gtkradiant/tools/quake3/q3map2/convert_map.c
2012-03-17 15:01:54 -05:00

460 lines
11 KiB
C

/* -------------------------------------------------------------------------------
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.
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
----------------------------------------------------------------------------------
This code has been altered significantly from its original form, to support
several games based on the Quake III Arena engine, in the form of "Q3Map2."
------------------------------------------------------------------------------- */
/* marker */
#define CONVERT_MAP_C
/* dependencies */
#include "q3map2.h"
/*
ConvertBrush()
exports a map brush
*/
#define SNAP_FLOAT_TO_INT 4
#define SNAP_INT_TO_FLOAT ( 1.0 / SNAP_FLOAT_TO_INT )
static void ConvertBrush( FILE *f, int num, bspBrush_t *brush, vec3_t origin ){
int i, j;
bspBrushSide_t *side;
side_t *buildSide;
bspShader_t *shader;
char *texture;
bspPlane_t *plane;
vec3_t pts[ 3 ];
/* start brush */
fprintf( f, "\t// brush %d\n", num );
fprintf( f, "\t{\n" );
/* clear out build brush */
for ( i = 0; i < buildBrush->numsides; i++ )
{
buildSide = &buildBrush->sides[ i ];
if ( buildSide->winding != NULL ) {
FreeWinding( buildSide->winding );
buildSide->winding = NULL;
}
}
buildBrush->numsides = 0;
/* iterate through bsp brush sides */
for ( i = 0; i < brush->numSides; i++ )
{
/* get side */
side = &bspBrushSides[ brush->firstSide + i ];
/* get shader */
if ( side->shaderNum < 0 || side->shaderNum >= numBSPShaders ) {
continue;
}
shader = &bspShaders[ side->shaderNum ];
if ( !Q_stricmp( shader->shader, "default" ) || !Q_stricmp( shader->shader, "noshader" ) ) {
continue;
}
/* get plane */
plane = &bspPlanes[ side->planeNum ];
/* add build side */
buildSide = &buildBrush->sides[ buildBrush->numsides ];
buildBrush->numsides++;
/* tag it */
buildSide->shaderInfo = ShaderInfoForShader( shader->shader );
buildSide->planenum = side->planeNum;
buildSide->winding = NULL;
}
/* make brush windings */
if ( !CreateBrushWindings( buildBrush ) ) {
return;
}
/* iterate through build brush sides */
for ( i = 0; i < buildBrush->numsides; i++ )
{
/* get build side */
buildSide = &buildBrush->sides[ i ];
/* dummy check */
if ( buildSide->shaderInfo == NULL || buildSide->winding == NULL ) {
continue;
}
/* get texture name */
if ( !Q_strncasecmp( buildSide->shaderInfo->shader, "textures/", 9 ) ) {
texture = buildSide->shaderInfo->shader + 9;
}
else{
texture = buildSide->shaderInfo->shader;
}
/* get plane points and offset by origin */
for ( j = 0; j < 3; j++ )
{
VectorAdd( buildSide->winding->p[ j ], origin, pts[ j ] );
//% pts[ j ][ 0 ] = SNAP_INT_TO_FLOAT * floor( pts[ j ][ 0 ] * SNAP_FLOAT_TO_INT + 0.5f );
//% pts[ j ][ 1 ] = SNAP_INT_TO_FLOAT * floor( pts[ j ][ 1 ] * SNAP_FLOAT_TO_INT + 0.5f );
//% pts[ j ][ 2 ] = SNAP_INT_TO_FLOAT * floor( pts[ j ][ 2 ] * SNAP_FLOAT_TO_INT + 0.5f );
}
/* print brush side */
/* ( 640 24 -224 ) ( 448 24 -224 ) ( 448 -232 -224 ) common/caulk 0 48 0 0.500000 0.500000 0 0 0 */
fprintf( f, "\t\t( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) %s 0 0 0 0.5 0.5 0 0 0\n",
