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fteqw/engine/client/r_surf.c
Spoike c0680334c7 What could possibly go wrong?... 
Multiple consoles can now be printed/cleared via extra con commands.
Fixed the tab-completion alignment, by adding support for \t characters.
Changing the download mechanisms. Don't try downloading an ftp:// file. It'll probably crash you for now.
Trying to fix load time issues on q3bsps with a lot of curves.
Fixed sprites.
Added warning prints/spam where the new backend is bypassed, thus marking things that still need to be fixed.
QTV proxy fixed to not sit on qw servers unless someone is actually watching. Will ping for status requests still.
QTV proxy now supports ipv6.
QTV proxy now attempts to use the fte browser plugin.
Reworked the browser plugin code, now uses threads instead of ugly hacks. This should make cooperation with other such plugins work. Fixes unresponsiveness of opera, and gives an API that can be used from any other bit of software you want, tbh (read: internet explorer/activex plugins).

git-svn-id: https://svn.code.sf.net/p/fteqw/code/branches/wip@3516 fc73d0e0-1445-4013-8a0c-d673dee63da5
2010-03-14 14:35:56 +00:00

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/*
Copyright (C) 1996-1997 Id Software, Inc.
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// r_surf.c: surface-related refresh code
#include "quakedef.h"
#if defined(GLQUAKE) || defined(D3DQUAKE)
#include "glquake.h"
#include "shader.h"
#include "renderque.h"
#include <math.h>
extern cvar_t gl_bump;
static vec3_t modelorg; /*set before recursively entering the visible surface finder*/
static qbyte areabits[MAX_Q2MAP_AREAS/8];
model_t *currentmodel;
int lightmap_bytes; // 1, 3 or 4
texid_t *lightmap_textures;
texid_t *deluxmap_textures;
#define MAX_LIGHTMAP_SIZE LMBLOCK_WIDTH
vec3_t blocknormals[MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE];
unsigned blocklights[MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE];
#ifdef PEXT_LIGHTSTYLECOL
unsigned greenblklights[MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE];
unsigned blueblklights[MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE];
#endif
lightmapinfo_t **lightmap;
int numlightmaps;
mleaf_t *r_vischain; // linked list of visible leafs
extern cvar_t r_stains;
extern cvar_t r_loadlits;
extern cvar_t r_stainfadetime;
extern cvar_t r_stainfadeammount;
int Surf_LightmapShift (model_t *model)
{
extern cvar_t gl_overbright_all, gl_lightmap_shift;
if (gl_overbright_all.ival || (model->engineflags & MDLF_NEEDOVERBRIGHT))
return bound(0, gl_lightmap_shift.ival, 2);
return 0;
}
//radius, x y z, r g b
void Surf_StainSurf (msurface_t *surf, float *parms)
{
int sd, td;
float dist, rad, minlight;
float change;
vec3_t impact, local;
int s, t;
int i;
int smax, tmax;
float amm;
int lim;
mtexinfo_t *tex;
stmap *stainbase;
lim = 255 - (r_stains.value*255);
#define stain(x) \
change = stainbase[(s)*3+x] + amm*parms[4+x]; \
stainbase[(s)*3+x] = bound(lim, change, 255);
if (surf->lightmaptexturenum < 0)
return;
smax = (surf->extents[0]>>4)+1;
tmax = (surf->extents[1]>>4)+1;
tex = surf->texinfo;
stainbase = lightmap[surf->lightmaptexturenum]->stainmaps;
stainbase += (surf->light_t * LMBLOCK_WIDTH + surf->light_s) * 3;
rad = *parms;
dist = DotProduct ((parms+1), surf->plane->normal) - surf->plane->dist;
rad -= fabs(dist);
minlight = 0;
if (rad < minlight) //not hit
return;
minlight = rad - minlight;
for (i=0 ; i<3 ; i++)
{
impact[i] = (parms+1)[i] - surf->plane->normal[i]*dist;
}
local[0] = DotProduct (impact, tex->vecs[0]) + tex->vecs[0][3];
local[1] = DotProduct (impact, tex->vecs[1]) + tex->vecs[1][3];
local[0] -= surf->texturemins[0];
local[1] -= surf->texturemins[1];
for (t = 0 ; t<tmax ; t++)
{
td = local[1] - t*16;
if (td < 0)
td = -td;
for (s=0 ; s<smax ; s++)
{
sd = local[0] - s*16;
if (sd < 0)
sd = -sd;
if (sd > td)
dist = sd + (td>>1);
else
dist = td + (sd>>1);
if (dist < minlight)
{
amm = (rad - dist);
stain(0);
stain(1);
stain(2);
surf->stained = true;
}
}
stainbase += 3*LMBLOCK_WIDTH;
}
if (surf->stained)
surf->cached_dlight=-1;
}
//combination of R_AddDynamicLights and R_MarkLights
/*
static void Surf_StainNode (mnode_t *node, float *parms)
{
mplane_t *splitplane;
float dist;
msurface_t *surf;
int i;
if (node->contents < 0)
return;
splitplane = node->plane;
dist = DotProduct ((parms+1), splitplane->normal) - splitplane->dist;
if (dist > (*parms))
{
Surf_StainNode (node->children[0], parms);
return;
}
if (dist < (-*parms))
{
Surf_StainNode (node->children[1], parms);
return;
}
// mark the polygons
surf = cl.worldmodel->surfaces + node->firstsurface;
for (i=0 ; i<node->numsurfaces ; i++, surf++)
{
if (surf->flags&~(SURF_DONTWARP|SURF_PLANEBACK))
continue;
Surf_StainSurf(surf, parms);
}
Surf_StainNode (node->children[0], parms);
Surf_StainNode (node->children[1], parms);
}
*/
void Surf_AddStain(vec3_t org, float red, float green, float blue, float radius)
{
physent_t *pe;
int i;
float parms[7];
if (!cl.worldmodel || cl.worldmodel->needload || r_stains.value <= 0)
return;
parms[0] = radius;
parms[1] = org[0];
parms[2] = org[1];
parms[3] = org[2];
parms[4] = red;
parms[5] = green;
parms[6] = blue;
cl.worldmodel->funcs.StainNode(cl.worldmodel->nodes+cl.worldmodel->hulls[0].firstclipnode, parms);
//now stain bsp models other than world.
for (i=1 ; i< pmove.numphysent ; i++) //0 is world...
{
pe = &pmove.physents[i];
if (pe->model && pe->model->surfaces == cl.worldmodel->surfaces)
{
parms[1] = org[0] - pe->origin[0];
parms[2] = org[1] - pe->origin[1];
parms[3] = org[2] - pe->origin[2];
if (pe->angles[0] || pe->angles[1] || pe->angles[2])
{
vec3_t f, r, u, temp;
AngleVectors(pe->angles, f, r, u);
VectorCopy((parms+1), temp);
parms[1] = DotProduct(temp, f);
parms[2] = -DotProduct(temp, r);
parms[3] = DotProduct(temp, u);
}
pe->model->funcs.StainNode(pe->model->nodes+pe->model->hulls[0].firstclipnode, parms);
}
}
}
void Surf_WipeStains(void)
{
int i;
for (i = 0; i < numlightmaps; i++)
{
if (!lightmap[i])
break;
memset(lightmap[i]->stainmaps, 255, sizeof(lightmap[i]->stainmaps));
}
}
void Surf_LessenStains(void)
{
int i;
msurface_t *surf;
int smax, tmax;
int s, t;
stmap *stain;
int stride;
int ammount;
int limit;
static float time;
if (!r_stains.value)
return;
time += host_frametime;
if (time < r_stainfadetime.value)
return;
time-=r_stainfadetime.value;
ammount = r_stainfadeammount.value;
limit = 255 - ammount;
surf = cl.worldmodel->surfaces;
for (i=0 ; i<cl.worldmodel->numsurfaces ; i++, surf++)
{
if (surf->stained)
{
surf->cached_dlight=-1;//nice hack here...
