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raze-gles/polymer/eduke32/build/src/mdsprite.c
helixhorned 32c76d14b4 mdsprite.c: patch up bad array access in loadkvx, remove const from kopen4load arg. 
vbit was being accessed with an int32 e.g. at address 3200 when only 3203 were
allocated.  We simply alloc +1 byte.

git-svn-id: https://svn.eduke32.com/eduke32@2705 1a8010ca-5511-0410-912e-c29ae57300e0
2012-05-29 20:01:40 +00:00

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//------------------------------------- MD2/MD3 LIBRARY BEGINS -------------------------------------
#ifdef USE_OPENGL
#include "compat.h"
#include "build.h"
#include "glbuild.h"
#include "pragmas.h"
#include "baselayer.h"
#include "engine_priv.h"
#include "hightile.h"
#include "polymost.h"
#include "mdsprite.h"
#include "cache1d.h"
#include "kplib.h"
#include "md4.h"
#include <math.h>
voxmodel_t *voxmodels[MAXVOXELS];
static int32_t curextra=MAXTILES;
// nedpool *model_data_pool;
// #define MODEL_POOL_SIZE 20971520
#define model_data_pool (nedpool *) 0 // take it out of the system pool
#define MIN_CACHETIME_PRINT 10
static void QuitOnFatalError(const char *msg)
{
if (msg)
initprintf("%s\n", msg);
uninitengine();
exit(1);
}
static int32_t addtileP(int32_t model,int32_t tile,int32_t pallet)
{
// tile >= 0 && tile < MAXTILES
UNREFERENCED_PARAMETER(model);
if (curextra==MAXTILES+EXTRATILES-1)
{
initprintf("warning: max EXTRATILES reached\n");
return curextra;
}
if (tile2model[tile].modelid==-1)
{
tile2model[tile].pal=pallet;
return tile;
}
if (tile2model[tile].pal==pallet)
return tile;
while (tile2model[tile].next!=-1)
{
tile=tile2model[tile].next;
if (tile2model[tile].pal==pallet)
return tile;
}
tile2model[tile].next=curextra;
tile2model[curextra].pal=pallet;
return curextra++;
}
int32_t Ptile2tile(int32_t tile,int32_t pallet)
{
int32_t t=tile;
// if(tile>=1550&&tile<=1589){initprintf("(%d, %d)\n",tile,pallet);pallet=0;}
while ((tile=tile2model[tile].next)!=-1)
if (tile2model[tile].pal==pallet)
return tile;
return t;
}
int32_t mdinited=0;
int32_t mdpause=0;
#define MODELALLOCGROUP 256
static int32_t nummodelsalloced = 0;
int32_t nextmodelid = 0;
static int32_t maxmodelverts = 0, allocmodelverts = 0;
static int32_t maxmodeltris = 0, allocmodeltris = 0;
static point3d *vertlist = NULL; //temp array to store interpolated vertices for drawing
static int32_t allocvbos = 0, curvbo = 0;
static GLuint *vertvbos = NULL;
static GLuint *indexvbos = NULL;
static mdmodel_t *mdload(const char *);
static void mdfree(mdmodel_t *);
int32_t globalnoeffect=0;
extern int32_t timerticspersec;
void freevbos()
{
int32_t i;
for (i=0; i<nextmodelid; i++)
if (models[i]->mdnum == 3)
{
md3model_t *m = (md3model_t *)models[i];
if (m->vbos)
{
// OSD_Printf("freeing model %d vbo\n",i);
bglDeleteBuffersARB(m->head.numsurfs, m->vbos);
Bfree(m->vbos);
m->vbos = NULL;
}
}
if (allocvbos)
{
bglDeleteBuffersARB(allocvbos, indexvbos);
bglDeleteBuffersARB(allocvbos, vertvbos);
allocvbos = 0;
}
}
void freeallmodels()
{
int32_t i;
if (models)
{
for (i=0; i<nextmodelid; i++) mdfree(models[i]);
Bfree(models); models = NULL;
nummodelsalloced = 0;
nextmodelid = 0;
}
memset(tile2model,-1,sizeof(tile2model));
curextra=MAXTILES;
if (vertlist)
{
Bfree(vertlist);
vertlist = NULL;
allocmodelverts = maxmodelverts = 0;
allocmodeltris = maxmodeltris = 0;
}
freevbos();
/*
if (model_data_pool)
{
neddestroypool(model_data_pool);
model_data_pool = NULL;
}
*/
}
// Skin texture names can be aliased! This is ugly, but at least correct.
static void nullskintexids(GLuint texid)
{
int32_t i, j;
for (i=0; i<nextmodelid; i++)
{
mdmodel_t *m = models[i];
if (m->mdnum == 2 || m->mdnum == 3)
{
mdskinmap_t *sk;
md2model_t *m2 = (md2model_t *)m;
for (j=0; j<m2->numskins*(HICEFFECTMASK+1); j++)
if (m2->texid[j] == texid)
m2->texid[j] = 0;
for (sk=m2->skinmap; sk; sk=sk->next)
for (j=0; j<(HICEFFECTMASK+1); j++)
if (sk->texid[j] == texid)
sk->texid[j] = 0;
}
}
}
void clearskins()
{
int32_t i, j;
for (i=0; i<nextmodelid; i++)
{
mdmodel_t *m = models[i];
if (m->mdnum == 1)
{
voxmodel_t *v = (voxmodel_t *)m;
for (j=0; j<MAXPALOOKUPS; j++)
if (v->texid[j])
{
bglDeleteTextures(1, &v->texid[j]);
v->texid[j] = 0;
}
}
else if (m->mdnum == 2 || m->mdnum == 3)
{
mdskinmap_t *sk;
md2model_t *m2 = (md2model_t *)m;
for (j=0; j<m2->numskins*(HICEFFECTMASK+1); j++)
if (m2->texid[j])
{
GLuint otexid = m2->texid[j];
bglDeleteTextures(1, &m2->texid[j]);
m2->texid[j] = 0;
nullskintexids(otexid);
}
for (sk=m2->skinmap; sk; sk=sk->next)
for (j=0; j<(HICEFFECTMASK+1); j++)
if (sk->texid[j])
{
GLuint otexid = sk->texid[j];
bglDeleteTextures(1, &sk->texid[j]);
sk->texid[j] = 0;
nullskintexids(otexid);
}
}
}
for (i=0; i<MAXVOXELS; i++)
{
voxmodel_t *v = voxmodels[i];
if (!v) continue;
for (j=0; j<MAXPALOOKUPS; j++)
if (v->texid[j])
{
bglDeleteTextures(1, &v->texid[j]);
v->texid[j] = 0;
}
}
}
void mdinit()
{
memset(hudmem,0,sizeof(hudmem));
freeallmodels();
// if (!model_data_pool)
// model_data_pool = nedcreatepool(MODEL_POOL_SIZE, 0);
mdinited = 1;
}
int32_t md_loadmodel(const char *fn)
{
mdmodel_t *vm, **ml;
if (!mdinited) mdinit();
if (nextmodelid >= nummodelsalloced)
{
ml = (mdmodel_t **)Brealloc(models,(nummodelsalloced+MODELALLOCGROUP)*sizeof(void *)); if (!ml) return(-1);
models = ml; nummodelsalloced += MODELALLOCGROUP;
}
vm = mdload(fn); if (!vm) return(-1);
models[nextmodelid++] = vm;
return(nextmodelid-1);
}
int32_t md_setmisc(int32_t modelid, float scale, int32_t shadeoff, float zadd, float yoffset, int32_t flags)
{
mdmodel_t *m;
if (!mdinited) mdinit();
if ((uint32_t)modelid >= (uint32_t)nextmodelid) return -1;
m = models[modelid];
m->bscale = scale;
m->shadeoff = shadeoff;
m->zadd = zadd;
m->yoffset = yoffset;
m->flags = flags;
return 0;
}
static int32_t framename2index(mdmodel_t *vm, const char *nam)
{
int32_t i = 0;
switch (vm->mdnum)
{
case 2:
{
md2model_t *m = (md2model_t *)vm;
md2frame_t *fr;
for (i=0; i<m->numframes; i++)
{
fr = (md2frame_t *)&m->frames[i*m->framebytes];
if (!Bstrcmp(fr->name, nam)) break;
}
}
break;
case 3:
{
md3model_t *m = (md3model_t *)vm;
for (i=0; i<m->numframes; i++)
if (!Bstrcmp(m->head.frames[i].nam,nam)) break;
}
break;
}
return(i);
}
int32_t md_defineframe(int32_t modelid, const char *framename, int32_t tilenume, int32_t skinnum, float smoothduration, int32_t pal)
{
md2model_t *m;
int32_t i;
if (!mdinited) mdinit();
if ((uint32_t)modelid >= (uint32_t)nextmodelid) return(-1);
if ((uint32_t)tilenume >= (uint32_t)MAXTILES) return(-2);
if (!framename) return(-3);
tilenume=addtileP(modelid,tilenume,pal);
m = (md2model_t *)models[modelid];
if (m->mdnum == 1)
{
tile2model[tilenume].modelid = modelid;
tile2model[tilenume].framenum = tile2model[tilenume].skinnum = 0;
return 0;
}
i = framename2index((mdmodel_t *)m,framename);
if (i == m->numframes) return(-3); // frame name invalid
tile2model[tilenume].modelid = modelid;
tile2model[tilenume].framenum = i;
tile2model[tilenume].skinnum = skinnum;
tile2model[tilenume].smoothduration = smoothduration;
return i;
}
int32_t md_defineanimation(int32_t modelid, const char *framestart, const char *frameend, int32_t fpssc, int32_t flags)
{
md2model_t *m;
mdanim_t ma, *map;
int32_t i;
if (!mdinited) mdinit();
if ((uint32_t)modelid >= (uint32_t)nextmodelid) return(-1);
memset(&ma, 0, sizeof(ma));
m = (md2model_t *)models[modelid];
if (m->mdnum < 2) return 0;
//find index of start frame
i = framename2index((mdmodel_t *)m,framestart);
if (i == m->numframes) return -2;
ma.startframe = i;
//find index of finish frame which must trail start frame
i = framename2index((mdmodel_t *)m,frameend);
if (i == m->numframes) return -3;
ma.endframe = i;
ma.fpssc = fpssc;
ma.flags = flags;
map = Bmalloc(sizeof(mdanim_t));
if (!map) return(-4);
Bmemcpy(map, &ma, sizeof(ma));
map->next = m->animations;
m->animations = map;
return(0);
}
#if 0
// FIXME: CURRENTLY DISABLED: interpolation may access frames we consider 'unused'?
int32_t md_thinoutmodel(int32_t modelid, uint8_t *usedframebitmap)
{
md3model_t *m;
md3surf_t *s;
mdanim_t *anm;
int32_t i, surfi, sub, usedframes;
static int16_t otonframe[1024];
if ((uint32_t)modelid >= (uint32_t)nextmodelid) return -1;
m = (md3model_t *)models[modelid];
if (m->mdnum != 3) return -2;
for (anm=m->animations; anm; anm=anm->next)
{
if (anm->endframe <= anm->startframe)
{
// initprintf("backward anim %d-%d\n", anm->startframe, anm->endframe);
return -3;
}
for (i=anm->startframe; i<anm->endframe; i++)
usedframebitmap[i>>3] |= (1<<(i&7));
}
sub = 0;
for (i=0; i<m->numframes; i++)
{
if (!(usedframebitmap[i>>3]&(1<<(i&7))))
{
sub++;
otonframe[i] = -1;
continue;
}
otonframe[i] = i-sub;
}
usedframes = m->numframes - sub;
if (usedframes==0 || usedframes==m->numframes)
return usedframes;
//// THIN OUT! ////
for (i=0; i<m->numframes; i++)
{
if (otonframe[i]>=0 && otonframe[i] != i)
{
if (m->muladdframes)
Bmemcpy(&m->muladdframes[2*otonframe[i]], &m->muladdframes[2*i], 2*sizeof(point3d));
Bmemcpy(&m->head.frames[otonframe[i]], &m->head.frames[i], sizeof(md3frame_t));
}
}
for (surfi=0; surfi < m->head.numsurfs; surfi++)
{
s = &m->head.surfs[surfi];
for (i=0; i<m->numframes; i++)
if (otonframe[i]>=0 && otonframe[i] != i)
Bmemcpy(&s->xyzn[otonframe[i]*s->numverts], &s->xyzn[i*s->numverts], s->numverts*sizeof(md3xyzn_t));
}
////// tweak frame indices in various places
for (anm=m->animations; anm; anm=anm->next)
{
if (otonframe[anm->startframe]==-1 || otonframe[anm->endframe-1]==-1)
initprintf("md %d WTF: anm %d %d\n", modelid, anm->startframe, anm->endframe);
anm->startframe = otonframe[anm->startframe];
anm->endframe = otonframe[anm->endframe-1];
}
for (i=0; i<MAXTILES+EXTRATILES; i++)
if (tile2model[i].modelid == modelid)
{
if (otonframe[tile2model[i].framenum]==-1)
initprintf("md %d WTF: tile %d, fr %d\n", modelid, i, tile2model[i].framenum);
tile2model[i].framenum = otonframe[tile2model[i].framenum];
}
////// realloc & change "numframes" everywhere
// TODO: check if NULL
if (m->muladdframes)
m->muladdframes = Brealloc(m->muladdframes, 2*sizeof(point3d)*usedframes);
m->head.frames = Brealloc(m->head.frames, sizeof(md3frame_t)*usedframes);
for (surfi=0; surfi < m->head.numsurfs; surfi++)
{
m->head.surfs[surfi].numframes = usedframes;
// CAN'T do that because xyzn is offset from a larger block when loaded from md3:
// m->head.surfs[surfi].xyzn = Brealloc(m->head.surfs[surfi].xyzn, s->numverts*usedframes*sizeof(md3xyzn_t));
}
m->head.numframes = usedframes;
m->numframes = usedframes;
////////////
return usedframes;
}
#endif
int32_t md_defineskin(int32_t modelid, const char *skinfn, int32_t palnum, int32_t skinnum, int32_t surfnum, float param, float specpower, float specfactor)
{
mdskinmap_t *sk, *skl;
md2model_t *m;
if (!mdinited) mdinit();
if ((uint32_t)modelid >= (uint32_t)nextmodelid) return -1;
if (!skinfn) return -2;
if ((unsigned)palnum >= (unsigned)MAXPALOOKUPS) return -3;
m = (md2model_t *)models[modelid];
if (m->mdnum < 2) return 0;
if (m->mdnum == 2) surfnum = 0;
skl = NULL;
for (sk = m->skinmap; sk; skl = sk, sk = sk->next)
if (sk->palette == (uint8_t)palnum && skinnum == sk->skinnum && surfnum == sk->surfnum)
break;
if (!sk)
{
sk = (mdskinmap_t *)Bcalloc(1,sizeof(mdskinmap_t));
if (!sk) return -4;
if (!skl) m->skinmap = sk;
else skl->next = sk;
}
else if (sk->fn) Bfree(sk->fn);
sk->palette = (uint8_t)palnum;
sk->skinnum = skinnum;
sk->surfnum = surfnum;
sk->param = param;
sk->specpower = specpower;
sk->specfactor = specfactor;
sk->fn = Bstrdup(skinfn);
if (!sk->fn) return(-4);
return 0;
}
int32_t md_definehud(int32_t modelid, int32_t tilex, double xadd, double yadd, double zadd, double angadd, int32_t flags, int32_t fov)
{
if (!mdinited) mdinit();
if ((uint32_t)modelid >= (uint32_t)nextmodelid) return -1;
if ((uint32_t)tilex >= (uint32_t)MAXTILES) return -2;
hudmem[(flags>>2)&1][tilex].xadd = xadd;
hudmem[(flags>>2)&1][tilex].yadd = yadd;
hudmem[(flags>>2)&1][tilex].zadd = zadd;
hudmem[(flags>>2)&1][tilex].angadd = ((int16_t)angadd)|2048;
hudmem[(flags>>2)&1][tilex].flags = (int16_t)flags;
hudmem[(flags>>2)&1][tilex].fov = (int16_t)fov;
return 0;
}
int32_t md_undefinetile(int32_t tile)
{
if (!mdinited) return 0;
if ((unsigned)tile >= (unsigned)MAXTILES) return -1;
tile2model[tile].modelid = -1;
tile2model[tile].next=-1;
return 0;
}
/* this function is problematic, it leaves NULL holes in model[]
* (which runs from 0 to nextmodelid-1) */
int32_t md_undefinemodel(int32_t modelid)
{
int32_t i;
if (!mdinited) return 0;
if ((uint32_t)modelid >= (uint32_t)nextmodelid) return -1;
for (i=MAXTILES+EXTRATILES-1; i>=0; i--)
if (tile2model[i].modelid == modelid)
tile2model[i].modelid = -1;
if (models)
{
mdfree(models[modelid]);
models[modelid] = NULL;
}
return 0;
}
static int32_t daskinloader(int32_t filh, intptr_t *fptr, int32_t *bpl, int32_t *sizx, int32_t *sizy, int32_t *osizx, int32_t *osizy, char *hasalpha, int32_t pal, char effect)
{
int32_t picfillen, j,y,x;
char *picfil,*cptr,al=255;
coltype *pic;
int32_t xsiz, ysiz, tsizx, tsizy;
int32_t r, g, b;
picfillen = kfilelength(filh);
picfil = (char *)Bmalloc(picfillen+1); if (!picfil) { return -1; }
kread(filh, picfil, picfillen);
// tsizx/y = replacement texture's natural size
// xsiz/y = 2^x size of replacement
kpgetdim(picfil,picfillen,&tsizx,&tsizy);
if (tsizx == 0 || tsizy == 0) { Bfree(picfil); return -2; }
if (!glinfo.texnpot)
{
for (xsiz=1; xsiz<tsizx; xsiz+=xsiz);
for (ysiz=1; ysiz<tsizy; ysiz+=ysiz);
}
else
{
xsiz = tsizx;
ysiz = tsizy;
}
*osizx = tsizx; *osizy = tsizy;
pic = (coltype *)Bmalloc(xsiz*ysiz*sizeof(coltype));
if (!pic) { Bfree(picfil); return -1; }
