Paranoia2_original/utils/p2bsp/qbsp.cpp

634 lines
13 KiB
C++

/***
*
* Copyright (c) 1996-2002, Valve LLC. All rights reserved.
*
* This product contains software technology licensed from Id
* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc.
* All Rights Reserved.
*
****/
// qbsp.c
#include "bsp5.h"
//
// command line flags
//
bool g_nofill = DEFAULT_NOFILL;
bool g_notjunc = DEFAULT_NOTJUNC;
bool g_noclip = DEFAULT_NOCLIP;
bool g_forcevis = DEFAULT_FORCEVIS;
int g_maxnode_size = DEFAULT_MAXNODE_SIZE;
int g_merge_level = DEFAULT_MERGE_LEVEL;
vec_t g_prtepsilon = PRTCHOP_EPSILON;
char g_pointfilename[1024];
char g_linefilename[1024];
char g_portfilename[1024];
//===========================================================================
/*
============
ReadMapPlanes
============
*/
void ReadMapPlanes( const char *source )
{
char path[1024];
size_t filelen;
FILE *f;
Q_snprintf( path, sizeof( path ), "%s.pln", source );
f = fopen( path, "rb" );
if( !f ) COM_FatalError( "couldn't open %s\n", path );
fseek( f, 0, SEEK_END );
filelen = ftell( f );
fseek( f, 0, SEEK_SET );
if( filelen > sizeof( g_mapplanes ))
COM_FatalError( "insufficient MAX_INTERNAL_MAP_PLANES size\n" );
if( filelen % sizeof( plane_t ))
COM_FatalError( "msimatch plane_t struct between csg and bsp\n" );
if( fread( g_mapplanes, 1, filelen, f ) != filelen )
COM_FatalError( "failed to read mapplanes\n" );
g_nummapplanes = filelen / sizeof( plane_t );
fclose( f );
// clear out hash_chain, now is output planenum!
for( int i = 0; i < g_nummapplanes; i++ )
g_mapplanes[i].outplanenum = -1;
}
/*
============
ReadHullSizes
============
*/
void ReadHullSizes( const char *source )
{
float x1, y1, z1;
float x2, y2, z2;
char path[1024];
FILE *f;
Q_snprintf( path, sizeof( path ), "%s.hsz", source );
f = fopen( path, "rb" );
if( !f ) return; // just use predefined sizes
for( int i = 0; i < MAX_MAP_HULLS; i++ )
{
int count = fscanf( f, "%f %f %f %f %f %f\n", &x1, &y1, &z1, &x2, &y2, &z2 );
if( count != 6 ) COM_FatalError( "Load hull size (line %i): scanf failure", i + 1 );
g_hull_size[i][0][0] = x1;
g_hull_size[i][0][1] = y1;
g_hull_size[i][0][2] = z1;
g_hull_size[i][1][0] = x2;
g_hull_size[i][1][1] = y2;
g_hull_size[i][1][2] = z2;
}
fclose( f );
}
//===========================================================================
/*
==================
NewFaceFromFace
Duplicates the non point information of a face, used by SplitFace and
MergeFace.