smax = (surf->extents[0]>>4)+1;
tmax = (surf->extents[1]>>4)+1;
stain = lightmap[surf->lightmaptexturenum]->stainmaps;
stain += (surf->light_t * LMBLOCK_WIDTH + surf->light_s) * 3;
stride = (LMBLOCK_WIDTH-smax)*3;
surf->stained = false;
smax*=3;
for (t = 0 ; t<tmax ; t++, stain+=stride)
{
for (s=0 ; s<smax ; s++)
{
if (*stain < limit) //eventually decay to 255
{
*stain += ammount;
surf->stained=true;
}
else //reset to 255
*stain = 255;
stain++;
}
}
}
}
}
/*
===============
R_AddDynamicLights
===============
*/
static void Surf_AddDynamicLights (msurface_t *surf)
{
int lnum;
int sd, td;
float dist, rad, minlight;
vec3_t impact, local;
int s, t;
int i;
int smax, tmax;
mtexinfo_t *tex;
float a;
smax = (surf->extents[0]>>4)+1;
tmax = (surf->extents[1]>>4)+1;
tex = surf->texinfo;
for (lnum=rtlights_first; lnum<RTL_FIRST; lnum++)
{
if ( !(surf->dlightbits & (1<<lnum) ) )
continue; // not lit by this light
if (!(cl_dlights[lnum].flags & LFLAG_ALLOW_LMHACK))
continue;
rad = cl_dlights[lnum].radius;
dist = DotProduct (cl_dlights[lnum].origin, surf->plane->normal) -
surf->plane->dist;
rad -= fabs(dist);
minlight = cl_dlights[lnum].minlight;
if (rad < minlight)
continue;
minlight = rad - minlight;
for (i=0 ; i<3 ; i++)
{
impact[i] = cl_dlights[lnum].origin[i] -
surf->plane->normal[i]*dist;
}
local[0] = DotProduct (impact, tex->vecs[0]) + tex->vecs[0][3];
local[1] = DotProduct (impact, tex->vecs[1]) + tex->vecs[1][3];
local[0] -= surf->texturemins[0];
local[1] -= surf->texturemins[1];
a = 256*(cl_dlights[lnum].color[0]*1.5 + cl_dlights[lnum].color[1]*2.95 + cl_dlights[lnum].color[2]*0.55);
for (t = 0 ; t<tmax ; t++)
{
td = local[1] - t*16;
if (td < 0)
td = -td;
for (s=0 ; s<smax ; s++)
{
sd = local[0] - s*16;
if (sd < 0)
sd = -sd;
if (sd > td)
dist = sd + (td>>1);
else
dist = td + (sd>>1);
if (dist < minlight)
blocklights[t*smax + s] += (rad - dist)*a;
}
}
}
}
static void Surf_AddDynamicLightNorms (msurface_t *surf)
{
int lnum;
int sd, td;
float dist, rad, minlight;
vec3_t impact, local;
int s, t;
int i;
int smax, tmax;
mtexinfo_t *tex;
float a;
smax = (surf->extents[0]>>4)+1;
tmax = (surf->extents[1]>>4)+1;
tex = surf->texinfo;
for (lnum=rtlights_first; lnum<RTL_FIRST; lnum++)
{
if ( !(surf->dlightbits & (1<<lnum) ) )
continue; // not lit by this light
if (!(cl_dlights[lnum].flags & LFLAG_ALLOW_LMHACK))
continue;
rad = cl_dlights[lnum].radius;
dist = DotProduct (cl_dlights[lnum].origin, surf->plane->normal) -
surf->plane->dist;
rad -= fabs(dist);
minlight = cl_dlights[lnum].minlight;
if (rad < minlight)
continue;
minlight = rad - minlight;
for (i=0 ; i<3 ; i++)
{
impact[i] = cl_dlights[lnum].origin[i] -
surf->plane->normal[i]*dist;
}
local[0] = DotProduct (impact, tex->vecs[0]) + tex->vecs[0][3];
local[1] = DotProduct (impact, tex->vecs[1]) + tex->vecs[1][3];
local[0] -= surf->texturemins[0];
local[1] -= surf->texturemins[1];
a = 256*(cl_dlights[lnum].color[0]*1.5 + cl_dlights[lnum].color[1]*2.95 + cl_dlights[lnum].color[2]*0.55);
for (t = 0 ; t<tmax ; t++)
{
td = local[1] - t*16;
if (td < 0)
td = -td;
for (s=0 ; s<smax ; s++)
{
sd = local[0] - s*16;
if (sd < 0)
sd = -sd;
if (sd > td)
dist = sd + (td>>1);
else
dist = td + (sd>>1);
if (dist < minlight)
{
// blocknormals[t*smax + s][0] -= (rad - dist)*(impact[0]-local[0])/8192.0;
// blocknormals[t*smax + s][1] -= (rad - dist)*(impact[1]-local[1])/8192.0;
blocknormals[t*smax + s][2] += 0.5*blocknormals[t*smax + s][2]*(rad - dist)/256;
}
}
}
}
}
#ifdef PEXT_LIGHTSTYLECOL
static void Surf_AddDynamicLightsColours (msurface_t *surf)
{
int lnum;
int sd, td;
float dist, rad, minlight;
vec3_t impact, local;
int s, t;
int i;
int smax, tmax;
mtexinfo_t *tex;
// float temp;
float r, g, b;
smax = (surf->extents[0]>>4)+1;
tmax = (surf->extents[1]>>4)+1;
tex = surf->texinfo;
for (lnum=rtlights_first; lnum<RTL_FIRST; lnum++)
{
if ( !(surf->dlightbits & (1<<lnum) ) )
continue; // not lit by this light
rad = cl_dlights[lnum].radius;
dist = DotProduct (cl_dlights[lnum].origin, surf->plane->normal) -
surf->plane->dist;
rad -= fabs(dist);
minlight = cl_dlights[lnum].minlight;
if (rad < minlight)
continue;
minlight = rad - minlight;
for (i=0 ; i<3 ; i++)
{
impact[i] = cl_dlights[lnum].origin[i] -
surf->plane->normal[i]*dist;
}
local[0] = DotProduct (impact, tex->vecs[0]) + tex->vecs[0][3];
local[1] = DotProduct (impact, tex->vecs[1]) + tex->vecs[1][3];
local[0] -= surf->texturemins[0];
local[1] -= surf->texturemins[1];
r = cl_dlights[lnum].color[0]*3*256;
g = cl_dlights[lnum].color[1]*3*256;
b = cl_dlights[lnum].color[2]*3*256;
/* if (cl_dlights[lnum].type == 1) //a wierd effect.
{
for (t = 0 ; t<tmax ; t++)
{
td = local[1] - t*16;
if (td < 0)
td = -td;
for (s=0 ; s<smax ; s++)
{
sd = local[0] - s*16;
if (sd < 0)
sd = -sd;
if (sd > td)
dist = sd + (td>>1);
else
dist = td + (sd>>1);
if (dist < minlight)
{
blocklights[t*smax + s] += 2*sin(dist/10+cl.time*20)*(rad - dist)*256 * cl_dlights[lnum].colour[0]*3;
greenblklights[t*smax + s] += 2*sin(M_PI/3+dist/10+cl.time*20)*(rad - dist)*256 * cl_dlights[lnum].colour[1]*3;
blueblklights[t*smax + s] += 2*sin(2*M_PI/3+dist/10+cl.time*20)*(rad - dist)*256 * cl_dlights[lnum].colour[2]*3;
}
}
}
}
else
{
*/ for (t = 0 ; t<tmax ; t++)
{
td = local[1] - t*16;
if (td < 0)
td = -td;
for (s=0 ; s<smax ; s++)
{
sd = local[0] - s*16;
if (sd < 0)
sd = -sd;
if (sd > td)
dist = sd + (td>>1);
else
dist = td + (sd>>1);
if (dist < minlight)
{
blocklights[t*smax + s] += (rad - dist)*r;
greenblklights[t*smax + s] += (rad - dist)*g;
blueblklights[t*smax + s] += (rad - dist)*b;
}
}
}
// }
}
}
#endif
static void Surf_BuildDeluxMap (msurface_t *surf, qbyte *dest)
{
int smax, tmax;
int i, j, size;
qbyte *lightmap;
qbyte *deluxmap;
unsigned scale;
int maps;
float intensity;
vec_t *bnorm;
vec3_t temp;
int stride = LMBLOCK_WIDTH*3;
smax = (surf->extents[0]>>4)+1;
tmax = (surf->extents[1]>>4)+1;
size = smax*tmax;
lightmap = surf->samples;
// set to full bright if no light data
if (!currentmodel->deluxdata)
{
for (i=0 ; i<size ; i++)
{
blocknormals[i][0] = 0.9;//surf->orientation[2][0];
blocknormals[i][1] = 0.8;//surf->orientation[2][1];
blocknormals[i][2] = 1;//surf->orientation[2][2];
}
goto store;
}
if (currentmodel->engineflags & MDLF_RGBLIGHTING)
deluxmap = surf->samples - currentmodel->lightdata + currentmodel->deluxdata;
else
deluxmap = (surf->samples - currentmodel->lightdata)*3 + currentmodel->deluxdata;
// clear to no light
for (i=0 ; i<size ; i++)
{
blocknormals[i][0] = 0;
blocknormals[i][1] = 0;
blocknormals[i][2] = 0;
}
// add all the lightmaps
if (lightmap)
{
if (currentmodel->engineflags & MDLF_RGBLIGHTING)
{
deluxmap = surf->samples - currentmodel->lightdata + currentmodel->deluxdata;
for (maps = 0 ; maps < MAXLIGHTMAPS && surf->styles[maps] != 255 ;
maps++)
{
scale = d_lightstylevalue[surf->styles[maps]];
for (i=0 ; i<size ; i++)
{
intensity = (lightmap[i*3]+lightmap[i*3+1]+lightmap[i*3+2]) * scale;
blocknormals[i][0] += intensity*(deluxmap[i*3+0]-127);
blocknormals[i][1] += intensity*(deluxmap[i*3+1]-127);
blocknormals[i][2] += intensity*(deluxmap[i*3+2]-127);
}
lightmap += size*3; // skip to next lightmap
deluxmap += size*3;
}
}
else
{
deluxmap = (surf->samples - currentmodel->lightdata)*3 + currentmodel->deluxdata;
for (maps = 0 ; maps < MAXLIGHTMAPS && surf->styles[maps] != 255 ;
maps++)
{
scale = d_lightstylevalue[surf->styles[maps]];
for (i=0 ; i<size ; i++)
{
intensity = (lightmap[i]) * scale;
blocknormals[i][0] += intensity*(deluxmap[i*3+0]-127);
blocknormals[i][1] += intensity*(deluxmap[i*3+1]-127);
blocknormals[i][2] += intensity*(deluxmap[i*3+2]-127);
}
lightmap += size; // skip to next lightmap
deluxmap += size*3;
}
}
}
store:
// add all the dynamic lights
// if (surf->dlightframe == r_framecount)
// GLR_AddDynamicLightNorms (surf);
// bound, invert, and shift
stride -= smax*3;
bnorm = blocknormals[0];
for (i=0 ; i<tmax ; i++, dest += stride)
{
for (j=0 ; j<smax ; j++)
{
temp[0] = bnorm[0];
temp[1] = bnorm[1];
temp[2] = bnorm[2]; //half the effect? so we emulate light's scalecos of 0.5
VectorNormalize(temp);
dest[0] = (temp[0]+1)/2*255;
dest[1] = (temp[1]+1)/2*255;
dest[2] = (temp[2]+1)/2*255;
dest += 3;
bnorm+=3;
}
}
}
/*
===============
R_BuildLightMap
Combine and scale multiple lightmaps into the 8.8 format in blocklights
===============
*/
static void Surf_BuildLightMap (msurface_t *surf, qbyte *dest, qbyte *deluxdest, stmap *stainsrc, int shift)
{
int smax, tmax;
int t;
int i, j, size;
qbyte *lightmap;
unsigned scale;
int maps;
unsigned *bl;
qboolean isstained;
extern cvar_t r_ambient;
extern cvar_t gl_lightmap_shift;
#ifdef PEXT_LIGHTSTYLECOL
unsigned *blg;
unsigned *blb;
int r, g, b;
int cr, cg, cb;
#endif
int stride = LMBLOCK_WIDTH*lightmap_bytes;
if (!surf->samples && currentmodel->lightdata)
return;
shift += 7; // increase to base value
surf->cached_dlight = (surf->dlightframe == r_framecount);
smax = (surf->extents[0]>>4)+1;
tmax = (surf->extents[1]>>4)+1;
size = smax*tmax;
lightmap = surf->samples;
if (size > MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE)
{ //fixme: fill in?
