/*
================
=
= R_InitData
=
= Locates all the lumps that will be used by all views
= Must be called after W_Init
=================
*/
void R_InitData (void)
{
tprintf("\nR_InitTextures ",0);
R_InitTextures ();
//printf (".");
tprintf("R_InitFlats\n",0);
R_InitFlats ();
IncThermo();
//printf (".");
tprintf("R_InitSpriteLumps ",0);
R_InitSpriteLumps ();
IncThermo();
//printf (".");
R_InitColormaps ();
/*
================
=
= R_InitSpriteLumps
=
= Finds the width and hoffset of all sprites in the wad, so the sprite doesn't
= need to be cached just for the header during rendering
=================
*/
void R_InitSpriteLumps (void)
{
int i;
patch_t *patch;
dstex_t *sprite_ds;
firstspritelump = W_GetNumForName ("S_START") + 1;
lastspritelump = W_GetNumForName ("S_END") - 1;
numspritelumps = lastspritelump - firstspritelump + 1;
spritewidth = (fixed_t *)Z_Malloc (numspritelumps*4, PU_STATIC, 0);
spriteheight = (fixed_t *)Z_Malloc (numspritelumps*4, PU_STATIC, 0);
spriteoffset = (fixed_t *)Z_Malloc (numspritelumps*4, PU_STATIC, 0);
spritetopoffset = (fixed_t *)Z_Malloc (numspritelumps*4, PU_STATIC, 0);
sprites_ds = (dstex_t *)Z_Malloc (numspritelumps*sizeof(dstex_t), PU_STATIC, 0);
for (i=0 ; i< numspritelumps ; i++)
{
#ifdef __NEXT__
if (!(i&63))
printf (".");
#else
IncThermo();
#endif
patch = (patch_t *)W_CacheLumpNum (firstspritelump+i, PU_CACHE);
spritewidth[i] = SHORT(patch->width)<<FRACBITS;
spriteheight[i] = SHORT(patch->height)<<FRACBITS;
spriteoffset[i] = SHORT(patch->leftoffset)<<FRACBITS;
spritetopoffset[i] = SHORT(patch->topoffset)<<FRACBITS;
sprite_ds = &sprites_ds[i];
ds_init_sprite(i,patch,sprite_ds);
}
void R_InitSpriteLumps (void)
{
int i;
patch_t *patch;
firstspritelump = W_GetNumForName ("S_START") + 1;
lastspritelump = W_GetNumForName ("S_END") - 1;
numspritelumps = lastspritelump - firstspritelump + 1;
spritewidth = Z_Malloc (numspritelumps*4, PU_STATIC, 0);
spriteoffset = Z_Malloc (numspritelumps*4, PU_STATIC, 0);
spritetopoffset = Z_Malloc (numspritelumps*4, PU_STATIC, 0);
for (i=0 ; i< numspritelumps ; i++)
{
#ifdef __NEXT__
if (!(i&63))
printf (".");
#else
IncThermo();
#endif
patch = W_CacheLumpNum (firstspritelump+i, PU_CACHE);
spritewidth[i] = SHORT(patch->width)<<FRACBITS;
spriteoffset[i] = SHORT(patch->leftoffset)<<FRACBITS;
spritetopoffset[i] = SHORT(patch->topoffset)<<FRACBITS;
}
}
/*
==================
=
= R_InitTextures
=
= Initializes the texture list with the textures from the world map
=
==================
*/
void R_InitTextures (void)
{
maptexture_t *mtexture;
texture_t *texture;
dstex_t *texture_ds;
mappatch_t *mpatch;
texpatch_t *patch;
int i,j;
int *maptex, *maptex2, *maptex1;
char name[9], *names, *name_p;
int *patchlookup;
int totalwidth;
int nummappatches;
int offset, maxoff, maxoff2;
int numtextures1, numtextures2;
int *directory;
//
// load the patch names from pnames.lmp
//
name[8] = 0;
names = W_CacheLumpName ("PNAMES", PU_STATIC);
nummappatches = LONG ( *((int *)names) );
name_p = names+4;
patchlookup = malloc (nummappatches*sizeof(*patchlookup));
if(patchlookup == 0) {
I_Error("patchlookup == 0\n");
}
for (i=0 ; i<nummappatches ; i++)
{
strncpy (name,name_p+i*8, 8);
patchlookup[i] = W_CheckNumForName (name);
}
Z_Free (names);
//
// load the map texture definitions from textures.lmp
//
maptex = maptex1 = W_CacheLumpName ("TEXTURE1", PU_STATIC);
numtextures1 = LONG(*maptex);
maxoff = W_LumpLength (W_GetNumForName ("TEXTURE1"));
directory = maptex+1;
if (W_CheckNumForName ("TEXTURE2") != -1)
{
maptex2 = W_CacheLumpName ("TEXTURE2", PU_STATIC);
numtextures2 = LONG(*maptex2);
maxoff2 = W_LumpLength (W_GetNumForName ("TEXTURE2"));
}
else
{
maptex2 = NULL;
numtextures2 = 0;
maxoff2 = 0;
}
numtextures = numtextures1 + numtextures2;
printf("num textures %d\n",numtextures);
//
// Init the startup thermometer at this point...