memset(pic,0,xsiz*ysiz*sizeof(coltype));
if (kprender(picfil,picfillen,(intptr_t)pic,xsiz*sizeof(coltype),xsiz,ysiz,0,0))
{ Bfree(picfil); Bfree(pic); return -2; }
Bfree(picfil);
cptr = &britable[gammabrightness ? 0 : curbrightness][0];
r=(glinfo.bgra)?hictinting[pal].b:hictinting[pal].r;
g=hictinting[pal].g;
b=(glinfo.bgra)?hictinting[pal].r:hictinting[pal].b;
for (y=0,j=0; y<tsizy; y++,j+=xsiz)
{
coltype *rpptr = &pic[j], tcol;
for (x=0; x<tsizx; x++)
{
tcol.b = cptr[rpptr[x].b];
tcol.g = cptr[rpptr[x].g];
tcol.r = cptr[rpptr[x].r];
if (effect & 1)
{
// greyscale
tcol.b = max(tcol.b, max(tcol.g, tcol.r));
tcol.g = tcol.r = tcol.b;
}
if (effect & 2)
{
// invert
tcol.b = 255-tcol.b;
tcol.g = 255-tcol.g;
tcol.r = 255-tcol.r;
}
if (effect & 4)
{
// colorize
tcol.b = min((int32_t)(tcol.b)*b/64,255);
tcol.g = min((int32_t)(tcol.g)*g/64,255);
tcol.r = min((int32_t)(tcol.r)*r/64,255);
}
rpptr[x].b = tcol.b;
rpptr[x].g = tcol.g;
rpptr[x].r = tcol.r;
al &= rpptr[x].a;
}
}
if (!glinfo.bgra)
{
for (j=xsiz*ysiz-1; j>=0; j--)
{
swapchar(&pic[j].r, &pic[j].b);
}
}
*sizx = xsiz;
*sizy = ysiz;
*bpl = xsiz;
*fptr = (intptr_t)pic;
*hasalpha = (al != 255);
return 0;
}
// JONOF'S COMPRESSED TEXTURE CACHE STUFF ---------------------------------------------------
static int32_t mdloadskin_cached(int32_t fil, const texcacheheader *head, int32_t *doalloc, GLuint *glpic, int32_t *xsiz, int32_t *ysiz, int32_t pal)
{
int32_t level, r;
texcachepicture pict;
void *pic = NULL, *packbuf = NULL;
void *midbuf = NULL;
int32_t alloclen=0;
UNREFERENCED_PARAMETER(pal);
if (*doalloc&1)
{
bglGenTextures(1,glpic); //# of textures (make OpenGL allocate structure)
*doalloc |= 2; // prevents bglGenTextures being called again if we fail in here
}
bglBindTexture(GL_TEXTURE_2D,*glpic);
while (bglGetError() != GL_NO_ERROR)
{
/* no-op*/
}
// load the mipmaps
for (level = 0; level==0 || (pict.xdim > 1 || pict.ydim > 1); level++)
{
Blseek(fil, cachepos, BSEEK_SET);
r = Bread(fil, &pict, sizeof(texcachepicture));
cachepos += sizeof(texcachepicture);
if (r < (int32_t)sizeof(texcachepicture)) goto failure;
pict.size = B_LITTLE32(pict.size);
pict.format = B_LITTLE32(pict.format);
pict.xdim = B_LITTLE32(pict.xdim);
pict.ydim = B_LITTLE32(pict.ydim);
pict.border = B_LITTLE32(pict.border);
pict.depth = B_LITTLE32(pict.depth);
if (level == 0) { *xsiz = pict.xdim; *ysiz = pict.ydim; }
if (alloclen < pict.size)
{
void *picc = Brealloc(pic, pict.size);
if (!picc) goto failure; else pic = picc;
alloclen = pict.size;
picc = Brealloc(packbuf, alloclen+16);
if (!picc) goto failure; else packbuf = picc;
picc = Brealloc(midbuf, pict.size);
if (!picc) goto failure; else midbuf = picc;
}
if (dedxtfilter(fil, &pict, pic, midbuf, packbuf, (head->flags&4)==4)) goto failure;
bglCompressedTexImage2DARB(GL_TEXTURE_2D,level,pict.format,pict.xdim,pict.ydim,pict.border,
pict.size,pic);
if (bglGetError() != GL_NO_ERROR) goto failure;
}
if (midbuf) Bfree(midbuf);
if (pic) Bfree(pic);
if (packbuf) Bfree(packbuf);
return 0;
failure:
if (midbuf) Bfree(midbuf);
if (pic) Bfree(pic);
if (packbuf) Bfree(packbuf);
return -1;
}
// --------------------------------------------------- JONOF'S COMPRESSED TEXTURE CACHE STUFF
static inline int32_t hicfxmask(int32_t pal)
{
return (globalnoeffect)?0:(hictinting[pal].f&HICEFFECTMASK);
}
//Note: even though it says md2model, it works for both md2model&md3model
int32_t mdloadskin(md2model_t *m, int32_t number, int32_t pal, int32_t surf)
{
int32_t i,j, bpl, xsiz=0, ysiz=0, osizx, osizy, texfmt = GL_RGBA, intexfmt = GL_RGBA;
char *skinfile, hasalpha, fn[BMAX_PATH];
GLuint *texidx = NULL;
mdskinmap_t *sk, *skzero = NULL;
int32_t doalloc = 1, filh;
int32_t cachefil = -1, picfillen;
texcacheheader cachead;
int32_t startticks, willprint=0;
if (m->mdnum == 2)
surf = 0;
if ((unsigned)pal >= (unsigned)MAXPALOOKUPS)
return 0;
i = -1;
for (sk = m->skinmap; sk; sk = sk->next)
{
if (sk->palette == pal && sk->skinnum == number && sk->surfnum == surf)
{
skinfile = sk->fn;
texidx = &sk->texid[hicfxmask(pal)];
Bstrncpyz(fn, skinfile, BMAX_PATH);
//OSD_Printf("Using exact match skin (pal=%d,skinnum=%d,surfnum=%d) %s\n",pal,number,surf,skinfile);
break;
}
//If no match, give highest priority to number, then pal.. (Parkar's request, 02/27/2005)
else if ((sk->palette == 0) && (sk->skinnum == number) && (sk->surfnum == surf) && (i < 5)) { i = 5; skzero = sk; }
else if ((sk->palette == pal) && (sk->skinnum == 0) && (sk->surfnum == surf) && (i < 4)) { i = 4; skzero = sk; }
else if ((sk->palette == 0) && (sk->skinnum == 0) && (sk->surfnum == surf) && (i < 3)) { i = 3; skzero = sk; }
else if ((sk->palette == 0) && (sk->skinnum == number) && (i < 2)) { i = 2; skzero = sk; }
else if ((sk->palette == pal) && (sk->skinnum == 0) && (i < 1)) { i = 1; skzero = sk; }
else if ((sk->palette == 0) && (sk->skinnum == 0) && (i < 0)) { i = 0; skzero = sk; }
}
if (!sk)
{
if (pal >= (MAXPALOOKUPS - RESERVEDPALS))
return (0);
if (skzero)
{
skinfile = skzero->fn;
texidx = &skzero->texid[hicfxmask(pal)];
Bstrncpyz(fn, skinfile, BMAX_PATH);
//OSD_Printf("Using def skin 0,0 as fallback, pal=%d\n", pal);
}
else
{
if ((unsigned)number >= (unsigned)m->numskins)
number = 0;
skinfile = m->skinfn + number*64;
texidx = &m->texid[number*(HICEFFECTMASK+1) + hicfxmask(pal)];
Bstrncpyz(fn, m->basepath, BMAX_PATH);
if ((Bstrlen(fn) + Bstrlen(skinfile)) < BMAX_PATH)
Bstrcat(fn,skinfile);
//OSD_Printf("Using MD2/MD3 skin (%d) %s, pal=%d\n",number,skinfile,pal);
}
}
if (!skinfile[0])
return 0;
if (*texidx)
return *texidx;
// possibly fetch an already loaded multitexture :_)
if (pal >= (MAXPALOOKUPS - RESERVEDPALS))
for (i=0; i<nextmodelid; i++)
for (skzero = ((md2model_t *)models[i])->skinmap; skzero; skzero = skzero->next)
if (!Bstrcasecmp(skzero->fn, sk->fn) && skzero->texid[hicfxmask(pal)])
{
int32_t f = hicfxmask(pal);
sk->texid[f] = skzero->texid[f];
return sk->texid[f];
}
*texidx = 0;
if ((filh = kopen4load(fn, 0)) < 0)
{
OSD_Printf("Skin \"%s\" not found.\n",fn);
skinfile[0] = 0;
return 0;
}
picfillen = kfilelength(filh);
kclose(filh); // FIXME: shouldn't have to do this. bug in cache1d.c
startticks = getticks();
cachefil = polymost_trytexcache(fn, picfillen, pal<<8, hicfxmask(pal), &cachead, 1);
if (cachefil >= 0 && !mdloadskin_cached(cachefil, &cachead, &doalloc, texidx, &xsiz, &ysiz, pal))
{
osizx = cachead.xdim;
osizy = cachead.ydim;
hasalpha = (cachead.flags & 2) ? 1 : 0;
if (pal < (MAXPALOOKUPS - RESERVEDPALS))
m->usesalpha = hasalpha;
// kclose(cachefil);
//kclose(filh); // FIXME: uncomment when cache1d.c is fixed
// cachefil >= 0, so it won't be rewritten
}
else
{
int32_t ret;
intptr_t fptr=0;
// if (cachefil >= 0) kclose(cachefil);
cachefil = -1; // the compressed version will be saved to disk
if ((filh = kopen4load(fn, 0)) < 0)
return -1;
ret = daskinloader(filh,&fptr,&bpl,&xsiz,&ysiz,&osizx,&osizy,&hasalpha,pal,hicfxmask(pal));
if (ret)
{
kclose(filh);
OSD_Printf("Failed loading skin file \"%s\": error %d\n", fn, ret);
if (ret==-1)
QuitOnFatalError("OUT OF MEMORY in daskinloader!");
skinfile[0] = 0;
return(0);
}
else kclose(filh);
willprint = 1;
if (pal < (MAXPALOOKUPS - RESERVEDPALS))
m->usesalpha = hasalpha;
if ((doalloc&3)==1)
bglGenTextures(1, texidx);
bglBindTexture(GL_TEXTURE_2D, *texidx);
//gluBuild2DMipmaps(GL_TEXTURE_2D,GL_RGBA,xsiz,ysiz,GL_BGRA_EXT,GL_UNSIGNED_BYTE,(char *)fptr);
if (glinfo.texcompr && glusetexcompr)
intexfmt = hasalpha ? GL_COMPRESSED_RGBA_ARB : GL_COMPRESSED_RGB_ARB;
else if (!hasalpha)
intexfmt = GL_RGB;
if (glinfo.bgra)
texfmt = GL_BGRA;
uploadtexture((doalloc&1), xsiz, ysiz, intexfmt, texfmt, (coltype *)fptr, xsiz, ysiz, 0|8192);
Bfree((void *)fptr);
}
if (!m->skinloaded)
{
if (xsiz != osizx || ysiz != osizy)
{
float fx, fy;
fx = ((float)osizx)/((float)xsiz);
fy = ((float)osizy)/((float)ysiz);
if (m->mdnum == 2)
{
int32_t *lptr;
for (lptr=m->glcmds; (i=*lptr++);)
for (i=labs(i); i>0; i--,lptr+=3)
{
((float *)lptr)[0] *= fx;
((float *)lptr)[1] *= fy;
}
}
else if (m->mdnum == 3)
{
md3model_t *m3 = (md3model_t *)m;
md3surf_t *s;
int32_t surfi;
for (surfi=0; surfi<m3->head.numsurfs; surfi++)
{
s = &m3->head.surfs[surfi];
for (i=s->numverts-1; i>=0; i--)
{
s->uv[i].u *= fx;
s->uv[i].v *= fy;
}
}
}
}
m->skinloaded = 1+number;
}
bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,glfiltermodes[gltexfiltermode].mag);
bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,glfiltermodes[gltexfiltermode].min);
if (glinfo.maxanisotropy > 1.0)
bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAX_ANISOTROPY_EXT,glanisotropy);
bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT);
bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT);
if (glinfo.texcompr && glusetexcompr && glusetexcache)
if (cachefil < 0)
{
// save off the compressed version
cachead.quality = r_downsize;
cachead.xdim = osizx>>cachead.quality;
cachead.ydim = osizy>>cachead.quality;
i = 0;
for (j=0; j<31; j++)
{
if (xsiz == pow2long[j]) { i |= 1; }
if (ysiz == pow2long[j]) { i |= 2; }
}
cachead.flags = (i!=3) | (hasalpha ? 2 : 0);
/// OSD_Printf("Caching \"%s\"\n",fn);
writexcache(fn, picfillen, pal<<8, hicfxmask(pal), &cachead);
if (willprint)
{
int32_t etime = getticks()-startticks;
if (etime>=MIN_CACHETIME_PRINT)
OSD_Printf("Load skin: p%d-e%d \"%s\"... cached... %d ms\n", pal, hicfxmask(pal), fn, etime);
willprint = 0;
}
else
OSD_Printf("Cached skin \"%s\"\n", fn);
}
if (willprint)
{
int32_t etime = getticks()-startticks;
if (etime>=MIN_CACHETIME_PRINT)
OSD_Printf("Load skin: p%d-e%d \"%s\"... %d ms\n", pal, hicfxmask(pal), fn, etime);
}
return(*texidx);
}
//Note: even though it says md2model, it works for both md2model&md3model
void updateanimation(md2model_t *m, const spritetype *tspr, uint8_t lpal)
{
const mdanim_t *anim;
int32_t i, j, k;
int32_t fps;
int32_t tile, smoothdurationp;
spritesmooth_t *smooth;
spriteext_t *sprext;
if (m->numframes < 2)
{
m->interpol = 0;
return;
}
tile = Ptile2tile(tspr->picnum,lpal);
m->cframe = m->nframe = tile2model[tile].framenum;
#ifdef DEBUGGINGAIDS
if (m->cframe >= m->numframes)
OSD_Printf("1: c > n\n");
#endif
smoothdurationp = (r_animsmoothing && (tile2model[tile].smoothduration != 0));
smooth = ((unsigned)tspr->owner < MAXSPRITES+MAXUNIQHUDID) ? &spritesmooth[tspr->owner] : NULL;
sprext = ((unsigned)tspr->owner < MAXSPRITES+MAXUNIQHUDID) ? &spriteext[tspr->owner] : NULL;
for (anim = m->animations; anim && anim->startframe != m->cframe; anim = anim->next)
{
/* do nothing */;
}
if (!anim)
{
if (!smoothdurationp || ((smooth->mdoldframe == m->cframe) && (smooth->mdcurframe == m->cframe)))
{
m->interpol = 0;
return;
}
// assert(smoothdurationp && ((smooth->mdoldframe != m->cframe) || (smooth->mdcurframe != m->cframe)))
if (smooth->mdoldframe != m->cframe)
{
if (smooth->mdsmooth == 0)
{
sprext->mdanimtims = mdtims;
m->interpol = 0;
smooth->mdsmooth = 1;
smooth->mdcurframe = m->cframe;
}
if (smooth->mdcurframe != m->cframe)
{
sprext->mdanimtims = mdtims;
m->interpol = 0;
smooth->mdsmooth = 1;
smooth->mdoldframe = smooth->mdcurframe;
smooth->mdcurframe = m->cframe;
}
}
else // if (smooth->mdcurframe != m->cframe)
{
sprext->mdanimtims = mdtims;
m->interpol = 0;
smooth->mdsmooth = 1;
smooth->mdoldframe = smooth->mdcurframe;
smooth->mdcurframe = m->cframe;
}
}
else if (/* anim && */ sprext->mdanimcur != anim->startframe)
{
//if (sprext->flags & SPREXT_NOMDANIM) OSD_Printf("SPREXT_NOMDANIM\n");
//OSD_Printf("smooth launched ! oldanim %i new anim %i\n", sprext->mdanimcur, anim->startframe);
sprext->mdanimcur = (int16_t)anim->startframe;
sprext->mdanimtims = mdtims;
m->interpol = 0;
if (!smoothdurationp)
{
m->cframe = m->nframe = anim->startframe;
#ifdef DEBUGGINGAIDS
if (m->cframe >= m->numframes)
OSD_Printf("2: c > n\n");
#endif
return;
}
m->nframe = anim->startframe;
m->cframe = smooth->mdoldframe;
#ifdef DEBUGGINGAIDS
if (m->cframe >= m->numframes)
OSD_Printf("3: c > n\n");
#endif
smooth->mdsmooth = 1;
return;
}
if (smooth->mdsmooth) // VERIFY: (smooth->mdsmooth) implies (tile2model[tile].smoothduration!=0) ?
ftol((1.0f / (float)(tile2model[tile].smoothduration)) * 66.f, &fps);
else
fps = anim->fpssc;
i = (mdtims - sprext->mdanimtims)*((fps*timerticspersec)/120);
if (smooth->mdsmooth)
j = 65536;
else
j = ((anim->endframe+1-anim->startframe)<<16);
// XXX: Just in case you play the game for a VERY long time...
if (i < 0) { i = 0; sprext->mdanimtims = mdtims; }
//compare with j*2 instead of j to ensure i stays > j-65536 for MDANIM_ONESHOT
if (anim && (i >= j+j) && (fps) && !mdpause) //Keep mdanimtims close to mdtims to avoid the use of MOD
sprext->mdanimtims += j/((fps*timerticspersec)/120);
k = i;
if (anim && (anim->flags&MDANIM_ONESHOT))
{ if (i > j-65536) i = j-65536; }
else { if (i >= j) { i -= j; if (i >= j) i %= j; } }
if (r_animsmoothing && smooth->mdsmooth)
{
m->nframe = anim ? anim->startframe : smooth->mdcurframe;
m->cframe = smooth->mdoldframe;
#ifdef DEBUGGINGAIDS
if (m->cframe >= m->numframes)
OSD_Printf("4: c > n\n");
#endif
//OSD_Printf("smoothing... cframe %i nframe %i\n", m->cframe, m->nframe);
if (k > 65535)
{
sprext->mdanimtims = mdtims;
m->interpol = 0;
smooth->mdsmooth = 0;
m->cframe = m->nframe; // = anim ? anim->startframe : smooth->mdcurframe;
#ifdef DEBUGGINGAIDS
if (m->cframe >= m->numframes)
OSD_Printf("5: c > n\n");
#endif
smooth->mdoldframe = m->cframe;
//OSD_Printf("smooth stopped !\n");
return;
}
}
else
{
m->cframe = (i>>16)+anim->startframe;
#ifdef DEBUGGINGAIDS
if (m->cframe >= m->numframes)
OSD_Printf("6: c > n\n");
#endif
m->nframe = m->cframe+1;
if (m->nframe > anim->endframe) // VERIFY: (!(r_animsmoothing && smooth->mdsmooth)) implies (anim!=NULL) ?
