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Luma texture support for brush models (From Fuh, by way of Grievre).

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This commit is contained in:
Ragnvald Maartmann-Moe IV 2003-12-21 08:02:03 +00:00
parent 35d690c701
commit 12d3a137a1
1 changed files with 81 additions and 28 deletions
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109
libs/models/brush/gl_model_brush.c
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@ -70,11 +70,72 @@ Mod_ProcessTexture (miptex_t *mt, texture_t *tx)
true, false, 1);
}
static tex_t *
Mod_ProcessLuma (tex_t *luma)
{
byte *data;
int i;
size_t size = luma->width * luma->height;
tex_t *newluma = luma;
if (luma->format < 3)
return luma;
if (luma->format == 3) {
// Doesn't have alpha, let's give it some.
newluma = Hunk_TempAlloc (field_offset (tex_t, data[size * 4]));
for (i = 0; i < size; i++) {
newluma->data[i * 4] = luma->data[i * 3];
newluma->data[i * 4 + 1] = luma->data[i * 3 + 1];
newluma->data[i * 4 + 2] = luma->data[i * 3 + 2];
newluma->data[i * 4 + 3] = 0xFF;
}
newluma->format = 4;
}
data = newluma->data;
for (i = 0; i < size * 4; i += 4) {
if (!(data[i] | data[i + 1] | data[i + 2]))
data[i + 3] = 0;
}
return newluma;
}
static tex_t *
Mod_LoadAnExternalTexture (char * tname, char *mname)
{
char rname[32];
tex_t *image;
memcpy (rname, tname, strlen (tname) + 1);
if (rname[0] == '*') rname[0] = '#';
image = LoadImage (va ("textures/%.*s/%s", (int) strlen (mname + 5) - 4,
mname + 5, rname));
if (!image)
image = LoadImage (va ("maps/%.*s/%s",
(int) strlen (mname + 5) - 4,
mname + 5, rname));
// if (!image)
// image = LoadImage (va ("textures/bmodels/%s", rname));
if (!image)
image = LoadImage (va ("textures/%s", rname));
if (!image)
image = LoadImage (va ("maps/%s", rname));
return image;
}
void
Mod_LoadExternalTextures (model_t *mod)
{
int i;
tex_t *targa;
tex_t *base, *luma;
texture_t *tx;
for (i = 0; i < mod->numtextures; i++) {
@ -82,34 +143,26 @@ Mod_LoadExternalTextures (model_t *mod)
if (!tx)
continue;
// FIXME: replace special flag characters with # or _?
if (tx->name[0] == '*') {
targa = LoadImage (va ("textures/%.*s/#%s",
(int) strlen (mod->name + 5) - 4,
mod->name + 5, tx->name + 1));
if (!targa)
targa = LoadImage (va ("textures/#%s", tx->name + 1));
if (!targa)
targa = LoadImage (va ("maps/#%s", tx->name + 1));
} else {
targa = LoadImage (va ("textures/%.*s/%s",
(int) strlen (mod->name + 5) - 4,
mod->name + 5, tx->name));
if (!targa)
targa = LoadImage (va ("textures/%s", tx->name));
if (!targa)
targa = LoadImage (va ("maps/%s", tx->name));
}
if ((base = Mod_LoadAnExternalTexture (tx->name, mod->name))) {
tx->gl_texturenum =
GL_LoadTexture (tx->name, base->width, base->height,
base->data, true, false, base->format);
if (targa) {
if (targa->format < 4) {
tx->gl_texturenum =
GL_LoadTexture (tx->name, targa->width, targa->height,
targa->data, true, false, 3);
} else {
tx->gl_texturenum =
GL_LoadTexture (tx->name, targa->width, targa->height,
targa->data, true, false, 4);
luma = Mod_LoadAnExternalTexture (va ("%s_luma", tx->name),
mod->name);
if (!luma)
luma = Mod_LoadAnExternalTexture (va ("%s_glow", tx->name),
mod->name);
tx->gl_fb_texturenum = 0; // what about paletted (pcx)?
if (luma) {
if (luma->format > 2) // If false, something's on crack
luma = Mod_ProcessLuma (luma);
tx->gl_fb_texturenum =
GL_LoadTexture (va ("fb_%s", tx->name), luma->width,
luma->height, luma->data, true, true,
luma->format);
}
}
}