aselib.c

来自「quake3工具源码。包括生成bsp文件」· C语言 代码 · 共 913 行 · 第 1/2 页

	if ( !strcmp( token, "*MATERIAL_COUNT" ) )
	{
		ASE_GetToken( qfalse );
		VERBOSE( ( "..num materials: %s\n", s_token ) );
		if ( atoi( s_token ) > MAX_ASE_MATERIALS )
		{
			Error( "Too many materials!" );
		}
		ase.numMaterials = 0;
	}
	else if ( !strcmp( token, "*MATERIAL" ) )
	{
		VERBOSE( ( "..material %d ", ase.numMaterials ) );
		ASE_ParseBracedBlock( ASE_KeyMATERIAL );
		ase.numMaterials++;
	}
}

static void ASE_KeyMESH_VERTEX_LIST( const char *token )
{
	aseMesh_t *pMesh = ASE_GetCurrentMesh();

	if ( !strcmp( token, "*MESH_VERTEX" ) )
	{
		ASE_GetToken( qfalse );		// skip number

		ASE_GetToken( qfalse );
		pMesh->vertexes[pMesh->currentVertex].y = atof( s_token );

		ASE_GetToken( qfalse );
		pMesh->vertexes[pMesh->currentVertex].x = -atof( s_token );

		ASE_GetToken( qfalse );
		pMesh->vertexes[pMesh->currentVertex].z = atof( s_token );

		pMesh->currentVertex++;

		if ( pMesh->currentVertex > pMesh->numVertexes )
		{
			Error( "pMesh->currentVertex >= pMesh->numVertexes" );
		}
	}
	else
	{
		Error( "Unknown token '%s' while parsing MESH_VERTEX_LIST", token );
	}
}

static void ASE_KeyMESH_FACE_LIST( const char *token )
{
	aseMesh_t *pMesh = ASE_GetCurrentMesh();

	if ( !strcmp( token, "*MESH_FACE" ) )
	{
		ASE_GetToken( qfalse );	// skip face number

		ASE_GetToken( qfalse );	// skip label
		ASE_GetToken( qfalse );	// first vertex
		pMesh->faces[pMesh->currentFace][0] = atoi( s_token );

		ASE_GetToken( qfalse );	// skip label
		ASE_GetToken( qfalse );	// second vertex
		pMesh->faces[pMesh->currentFace][2] = atoi( s_token );

		ASE_GetToken( qfalse );	// skip label
		ASE_GetToken( qfalse );	// third vertex
		pMesh->faces[pMesh->currentFace][1] = atoi( s_token );

		ASE_GetToken( qtrue );

/*
		if ( ( p = strstr( s_token, "*MESH_MTLID" ) ) != 0 )
		{
			p += strlen( "*MESH_MTLID" ) + 1;
			mtlID = atoi( p );
		}
		else
		{
			Error( "No *MESH_MTLID found for face!" );
		}
*/

		pMesh->currentFace++;
	}
	else
	{
		Error( "Unknown token '%s' while parsing MESH_FACE_LIST", token );
	}
}

static void ASE_KeyTFACE_LIST( const char *token )
{
	aseMesh_t *pMesh = ASE_GetCurrentMesh();

	if ( !strcmp( token, "*MESH_TFACE" ) )
	{
		int a, b, c;

		ASE_GetToken( qfalse );

		ASE_GetToken( qfalse );
		a = atoi( s_token );
		ASE_GetToken( qfalse );
		c = atoi( s_token );
		ASE_GetToken( qfalse );
		b = atoi( s_token );

		pMesh->tfaces[pMesh->currentFace][0] = a;
		pMesh->tfaces[pMesh->currentFace][1] = b;
		pMesh->tfaces[pMesh->currentFace][2] = c;

		pMesh->currentFace++;
	}
	else
	{
		Error( "Unknown token '%s' in MESH_TFACE", token );
	}
}

static void ASE_KeyMESH_TVERTLIST( const char *token )
{
	aseMesh_t *pMesh = ASE_GetCurrentMesh();

	if ( !strcmp( token, "*MESH_TVERT" ) )
	{
		char u[80], v[80], w[80];