==================
*/
face_t *NewFaceFromFace( face_t *in )
{
face_t *newf;
newf = AllocFace ();
newf->planenum = in->planenum;
newf->texturenum = in->texturenum;
newf->original = in->original;
newf->contents = in->contents;
newf->detaillevel = in->detaillevel;
newf->facestyle = in->facestyle;
return newf;
}
/*
==================
SplitFace
==================
*/
void SplitFaceEpsilon( face_t *in, plane_t *split, face_t **front, face_t **back, vec_t epsilon, bool keepsource )
{
vec_t *facenormal = NULL;
winding_t *frontw, *backw;
*front = *back = NULL;
if( in->detaillevel )
facenormal = g_mapplanes[in->planenum].normal;
DivideWindingEpsilon( in->w, split->normal, split->dist, epsilon, &frontw, &backw, facenormal );
if( frontw && backw )
{
// face is divided
*front = NewFaceFromFace( in );
*back = NewFaceFromFace( in );
(*front)->w = frontw;
(*back)->w = backw;
if( !keepsource )
{
// free original
FreeFace( in );
}
}
else if( frontw != NULL )
{
*front = in;
}
else if( backw != NULL )
{
*back = in;
}
}
void SplitFace( face_t *in, plane_t *split, face_t **front, face_t **back, bool keepsource )
{
SplitFaceEpsilon( in, split, front, back, ON_EPSILON, keepsource );
}
//===========================================================================
int c_activefaces, c_peakfaces;
int c_activesurfaces, c_peaksurfaces;
int c_activeportals, c_peakportals;
void PrintMemory( void )
{
Msg( "faces : %6i (%6i)\n", c_activefaces, c_peakfaces );
Msg( "surfaces: %6i (%6i)\n", c_activesurfaces, c_peaksurfaces );
Msg( "portals : %6i (%6i)\n", c_activeportals, c_peakportals );
}
/*
===========
AllocFace
===========
*/
face_t *AllocFace( void )
{
face_t *f;
c_activefaces++;
if( c_activefaces > c_peakfaces )
c_peakfaces = c_activefaces;
f = (face_t *)Mem_Alloc( sizeof( face_t ), C_SURFACE );
f->planenum = -1;
return f;
}
/*
===========
AddFaceToBounds
===========
*/
void AddFaceToBounds( face_t *f, vec3_t mins, vec3_t maxs )
{
winding_t *w = f->w;
for ( int i = 0; i < w->numpoints; i++ )
AddPointToBounds( w->p[i], mins, maxs );
}
/*
===========
FreeFace
===========
*/
void FreeFace( face_t *f )
{
if( !f ) return;
if( f->w ) FreeWinding( f->w );
Mem_Free( f, C_SURFACE );
c_activefaces--;
}
/*
==================
UnlinkFace
release specified face or purge all chain
==================
*/
void UnlinkFace( face_t **head, face_t *face )
{
face_t **prev = head;
face_t *cur;
while( 1 )
{
cur = *prev;
if( !cur ) break;
if( face != NULL && face != cur )
{
prev = &cur->next;
continue;
}
*prev = cur->next;
}
}
/*
==================
CountListFaces
return count of valid faces
==================
*/
int CountListFaces( face_t *list )
{
int count = 0;
for( face_t *f1 = list; f1 != NULL; f1 = f1->next )
if( f1->w ) count++;
return count;
}
/*
===========
AllocSurface
===========
*/
surface_t *AllocSurface( void )
{
surface_t *s;
c_activesurfaces++;
if( c_activesurfaces > c_peaksurfaces )
c_peaksurfaces = c_activesurfaces;
s = (surface_t *)Mem_Alloc( sizeof( surface_t ), C_SURFACE );
ClearBounds( s->mins, s->maxs );
s->planenum = -1;
return s;
}
/*
===========
FreeSurface
===========
*/
void FreeSurface( surface_t *s )
{
Mem_Free( s, C_SURFACE );
c_activesurfaces--;
}
/*
===========
AllocPortal
===========
*/
portal_t *AllocPortal( void )
{
c_activeportals++;
if( c_activeportals > c_peakportals )