Con_Printf("Lightmap too large\n");
return;
}
if (currentmodel->deluxdata)
Surf_BuildDeluxMap(surf, deluxdest);
#ifdef PEXT_LIGHTSTYLECOL
if (lightmap_bytes == 4 || lightmap_bytes == 3)
{
// set to full bright if no light data
if (r_fullbright.value>0) //not qw
{
for (i=0 ; i<size ; i++)
{
blocklights[i] = r_fullbright.value*255*256;
greenblklights[i] = r_fullbright.value*255*256;
blueblklights[i] = r_fullbright.value*255*256;
}
// if (r_fullbright.value < 1)
{
if (surf->dlightframe == r_framecount)
Surf_AddDynamicLightsColours (surf);
}
goto store;
}
if (!currentmodel->lightdata)
{
for (i=0 ; i<size ; i++)
{
blocklights[i] = 255*256;
greenblklights[i] = 255*256;
blueblklights[i] = 255*256;
}
if (surf->dlightframe == r_framecount)
Surf_AddDynamicLightsColours (surf);
goto store;
}
// clear to no light
t = r_ambient.value*255;
for (i=0 ; i<size ; i++)
{
blocklights[i] = t;
greenblklights[i] = t;
blueblklights[i] = t;
}
// add all the lightmaps
if (lightmap)
{
if (currentmodel->fromgame == fg_quake3) //rgb
{
/* for (maps = 0 ; maps < MAXLIGHTMAPS && surf->styles[maps] != 255 ;
maps++) //no light styles in q3 apparently.
{
scale = d_lightstylevalue[surf->styles[maps]];
surf->cached_light[maps] = scale; // 8.8 fraction
surf->cached_colour[maps] = cl_lightstyle[surf->styles[maps]].colour;
}
*/
for (i = 0; i < tmax; i++) //q3 maps store their light in a block fashion, q1/q2/hl store it in a linear fashion.
{
for (j = 0; j < smax; j++)
{
blocklights[i*smax+j] = 255*lightmap[(i*LMBLOCK_WIDTH+j)*3];
greenblklights[i*smax+j] = 255*lightmap[(i*LMBLOCK_WIDTH+j)*3+1];
blueblklights[i*smax+j] = 255*lightmap[(i*LMBLOCK_WIDTH+j)*3+2];
}
}
// memset(blocklights, 255, sizeof(blocklights));
}
else if (currentmodel->engineflags & MDLF_RGBLIGHTING) //rgb
{
for (maps = 0 ; maps < MAXLIGHTMAPS && surf->styles[maps] != 255 ;
maps++)
{
scale = d_lightstylevalue[surf->styles[maps]];
surf->cached_light[maps] = scale; // 8.8 fraction
surf->cached_colour[maps] = cl_lightstyle[surf->styles[maps]].colour;
if (cl_lightstyle[surf->styles[maps]].colour == 7) //hopefully a faster alternative.
{
for (i=0 ; i<size ; i++)
{
blocklights[i] += lightmap[i*3 ] * scale;
greenblklights[i] += lightmap[i*3+1] * scale;
blueblklights[i] += lightmap[i*3+2] * scale;
}
}
else
{
if (cl_lightstyle[surf->styles[maps]].colour & 1)
for (i=0 ; i<size ; i++)
blocklights[i] += lightmap[i*3 ] * scale;
if (cl_lightstyle[surf->styles[maps]].colour & 2)
for (i=0 ; i<size ; i++)
greenblklights[i] += lightmap[i*3+1] * scale;
if (cl_lightstyle[surf->styles[maps]].colour & 4)
for (i=0 ; i<size ; i++)
blueblklights[i] += lightmap[i*3+2] * scale;
}
lightmap += size*3; // skip to next lightmap
}
}
else
for (maps = 0 ; maps < MAXLIGHTMAPS && surf->styles[maps] != 255 ;
maps++)
{
scale = d_lightstylevalue[surf->styles[maps]];
surf->cached_light[maps] = scale; // 8.8 fraction
surf->cached_colour[maps] = cl_lightstyle[surf->styles[maps]].colour;
if (cl_lightstyle[surf->styles[maps]].colour == 7) //hopefully a faster alternative.
{
for (i=0 ; i<size ; i++)
{
blocklights[i] += lightmap[i] * scale;
greenblklights[i] += lightmap[i] * scale;
blueblklights[i] += lightmap[i] * scale;
}
}
else
{
if (cl_lightstyle[surf->styles[maps]].colour & 1)
for (i=0 ; i<size ; i++)
blocklights[i] += lightmap[i] * scale;
if (cl_lightstyle[surf->styles[maps]].colour & 2)
for (i=0 ; i<size ; i++)
greenblklights[i] += lightmap[i] * scale;
if (cl_lightstyle[surf->styles[maps]].colour & 4)
for (i=0 ; i<size ; i++)
blueblklights[i] += lightmap[i] * scale;
}
lightmap += size; // skip to next lightmap
}
}
// add all the dynamic lights
if (surf->dlightframe == r_framecount)
Surf_AddDynamicLightsColours (surf);
}
else
{
#endif
// set to full bright if no light data
if (r_fullbright.value || !currentmodel->lightdata)
{
for (i=0 ; i<size ; i++)
blocklights[i] = 255*256;
goto store;
}
// clear to no light
for (i=0 ; i<size ; i++)
blocklights[i] = 0;
// add all the lightmaps
if (lightmap)
{
if (currentmodel->engineflags & MDLF_RGBLIGHTING) //rgb
for (maps = 0 ; maps < MAXLIGHTMAPS && surf->styles[maps] != 255 ;
maps++)
{
scale = d_lightstylevalue[surf->styles[maps]]/3;
surf->cached_light[maps] = scale; // 8.8 fraction
surf->cached_colour[maps] = cl_lightstyle[surf->styles[maps]].colour;
for (i=0 ; i<size ; i++)
blocklights[i] += (lightmap[i*3]+lightmap[i*3+1]+lightmap[i*3+2]) * scale;
lightmap += size*3; // skip to next lightmap
}
else
for (maps = 0 ; maps < MAXLIGHTMAPS && surf->styles[maps] != 255 ;
maps++)
{
scale = d_lightstylevalue[surf->styles[maps]];
surf->cached_light[maps] = scale; // 8.8 fraction
surf->cached_colour[maps] = cl_lightstyle[surf->styles[maps]].colour;
for (i=0 ; i<size ; i++)
blocklights[i] += lightmap[i] * scale;
lightmap += size; // skip to next lightmap
}
}
// add all the dynamic lights
if (surf->dlightframe == r_framecount)
Surf_AddDynamicLights (surf);
#ifdef PEXT_LIGHTSTYLECOL
}
#endif
// bound, invert, and shift
store:
#ifdef INVERTLIGHTMAPS
switch (gl_lightmap_format)
{
#ifdef PEXT_LIGHTSTYLECOL
case GL_RGBA:
stride -= (smax<<2);
bl = blocklights;
blg = greenblklights;
blb = blueblklights;
if (!r_stains.value)
isstained = false;
else
isstained = surf->stained;
/* if (!gl_lightcomponantreduction.value)
{
for (i=0 ; i<tmax ; i++, dest += stride)
{
for (j=0 ; j<smax ; j++)
{
t = *bl++;
t >>= 7;
if (t > 255)
dest[0] = 0;
else if (t < 0)
dest[0] = 256;
else
dest[0] = (255-t);
t = *blg++;
t >>= 7;
if (t > 255)
dest[1] = 0;
else if (t < 0)
dest[1] = 256;
else
dest[1] = (255-t);
t = *blb++;
t >>= 7;
if (t > 255)
dest[2] = 0;
else if (t < 0)
dest[2] = 256;
else
dest[2] = (255-t);
dest[3] = 0;//(dest[0]+dest[1]+dest[2])/3;
dest += 4;
}
}
}
else
*/ {
stmap *stain;
for (i=0 ; i<tmax ; i++, dest += stride)
{
stain = stainsrc + i*LMBLOCK_WIDTH*3;
for (j=0 ; j<smax ; j++)
{
r = *bl++;
g = *blg++;
b = *blb++;
r >>= shift;
g >>= shift;
b >>= shift;
if (isstained) // merge in stain
{
r = (127+r*(*stain++)) >> 8;
g = (127+g*(*stain++)) >> 8;
b = (127+b*(*stain++)) >> 8;
}
cr = 0;
cg = 0;
cb = 0;
if (r > 255) //ak too much red
{
cr -= (255-r)/2;
cg += (255-r)/4; //reduce it, and indicate to drop the others too.