m->nframe = anim->startframe;
smooth->mdoldframe = m->cframe;
//OSD_Printf("not smoothing... cframe %i nframe %i\n", m->cframe, m->nframe);
}
m->interpol = ((float)(i&65535))/65536.f;
//OSD_Printf("interpol %f\n", m->interpol);
}
// VBO generation and allocation
static void mdloadvbos(md3model_t *m)
{
int32_t i;
m->vbos = Bmalloc(m->head.numsurfs * sizeof(GLuint));
bglGenBuffersARB(m->head.numsurfs, m->vbos);
i = 0;
while (i < m->head.numsurfs)
{
bglBindBufferARB(GL_ARRAY_BUFFER_ARB, m->vbos[i]);
bglBufferDataARB(GL_ARRAY_BUFFER_ARB, m->head.surfs[i].numverts * sizeof(md3uv_t), m->head.surfs[i].uv, GL_STATIC_DRAW_ARB);
i++;
}
bglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
}
//--------------------------------------- MD2 LIBRARY BEGINS ---------------------------------------
static md2model_t *md2load(int32_t fil, const char *filnam)
{
md2model_t *m;
md3model_t *m3;
md3surf_t *s;
md2frame_t *f;
md2head_t head;
char st[BMAX_PATH];
int32_t i, j, k;
int32_t ournumskins, ournumglcmds;
m = (md2model_t *)Bcalloc(1,sizeof(md2model_t)); if (!m) return(0);
m->mdnum = 2; m->scale = .01f;
kread(fil,(char *)&head,sizeof(md2head_t));
head.id = B_LITTLE32(head.id); head.vers = B_LITTLE32(head.vers);
head.skinxsiz = B_LITTLE32(head.skinxsiz); head.skinysiz = B_LITTLE32(head.skinysiz);
head.framebytes = B_LITTLE32(head.framebytes); head.numskins = B_LITTLE32(head.numskins);
head.numverts = B_LITTLE32(head.numverts); head.numuv = B_LITTLE32(head.numuv);
head.numtris = B_LITTLE32(head.numtris); head.numglcmds = B_LITTLE32(head.numglcmds);
head.numframes = B_LITTLE32(head.numframes); head.ofsskins = B_LITTLE32(head.ofsskins);
head.ofsuv = B_LITTLE32(head.ofsuv); head.ofstris = B_LITTLE32(head.ofstris);
head.ofsframes = B_LITTLE32(head.ofsframes); head.ofsglcmds = B_LITTLE32(head.ofsglcmds);
head.ofseof = B_LITTLE32(head.ofseof);
if ((head.id != 0x32504449) || (head.vers != 8)) { Bfree(m); return(0); } //"IDP2"
ournumskins = head.numskins ? head.numskins : 1;
ournumglcmds = head.numglcmds ? head.numglcmds : 1;
m->numskins = head.numskins;
m->numframes = head.numframes;
m->numverts = head.numverts;
m->numglcmds = head.numglcmds;
m->framebytes = head.framebytes;
m->frames = (char *)Bmalloc(m->numframes*m->framebytes); if (!m->frames) { Bfree(m); return(0); }
m->glcmds = (int32_t *)Bmalloc(ournumglcmds*sizeof(int32_t)); if (!m->glcmds) { Bfree(m->frames); Bfree(m); return(0); }
m->tris = (md2tri_t *)Bmalloc(head.numtris*sizeof(md2tri_t)); if (!m->tris) { Bfree(m->glcmds); Bfree(m->frames); Bfree(m); return(0); }
m->uv = (md2uv_t *)Bmalloc(head.numuv*sizeof(md2uv_t)); if (!m->uv) { Bfree(m->tris); Bfree(m->glcmds); Bfree(m->frames); Bfree(m); return(0); }
klseek(fil,head.ofsframes,SEEK_SET);
if (kread(fil,(char *)m->frames,m->numframes*m->framebytes) != m->numframes*m->framebytes)
{ Bfree(m->uv); Bfree(m->tris); Bfree(m->glcmds); Bfree(m->frames); Bfree(m); return(0); }
if (m->numglcmds > 0)
{
klseek(fil,head.ofsglcmds,SEEK_SET);
if (kread(fil,(char *)m->glcmds,m->numglcmds*sizeof(int32_t)) != (int32_t)(m->numglcmds*sizeof(int32_t)))
{ Bfree(m->uv); Bfree(m->tris); Bfree(m->glcmds); Bfree(m->frames); Bfree(m); return(0); }
}
klseek(fil,head.ofstris,SEEK_SET);
if (kread(fil,(char *)m->tris,head.numtris*sizeof(md2tri_t)) != (int32_t)(head.numtris*sizeof(md2tri_t)))
{ Bfree(m->uv); Bfree(m->tris); Bfree(m->glcmds); Bfree(m->frames); Bfree(m); return(0); }
klseek(fil,head.ofsuv,SEEK_SET);
if (kread(fil,(char *)m->uv,head.numuv*sizeof(md2uv_t)) != (int32_t)(head.numuv*sizeof(md2uv_t)))
{ Bfree(m->uv); Bfree(m->tris); Bfree(m->glcmds); Bfree(m->frames); Bfree(m); return(0); }
#if B_BIG_ENDIAN != 0
{
char *f = (char *)m->frames;
int32_t *l,j;
md2frame_t *fr;
for (i = m->numframes-1; i>=0; i--)
{
fr = (md2frame_t *)f;
l = (int32_t *)&fr->mul;
for (j=5; j>=0; j--) l[j] = B_LITTLE32(l[j]);
f += m->framebytes;
}
for (i = m->numglcmds-1; i>=0; i--)
{
m->glcmds[i] = B_LITTLE32(m->glcmds[i]);
}
for (i = head.numtris-1; i>=0; i--)
{
m->tris[i].v[0] = B_LITTLE16(m->tris[i].v[0]);
m->tris[i].v[1] = B_LITTLE16(m->tris[i].v[1]);
m->tris[i].v[2] = B_LITTLE16(m->tris[i].v[2]);
m->tris[i].u[0] = B_LITTLE16(m->tris[i].u[0]);
m->tris[i].u[1] = B_LITTLE16(m->tris[i].u[1]);
m->tris[i].u[2] = B_LITTLE16(m->tris[i].u[2]);
}
for (i = head.numuv-1; i>=0; i--)
{
m->uv[i].u = B_LITTLE16(m->uv[i].u);
m->uv[i].v = B_LITTLE16(m->uv[i].v);
}
}
#endif
Bstrcpy(st,filnam);
for (i=strlen(st)-1; i>0; i--)
if ((st[i] == '/') || (st[i] == '\\')) { i++; break; }
if (i<0) i=0;
st[i] = 0;
m->basepath = (char *)Bmalloc(i+1); if (!m->basepath) { Bfree(m->uv); Bfree(m->tris); Bfree(m->glcmds); Bfree(m->frames); Bfree(m); return(0); }
Bstrcpy(m->basepath, st);
m->skinfn = (char *)Bmalloc(ournumskins*64); if (!m->skinfn) { Bfree(m->basepath); Bfree(m->uv); Bfree(m->tris); Bfree(m->glcmds); Bfree(m->frames); Bfree(m); return(0); }
if (m->numskins > 0)
{
klseek(fil,head.ofsskins,SEEK_SET);
if (kread(fil,m->skinfn,64*m->numskins) != 64*m->numskins)
{ Bfree(m->glcmds); Bfree(m->frames); Bfree(m); return(0); }
}
m->texid = (GLuint *)Bcalloc(ournumskins, sizeof(GLuint) * (HICEFFECTMASK+1));
if (!m->texid) { Bfree(m->skinfn); Bfree(m->basepath); Bfree(m->uv); Bfree(m->tris); Bfree(m->glcmds); Bfree(m->frames); Bfree(m); return(0); }
maxmodelverts = max(maxmodelverts, m->numverts);
maxmodeltris = max(maxmodeltris, head.numtris);
//return(m);
// the MD2 is now loaded internally - let's begin the MD3 conversion process
//OSD_Printf("Beginning md3 conversion.\n");
m3 = (md3model_t *)Bcalloc(1, sizeof(md3model_t)); if (!m3) { Bfree(m->skinfn); Bfree(m->basepath); Bfree(m->uv); Bfree(m->tris); Bfree(m->glcmds); Bfree(m->frames); Bfree(m); return(0); }
m3->mdnum = 3; m3->texid = 0; m3->scale = m->scale;
m3->head.id = 0x33504449; m3->head.vers = 15;
// this changes the conversion code to do real MD2->MD3 conversion
// it breaks HRP MD2 oozfilter, change the flags to 1337 to revert
// to the old, working code
m3->head.flags = 0;
m3->head.numframes = m->numframes;
m3->head.numtags = 0; m3->head.numsurfs = 1;
m3->head.numskins = 0;
m3->numskins = m3->head.numskins;
m3->numframes = m3->head.numframes;
m3->head.frames = (md3frame_t *)Bcalloc(m3->head.numframes, sizeof(md3frame_t)); if (!m3->head.frames) { Bfree(m3); Bfree(m->skinfn); Bfree(m->basepath); Bfree(m->uv); Bfree(m->tris); Bfree(m->glcmds); Bfree(m->frames); Bfree(m); return(0); }
m3->muladdframes = (point3d *)Bcalloc(m->numframes * 2, sizeof(point3d));
f = (md2frame_t *)(m->frames);
// frames converting
i = 0;
while (i < m->numframes)
{
f = (md2frame_t *)&m->frames[i*m->framebytes];
Bstrcpy(m3->head.frames[i].nam, f->name);
//OSD_Printf("Copied frame %s.\n", m3->head.frames[i].nam);
m3->muladdframes[i*2] = f->mul;
m3->muladdframes[i*2+1] = f->add;
i++;
}
m3->head.tags = NULL;
m3->head.surfs = (md3surf_t *)Bcalloc(1, sizeof(md3surf_t)); if (!m3->head.surfs) { Bfree(m3->head.frames); Bfree(m3); Bfree(m->skinfn); Bfree(m->basepath); Bfree(m->uv); Bfree(m->tris); Bfree(m->glcmds); Bfree(m->frames); Bfree(m); return(0); }
s = m3->head.surfs;
// model converting
s->id = 0x33504449; s->flags = 0;
s->numframes = m->numframes; s->numshaders = 0;
s->numtris = head.numtris;
s->numverts = head.numtris * 3; // oh man talk about memory effectiveness :((((
// MD2 is actually more accurate than MD3 in term of uv-mapping, because each triangle has a triangle counterpart on the UV-map.
// In MD3, each vertex unique UV coordinates, meaning that you have to duplicate vertices if you need non-seamless UV-mapping.
maxmodelverts = max(maxmodelverts, s->numverts);
Bstrcpy(s->nam, "Dummy surface from MD2");
s->shaders = NULL;
s->tris = (md3tri_t *)Bcalloc(head.numtris, sizeof(md3tri_t)); if (!s->tris) { Bfree(s); Bfree(m3->head.frames); Bfree(m3); Bfree(m->skinfn); Bfree(m->basepath); Bfree(m->uv); Bfree(m->tris); Bfree(m->glcmds); Bfree(m->frames); Bfree(m); return(0); }
s->uv = (md3uv_t *)Bcalloc(s->numverts, sizeof(md3uv_t)); if (!s->uv) { Bfree(s->tris); Bfree(s); Bfree(m3->head.frames); Bfree(m3); Bfree(m->skinfn); Bfree(m->basepath); Bfree(m->uv); Bfree(m->tris); Bfree(m->glcmds); Bfree(m->frames); Bfree(m); return(0); }
s->xyzn = (md3xyzn_t *)Bcalloc(s->numverts * m->numframes, sizeof(md3xyzn_t)); if (!s->xyzn) { Bfree(s->uv); Bfree(s->tris); Bfree(s); Bfree(m3->head.frames); Bfree(m3); Bfree(m->skinfn); Bfree(m->basepath); Bfree(m->uv); Bfree(m->tris); Bfree(m->glcmds); Bfree(m->frames); Bfree(m); return(0); }
//memoryusage += (s->numverts * m->numframes * sizeof(md3xyzn_t));
//OSD_Printf("Current model geometry memory usage : %i.\n", memoryusage);
//OSD_Printf("Number of frames : %i\n", m->numframes);
//OSD_Printf("Number of triangles : %i\n", head.numtris);
//OSD_Printf("Number of vertices : %i\n", s->numverts);
// triangle converting
i = 0;
while (i < head.numtris)
{
j = 0;
//OSD_Printf("Triangle : %i\n", i);
while (j < 3)
{
// triangle vertex indexes
s->tris[i].i[j] = i*3 + j;
// uv coords
s->uv[i*3+j].u = (float)(m->uv[m->tris[i].u[j]].u) / (float)(head.skinxsiz);
s->uv[i*3+j].v = (float)(m->uv[m->tris[i].u[j]].v) / (float)(head.skinysiz);
// vertices for each frame
k = 0;
while (k < m->numframes)
{
f = (md2frame_t *)&m->frames[k*m->framebytes];
if (m3->head.flags == 1337)
{
s->xyzn[(k*s->numverts) + (i*3) + j].x = f->verts[m->tris[i].v[j]].v[0];
s->xyzn[(k*s->numverts) + (i*3) + j].y = f->verts[m->tris[i].v[j]].v[1];
s->xyzn[(k*s->numverts) + (i*3) + j].z = f->verts[m->tris[i].v[j]].v[2];
}
else
{
s->xyzn[(k*s->numverts) + (i*3) + j].x = (int16_t)(((f->verts[m->tris[i].v[j]].v[0] * f->mul.x) + f->add.x) * 64.f);
s->xyzn[(k*s->numverts) + (i*3) + j].y = (int16_t)(((f->verts[m->tris[i].v[j]].v[1] * f->mul.y) + f->add.y) * 64.f);
s->xyzn[(k*s->numverts) + (i*3) + j].z = (int16_t)(((f->verts[m->tris[i].v[j]].v[2] * f->mul.z) + f->add.z) * 64.f);
}
k++;
}
j++;
}
//OSD_Printf("End triangle.\n");
i++;
}
//OSD_Printf("Finished md3 conversion.\n");
{
mdskinmap_t *sk;
sk = (mdskinmap_t *)Bcalloc(1,sizeof(mdskinmap_t));
sk->palette = 0;
sk->skinnum = 0;
sk->surfnum = 0;
if (m->numskins > 0)
{
sk->fn = (char *)Bmalloc(strlen(m->basepath)+strlen(m->skinfn)+1);
Bstrcpy(sk->fn, m->basepath);
Bstrcat(sk->fn, m->skinfn);
}
m3->skinmap = sk;
}
m3->indexes = Bmalloc(sizeof(uint16_t) * s->numtris);
m3->vindexes = Bmalloc(sizeof(uint16_t) * s->numtris * 3);
m3->maxdepths = Bmalloc(sizeof(float) * s->numtris);
if (!m3->indexes || !m3->vindexes || !m3->maxdepths)
QuitOnFatalError("OUT OF MEMORY in md2load!");
m3->vbos = NULL;
// die MD2 ! DIE !