c_peakportals = c_activeportals;
return (portal_t *)Mem_Alloc( sizeof( portal_t ), C_PORTAL );
}
/*
===========
FreePortal
===========
*/
void FreePortal( portal_t *p )
{
c_activeportals--;
Mem_Free( p, C_PORTAL );
}
/*
===========
AllocNode
===========
*/
node_t *AllocNode( void )
{
return (node_t *)Mem_Alloc( sizeof( node_t ), C_LEAFNODE );
}
/*
===========
FreeNode
===========
*/
void FreeNode( node_t *n )
{
Mem_Free( n, C_LEAFNODE );
}
/*
===========
FreeLeaf
===========
*/
void FreeLeaf( node_t *n )
{
if( n->markfaces )
Mem_Free( n->markfaces );
Mem_Free( n, C_LEAFNODE );
}
//===========================================================================
/*
=================
CreateSingleHull
=================
*/
void CreateSingleHull( const char *source, int hullnum )
{
int modnum = 0;
FILE *brushfile;
FILE *polyfile;
char name[1024];
tree_t *tree;
Msg( "CreateHull: %i\n", hullnum );
Q_snprintf( name, sizeof( name ), "%s.p%i", source, hullnum );
polyfile = fopen( name, "r" );
if( !polyfile ) COM_FatalError( "Can't open %s", name );
Q_snprintf( name, sizeof( name ), "%s.b%i", source, hullnum );
brushfile = fopen( name, "r" );
if( !brushfile ) COM_FatalError( "Can't open %s", name );
while(( tree = MakeTreeFromHullFaces( polyfile, brushfile )) != NULL )
{
tree = TreeProcessModel( tree, modnum, hullnum );
if( hullnum == 0 ) EmitDrawNodes( tree );
else EmitClipNodes( tree, modnum, hullnum );
FreeTree( tree );
modnum++;
}
Q_snprintf( name, sizeof( name ), "%s.p%i", source, hullnum );
fclose( polyfile );
unlink( name );
Q_snprintf( name, sizeof( name ), "%s.b%i", source, hullnum );
fclose( brushfile );
unlink( name );
}
/*
=================
ProcessFile
=================
*/
void ProcessFile( const char *source )
{
char bspfilename[1024];
char name[1024];
int i;
// create filenames
Q_snprintf( g_portfilename, sizeof( g_portfilename ), "%s.prt", source );
remove( g_portfilename );
Q_snprintf( g_pointfilename, sizeof( g_pointfilename ), "%s.pts", source );
remove( g_pointfilename );
Q_snprintf( g_linefilename, sizeof( g_linefilename ), "%s.lin", source );
remove( g_linefilename );
// reading hull sizes from text-file
ReadHullSizes( source );
// reading planes from binary dump
ReadMapPlanes( source );
// load the output of qcsg
Q_snprintf( bspfilename, sizeof( bspfilename ), "%s.bsp", source );
LoadBSPFile( bspfilename );
ParseEntities ();
// init the tables to be shared by all models
BeginBSPFile ();
for( i = 0; i < MAX_MAP_HULLS; i++ )
{
CreateSingleHull( source, i );
}
// write the updated bsp file out
FinishBSPFile( bspfilename );
Q_snprintf( name, sizeof( name ), "%s.pln", source );
unlink( name );
Q_snprintf( name, sizeof( name ), "%s.hsz", source );
unlink( name );
}
//=========================================
/*
============
GetNodeSize
print node size
============
*/
const char *GetNodeSize( int nodesize )
{
if( nodesize == DEFAULT_MAXNODE_SIZE )
return va( "%s", "Auto" );
return va( "%d", nodesize );
}
/*
============
PrintBspSettings
show compiler settings like ZHLT
============
*/
static void PrintBspSettings( void )
{
Msg( "\nCurrent p2bsp settings\n" );
Msg( "Name | Setting | Default\n" );
Msg( "---------------------|-----------|-------------------------\n" );
Msg( "developer [ %7d ] [ %7d ]\n", GetDeveloperLevel(), DEFAULT_DEVELOPER );
