#include "model.h"

namespace segl {

// Class Meshpoint

Meshpoint::Meshpoint() {
	
}

Meshpoint::Meshpoint(Punkt3D v, Punkt2D vt) {
	set(v, vt);
}

void Meshpoint::set(Punkt3D v, Punkt2D vt) {
	vertex = v;
	texcoord = vt;
// 	normal = n;
}

void Meshpoint::use() {
	glTexCoordP2D(texcoord);
// 	glNormalP3D(normal);
	glVertexP3D(vertex);
}

// Class Material

Material::Material() {
	name = "none";
	ambient.set(1.0f, 1.0f, 1.0f);
	diffuse.set(1.0f, 1.0f, 1.0f);
	specular.set(1.0f, 1.0f, 1.0f);
}

Material::Material(std::string _name, Color _a, Color _d, Color _s) {
	set(_name, _a, _d, _s);
}

void Material::set(std::string _name, Color _a, Color _d, Color _s) {
	name = _name;
	ambient = _a;
	diffuse = _d;
	specular = _s;
}

void Material::use() {
	glColorGLC(diffuse);
}

// Polygonpoint
Polygonpoint::Polygonpoint() {
	point = 0;
	tex = 0;
	normal = 0;
}

void Polygonpoint::use() {
	if(normal)
		glNormalP3D(*normal);
	if(tex)
		glTexCoordP2D(*tex);
	if(point)
		glVertexP3D(*point);
}

// Class Meshpolygon
	
Meshpolygon::Meshpolygon() {
	a = b = c = 0;
}

Meshpolygon::Meshpolygon(Meshpoint *_a, Meshpoint *_b, Meshpoint *_c) {
	set(_a, _b, _c);
}

void Meshpolygon::set(Meshpoint *_a, Meshpoint *_b, Meshpoint *_c) {
	a = _a;
	b = _b;
	c = _c;	
}

void Meshpolygon::render(GLenum mode) {
// 	if(!a || !b || !c)
// 		return;
	
	glBegin(mode);
		m1.use();
		m2.use();
		m3.use();
	glEnd();
// 	std::cout << "Pos 1 " << *m1.point << std::endl;
// 	std::cout << "Pos 2 " << *m2.point << std::endl;
// 	std::cout << "Pos 3 " << *m3.point << std::endl;
}
// Class Model

Model::Model() {
	meshdata = 0;
	meshdataanz = 0;
	matdata = 0;
	matdataanz = 0;
	polydata = 0;
	polydataanz = 0;
	texdata = 0;
	texdataanz = 0;
	normdata = 0;
	normdataanz = 0;
	loaded = false;
	
	backupmat.diffuse.set(1.0f, 1.0f, 1.0f);
}

bool Model::isLoaded() {
	return loaded;
}

void Model::unload() {
	if(meshdata)
		delete[](meshdata);
	if(polydata)
		delete[](polydata);
	if(matdata)
		delete[](matdata);
	if(texdata)
		delete[](texdata);
	if(normdata)
		delete[](normdata);
	meshdataanz = polydataanz = matdataanz = texdataanz = normdataanz = 0;
	meshdata = 0;
	polydata = 0;
	matdata = 0;
	texdata = 0;
	normdata = 0;
	loaded = false;
}

void Model::render() {
	if(!loaded) {
// 		std::cout << "Model not loaded" << std::endl;
		return;
	}
	glPushMatrix();
// 	std::cout << " --- begin --- " << std::endl;
	for(unsigned int i=0; i<polydataanz; i++) {
// 		glColor3f((float)i/polydataanz, 0.0f, 1.0f);
		polydata[i].render(GL_LINE_LOOP);
	}
	glPopMatrix();
// 	std::cout << " --- end --- " << std::endl;
}

Model::~Model() {
	unload();
}

const Punkt3D* Model::getMeshData(unsigned int *meshanz) {
	*meshanz = meshdataanz;
	return (const Punkt3D*)meshdata;
}

} // namespace segl