/*
-Copyright (C) 1999-2007 id Software, Inc. and contributors.
-For a list of contributors, see the accompanying CONTRIBUTORS file.
+ Copyright (C) 1999-2007 id Software, Inc. and contributors.
+ For a list of contributors, see the accompanying CONTRIBUTORS file.
-This file is part of GtkRadiant.
+ 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 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.
+ 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
-*/
+ 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
+ */
//
// l3dslib.c: library for loading triangles from an Alias triangle file
//
#define TRI_VERTEXL 0x4110
#define TRI_FACEL1 0x4120
-#define MAXVERTS 2000
+#define MAXVERTS 2000
typedef struct {
- int v[4];
+ int v[4];
} tri;
-float fverts[MAXVERTS][3];
-tri tris[MAXTRIANGLES];
+float fverts[MAXVERTS][3];
+tri tris[MAXTRIANGLES];
-int bytesread, level, numtris, totaltris;
-int vertsfound, trisfound;
+int bytesread, level, numtris, totaltris;
+int vertsfound, trisfound;
-triangle_t *ptri;
+triangle_t *ptri;
// Alias stores triangles as 3 explicit vertices in .tri files, so even though we
// start out with a vertex pool and vertex indices for triangles, we have to convert
// to raw, explicit triangles
-void StoreAliasTriangles (void)
-{
- int i, j, k;
+void StoreAliasTriangles( void ){
+ int i, j, k;
- if ((totaltris + numtris) > MAXTRIANGLES)
- Error ("Error: Too many triangles");
+ if ( ( totaltris + numtris ) > MAXTRIANGLES ) {
+ Error( "Error: Too many triangles" );
+ }
- for (i=0; i<numtris ; i++)
+ for ( i = 0; i < numtris ; i++ )
{
- for (j=0 ; j<3 ; j++)
+ for ( j = 0 ; j < 3 ; j++ )
{
- for (k=0 ; k<3 ; k++)
+ for ( k = 0 ; k < 3 ; k++ )
{
- ptri[i+totaltris].verts[j][k] = fverts[tris[i].v[j]][k];
+ ptri[i + totaltris].verts[j][k] = fverts[tris[i].v[j]][k];
}
}
}
-
+
totaltris += numtris;
numtris = 0;
vertsfound = 0;
}
-int ParseVertexL (FILE *input)
-{
- int i, j, startbytesread, numverts;
- unsigned short tshort;
+int ParseVertexL( FILE *input ){
+ int i, j, startbytesread, numverts;
+ unsigned short tshort;
- if (vertsfound)
- Error ("Error: Multiple vertex chunks");
+ if ( vertsfound ) {
+ Error( "Error: Multiple vertex chunks" );
+ }
vertsfound = 1;
startbytesread = bytesread;
- if (feof(input))
- Error ("Error: unexpected end of file");
+ if ( feof( input ) ) {
+ Error( "Error: unexpected end of file" );
+ }
- fread(&tshort, sizeof(tshort), 1, input);
- bytesread += sizeof(tshort);
+ fread( &tshort, sizeof( tshort ), 1, input );
+ bytesread += sizeof( tshort );
numverts = (int)tshort;
- if (numverts > MAXVERTS)
- Error ("Error: Too many vertices");
+ if ( numverts > MAXVERTS ) {
+ Error( "Error: Too many vertices" );
+ }
- for (i=0 ; i<numverts ; i++)
+ for ( i = 0 ; i < numverts ; i++ )
{
- for (j=0 ; j<3 ; j++)
+ for ( j = 0 ; j < 3 ; j++ )
{
- if (feof(input))
- Error ("Error: unexpected end of file");
+ if ( feof( input ) ) {
+ Error( "Error: unexpected end of file" );
+ }
- fread(&fverts[i][j], sizeof(float), 1, input);
- bytesread += sizeof(float);
+ fread( &fverts[i][j], sizeof( float ), 1, input );
+ bytesread += sizeof( float );
}
}
- if (vertsfound && trisfound)
- StoreAliasTriangles ();
+ if ( vertsfound && trisfound ) {
+ StoreAliasTriangles();
+ }
return bytesread - startbytesread;
}
-int ParseFaceL1 (FILE *input)
-{
+int ParseFaceL1( FILE *input ){
- int i, j, startbytesread;
- unsigned short tshort;
+ int i, j, startbytesread;
+ unsigned short tshort;
- if (trisfound)
- Error ("Error: Multiple face chunks");
+ if ( trisfound ) {
+ Error( "Error: Multiple face chunks" );
+ }
trisfound = 1;
startbytesread = bytesread;
- if (feof(input))
- Error ("Error: unexpected end of file");
+ if ( feof( input ) ) {
+ Error( "Error: unexpected end of file" );
+ }
- fread(&tshort, sizeof(tshort), 1, input);
- bytesread += sizeof(tshort);
+ fread( &tshort, sizeof( tshort ), 1, input );
+ bytesread += sizeof( tshort );
numtris = (int)tshort;
- if (numtris > MAXTRIANGLES)
- Error ("Error: Too many triangles");
+ if ( numtris > MAXTRIANGLES ) {
+ Error( "Error: Too many triangles" );
+ }
- for (i=0 ; i<numtris ; i++)
+ for ( i = 0 ; i < numtris ; i++ )
{
- for (j=0 ; j<4 ; j++)
+ for ( j = 0 ; j < 4 ; j++ )
{
- if (feof(input))
- Error ("Error: unexpected end of file");
