116 lines
2.3 KiB
C
116 lines
2.3 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
|
|
*/
|
|
|
|
#include "qbsp.h"
|
|
|
|
|
|
/*
|
|
|
|
Lightmap allocation has to be done after all flood filling and
|
|
visible surface determination.
|
|
|
|
*/
|
|
|
|
int numSortShaders;
|
|
mapDrawSurface_t **surfsOnShader;
|
|
int allocatedSurfsOnShader;
|
|
|
|
|
|
int allocated[ LIGHTMAP_WIDTH ];
|
|
|
|
int numLightmaps = 1;
|
|
int c_exactLightmap = 0;
|
|
int c_planarPatch = 0;
|
|
int c_nonplanarLightmap = 0;
|
|
|
|
|
|
void PrepareNewLightmap( void ) {
|
|
memset( allocated, 0, sizeof( allocated ) );
|
|
numLightmaps++;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
AllocLMBlock
|
|
|
|
returns a texture number and the position inside it
|
|
===============
|
|
*/
|
|
qboolean AllocLMBlock( int w, int h, int *x, int *y ){
|
|
int i, j;
|
|
int best, best2;
|
|
|
|
best = LIGHTMAP_HEIGHT;
|
|
|
|
for ( i = 0; i <= LIGHTMAP_WIDTH - w; i++ ) {
|
|
best2 = 0;
|
|
|
|
for ( j = 0; j < w; j++ ) {
|
|
if ( allocated[i + j] >= best ) {
|
|
break;
|
|
}
|
|
if ( allocated[i + j] > best2 ) {
|
|
best2 = allocated[i + j];
|
|
}
|
|
}
|
|
if ( j == w ) { // this is a valid spot
|
|
*x = i;
|
|
*y = best = best2;
|
|
}
|
|
}
|
|
|
|
if ( best + h > LIGHTMAP_HEIGHT ) {
|
|
return qfalse;
|
|
}
|
|
|
|
for ( i = 0; i < w; i++ ) {
|
|
allocated[*x + i] = best + h;
|
|
}
|
|
|
|
return qtrue;
|
|
}
|
|
|
|
|
|
/*
|
|
===================
|
|
AllocateLightmapForPatch
|
|
===================
|
|
*/
|
|
//#define LIGHTMAP_PATCHSHIFT
|
|
|
|
|
|
|
|
/*
|
|
===================
|
|
AllocateLightmapForSurface
|
|
===================
|
|
*/
|
|
|
|
//#define LIGHTMAP_BLOCK 16
|
|
|
|
|
|
|
|
/*
|
|
===================
|
|
AllocateLightmaps
|
|
===================
|
|
*/
|