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3d: Ignore alpha map if same as color map

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In Rance Quest (e.g. mapF_ew01), some materials use the same image for
both color map and alpha map. In that case, the alpha channel of the
color map can be used, so ignore the alpha map.
This commit is contained in:
kichikuou
2024-10-06 07:53:15 +09:00
parent 84ab9a41da
commit 74666c9b90
1 changed files with 7 additions and 2 deletions
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src/3d/model.c
+7 -2
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@@ -107,8 +107,13 @@ static bool init_material(struct material *material, const struct pol_material *
if (m->textures[SPECULAR_MAP])
material->specular_map = load_texture(aar, path, m->textures[SPECULAR_MAP], NULL);
if (m->textures[ALPHA_MAP])
material->alpha_map = load_texture(aar, path, m->textures[ALPHA_MAP], NULL);
if (m->textures[ALPHA_MAP]) {
if (has_alpha && !strcmp(m->textures[COLOR_MAP], m->textures[ALPHA_MAP])) {
// Do nothing; the alpha channel of the color map is used.
} else {
material->alpha_map = load_texture(aar, path, m->textures[ALPHA_MAP], NULL);
}
}
if (m->textures[LIGHT_MAP])
material->light_map = load_texture(aar, path, m->textures[LIGHT_MAP], NULL);
if (m->textures[NORMAL_MAP])