nuclear@4: #include "material.h"
nuclear@4: 
nuclear@4: MatAttrib::MatAttrib()
nuclear@4: 	: value(1), color(1, 1, 1), map(0)
nuclear@4: {
nuclear@4: }
nuclear@4: 
nuclear@4: MatAttrib::MatAttrib(const Color &col, Texture *tex)
nuclear@4: {
nuclear@4: 	set_color(col);
nuclear@4: 	map = tex;
nuclear@4: }
nuclear@4: 
nuclear@4: void MatAttrib::set_value(float val)
nuclear@4: {
nuclear@4: 	value = val;
nuclear@4: 	color = Color{val, val, val};
nuclear@4: }
nuclear@4: 
nuclear@4: void MatAttrib::set_color(const Color &col)
nuclear@4: {
nuclear@4: 	color = col;
nuclear@4: 	value = color_luminance(col);
nuclear@4: }
nuclear@4: 
nuclear@4: void MatAttrib::set_map(Texture *tex)
nuclear@4: {
nuclear@4: 	map = tex;
nuclear@4: }
nuclear@4: 
nuclear@4: Texture *MatAttrib::get_map() const
nuclear@4: {
nuclear@4: 	return map;
nuclear@4: }
nuclear@4: 
nuclear@4: float MatAttrib::get_value() const
nuclear@4: {
nuclear@4: 	return value;
nuclear@4: }
nuclear@4: 
nuclear@4: float MatAttrib::get_value(float u, float v) const
nuclear@4: {
nuclear@4: 	return map ? value * color_luminance(map->lookup(u, v)) : value;
nuclear@4: }
nuclear@4: 
nuclear@4: const Color &MatAttrib::get_color() const
nuclear@4: {
nuclear@4: 	return color;
nuclear@4: }
nuclear@4: 
nuclear@4: Color MatAttrib::get_color(float u, float v) const
nuclear@4: {
nuclear@4: 	return map ? color * map->lookup(u, v) : color;
nuclear@4: }
nuclear@4: 
nuclear@4: 
nuclear@4: // --- class Material ---
nuclear@4: 
nuclear@4: MatAttrib Material::def_attrib;
nuclear@4: 
nuclear@4: Material::Material()
nuclear@4: {
nuclear@4: }
nuclear@4: 
nuclear@4: void Material::set_attrib(const char *name, const Color &color, Texture *tex)
nuclear@4: {
nuclear@4: 	attrib[name] = MatAttrib{color, tex};
nuclear@4: }
nuclear@4: 
nuclear@4: MatAttrib &Material::get_attrib(const char *name)
nuclear@4: {
nuclear@4: 	auto it = attrib.find(name);
nuclear@4: 	if(it == attrib.end()) {
nuclear@4: 		return def_attrib;
nuclear@4: 	}
nuclear@4: 	return it->second;
nuclear@4: }
nuclear@4: 
nuclear@4: const MatAttrib &Material::get_attrib(const char *name) const
nuclear@4: {
nuclear@4: 	auto it = attrib.find(name);
nuclear@4: 	if(it == attrib.end()) {
nuclear@4: 		return def_attrib;
nuclear@4: 	}
nuclear@4: 	return it->second;
nuclear@4: }
nuclear@4: 
nuclear@4: float Material::get_attrib_value(const char *name) const
nuclear@4: {
nuclear@4: 	return get_attrib(name).get_value();
nuclear@4: }
nuclear@4: 
nuclear@4: float Material::get_attrib_value(const char *name, float u, float v) const
nuclear@4: {
nuclear@4: 	return get_attrib(name).get_value(u, v);
nuclear@4: }
nuclear@4: 
nuclear@4: Color Material::get_attrib_color(const char *name) const
nuclear@4: {
nuclear@4: 	return get_attrib(name).get_color();
nuclear@4: }
nuclear@4: 
nuclear@4: Color Material::get_attrib_color(const char *name, float u, float v) const
nuclear@4: {
nuclear@4: 	return get_attrib(name).get_color(u, v);
nuclear@4: }
nuclear@4: