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raze-gles/polymer/build/src/mdsprite.c
terminx a289704d10 Crappy support for pausing model animations 
git-svn-id: https://svn.eduke32.com/eduke32@334 1a8010ca-5511-0410-912e-c29ae57300e0
2006-11-15 01:14:27 +00:00

2512 lines
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//------------------------------------- MD2/MD3 LIBRARY BEGINS -------------------------------------
#ifdef __POWERPC__
#define SHIFTMOD32(a) ((a)&31)
#else
#define SHIFTMOD32(a) (a)
#endif
typedef struct
{
long mdnum; //VOX=1, MD2=2, MD3=3. NOTE: must be first in structure!
long shadeoff;
float scale, bscale, zadd;
GLuint *texid; // skins
} mdmodel;
typedef struct _mdanim_t
{
int startframe, endframe;
int fpssc, flags;
struct _mdanim_t *next;
} mdanim_t;
#define MDANIM_LOOP 0
#define MDANIM_ONESHOT 1
typedef struct _mdskinmap_t
{
unsigned char palette, filler[3]; // Build palette number
int skinnum, surfnum; // Skin identifier, surface number
char *fn; // Skin filename
GLuint texid[HICEFFECTMASK+1]; // OpenGL texture numbers for effect variations
struct _mdskinmap_t *next;
} mdskinmap_t;
//This MD2 code is based on the source code from David Henry (tfc_duke(at)hotmail.com)
// Was at http://tfc.duke.free.fr/us/tutorials/models/md2.htm
// Available from http://web.archive.org/web/20030816010242/http://tfc.duke.free.fr/us/tutorials/models/md2.htm
// Now at http://tfc.duke.free.fr/coding/md2.html (in French)
//He probably wouldn't recognize it if he looked at it though :)
typedef struct { float x, y, z; } point3d;
typedef struct
{
long id, vers, skinxsiz, skinysiz, framebytes; //id:"IPD2", vers:8
long numskins, numverts, numuv, numtris, numglcmds, numframes;
long ofsskins, ofsuv, ofstris, ofsframes, ofsglcmds, ofseof; //ofsskins: skin names (64 bytes each)
} md2head_t;
typedef struct { unsigned char v[3], ni; } md2vert_t; //compressed vertex coords (x,y,z)
typedef struct
{
point3d mul, add; //scale&translation vector
char name[16]; //frame name
md2vert_t verts[1]; //first vertex of this frame
} md2frame_t;
typedef struct { short u, v; } md2uv_t;
typedef struct
{
unsigned short v[3];
unsigned short u[3];
} md2tri_t;
typedef struct
{
//WARNING: This top block is a union between md2model&md3model: Make sure it matches!
long mdnum; //VOX=1, MD2=2, MD3=3. NOTE: must be first in structure!
long shadeoff;
float scale, bscale, zadd;
GLuint *texid; // texture ids for base skin if no mappings defined
long numframes, cframe, nframe, fpssc, usesalpha;
float oldtime, curtime, interpol;
mdanim_t *animations;
mdskinmap_t *skinmap;
long numskins, skinloaded; // set to 1+numofskin when a skin is loaded and the tex coords are modified,
//MD2 specific stuff:
long numverts, numglcmds, framebytes, *glcmds;
char *frames;
char *basepath; // pointer to string of base path
char *skinfn; // pointer to first of numskins 64-char strings
md2uv_t *uv;
md2tri_t* tris;
} md2model;
typedef struct { char nam[64]; long i; } md3shader_t; //ascz path of shader, shader index
typedef struct { long i[3]; } md3tri_t; //indices of tri
typedef struct { float u, v; } md3uv_t;
typedef struct { signed short x, y, z; unsigned char nlat, nlng; } md3xyzn_t; //xyz are [10:6] ints
typedef struct
{
point3d min, max, cen; //bounding box&origin
float r; //radius of bounding sphere
char nam[16]; //ascz frame name
} md3frame_t;
typedef struct
{
char nam[64]; //ascz tag name
point3d p, x, y, z; //tag object pos&orient
} md3tag_t;
typedef struct
{
long id; //IDP3(0x33806873)
char nam[64]; //ascz surface name
long flags; //?
long numframes, numshaders, numverts, numtris; //numframes same as md3head,max shade=~256,vert=~4096,tri=~8192
md3tri_t *tris; //file format: rel offs from md3surf
md3shader_t *shaders; //file format: rel offs from md3surf
md3uv_t *uv; //file format: rel offs from md3surf
md3xyzn_t *xyzn; //file format: rel offs from md3surf
long ofsend;
} md3surf_t;
typedef struct
{
long id, vers; //id=IDP3(0x33806873), vers=15
char nam[64]; //ascz path in PK3
long flags; //?
long numframes, numtags, numsurfs, numskins; //max=~1024,~16,~32,numskins=artifact of MD2; use shader field instead
md3frame_t *frames; //file format: abs offs
md3tag_t *tags; //file format: abs offs
md3surf_t *surfs; //file format: abs offs
long eof; //file format: abs offs
} md3head_t;
typedef struct
{
//WARNING: This top block is a union between md2model&md3model: Make sure it matches!
long mdnum; //VOX=1, MD2=2, MD3=3. NOTE: must be first in structure!
long shadeoff;
float scale, bscale, zadd;
unsigned int *texid; // texture ids for base skin if no mappings defined
long numframes, cframe, nframe, fpssc, usesalpha;
float oldtime, curtime, interpol;
mdanim_t *animations;
mdskinmap_t *skinmap;
long numskins, skinloaded; // set to 1+numofskin when a skin is loaded and the tex coords are modified,
//MD3 specific
md3head_t head;
point3d *muladdframes;
} md3model;
#define VOXBORDWIDTH 1 //use 0 to save memory, but has texture artifacts; 1 looks better...
#define VOXUSECHAR 0
#if (VOXUSECHAR != 0)
typedef struct { unsigned char x, y, z, u, v; } vert_t;
#else
typedef struct { unsigned short x, y, z, u, v; } vert_t;
#endif
typedef struct { vert_t v[4]; } voxrect_t;
typedef struct
{
//WARNING: This top block is a union of md2model,md3model,voxmodel: Make sure it matches!
long mdnum; //VOX=1, MD2=2, MD3=3. NOTE: must be first in structure!
long shadeoff;
float scale, bscale, zadd;
unsigned int *texid; // skins for palettes
//VOX specific stuff:
voxrect_t *quad; long qcnt, qfacind[7];
long *mytex, mytexx, mytexy;
long xsiz, ysiz, zsiz;
float xpiv, ypiv, zpiv;
long is8bit;
} voxmodel;
static voxmodel *voxmodels[MAXVOXELS];
typedef struct
{ // maps build tiles to particular animation frames of a model
int modelid;
int skinnum;
int framenum; // calculate the number from the name when declaring
} tile2model_t;
static tile2model_t tile2model[MAXTILES];
//Move this to appropriate place!