cb += (255-r)/4;
r = 255;
}
// else if (r < 0)
// r = 0;
if (g > 255)
{
cr += (255-g)/4;
cg -= (255-g)/2;
cb += (255-g)/4;
g = 255;
}
// else if (g < 0)
// g = 0;
if (b > 255)
{
cr += (255-b)/4;
cg += (255-b)/4;
cb -= (255-b)/2;
b = 255;
}
// else if (b < 0)
// b = 0;
//*
if ((r+cr) > 255)
dest[0] = 0; //inverse lighting
else if ((r+cr) < 0)
dest[0] = 255;
else
dest[0] = 255-(r+cr);
if ((g+cg) > 255)
dest[1] = 0;
else if ((g+cg) < 0)
dest[1] = 255;
else
dest[1] = 255-(g+cg);
if ((b+cb) > 255)
dest[2] = 0;
else if ((b+cb) < 0)
dest[2] = 255;
else
dest[2] = 255-(b+cb);
/*/
if ((r+cr) > 255)
dest[0] = 255; //non-inverse lighting
else if ((r+cr) < 0)
dest[0] = 0;
else
dest[0] = (r+cr);
if ((g+cg) > 255)
dest[1] = 255;
else if ((g+cg) < 0)
dest[1] = 0;
else
dest[1] = (g+cg);
if ((b+cb) > 255)
dest[2] = 255;
else if ((b+cb) < 0)
dest[2] = 0;
else
dest[2] = (b+cb);
*/
dest[3] = (dest[0]+dest[1]+dest[2])/3; //alpha?!?!
dest += 4;
}
}
}
break;
case GL_RGB:
stride -= smax*3;
bl = blocklights;
blg = greenblklights;
blb = blueblklights;
if (!r_stains.value)
isstained = false;
else
isstained = surf->stained;
/* if (!gl_lightcomponantreduction.value)
{
for (i=0 ; i<tmax ; i++, dest += stride)
{
for (j=0 ; j<smax ; j++)
{
t = *bl++;
t >>= 7;
if (t > 255)
dest[0] = 0;
else if (t < 0)
dest[0] = 256;
else
dest[0] = (255-t);
t = *blg++;
t >>= 7;
if (t > 255)
dest[1] = 0;
else if (t < 0)
dest[1] = 256;
else
dest[1] = (255-t);
t = *blb++;
t >>= 7;
if (t > 255)
dest[2] = 0;
else if (t < 0)
dest[2] = 256;
else
dest[2] = (255-t);
dest += 3;
}
}
}
else
*/ {
stmap *stain;
for (i=0 ; i<tmax ; i++, dest += stride)
{
stain = stainsrc + i*LMBLOCK_WIDTH*3;
for (j=0 ; j<smax ; j++)
{
r = *bl++;
g = *blg++;
b = *blb++;
r >>= shift;
g >>= shift;
b >>= shift;
if (isstained) // merge in stain
{
r = (127+r*(*stain++)) >> 8;
g = (127+g*(*stain++)) >> 8;
b = (127+b*(*stain++)) >> 8;
}
cr = 0;
cg = 0;
cb = 0;
if (r > 255) //ak too much red
{
cr -= (255-r)/2;
cg += (255-r)/4; //reduce it, and indicate to drop the others too.
cb += (255-r)/4;
r = 255;
}
// else if (r < 0)
// r = 0;
if (g > 255)
{
cr += (255-g)/4;
cg -= (255-g)/2;
cb += (255-g)/4;
g = 255;
}
// else if (g < 0)
// g = 0;
if (b > 255)
{
cr += (255-b)/4;
cg += (255-b)/4;
cb -= (255-b)/2;
b = 255;
}
// else if (b < 0)
// b = 0;
//*
if ((r+cr) > 255)
dest[0] = 0; //inverse lighting
else if ((r+cr) < 0)
dest[0] = 255;
else
dest[0] = 255-(r+cr);
if ((g+cg) > 255)
dest[1] = 0;
else if ((g+cg) < 0)
dest[1] = 255;
else
dest[1] = 255-(g+cg);
if ((b+cb) > 255)
dest[2] = 0;
else if ((b+cb) < 0)
dest[2] = 255;
else
dest[2] = 255-(b+cb);
/*/
if ((r+cr) > 255)
dest[0] = 255; //non-inverse lighting
else if ((r+cr) < 0)
dest[0] = 0;
else
dest[0] = (r+cr);
if ((g+cg) > 255)
dest[1] = 255;
else if ((g+cg) < 0)
dest[1] = 0;
else
dest[1] = (g+cg);
if ((b+cb) > 255)
dest[2] = 255;
else if ((b+cb) < 0)
dest[2] = 0;
else
dest[2] = (b+cb);
// */
dest += 3;
}
}
}
break;
#else
case GL_RGBA:
stride -= (smax<<2);
bl = blocklights;
for (i=0 ; i<tmax ; i++, dest += stride)
{
for (j=0 ; j<smax ; j++)
{
t = *bl++;
t >>= shift;
if (t > 255)
t = 255;
dest[3] = 255-t;
dest += 4;
}
}
break;
#endif
case GL_ALPHA:
case GL_LUMINANCE:
case GL_INTENSITY:
bl = blocklights;
for (i=0 ; i<tmax ; i++, dest += stride)
{
for (j=0 ; j<smax ; j++)
{
t = *bl++;
t >>= shift;
if (t > 255)
t = 255;
dest[j] = 255-t;
}
}
break;
default:
Sys_Error ("Bad lightmap format");
}
#else
switch (lightmap_bytes)
{
#ifdef PEXT_LIGHTSTYLECOL
case 4:
stride -= (smax<<2);
bl = blocklights;
blg = greenblklights;
blb = blueblklights;
if (!r_stains.value)
isstained = false;
else
isstained = surf->stained;
/* if (!gl_lightcomponantreduction.value)
{
for (i=0 ; i<tmax ; i++, dest += stride)
{
for (j=0 ; j<smax ; j++)
{
t = *bl++;
t >>= 7;
if (t > 255)
dest[0] = 0;
else if (t < 0)
dest[0] = 256;
else
dest[0] = (255-t);
t = *blg++;
t >>= 7;
if (t > 255)
dest[1] = 0;
else if (t < 0)
dest[1] = 256;
else
dest[1] = (255-t);
t = *blb++;
t >>= 7;
if (t > 255)
dest[2] = 0;
else if (t < 0)
dest[2] = 256;
else
dest[2] = (255-t);
dest[3] = 0;//(dest[0]+dest[1]+dest[2])/3;
dest += 4;
}
}
}
else
*/ {
stmap *stain;
for (i=0 ; i<tmax ; i++, dest += stride)
{
stain = stainsrc + i*LMBLOCK_WIDTH*3;
for (j=0 ; j<smax ; j++)
{
r = *bl++;
g = *blg++;
b = *blb++;
r >>= shift;
g >>= shift;
b >>= shift;
if (isstained) // merge in stain
{
r = (127+r*(*stain++)) >> 8;
g = (127+g*(*stain++)) >> 8;
b = (127+b*(*stain++)) >> 8;
}
cr = 0;
cg = 0;
cb = 0;
if (r > 255) //ak too much red
{
cr -= (255-r)/2;
cg += (255-r)/4; //reduce it, and indicate to drop the others too.
