//metallic paint, by tek (evilsuperbrain.com)
//note that you can control the ambient brightness of these textures using the #default setting.
//usage: pPigment - whatever pigment you want on your surface, fMetallic - value from 0 (not metallic) to 1 (very metallic)

#macro m_tMetallicMatte(pPigment, fMetallic)
	//base metallic layer
	texture {
		pigment {
			pPigment
		}
		finish {
			diffuse (1-fMetallic)
			specular fMetallic roughness .1 metallic 1
		}
	}
#end
	
#declare tGlossCoat =
	//gloss coating, this can be layered over anything to give a realistic glossy finish.
	texture {
		pigment {
			rgbt 1
		}
		finish {
			reflection {
				0.08,			//adjust this to simulate other glossy materials (glass should be a low number, a mirror would be a high number)
				1					//leave this, unless you want a dull looking material, in which case why are you using a gloss coating?! :)
				falloff 5 //this approximates fresnel reflections, without us needing to guess ior values.
			}
			conserve_energy
			phong 1 phong_size 200	//tune this according to your scene, it won't look perfect because it ignores the reflection falloff.
		}
	}

#macro m_tMetallicGloss(pPigment, fMetallic)
	m_tMetallicMatte(pPigment, fMetallic)
	texture { tGlossCoat }
#end