		ASE_GetToken( qfalse );

		ASE_GetToken( qfalse );
		strcpy( u, s_token );

		ASE_GetToken( qfalse );
		strcpy( v, s_token );

		ASE_GetToken( qfalse );
		strcpy( w, s_token );

		pMesh->tvertexes[pMesh->currentVertex].s = atof( u );
		pMesh->tvertexes[pMesh->currentVertex].t = 1.0f - atof( v );

		pMesh->currentVertex++;

		if ( pMesh->currentVertex > pMesh->numTVertexes )
		{
			Error( "pMesh->currentVertex > pMesh->numTVertexes" );
		}
	}
	else
	{
		Error( "Unknown token '%s' while parsing MESH_TVERTLIST" );
	}
}

static void ASE_KeyMESH( const char *token )
{
	aseMesh_t *pMesh = ASE_GetCurrentMesh();

	if ( !strcmp( token, "*TIMEVALUE" ) )
	{
		ASE_GetToken( qfalse );

		pMesh->timeValue = atoi( s_token );
		VERBOSE( ( ".....timevalue: %d\n", pMesh->timeValue ) );
	}
	else if ( !strcmp( token, "*MESH_NUMVERTEX" ) )
	{
		ASE_GetToken( qfalse );

		pMesh->numVertexes = atoi( s_token );
		VERBOSE( ( ".....TIMEVALUE: %d\n", pMesh->timeValue ) );
		VERBOSE( ( ".....num vertexes: %d\n", pMesh->numVertexes ) );
	}
	else if ( !strcmp( token, "*MESH_NUMFACES" ) )
	{
		ASE_GetToken( qfalse );

		pMesh->numFaces = atoi( s_token );
		VERBOSE( ( ".....num faces: %d\n", pMesh->numFaces ) );
	}
	else if ( !strcmp( token, "*MESH_NUMTVFACES" ) )
	{
		ASE_GetToken( qfalse );

		if ( atoi( s_token ) != pMesh->numFaces )
		{
			Error( "MESH_NUMTVFACES != MESH_NUMFACES" );
		}
	}
	else if ( !strcmp( token, "*MESH_NUMTVERTEX" ) )
	{
		ASE_GetToken( qfalse );

		pMesh->numTVertexes = atoi( s_token );
		VERBOSE( ( ".....num tvertexes: %d\n", pMesh->numTVertexes ) );
	}
	else if ( !strcmp( token, "*MESH_VERTEX_LIST" ) )
	{
		pMesh->vertexes = calloc( sizeof( aseVertex_t ) * pMesh->numVertexes, 1 );
		pMesh->currentVertex = 0;
		VERBOSE( ( ".....parsing MESH_VERTEX_LIST\n" ) );
		ASE_ParseBracedBlock( ASE_KeyMESH_VERTEX_LIST );
	}
	else if ( !strcmp( token, "*MESH_TVERTLIST" ) )
	{
		pMesh->currentVertex = 0;
		pMesh->tvertexes = calloc( sizeof( aseTVertex_t ) * pMesh->numTVertexes, 1 );
		VERBOSE( ( ".....parsing MESH_TVERTLIST\n" ) );
		ASE_ParseBracedBlock( ASE_KeyMESH_TVERTLIST );
	}
	else if ( !strcmp( token, "*MESH_FACE_LIST" ) )
	{
		pMesh->faces = calloc( sizeof( aseFace_t ) * pMesh->numFaces, 1 );
		pMesh->currentFace = 0;
		VERBOSE( ( ".....parsing MESH_FACE_LIST\n" ) );
		ASE_ParseBracedBlock( ASE_KeyMESH_FACE_LIST );
	}
	else if ( !strcmp( token, "*MESH_TFACELIST" ) )
	{
		pMesh->tfaces = calloc( sizeof( aseFace_t ) * pMesh->numFaces, 1 );
		pMesh->currentFace = 0;
		VERBOSE( ( ".....parsing MESH_TFACE_LIST\n" ) );
		ASE_ParseBracedBlock( ASE_KeyTFACE_LIST );
	}
	else if ( !strcmp( token, "*MESH_NORMALS" ) )
	{
		ASE_ParseBracedBlock( 0 );
	}
}

static void ASE_KeyMESH_ANIMATION( const char *token )
{
	aseMesh_t *pMesh = ASE_GetCurrentMesh();