cb += (255-r)/4;
r = 255;
}
// else if (r < 0)
// r = 0;
if (g > 255)
{
cr += (255-g)/4;
cg -= (255-g)/2;
cb += (255-g)/4;
g = 255;
}
// else if (g < 0)
// g = 0;
if (b > 255)
{
cr += (255-b)/4;
cg += (255-b)/4;
cb -= (255-b)/2;
b = 255;
}
// else if (b < 0)
// b = 0;
//*
if ((r+cr) > 255)
dest[0] = 0; //inverse lighting
else if ((r+cr) < 0)
dest[0] = 255;
else
dest[0] = 255-(r+cr);
if ((g+cg) > 255)
dest[1] = 0;
else if ((g+cg) < 0)
dest[1] = 255;
else
dest[1] = 255-(g+cg);
if ((b+cb) > 255)
dest[2] = 0;
else if ((b+cb) < 0)
dest[2] = 255;
else
dest[2] = 255-(b+cb);
/*/
if ((r+cr) > 255)
dest[0] = 255; //non-inverse lighting
else if ((r+cr) < 0)
dest[0] = 0;
else
dest[0] = (r+cr);
if ((g+cg) > 255)
dest[1] = 255;
else if ((g+cg) < 0)
dest[1] = 0;
else
dest[1] = (g+cg);
if ((b+cb) > 255)
dest[2] = 255;
else if ((b+cb) < 0)
dest[2] = 0;
else
dest[2] = (b+cb);
*/
dest[3] = (dest[0]+dest[1]+dest[2])/3; //alpha?!?!
dest += 4;
}
}
}
break;
case 3:
stride -= smax*3;
bl = blocklights;
blg = greenblklights;
blb = blueblklights;
if (!r_stains.value)
isstained = false;
else
isstained = surf->stained;
/* if (!gl_lightcomponantreduction.value)
{
for (i=0 ; i<tmax ; i++, dest += stride)
{
for (j=0 ; j<smax ; j++)
{
t = *bl++;
t >>= 7;
if (t > 255)
dest[0] = 255;
else if (t < 0)
dest[0] = 0;
else
dest[0] = t;
t = *blg++;
t >>= 7;
if (t > 255)
dest[1] = 255;
else if (t < 0)
dest[1] = 0;
else
dest[1] = t;
t = *blb++;
t >>= 7;
if (t > 255)
dest[2] = 255;
else if (t < 0)
dest[2] = 0;
else
dest[2] = t;
dest += 3;
}
}
}
else
*/ {
stmap *stain;
for (i=0 ; i<tmax ; i++, dest += stride)
{
stain = stainsrc + i*LMBLOCK_WIDTH*3;
for (j=0 ; j<smax ; j++)
{
r = *bl++;
g = *blg++;
b = *blb++;
r >>= shift;
g >>= shift;
b >>= shift;
if (isstained) // merge in stain
{
r = (127+r*(*stain++)) >> 8;
g = (127+g*(*stain++)) >> 8;
b = (127+b*(*stain++)) >> 8;
}
cr = 0;
cg = 0;
cb = 0;
if (r > 255) //ak too much red
{
cr -= (255-r)/2;
cg += (255-r)/4; //reduce it, and indicate to drop the others too.
cb += (255-r)/4;
r = 255;
}
// else if (r < 0)
// r = 0;
if (g > 255)
{
cr += (255-g)/4;
cg -= (255-g)/2;
cb += (255-g)/4;
g = 255;
}
// else if (g < 0)
// g = 0;
if (b > 255)
{
cr += (255-b)/4;
cg += (255-b)/4;
cb -= (255-b)/2;
b = 255;
}
// else if (b < 0)
// b = 0;
//*
if ((r+cr) > 255)
dest[0] = 255; //inverse lighting
else if ((r+cr) < 0)
dest[0] = 0;
else
dest[0] = (r+cr);
if ((g+cg) > 255)
dest[1] = 255;
else if ((g+cg) < 0)
dest[1] = 0;
else
dest[1] = (g+cg);
if ((b+cb) > 255)
dest[2] = 255;
else if ((b+cb) < 0)
dest[2] = 0;
else
dest[2] = (b+cb);
/*/
if ((r+cr) > 255)
dest[0] = 255; //non-inverse lighting
else if ((r+cr) < 0)
dest[0] = 0;
else
dest[0] = (r+cr);
if ((g+cg) > 255)
dest[1] = 255;
else if ((g+cg) < 0)
dest[1] = 0;
else
dest[1] = (g+cg);
if ((b+cb) > 255)
dest[2] = 255;
else if ((b+cb) < 0)
dest[2] = 0;
else
dest[2] = (b+cb);
// */
dest += 3;
}
}
}
break;
#else
case 4:
stride -= (smax<<2);
bl = blocklights;
for (i=0 ; i<tmax ; i++, dest += stride)
{
for (j=0 ; j<smax ; j++)
{
t = *bl++;
t >>= shift;
if (t > 255)
t = 255;
dest[3] = t;
dest += 4;
}
}
break;
#endif
case 1:
bl = blocklights;
for (i=0 ; i<tmax ; i++, dest += stride)
{
for (j=0 ; j<smax ; j++)
{
t = *bl++;
t >>= shift;
if (t > 255)
t = 255;
dest[j] = t;
}
}
break;
default:
Sys_Error ("Bad lightmap format");
}
#endif
}
/*
=============================================================
BRUSH MODELS
=============================================================
*/
/*
================
R_RenderDynamicLightmaps
Multitexture
================
*/
void Surf_RenderDynamicLightmaps (msurface_t *fa, int shift)
{
qbyte *base, *luxbase;
stmap *stainbase;
int maps;
glRect_t *theRect;
int smax, tmax;
if (!fa->mesh)
return;
//surfaces without lightmaps
if (fa->lightmaptexturenum<0)
return;
//surfaces with lightmaps that do not animate, supposedly
if (fa->texinfo->flags & (TI_SKY|TI_TRANS33|TI_TRANS66|TI_WARP))
return;
// check for lightmap modification
// if (cl.worldmodel->fromgame != fg_quake3) //no lightstyles on q3 maps
{
for (maps = 0 ; maps < MAXLIGHTMAPS && fa->styles[maps] != 255 ;
maps++)
if (d_lightstylevalue[fa->styles[maps]] != fa->cached_light[maps]
#ifdef PEXT_LIGHTSTYLECOL
|| cl_lightstyle[fa->styles[maps]].colour != fa->cached_colour[maps]
#endif
)
goto dynamic;
}
if (fa->dlightframe == r_framecount // dynamic this frame
|| fa->cached_dlight) // dynamic previously
{
RSpeedLocals();
dynamic:
RSpeedRemark();
lightmap[fa->lightmaptexturenum]->modified = true;
smax = (fa->extents[0]>>4)+1;
tmax = (fa->extents[1]>>4)+1;
theRect = &lightmap[fa->lightmaptexturenum]->rectchange;
if (fa->light_t < theRect->t) {
if (theRect->h)
theRect->h += theRect->t - fa->light_t;
theRect->t = fa->light_t;
}
if (fa->light_s < theRect->l) {
if (theRect->w)
theRect->w += theRect->l - fa->light_s;
theRect->l = fa->light_s;
}
if ((theRect->w + theRect->l) < (fa->light_s + smax))
theRect->w = (fa->light_s-theRect->l)+smax;
if ((theRect->h + theRect->t) < (fa->light_t + tmax))
theRect->h = (fa->light_t-theRect->t)+tmax;
if (gl_bump.ival)
{
lightmap[fa->lightmaptexturenum]->deluxmodified = true;
theRect = &lightmap[fa->lightmaptexturenum]->deluxrectchange;
if (fa->light_t < theRect->t) {
if (theRect->h)
theRect->h += theRect->t - fa->light_t;
theRect->t = fa->light_t;
}
if (fa->light_s < theRect->l) {
if (theRect->w)
theRect->w += theRect->l - fa->light_s;
theRect->l = fa->light_s;
}
if ((theRect->w + theRect->l) < (fa->light_s + smax))
theRect->w = (fa->light_s-theRect->l)+smax;
if ((theRect->h + theRect->t) < (fa->light_t + tmax))
theRect->h = (fa->light_t-theRect->t)+tmax;
luxbase = lightmap[fa->lightmaptexturenum]->deluxmaps;
luxbase += fa->light_t * LMBLOCK_WIDTH * 3 + fa->light_s * 3;
}
else
luxbase = NULL;
base = lightmap[fa->lightmaptexturenum]->lightmaps;
base += fa->light_t * LMBLOCK_WIDTH * lightmap_bytes + fa->light_s * lightmap_bytes;
stainbase = lightmap[fa->lightmaptexturenum]->stainmaps;
stainbase += (fa->light_t * LMBLOCK_WIDTH + fa->light_s) * 3;
Surf_BuildLightMap (fa, base, luxbase, stainbase, shift);
RSpeedEnd(RSPEED_DYNAMIC);
}
}
/*
=============================================================
WORLD MODEL
=============================================================
*/
static qbyte *R_MarkLeafSurfaces_Q1 (void)
{
qbyte *vis;
mleaf_t *leaf;
int i, j;
msurface_t *surf;
int shift;
vis = R_CalcVis_Q1();
for (i=0 ; i<cl.worldmodel->numleafs ; i++)
{
if (vis[i>>3] & (1<<(i&7)))
{
leaf = (mleaf_t *)&cl.worldmodel->leafs[i+1];
if (R_CullBox (leaf->minmaxs, leaf->minmaxs+3))
continue;
leaf->visframe = r_visframecount;
for (j = 0; j < leaf->nummarksurfaces; j++)
{
surf = leaf->firstmarksurface[j];
if (surf->visframe == r_visframecount)
continue;
surf->visframe = r_visframecount;
*surf->mark = surf;
}
//deal with static ents.