typedef struct { float xadd, yadd, zadd; short angadd, flags; } hudtyp;
hudtyp hudmem[2][MAXTILES]; //~320KB ... ok for now ... could replace with dynamic alloc
static char mdinited=0;
#define MODELALLOCGROUP 256
static long nummodelsalloced = 0, nextmodelid = 0;
static mdmodel **models = NULL;
static long maxmodelverts = 0, allocmodelverts = 0;
static point3d *vertlist = NULL; //temp array to store interpolated vertices for drawing
mdmodel *mdload (const char *);
int mddraw (spritetype *);
void mdfree (mdmodel *);
extern int timerticspersec;
static void freeallmodels ()
{
int i;
if (models)
{
for (i=0;i<nextmodelid;i++) mdfree(models[i]);
free(models); models = NULL;
nummodelsalloced = 0;
nextmodelid = 0;
}
memset(tile2model,-1,sizeof(tile2model));
if (vertlist)
{
free(vertlist);
vertlist = NULL;
allocmodelverts = maxmodelverts = 0;
}
}
static void clearskins ()
{
mdmodel *m;
int i, j;
for (i=0;i<nextmodelid;i++)
{
m = models[i];
if (m->mdnum == 1) {
voxmodel *v = (voxmodel*)m;
for (j=0;j<MAXPALOOKUPS;j++) {
if (v->texid[j]) bglDeleteTextures(1,(GLuint*)&v->texid[j]);
v->texid[j] = 0;
}
} else if (m->mdnum == 2 || m->mdnum == 3) {
md2model *m2 = (md2model*)m;
mdskinmap_t *sk;
for (j=0;j<m2->numskins*(HICEFFECTMASK+1);j++)
{
if (m2->texid[j]) bglDeleteTextures(1,(GLuint*)&m2->texid[j]);
m2->texid[j] = 0;
}
for (sk=m2->skinmap;sk;sk=sk->next)
for (j=0;j<(HICEFFECTMASK+1);j++)
{
if (sk->texid[j]) bglDeleteTextures(1,(GLuint*)&sk->texid[j]);
sk->texid[j] = 0;
}
}
}
for (i=0;i<MAXVOXELS;i++)
{
voxmodel *v = (voxmodel*)voxmodels[i]; if (!v) continue;
for (j=0;j<MAXPALOOKUPS;j++) {
if (v->texid[j]) bglDeleteTextures(1,(GLuint*)&v->texid[j]);
v->texid[j] = 0;
}
}
}
static void mdinit ()
{
memset(hudmem,0,sizeof(hudmem));
freeallmodels();
mdinited = 1;
}
int md_loadmodel (const char *fn)
{
mdmodel *vm, **ml;
if (!mdinited) mdinit();
if (nextmodelid >= nummodelsalloced)
{
ml = (mdmodel **)realloc(models,(nummodelsalloced+MODELALLOCGROUP)*4); if (!ml) return(-1);
models = ml; nummodelsalloced += MODELALLOCGROUP;
}
vm = mdload(fn); if (!vm) return(-1);
models[nextmodelid++] = vm;
return(nextmodelid-1);
}
int md_setmisc (int modelid, float scale, int shadeoff, float zadd)
{
mdmodel *m;
if (!mdinited) mdinit();
if ((unsigned long)modelid >= (unsigned long)nextmodelid) return -1;
m = models[modelid];
m->bscale = scale;
m->shadeoff = shadeoff;
m->zadd = zadd;
return 0;
}
int md_tilehasmodel (int tilenume)
{
if (!mdinited) return -1;
return tile2model[tilenume].modelid;
}
static long framename2index (mdmodel *vm, const char *nam)
{
int i = 0;
switch (vm->mdnum)
{
case 2:
{
md2model *m = (md2model *)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 *m = (md3model *)vm;
for (i=0;i<m->numframes;i++)
if (!Bstrcmp(m->head.frames[i].nam,nam)) break;
}
break;
}
return(i);
}
int md_defineframe (int modelid, const char *framename, int tilenume, int skinnum)
{
void *vm;
md2model *m;
int i;
if (!mdinited) mdinit();
if ((unsigned long)modelid >= (unsigned long)nextmodelid) return(-1);
if ((unsigned long)tilenume >= (unsigned long)MAXTILES) return(-2);
if (!framename) return(-3);
m = (md2model *)models[modelid];
if (m->mdnum == 1) {
tile2model[tilenume].modelid = modelid;
tile2model[tilenume].framenum = tile2model[tilenume].skinnum = 0;
return 0;
}
i = framename2index((mdmodel*)m,framename);
if (i == m->numframes) return(-3); // frame name invalid
tile2model[tilenume].modelid = modelid;
tile2model[tilenume].framenum = i;
tile2model[tilenume].skinnum = skinnum;
return 0;
}
int md_defineanimation (int modelid, const char *framestart, const char *frameend, int fpssc, int flags)
{
md2model *m;
mdanim_t ma, *map;
int i;
if (!mdinited) mdinit();
if ((unsigned long)modelid >= (unsigned long)nextmodelid) return(-1);
memset(&ma, 0, sizeof(ma));
m = (md2model *)models[modelid];
if (m->mdnum < 2) return 0;
//find index of start frame
i = framename2index((mdmodel*)m,framestart);
if (i == m->numframes) return -2;
ma.startframe = i;
//find index of finish frame which must trail start frame
i = framename2index((mdmodel*)m,frameend);
if (i == m->numframes) return -3;
ma.endframe = i;
ma.fpssc = fpssc;
ma.flags = flags;
map = (mdanim_t*)calloc(1,sizeof(mdanim_t));
if (!map) return(-4);
memcpy(map, &ma, sizeof(ma));
map->next = m->animations;
m->animations = map;
return(0);
}
int md_defineskin (int modelid, const char *skinfn, int palnum, int skinnum, int surfnum)
{
mdskinmap_t *sk, *skl;
md2model *m;
if (!mdinited) mdinit();
if ((unsigned long)modelid >= (unsigned long)nextmodelid) return -1;
if (!skinfn) return -2;
if ((unsigned)palnum >= (unsigned)MAXPALOOKUPS) return -3;
m = (md2model *)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 == (unsigned char)palnum && skinnum == sk->skinnum && surfnum == sk->surfnum) break;
if (!sk) {
sk = (mdskinmap_t *)calloc(1,sizeof(mdskinmap_t));
if (!sk) return -4;
if (!skl) m->skinmap = sk;
else skl->next = sk;
} else if (sk->fn) free(sk->fn);
sk->palette = (unsigned char)palnum;
sk->skinnum = skinnum;
sk->surfnum = surfnum;
sk->fn = (char *)malloc(strlen(skinfn)+1);
if (!sk->fn) return(-4);
strcpy(sk->fn, skinfn);
return 0;
}
int md_definehud (int modelid, int tilex, double xadd, double yadd, double zadd, double angadd, int flags)
{
if (!mdinited) mdinit();
if ((unsigned long)modelid >= (unsigned long)nextmodelid) return -1;
if ((unsigned long)tilex >= (unsigned long)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 = ((short)angadd)|2048;
hudmem[(flags>>2)&1][tilex].flags = (short)flags;
return 0;
}
int md_undefinetile(int tile)
{
if (!mdinited) return 0;
if ((unsigned)tile >= (unsigned)MAXTILES) return -1;
tile2model[tile].modelid = -1;
return 0;
}
int md_undefinemodel(int modelid)
{
int i;
if (!mdinited) return 0;
if ((unsigned long)modelid >= (unsigned long)nextmodelid) return -1;
for (i=MAXTILES-1; i>=0; i--)
