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/*
   render/model.h
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

#include "sys/sys.h"
#include "model/model.h"
#include "model/map.h"
#include "model/vertexarray.h"

namespace model
{

std::map<std::string, Model*> Model::registry;

Model::Model(std::string const & name) :
		model_name(name)
{
	model_first_vertex = 0;
	model_first_evertex = 0;
	model_first_lvertex = 0;

	model_vertex_count = 0;
	model_vertex_countdetail = 0;
	model_evertex_count = 0;
	model_evertex_countdetail = 0;
	model_lvertex_count = 0;
	model_lvertex_countdetail = 0;

	model_radius = 0.5f;
}

Model::~Model()
{
	// delete all engines
	for (std::list<Engine *>::iterator eit = model_engine.begin(); eit != model_engine.end(); eit++) {
		delete(*eit);
	}
	model_engine.clear();
	
	// delete all lights
	for (std::list<Light *>::iterator lit = model_light.begin(); lit != model_light.end(); lit++) {
		delete (*lit);
	}
	model_light.clear();

	// delete all flares
	for (std::list<Flare *>::iterator flit = model_flare.begin(); flit != model_flare.end(); flit++) {
		delete (*flit);
	}
	model_flare.clear();
}

size_t Model::tris() const
{ 
		return ((model_vertex_count + model_vertex_countdetail + 
			model_evertex_count + model_evertex_countdetail + 
			model_lvertex_count + model_lvertex_countdetail)/3); 
}

size_t Model::details() const
{ 
		return ((model_vertex_countdetail + model_evertex_countdetail + model_lvertex_countdetail)/3); 
}

void Model::add_engine(Engine *engine)
{
	model_engine.push_back(engine);
}

void Model::add_light(Light *light)
{
	model_light.push_back(light);
}

void Model::add_flare(Flare *flare)
{
	model_flare.push_back(flare);
}

Model *Model::find(std::string const & name)
{
	std::map<std::string, Model*>::iterator it = registry.find(name);
	if (it == registry.end())
		return 0;
	else
		return (*it).second;
}

Model *Model::load(std::string const & name)
{
	Model *model = find(name);
	if (!model) {
		model = Map::load(name);
		if (model)
			registry[model->name()] = model;
	}

	return model;
}

void Model::clear()
{
	// delete all models in the registry
	for (std::map<std::string, Model*>::iterator mit = registry.begin(); mit != registry.end(); mit++) {
		delete(*mit).second;
	}
	registry.clear();

	// clear the vertex array
	if (VertexArray::instance())
		VertexArray::instance()->clear();
}

void Model::list()
{
	for (std::map<std::string, Model*>::iterator mit = registry.begin(); mit != registry.end(); mit++) {
		con_print << "  " << (*mit).second->name() << " "
			<< (*mit).second->tris() << " triangles ("
			<< (*mit).second->details() << " detail) "
			<< (*mit).second->model_engine.size() << " engines "
			<< (*mit).second->model_light.size() << " lights "
			<< (*mit).second->model_flare.size() << " flares ";
	}
	con_print << registry.size() << " registered models" << std::endl;
	if (VertexArray::instance())
		con_print << "vertex array " << (VertexArray::instance()->index() * 100 / VertexArray::instance()->size()) 
				<< "% used" << std::endl;
}

}