if (leaf->efrags)
R_StoreEfrags (&leaf->efrags);
}
}
{
texture_t *tex;
shift = Surf_LightmapShift(cl.worldmodel);
for (i = 0; i < cl.worldmodel->numtextures; i++)
{
tex = cl.worldmodel->textures[i];
if (!tex)
continue;
for (j = 0; j < tex->vbo.meshcount; j++)
{
surf = tex->vbo.meshlist[j];
if (surf)
{
Surf_RenderDynamicLightmaps (surf, shift);
tex->vbo.meshlist[j] = NULL;
surf->texturechain = surf->texinfo->texture->texturechain;
surf->texinfo->texture->texturechain = surf;
}
}
}
}
return vis;
}
/*
================
R_RecursiveWorldNode
================
*/
static void Surf_RecursiveWorldNode (mnode_t *node, unsigned int clipflags)
{
int c, side, clipped;
mplane_t *plane, *clipplane;
msurface_t *surf, **mark;
mleaf_t *pleaf;
double dot;
int shift;
start:
if (node->contents == Q1CONTENTS_SOLID)
return; // solid
if (node->visframe != r_visframecount)
return;
for (c = 0, clipplane = frustum; c < 4; c++, clipplane++)
{
if (!(clipflags & (1 << c)))
continue; // don't need to clip against it
clipped = BOX_ON_PLANE_SIDE (node->minmaxs, node->minmaxs + 3, clipplane);
if (clipped == 2)
return;
else if (clipped == 1)
clipflags -= (1<<c); // node is entirely on screen
}
// if a leaf node, draw stuff
if (node->contents < 0)
{
pleaf = (mleaf_t *)node;
mark = pleaf->firstmarksurface;
c = pleaf->nummarksurfaces;
if (c)
{
do
{
(*mark++)->visframe = r_framecount;
} while (--c);
}
// deal with model fragments in this leaf
if (pleaf->efrags)
R_StoreEfrags (&pleaf->efrags);
return;
}
// node is just a decision point, so go down the apropriate sides
// find which side of the node we are on
plane = node->plane;
switch (plane->type)
{
case PLANE_X:
dot = modelorg[0] - plane->dist;
break;
case PLANE_Y:
dot = modelorg[1] - plane->dist;
break;
case PLANE_Z:
dot = modelorg[2] - plane->dist;
break;
default:
dot = DotProduct (modelorg, plane->normal) - plane->dist;
break;
}
if (dot >= 0)
side = 0;
else
side = 1;
// recurse down the children, front side first
Surf_RecursiveWorldNode (node->children[side], clipflags);
// draw stuff
c = node->numsurfaces;
if (c)
{
surf = cl.worldmodel->surfaces + node->firstsurface;
shift = Surf_LightmapShift(cl.worldmodel);
if (dot < 0 -BACKFACE_EPSILON)
side = SURF_PLANEBACK;
else if (dot > BACKFACE_EPSILON)
side = 0;
{
for ( ; c ; c--, surf++)
{
if (surf->visframe != r_framecount)
continue;
if (((dot < 0) ^ !!(surf->flags & SURF_PLANEBACK)))
continue; // wrong side
Surf_RenderDynamicLightmaps (surf, shift);
// if sorting by texture, just store it out
surf->texturechain = surf->texinfo->texture->texturechain;
surf->texinfo->texture->texturechain = surf;
}
}
}
// recurse down the back side
//GLR_RecursiveWorldNode (node->children[!side], clipflags);
node = node->children[!side];
goto start;
}
#ifdef Q2BSPS
static void Surf_RecursiveQ2WorldNode (mnode_t *node)
{
int c, side;
mplane_t *plane;
msurface_t *surf, **mark;
mleaf_t *pleaf;
double dot;
int shift;
int sidebit;
if (node->contents == Q2CONTENTS_SOLID)
return; // solid
if (node->visframe != r_visframecount)
return;
if (R_CullBox (node->minmaxs, node->minmaxs+3))
return;
// if a leaf node, draw stuff
if (node->contents != -1)
{
pleaf = (mleaf_t *)node;
// check for door connected areas
// if (areabits)
{
if (! (areabits[pleaf->area>>3] & (1<<(pleaf->area&7)) ) )
return; // not visible
}
mark = pleaf->firstmarksurface;
c = pleaf->nummarksurfaces;
if (c)
{
do
{
(*mark)->visframe = r_framecount;
mark++;
} while (--c);
}
return;
}
// node is just a decision point, so go down the apropriate sides
// find which side of the node we are on
plane = node->plane;
switch (plane->type)
{
case PLANE_X:
dot = modelorg[0] - plane->dist;
break;
case PLANE_Y:
dot = modelorg[1] - plane->dist;
break;
case PLANE_Z:
dot = modelorg[2] - plane->dist;
break;
default:
dot = DotProduct (modelorg, plane->normal) - plane->dist;
break;
}
if (dot >= 0)
{
side = 0;
sidebit = 0;
}
else
{
side = 1;
sidebit = SURF_PLANEBACK;
}
// recurse down the children, front side first
Surf_RecursiveQ2WorldNode (node->children[side]);
shift = Surf_LightmapShift(currentmodel);
// draw stuff
for ( c = node->numsurfaces, surf = currentmodel->surfaces + node->firstsurface; c ; c--, surf++)
{
if (surf->visframe != r_framecount)
continue;
if ( (surf->flags & SURF_PLANEBACK) != sidebit )
continue; // wrong side
surf->visframe = r_framecount+1;//-1;
Surf_RenderDynamicLightmaps (surf, shift);
surf->texturechain = surf->texinfo->texture->texturechain;
surf->texinfo->texture->texturechain = surf;
}
// recurse down the back side
Surf_RecursiveQ2WorldNode (node->children[!side]);
}
#endif
#ifdef Q3BSPS
static void Surf_LeafWorldNode (void)
{
int i;
int clipflags;
msurface_t **mark, *surf;
mleaf_t *pleaf;
int clipped;
mplane_t *clipplane;
for (pleaf = r_vischain; pleaf; pleaf = pleaf->vischain)
{
// check for door connected areas
// if (areabits)
{
// if (!(areabits[pleaf->area>>3] & (1<<(pleaf->area&7))))
// {
// continue; // not visible
// }
}
clipflags = 15; // 1 | 2 | 4 | 8
// if (!r_nocull->value)
{
for (i=0,clipplane=frustum ; i<4 ; i++,clipplane++)
{
clipped = BoxOnPlaneSide (pleaf->minmaxs, pleaf->minmaxs+3, clipplane);
if (clipped == 2)
{
break;
}
else if (clipped == 1)
{
clipflags &= ~(1<<i); // node is entirely on screen
}
}
if (i != 4)
{
continue;
}
}
i = pleaf->nummarksurfaces;
mark = pleaf->firstmarksurface;
do
{
surf = *mark++;
if (surf->visframe != r_framecount) //sufraces exist in multiple leafs.
{
surf->visframe = r_framecount;
if (surf->mark)
*surf->mark = surf;
/*
surf->texturechain = surf->texinfo->texture->texturechain;
surf->texinfo->texture->texturechain = surf;#
*/
}
} while (--i);
// c_world_leafs++;
}
{
int j;
texture_t *tex;
for (i = 0; i < cl.worldmodel->numtextures; i++)
{
tex = cl.worldmodel->textures[i];
if (!tex)
continue;
for (j = 0; j < tex->vbo.meshcount; j++)
{
surf = tex->vbo.meshlist[j];
if (surf)
{
tex->vbo.meshlist[j] = NULL;
surf->texturechain = surf->texinfo->texture->texturechain;
surf->texinfo->texture->texturechain = surf;
}
}
}
}
}
#endif
static void Surf_ClearChains(void)
{
int i;
for (i = 0; i < cl.worldmodel->numtextures; i++)
{
if (!cl.worldmodel->textures[i])
continue;
cl.worldmodel->textures[i]->texturechain = NULL;
cl.worldmodel->textures[i]->texturechain_tail = &cl.worldmodel->textures[i]->texturechain;
}
}
static void Surf_CleanChains(void)
{
int i;
model_t *model = cl.worldmodel;
for (i=0 ; i<model->numtextures ; i++)
{
model->textures[i]->texturechain = NULL;
}
}
//most of this is a direct copy from gl
void Surf_SetupFrame(void)
{
mleaf_t *leaf;
vec3_t temp;
R_AnimateLight();
r_framecount++;
if (r_refdef.flags & Q2RDF_NOWORLDMODEL)
{
}
#ifdef Q2BSPS
else if (cl.worldmodel && (cl.worldmodel->fromgame == fg_quake2 || cl.worldmodel->fromgame == fg_quake3))
{
static mleaf_t fakeleaf;
mleaf_t *leaf;
r_viewleaf = &fakeleaf; //so we can use quake1 rendering routines for q2 bsps.
