nuclear@13: #include "opengl.h"
nuclear@13: #include "material.h"
nuclear@13: #include "unistate.h"
nuclear@13: 
nuclear@13: Material::Material()
nuclear@13: 	: diffuse(1, 1, 1), specular(0, 0, 0)
nuclear@13: {
nuclear@13: 	alpha = 1.0;
nuclear@13: 	shininess = 1.0;
nuclear@13: 
nuclear@13: 	for(int i=0; i<MAX_MTL_TEXTURES; i++) {
nuclear@13: 		tex[i] = 0;
nuclear@13: 	}
nuclear@13: }
nuclear@13: 
nuclear@13: 
nuclear@13: void Material::setup(bool use_textures) const
nuclear@13: {
nuclear@13: 	static bool done_init;
nuclear@13: 	static int st_diffuse_idx, st_specular_idx, st_shininess_idx, st_alpha_idx;
nuclear@13: 	static int st_tex_diffuse_idx, st_tex_specular_idx, st_tex_normal_idx;
nuclear@13: 	static int st_tex_idx[MAX_MTL_TEXTURES];
nuclear@13: 
nuclear@13: 	if(!done_init) {
nuclear@13: 		st_diffuse_idx = add_unistate("st_mtl_diffuse", ST_FLOAT3);
nuclear@13: 		st_specular_idx = add_unistate("st_mtl_specular", ST_FLOAT3);
nuclear@13: 		st_shininess_idx = add_unistate("st_mtl_shininess", ST_FLOAT);
nuclear@13: 		st_alpha_idx = add_unistate("st_mtl_alpha", ST_FLOAT);
nuclear@13: 		st_tex_diffuse_idx = add_unistate("st_tex_diffuse", ST_INT);
nuclear@13: 		st_tex_specular_idx = add_unistate("st_tex_specular", ST_INT);
nuclear@13: 		st_tex_normal_idx = add_unistate("st_tex_normal", ST_INT);
nuclear@13: 
nuclear@13: 		for(int i=0; i<MAX_MTL_TEXTURES; i++) {
nuclear@13: 			char name[32];
nuclear@13: 			sprintf(name, "st_tex%d", i);
nuclear@13: 			st_tex_idx[i] = add_unistate(name, ST_INT);
nuclear@13: 		}
nuclear@13: 		done_init = true;
nuclear@13: 	}
nuclear@13: 
nuclear@13: 	set_unistate(st_diffuse_idx, diffuse);
nuclear@13: 	set_unistate(st_specular_idx, specular);
nuclear@13: 	set_unistate(st_shininess_idx, shininess);
nuclear@13: 	set_unistate(st_alpha_idx, alpha);
nuclear@13: 
nuclear@13: 	if(!use_textures) {
nuclear@13: 		return;	// we're done
nuclear@13: 	}
nuclear@13: 
nuclear@13: 	const int tex_named_idx[] = {
nuclear@13: 		st_tex_diffuse_idx, st_tex_specular_idx, st_tex_normal_idx, -1
nuclear@13: 	};
nuclear@13: 
nuclear@13: 	int tex_unit = 0;
nuclear@13: 	for(int i=0; i<MAX_MTL_TEXTURES; i++) {
nuclear@13: 		if(tex[i]) {
nuclear@13: 			bind_texture(tex[i], tex_unit);
nuclear@13: 
nuclear@13: 			if(tex_named_idx[i] != -1) {
nuclear@13: 				set_unistate(tex_named_idx[i], tex_unit);
nuclear@13: 			}
nuclear@13: 			set_unistate(st_tex_idx[i], tex_unit);
nuclear@13: 			tex_unit++;
nuclear@13: 		}
nuclear@13: 	}
nuclear@13: 
nuclear@13: 	// also do fixed-function setup
nuclear@13: 	float dcol[] = {diffuse.x, diffuse.y, diffuse.z, alpha};
nuclear@13: 	glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, dcol);
nuclear@13: 
nuclear@13: 	float scol[] = {specular.x, specular.y, specular.z, 1.0f};
nuclear@13: 	glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, scol);
nuclear@13: 
nuclear@13: 	glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, shininess);
nuclear@13: }