if (tile2model[i].modelid == modelid)
tile2model[i].modelid = -1;
if (models) {
mdfree(models[modelid]);
models[modelid] = NULL;
}
return 0;
}
static int daskinloader (long filh, long *fptr, long *bpl, long *sizx, long *sizy, long *osizx, long *osizy, char *hasalpha, char effect)
{
long picfillen, j,y,x;
char *picfil,*cptr,al=255;
coltype *pic;
long xsiz, ysiz, tsizx, tsizy;
picfillen = kfilelength(filh);
picfil = (char *)malloc(picfillen); 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) { free(picfil); return -1; }
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 *)malloc(xsiz*ysiz*sizeof(coltype));
if (!pic) { free(picfil); return -1; }
memset(pic,0,xsiz*ysiz*sizeof(coltype));
if (kprender(picfil,picfillen,(long)pic,xsiz*sizeof(coltype),xsiz,ysiz,0,0))
{ free(picfil); free(pic); return -1; }
free(picfil);
cptr = &britable[gammabrightness ? 0 : curbrightness][0];
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;
}
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 = (long)pic;
*hasalpha = (al != 255);
return 0;
}
// JONOF'S COMPRESSED TEXTURE CACHE STUFF ---------------------------------------------------
long mdloadskin_trytexcache(char *fn, long len, char effect, texcacheheader *head)
{
long fil, fp;
char cachefn[BMAX_PATH], *cp;
unsigned char mdsum[16];
if (!glinfo.texcompr || !glusetexcompr || !glusetexcache) return -1;
if (!bglCompressedTexImage2DARB || !bglGetCompressedTexImageARB) {
// lacking the necessary extensions to do this
initprintf("Warning: the GL driver lacks necessary functions to use caching\n");
glusetexcache = 0;
return -1;
}
md4once((unsigned char *)fn, strlen(fn), mdsum);
for (cp = cachefn, fp = 0; (*cp = TEXCACHEDIR[fp]); cp++,fp++);
*(cp++) = '/';
for (fp = 0; fp < 16; phex(mdsum[fp++], cp), cp+=2);
sprintf(cp, "-%lx-0%x", len, effect);
fil = kopen4load(cachefn, 0);
if (fil < 0) return -1;
/* initprintf("Loading cached skin: %s\n", cachefn); */
if (kread(fil, head, sizeof(texcacheheader)) < (int)sizeof(texcacheheader)) goto failure;
if (memcmp(head->magic, "Polymost", 8)) goto failure;
head->xdim = B_LITTLE32(head->xdim);
head->ydim = B_LITTLE32(head->ydim);
head->flags = B_LITTLE32(head->flags);
if (!glinfo.texnpot && (head->flags & 1)) goto failure;
return fil;
failure:
kclose(fil);
return -1;
}
static long mdloadskin_cached(long fil, texcacheheader *head, long *doalloc, GLuint *glpic, long *xsiz, long *ysiz)
{
int level, r;
texcachepicture pict;
void *pic = NULL, *packbuf = NULL;
void *midbuf = NULL;
long alloclen=0;
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);
bglGetError();
// load the mipmaps
for (level = 0; level==0 || (pict.xdim > 1 || pict.ydim > 1); level++) {
r = kread(fil, &pict, sizeof(texcachepicture));
if (r < (int)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 = realloc(pic, pict.size);
if (!picc) goto failure; else pic = picc;
alloclen = pict.size;
picc = realloc(packbuf, alloclen+16);
if (!picc) goto failure; else packbuf = picc;
picc = realloc(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) free(midbuf);
if (pic) free(pic);
if (packbuf) free(packbuf);
return 0;
failure:
if (midbuf) free(midbuf);
if (pic) free(pic);
if (packbuf) free(packbuf);
return -1;
}
// --------------------------------------------------- JONOF'S COMPRESSED TEXTURE CACHE STUFF
//Note: even though it says md2model, it works for both md2model&md3model
static long mdloadskin (md2model *m, int number, int pal, int surf)
{
long i,j, fptr=0, bpl, xsiz, ysiz, osizx, osizy, texfmt = GL_RGBA, intexfmt = GL_RGBA;
char *skinfile, hasalpha, fn[BMAX_PATH+65];
GLuint *texidx = NULL;
mdskinmap_t *sk, *skzero = NULL;
long doalloc = 1, filh;
long cachefil = -1, picfillen;
texcacheheader cachead;
if (m->mdnum == 2) surf = 0;
if ((unsigned)pal >= (unsigned)MAXPALOOKUPS) return 0;
i = -1;
for (sk = m->skinmap; sk; sk = sk->next)
{
if ((int)sk->palette == pal && sk->skinnum == number && sk->surfnum == surf)
{
skinfile = sk->fn;
texidx = &sk->texid[ hictinting[pal].f ];
strcpy(fn,skinfile);
//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 (((int)sk->palette == 0) && (sk->skinnum == number) && (sk->surfnum == surf) && (i < 5)) { i = 5; skzero = sk; }
else if (((int)sk->palette == pal) && (sk->skinnum == 0) && (sk->surfnum == surf) && (i < 4)) { i = 4; skzero = sk; }
else if (((int)sk->palette == 0) && (sk->skinnum == 0) && (sk->surfnum == surf) && (i < 3)) { i = 3; skzero = sk; }
else if (((int)sk->palette == 0) && (sk->skinnum == number) && (i < 2)) { i = 2; skzero = sk; }
else if (((int)sk->palette == pal) && (sk->skinnum == 0) && (i < 1)) { i = 1; skzero = sk; }
else if (((int)sk->palette == 0) && (sk->skinnum == 0) && (i < 0)) { i = 0; skzero = sk; }
}
if (!sk)
{
if (skzero)
{
skinfile = skzero->fn;
texidx = &skzero->texid[ hictinting[pal].f ];
strcpy(fn,skinfile);
//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) + hictinting[pal].f ];
strcpy(fn,m->basepath); strcat(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;
*texidx = 0;
if ((filh = kopen4load(fn, 0)) < 0) {
initprintf("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
cachefil = mdloadskin_trytexcache(fn, picfillen, hictinting[pal].f, &cachead);
if (cachefil >= 0 && !mdloadskin_cached(cachefil, &cachead, &doalloc, texidx, &xsiz, &ysiz)) {
osizx = cachead.xdim;
osizy = cachead.ydim;
m->usesalpha = hasalpha = (cachead.flags & 2) ? 1 : 0;
kclose(cachefil);
//kclose(filh); // FIXME: uncomment when cache1d.c is fixed
// cachefil >= 0, so it won't be rewritten
} else {
if (cachefil >= 0) kclose(cachefil);
cachefil = -1; // the compressed version will be saved to disk
if ((filh = kopen4load(fn, 0)) < 0) return -1;
if (daskinloader(filh,&fptr,&bpl,&xsiz,&ysiz,&osizx,&osizy,&hasalpha,hictinting[pal].f))
{
kclose(filh);
initprintf("Failed loading skin file \"%s\"\n", fn);
skinfile[0] = 0;
return(0);
