worldspawn/tools/vmap/convert_bsp.c

273 lines
7.4 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."
------------------------------------------------------------------------------- */
/* dependencies */
#include "vmap.h"
/*
PseudoCompileBSP()
a stripped down ProcessModels
*/
void PseudoCompileBSP( qboolean need_tree, const char *BSPFilePath, const char *surfaceFilePath ){
int models;
char modelValue[10];
entity_t *entity;
face_t *faces;
tree_t *tree;
node_t *node;
brush_t *brush;
side_t *side;
int i;
SetDrawSurfacesBuffer();
mapDrawSurfs = safe_malloc( sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
memset( mapDrawSurfs, 0, sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
numMapDrawSurfs = 0;
BeginBSPFile();
models = 1;
for ( mapEntityNum = 0; mapEntityNum < numEntities; mapEntityNum++ )
{
/* get entity */
entity = &entities[ mapEntityNum ];
if ( entity->brushes == NULL && entity->patches == NULL ) {
continue;
}
if ( mapEntityNum != 0 ) {
sprintf( modelValue, "*%d", models++ );
SetKeyValue( entity, "model", modelValue );
}
/* process the model */
Sys_FPrintf( SYS_VRB, "############### model %i ###############\n", numBSPModels );
BeginModel();
entity->firstDrawSurf = numMapDrawSurfs;
ClearMetaTriangles();
PatchMapDrawSurfs( entity );
if ( mapEntityNum == 0 && need_tree ) {
faces = MakeStructuralBSPFaceList( entities[0].brushes );
tree = FaceBSP( faces );
node = tree->headnode;
}
else
{
node = AllocNode();
node->planenum = PLANENUM_LEAF;
tree = AllocTree();
tree->headnode = node;
}
/* a minimized ClipSidesIntoTree */
for ( brush = entity->brushes; brush; brush = brush->next )
{
/* walk the brush sides */
for ( i = 0; i < brush->numsides; i++ )
{
/* get side */
side = &brush->sides[ i ];
if ( side->winding == NULL ) {
continue;
}
/* shader? */
if ( side->shaderInfo == NULL ) {
continue;
}
/* save this winding as a visible surface */
DrawSurfaceForSide( entity, brush, side, side->winding );
}
}
if ( meta ) {
ClassifyEntitySurfaces( entity );
MakeEntityDecals( entity );
MakeEntityMetaTriangles( entity );
SmoothMetaTriangles();
MergeMetaTriangles();
}
FilterDrawsurfsIntoTree( entity, tree );
FilterStructuralBrushesIntoTree( entity, tree );
FilterDetailBrushesIntoTree( entity, tree );
EmitBrushes( entity->brushes, &entity->firstBrush, &entity->numBrushes );
EndModel( entity, node );
}
EndBSPFile( qfalse, BSPFilePath, surfaceFilePath );
}
/*
ConvertBSPMain()
main argument processing function for bsp conversion
*/
int ConvertBSPMain( int argc, char **argv ){
int i;
int ( *convertFunc )( char * );
game_t *convertGame;
char ext[1024];
char BSPFilePath [ 1024 ];
char surfaceFilePath [ 1024 ];
qboolean map_allowed, force_bsp, force_map;
/* set default */
convertFunc = ConvertBSPToASE;
convertGame = NULL;
map_allowed = qfalse;
force_bsp = qfalse;
force_map = qfalse;
/* arg checking */
if ( argc < 1 ) {
Sys_Printf( "Usage: q3map -convert [-format <ase|obj|map_bp|map>] [-shadersasbitmap|-lightmapsastexcoord|-deluxemapsastexcoord] [-readbsp|-readmap [-meta|-patchmeta]] [-v] <mapname>\n" );