r_viewleaf->contents = Q1CONTENTS_EMPTY;
r_viewleaf2 = NULL;
r_oldviewcluster = r_viewcluster;
r_oldviewcluster2 = r_viewcluster2;
leaf = RMod_PointInLeaf (cl.worldmodel, r_origin);
r_viewcluster = r_viewcluster2 = leaf->cluster;
// check above and below so crossing solid water doesn't draw wrong
if (!leaf->contents)
{ // look down a bit
vec3_t temp;
VectorCopy (r_origin, temp);
temp[2] -= 16;
leaf = RMod_PointInLeaf (cl.worldmodel, temp);
if ( !(leaf->contents & Q2CONTENTS_SOLID) &&
(leaf->cluster != r_viewcluster2) )
r_viewcluster2 = leaf->cluster;
}
else
{ // look up a bit
vec3_t temp;
VectorCopy (r_origin, temp);
temp[2] += 16;
leaf = RMod_PointInLeaf (cl.worldmodel, temp);
if ( !(leaf->contents & Q2CONTENTS_SOLID) &&
(leaf->cluster != r_viewcluster2) )
r_viewcluster2 = leaf->cluster;
}
}
#endif
else
{
r_oldviewleaf = r_viewleaf;
r_oldviewleaf2 = r_viewleaf2;
r_viewleaf = RMod_PointInLeaf (cl.worldmodel, r_origin);
if (!r_viewleaf)
{
}
else if (r_viewleaf->contents == Q1CONTENTS_EMPTY)
{ //look down a bit
VectorCopy (r_origin, temp);
temp[2] -= 16;
leaf = RMod_PointInLeaf (cl.worldmodel, temp);
if (leaf->contents <= Q1CONTENTS_WATER && leaf->contents >= Q1CONTENTS_LAVA)
r_viewleaf2 = leaf;
else
r_viewleaf2 = NULL;
}
else if (r_viewleaf->contents <= Q1CONTENTS_WATER && r_viewleaf->contents >= Q1CONTENTS_LAVA)
{ //in water, look up a bit.
VectorCopy (r_origin, temp);
temp[2] += 16;
leaf = RMod_PointInLeaf (cl.worldmodel, temp);
if (leaf->contents == Q1CONTENTS_EMPTY)
r_viewleaf2 = leaf;
else
r_viewleaf2 = NULL;
}
else
r_viewleaf2 = NULL;
if (r_viewleaf)
V_SetContentsColor (r_viewleaf->contents);
}
}
/*
=============
R_DrawWorld
=============
*/
void Surf_DrawWorld (void)
{
qbyte *vis;
RSpeedLocals();
entity_t ent;
Surf_SetupFrame();
memset (&ent, 0, sizeof(ent));
ent.model = cl.worldmodel;
currentmodel = cl.worldmodel;
currententity = &ent;
#ifdef TERRAIN
if (currentmodel->type == mod_heightmap)
GL_DrawHeightmapModel(currententity);
else
#endif
{
Surf_ClearChains();
RSpeedRemark();
#ifdef Q2BSPS
if (ent.model->fromgame == fg_quake2 || ent.model->fromgame == fg_quake3)
{
int leafnum;
int clientarea;
#ifdef QUAKE2
if (cls.protocol == CP_QUAKE2) //we can get server sent info
memcpy(areabits, cl.q2frame.areabits, sizeof(areabits));
else
#endif
{ //generate the info each frame.
leafnum = CM_PointLeafnum (cl.worldmodel, r_refdef.vieworg);
clientarea = CM_LeafArea (cl.worldmodel, leafnum);
CM_WriteAreaBits(cl.worldmodel, areabits, clientarea);
}
#ifdef Q3BSPS
if (ent.model->fromgame == fg_quake3)
{
vis = R_MarkLeaves_Q3 ();
Surf_LeafWorldNode ();
}
else
#endif
{
vis = R_MarkLeaves_Q2 ();
VectorCopy (r_refdef.vieworg, modelorg);
Surf_RecursiveQ2WorldNode (cl.worldmodel->nodes);
}
}
else
#endif
{
extern cvar_t temp1;
if (0)//temp1.value)
vis = R_MarkLeafSurfaces_Q1();
else
{
vis = R_MarkLeaves_Q1 ();
VectorCopy (r_refdef.vieworg, modelorg);
Surf_RecursiveWorldNode (cl.worldmodel->nodes, 0xf);
}
}
RSpeedEnd(RSPEED_WORLDNODE);
TRACE(("dbg: calling BE_DrawWorld\n"));
BE_DrawWorld(vis);
Surf_CleanChains();
Surf_LessenStains();
}
}
/*
=============================================================================
LIGHTMAP ALLOCATION
=============================================================================
*/
// returns a texture number and the position inside it
static int Surf_LM_AllocBlock (int w, int h, int *x, int *y)
{
int i, j;
int best, best2;
int texnum;
for (texnum=0 ; ; texnum++)
{
if (texnum == numlightmaps) //allocate 4 more lightmap slots. not much memory usage, but we don't want any caps here.
{
lightmap = BZ_Realloc(lightmap, sizeof(*lightmap)*(numlightmaps+4));
lightmap[numlightmaps+0] = NULL;
lightmap[numlightmaps+1] = NULL;
lightmap[numlightmaps+2] = NULL;
lightmap[numlightmaps+3] = NULL;
lightmap_textures = BZ_Realloc(lightmap_textures, sizeof(*lightmap_textures)*(numlightmaps+4));
lightmap_textures[numlightmaps+0] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
lightmap_textures[numlightmaps+1] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
lightmap_textures[numlightmaps+2] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
lightmap_textures[numlightmaps+3] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
deluxmap_textures = BZ_Realloc(deluxmap_textures, sizeof(*deluxmap_textures)*(numlightmaps+4));
deluxmap_textures[numlightmaps+0] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
deluxmap_textures[numlightmaps+1] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
deluxmap_textures[numlightmaps+2] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
deluxmap_textures[numlightmaps+3] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
numlightmaps+=4;
}
if (!lightmap[texnum])
{
lightmap[texnum] = Z_Malloc(sizeof(*lightmap[texnum]));
lightmap[texnum]->meshchain = NULL;
lightmap[texnum]->modified = true;
// reset stainmap since it now starts at 255
memset(lightmap[texnum]->stainmaps, 255, sizeof(lightmap[texnum]->stainmaps));
//clear out the deluxmaps incase there is none on the map.
for (j = 0; j < LMBLOCK_HEIGHT*LMBLOCK_HEIGHT*3; j+=3)
{
lightmap[texnum]->deluxmaps[j+0] = 128;
lightmap[texnum]->deluxmaps[j+1] = 128;
lightmap[texnum]->deluxmaps[j+2] = 255;
}
}
best = LMBLOCK_HEIGHT;
for (i=0 ; i<LMBLOCK_WIDTH-w ; i++)
{
best2 = 0;
for (j=0 ; j<w ; j++)
{
if (lightmap[texnum]->allocated[i+j] >= best)
break;
if (lightmap[texnum]->allocated[i+j] > best2)
best2 = lightmap[texnum]->allocated[i+j];
}
if (j == w)
{ // this is a valid spot
*x = i;
*y = best = best2;
}
}
if (best + h > LMBLOCK_HEIGHT)
continue;
for (i=0 ; i<w ; i++)
lightmap[texnum]->allocated[*x + i] = best + h;
return texnum;
}
Sys_Error ("AllocBlock: full");
return 0;
}
//quake3 maps have their lightmaps in gl style already.
//rather than forgetting that and redoing it, let's just keep the data.
static int Surf_LM_FillBlock (int texnum, int w, int h, int x, int y)
{
int i, l;
while (texnum >= numlightmaps) //allocate 4 more lightmap slots. not much memory usage, but we don't want any caps here.
{
lightmap = BZ_Realloc(lightmap, sizeof(*lightmap)*(numlightmaps+4));
lightmap[numlightmaps+0] = NULL;
lightmap[numlightmaps+1] = NULL;
lightmap[numlightmaps+2] = NULL;
lightmap[numlightmaps+3] = NULL;
lightmap_textures = BZ_Realloc(lightmap_textures, sizeof(*lightmap_textures)*(numlightmaps+4));
lightmap_textures[numlightmaps+0] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
lightmap_textures[numlightmaps+1] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
lightmap_textures[numlightmaps+2] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
lightmap_textures[numlightmaps+3] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
deluxmap_textures = BZ_Realloc(deluxmap_textures, sizeof(*deluxmap_textures)*(numlightmaps+4));
deluxmap_textures[numlightmaps+0] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
deluxmap_textures[numlightmaps+1] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
deluxmap_textures[numlightmaps+2] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
deluxmap_textures[numlightmaps+3] = R_AllocNewTexture(LMBLOCK_WIDTH, LMBLOCK_HEIGHT);
numlightmaps+=4;
}
for (i = texnum; i >= 0; i--)
{
if (!lightmap[i])
{
lightmap[i] = BZ_Malloc(sizeof(*lightmap[i]));
lightmap[i]->meshchain = NULL;
lightmap[i]->modified = true;
for (l=0 ; l<LMBLOCK_HEIGHT ; l++)
{
lightmap[i]->allocated[l] = LMBLOCK_HEIGHT;
}
//clear out the deluxmaps incase there is none on the map.