} else kclose(filh);
m->usesalpha = hasalpha;
if ((doalloc&3)==1) bglGenTextures(1,(GLuint*)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);
free((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)
{
long *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 *m3 = (md3model *)m;
md3surf_t *s;
long 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)
bglTexParameterf(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 (cachefil < 0) {
// save off the compressed version
cachead.xdim = osizx;
cachead.ydim = osizy;
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);
writexcache(fn, picfillen, 0, hictinting[pal].f, &cachead);
}
return(*texidx);
}
char mdpause;
//Note: even though it says md2model, it works for both md2model&md3model
static void updateanimation (md2model *m, spritetype *tspr)
{
mdanim_t *anim;
long i, j;
if (mdpause)
{
// spriteext[tspr->owner].mdanimtims = mdtims;
m->interpol = 0;
m->nframe = m->cframe;
return;
}
m->cframe = m->nframe = tile2model[tspr->picnum].framenum;
for (anim = m->animations;
anim && anim->startframe != m->cframe;
anim = anim->next) ;
if (!anim) { m->interpol = 0; return; }
if (((long)spriteext[tspr->owner].mdanimcur) != anim->startframe ||
(spriteext[tspr->owner].flags & SPREXT_NOMDANIM))
{
spriteext[tspr->owner].mdanimcur = (short)anim->startframe;
spriteext[tspr->owner].mdanimtims = mdtims;
m->cframe = m->nframe = anim->startframe;
m->interpol = 0;
return;
}
i = (mdtims-spriteext[tspr->owner].mdanimtims)*((anim->fpssc*timerticspersec)/120);
j = ((anim->endframe+1-anim->startframe)<<16);
//Just in case you play the game for a VERY long time...
if (i < 0) { i = 0; spriteext[tspr->owner].mdanimtims = mdtims; }
//compare with j*2 instead of j to ensure i stays > j-65536 for MDANIM_ONESHOT
if ((i >= j+j) && (anim->fpssc)) //Keep mdanimtims close to mdtims to avoid the use of MOD
spriteext[tspr->owner].mdanimtims += j/((anim->fpssc*timerticspersec)/120);
if (anim->flags&MDANIM_ONESHOT)
{ if (i > j-65536) i = j-65536; }
else { if (i >= j) { i -= j; if (i >= j) i %= j; } }
m->cframe = (i>>16)+anim->startframe;
m->nframe = m->cframe+1; if (m->nframe > anim->endframe) m->nframe = anim->startframe;
m->interpol = ((float)(i&65535))/65536.f;
}
//--------------------------------------- MD2 LIBRARY BEGINS ---------------------------------------
static long long memoryusage = 0;
static md2model *md2load (int fil, const char *filnam)
{
md2model *m;
md3model *m3;
md3surf_t *s;
md2frame_t *f;
md2head_t head;
char *buf, st[BMAX_PATH];
long i, j, k;
m = (md2model *)calloc(1,sizeof(md2model)); if (!m) return(0);
m->mdnum = 2; m->scale = .01;
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)) { free(m); return(0); } //"IDP2"
m->numskins = head.numskins;
m->numframes = head.numframes;
m->numverts = head.numverts;
m->numglcmds = head.numglcmds;
m->framebytes = head.framebytes;
m->frames = (char *)calloc(m->numframes,m->framebytes); if (!m->frames) { free(m); return(0); }
m->glcmds = (long *)calloc(m->numglcmds,sizeof(long)); if (!m->glcmds) { free(m->frames); free(m); return(0); }
m->tris = (md2tri_t *)calloc(head.numtris, sizeof(md2tri_t)); if (!m->tris) { free(m->glcmds); free(m->frames); free(m); return(0); }
m->uv = (md2uv_t *)calloc(head.numuv, sizeof(md2uv_t)); if (!m->uv) { free(m->tris); free(m->glcmds); free(m->frames); free(m); return(0); }
klseek(fil,head.ofsframes,SEEK_SET);
if (kread(fil,(char *)m->frames,m->numframes*m->framebytes) != m->numframes*m->framebytes)
{ free(m->uv); free(m->tris); free(m->glcmds); free(m->frames); free(m); return(0); }
klseek(fil,head.ofsglcmds,SEEK_SET);
if (kread(fil,(char *)m->glcmds,m->numglcmds*sizeof(long)) != (long)(m->numglcmds*sizeof(long)))
{ free(m->uv); free(m->tris); free(m->glcmds); free(m->frames); free(m); return(0); }
klseek(fil,head.ofstris,SEEK_SET);
if (kread(fil,(char *)m->tris,head.numtris*sizeof(md2tri_t)) != (long)(head.numtris*sizeof(md2tri_t)))
{ free(m->uv); free(m->tris); free(m->glcmds); free(m->frames); free(m); return(0); }
klseek(fil,head.ofsuv,SEEK_SET);
if (kread(fil,(char *)m->uv,head.numuv*sizeof(md2uv_t)) != (long)(head.numuv*sizeof(md2uv_t)))
{ free(m->uv); free(m->tris); free(m->glcmds); free(m->frames); free(m); return(0); }
#if B_BIG_ENDIAN != 0
{
char *f = (char *)m->frames;
long *l,j;
md2frame_t *fr;
for (i = m->numframes-1; i>=0; i--) {
fr = (md2frame_t *)f;
l = (long *)&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]);
}
}
#endif
strcpy(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 *)malloc(i+1); if (!m->basepath) { free(m->uv); free(m->tris); free(m->glcmds); free(m->frames); free(m); return(0); }
strcpy(m->basepath, st);
m->skinfn = (char *)calloc(m->numskins,64); if (!m->skinfn) { free(m->basepath); free(m->uv); free(m->tris); free(m->glcmds); free(m->frames); free(m); return(0); }
klseek(fil,head.ofsskins,SEEK_SET);
if (kread(fil,m->skinfn,64*m->numskins) != 64*m->numskins)
{ free(m->glcmds); free(m->frames); free(m); return(0); }
m->texid = (GLuint *)calloc(m->numskins, sizeof(GLuint) * (HICEFFECTMASK+1));
if (!m->texid) { free(m->skinfn); free(m->basepath); free(m->uv); free(m->tris); free(m->glcmds); free(m->frames); free(m); return(0); }
maxmodelverts = max(maxmodelverts, m->numverts);
//return(m);
// the MD2 is now loaded internally - let's begin the MD3 conversion process
//OSD_Printf("Beginning md3 conversion.\n");
m3 = (md3model *)calloc(1, sizeof(md3model)); if (!m3) { free(m->skinfn); free(m->basepath); free(m->uv); free(m->tris); free(m->glcmds); free(m->frames); free(m); return(0); }
m3->mdnum = 3; m3->texid = 0; m3->scale = m->scale;
m3->head.id = 0x33504449; m3->head.vers = 15;
m3->head.flags = 1337; 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 *)calloc(m3->head.numframes, sizeof(md3frame_t)); if (!m3->head.frames) { free(m3); free(m->skinfn); free(m->basepath); free(m->uv); free(m->tris); free(m->glcmds); free(m->frames); free(m); return(0); }