return 0;
}
/* process arguments */
for ( i = 1; i < ( argc - 1 ); i++ )
{
/* -format map|ase|... */
if ( !strcmp( argv[ i ], "-format" ) ) {
i++;
if ( !Q_stricmp( argv[ i ], "ase" ) ) {
convertFunc = ConvertBSPToASE;
map_allowed = qfalse;
}
else if ( !Q_stricmp( argv[ i ], "obj" ) ) {
convertFunc = ConvertBSPToOBJ;
map_allowed = qfalse;
}
else if ( !Q_stricmp( argv[ i ], "map_bp" ) ) {
convertFunc = ConvertBSPToMap_BP;
map_allowed = qtrue;
}
else if ( !Q_stricmp( argv[ i ], "map" ) ) {
convertFunc = ConvertBSPToMap;
map_allowed = qtrue;
}
else
{
convertGame = GetGame( argv[ i ] );
map_allowed = qfalse;
if ( convertGame == NULL ) {
Sys_Printf( "Unknown conversion format \"%s\". Defaulting to ASE.\n", argv[ i ] );
}
}
}
else if ( !strcmp( argv[ i ], "-ne" ) ) {
normalEpsilon = atof( argv[ i + 1 ] );
i++;
Sys_Printf( "Normal epsilon set to %f\n", normalEpsilon );
}
else if ( !strcmp( argv[ i ], "-de" ) ) {
distanceEpsilon = atof( argv[ i + 1 ] );
i++;
Sys_Printf( "Distance epsilon set to %f\n", distanceEpsilon );
}
else if ( !strcmp( argv[ i ], "-shaderasbitmap" ) || !strcmp( argv[ i ], "-shadersasbitmap" ) ) {
shadersAsBitmap = qtrue;
}
else if ( !strcmp( argv[ i ], "-lightmapastexcoord" ) || !strcmp( argv[ i ], "-lightmapsastexcoord" ) ) {
lightmapsAsTexcoord = qtrue;
}
else if ( !strcmp( argv[ i ], "-deluxemapastexcoord" ) || !strcmp( argv[ i ], "-deluxemapsastexcoord" ) ) {
lightmapsAsTexcoord = qtrue;
deluxemap = qtrue;
}
else if ( !strcmp( argv[ i ], "-readbsp" ) ) {
force_bsp = qtrue;
}
else if ( !strcmp( argv[ i ], "-readmap" ) ) {
force_map = qtrue;
}
else if ( !strcmp( argv[ i ], "-meta" ) ) {
meta = qtrue;
}
else if ( !strcmp( argv[ i ], "-patchmeta" ) ) {
meta = qtrue;
patchMeta = qtrue;
}
}
LoadShaderInfo();
/* clean up map name */
strcpy( source, ExpandArg( argv[i] ) );
ExtractFileExtension( source, ext );
if ( !map_allowed && !force_map ) {
force_bsp = qtrue;
}
if ( force_map || ( !force_bsp && !Q_stricmp( ext, "map" ) && map_allowed ) ) {
if ( !map_allowed ) {
Sys_FPrintf( SYS_WRN, "WARNING: the requested conversion should not be done from .map files. Compile a .bsp first.\n" );
}
StripExtension( source );
DefaultExtension( source, ".map" );
Sys_Printf( "Loading %s\n", source );
LoadMapFile( source, qfalse, (qboolean)(convertGame == NULL));
sprintf( BSPFilePath, "%s.bsp", source );
sprintf( surfaceFilePath, "%s.srf", source );
PseudoCompileBSP( (qboolean)(convertGame != NULL), BSPFilePath, surfaceFilePath );
}
else
{
StripExtension( source );
DefaultExtension( source, ".bsp" );
Sys_Printf( "Loading %s\n", source );
LoadBSPFile( source );
ParseEntities();
}
/* bsp format convert? */
if ( convertGame != NULL ) {
/* set global game */
game = convertGame;
/* write bsp */
StripExtension( source );
DefaultExtension( source, "_c.bsp" );
Sys_Printf( "Writing %s\n", source );
WriteBSPFile( source );
/* return to sender */
return 0;
}
/* normal convert */
return convertFunc( source );
}