for (l = 0; l < LMBLOCK_HEIGHT*LMBLOCK_HEIGHT*3; l+=3)
{
lightmap[i]->deluxmaps[l+0] = 0;
lightmap[i]->deluxmaps[l+1] = 0;
lightmap[i]->deluxmaps[l+2] = 255;
}
//maybe someone screwed with my lightmap...
memset(lightmap[i]->lightmaps, 255, LMBLOCK_HEIGHT*LMBLOCK_HEIGHT*3);
if (cl.worldmodel->lightdata)
{
memcpy(lightmap[i]->lightmaps, cl.worldmodel->lightdata+3*LMBLOCK_HEIGHT*LMBLOCK_HEIGHT*i, LMBLOCK_HEIGHT*LMBLOCK_HEIGHT*3);
}
else
{
char basename[MAX_QPATH];
COM_StripExtension(cl.worldmodel->name, basename, sizeof(basename));
lightmap_textures[i] = R_LoadHiResTexture(va("%s/lm_%04i", basename, i), NULL, IF_NOALPHA|IF_NOGAMMA);
lightmap[i]->modified = false;
}
}
else
break;
}
return texnum;
}
static int nColinElim;
/*
================
BuildSurfaceDisplayList
FIXME: this is probably misplaced
================
*/
void Surf_BuildSurfaceDisplayList (model_t *model, msurface_t *fa)
{
int i, lindex, lnumverts;
medge_t *pedges, *r_pedge;
int vertpage;
float *vec;
float s, t;
int lm;
extern mesh_t nullmesh;
// reconstruct the polygon
pedges = model->edges;
lnumverts = fa->numedges;
vertpage = 0;
if (!lnumverts)
{
fa->mesh = &nullmesh;
return;
}
{ //build a nice mesh instead of a poly.
int size = sizeof(mesh_t) + sizeof(index_t)*(lnumverts-2)*3 + (sizeof(vecV_t) + 3*sizeof(vec3_t) + 2*sizeof(vec2_t) + sizeof(vec4_t))*lnumverts;
mesh_t *mesh;
fa->mesh = mesh = Hunk_Alloc(size);
mesh->xyz_array = (vecV_t*)(mesh + 1);
mesh->normals_array = (vec3_t*)(mesh->xyz_array + lnumverts);
mesh->snormals_array = (vec3_t*)(mesh->normals_array + lnumverts);
mesh->tnormals_array = (vec3_t*)(mesh->snormals_array + lnumverts);
mesh->st_array = (vec2_t*)(mesh->tnormals_array + lnumverts);
mesh->lmst_array = (vec2_t*)(mesh->st_array + lnumverts);
mesh->colors4f_array = (vec4_t*)(mesh->lmst_array + lnumverts);
mesh->indexes = (index_t*)(mesh->colors4f_array + lnumverts);
mesh->numindexes = (lnumverts-2)*3;
mesh->numvertexes = lnumverts;
mesh->istrifan = true;
for (i=0 ; i<lnumverts-2 ; i++)
{
mesh->indexes[i*3] = 0;
mesh->indexes[i*3+1] = i+1;
mesh->indexes[i*3+2] = i+2;
}
for (i=0 ; i<lnumverts ; i++)
{
lindex = model->surfedges[fa->firstedge + i];
if (lindex > 0)
{
r_pedge = &pedges[lindex];
vec = model->vertexes[r_pedge->v[0]].position;
}
else
{
r_pedge = &pedges[-lindex];
vec = model->vertexes[r_pedge->v[1]].position;
}
s = DotProduct (vec, fa->texinfo->vecs[0]) + fa->texinfo->vecs[0][3];
t = DotProduct (vec, fa->texinfo->vecs[1]) + fa->texinfo->vecs[1][3];
VectorCopy (vec, mesh->xyz_array[i]);
mesh->st_array[i][0] = s/fa->texinfo->texture->width;
mesh->st_array[i][1] = t/fa->texinfo->texture->height;
s -= fa->texturemins[0];
lm = s*fa->light_t;
s += fa->light_s*16;
s += 8;
s /= LMBLOCK_WIDTH*16;
t -= fa->texturemins[1];
lm += t;
t += fa->light_t*16;
t += 8;
t /= LMBLOCK_HEIGHT*16;
mesh->lmst_array[i][0] = s;
mesh->lmst_array[i][1] = t;
if (fa->flags & SURF_PLANEBACK)
VectorNegate(fa->plane->normal, mesh->normals_array[i]);
else
VectorCopy(fa->plane->normal, mesh->normals_array[i]);
VectorNegate(fa->texinfo->vecs[0], mesh->snormals_array[i]);
VectorNegate(fa->texinfo->vecs[1], mesh->tnormals_array[i]);
VectorNormalize(mesh->snormals_array[i]);
VectorNormalize(mesh->tnormals_array[i]);
mesh->colors4f_array[i][0] = 1;
mesh->colors4f_array[i][1] = 1;
mesh->colors4f_array[i][2] = 1;
mesh->colors4f_array[i][3] = 1;
}
}
}
/*
========================
GL_CreateSurfaceLightmap
========================
*/
static void Surf_CreateSurfaceLightmap (msurface_t *surf, int shift)
{
int smax, tmax;
qbyte *base, *luxbase; stmap *stainbase;
if (surf->flags & (SURF_DRAWSKY|SURF_DRAWTURB))
surf->lightmaptexturenum = -1;
if (surf->texinfo->flags & TEX_SPECIAL)
surf->lightmaptexturenum = -1;
if (surf->lightmaptexturenum<0)
return;
smax = (surf->extents[0]>>4)+1;
tmax = (surf->extents[1]>>4)+1;
if (smax > LMBLOCK_WIDTH || tmax > LMBLOCK_HEIGHT || smax < 0 || tmax < 0)
{ //whoa, buggy.
surf->lightmaptexturenum = -1;
return;
}
if (currentmodel->fromgame == fg_quake3)
Surf_LM_FillBlock(surf->lightmaptexturenum, smax, tmax, surf->light_s, surf->light_t);
else
surf->lightmaptexturenum = Surf_LM_AllocBlock (smax, tmax, &surf->light_s, &surf->light_t);
base = lightmap[surf->lightmaptexturenum]->lightmaps;
base += (surf->light_t * LMBLOCK_WIDTH + surf->light_s) * lightmap_bytes;
luxbase = lightmap[surf->lightmaptexturenum]->deluxmaps;
luxbase += (surf->light_t * LMBLOCK_WIDTH + surf->light_s) * 3;
stainbase = lightmap[surf->lightmaptexturenum]->stainmaps;
stainbase += (surf->light_t * LMBLOCK_WIDTH + surf->light_s) * 3;
Surf_BuildLightMap (surf, base, luxbase, stainbase, shift);
}
void Surf_DeInit(void)
{
int i;
for (i = 0; i < numlightmaps; i++)
{
if (!lightmap[i])
break;
BZ_Free(lightmap[i]);
lightmap[i] = NULL;
}
if (lightmap_textures)
{
for (i = 0; i < numlightmaps; i++)
R_DestroyTexture(lightmap_textures[i]);
BZ_Free(lightmap_textures);
}
if (lightmap)
BZ_Free(lightmap);
lightmap_textures=NULL;
lightmap=NULL;
numlightmaps=0;
}
/*
==================
GL_BuildLightmaps
Builds the lightmap texture
with all the surfaces from all brush models
==================
*/
void Surf_BuildLightmaps (void)
{
int i, j, t;
model_t *m;
int shift;
r_framecount = 1; // no dlightcache
for (i = 0; i < numlightmaps; i++)
{
if (!lightmap[i])
break;
BZ_Free(lightmap[i]);
lightmap[i] = NULL;
}
if (cl.worldmodel->fromgame == fg_doom)
return; //no lightmaps.
if ((cl.worldmodel->engineflags & MDLF_RGBLIGHTING) || cl.worldmodel->deluxdata || r_loadlits.value)
lightmap_bytes = 3;
else
lightmap_bytes = 1;
if (cl.worldmodel->fromgame == fg_quake3 && lightmap_bytes != 3 && lightmap_bytes != 4)
lightmap_bytes = 3;
for (j=1 ; j<MAX_MODELS ; j++)
{
m = cl.model_precache[j];
if (!m)
break;
if (m->name[0] == '*')
continue;
currentmodel = m;
shift = Surf_LightmapShift(currentmodel);
for (t = 0; t < m->numtextures; t++)
{
for (i=0 ; i<m->numsurfaces ; i++)
{//extra texture loop so we get slightly less texture switches
if (m->surfaces[i].texinfo->texture == m->textures[t])
{
P_EmitSkyEffectTris(m, &m->surfaces[i]);
/*FIXME: move this into model-specific code*/
Surf_CreateSurfaceLightmap (m->surfaces + i, shift);
if (m->surfaces[i].mesh) //there are some surfaces that have a display list already (q3 ones)
continue;
Surf_BuildSurfaceDisplayList (m, m->surfaces + i);
}
}
}
BE_GenBrushModelVBO(m);
}
BE_UploadAllLightmaps();
}
#endif
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