/**
* @brief
*/
void R_UseMaterial_default(const r_material_t *material) {
r_default_program_t *p = &r_default_program;
if (!material || !material->normalmap ||
!r_bumpmap->value || r_draw_bsp_lightmaps->value) {
R_DisableAttribute(R_ARRAY_TANGENT);
R_ProgramParameter1i(&p->normalmap, 0);
return;
}
R_EnableAttribute(R_ARRAY_TANGENT);
R_BindNormalmapTexture(material->normalmap->texnum);
R_ProgramParameter1i(&p->normalmap, 1);
if (material->specularmap) {
R_BindSpecularmapTexture(material->specularmap->texnum);
R_ProgramParameter1i(&p->glossmap, 1);
} else {
R_ProgramParameter1i(&p->glossmap, 0);
}
R_ProgramParameter1f(&p->bump, material->cm->bump * r_bumpmap->value);
R_ProgramParameter1f(&p->parallax, material->cm->parallax * r_parallax->value);
R_ProgramParameter1f(&p->hardness, material->cm->hardness * r_hardness->value);
R_ProgramParameter1f(&p->specular, material->cm->specular * r_specular->value);
}
/*
* R_SetSurfaceState_default
*/
static void R_SetSurfaceState_default(const r_bsp_surface_t *surf) {
r_image_t *image;
float a;
if (r_state.blend_enabled) { // alpha blend
switch (surf->texinfo->flags & (SURF_BLEND_33 | SURF_BLEND_66)) {
case SURF_BLEND_33:
a = 0.33;
break;
case SURF_BLEND_66:
a = 0.66;
break;
default: // both flags mean use the texture's alpha channel
a = 1.0;
break;
}
glColor4f(1.0, 1.0, 1.0, a);
}
image = surf->texinfo->image;
if (texunit_diffuse.enabled) // diffuse texture
R_BindTexture(image->texnum);
if (texunit_lightmap.enabled) // lightmap texture
R_BindLightmapTexture(surf->lightmap_texnum);
if (r_state.lighting_enabled) { // hardware lighting
if (r_bumpmap->value) { // bump mapping
if (image->normalmap) {
R_BindDeluxemapTexture(surf->deluxemap_texnum);
R_BindNormalmapTexture(image->normalmap->texnum);
R_EnableBumpmap(&image->material, true);
} else
R_EnableBumpmap(NULL, false);
}
if (surf->light_frame == r_locals.light_frame) // dynamic light sources
R_EnableLights(surf->lights);
else
R_EnableLights(0);
}
}