m3->muladdframes = (point3d *)calloc(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];
strcpy(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 *)calloc(1, sizeof(md3surf_t)); if (!m3->head.surfs) { free(m3->head.frames); free(m3); free(m->skinfn); free(m->basepath); free(m->uv); free(m->tris); free(m->glcmds); free(m->frames); free(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);
strcpy(s->nam, "Dummy surface from MD2");
s->shaders = NULL;
s->tris = (md3tri_t *)calloc(head.numtris, sizeof(md3tri_t)); if (!s->tris) { free(s); free(m3->head.frames); free(m3); free(m->skinfn); free(m->basepath); free(m->uv); free(m->tris); free(m->glcmds); free(m->frames); free(m); return(0); }
s->uv = (md3uv_t *)calloc(s->numverts, sizeof(md3uv_t)); if (!s->uv) { free(s->tris); free(s); free(m3->head.frames); free(m3); free(m->skinfn); free(m->basepath); free(m->uv); free(m->tris); free(m->glcmds); free(m->frames); free(m); return(0); }
s->xyzn = (md3xyzn_t *)calloc(s->numverts * m->numframes, sizeof(md3xyzn_t)); if (!s->xyzn) { free(s->uv); free(s->tris); free(s); free(m3->head.frames); free(m3); free(m->skinfn); free(m->basepath); free(m->uv); free(m->tris); free(m->glcmds); free(m->frames); free(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];
//s->xyzn[(k*s->numverts) + (i*3) + j].x = ((f->verts[m->tris[i].v[j]].v[0] * f->mul.x) + f->add.x);
//s->xyzn[(k*s->numverts) + (i*3) + j].y = ((f->verts[m->tris[i].v[j]].v[1] * f->mul.y) + f->add.y);
//s->xyzn[(k*s->numverts) + (i*3) + j].z = ((f->verts[m->tris[i].v[j]].v[2] * f->mul.z) + f->add.z);
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];
k++;
}
j++;
}
//OSD_Printf("End triangle.\n");
i++;
}
//OSD_Printf("Finished md3 conversion.\n");
{
mdskinmap_t *sk;
sk = (mdskinmap_t *)calloc(1,sizeof(mdskinmap_t));
sk->palette = 0;
sk->skinnum = 0;
sk->surfnum = 0;
sk->fn = (char *)malloc(strlen(m->basepath)+strlen(m->skinfn)+1);
strcpy(sk->fn, m->basepath);
strcat(sk->fn, m->skinfn);
m3->skinmap = sk;
}
// die MD2 ! DIE !
free(m->texid); free(m->skinfn); free(m->basepath); free(m->uv); free(m->tris); free(m->glcmds); free(m->frames); free(m);
return((md2model *)m3);
}
//---------------------------------------- MD2 LIBRARY ENDS ----------------------------------------
// DICHOTOMIC RECURSIVE SORTING - USED BY MD3DRAW - MAY PUT IT IN ITS OWN SOURCE FILE LATER
int partition(unsigned short *indexes, float *depths, int f, int l) {
int up,down,temp;
float tempf;
unsigned short tempus;
float piv = depths[f];
unsigned short 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(unsigned short *indexes, float *depths, int first, int last) {
int 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 *md3load (int fil)
{
char *buf, st[BMAX_PATH+2], bst[BMAX_PATH+2];
long i, j, surfi, ofsurf, bsc, offs[4], leng[4];
md3model *m;
md3surf_t *s;
m = (md3model *)calloc(1,sizeof(md3model)); if (!m) return(0);
m->mdnum = 3; m->texid = 0; m->scale = .01;
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.frames = (md3frame_t*)B_LITTLE32((long)m->head.frames);
m->head.tags = (md3tag_t*)B_LITTLE32((long)m->head.tags); m->head.surfs = (md3surf_t*)B_LITTLE32((long)m->head.surfs);
m->head.eof = B_LITTLE32(m->head.eof);
if ((m->head.id != 0x33504449) && (m->head.vers != 15)) { free(m); return(0); } //"IDP3"
m->numskins = m->head.numskins; //<- dead code?
m->numframes = m->head.numframes;
ofsurf = (long)m->head.surfs;
klseek(fil,(long)m->head.frames,SEEK_SET); i = m->head.numframes*sizeof(md3frame_t);
m->head.frames = (md3frame_t *)malloc(i); if (!m->head.frames) { free(m); return(0); }
kread(fil,m->head.frames,i);
if (m->head.numtags == 0) m->head.tags = NULL;
else {
klseek(fil,(long)m->head.tags,SEEK_SET); i = m->head.numtags*sizeof(md3tag_t);
m->head.tags = (md3tag_t *)malloc(i); if (!m->head.tags) { free(m->head.frames); free(m); return(0); }
kread(fil,m->head.tags,i);
}
klseek(fil,(long)m->head.surfs,SEEK_SET); i = m->head.numsurfs*sizeof(md3surf_t);
m->head.surfs = (md3surf_t *)malloc(i); if (!m->head.surfs) { if (m->head.tags) free(m->head.tags); free(m->head.frames); free(m); return(0); }
#if B_BIG_ENDIAN != 0
{
long *l;
for (i = m->head.numframes-1; i>=0; i--) {
l = (long *)&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 = (long *)&m->head.tags[i].p;
for (j=3+3+3+3-1;j>=0;j--) l[j] = B_LITTLE32(l[j]);
}
}
#endif
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
{
long *l;
s->id = B_LITTLE32(s->id);
l = (long *)&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+((long)(s->tris )); leng[0] = s->numtris*sizeof(md3tri_t);
offs[1] = ofsurf+((long)(s->shaders)); leng[1] = s->numshaders*sizeof(md3shader_t);
offs[2] = ofsurf+((long)(s->uv )); leng[2] = s->numverts*sizeof(md3uv_t);
offs[3] = ofsurf+((long)(s->xyzn )); 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 *)malloc(leng[0]+leng[1]+leng[2]+leng[3]);
if (!s->tris)
{
for (surfi--;surfi>=0;surfi--) free(m->head.surfs[surfi].tris);
if (m->head.tags) free(m->head.tags); free(m->head.frames); free(m); return(0);
}
s->shaders = (md3shader_t *)(((long)s->tris )+leng[0]);
s->uv = (md3uv_t *)(((long)s->shaders)+leng[1]);
s->xyzn = (md3xyzn_t *)(((long)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
{
long *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 = (long*)&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 = (signed short)B_LITTLE16((unsigned short)s->xyzn[i].x);
s->xyzn[i].y = (signed short)B_LITTLE16((unsigned short)s->xyzn[i].y);
s->xyzn[i].z = (signed short)B_LITTLE16((unsigned short)s->xyzn[i].z);
}
}
#endif
maxmodelverts = max(maxmodelverts, s->numverts);
ofsurf += s->ofsend;
}
#if 0
strcpy(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; strcpy(bst,st); }
}
}
if (!mdloadskin(&m->texid,&m->usesalpha,bst)) ;//bad!