pts[ 0 ][ 0 ], pts[ 0 ][ 1 ], pts[ 0 ][ 2 ],
pts[ 1 ][ 0 ], pts[ 1 ][ 1 ], pts[ 1 ][ 2 ],
pts[ 2 ][ 0 ], pts[ 2 ][ 1 ], pts[ 2 ][ 2 ],
texture );
}
/* end brush */
fprintf( f, "\t}\n\n" );
}
#if 0
/* iterate through the brush sides (ignore the first 6 bevel planes) */
for ( i = 0; i < brush->numSides; i++ )
{
/* get side */
side = &bspBrushSides[ brush->firstSide + i ];
/* get shader */
if ( side->shaderNum < 0 || side->shaderNum >= numBSPShaders ) {
continue;
}
shader = &bspShaders[ side->shaderNum ];
if ( !Q_stricmp( shader->shader, "default" ) || !Q_stricmp( shader->shader, "noshader" ) ) {
continue;
}
/* get texture name */
if ( !Q_strncasecmp( shader->shader, "textures/", 9 ) ) {
texture = shader->shader + 9;
}
else{
texture = shader->shader;
}
/* get plane */
plane = &bspPlanes[ side->planeNum ];
/* make plane points */
{
vec3_t vecs[ 2 ];
MakeNormalVectors( plane->normal, vecs[ 0 ], vecs[ 1 ] );
VectorMA( vec3_origin, plane->dist, plane->normal, pts[ 0 ] );
VectorMA( pts[ 0 ], 256.0f, vecs[ 0 ], pts[ 1 ] );
VectorMA( pts[ 0 ], 256.0f, vecs[ 1 ], pts[ 2 ] );
}
/* offset by origin */
for ( j = 0; j < 3; j++ )
VectorAdd( pts[ j ], origin, pts[ j ] );
/* print brush side */
/* ( 640 24 -224 ) ( 448 24 -224 ) ( 448 -232 -224 ) common/caulk 0 48 0 0.500000 0.500000 0 0 0 */
fprintf( f, "\t\t( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) ( %.3f %.3f %.3f ) %s 0 0 0 0.5 0.5 0 0 0\n",
pts[ 0 ][ 0 ], pts[ 0 ][ 1 ], pts[ 0 ][ 2 ],
pts[ 1 ][ 0 ], pts[ 1 ][ 1 ], pts[ 1 ][ 2 ],
pts[ 2 ][ 0 ], pts[ 2 ][ 1 ], pts[ 2 ][ 2 ],
texture );
}
#endif
/*
ConvertPatch()
converts a bsp patch to a map patch
{
patchDef2
{
base_wall/concrete
( 9 3 0 0 0 )
(
( ( 168 168 -192 0 2 ) ( 168 168 -64 0 1 ) ( 168 168 64 0 0 ) ... )
...
)
}
}
*/
static void ConvertPatch( FILE *f, int num, bspDrawSurface_t *ds, vec3_t origin ){
int x, y;
bspShader_t *shader;
char *texture;
bspDrawVert_t *dv;
vec3_t xyz;
/* only patches */
if ( ds->surfaceType != MST_PATCH ) {
return;
}
/* get shader */
if ( ds->shaderNum < 0 || ds->shaderNum >= numBSPShaders ) {
return;
}
shader = &bspShaders[ ds->shaderNum ];
/* get texture name */
if ( !Q_strncasecmp( shader->shader, "textures/", 9 ) ) {
texture = shader->shader + 9;
}
else{
texture = shader->shader;
}
/* start patch */
fprintf( f, "\t// patch %d\n", num );
fprintf( f, "\t{\n" );
fprintf( f, "\t\tpatchDef2\n" );
fprintf( f, "\t\t{\n" );
fprintf( f, "\t\t\t%s\n", texture );
fprintf( f, "\t\t\t( %d %d 0 0 0 )\n", ds->patchWidth, ds->patchHeight );
fprintf( f, "\t\t\t(\n" );
/* iterate through the verts */
for ( x = 0; x < ds->patchWidth; x++ )
{
/* start row */
fprintf( f, "\t\t\t\t(" );
/* iterate through the row */
for ( y = 0; y < ds->patchHeight; y++ )
{
/* get vert */
dv = &bspDrawVerts[ ds->firstVert + ( y * ds->patchWidth ) + x ];
/* offset it */
VectorAdd( origin, dv->xyz, xyz );
/* print vertex */
fprintf( f, " ( %f %f %f %f %f )", xyz[ 0 ], xyz[ 1 ], xyz[ 2 ], dv->st[ 0 ], dv->st[ 1 ] );
}
/* end row */
fprintf( f, " )\n" );
}
/* end patch */
fprintf( f, "\t\t\t)\n" );
fprintf( f, "\t\t}\n" );
fprintf( f, "\t}\n\n" );
}
/*
ConvertModel()
exports a bsp model to a map file