	// loads a single animation frame
	if ( !strcmp( token, "*MESH" ) )
	{
		VERBOSE( ( "...found MESH\n" ) );
		assert( pMesh->faces == 0 );
		assert( pMesh->vertexes == 0 );
		assert( pMesh->tvertexes == 0 );
		memset( pMesh, 0, sizeof( *pMesh ) );

		ASE_ParseBracedBlock( ASE_KeyMESH );

		if ( ++ase.objects[ase.currentObject].anim.currentFrame == MAX_ASE_ANIMATION_FRAMES )
		{
			Error( "Too many animation frames" );
		}
	}
	else
	{
		Error( "Unknown token '%s' while parsing MESH_ANIMATION", token );
	}
}

static void ASE_KeyGEOMOBJECT( const char *token )
{
	if ( !strcmp( token, "*NODE_NAME" ) )
	{
		char *name = ase.objects[ase.currentObject].name;

		ASE_GetToken( qtrue );
		VERBOSE( ( " %s\n", s_token ) );
		strcpy( ase.objects[ase.currentObject].name, s_token + 1 );
		if ( strchr( ase.objects[ase.currentObject].name, '"' ) )
			*strchr( ase.objects[ase.currentObject].name, '"' ) = 0;

		if ( strstr( name, "tag" ) == name )
		{
			while ( strchr( name, '_' ) != strrchr( name, '_' ) )
			{
				*strrchr( name, '_' ) = 0;
			}
			while ( strrchr( name, ' ' ) )
			{
				*strrchr( name, ' ' ) = 0;
			}
		}
	}
	else if ( !strcmp( token, "*NODE_PARENT" ) )
	{
		ASE_SkipRestOfLine();
	}
	// ignore unused data blocks
	else if ( !strcmp( token, "*NODE_TM" ) ||
		      !strcmp( token, "*TM_ANIMATION" ) )
	{
		ASE_ParseBracedBlock( 0 );
	}
	// ignore regular meshes that aren't part of animation
	else if ( !strcmp( token, "*MESH" ) && !ase.grabAnims )
	{
/*
		if ( strstr( ase.objects[ase.currentObject].name, "tag_" ) == ase.objects[ase.currentObject].name ) 
		{
			s_forceStaticMesh = true;
			ASE_ParseBracedBlock( ASE_KeyMESH );
			s_forceStaticMesh = false;
		}
*/
		ASE_ParseBracedBlock( ASE_KeyMESH );
		if ( ++ase.objects[ase.currentObject].anim.currentFrame == MAX_ASE_ANIMATION_FRAMES )
		{
			Error( "Too many animation frames" );
		}
		ase.objects[ase.currentObject].anim.numFrames = ase.objects[ase.currentObject].anim.currentFrame;
		ase.objects[ase.currentObject].numAnimations++;
/*
		// ignore meshes that aren't part of animations if this object isn't a 
		// a tag
		else
		{
			ASE_ParseBracedBlock( 0 );
		}
*/
	}
	// according to spec these are obsolete
	else if ( !strcmp( token, "*MATERIAL_REF" ) )
	{
		ASE_GetToken( qfalse );

		ase.objects[ase.currentObject].materialRef = atoi( s_token );
	}
	// loads a sequence of animation frames
	else if ( !strcmp( token, "*MESH_ANIMATION" ) )
	{
		if ( ase.grabAnims )
		{
			VERBOSE( ( "..found MESH_ANIMATION\n" ) );