#endif
return(m);
}
static int md3draw (md3model *m, spritetype *tspr)
{
point3d fp, fp1, fp2, m0, m1, a0, a1;
md3xyzn_t *v0, *v1;
long i, j, k, surfi, *lptr;
float f, g, k0, k1, k2, k3, k4, k5, k6, k7, mat[16], pc[4], mult;
md3surf_t *s;
//PLAG : sorting stuff
unsigned short *indexes;
float *maxdepths;
unsigned short tempus;
// if ((tspr->cstat&48) == 32) return 0;
updateanimation((md2model *)m,tspr);
//create current&next frame's vertex list from whole list
f = m->interpol; g = 1-f;
if (m->head.flags == 1337)
{ // md2
m0.x = m->scale * g * m->muladdframes[m->cframe*2].x; m1.x = m->scale * f * m->muladdframes[m->nframe*2].x;
m0.y = m->scale * g * m->muladdframes[m->cframe*2].y; m1.y = m->scale * f * m->muladdframes[m->nframe*2].y;
m0.z = m->scale * g * m->muladdframes[m->cframe*2].z; m1.z = m->scale * f * m->muladdframes[m->nframe*2].z;
a0.x = m->muladdframes[m->cframe*2+1].x * m->scale; a0.x = (m->muladdframes[m->nframe*2+1].x * m->scale - a0.x)*f+a0.x;
a0.y = m->muladdframes[m->cframe*2+1].y * m->scale; a0.y = (m->muladdframes[m->nframe*2+1].y * m->scale - a0.y)*f+a0.y;
a0.z = m->muladdframes[m->cframe*2+1].z * m->scale; a0.z = (m->muladdframes[m->nframe*2+1].z * m->scale - a0.z)*f+a0.z + 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 = m->zadd*m->scale;
}
// Parkar: Moved up to be able to use k0 for the y-flipping code
k0 = 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
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 = 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)(numpalookups-min(max(globalshade+m->shadeoff,0),numpalookups)))/((float)numpalookups);
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] = 0.66; else pc[3] = 0.33; } 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)
{
if (spriteext[tspr->owner].xoff)
a0.x = (int)(spriteext[tspr->owner].xoff / (2048 * (m0.x+m1.x)));
else
a0.x = 0;
if (spriteext[tspr->owner].yoff)
a0.y = (int)(spriteext[tspr->owner].yoff / (2048 * (m0.x+m1.x)));
else
a0.y = 0;
if ((spriteext[tspr->owner].zoff) && !(tspr->cstat&1024))
a0.z = (int)(spriteext[tspr->owner].zoff / (524288 * (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];
for (i=s->numverts-1;i>=0;i--)
{
if (spriteext[tspr->owner].pitch || spriteext[tspr->owner].roll)
{
fp.z = v0[i].x + a0.x;
fp.x = v0[i].y + a0.y;
fp.y = 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 = v1[i].x + a0.x;
fp.x = v1[i].y + a0.y;
fp.y = 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;
}
vertlist[i].x = fp.x;
vertlist[i].y = fp.y;
vertlist[i].z = fp.z;
}
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 *)m,tile2model[tspr->picnum].skinnum,globalpal,surfi); if (!i) continue;
//i = mdloadskin((md2model *)m,tile2model[tspr->picnum].skinnum,surfi); //hack for testing multiple surfaces per MD3
bglBindTexture(GL_TEXTURE_2D, i);
//PLAG: delayed polygon-level sorted rendering
if (m->usesalpha && !(tspr->cstat & 1024))
{
indexes = malloc(sizeof(unsigned short) * s->numtris);
maxdepths = malloc(sizeof(float) * s->numtris);
// old sorting methods - dead code
/*for(i=s->numtris-1;i>=0;i--)
{
tempf = (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];
if (tempf < ((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]))
tempf = (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];
if (tempf < ((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]))
tempf = (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];
maxdepths[i] = tempf;
indexes[i] = i;
}
for(i=s->numtris-1;i>=0;i--)
{
tempf = (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];
tempf += (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];
tempf += (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];
tempf /= 3.0f;
maxdepths[i] = tempf;
indexes[i] = i;
}
for(i=s->numtris-1;i>=0;i--)
{
tempvec[0].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];
tempvec[0].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];
tempvec[0].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];
tempvec[1].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];
tempvec[1].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];
tempvec[1].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];
tempvec[2].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];
tempvec[2].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];
tempvec[2].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];
tempf = (tempvec[0].x * tempvec[0].x) + (tempvec[0].y * tempvec[0].y) + (tempvec[0].z * tempvec[0].z);
tempf += (tempvec[1].x * tempvec[1].x) + (tempvec[1].y * tempvec[1].y) + (tempvec[1].z * tempvec[1].z);
tempf += (tempvec[2].x * tempvec[2].x) + (tempvec[2].y * tempvec[2].y) + (tempvec[2].z * tempvec[2].z);
maxdepths[i] = tempf;
indexes[i] = i;
}*/
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;
maxdepths[i] = f;
indexes[i] = i;
}
//bubble sort - dead code
/*test = 0;
j = 0;
while (j == 0)
{
j = 1;
for(i=s->numtris-1;i>0;i--)
if (maxdepths[i] < maxdepths[i-1])
{
f = maxdepths[i];
maxdepths[i] = maxdepths[i-1];
maxdepths[i-1] = f;
k = indexes[i];
indexes[i] = indexes[i-1];
indexes[i-1] = k;
test++;
j = 0;
}
}*/
// dichotomic recursive sorting - about 100x less iterations than bubblesort
quicksort(indexes, maxdepths, 0, s->numtris - 1);
bglBegin(GL_TRIANGLES);
for (i=s->numtris-1;i>=0;i--)
for (j=0;j<3;j++)
{
k = s->tris[indexes[i]].i[j];
bglTexCoord2f(s->uv[k].u,s->uv[k].v);
bglVertex3fv((float *)&vertlist[k]);
}
bglEnd();
free(indexes);
free(maxdepths);
}
else
{
bglBegin(GL_TRIANGLES);
for (i=s->numtris-1;i>=0;i--)
for (j=0;j<3;j++)
{
k = s->tris[i].i[j];
bglTexCoord2f(s->uv[k].u,s->uv[k].v);
bglVertex3fv((float *)&vertlist[k]);
}
bglEnd();
}
}
//------------
if (m->usesalpha) bglDisable(GL_ALPHA_TEST);
bglDisable(GL_CULL_FACE);
bglPopAttrib();
if (tspr->cstat&1024)
{
bglDepthFunc(GL_LEQUAL); //NEVER,LESS,(,L)EQUAL,GREATER,(NOT,G)EQUAL,ALWAYS
bglDepthRange(0.0,0.99999);
}
bglLoadIdentity();
return 1;
}
static void md3free (md3model *m)
{
mdanim_t *anim, *nanim = NULL;
mdskinmap_t *sk, *nsk = NULL;
md3surf_t *s;
long surfi;
if (!m) return;
for (anim=m->animations; anim; anim=nanim)
{
nanim = anim->next;
free(anim);