*/
static void ConvertModel( FILE *f, bspModel_t *model, int modelNum, vec3_t origin ){
int i, num;
bspBrush_t *brush;
bspDrawSurface_t *ds;
/* convert bsp planes to map planes */
nummapplanes = numBSPPlanes;
for ( i = 0; i < numBSPPlanes; i++ )
{
VectorCopy( bspPlanes[ i ].normal, mapplanes[ i ].normal );
mapplanes[ i ].dist = bspPlanes[ i ].dist;
mapplanes[ i ].type = PlaneTypeForNormal( mapplanes[ i ].normal );
mapplanes[ i ].hash_chain = NULL;
}
/* allocate a build brush */
buildBrush = AllocBrush( 512 );
buildBrush->entityNum = 0;
buildBrush->original = buildBrush;
/* go through each brush in the model */
for ( i = 0; i < model->numBSPBrushes; i++ )
{
num = i + model->firstBSPBrush;
brush = &bspBrushes[ num ];
ConvertBrush( f, num, brush, origin );
}
/* free the build brush */
free( buildBrush );
/* go through each drawsurf in the model */
for ( i = 0; i < model->numBSPSurfaces; i++ )
{
num = i + model->firstBSPSurface;
ds = &bspDrawSurfaces[ num ];
/* we only love patches */
if ( ds->surfaceType == MST_PATCH ) {
ConvertPatch( f, num, ds, origin );
}
}
}
/*
ConvertEPairs()
exports entity key/value pairs to a map file
*/
static void ConvertEPairs( FILE *f, entity_t *e ){
epair_t *ep;
/* walk epairs */
for ( ep = e->epairs; ep != NULL; ep = ep->next )
{
/* ignore empty keys/values */
if ( ep->key[ 0 ] == '\0' || ep->value[ 0 ] == '\0' ) {
continue;
}
/* ignore model keys with * prefixed values */
if ( !Q_stricmp( ep->key, "model" ) && ep->value[ 0 ] == '*' ) {
continue;
}
/* emit the epair */
fprintf( f, "\t\"%s\" \"%s\"\n", ep->key, ep->value );
}
}
/*
ConvertBSPToMap()
exports an quake map file from the bsp
*/
int ConvertBSPToMap( char *bspName ){
int i, modelNum;
FILE *f;
bspModel_t *model;
entity_t *e;
vec3_t origin;
const char *value;
char name[ 1024 ], base[ 1024 ];
/* note it */
Sys_Printf( "--- Convert BSP to MAP ---\n" );
/* create the bsp filename from the bsp name */
strcpy( name, bspName );
StripExtension( name );
strcat( name, "_converted.map" );
Sys_Printf( "writing %s\n", name );
ExtractFileBase( bspName, base );
strcat( base, ".bsp" );
/* open it */
f = fopen( name, "wb" );
if ( f == NULL ) {
Error( "Open failed on %s\n", name );
}
/* print header */
fprintf( f, "// Generated by Q3Map2 (ydnar) -convert -format map\n" );
/* walk entity list */
for ( i = 0; i < numEntities; i++ )
{
/* get entity */
e = &entities[ i ];
/* start entity */
fprintf( f, "// entity %d\n", i );
fprintf( f, "{\n" );
/* export keys */
ConvertEPairs( f, e );
fprintf( f, "\n" );
/* get model num */
if ( i == 0 ) {
modelNum = 0;
}
else
{
value = ValueForKey( e, "model" );
if ( value[ 0 ] == '*' ) {
modelNum = atoi( value + 1 );
}
else{
modelNum = -1;
}
}
/* only handle bsp models */
if ( modelNum >= 0 ) {
/* get model */
model = &bspModels[ modelNum ];
/* get entity origin */
value = ValueForKey( e, "origin" );
if ( value[ 0 ] == '\0' ) {
VectorClear( origin );
}
else{
GetVectorForKey( e, "origin", origin );
}
/* convert model */
ConvertModel( f, model, modelNum, origin );
}
/* end entity */
fprintf( f, "}\n\n" );
}
/* close the file and return */
fclose( f );
/* return to sender */
return 0;
}