Msg( "max node size [ %7s ] [ %7s ]\n", GetNodeSize( g_maxnode_size ), GetNodeSize( DEFAULT_MAXNODE_SIZE ));
Msg( "merge faces depth [ %7d ] [ %7d ]\n", g_merge_level, DEFAULT_MERGE_LEVEL );
Msg( "notjunc [ %7s ] [ %7s ]\n", g_notjunc ? "on" : "off", DEFAULT_NOTJUNC ? "on" : "off" );
Msg( "noclip [ %7s ] [ %7s ]\n", g_noclip ? "on" : "off", DEFAULT_NOCLIP ? "on" : "off" );
Msg( "nofill [ %7s ] [ %7s ]\n", g_nofill ? "on" : "off", DEFAULT_NOFILL ? "on" : "off" );
Msg( "portal chop epsilon [ %.6f] [ %.6f]\n", g_prtepsilon, PRTCHOP_EPSILON );
Msg( "force vis [ %7s ] [ %7s ]\n", g_forcevis ? "on" : "off", DEFAULT_FORCEVIS ? "on" : "off" );
Msg( "\n" );
}
/*
============
PrintBspUsage
show compiler usage like ZHLT
============
*/
static void PrintBspUsage( void )
{
Msg( "\n-= p2bsp Options =-\n\n" );
Msg( " -dev # : compile with developer message (1 - 4). default is %d\n", DEFAULT_DEVELOPER );
Msg( " -threads # : manually specify the number of threads to run\n" );
Msg( " -noclip : don't create clipping hulls\n" );
Msg( " -notjunc : don't break edges on t-junctions (not for final runs)\n" );
Msg( " -nofill : don't fill outside (used for brush models, not levels)\n" );
Msg( " -noforcevis : don't make a .prt if the map leaks\n" );
Msg( " -merge : merge together chopped faces on nodes (merging depth level)\n" );
Msg( " -maxnodesize val : sets the maximum portal node size\n" );
Msg( " -epsilon : portal chop precision epsilon\n" );
Msg( " mapfile : the mapfile to compile\n\n" );
exit( 1 );
}
/*
==================
main
==================
*/
int main( int argc, char **argv )
{
int i;
double start, end;
char source[1024];
char str[64];
atexit( Sys_CloseLog );
source[0] = '\0';
for( i = 1; i < argc; i++ )
{
if( !Q_strcmp( argv[i], "-dev" ))
{
SetDeveloperLevel( atoi( argv[i+1] ));
i++;
}
else if( !Q_strcmp( argv[i], "-threads" ))
{
g_numthreads = atoi( argv[i+1] );
i++;
}
else if( !Q_strcmp( argv[i], "-noclip" ))
{
g_noclip = true;
}
else if( !Q_strcmp( argv[i], "-notjunc" ))
{
g_notjunc = true;
}
else if( !Q_strcmp( argv[i], "-nofill" ))
{
g_nofill = true;
}
else if( !Q_strcmp( argv[i], "-noforcevis" ))
{
g_forcevis = false;
}
else if( !Q_strcmp( argv[i], "-merge" ))
{
g_merge_level = atoi( argv[i+1] );
g_merge_level = bound( 0, g_merge_level, 4 );
i++;
}
else if( !Q_strcmp( argv[i], "-maxnodesize" ))
{
g_maxnode_size = atoi( argv[i+1] );
g_maxnode_size = bound( 256, g_maxnode_size, 65536 );
i++;
}
else if( !Q_strcmp( argv[i], "-epsilon" ))
{
g_prtepsilon = atof( argv[i+1] );
i++;
}
else if( argv[i][0] == '-' )
{
MsgDev( D_ERROR, "\nUnknown option \"%s\"\n", argv[i] );
break;
}
else if( !source[0] )
{
Q_strncpy( source, COM_ExpandArg( argv[i] ), sizeof( source ));
COM_StripExtension( source );
}
else
{
MsgDev( D_ERROR, "\nUnknown option \"%s\"\n", argv[i] );
break;
}
}
if( i != argc || !source[0] )
{
if( !source[0] )
Msg( "no mapfile specified\n" );
PrintBspUsage();
}
start = I_FloatTime ();
Sys_InitLogAppend( va( "%s.log", source ));
Msg( "\n%s %s (%s)\n", TOOLNAME, VERSIONSTRING, __DATE__ );
PrintBspSettings();
ThreadSetDefault ();
ProcessFile( source );
FreeEntities();
// now check for leaks
SetDeveloperLevel( D_REPORT );
Mem_Check();
end = I_FloatTime ();
Q_timestring((int)( end - start ), str );
Msg( "%s elapsed\n", str );
return 0;
}