}
for (sk=m->skinmap; sk; sk=nsk)
{
nsk = sk->next;
free(sk->fn);
free(sk);
}
if (m->head.surfs)
{
for (surfi=m->head.numsurfs-1;surfi>=0;surfi--)
{
s = &m->head.surfs[surfi];
if (s->tris) free(s->tris);
}
free(m->head.surfs);
}
if (m->head.tags) free(m->head.tags);
if (m->head.frames) free(m->head.frames);
if (m->texid) free(m->texid);
if (m->muladdframes) free(m->muladdframes);
free(m);
}
//---------------------------------------- MD3 LIBRARY ENDS ----------------------------------------
//--------------------------------------- VOX LIBRARY BEGINS ---------------------------------------
//For loading/conversion only
static long 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 long *vcolhashead = 0, vcolhashsizm1;
typedef struct { long p, c, n; } voxcol_t;
static voxcol_t *vcol = 0; long vnum = 0, vmax = 0;
typedef struct { short x, y; } spoint2d;
static spoint2d *shp;
static long *shcntmal, *shcnt = 0, shcntp;
static long mytexo5, *zbit, gmaxx, gmaxy, garea, pow2m1[33];
static voxmodel *gvox;
//pitch must equal xsiz*4
unsigned gloadtex (long *picbuf, long xsiz, long ysiz, long is8bit, long dapal)
{
unsigned rtexid;
coltype *pic, *pic2;
unsigned char *cptr;
long i;
pic = (coltype *)picbuf; //Correct for GL's RGB order; also apply gamma here..
pic2 = (coltype *)malloc(xsiz*ysiz*sizeof(long)); if (!pic2) return((unsigned)-1);
cptr = (unsigned 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] == 0) dapal = 0;
for (i=xsiz*ysiz-1;i>=0;i--)
{
pic2[i].b = cptr[palette[(long)palookup[dapal][pic[i].a]*3+2]*4];
pic2[i].g = cptr[palette[(long)palookup[dapal][pic[i].a]*3+1]*4];
pic2[i].r = cptr[palette[(long)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,(unsigned char *)pic2);
free(pic2);
return(rtexid);
}
static long getvox (long x, long y, long 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 (long x, long y, long z, long col)
{
if (vnum >= vmax) { vmax = max(vmax<<1,4096); vcol = (voxcol_t *)realloc(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
static void setzrange0 (long *lptr, long z0, long z1)
{
long 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));
}
//Set all bits in vbit from (x,y,z0) to (x,y,z1-1) to 1's
static void setzrange1 (long *lptr, long z0, long z1)
{
long 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 long isrectfree (long x0, long y0, long dx, long dy)
{
#if 0
long 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
long 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 (long x0, long y0, long dx, long dy)
{
#if 0
long 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
long 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 (long x0, long y0, long z0, long x1, long y1, long z1, long x2, long y2, long z2, long face)
{
long x, y, z;
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 (long x0, long y0, long z0, long x1, long y1, long z1, long x2, long y2, long z2, long face)
{
long 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++)
{
memcpy(&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);
memcpy(&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 long isolid (long x, long y, long z)
{
if ((unsigned long)x >= (unsigned long)xsiz) return(0);
if ((unsigned long)y >= (unsigned long)ysiz) return(0);
if ((unsigned long)z >= (unsigned long)zsiz) return(0);
z += x*yzsiz + y*zsiz; return(vbit[z>>5]&(1<<SHIFTMOD32(z)));
}
static voxmodel *vox2poly ()
{
long i, j, x, y, z, v, ov, oz = 0, cnt, sc, x0, y0, dx, dy, i0, i1, *bx0, *by0;
void (*daquad)(long, long, long, long, long, long, long, long, long, long);
coltype *pic;
unsigned char *cptr, ch;
gvox = (voxmodel *)malloc(sizeof(voxmodel)); if (!gvox) return(0);
memset(gvox,0,sizeof(voxmodel));
//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(long);
shcntmal = (long *)malloc(i); if (!shcntmal) { free(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 = (long *)malloc(i<<1); if (!bx0) { free(gvox); return(0); }
by0 = (long *)(((long)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 *)malloc(gvox->qcnt*sizeof(spoint2d));
if (!shp) { free(bx0); free(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 = (long *)malloc(i); if (!zbit) { free(bx0); free(gvox); free(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
{
free(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 *)malloc(gvox->qcnt*sizeof(voxrect_t));
if (!gvox->quad) { free(zbit); free(shp); free(bx0); free(gvox); return(0); }
gvox->mytex = (long *)malloc(gvox->mytexx*gvox->mytexy*sizeof(long));
if (!gvox->mytex) { free(gvox->quad); free(zbit); free(shp); free(bx0); free(gvox); return(0); }
}
}
free(shp); free(zbit); free(bx0);
return(gvox);
}
static long loadvox (const char *filnam)
{
long i, j, k, x, y, z, pal[256], fil;
unsigned char c[3], *tbuf;
fil = kopen4load((char *)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] = (((long)c[0])<<18)+(((long)c[1])<<10)+(((long)c[2])<<2)+(i<<24); }
pal[255] = -1;
vcolhashsizm1 = 8192-1;
vcolhashead = (long *)malloc((vcolhashsizm1+1)*sizeof(long)); if (!vcolhashead) { kclose(fil); return(-1); }
memset(vcolhashead,-1,(vcolhashsizm1+1)*sizeof(long));
yzsiz = ysiz*zsiz; i = ((xsiz*yzsiz+31)>>3);
vbit = (long *)malloc(i); if (!vbit) { kclose(fil); return(-1); }
memset(vbit,0,i);
tbuf = (unsigned char *)malloc(zsiz*sizeof(char)); 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; }
}
}
free(tbuf); kclose(fil); return(0);
}
static long loadkvx (const char *filnam)
{
long i, j, k, x, y, z, pal[256], z0, z1, mip1leng, ysizp1, fil;
unsigned short *xyoffs;
unsigned char c[3], *tbuf, *cptr;
fil = kopen4load((char *)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(short);
xyoffs = (unsigned short *)malloc(i); if (!xyoffs) { kclose(fil); return(-1); }
kread(fil,xyoffs,i); for (i=i/sizeof(short)-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((((long)c[0])<<18)+(((long)c[1])<<10)+(((long)c[2])<<2)+(i<<24)); }
yzsiz = ysiz*zsiz; i = ((xsiz*yzsiz+31)>>3);
vbit = (long *)malloc(i); if (!vbit) { free(xyoffs); kclose(fil); return(-1); }
memset(vbit,0,i);
for (vcolhashsizm1=4096;vcolhashsizm1<(mip1leng>>1);vcolhashsizm1<<=1); vcolhashsizm1--; //approx to numvoxs!