//
{
int spramount;
spramount = W_GetNumForName("S_END") - W_GetNumForName("S_START") + 1;
InitThermo(spramount + numtextures + 6);
}
textures = Z_Malloc (numtextures*4, PU_STATIC, 0);
textures_ds = Z_Malloc (numtextures*sizeof(*textures_ds), PU_STATIC, 0);
texturecolumnlump = Z_Malloc (numtextures*4, PU_STATIC, 0);
texturecolumnofs = Z_Malloc (numtextures*4, PU_STATIC, 0);
texturecomposite = Z_Malloc (numtextures*4, PU_STATIC, 0);
texturecompositesize = Z_Malloc (numtextures*4, PU_STATIC, 0);
texturewidthmask = Z_Malloc (numtextures*4, PU_STATIC, 0);
textureheight = Z_Malloc (numtextures*4, PU_STATIC, 0);
totalwidth = 0;
for (i=0 ; i<numtextures ; i++, directory++)
{
#ifdef __NEXT__
if(!(i&63))
printf (".");
#else
IncThermo();
#endif
if (i == numtextures1)
{ // start looking in second texture file
maptex = maptex2;
maxoff = maxoff2;
directory = maptex+1;
}
offset = LONG(*directory);
if (offset > maxoff)
I_Error ("R_InitTextures: bad texture directory");
mtexture = (maptexture_t *) ( (byte *)maptex + offset);
texture = textures[i] = Z_Malloc (sizeof(texture_t)
+ sizeof(texpatch_t)*(SHORT(mtexture->patchcount)-1), PU_STATIC,
0);
texture->width = SHORT(mtexture->width);
texture->height = SHORT(mtexture->height);
texture->patchcount = SHORT(mtexture->patchcount);
texture_ds = &textures_ds[i];
ds_init_texture(i,texture,texture_ds);
memcpy (texture->name, mtexture->name, sizeof(texture->name));
//printf("%d: %p %8s %p %8s\n",i,texture->name,texture->name,mtexture->name,mtexture->name);
if(*texture->name == 0)
{
while(1);
}
mpatch = &mtexture->patches[0];
patch = &texture->patches[0];
for (j=0 ; j<texture->patchcount ; j++, mpatch++, patch++)
{
patch->originx = SHORT(mpatch->originx);
patch->originy = SHORT(mpatch->originy);
patch->patch = patchlookup[SHORT(mpatch->patch)];
if (patch->patch == -1)
I_Error (
"R_InitTextures: Missing patch in texture %s",texture->name);
}
texturecolumnlump[i] = Z_Malloc (texture->width*2, PU_STATIC,0);
texturecolumnofs[i] = Z_Malloc (texture->width*2, PU_STATIC,0);
j = 1;
while (j*2 <= texture->width)
j<<=1;
texturewidthmask[i] = j-1;
textureheight[i] = texture->height<<FRACBITS;
totalwidth += texture->width;
}
free(patchlookup);
Z_Free (maptex1);
if (maptex2)
Z_Free (maptex2);
//
// precalculate whatever possible
//
for(i = 0; i < numtextures; i++)
{
R_GenerateLookup(i);
CheckAbortStartup();
}
//
// translation table for global animation
//
texturetranslation = Z_Malloc ((numtextures+1)*4, PU_STATIC, 0);
for (i=0 ; i<numtextures ; i++)
texturetranslation[i] = i;
ds_init_textures();