Bfree(m->texid); Bfree(m->skinfn); Bfree(m->basepath); Bfree(m->uv); Bfree(m->tris); Bfree(m->glcmds); Bfree(m->frames); Bfree(m);
return((md2model_t *)m3);
}
//---------------------------------------- MD2 LIBRARY ENDS ----------------------------------------
// DICHOTOMIC RECURSIVE SORTING - USED BY MD3DRAW - MAY PUT IT IN ITS OWN SOURCE FILE LATER
int32_t partition(uint16_t *indexes, float *depths, int32_t f, int32_t l)
{
int32_t up,down;
float tempf;
uint16_t tempus;
float piv = depths[f];
uint16_t piv2 = indexes[f];
up = f;
down = l;
do
{
while ((depths[up] <= piv) && (up < l))
up++;
while ((depths[down] > piv) && (down > f))
down--;
if (up < down)
{
tempf = depths[up];
depths[up] = depths[down];
depths[down] = tempf;
tempus = indexes[up];
indexes[up] = indexes[down];
indexes[down] = tempus;
}
}
while (down > up);
depths[f] = depths[down];
depths[down] = piv;
indexes[f] = indexes[down];
indexes[down] = piv2;
return down;
}
void quicksort(uint16_t *indexes, float *depths, int32_t first, int32_t last)
{
int32_t pivIndex = 0;
if (first < last)
{
pivIndex = partition(indexes,depths,first, last);
quicksort(indexes,depths,first,(pivIndex-1));
quicksort(indexes,depths,(pivIndex+1),last);
}
}
// END OF QUICKSORT LIB
//--------------------------------------- MD3 LIBRARY BEGINS ---------------------------------------
static md3model_t *md3load(int32_t fil)
{
int32_t i, surfi, ofsurf, offs[4], leng[4];
int32_t maxtrispersurf;
md3model_t *m;
md3surf_t *s;
m = (md3model_t *)Bcalloc(1,sizeof(md3model_t)); if (!m) return(0);
m->mdnum = 3; m->texid = 0; m->scale = .01f;
m->muladdframes = NULL;
kread(fil,&m->head,SIZEOF_MD3HEAD_T);
m->head.id = B_LITTLE32(m->head.id); m->head.vers = B_LITTLE32(m->head.vers);
m->head.flags = B_LITTLE32(m->head.flags); m->head.numframes = B_LITTLE32(m->head.numframes);
m->head.numtags = B_LITTLE32(m->head.numtags); m->head.numsurfs = B_LITTLE32(m->head.numsurfs);
m->head.numskins = B_LITTLE32(m->head.numskins); m->head.ofsframes = B_LITTLE32(m->head.ofsframes);
m->head.ofstags = B_LITTLE32(m->head.ofstags); m->head.ofssurfs = B_LITTLE32(m->head.ofssurfs);
m->head.eof = B_LITTLE32(m->head.eof);
if ((m->head.id != 0x33504449) && (m->head.vers != 15)) { Bfree(m); return(0); } //"IDP3"
m->numskins = m->head.numskins; //<- dead code?
m->numframes = m->head.numframes;
ofsurf = m->head.ofssurfs;
klseek(fil,m->head.ofsframes,SEEK_SET); i = m->head.numframes*sizeof(md3frame_t);
m->head.frames = (md3frame_t *)Bmalloc(i); if (!m->head.frames) { Bfree(m); return(0); }
kread(fil,m->head.frames,i);
if (m->head.numtags == 0) m->head.tags = NULL;
else
{
klseek(fil,m->head.ofstags,SEEK_SET); i = m->head.numtags*sizeof(md3tag_t);
m->head.tags = (md3tag_t *)Bmalloc(i); if (!m->head.tags) { Bfree(m->head.frames); Bfree(m); return(0); }
kread(fil,m->head.tags,i);
}
klseek(fil,m->head.ofssurfs,SEEK_SET); i = m->head.numsurfs*sizeof(md3surf_t);
m->head.surfs = (md3surf_t *)Bmalloc(i); if (!m->head.surfs) { if (m->head.tags) Bfree(m->head.tags); Bfree(m->head.frames); Bfree(m); return(0); }
m->head.surfs[0].geometry = NULL; // for deferred polymer model postprocessing (else: crashes)
#if B_BIG_ENDIAN != 0
{
int32_t j, *l;
for (i = m->head.numframes-1; i>=0; i--)
{
l = (int32_t *)&m->head.frames[i].min;
for (j=3+3+3+1-1; j>=0; j--) l[j] = B_LITTLE32(l[j]);
}
for (i = m->head.numtags-1; i>=0; i--)
{
l = (int32_t *)&m->head.tags[i].p;
for (j=3+3+3+3-1; j>=0; j--) l[j] = B_LITTLE32(l[j]);
}
}
#endif
maxtrispersurf = 0;
for (surfi=0; surfi<m->head.numsurfs; surfi++)
{
s = &m->head.surfs[surfi];
klseek(fil,ofsurf,SEEK_SET); kread(fil,s,SIZEOF_MD3SURF_T);
#if B_BIG_ENDIAN != 0
{
int32_t j, *l;
s->id = B_LITTLE32(s->id);
l = (int32_t *)&s->flags;
for (j=1+1+1+1+1+1+1+1+1+1-1; j>=0; j--) l[j] = B_LITTLE32(l[j]);
}
#endif
offs[0] = ofsurf+s->ofstris; leng[0] = s->numtris*sizeof(md3tri_t);
offs[1] = ofsurf+s->ofsshaders; leng[1] = s->numshaders*sizeof(md3shader_t);
offs[2] = ofsurf+s->ofsuv; leng[2] = s->numverts*sizeof(md3uv_t);
offs[3] = ofsurf+s->ofsxyzn; leng[3] = s->numframes*s->numverts*sizeof(md3xyzn_t);
//memoryusage += (s->numverts * s->numframes * sizeof(md3xyzn_t));
//OSD_Printf("Current model geometry memory usage : %i.\n", memoryusage);
s->tris = (md3tri_t *)Bmalloc(leng[0]+leng[1]+leng[2]+leng[3]);
if (!s->tris)
{
for (surfi--; surfi>=0; surfi--) Bfree(m->head.surfs[surfi].tris);
if (m->head.tags) Bfree(m->head.tags); Bfree(m->head.frames); Bfree(m); return(0);
}
s->shaders = (md3shader_t *)(((intptr_t)s->tris)+leng[0]);
s->uv = (md3uv_t *)(((intptr_t)s->shaders)+leng[1]);
s->xyzn = (md3xyzn_t *)(((intptr_t)s->uv)+leng[2]);
klseek(fil,offs[0],SEEK_SET); kread(fil,s->tris ,leng[0]);
klseek(fil,offs[1],SEEK_SET); kread(fil,s->shaders,leng[1]);
klseek(fil,offs[2],SEEK_SET); kread(fil,s->uv ,leng[2]);
klseek(fil,offs[3],SEEK_SET); kread(fil,s->xyzn ,leng[3]);
#if B_BIG_ENDIAN != 0
{
int32_t j, *l;
for (i=s->numtris-1; i>=0; i--)
{
for (j=2; j>=0; j--) s->tris[i].i[j] = B_LITTLE32(s->tris[i].i[j]);
}
for (i=s->numshaders-1; i>=0; i--)
{
s->shaders[i].i = B_LITTLE32(s->shaders[i].i);
}
for (i=s->numverts-1; i>=0; i--)
{
l = (int32_t *)&s->uv[i].u;
l[0] = B_LITTLE32(l[0]);
l[1] = B_LITTLE32(l[1]);
}
for (i=s->numframes*s->numverts-1; i>=0; i--)
{
s->xyzn[i].x = (int16_t)B_LITTLE16((uint16_t)s->xyzn[i].x);
s->xyzn[i].y = (int16_t)B_LITTLE16((uint16_t)s->xyzn[i].y);
s->xyzn[i].z = (int16_t)B_LITTLE16((uint16_t)s->xyzn[i].z);
}
}
#endif
maxmodelverts = max(maxmodelverts, s->numverts);
maxmodeltris = max(maxmodeltris, s->numtris);
maxtrispersurf = max(maxtrispersurf, s->numtris);
ofsurf += s->ofsend;
}
#if 0
{
char *buf, st[BMAX_PATH+2], bst[BMAX_PATH+2];
int32_t j, bsc;
Bstrcpy(st,filnam);
for (i=0,j=0; st[i]; i++) if ((st[i] == '/') || (st[i] == '\\')) j = i+1;
st[j] = '*'; st[j+1] = 0;
kzfindfilestart(st); bsc = -1;
while (kzfindfile(st))
{
if (st[0] == '\\') continue;
for (i=0,j=0; st[i]; i++) if (st[i] == '.') j = i+1;
if ((!stricmp(&st[j],"JPG")) || (!stricmp(&st[j],"PNG")) || (!stricmp(&st[j],"GIF")) ||
(!stricmp(&st[j],"PCX")) || (!stricmp(&st[j],"TGA")) || (!stricmp(&st[j],"BMP")) ||
(!stricmp(&st[j],"CEL")))
{
for (i=0; st[i]; i++) if (st[i] != filnam[i]) break;
if (i > bsc) { bsc = i; Bstrcpy(bst,st); }
}
}
if (!mdloadskin(&m->texid,&m->usesalpha,bst)) ;//bad!
}
#endif
m->indexes = Bmalloc(sizeof(uint16_t) * maxtrispersurf);
m->vindexes = Bmalloc(sizeof(uint16_t) * maxtrispersurf * 3);
m->maxdepths = Bmalloc(sizeof(float) * maxtrispersurf);
if (!m->indexes || !m->vindexes || !m->maxdepths)
QuitOnFatalError("OUT OF MEMORY in md3load!");
m->vbos = NULL;
return(m);
}
static inline void invertmatrix(float *m, float *out)
{
float det;
det = m[0] * (m[4]*m[8] - m[5] * m[7]);
det -= m[1] * (m[3]*m[8] - m[5] * m[6]);
det += m[2] * (m[3]*m[7] - m[4] * m[6]);
if (det != 0.0f)
{
det = 1.0f / det;
out[0] = det * (m[4] * m[8] - m[5] * m[7]);
out[3] = det * (m[5] * m[6] - m[3] * m[8]);
out[6] = det * (m[3] * m[7] - m[1] * m[6]);
out[1] = det * (m[2] * m[7] - m[1] * m[8]);
out[4] = det * (m[0] * m[8] - m[2] * m[6]);
out[7] = det * (m[1] * m[6] - m[0] * m[7]);
out[2] = det * (m[1] * m[5] - m[2] * m[4]);
out[5] = det * (m[2] * m[3] - m[0] * m[5]);
out[8] = det * (m[0] * m[4] - m[1] * m[3]);
}
else
{
out[0] = 1.0; out[1] = 0.0; out[2] = 0.0;
out[3] = 0.0; out[4] = 1.0; out[5] = 0.0;
out[6] = 0.0; out[7] = 0.0; out[8] = 1.0;
}
}
static inline void normalize(float *vec)
{
double norm;
norm = vec[0] * vec[0] + vec[1] * vec[1] + vec[2] * vec[2];
if (norm != 0.0)
{
norm = sqrt(norm);
norm = 1.0 / norm;
vec[0] *= norm;
vec[1] *= norm;
vec[2] *= norm;
}
}
static void md3postload_common(md3model_t *m)
{
int framei, surfi, verti;
md3frame_t *frame;
md3xyzn_t *frameverts;
float dist, vec1[5];
// apparently we can't trust loaded models bounding box/sphere information,
// so let's compute it ourselves
framei = 0;
while (framei < m->head.numframes)
{
frame = &m->head.frames[framei];
frame->min.x = 0.0f;
frame->min.y = 0.0f;
frame->min.z = 0.0f;
frame->max.x = 0.0f;
frame->max.y = 0.0f;
frame->max.z = 0.0f;
frame->r = 0.0f;
surfi = 0;
while (surfi < m->head.numsurfs)
{
frameverts = &m->head.surfs[surfi].xyzn[framei * m->head.surfs[surfi].numverts];
verti = 0;
while (verti < m->head.surfs[surfi].numverts)
{
if (!verti && !surfi)
{
frame->min.x = frameverts[verti].x;
frame->min.y = frameverts[verti].y;
frame->min.z = frameverts[verti].z;
frame->max.x = frameverts[verti].x;
frame->max.y = frameverts[verti].y;
frame->max.z = frameverts[verti].z;
}
else
{
if (frame->min.x > frameverts[verti].x)
frame->min.x = frameverts[verti].x;
if (frame->max.x < frameverts[verti].x)
frame->max.x = frameverts[verti].x;
if (frame->min.y > frameverts[verti].y)
frame->min.y = frameverts[verti].y;
if (frame->max.y < frameverts[verti].y)
frame->max.y = frameverts[verti].y;
if (frame->min.z > frameverts[verti].z)
frame->min.z = frameverts[verti].z;
if (frame->max.z < frameverts[verti].z)
frame->max.z = frameverts[verti].z;
}
verti++;
}
surfi++;
}
frame->cen.x = (frame->min.x + frame->max.x) / 2.0f;
frame->cen.y = (frame->min.y + frame->max.y) / 2.0f;
frame->cen.z = (frame->min.z + frame->max.z) / 2.0f;
surfi = 0;
while (surfi < m->head.numsurfs)
{
frameverts = &m->head.surfs[surfi].xyzn[framei * m->head.surfs[surfi].numverts];
verti = 0;
while (verti < m->head.surfs[surfi].numverts)
{
vec1[0] = frameverts[verti].x - frame->cen.x;
vec1[1] = frameverts[verti].y - frame->cen.y;
vec1[2] = frameverts[verti].z - frame->cen.z;
dist = vec1[0] * vec1[0] + vec1[1] * vec1[1] + vec1[2] * vec1[2];
if (dist > frame->r)
frame->r = dist;
verti++;
}
surfi++;
}
frame->r = sqrt(frame->r);
framei++;
}
}
#ifdef POLYMER
// pre-check success of conversion since it must not fail later.
// keep in sync with md3postload_polymer!
static int md3postload_polymer_check(md3model_t *m)
{
int surfi, trii;
md3surf_t *s;
surfi = 0;
while (surfi < m->head.numsurfs)
{
s = &m->head.surfs[surfi];
trii = 0;
while (trii < s->numtris)
{
// let the vertices know they're being referenced by a triangle
if (s->tris[trii].i[0] >= s->numverts || s->tris[trii].i[0] < 0 ||
s->tris[trii].i[1] >= s->numverts || s->tris[trii].i[1] < 0 ||
s->tris[trii].i[2] >= s->numverts || s->tris[trii].i[2] < 0)
{
// corrupt model
OSD_Printf("%s: Triangle index out of bounds!\n", m->head.nam);
return 0;
}
trii++;
}
surfi++;
}
return 1;
}
#endif
int md3postload_polymer(md3model_t *m)
{
#ifdef POLYMER
int framei, surfi, verti, trii, i;
md3surf_t *s;
int *numtris;
float lat, lng, vec1[5], vec2[5], mat[9], r;
if (m->head.surfs[0].geometry)
return -1; // already postprocessed
// let's also repack the geometry to more usable formats
surfi = 0;
while (surfi < m->head.numsurfs)
{
s = &m->head.surfs[surfi];
#ifdef DEBUG_MODEL_MEM
i = (m->head.numframes * s->numverts * sizeof(float) * 15);
if (i > 1<<20)
initprintf("size %d (%d fr, %d v): md %s surf %d/%d\n", i, m->head.numframes, s->numverts,
m->head.nam, surfi, m->head.numsurfs);
#endif
s->geometry = Bcalloc(m->head.numframes * s->numverts * sizeof(float), 15);
numtris = Bcalloc(s->numverts, sizeof(int));
if (!s->geometry || !numtris)
QuitOnFatalError("OUT OF MEMORY in md3postload_polymer!");
verti = 0;
while (verti < (m->head.numframes * s->numverts))
{
s->geometry[(verti * 15) + 0] = s->xyzn[verti].x;
s->geometry[(verti * 15) + 1] = s->xyzn[verti].y;
s->geometry[(verti * 15) + 2] = s->xyzn[verti].z;
// normal extraction from packed spherical coordinates
// FIXME: swapping lat and lng because of npherno's compiler
lat = s->xyzn[verti].nlng * (2 * PI) / 255.0f;
lng = s->xyzn[verti].nlat * (2 * PI) / 255.0f;
s->geometry[(verti * 15) + 3] = cos(lat) * sin(lng);
s->geometry[(verti * 15) + 4] = sin(lat) * sin(lng);
s->geometry[(verti * 15) + 5] = cos(lng);
verti++;
}
trii = 0;
while (trii < s->numtris)
{
// let the vertices know they're being referenced by a triangle
if (s->tris[trii].i[0] >= s->numverts || s->tris[trii].i[0] < 0 ||
s->tris[trii].i[1] >= s->numverts || s->tris[trii].i[1] < 0 ||
s->tris[trii].i[2] >= s->numverts || s->tris[trii].i[2] < 0)
{
// corrupt model
Bfree(numtris);
// OSD_Printf("Triangle index out of bounds!\n");
return 0;
}
numtris[s->tris[trii].i[0]]++;
numtris[s->tris[trii].i[1]]++;
numtris[s->tris[trii].i[2]]++;
framei = 0;
while (framei < m->head.numframes)
{
vec1[0] = s->geometry[(framei * s->numverts * 15) + (s->tris[trii].i[1] * 15) + 0] -
s->geometry[(framei * s->numverts * 15) + (s->tris[trii].i[0] * 15) + 0];
vec1[1] = s->geometry[(framei * s->numverts * 15) + (s->tris[trii].i[1] * 15) + 1] -
s->geometry[(framei * s->numverts * 15) + (s->tris[trii].i[0] * 15) + 1];
vec1[2] = s->geometry[(framei * s->numverts * 15) + (s->tris[trii].i[1] * 15) + 2] -
s->geometry[(framei * s->numverts * 15) + (s->tris[trii].i[0] * 15) + 2];
vec1[3] = s->uv[s->tris[trii].i[1]].u - s->uv[s->tris[trii].i[0]].u;
vec1[4] = s->uv[s->tris[trii].i[1]].v - s->uv[s->tris[trii].i[0]].v;