+ if ( feof( input ) ) {
+ Error( "Error: unexpected end of file" );
+ }
- fread(&tshort, sizeof(tshort), 1, input);
- bytesread += sizeof(tshort);
+ fread( &tshort, sizeof( tshort ), 1, input );
+ bytesread += sizeof( tshort );
tris[i].v[j] = (int)tshort;
}
}
- if (vertsfound && trisfound)
- StoreAliasTriangles ();
+ if ( vertsfound && trisfound ) {
+ StoreAliasTriangles();
+ }
return bytesread - startbytesread;
}
-int ParseChunk (FILE *input)
-{
-#define BLOCK_SIZE 4096
- char temp[BLOCK_SIZE];
- unsigned short type;
- int i, length, w, t, retval;
+int ParseChunk( FILE *input ){
+#define BLOCK_SIZE 4096
+ char temp[BLOCK_SIZE];
+ unsigned short type;
+ int i, length, w, t, retval;
level++;
retval = 0;
// chunk type
- if (feof(input))
- Error ("Error: unexpected end of file");
+ if ( feof( input ) ) {
+ Error( "Error: unexpected end of file" );
+ }
- fread(&type, sizeof(type), 1, input);
- bytesread += sizeof(type);
+ fread( &type, sizeof( type ), 1, input );
+ bytesread += sizeof( type );
// chunk length
- if (feof(input))
- Error ("Error: unexpected end of file");
+ if ( feof( input ) ) {
+ Error( "Error: unexpected end of file" );
+ }
- fread (&length, sizeof(length), 1, input);
- bytesread += sizeof(length);
+ fread( &length, sizeof( length ), 1, input );
+ bytesread += sizeof( length );
w = length - 6;
// process chunk if we care about it, otherwise skip it
- switch (type)
+ switch ( type )
{
case TRI_VERTEXL:
- w -= ParseVertexL (input);
+ w -= ParseVertexL( input );
goto ParseSubchunk;
case TRI_FACEL1:
- w -= ParseFaceL1 (input);
+ w -= ParseFaceL1( input );
goto ParseSubchunk;
case EDIT_OBJECT:
- // read the name
+ // read the name
i = 0;
do
{
- if (feof(input))
- Error ("Error: unexpected end of file");
+ if ( feof( input ) ) {
+ Error( "Error: unexpected end of file" );
+ }
- fread (&temp[i], 1, 1, input);
+ fread( &temp[i], 1, 1, input );
i++;
w--;
bytesread++;
- } while (temp[i-1]);
+ } while ( temp[i - 1] );
case MAIN3DS:
case OBJ_TRIMESH:
case EDIT3DS:
- // parse through subchunks
+ // parse through subchunks
ParseSubchunk:
- while (w > 0)
+ while ( w > 0 )
{
- w -= ParseChunk (input);
+ w -= ParseChunk( input );
}
retval = length;
goto Done;
default:
- // skip other chunks
- while (w > 0)
+ // skip other chunks
+ while ( w > 0 )
{
t = w;
- if (t > BLOCK_SIZE)
+ if ( t > BLOCK_SIZE ) {
t = BLOCK_SIZE;
+ }
- if (feof(input))
- Error ("Error: unexpected end of file");
+ if ( feof( input ) ) {
+ Error( "Error: unexpected end of file" );
+ }
- fread (&temp, t, 1, input);
+ fread( &temp, t, 1, input );
bytesread += t;
w -= t;
}
-void Load3DSTriangleList (char *filename, triangle_t **pptri, int *numtriangles)
-{
+void Load3DSTriangleList( char *filename, triangle_t **pptri, int *numtriangles ){
FILE *input;
- short int tshort;
+ short int tshort;
bytesread = 0;
level = 0;
vertsfound = 0;
trisfound = 0;
- if ((input = fopen(filename, "rb")) == 0) {
- fprintf(stderr,"reader: could not open file '%s'\n", filename);
- exit(0);
+ if ( ( input = fopen( filename, "rb" ) ) == 0 ) {
+ fprintf( stderr,"reader: could not open file '%s'\n", filename );
+ exit( 0 );
}
- fread(&tshort, sizeof(tshort), 1, input);
+ fread( &tshort, sizeof( tshort ), 1, input );
// should only be MAIN3DS, but some files seem to start with EDIT3DS, with
// no MAIN3DS
- if ((tshort != MAIN3DS) && (tshort != EDIT3DS)) {
- fprintf(stderr,"File is not a 3DS file.\n");
- exit(0);
+ if ( ( tshort != MAIN3DS ) && ( tshort != EDIT3DS ) ) {
+ fprintf( stderr,"File is not a 3DS file.\n" );
+ exit( 0 );
}
// back to top of file so we can parse the first chunk descriptor
- fseek(input, 0, SEEK_SET);
+ fseek( input, 0, SEEK_SET );
- ptri = malloc (MAXTRIANGLES * sizeof(triangle_t));
+ ptri = malloc( MAXTRIANGLES * sizeof( triangle_t ) );
*pptri = ptri;
// parse through looking for the relevant chunk tree (MAIN3DS | EDIT3DS | EDIT_OBJECT |
// OBJ_TRIMESH | {TRI_VERTEXL, TRI_FACEL1}) and skipping other chunks
- ParseChunk (input);
+ ParseChunk( input );
- if (vertsfound || trisfound)
- Error ("Incomplete triangle set");
+ if ( vertsfound || trisfound ) {
+ Error( "Incomplete triangle set" );
+ }
*numtriangles = totaltris;
- fclose (input);
+ fclose( input );
}
-
projects / xonotic / netradiant.git / blobdiff