vcolhashead = (long *)malloc((vcolhashsizm1+1)*sizeof(long)); if (!vcolhashead) { free(xyoffs); kclose(fil); return(-1); }
memset(vcolhashead,-1,(vcolhashsizm1+1)*sizeof(long));
klseek(fil,28+((xsiz+1)<<2)+((ysizp1*xsiz)<<1),SEEK_SET);
i = kfilelength(fil)-ktell(fil);
tbuf = (unsigned char *)malloc(i); if (!tbuf) { free(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 = (long)cptr[0]; k = (long)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);
for (z=z0;z<z1;z++) putvox(x,y,z,pal[*cptr++]);
}
}
free(tbuf); free(xyoffs); return(0);
}
static long loadkv6 (const char *filnam)
{
long i, j, x, y, z, numvoxs, z0, z1, fil;
unsigned short *ylen;
unsigned 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 = (unsigned short *)malloc(xsiz*ysiz*sizeof(short));
if (!ylen) { kclose(fil); return(-1); }
klseek(fil,32+(numvoxs<<3)+(xsiz<<2),SEEK_SET);
kread(fil,ylen,xsiz*ysiz*sizeof(short)); 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);
vbit = (long *)malloc(i); if (!vbit) { free(ylen); kclose(fil); return(-1); }
memset(vbit,0,i);
for (vcolhashsizm1=4096;vcolhashsizm1<numvoxs;vcolhashsizm1<<=1); vcolhashsizm1--;
vcolhashead = (long *)malloc((vcolhashsizm1+1)*sizeof(long)); if (!vcolhashead) { free(ylen); kclose(fil); return(-1); }
memset(vcolhashead,-1,(vcolhashsizm1+1)*sizeof(long));
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(*(unsigned short *)&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(*(long *)&c[0])&0xffffff);
z1 = z0+1;
}
}
free(ylen); kclose(fil); return(0);
}
#if 0
//While this code works, it's way too slow and can only cause trouble.
static long loadvxl (const char *filnam)
{
long i, j, x, y, z, fil;
unsigned 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 = (long *)malloc(i); if (!vbit) { kclose(fil); return(-1); }
memset(vbit,-1,i);
vcolhashsizm1 = 1048576-1;
vcolhashead = (long *)malloc((vcolhashsizm1+1)*sizeof(long)); if (!vcolhashead) { kclose(fil); return(-1); }
memset(vcolhashead,-1,(vcolhashsizm1+1)*sizeof(long));
//Allocate huge buffer and load rest of file into it...
i = kfilelength(fil)-ktell(fil);
vbuf = (unsigned char *)malloc(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,(*(long *)&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,(*(long *)&v[(z-v[3])<<2])&0xffffff);
}
v += ((((long)v[2])-((long)v[1])+2)<<2);
}
free(vbuf); return(0);
}
#endif
static void voxfree (voxmodel *m)
{
if (!m) return;
if (m->mytex) free(m->mytex);
if (m->quad) free(m->quad);
if (m->texid) free(m->texid);
free(m);
}
static voxmodel *voxload (const char *filnam)
{
long i, is8bit, ret;
voxmodel *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 = (unsigned int *)calloc(MAXPALOOKUPS,sizeof(unsigned int));
if (!vm->texid) { voxfree(vm); vm = 0; }
}
if (shcntmal) { free(shcntmal); shcntmal = 0; }
if (vbit) { free(vbit); vbit = 0; }
if (vcol) { free(vcol); vcol = 0; vnum = 0; vmax = 0; }
if (vcolhashead) { free(vcolhashead); vcolhashead = 0; }
return(vm);
}
//Draw voxel model as perfect cubes
static int voxdraw (voxmodel *m, spritetype *tspr)
{
point3d fp, m0, a0;
long i, j, k, fi, *lptr, xx, yy, zz;
float ru, rv, uhack[2], vhack[2], 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 ((int)m == (int)0xffffffff) // 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 = 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;
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 = 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)(numpalookups-min(max(globalshade+m->shadeoff,0),numpalookups)))/((float)numpalookups);
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] = 0.66; else pc[3] = 0.33; } else pc[3] = 1.0;
if (tspr->cstat&2) bglEnable(GL_BLEND); else bglDisable(GL_BLEND);
//------------
//transform to Build coords
memcpy(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_LEQUAL); //NEVER,LESS,(,L)EQUAL,GREATER,(NOT,G)EQUAL,ALWAYS
bglDepthRange(0.0,0.99999);
}
bglLoadIdentity();
return 1;
}
//---------------------------------------- VOX LIBRARY ENDS ----------------------------------------
//--------------------------------------- MD LIBRARY BEGINS ---------------------------------------
mdmodel *mdload (const char *filnam)
{
mdmodel *vm;
int fil;
long i;
vm = (mdmodel*)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:
vm = (mdmodel*)md2load(fil,filnam); break; //IDP2
case 0x33504449:
vm = (mdmodel*)md3load(fil); break; //IDP3
default:
vm = (mdmodel*)0; break;
}
kclose(fil);
return(vm);
}
int mddraw (spritetype *tspr)
{
mdanim_t *anim;
mdmodel *vm;
if (maxmodelverts > allocmodelverts)
{
point3d *vl = (point3d *)realloc(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[tspr->picnum].modelid];
if (vm->mdnum == 1) { return voxdraw((voxmodel *)vm,tspr); }
if (vm->mdnum == 3) { return md3draw((md3model *)vm,tspr); }
return 0;
}
void mdfree (mdmodel *vm)
{
if (vm->mdnum == 1) { voxfree((voxmodel *)vm); return; }
if (vm->mdnum == 3) { md3free((md3model *)vm); return; }
}
//---------------------------------------- MD LIBRARY ENDS ----------------------------------------
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