vec2[0] = s->geometry[(framei * s->numverts * 15) + (s->tris[trii].i[2] * 15) + 0] -
s->geometry[(framei * s->numverts * 15) + (s->tris[trii].i[1] * 15) + 0];
vec2[1] = s->geometry[(framei * s->numverts * 15) + (s->tris[trii].i[2] * 15) + 1] -
s->geometry[(framei * s->numverts * 15) + (s->tris[trii].i[1] * 15) + 1];
vec2[2] = s->geometry[(framei * s->numverts * 15) + (s->tris[trii].i[2] * 15) + 2] -
s->geometry[(framei * s->numverts * 15) + (s->tris[trii].i[1] * 15) + 2];
vec2[3] = s->uv[s->tris[trii].i[2]].u - s->uv[s->tris[trii].i[1]].u;
vec2[4] = s->uv[s->tris[trii].i[2]].v - s->uv[s->tris[trii].i[1]].v;
r = (vec1[3] * vec2[4] - vec2[3] * vec1[4]);
if (r != 0.0f)
{
r = 1.0 / r;
// tangent
mat[0] = (vec2[4] * vec1[0] - vec1[4] * vec2[0]) * r;
mat[1] = (vec2[4] * vec1[1] - vec1[4] * vec2[1]) * r;
mat[2] = (vec2[4] * vec1[2] - vec1[4] * vec2[2]) * r;
normalize(&mat[0]);
// bitangent
mat[3] = (vec1[3] * vec2[0] - vec2[3] * vec1[0]) * r;
mat[4] = (vec1[3] * vec2[1] - vec2[3] * vec1[1]) * r;
mat[5] = (vec1[3] * vec2[2] - vec2[3] * vec1[2]) * r;
normalize(&mat[3]);
}
else
{
mat[0] = mat[1] = mat[2] = 0.0f;
mat[3] = mat[4] = mat[5] = 0.0f;
}
// T and B are shared for the three vertices in that triangle
i = 0;
while (i < 6)
{
s->geometry[(framei * s->numverts * 15) + (s->tris[trii].i[0] * 15) + 6 + i] += mat[i];
s->geometry[(framei * s->numverts * 15) + (s->tris[trii].i[1] * 15) + 6 + i] += mat[i];
s->geometry[(framei * s->numverts * 15) + (s->tris[trii].i[2] * 15) + 6 + i] += mat[i];
i++;
}
framei++;
}
trii++;
}
// now that we accumulated the TBNs, average and invert them for each vertex
verti = 0;
while (verti < (m->head.numframes * s->numverts))
{
int32_t curnumtris = numtris[verti % s->numverts];
if (curnumtris > 0)
{
i = 6;
while (i < 12)
{
s->geometry[(verti * 15) + i] /= curnumtris;
i++;
}
}
#ifdef DEBUG_MODEL_MEM
else if (verti == verti%s->numverts)
{
OSD_Printf("%s: vert %d is unused\n", m->head.nam, verti);
}
#endif
// copy N over
s->geometry[(verti * 15) + 12] = s->geometry[(verti * 15) + 3];
s->geometry[(verti * 15) + 13] = s->geometry[(verti * 15) + 4];
s->geometry[(verti * 15) + 14] = s->geometry[(verti * 15) + 5];
invertmatrix(&s->geometry[(verti * 15) + 6], mat);
memcpy(&s->geometry[(verti * 15) + 6], mat, sizeof(float) * 9);
verti++;
}
Bfree(numtris);
surfi++;
}
#else
UNREFERENCED_PARAMETER(m);
#endif
return 1;
}
static int32_t md3draw(md3model_t *m, const spritetype *tspr)
{
point3d fp, fp1, fp2, m0, m1, a0;
md3xyzn_t *v0, *v1;
int32_t i, j, k, l, surfi;
float f, g, k0, k1, k2, k3, k4, k5, k6, k7, mat[16];
md3surf_t *s;
GLfloat pc[4];
int32_t texunits = GL_TEXTURE0_ARB;
mdskinmap_t *sk;
//PLAG : sorting stuff
void *vbotemp;
point3d *vertexhandle = NULL;
uint16_t *indexhandle;
uint8_t lpal = (tspr->owner >= MAXSPRITES) ? tspr->pal : sprite[tspr->owner].pal;
if (r_vbos && (m->vbos == NULL))
mdloadvbos(m);
// if ((tspr->cstat&48) == 32) return 0;
updateanimation((md2model_t *)m, tspr, lpal);
//create current&next frame's vertex list from whole list
f = m->interpol; g = 1-f;
if (m->interpol < 0 || m->interpol > 1 ||
m->cframe < 0 || m->cframe >= m->numframes ||
m->nframe < 0 || m->nframe >= m->numframes)
{
#ifdef DEBUGGINGAIDS
OSD_Printf("%s: mdframe oob: c:%d n:%d total:%d interpol:%.02f\n",
m->head.nam, m->cframe, m->nframe, m->numframes, m->interpol);
#endif
if (m->interpol < 0)
m->interpol = 0;
if (m->interpol > 1)
m->interpol = 1;
if (m->cframe < 0)
m->cframe = 0;
if (m->cframe >= m->numframes)
m->cframe = m->numframes - 1;
if (m->nframe < 0)
m->nframe = 0;
if (m->nframe >= m->numframes)
m->nframe = m->numframes - 1;
}
if (m->head.flags == 1337)
{
// md2
m0.x = m->scale * g; m1.x = m->scale *f;
m0.y = m->scale * g; m1.y = m->scale *f;
m0.z = m->scale * g; m1.z = m->scale *f;
a0.x = a0.y = 0; a0.z = ((globalorientation&8)?-m->zadd:m->zadd)*m->scale;
}
else
{
m0.x = (1.0/64.0) * m->scale * g; m1.x = (1.0/64.0) * m->scale *f;
m0.y = (1.0/64.0) * m->scale * g; m1.y = (1.0/64.0) * m->scale *f;
m0.z = (1.0/64.0) * m->scale * g; m1.z = (1.0/64.0) * m->scale *f;
a0.x = a0.y = 0; a0.z = ((globalorientation&8)?-m->zadd:m->zadd)*m->scale;
}
// Parkar: Moved up to be able to use k0 for the y-flipping code
k0 = (float)tspr->z;
if ((globalorientation&128) && !((globalorientation&48)==32)) k0 += (float)((tilesizy[tspr->picnum]*tspr->yrepeat)<<1);
// Parkar: Changed to use the same method as centeroriented sprites
if (globalorientation&8) //y-flipping
{
m0.z = -m0.z; m1.z = -m1.z; a0.z = -a0.z;
k0 -= (float)((tilesizy[tspr->picnum]*tspr->yrepeat)<<2);
}
if (globalorientation&4) { m0.y = -m0.y; m1.y = -m1.y; a0.y = -a0.y; } //x-flipping
// yoffset differs from zadd in that it does not follow cstat&8 y-flipping
a0.z += m->yoffset*m->scale;
f = ((float)tspr->xrepeat)/64*m->bscale;
m0.x *= f; m1.x *= f; a0.x *= f; f = -f; // 20040610: backwards models aren't cool
m0.y *= f; m1.y *= f; a0.y *= f;
f = ((float)tspr->yrepeat)/64*m->bscale;
m0.z *= f; m1.z *= f; a0.z *= f;
// floor aligned
k1 = (float)tspr->y;
if ((globalorientation&48)==32)
{
m0.z = -m0.z; m1.z = -m1.z; a0.z = -a0.z;
m0.y = -m0.y; m1.y = -m1.y; a0.y = -a0.y;
f = a0.x; a0.x = a0.z; a0.z = f;
k1 += (float)((tilesizy[tspr->picnum]*tspr->yrepeat)>>3);
}
f = (65536.0*512.0)/((float)xdimen*viewingrange);
g = 32.0/((float)xdimen*gxyaspect);
m0.y *= f; m1.y *= f; a0.y = (((float)(tspr->x-globalposx))/ 1024.0 + a0.y)*f;
m0.x *=-f; m1.x *=-f; a0.x = (((float)(k1 -globalposy))/ -1024.0 + a0.x)*-f;
m0.z *= g; m1.z *= g; a0.z = (((float)(k0 -globalposz))/-16384.0 + a0.z)*g;
k0 = ((float)(tspr->x-globalposx))*f/1024.0;
k1 = ((float)(tspr->y-globalposy))*f/1024.0;
f = gcosang2*gshang;
g = gsinang2*gshang;
k4 = (float)sintable[(tspr->ang+spriteext[tspr->owner].angoff+1024)&2047] / 16384.0;
k5 = (float)sintable[(tspr->ang+spriteext[tspr->owner].angoff+ 512)&2047] / 16384.0;
k2 = k0*(1-k4)+k1*k5;
k3 = k1*(1-k4)-k0*k5;
k6 = f*gstang - gsinang*gctang; k7 = g*gstang + gcosang*gctang;
mat[0] = k4*k6 + k5*k7; mat[4] = gchang*gstang; mat[ 8] = k4*k7 - k5*k6; mat[12] = k2*k6 + k3*k7;
k6 = f*gctang + gsinang*gstang; k7 = g*gctang - gcosang*gstang;
mat[1] = k4*k6 + k5*k7; mat[5] = gchang*gctang; mat[ 9] = k4*k7 - k5*k6; mat[13] = k2*k6 + k3*k7;
k6 = gcosang2*gchang; k7 = gsinang2*gchang;
mat[2] = k4*k6 + k5*k7; mat[6] =-gshang; mat[10] = k4*k7 - k5*k6; mat[14] = k2*k6 + k3*k7;
mat[12] += a0.y*mat[0] + a0.z*mat[4] + a0.x*mat[ 8];
mat[13] += a0.y*mat[1] + a0.z*mat[5] + a0.x*mat[ 9];
mat[14] += a0.y*mat[2] + a0.z*mat[6] + a0.x*mat[10];
// floor aligned
if ((globalorientation&48)==32)
{
f = mat[4]; mat[4] = mat[8]*16.0; mat[8] = -f*(1.0/16.0);
f = mat[5]; mat[5] = mat[9]*16.0; mat[9] = -f*(1.0/16.0);
f = mat[6]; mat[6] = mat[10]*16.0; mat[10] = -f*(1.0/16.0);
}
//Mirrors
if (grhalfxdown10x < 0) { mat[0] = -mat[0]; mat[4] = -mat[4]; mat[8] = -mat[8]; mat[12] = -mat[12]; }
//------------
//bit 10 is an ugly hack in game.c\animatesprites telling MD2SPRITE
//to use Z-buffer hacks to hide overdraw problems with the shadows
if (tspr->cstat&1024)
{
bglDepthFunc(GL_LESS); //NEVER,LESS,(,L)EQUAL,GREATER,(NOT,G)EQUAL,ALWAYS
bglDepthRange(0.0,0.9999);
}
bglPushAttrib(GL_POLYGON_BIT);
if ((grhalfxdown10x >= 0) ^((globalorientation&8) != 0) ^((globalorientation&4) != 0)) bglFrontFace(GL_CW); else bglFrontFace(GL_CCW);
bglEnable(GL_CULL_FACE);
bglCullFace(GL_BACK);
bglEnable(GL_TEXTURE_2D);
pc[0] = pc[1] = pc[2] = ((float)(numshades-min(max((globalshade * shadescale)+m->shadeoff,0),numshades)))/((float)numshades);
if (!(hictinting[globalpal].f&4))
{
if (!(m->flags&1) || (!(tspr->owner >= MAXSPRITES) && sector[sprite[tspr->owner].sectnum].floorpal!=0))
{
pc[0] *= (float)hictinting[globalpal].r / 255.0;
pc[1] *= (float)hictinting[globalpal].g / 255.0;
pc[2] *= (float)hictinting[globalpal].b / 255.0;
if (hictinting[MAXPALOOKUPS-1].r != 255 || hictinting[MAXPALOOKUPS-1].g != 255 || hictinting[MAXPALOOKUPS-1].b != 255)
{
pc[0] *= (float)hictinting[MAXPALOOKUPS-1].r / 255.0f;
pc[1] *= (float)hictinting[MAXPALOOKUPS-1].g / 255.0f;
pc[2] *= (float)hictinting[MAXPALOOKUPS-1].b / 255.0f;
}
}
else globalnoeffect=1;
}
if (tspr->cstat&2) { if (!(tspr->cstat&512)) pc[3] = 0.66f; else pc[3] = 0.33f; }
else pc[3] = 1.0;
if (m->usesalpha) //Sprites with alpha in texture
{
// bglEnable(GL_BLEND);// bglBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
// bglEnable(GL_ALPHA_TEST); bglAlphaFunc(GL_GREATER,0.32);
// float al = 0.32;
// PLAG : default cutoff removed
float al = 0.0;
if (alphahackarray[globalpicnum] != 0)
al=alphahackarray[globalpicnum];
bglEnable(GL_BLEND);
bglEnable(GL_ALPHA_TEST);
bglAlphaFunc(GL_GREATER,al);
}
else
{
if (tspr->cstat&2) bglEnable(GL_BLEND); //else bglDisable(GL_BLEND);
}
bglColor4f(pc[0],pc[1],pc[2],pc[3]);
//if (m->head.flags == 1337)
// bglColor4f(0.0f, 0.0f, 1.0f, 1.0f);
//------------
// PLAG: Cleaner model rotation code
if (spriteext[tspr->owner].pitch || spriteext[tspr->owner].roll || m->head.flags == 1337)
{
if (spriteext[tspr->owner].xoff)
a0.x = (float)(spriteext[tspr->owner].xoff / (2560 * (m0.x+m1.x)));
else
a0.x = 0;
if (spriteext[tspr->owner].yoff)
a0.y = (float)(spriteext[tspr->owner].yoff / (2560 * (m0.x+m1.x)));
else
a0.y = 0;
if ((spriteext[tspr->owner].zoff) && !(tspr->cstat&1024))
a0.z = (float)(spriteext[tspr->owner].zoff / (655360 * (m0.z+m1.z)));
else
a0.z = 0;
k0 = (float)sintable[(spriteext[tspr->owner].pitch+512)&2047] / 16384.0;
k1 = (float)sintable[spriteext[tspr->owner].pitch&2047] / 16384.0;
k2 = (float)sintable[(spriteext[tspr->owner].roll+512)&2047] / 16384.0;
k3 = (float)sintable[spriteext[tspr->owner].roll&2047] / 16384.0;
}
for (surfi=0; surfi<m->head.numsurfs; surfi++)
{
s = &m->head.surfs[surfi];
v0 = &s->xyzn[m->cframe*s->numverts];
v1 = &s->xyzn[m->nframe*s->numverts];
if (r_vertexarrays && r_vbos)
{
if (++curvbo >= r_vbocount)
curvbo = 0;
bglBindBufferARB(GL_ARRAY_BUFFER_ARB, vertvbos[curvbo]);
vbotemp = bglMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
vertexhandle = (point3d *)vbotemp;
}
for (i=s->numverts-1; i>=0; i--)
{
if (spriteext[tspr->owner].pitch || spriteext[tspr->owner].roll || m->head.flags == 1337)
{
fp.z = ((m->head.flags == 1337) ? (v0[i].x * m->muladdframes[m->cframe*2].x) + m->muladdframes[m->cframe*2+1].x : v0[i].x) + a0.x;
fp.x = ((m->head.flags == 1337) ? (v0[i].y * m->muladdframes[m->cframe*2].y) + m->muladdframes[m->cframe*2+1].y : v0[i].y) + a0.y;
fp.y = ((m->head.flags == 1337) ? (v0[i].z * m->muladdframes[m->cframe*2].z) + m->muladdframes[m->cframe*2+1].z : v0[i].z) + a0.z;
fp1.x = fp.x*k2 + fp.y*k3;
fp1.y = fp.x*k0*(-k3) + fp.y*k0*k2 + fp.z*(-k1);
fp1.z = fp.x*k1*(-k3) + fp.y*k1*k2 + fp.z*k0;
fp.z = ((m->head.flags == 1337) ? (v1[i].x * m->muladdframes[m->nframe*2].x) + m->muladdframes[m->nframe*2+1].x : v1[i].x) + a0.x;
fp.x = ((m->head.flags == 1337) ? (v1[i].y * m->muladdframes[m->nframe*2].y) + m->muladdframes[m->nframe*2+1].y : v1[i].y) + a0.y;
fp.y = ((m->head.flags == 1337) ? (v1[i].z * m->muladdframes[m->nframe*2].z) + m->muladdframes[m->nframe*2+1].z : v1[i].z) + a0.z;
fp2.x = fp.x*k2 + fp.y*k3;
fp2.y = fp.x*k0*(-k3) + fp.y*k0*k2 + fp.z*(-k1);
fp2.z = fp.x*k1*(-k3) + fp.y*k1*k2 + fp.z*k0;
fp.z = (fp1.z - a0.x)*m0.x + (fp2.z - a0.x)*m1.x;
fp.x = (fp1.x - a0.y)*m0.y + (fp2.x - a0.y)*m1.y;
fp.y = (fp1.y - a0.z)*m0.z + (fp2.y - a0.z)*m1.z;
}
else
{
fp.z = v0[i].x*m0.x + v1[i].x*m1.x;
fp.y = v0[i].z*m0.z + v1[i].z*m1.z;
fp.x = v0[i].y*m0.y + v1[i].y*m1.y;
}
if (r_vertexarrays && r_vbos)
{
vertexhandle[i].x = fp.x;
vertexhandle[i].y = fp.y;
vertexhandle[i].z = fp.z;
}
vertlist[i].x = fp.x;
vertlist[i].y = fp.y;
vertlist[i].z = fp.z;
}
if (r_vertexarrays && r_vbos)
{
bglUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
bglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
}
bglMatrixMode(GL_MODELVIEW); //Let OpenGL (and perhaps hardware :) handle the matrix rotation
mat[3] = mat[7] = mat[11] = 0.f; mat[15] = 1.f; bglLoadMatrixf(mat);
// PLAG: End
i = mdloadskin((md2model_t *)m,tile2model[Ptile2tile(tspr->picnum,lpal)].skinnum,globalpal,surfi);
if (!i)
continue;
//i = mdloadskin((md2model *)m,tile2model[Ptile2tile(tspr->picnum,lpal)].skinnum,surfi); //hack for testing multiple surfaces per MD3
bglBindTexture(GL_TEXTURE_2D, i);
if (r_detailmapping && !(tspr->cstat&1024))
i = mdloadskin((md2model_t *)m,tile2model[Ptile2tile(tspr->picnum,lpal)].skinnum,DETAILPAL,surfi);
else
i = 0;
if (i)
{
bglActiveTextureARB(++texunits);
bglEnable(GL_TEXTURE_2D);
bglBindTexture(GL_TEXTURE_2D, i);
bglTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
bglTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
bglTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PREVIOUS_ARB);
bglTexEnvf(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);
bglTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_TEXTURE);
bglTexEnvf(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, GL_SRC_COLOR);
bglTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
bglTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PREVIOUS_ARB);
bglTexEnvf(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_SRC_ALPHA);
bglTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 2.0f);
bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT);
bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT);
for (sk = m->skinmap; sk; sk = sk->next)
if ((int32_t)sk->palette == DETAILPAL && sk->skinnum == tile2model[Ptile2tile(tspr->picnum,lpal)].skinnum && sk->surfnum == surfi)
f = sk->param;
bglMatrixMode(GL_TEXTURE);
bglLoadIdentity();
bglScalef(f, f, 1.0f);
bglMatrixMode(GL_MODELVIEW);
}
if (r_glowmapping && !(tspr->cstat&1024))
i = mdloadskin((md2model_t *)m,tile2model[Ptile2tile(tspr->picnum,lpal)].skinnum,GLOWPAL,surfi);
else
i = 0;
if (i)
{
bglActiveTextureARB(++texunits);
bglEnable(GL_TEXTURE_2D);
bglBindTexture(GL_TEXTURE_2D, i);
bglTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
bglTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_INTERPOLATE_ARB);
bglTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PREVIOUS_ARB);
bglTexEnvf(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);
bglTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_TEXTURE);
bglTexEnvf(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, GL_SRC_COLOR);
bglTexEnvf(GL_TEXTURE_ENV, GL_SOURCE2_RGB_ARB, GL_TEXTURE);
bglTexEnvf(GL_TEXTURE_ENV, GL_OPERAND2_RGB_ARB, GL_ONE_MINUS_SRC_ALPHA);
bglTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
bglTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PREVIOUS_ARB);
bglTexEnvf(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_SRC_ALPHA);
bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT);
bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT);
}
if (r_vertexarrays && r_vbos)
{
bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, indexvbos[curvbo]);
vbotemp = bglMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
indexhandle = (uint16_t *)vbotemp;
}
else
indexhandle = m->vindexes;
//PLAG: delayed polygon-level sorted rendering
if (m->usesalpha && !(tspr->cstat & 1024))
{
for (i=s->numtris-1; i>=0; i--)
{
// Matrix multiplication - ugly but clear
fp.x = (vertlist[s->tris[i].i[0]].x * mat[0]) + (vertlist[s->tris[i].i[0]].y * mat[4]) + (vertlist[s->tris[i].i[0]].z * mat[8]) + mat[12];
fp.y = (vertlist[s->tris[i].i[0]].x * mat[1]) + (vertlist[s->tris[i].i[0]].y * mat[5]) + (vertlist[s->tris[i].i[0]].z * mat[9]) + mat[13];
fp.z = (vertlist[s->tris[i].i[0]].x * mat[2]) + (vertlist[s->tris[i].i[0]].y * mat[6]) + (vertlist[s->tris[i].i[0]].z * mat[10]) + mat[14];
fp1.x = (vertlist[s->tris[i].i[1]].x * mat[0]) + (vertlist[s->tris[i].i[1]].y * mat[4]) + (vertlist[s->tris[i].i[1]].z * mat[8]) + mat[12];
fp1.y = (vertlist[s->tris[i].i[1]].x * mat[1]) + (vertlist[s->tris[i].i[1]].y * mat[5]) + (vertlist[s->tris[i].i[1]].z * mat[9]) + mat[13];
fp1.z = (vertlist[s->tris[i].i[1]].x * mat[2]) + (vertlist[s->tris[i].i[1]].y * mat[6]) + (vertlist[s->tris[i].i[1]].z * mat[10]) + mat[14];
fp2.x = (vertlist[s->tris[i].i[2]].x * mat[0]) + (vertlist[s->tris[i].i[2]].y * mat[4]) + (vertlist[s->tris[i].i[2]].z * mat[8]) + mat[12];
fp2.y = (vertlist[s->tris[i].i[2]].x * mat[1]) + (vertlist[s->tris[i].i[2]].y * mat[5]) + (vertlist[s->tris[i].i[2]].z * mat[9]) + mat[13];
fp2.z = (vertlist[s->tris[i].i[2]].x * mat[2]) + (vertlist[s->tris[i].i[2]].y * mat[6]) + (vertlist[s->tris[i].i[2]].z * mat[10]) + mat[14];
f = (fp.x * fp.x) + (fp.y * fp.y) + (fp.z * fp.z);
g = (fp1.x * fp1.x) + (fp1.y * fp1.y) + (fp1.z * fp1.z);
if (f > g)
f = g;
g = (fp2.x * fp2.x) + (fp2.y * fp2.y) + (fp2.z * fp2.z);
if (f > g)
f = g;
m->maxdepths[i] = f;
m->indexes[i] = i;
}
// dichotomic recursive sorting - about 100x less iterations than bubblesort
quicksort(m->indexes, m->maxdepths, 0, s->numtris - 1);
if (r_vertexarrays)
{
k = 0;
for (i=s->numtris-1; i>=0; i--)
for (j=0; j<3; j++)
indexhandle[k++] = s->tris[m->indexes[i]].i[j];
}
else
{
bglBegin(GL_TRIANGLES);
for (i=s->numtris-1; i>=0; i--)
for (j=0; j<3; j++)
{
k = s->tris[m->indexes[i]].i[j];
if (texunits > GL_TEXTURE0_ARB)
{
l = GL_TEXTURE0_ARB;
while (l <= texunits)
bglMultiTexCoord2fARB(l++, s->uv[k].u,s->uv[k].v);
}
else
bglTexCoord2f(s->uv[k].u,s->uv[k].v);
bglVertex3fv((float *)&vertlist[k]);
}
bglEnd();
}
}
else
{
if (r_vertexarrays)
{
k = 0;
for (i=s->numtris-1; i>=0; i--)
for (j=0; j<3; j++)
indexhandle[k++] = s->tris[i].i[j];
}
else
{
bglBegin(GL_TRIANGLES);
for (i=s->numtris-1; i>=0; i--)
for (j=0; j<3; j++)
{
k = s->tris[i].i[j];
if (texunits > GL_TEXTURE0_ARB)
{
l = GL_TEXTURE0_ARB;
while (l <= texunits)
bglMultiTexCoord2fARB(l++, s->uv[k].u,s->uv[k].v);
}
else
bglTexCoord2f(s->uv[k].u,s->uv[k].v);
bglVertex3fv((float *)&vertlist[k]);
}
bglEnd();
}
}
if (r_vertexarrays && r_vbos)
{
bglUnmapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB);
bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
}
if (r_vertexarrays)
{
if (r_vbos)
bglBindBufferARB(GL_ARRAY_BUFFER_ARB, m->vbos[surfi]);
l = GL_TEXTURE0_ARB;
while (l <= texunits)
{
bglClientActiveTextureARB(l++);
bglEnableClientState(GL_TEXTURE_COORD_ARRAY);
if (r_vbos)
bglTexCoordPointer(2, GL_FLOAT, 0, 0);
else
bglTexCoordPointer(2, GL_FLOAT, 0, &(s->uv[0].u));
}
if (r_vbos)
{
bglBindBufferARB(GL_ARRAY_BUFFER_ARB, vertvbos[curvbo]);
bglVertexPointer(3, GL_FLOAT, 0, 0);
}
else
bglVertexPointer(3, GL_FLOAT, 0, &(vertlist[0].x));
if (r_vbos)
{
bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, indexvbos[curvbo]);
bglDrawElements(GL_TRIANGLES, s->numtris * 3, GL_UNSIGNED_SHORT, 0);
}
else
bglDrawElements(GL_TRIANGLES, s->numtris * 3, GL_UNSIGNED_SHORT, m->vindexes);
if (r_vbos)
{
bglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
}
}
while (texunits > GL_TEXTURE0_ARB)
{
bglMatrixMode(GL_TEXTURE);
bglLoadIdentity();
bglMatrixMode(GL_MODELVIEW);
bglTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1.0f);
bglDisable(GL_TEXTURE_2D);
if (r_vertexarrays)
{
bglDisableClientState(GL_TEXTURE_COORD_ARRAY);
bglClientActiveTextureARB(texunits - 1);
}
bglActiveTextureARB(--texunits);
}
}
//------------
if (m->usesalpha) bglDisable(GL_ALPHA_TEST);
bglDisable(GL_CULL_FACE);
bglPopAttrib();
if (tspr->cstat&1024)
{
bglDepthFunc(GL_LESS); //NEVER,LESS,(,L)EQUAL,GREATER,(NOT,G)EQUAL,ALWAYS
bglDepthRange(0.0,0.99999);
}
bglLoadIdentity();
globalnoeffect=0;
return 1;
}
static void md3free(md3model_t *m)
{
mdanim_t *anim, *nanim = NULL;
mdskinmap_t *sk, *nsk = NULL;
md3surf_t *s;
int32_t surfi;
if (!m) return;
for (anim=m->animations; anim; anim=nanim)
{
nanim = anim->next;
Bfree(anim);
}
for (sk=m->skinmap; sk; sk=nsk)
{
nsk = sk->next;
Bfree(sk->fn);
Bfree(sk);
}
if (m->head.surfs)
{
for (surfi=m->head.numsurfs-1; surfi>=0; surfi--)
{
s = &m->head.surfs[surfi];
if (s->tris) Bfree(s->tris);
if (m->head.flags == 1337)
{
if (s->shaders) Bfree(s->shaders);
if (s->uv) Bfree(s->uv);
if (s->xyzn) Bfree(s->xyzn);
if (s->geometry) Bfree(s->geometry);
}
// else
// if (s->geometry) Bfree(s->geometry); // this is wrong!
}
Bfree(m->head.surfs);
}
if (m->head.tags) Bfree(m->head.tags);
if (m->head.frames) Bfree(m->head.frames);
if (m->texid) Bfree(m->texid);
if (m->muladdframes) Bfree(m->muladdframes);
if (m->indexes) Bfree(m->indexes);
if (m->vindexes) Bfree(m->vindexes);
if (m->maxdepths) Bfree(m->maxdepths);
if (m->vbos)
{
bglDeleteBuffersARB(m->head.numsurfs, m->vbos);
Bfree(m->vbos);
m->vbos = NULL;
}
Bfree(m);
}
//---------------------------------------- MD3 LIBRARY ENDS ----------------------------------------
//--------------------------------------- VOX LIBRARY BEGINS ---------------------------------------
//For loading/conversion only
static int32_t xsiz, ysiz, zsiz, yzsiz, *vbit = 0; //vbit: 1 bit per voxel: 0=air,1=solid
static float xpiv, ypiv, zpiv; //Might want to use more complex/unique names!
static int32_t *vcolhashead = 0, vcolhashsizm1;
typedef struct { int32_t p, c, n; } voxcol_t;
static voxcol_t *vcol = 0; int32_t vnum = 0, vmax = 0;
typedef struct { int16_t x, y; } spoint2d;
static spoint2d *shp;
static int32_t *shcntmal, *shcnt = 0, shcntp;
static int32_t mytexo5, *zbit, gmaxx, gmaxy, garea, pow2m1[33];
static voxmodel_t *gvox;
//pitch must equal xsiz*4
uint32_t gloadtex(int32_t *picbuf, int32_t xsiz, int32_t ysiz, int32_t is8bit, int32_t dapal)
{
uint32_t rtexid;
coltype *pic, *pic2;
char *cptr;
int32_t i;
pic = (coltype *)picbuf; //Correct for GL's RGB order; also apply gamma here..
pic2 = (coltype *)Bmalloc(xsiz*ysiz*sizeof(int32_t)); if (!pic2) return((unsigned)-1);
cptr = (char *)&britable[gammabrightness ? 0 : curbrightness][0];
if (!is8bit)
{
for (i=xsiz*ysiz-1; i>=0; i--)
{
pic2[i].b = cptr[pic[i].r];
pic2[i].g = cptr[pic[i].g];
pic2[i].r = cptr[pic[i].b];
pic2[i].a = 255;
}
}
else
{
if (palookup[dapal] == NULL) dapal = 0;
for (i=xsiz*ysiz-1; i>=0; i--)
{
pic2[i].b = cptr[palette[(int32_t)palookup[dapal][pic[i].a]*3+2]*4];
pic2[i].g = cptr[palette[(int32_t)palookup[dapal][pic[i].a]*3+1]*4];
pic2[i].r = cptr[palette[(int32_t)palookup[dapal][pic[i].a]*3+0]*4];
pic2[i].a = 255;
}
}
bglGenTextures(1,(GLuint *)&rtexid);
bglBindTexture(GL_TEXTURE_2D,rtexid);
bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
bglTexImage2D(GL_TEXTURE_2D,0,4,xsiz,ysiz,0,GL_RGBA,GL_UNSIGNED_BYTE,(char *)pic2);
Bfree(pic2);
return(rtexid);
}
static int32_t getvox(int32_t x, int32_t y, int32_t z)
{
z += x*yzsiz + y*zsiz;
for (x=vcolhashead[(z*214013)&vcolhashsizm1]; x>=0; x=vcol[x].n)
if (vcol[x].p == z) return(vcol[x].c);
return(0x808080);
}
static void putvox(int32_t x, int32_t y, int32_t z, int32_t col)
{
if (vnum >= vmax) { vmax = max(vmax<<1,4096); vcol = (voxcol_t *)Brealloc(vcol,vmax*sizeof(voxcol_t)); }
z += x*yzsiz + y*zsiz;
vcol[vnum].p = z; z = ((z*214013)&vcolhashsizm1);
vcol[vnum].c = col;
vcol[vnum].n = vcolhashead[z]; vcolhashead[z] = vnum++;
}
//Set all bits in vbit from (x,y,z0) to (x,y,z1-1) to 0's
#if 0
static void setzrange0(int32_t *lptr, int32_t z0, int32_t z1)
{
int32_t z, ze;
if (!((z0^z1)&~31)) { lptr[z0>>5] &= ((~(-1<<SHIFTMOD32(z0)))|(-1<<SHIFTMOD32(z1))); return; }
z = (z0>>5); ze = (z1>>5);
lptr[z] &=~(-1<<SHIFTMOD32(z0)); for (z++; z<ze; z++) lptr[z] = 0;
lptr[z] &= (-1<<SHIFTMOD32(z1));
}
#endif
//Set all bits in vbit from (x,y,z0) to (x,y,z1-1) to 1's
static void setzrange1(int32_t *lptr, int32_t z0, int32_t z1)
{
int32_t z, ze;
if (!((z0^z1)&~31)) { lptr[z0>>5] |= ((~(-1<<SHIFTMOD32(z1)))&(-1<<SHIFTMOD32(z0))); return; }
z = (z0>>5); ze = (z1>>5);
lptr[z] |= (-1<<SHIFTMOD32(z0)); for (z++; z<ze; z++) lptr[z] = -1;
lptr[z] |=~(-1<<SHIFTMOD32(z1));
}
static int32_t isrectfree(int32_t x0, int32_t y0, int32_t dx, int32_t dy)
{
#if 0
int32_t i, j, x;
i = y0*gvox->mytexx + x0;
for (dy=0; dy; dy--,i+=gvox->mytexx)
for (x=0; x<dx; x++) { j = i+x; if (zbit[j>>5]&(1<<SHIFTMOD32(j))) return(0); }
#else
int32_t i, c, m, m1, x;
i = y0*mytexo5 + (x0>>5); dx += x0-1; c = (dx>>5) - (x0>>5);
m = ~pow2m1[x0&31]; m1 = pow2m1[(dx&31)+1];
if (!c) { for (m&=m1; dy; dy--,i+=mytexo5) if (zbit[i]&m) return(0); }
else
{
for (; dy; dy--,i+=mytexo5)
{
if (zbit[i]&m) return(0);
for (x=1; x<c; x++) if (zbit[i+x]) return(0);
if (zbit[i+x]&m1) return(0);
}
}
#endif
return(1);
}
static void setrect(int32_t x0, int32_t y0, int32_t dx, int32_t dy)
{
#if 0
int32_t i, j, y;
i = y0*gvox->mytexx + x0;
for (y=0; y<dy; y++,i+=gvox->mytexx)
for (x=0; x<dx; x++) { j = i+x; zbit[j>>5] |= (1<<SHIFTMOD32(j)); }
#else
int32_t i, c, m, m1, x;
i = y0*mytexo5 + (x0>>5); dx += x0-1; c = (dx>>5) - (x0>>5);
m = ~pow2m1[x0&31]; m1 = pow2m1[(dx&31)+1];
if (!c) { for (m&=m1; dy; dy--,i+=mytexo5) zbit[i] |= m; }
else
{
for (; dy; dy--,i+=mytexo5)
{
zbit[i] |= m;
for (x=1; x<c; x++) zbit[i+x] = -1;
zbit[i+x] |= m1;
}
}
#endif
}
static void cntquad(int32_t x0, int32_t y0, int32_t z0, int32_t x1, int32_t y1, int32_t z1, int32_t x2, int32_t y2, int32_t z2, int32_t face)
{
int32_t x, y, z;
UNREFERENCED_PARAMETER(x1);
UNREFERENCED_PARAMETER(y1);
UNREFERENCED_PARAMETER(z1);
UNREFERENCED_PARAMETER(face);
x = labs(x2-x0); y = labs(y2-y0); z = labs(z2-z0);
if (!x) x = z; else if (!y) y = z;
if (x < y) { z = x; x = y; y = z; }
shcnt[y*shcntp+x]++;
if (x > gmaxx) gmaxx = x;
if (y > gmaxy) gmaxy = y;
garea += (x+(VOXBORDWIDTH<<1))*(y+(VOXBORDWIDTH<<1));
gvox->qcnt++;
}
static void addquad(int32_t x0, int32_t y0, int32_t z0, int32_t x1, int32_t y1, int32_t z1, int32_t x2, int32_t y2, int32_t z2, int32_t face)
{
int32_t i, j, x, y, z, xx, yy, nx = 0, ny = 0, nz = 0, *lptr;
voxrect_t *qptr;
x = labs(x2-x0); y = labs(y2-y0); z = labs(z2-z0);
if (!x) { x = y; y = z; i = 0; }
else if (!y) { y = z; i = 1; }
else i = 2;
if (x < y) { z = x; x = y; y = z; i += 3; }
z = shcnt[y*shcntp+x]++;
lptr = &gvox->mytex[(shp[z].y+VOXBORDWIDTH)*gvox->mytexx+(shp[z].x+VOXBORDWIDTH)];
switch (face)
{
case 0:
ny = y1; x2 = x0; x0 = x1; x1 = x2; break;
case 1:
ny = y0; y0++; y1++; y2++; break;
case 2:
nz = z1; y0 = y2; y2 = y1; y1 = y0; z0++; z1++; z2++; break;
case 3:
nz = z0; break;
case 4:
nx = x1; y2 = y0; y0 = y1; y1 = y2; x0++; x1++; x2++; break;
case 5:
nx = x0; break;
}
for (yy=0; yy<y; yy++,lptr+=gvox->mytexx)
for (xx=0; xx<x; xx++)
{
switch (face)
{
case 0:
if (i < 3) { nx = x1+x-1-xx; nz = z1+yy; } //back
else { nx = x1+y-1-yy; nz = z1+xx; }
break;
case 1:
if (i < 3) { nx = x0+xx; nz = z0+yy; } //front
else { nx = x0+yy; nz = z0+xx; }
break;
case 2:
if (i < 3) { nx = x1-x+xx; ny = y1-1-yy; } //bot
else { nx = x1-1-yy; ny = y1-1-xx; }
break;
case 3:
if (i < 3) { nx = x0+xx; ny = y0+yy; } //top
else { nx = x0+yy; ny = y0+xx; }
break;
case 4:
if (i < 3) { ny = y1+x-1-xx; nz = z1+yy; } //right
else { ny = y1+y-1-yy; nz = z1+xx; }
break;
case 5:
if (i < 3) { ny = y0+xx; nz = z0+yy; } //left
else { ny = y0+yy; nz = z0+xx; }
break;
}
lptr[xx] = getvox(nx,ny,nz);
}
//Extend borders horizontally
for (yy=VOXBORDWIDTH; yy<y+VOXBORDWIDTH; yy++)
for (xx=0; xx<VOXBORDWIDTH; xx++)
{
lptr = &gvox->mytex[(shp[z].y+yy)*gvox->mytexx+shp[z].x];
lptr[xx] = lptr[VOXBORDWIDTH]; lptr[xx+x+VOXBORDWIDTH] = lptr[x-1+VOXBORDWIDTH];
}
//Extend borders vertically
for (yy=0; yy<VOXBORDWIDTH; yy++)
{
Bmemcpy(&gvox->mytex[(shp[z].y+yy)*gvox->mytexx+shp[z].x],
&gvox->mytex[(shp[z].y+VOXBORDWIDTH)*gvox->mytexx+shp[z].x],
(x+(VOXBORDWIDTH<<1))<<2);
Bmemcpy(&gvox->mytex[(shp[z].y+y+yy+VOXBORDWIDTH)*gvox->mytexx+shp[z].x],
&gvox->mytex[(shp[z].y+y-1+VOXBORDWIDTH)*gvox->mytexx+shp[z].x],
(x+(VOXBORDWIDTH<<1))<<2);
}
qptr = &gvox->quad[gvox->qcnt];
qptr->v[0].x = x0; qptr->v[0].y = y0; qptr->v[0].z = z0;
qptr->v[1].x = x1; qptr->v[1].y = y1; qptr->v[1].z = z1;
qptr->v[2].x = x2; qptr->v[2].y = y2; qptr->v[2].z = z2;
for (j=0; j<3; j++) { qptr->v[j].u = shp[z].x+VOXBORDWIDTH; qptr->v[j].v = shp[z].y+VOXBORDWIDTH; }
if (i < 3) qptr->v[1].u += x; else qptr->v[1].v += y;
qptr->v[2].u += x; qptr->v[2].v += y;
qptr->v[3].u = qptr->v[0].u - qptr->v[1].u + qptr->v[2].u;
qptr->v[3].v = qptr->v[0].v - qptr->v[1].v + qptr->v[2].v;
qptr->v[3].x = qptr->v[0].x - qptr->v[1].x + qptr->v[2].x;
qptr->v[3].y = qptr->v[0].y - qptr->v[1].y + qptr->v[2].y;
qptr->v[3].z = qptr->v[0].z - qptr->v[1].z + qptr->v[2].z;
if (gvox->qfacind[face] < 0) gvox->qfacind[face] = gvox->qcnt;
gvox->qcnt++;
}
static int32_t isolid(int32_t x, int32_t y, int32_t z)
{
if ((uint32_t)x >= (uint32_t)xsiz) return(0);
if ((uint32_t)y >= (uint32_t)ysiz) return(0);
if ((uint32_t)z >= (uint32_t)zsiz) return(0);
z += x*yzsiz + y*zsiz; return(vbit[z>>5]&(1<<SHIFTMOD32(z)));
}
static voxmodel_t *vox2poly()
{
int32_t i, j, x, y, z, v, ov, oz = 0, cnt, sc, x0, y0, dx, dy,*bx0, *by0;
void (*daquad)(int32_t, int32_t, int32_t, int32_t, int32_t, int32_t, int32_t, int32_t, int32_t, int32_t);
gvox = (voxmodel_t *)Bmalloc(sizeof(voxmodel_t)); if (!gvox) return(0);
memset(gvox,0,sizeof(voxmodel_t));
//x is largest dimension, y is 2nd largest dimension
x = xsiz; y = ysiz; z = zsiz;
if ((x < y) && (x < z)) x = z; else if (y < z) y = z;
if (x < y) { z = x; x = y; y = z; }
shcntp = x; i = x*y*sizeof(int32_t);
shcntmal = (int32_t *)Bmalloc(i); if (!shcntmal) { Bfree(gvox); return(0); }
memset(shcntmal,0,i); shcnt = &shcntmal[-shcntp-1];
gmaxx = gmaxy = garea = 0;
if (pow2m1[32] != -1) { for (i=0; i<32; i++) pow2m1[i] = (1<<i)-1; pow2m1[32] = -1; }
for (i=0; i<7; i++) gvox->qfacind[i] = -1;
i = ((max(ysiz,zsiz)+1)<<2);
bx0 = (int32_t *)Bmalloc(i<<1); if (!bx0) { Bfree(gvox); return(0); }
by0 = (int32_t *)(((intptr_t)bx0)+i);
for (cnt=0; cnt<2; cnt++)
{
if (!cnt) daquad = cntquad;
else daquad = addquad;
gvox->qcnt = 0;
memset(by0,-1,(max(ysiz,zsiz)+1)<<2); v = 0;
for (i=-1; i<=1; i+=2)
for (y=0; y<ysiz; y++)
for (x=0; x<=xsiz; x++)
for (z=0; z<=zsiz; z++)
{
ov = v; v = (isolid(x,y,z) && (!isolid(x,y+i,z)));
if ((by0[z] >= 0) && ((by0[z] != oz) || (v >= ov)))
{ daquad(bx0[z],y,by0[z],x,y,by0[z],x,y,z,i>=0); by0[z] = -1; }
if (v > ov) oz = z; else if ((v < ov) && (by0[z] != oz)) { bx0[z] = x; by0[z] = oz; }
}
for (i=-1; i<=1; i+=2)
for (z=0; z<zsiz; z++)
for (x=0; x<=xsiz; x++)
for (y=0; y<=ysiz; y++)
{
ov = v; v = (isolid(x,y,z) && (!isolid(x,y,z-i)));
if ((by0[y] >= 0) && ((by0[y] != oz) || (v >= ov)))
{ daquad(bx0[y],by0[y],z,x,by0[y],z,x,y,z,(i>=0)+2); by0[y] = -1; }
if (v > ov) oz = y; else if ((v < ov) && (by0[y] != oz)) { bx0[y] = x; by0[y] = oz; }
}
for (i=-1; i<=1; i+=2)
for (x=0; x<xsiz; x++)
for (y=0; y<=ysiz; y++)
for (z=0; z<=zsiz; z++)
{
ov = v; v = (isolid(x,y,z) && (!isolid(x-i,y,z)));
if ((by0[z] >= 0) && ((by0[z] != oz) || (v >= ov)))
{ daquad(x,bx0[z],by0[z],x,y,by0[z],x,y,z,(i>=0)+4); by0[z] = -1; }
if (v > ov) oz = z; else if ((v < ov) && (by0[z] != oz)) { bx0[z] = y; by0[z] = oz; }
}
if (!cnt)
{
shp = (spoint2d *)Bmalloc(gvox->qcnt*sizeof(spoint2d));
if (!shp) { Bfree(bx0); Bfree(gvox); return(0); }
sc = 0;
for (y=gmaxy; y; y--)
for (x=gmaxx; x>=y; x--)
{
i = shcnt[y*shcntp+x]; shcnt[y*shcntp+x] = sc; //shcnt changes from counter to head index
for (; i>0; i--) { shp[sc].x = x; shp[sc].y = y; sc++; }
}
for (gvox->mytexx=32; gvox->mytexx<(gmaxx+(VOXBORDWIDTH<<1)); gvox->mytexx<<=1);
for (gvox->mytexy=32; gvox->mytexy<(gmaxy+(VOXBORDWIDTH<<1)); gvox->mytexy<<=1);
while (gvox->mytexx*gvox->mytexy*8 < garea*9) //This should be sufficient to fit most skins...
{
skindidntfit:
;
if (gvox->mytexx <= gvox->mytexy) gvox->mytexx <<= 1; else gvox->mytexy <<= 1;
}
mytexo5 = (gvox->mytexx>>5);
i = (((gvox->mytexx*gvox->mytexy+31)>>5)<<2);
zbit = (int32_t *)Bmalloc(i); if (!zbit) { Bfree(bx0); Bfree(gvox); Bfree(shp); return(0); }
memset(zbit,0,i);
v = gvox->mytexx*gvox->mytexy;
for (z=0; z<sc; z++)
{
dx = shp[z].x+(VOXBORDWIDTH<<1); dy = shp[z].y+(VOXBORDWIDTH<<1); i = v;
do
{
#if (VOXUSECHAR != 0)
x0 = (((rand()&32767)*(min(gvox->mytexx,255)-dx))>>15);
y0 = (((rand()&32767)*(min(gvox->mytexy,255)-dy))>>15);
#else
x0 = (((rand()&32767)*(gvox->mytexx+1-dx))>>15);
y0 = (((rand()&32767)*(gvox->mytexy+1-dy))>>15);
#endif
i--;
if (i < 0) //Time-out! Very slow if this happens... but at least it still works :P
{
Bfree(zbit);
//Re-generate shp[].x/y (box sizes) from shcnt (now head indices) for next pass :/
j = 0;
for (y=gmaxy; y; y--)
for (x=gmaxx; x>=y; x--)
{
i = shcnt[y*shcntp+x];
for (; j<i; j++) { shp[j].x = x0; shp[j].y = y0; }
x0 = x; y0 = y;
}
for (; j<sc; j++) { shp[j].x = x0; shp[j].y = y0; }
goto skindidntfit;
}
}
while (!isrectfree(x0,y0,dx,dy));
while ((y0) && (isrectfree(x0,y0-1,dx,1))) y0--;
while ((x0) && (isrectfree(x0-1,y0,1,dy))) x0--;
setrect(x0,y0,dx,dy);
shp[z].x = x0; shp[z].y = y0; //Overwrite size with top-left location
}
gvox->quad = (voxrect_t *)Bmalloc(gvox->qcnt*sizeof(voxrect_t));
if (!gvox->quad) { Bfree(zbit); Bfree(shp); Bfree(bx0); Bfree(gvox); return(0); }
gvox->mytex = (int32_t *)Bmalloc(gvox->mytexx*gvox->mytexy*sizeof(int32_t));
if (!gvox->mytex) { Bfree(gvox->quad); Bfree(zbit); Bfree(shp); Bfree(bx0); Bfree(gvox); return(0); }
}
}
Bfree(shp); Bfree(zbit); Bfree(bx0);
return(gvox);
}
static int32_t loadvox(const char *filnam)
{
int32_t i, j, k, x, y, z, pal[256], fil;
char c[3], *tbuf;
fil = kopen4load(filnam,0); if (fil < 0) return(-1);
kread(fil,&xsiz,4); xsiz = B_LITTLE32(xsiz);
kread(fil,&ysiz,4); ysiz = B_LITTLE32(ysiz);
kread(fil,&zsiz,4); zsiz = B_LITTLE32(zsiz);
xpiv = ((float)xsiz)*.5;
ypiv = ((float)ysiz)*.5;
zpiv = ((float)zsiz)*.5;
klseek(fil,-768,SEEK_END);
for (i=0; i<256; i++)
{ kread(fil,c,3); pal[i] = (((int32_t)c[0])<<18)+(((int32_t)c[1])<<10)+(((int32_t)c[2])<<2)+(i<<24); }
pal[255] = -1;
vcolhashsizm1 = 8192-1;
vcolhashead = (int32_t *)Bmalloc((vcolhashsizm1+1)*sizeof(int32_t)); if (!vcolhashead) { kclose(fil); return(-1); }
memset(vcolhashead,-1,(vcolhashsizm1+1)*sizeof(int32_t));
yzsiz = ysiz*zsiz; i = ((xsiz*yzsiz+31)>>3)+1;
vbit = (int32_t *)Bmalloc(i); if (!vbit) { kclose(fil); return(-1); }
memset(vbit,0,i);
tbuf = (char *)Bmalloc(zsiz*sizeof(uint8_t)); if (!tbuf) { kclose(fil); return(-1); }
klseek(fil,12,SEEK_SET);
for (x=0; x<xsiz; x++)
for (y=0,j=x*yzsiz; y<ysiz; y++,j+=zsiz)
{
kread(fil,tbuf,zsiz);
for (z=zsiz-1; z>=0; z--)
{ if (tbuf[z] != 255) { i = j+z; vbit[i>>5] |= (1<<SHIFTMOD32(i)); } }
}
klseek(fil,12,SEEK_SET);
for (x=0; x<xsiz; x++)
for (y=0,j=x*yzsiz; y<ysiz; y++,j+=zsiz)
{
kread(fil,tbuf,zsiz);
for (z=0; z<zsiz; z++)
{
if (tbuf[z] == 255) continue;
if ((!x) || (!y) || (!z) || (x == xsiz-1) || (y == ysiz-1) || (z == zsiz-1))
{ putvox(x,y,z,pal[tbuf[z]]); continue; }
k = j+z;
if ((!(vbit[(k-yzsiz)>>5]&(1<<SHIFTMOD32(k-yzsiz)))) ||
(!(vbit[(k+yzsiz)>>5]&(1<<SHIFTMOD32(k+yzsiz)))) ||
(!(vbit[(k- zsiz)>>5]&(1<<SHIFTMOD32(k- zsiz)))) ||
(!(vbit[(k+ zsiz)>>5]&(1<<SHIFTMOD32(k+ zsiz)))) ||
(!(vbit[(k- 1)>>5]&(1<<SHIFTMOD32(k- 1)))) ||
(!(vbit[(k+ 1)>>5]&(1<<SHIFTMOD32(k+ 1)))))
{ putvox(x,y,z,pal[tbuf[z]]); continue; }
}
}
Bfree(tbuf); kclose(fil); return(0);
}
static int32_t loadkvx(const char *filnam)
{
int32_t i, j, k, x, y, z, pal[256], z0, z1, mip1leng, ysizp1, fil;
uint16_t *xyoffs;
char c[3], *tbuf, *cptr;
fil = kopen4load(filnam,0); if (fil < 0) return(-1);
kread(fil,&mip1leng,4); mip1leng = B_LITTLE32(mip1leng);
kread(fil,&xsiz,4); xsiz = B_LITTLE32(xsiz);
kread(fil,&ysiz,4); ysiz = B_LITTLE32(ysiz);
kread(fil,&zsiz,4); zsiz = B_LITTLE32(zsiz);
kread(fil,&i,4); xpiv = ((float)B_LITTLE32(i))/256.0;
kread(fil,&i,4); ypiv = ((float)B_LITTLE32(i))/256.0;
kread(fil,&i,4); zpiv = ((float)B_LITTLE32(i))/256.0;
klseek(fil,(xsiz+1)<<2,SEEK_CUR);
ysizp1 = ysiz+1;
i = xsiz*ysizp1*sizeof(int16_t);
xyoffs = (uint16_t *)Bmalloc(i); if (!xyoffs) { kclose(fil); return(-1); }
kread(fil,xyoffs,i); for (i=i/sizeof(int16_t)-1; i>=0; i--) xyoffs[i] = B_LITTLE16(xyoffs[i]);
klseek(fil,-768,SEEK_END);
for (i=0; i<256; i++)
{ kread(fil,c,3); pal[i] = B_LITTLE32((((int32_t)c[0])<<18)+(((int32_t)c[1])<<10)+(((int32_t)c[2])<<2)+(i<<24)); }
yzsiz = ysiz*zsiz; i = ((xsiz*yzsiz+31)>>3)+1;
vbit = (int32_t *)Bmalloc(i); if (!vbit) { Bfree(xyoffs); kclose(fil); return(-1); }
memset(vbit,0,i);
for (vcolhashsizm1=4096; vcolhashsizm1<(mip1leng>>1); vcolhashsizm1<<=1)
{
/* do nothing */
}
vcolhashsizm1--; //approx to numvoxs!
vcolhashead = (int32_t *)Bmalloc((vcolhashsizm1+1)*sizeof(int32_t)); if (!vcolhashead) { Bfree(xyoffs); kclose(fil); return(-1); }
memset(vcolhashead,-1,(vcolhashsizm1+1)*sizeof(int32_t));
klseek(fil,28+((xsiz+1)<<2)+((ysizp1*xsiz)<<1),SEEK_SET);
i = kfilelength(fil)-ktell(fil);
tbuf = (char *)Bmalloc(i); if (!tbuf) { Bfree(xyoffs); kclose(fil); return(-1); }
kread(fil,tbuf,i); kclose(fil);
cptr = tbuf;
for (x=0; x<xsiz; x++) //Set surface voxels to 1 else 0
for (y=0,j=x*yzsiz; y<ysiz; y++,j+=zsiz)
{
i = xyoffs[x*ysizp1+y+1] - xyoffs[x*ysizp1+y]; if (!i) continue;
z1 = 0;
while (i)
{
z0 = (int32_t)cptr[0]; k = (int32_t)cptr[1]; cptr += 3;
if (!(cptr[-1]&16)) setzrange1(vbit,j+z1,j+z0);
i -= k+3; z1 = z0+k;
setzrange1(vbit,j+z0,j+z1); // PK: oob in AMC TC dev if vbit alloc'd w/o +1
for (z=z0; z<z1; z++) putvox(x,y,z,pal[*cptr++]);
}
}
Bfree(tbuf); Bfree(xyoffs); return(0);
}
static int32_t loadkv6(const char *filnam)
{
int32_t i, j, x, y, numvoxs, z0, z1, fil;
uint16_t *ylen;
char c[8];
fil = kopen4load((char *)filnam,0); if (fil < 0) return(-1);
kread(fil,&i,4); if (B_LITTLE32(i) != 0x6c78764b) { kclose(fil); return(-1); } //Kvxl
kread(fil,&xsiz,4); xsiz = B_LITTLE32(xsiz);
kread(fil,&ysiz,4); ysiz = B_LITTLE32(ysiz);
kread(fil,&zsiz,4); zsiz = B_LITTLE32(zsiz);
kread(fil,&i,4); xpiv = (float)(B_LITTLE32(i));
kread(fil,&i,4); ypiv = (float)(B_LITTLE32(i));
kread(fil,&i,4); zpiv = (float)(B_LITTLE32(i));
kread(fil,&numvoxs,4); numvoxs = B_LITTLE32(numvoxs);
ylen = (uint16_t *)Bmalloc(xsiz*ysiz*sizeof(int16_t));
if (!ylen) { kclose(fil); return(-1); }
klseek(fil,32+(numvoxs<<3)+(xsiz<<2),SEEK_SET);
kread(fil,ylen,xsiz*ysiz*sizeof(int16_t)); for (i=xsiz*ysiz-1; i>=0; i--) ylen[i] = B_LITTLE16(ylen[i]);
klseek(fil,32,SEEK_SET);
yzsiz = ysiz*zsiz; i = ((xsiz*yzsiz+31)>>3)+1;
vbit = (int32_t *)Bmalloc(i); if (!vbit) { Bfree(ylen); kclose(fil); return(-1); }
memset(vbit,0,i);
for (vcolhashsizm1=4096; vcolhashsizm1<numvoxs; vcolhashsizm1<<=1)
{
/* do nothing */
}
vcolhashsizm1--;
vcolhashead = (int32_t *)Bmalloc((vcolhashsizm1+1)*sizeof(int32_t)); if (!vcolhashead) { Bfree(ylen); kclose(fil); return(-1); }
memset(vcolhashead,-1,(vcolhashsizm1+1)*sizeof(int32_t));
for (x=0; x<xsiz; x++)
for (y=0,j=x*yzsiz; y<ysiz; y++,j+=zsiz)
{
z1 = zsiz;
for (i=ylen[x*ysiz+y]; i>0; i--)
{
kread(fil,c,8); //b,g,r,a,z_lo,z_hi,vis,dir
z0 = B_LITTLE16(*(uint16_t *)&c[4]);
if (!(c[6]&16)) setzrange1(vbit,j+z1,j+z0);
vbit[(j+z0)>>5] |= (1<<SHIFTMOD32(j+z0));
putvox(x,y,z0,B_LITTLE32(*(int32_t *)&c[0])&0xffffff);
z1 = z0+1;
}
}
Bfree(ylen); kclose(fil); return(0);
}
#if 0
//While this code works, it's way too slow and can only cause trouble.
