static bool load_material(Lib3dsFile *file, const char *name, Material *mat) {
Lib3dsMaterial *m;
if(!name || !*name || !(m = lib3ds_file_material_by_name(file, name))) {
return false;
}
mat->name = name;
mat->ambient_color = CONV_RGBA(m->ambient);
mat->diffuse_color = CONV_RGBA(m->diffuse);
mat->specular_color = CONV_RGBA(m->specular) * m->shin_strength;
if(m->self_illum) {
std::cerr << "self illuminating material: " << name << std::endl;
mat->emissive_color = 1.0;
}
scalar_t s = pow(2.0, 10.0 * m->shininess);
mat->specular_power = s > 128.0 ? 128.0 : s;
mat->alpha = 1.0 - m->transparency;
if(m->shading == LIB3DS_WIRE_FRAME || m->use_wire) {
mat->wireframe = true;
}
if(m->shading == LIB3DS_FLAT) {
mat->shading = SHADING_FLAT;
}
// load the textures
Texture *tex = 0, *detail = 0, *env = 0, *light = 0, *bump = 0;
const char *tpath;
tpath = tex_path(m->texture1_map.name);
if(tpath && (tex = get_texture(tpath))) {
mat->set_texture(tex, TEXTYPE_DIFFUSE);
}
tpath = tex_path(m->texture2_map.name);
if(tpath && (detail = get_texture(tpath))) {
mat->set_texture(detail, TEXTYPE_DETAIL);
}
tpath = tex_path(m->reflection_map.name);
if(tpath && (env = get_texture(tpath))) {
mat->set_texture(env, TEXTYPE_ENVMAP);
mat->env_intensity = m->reflection_map.percent;
}
tpath = tex_path(m->bump_map.name);
if(tpath && (bump = get_texture(tpath))) {
//FIXME: make dot3 work first mat->set_texture(bump, TEXTYPE_BUMPMAP);
}
tpath = tex_path(m->self_illum_map.name);
if(tpath && (light = get_texture(tpath))) {
mat->set_texture(light, TEXTYPE_LIGHTMAP);
}
if(m->autorefl_map.flags & LIB3DS_USE_REFL_MAP) {
mat->env_intensity = m->reflection_map.percent;
int cube_sz = m->autorefl_map.size;
if(!is_pow_two(cube_sz)) {
warning("Material \"%s\" specifies a non power of 2 cube map and won't render correctly!", m->name);
}
Texture *cube_tex = new Texture(cube_sz, cube_sz, TEX_CUBE);
add_texture(cube_tex);
mat->set_texture(cube_tex, TEXTYPE_ENVMAP);
if(m->autorefl_map.flags & LIB3DS_READ_FIRST_FRAME_ONLY ||
m->autorefl_map.flags & 0x8 || m->autorefl_map.frame_step == 1000) {
mat->auto_refl = false;
}
mat->auto_refl_upd = m->autorefl_map.frame_step;
}
return true;
}
inline str_ptr
toon_name(Cstr_ptr& name)
{
return tex_path() + name;
}
