles;
- int i;
-
- // load the 3DS
- memset( &_3ds, 0, sizeof( _3ds ) );
- Load3DS( filename, &_3ds, verbose );
-
- // compute information
- numPolysets = _3ds.editChunk.numNamedObjects;
-
- // allocate memory
- pPSET = calloc( 1, numPolysets * sizeof( polyset_t ) );
- triangles = ptri = calloc( 1, POLYSET_MAXTRIANGLES * sizeof( triangle_t ) );
-
- // copy the data over
- for ( i = 0; i < numPolysets; i++ )
- {
- char matnamebuf[1024];
- int j;
- triangle_t *tri;
- _3DSTriObject_t *pTO = &_3ds.editChunk.pNamedObjects[i].pTriObjects[0];
-
- pPSET[i].triangles = ptri;
- pPSET[i].numtriangles = pTO->numFaces;
- strcpy( pPSET[i].name, _3ds.editChunk.pNamedObjects[i].name );
-
- strcpy( matnamebuf, filename );
- if ( strrchr( matnamebuf, '/' ) )
- *( strrchr( matnamebuf, '/' ) + 1 )= 0;
- strcat( matnamebuf, pTO->pMeshMaterialGroups[0].name );
-
- if ( strstr( matnamebuf, gamedir ) )
- strcpy( pPSET[i].materialname, strstr( matnamebuf, gamedir ) + strlen( gamedir ) );
- else
- strcpy( pPSET[i].materialname, pTO->pMeshMaterialGroups[0].name );
-
- assert( pPSET[i].numtriangles < POLYSET_MAXTRIANGLES );
-
- for ( tri = ptri, j = 0; j < pPSET[i].numtriangles; j++ )
- {
- int i0 = pTO->pFaces[j].c;
- int i1 = pTO->pFaces[j].b;
- int i2 = pTO->pFaces[j].a;
-
- tri->verts[0][0] = pTO->pPoints[i0].x;
- tri->verts[0][1] = pTO->pPoints[i0].y;
- tri->verts[0][2] = pTO->pPoints[i0].z;
-
- tri->verts[1][0] = pTO->pPoints[i1].x;
- tri->verts[1][1] = pTO->pPoints[i1].y;
- tri->verts[1][2] = pTO->pPoints[i1].z;
-
- tri->verts[2][0] = pTO->pPoints[i2].x;
- tri->verts[2][1] = pTO->pPoints[i2].y;
- tri->verts[2][2] = pTO->pPoints[i2].z;
-/*
- for ( k = 0; k < 3; k++ )
- {
- tri->colors[0][k] = 1;
- tri->colors[1][k] = 1;
- tri->colors[2][k] = 1;
- }
-*/
-
- if ( pTO->pTexVerts )
- {
- tri->texcoords[0][0] = pTO->pTexVerts[i0].s;
- tri->texcoords[0][1] = 1.0f - pTO->pTexVerts[i0].t;
- tri->texcoords[1][0] = pTO->pTexVerts[i1].s;
- tri->texcoords[1][1] = 1.0f - pTO->pTexVerts[i1].t;
- tri->texcoords[2][0] = pTO->pTexVerts[i2].s;
- tri->texcoords[2][1] = 1.0f - pTO->pTexVerts[i2].t;
- }
-
- tri++;
- }
-
- ptri += pPSET[i].numtriangles;
- assert( ptri - triangles < POLYSET_MAXTRIANGLES );
- }
-
- // compute normal data
-#if 0
- for ( i = 0; i < numPolysets; i++ )
- {
- // unique vertices based solely on vertex position
- ComputeNormals( &_3ds.editChunk.pNamedObjects[i].pTriObjects[0],
- pPSET[i].triangles );
- }
-#endif
-
- free( _3ds.editChunk.pMaterials );
- free( _3ds.editChunk.pNamedObjects );
-
- *ppPSET = pPSET;
- *numpsets = numPolysets;
-}
projects / voretournament / voretournament.git / blobdiff