			if ( ase.objects[ase.currentObject].numAnimations )
			{
				Error( "Multiple MESH_ANIMATIONS within a single GEOM_OBJECT" );
			}
			ASE_ParseBracedBlock( ASE_KeyMESH_ANIMATION );
			ase.objects[ase.currentObject].anim.numFrames = ase.objects[ase.currentObject].anim.currentFrame;
			ase.objects[ase.currentObject].numAnimations++;
		}
		else
		{
			ASE_SkipEnclosingBraces();
		}
	}
	// skip unused info
	else if ( !strcmp( token, "*PROP_MOTIONBLUR" ) ||
		      !strcmp( token, "*PROP_CASTSHADOW" ) ||
			  !strcmp( token, "*PROP_RECVSHADOW" ) )
	{
		ASE_SkipRestOfLine();
	}
}

static void ConcatenateObjects( aseGeomObject_t *pObjA, aseGeomObject_t *pObjB )
{
}

static void CollapseObjects( void )
{
	int i;
	int numObjects = ase.currentObject;

	for ( i = 0; i < numObjects; i++ )
	{
		int j;

		// skip tags
		if ( strstr( ase.objects[i].name, "tag" ) == ase.objects[i].name )
		{
			continue;
		}

		if ( !ase.objects[i].numAnimations )
		{
			continue;
		}

		for ( j = i + 1; j < numObjects; j++ )
		{
			if ( strstr( ase.objects[j].name, "tag" ) == ase.objects[j].name )
			{
				continue;
			}
			if ( ase.objects[i].materialRef == ase.objects[j].materialRef )
			{
				if ( ase.objects[j].numAnimations )
				{
					ConcatenateObjects( &ase.objects[i], &ase.objects[j] );
				}
			}
		}
	}
}

/*
** ASE_Process
*/
static void ASE_Process( void )
{
	while ( ASE_GetToken( qfalse ) )
	{
		if ( !strcmp( s_token, "*3DSMAX_ASCIIEXPORT" ) ||
			 !strcmp( s_token, "*COMMENT" ) )
		{
			ASE_SkipRestOfLine();
		}
		else if ( !strcmp( s_token, "*SCENE" ) )
			ASE_SkipEnclosingBraces();
		else if ( !strcmp( s_token, "*MATERIAL_LIST" ) )
		{
			VERBOSE( ("MATERIAL_LIST\n") );

			ASE_ParseBracedBlock( ASE_KeyMATERIAL_LIST );
		}
		else if ( !strcmp( s_token, "*GEOMOBJECT" ) )
		{
			VERBOSE( ("GEOMOBJECT" ) );

			ASE_ParseBracedBlock( ASE_KeyGEOMOBJECT );

			if ( strstr( ase.objects[ase.currentObject].name, "Bip" ) ||
				 strstr( ase.objects[ase.currentObject].name, "ignore_" ) )
			{
				ASE_FreeGeomObject( ase.currentObject );
				VERBOSE( ( "(discarding BIP/ignore object)\n" ) );
			}
			else if ( ( strstr( ase.objects[ase.currentObject].name, "h_" ) != ase.objects[ase.currentObject].name ) &&
				      ( strstr( ase.objects[ase.currentObject].name, "l_" ) != ase.objects[ase.currentObject].name ) &&
					  ( strstr( ase.objects[ase.currentObject].name, "u_" ) != ase.objects[ase.currentObject].name ) &&
					  ( strstr( ase.objects[ase.currentObject].name, "tag" ) != ase.objects[ase.currentObject].name ) &&
					  ase.grabAnims )
			{
				VERBOSE( ( "(ignoring improperly labeled object '%s')\n", ase.objects[ase.currentObject].name ) );
				ASE_FreeGeomObject( ase.currentObject );
			}
			else
			{
				if ( ++ase.currentObject == MAX_ASE_OBJECTS )
				{
					Error( "Too many GEOMOBJECTs" );
				}
			}
		}
		else if ( s_token[0] )
		{
			printf( "Unknown token '%s'\n", s_token );
		}
	}

	if ( !ase.currentObject )
		Error( "No animation data!" );

	CollapseObjects();
}