static int32_t loadvxl(const char *filnam)
{
int32_t i, j, x, y, z, fil;
char *v, *vbuf;
fil = kopen4load((char *)filnam,0); if (fil < 0) return(-1);
kread(fil,&i,4);
kread(fil,&xsiz,4);
kread(fil,&ysiz,4);
if ((i != 0x09072000) || (xsiz != 1024) || (ysiz != 1024)) { kclose(fil); return(-1); }
zsiz = 256;
klseek(fil,96,SEEK_CUR); //skip pos&orient
xpiv = ((float)xsiz)*.5;
ypiv = ((float)ysiz)*.5;
zpiv = ((float)zsiz)*.5;
yzsiz = ysiz*zsiz; i = ((xsiz*yzsiz+31)>>3);
vbit = (int32_t *)Bmalloc(i); if (!vbit) { kclose(fil); return(-1); }
memset(vbit,-1,i);
vcolhashsizm1 = 1048576-1;
vcolhashead = (int32_t *)Bmalloc((vcolhashsizm1+1)*sizeof(int32_t)); if (!vcolhashead) { kclose(fil); return(-1); }
memset(vcolhashead,-1,(vcolhashsizm1+1)*sizeof(int32_t));
//Allocate huge buffer and load rest of file into it...
i = kfilelength(fil)-ktell(fil);
vbuf = (char *)Bmalloc(i); if (!vbuf) { kclose(fil); return(-1); }
kread(fil,vbuf,i);
kclose(fil);
v = vbuf;
for (y=0; y<ysiz; y++)
for (x=0,j=y*zsiz; x<xsiz; x++,j+=yzsiz)
{
z = 0;
while (1)
{
setzrange0(vbit,j+z,j+v[1]);
for (z=v[1]; z<=v[2]; z++) putvox(x,y,z,(*(int32_t *)&v[(z-v[1]+1)<<2])&0xffffff);
if (!v[0]) break; z = v[2]-v[1]-v[0]+2; v += v[0]*4;
for (z+=v[3]; z<v[3]; z++) putvox(x,y,z,(*(int32_t *)&v[(z-v[3])<<2])&0xffffff);
}
v += ((((int32_t)v[2])-((int32_t)v[1])+2)<<2);
}
Bfree(vbuf); return(0);
}
#endif
void voxfree(voxmodel_t *m)
{
if (!m) return;
if (m->mytex) Bfree(m->mytex);
if (m->quad) Bfree(m->quad);
if (m->texid) Bfree(m->texid);
Bfree(m);
}
voxmodel_t *voxload(const char *filnam)
{
int32_t i, is8bit, ret;
voxmodel_t *vm;
i = strlen(filnam)-4; if (i < 0) return(0);
if (!Bstrcasecmp(&filnam[i],".vox")) { ret = loadvox(filnam); is8bit = 1; }
else if (!Bstrcasecmp(&filnam[i],".kvx")) { ret = loadkvx(filnam); is8bit = 1; }
else if (!Bstrcasecmp(&filnam[i],".kv6")) { ret = loadkv6(filnam); is8bit = 0; }
//else if (!Bstrcasecmp(&filnam[i],".vxl")) { ret = loadvxl(filnam); is8bit = 0; }
else return(0);
if (ret >= 0) vm = vox2poly(); else vm = 0;
if (vm)
{
vm->mdnum = 1; //VOXel model id
vm->scale = vm->bscale = 1.0;
vm->xsiz = xsiz; vm->ysiz = ysiz; vm->zsiz = zsiz;
vm->xpiv = xpiv; vm->ypiv = ypiv; vm->zpiv = zpiv;
vm->is8bit = is8bit;
vm->texid = (uint32_t *)Bcalloc(MAXPALOOKUPS,sizeof(uint32_t));
if (!vm->texid) { voxfree(vm); vm = 0; }
}
if (shcntmal) { Bfree(shcntmal); shcntmal = 0; }
if (vbit) { Bfree(vbit); vbit = 0; }
if (vcol) { Bfree(vcol); vcol = 0; vnum = 0; vmax = 0; }
if (vcolhashead) { Bfree(vcolhashead); vcolhashead = 0; }
return(vm);
}
//Draw voxel model as perfect cubes
int32_t voxdraw(voxmodel_t *m, const spritetype *tspr)
{
point3d fp, m0, a0;
int32_t i, j, fi, xx, yy, zz;
float ru, rv, phack[2], clut[6] = {1,1,1,1,1,1}; //1.02,1.02,0.94,1.06,0.98,0.98};
float f, g, k0, k1, k2, k3, k4, k5, k6, k7, mat[16], omat[16], pc[4];
vert_t *vptr;
if ((intptr_t)m == (intptr_t)(-1)) // hackhackhack
return 0;
if ((tspr->cstat&48)==32) return 0;
//updateanimation((md2model *)m,tspr);
m0.x = m->scale;
m0.y = m->scale;
m0.z = m->scale;
a0.x = a0.y = 0; a0.z = ((globalorientation&8)?-m->zadd:m->zadd)*m->scale;
//if (globalorientation&8) //y-flipping
//{
// m0.z = -m0.z; a0.z = -a0.z;
// //Add height of 1st frame (use same frame to prevent animation bounce)
// a0.z += m->zsiz*m->scale;
//}
//if (globalorientation&4) { m0.y = -m0.y; a0.y = -a0.y; } //x-flipping
f = ((float)tspr->xrepeat)*(256.0/320.0)/64.0*m->bscale;
if ((sprite[tspr->owner].cstat&48)==16)
f *= 1.25f;
m0.x *= f; a0.x *= f; f = -f;
m0.y *= f; a0.y *= f;
f = ((float)tspr->yrepeat)/64.0*m->bscale;
m0.z *= f; a0.z *= f;
k0 = (float)tspr->z;
if (globalorientation&128) k0 += (float)((tilesizy[tspr->picnum]*tspr->yrepeat)<<1);
f = (65536.0*512.0)/((float)xdimen*viewingrange);
g = 32.0/((float)xdimen*gxyaspect);
m0.y *= f; a0.y = (((float)(tspr->x-globalposx))/ 1024.0 + a0.y)*f;
m0.x *=-f; a0.x = (((float)(tspr->y-globalposy))/ -1024.0 + a0.x)*-f;
m0.z *= g; a0.z = (((float)(k0 -globalposz))/-16384.0 + a0.z)*g;
k0 = ((float)(tspr->x-globalposx))*f/1024.0;
k1 = ((float)(tspr->y-globalposy))*f/1024.0;
f = gcosang2*gshang;
g = gsinang2*gshang;
k4 = (float)sintable[(tspr->ang+spriteext[tspr->owner].angoff+1024)&2047] / 16384.0;
k5 = (float)sintable[(tspr->ang+spriteext[tspr->owner].angoff+ 512)&2047] / 16384.0;
k2 = k0*(1-k4)+k1*k5;
k3 = k1*(1-k4)-k0*k5;
k6 = f*gstang - gsinang*gctang; k7 = g*gstang + gcosang*gctang;
mat[0] = k4*k6 + k5*k7; mat[4] = gchang*gstang; mat[ 8] = k4*k7 - k5*k6; mat[12] = k2*k6 + k3*k7;
k6 = f*gctang + gsinang*gstang; k7 = g*gctang - gcosang*gstang;
mat[1] = k4*k6 + k5*k7; mat[5] = gchang*gctang; mat[ 9] = k4*k7 - k5*k6; mat[13] = k2*k6 + k3*k7;
k6 = gcosang2*gchang; k7 = gsinang2*gchang;
mat[2] = k4*k6 + k5*k7; mat[6] =-gshang; mat[10] = k4*k7 - k5*k6; mat[14] = k2*k6 + k3*k7;
mat[12] += a0.y*mat[0] + a0.z*mat[4] + a0.x*mat[ 8];
mat[13] += a0.y*mat[1] + a0.z*mat[5] + a0.x*mat[ 9];
mat[14] += a0.y*mat[2] + a0.z*mat[6] + a0.x*mat[10];
//Mirrors
if (grhalfxdown10x < 0) { mat[0] = -mat[0]; mat[4] = -mat[4]; mat[8] = -mat[8]; mat[12] = -mat[12]; }
//------------
//bit 10 is an ugly hack in game.c\animatesprites telling MD2SPRITE
//to use Z-buffer hacks to hide overdraw problems with the shadows
if (tspr->cstat&1024)
{
bglDepthFunc(GL_LESS); //NEVER,LESS,(,L)EQUAL,GREATER,(NOT,G)EQUAL,ALWAYS
bglDepthRange(0.0,0.9999);
}
bglPushAttrib(GL_POLYGON_BIT);
if ((grhalfxdown10x >= 0) /*^ ((globalorientation&8) != 0) ^ ((globalorientation&4) != 0)*/) bglFrontFace(GL_CW); else bglFrontFace(GL_CCW);
bglEnable(GL_CULL_FACE);
bglCullFace(GL_BACK);
bglEnable(GL_TEXTURE_2D);
pc[0] = pc[1] = pc[2] = ((float)(numshades-min(max((globalshade * shadescale)+m->shadeoff,0),numshades)))/((float)numshades);
pc[0] *= (float)hictinting[globalpal].r / 255.0;
pc[1] *= (float)hictinting[globalpal].g / 255.0;
pc[2] *= (float)hictinting[globalpal].b / 255.0;
if (tspr->cstat&2) { if (!(tspr->cstat&512)) pc[3] = 0.66f; else pc[3] = 0.33f; }
else pc[3] = 1.0;
if (tspr->cstat&2) bglEnable(GL_BLEND); //else bglDisable(GL_BLEND);
//------------
//transform to Build coords
Bmemcpy(omat,mat,sizeof(omat));
f = 1.f/64.f;
g = m0.x*f; mat[0] *= g; mat[1] *= g; mat[2] *= g;
g = m0.y*f; mat[4] = omat[8]*g; mat[5] = omat[9]*g; mat[6] = omat[10]*g;
g =-m0.z*f; mat[8] = omat[4]*g; mat[9] = omat[5]*g; mat[10] = omat[6]*g;
mat[12] -= (m->xpiv*mat[0] + m->ypiv*mat[4] + (m->zpiv+m->zsiz*.5)*mat[ 8]);
mat[13] -= (m->xpiv*mat[1] + m->ypiv*mat[5] + (m->zpiv+m->zsiz*.5)*mat[ 9]);
mat[14] -= (m->xpiv*mat[2] + m->ypiv*mat[6] + (m->zpiv+m->zsiz*.5)*mat[10]);
bglMatrixMode(GL_MODELVIEW); //Let OpenGL (and perhaps hardware :) handle the matrix rotation
mat[3] = mat[7] = mat[11] = 0.f; mat[15] = 1.f;
bglLoadMatrixf(mat);
ru = 1.f/((float)m->mytexx);
rv = 1.f/((float)m->mytexy);
#if (VOXBORDWIDTH == 0)
uhack[0] = ru*.125; uhack[1] = -uhack[0];
vhack[0] = rv*.125; vhack[1] = -vhack[0];
#endif
phack[0] = 0; phack[1] = 1.f/256.f;
if (!m->texid[globalpal]) m->texid[globalpal] = gloadtex(m->mytex,m->mytexx,m->mytexy,m->is8bit,globalpal);
else bglBindTexture(GL_TEXTURE_2D,m->texid[globalpal]);
bglBegin(GL_QUADS);
for (i=0,fi=0; i<m->qcnt; i++)
{
if (i == m->qfacind[fi]) { f = clut[fi++]; bglColor4f(pc[0]*f,pc[1]*f,pc[2]*f,pc[3]*f); }
vptr = &m->quad[i].v[0];
xx = vptr[0].x+vptr[2].x;
yy = vptr[0].y+vptr[2].y;
zz = vptr[0].z+vptr[2].z;
for (j=0; j<4; j++)
{
#if (VOXBORDWIDTH == 0)
bglTexCoord2f(((float)vptr[j].u)*ru+uhack[vptr[j].u!=vptr[0].u],
((float)vptr[j].v)*rv+vhack[vptr[j].v!=vptr[0].v]);
#else
bglTexCoord2f(((float)vptr[j].u)*ru,((float)vptr[j].v)*rv);
#endif
fp.x = ((float)vptr[j].x) - phack[xx>vptr[j].x*2] + phack[xx<vptr[j].x*2];
fp.y = ((float)vptr[j].y) - phack[yy>vptr[j].y*2] + phack[yy<vptr[j].y*2];
fp.z = ((float)vptr[j].z) - phack[zz>vptr[j].z*2] + phack[zz<vptr[j].z*2];
bglVertex3fv((float *)&fp);
}
}
bglEnd();
//------------
bglDisable(GL_CULL_FACE);
bglPopAttrib();
if (tspr->cstat&1024)
{
bglDepthFunc(GL_LESS); //NEVER,LESS,(,L)EQUAL,GREATER,(NOT,G)EQUAL,ALWAYS
bglDepthRange(0.0,0.99999);
}
bglLoadIdentity();
return 1;
}
//---------------------------------------- VOX LIBRARY ENDS ----------------------------------------
//--------------------------------------- MD LIBRARY BEGINS ---------------------------------------
mdmodel_t *mdload(const char *filnam)
{
mdmodel_t *vm;
int32_t fil;
int32_t i;
vm = (mdmodel_t *)voxload(filnam); if (vm) return(vm);
fil = kopen4load((char *)filnam,0); if (fil < 0) return(0);
kread(fil,&i,4); klseek(fil,0,SEEK_SET);
switch (B_LITTLE32(i))
{
case 0x32504449:
// initprintf("Warning: model \"%s\" is version IDP2; wanted version IDP3\n",filnam);
vm = (mdmodel_t *)md2load(fil,filnam);
break; //IDP2
case 0x33504449:
vm = (mdmodel_t *)md3load(fil);
break; //IDP3
default:
vm = (mdmodel_t *)0; break;
}
kclose(fil);
if (vm)
{
md3model_t *vm3 = (md3model_t *)vm;
// smuggle the file name into the model struct.
// head.nam is unused as far as I can tell
Bstrncpyz(vm3->head.nam, filnam, sizeof(vm3->head.nam));
md3postload_common(vm3);
#ifdef POLYMER
if (glrendmode!=4)
if (!md3postload_polymer_check(vm3))
{
mdfree(vm);
vm = (mdmodel_t *)0;
}
#endif
}
return(vm);
}
int32_t mddraw(const spritetype *tspr)
{
mdmodel_t *vm;
int32_t i;
if (r_vbos && (r_vbocount > allocvbos))
{
indexvbos = Brealloc(indexvbos, sizeof(GLuint) * r_vbocount);
vertvbos = Brealloc(vertvbos, sizeof(GLuint) * r_vbocount);
bglGenBuffersARB(r_vbocount - allocvbos, &(indexvbos[allocvbos]));
bglGenBuffersARB(r_vbocount - allocvbos, &(vertvbos[allocvbos]));
i = allocvbos;
while (i < r_vbocount)
{
bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, indexvbos[i]);
bglBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, maxmodeltris * 3 * sizeof(uint16_t), NULL, GL_STREAM_DRAW_ARB);
bglBindBufferARB(GL_ARRAY_BUFFER_ARB, vertvbos[i]);
bglBufferDataARB(GL_ARRAY_BUFFER_ARB, maxmodelverts * sizeof(point3d), NULL, GL_STREAM_DRAW_ARB);
i++;
}
bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB,0);
bglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
allocvbos = r_vbocount;
}
if (maxmodelverts > allocmodelverts)
{
point3d *vl = (point3d *)Brealloc(vertlist,sizeof(point3d)*maxmodelverts);
if (!vl) { OSD_Printf("ERROR: Not enough memory to allocate %d vertices!\n",maxmodelverts); return 0; }
vertlist = vl;
allocmodelverts = maxmodelverts;
}
vm = models[tile2model[Ptile2tile(tspr->picnum,(tspr->owner >= MAXSPRITES) ? tspr->pal : sprite[tspr->owner].pal)].modelid];
if (vm->mdnum == 1) { return voxdraw((voxmodel_t *)vm,tspr); }
if (vm->mdnum == 3) { return md3draw((md3model_t *)vm,tspr); }
return 0;
}
void mdfree(mdmodel_t *vm)
{
if (vm->mdnum == 1) { voxfree((voxmodel_t *)vm); return; }
if (vm->mdnum == 2 || vm->mdnum == 3) { md3free((md3model_t *)vm); return; }
}
#endif
//---------------------------------------- MD LIBRARY ENDS ----------------------------------------
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