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/*
   core/entity.cc
   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 "core/entity.h"
#include <iomanip>

namespace core
{

// --- Entity -----------------------------------------------------

Entity::Entity(unsigned int entity_flags)
{
	flags = entity_flags;
	
	core_shape = entity::Diamond;
	core_color = math::Color(1.0f, 1.0f, 1.0f);
	core_radius = 1.0f;

	core::entity::add(this);
	type = 0;
	
}

Entity::~Entity()
{}

// --- EntityDynamic ------------------------------------------

EntityDynamic::EntityDynamic(unsigned int entity_flags) : 
	Entity(entity_flags),
	speed(0,0,0)
{

}

// --- EntityControlable ------------------------------------------

EntityControlable::EntityControlable(unsigned int entity_flags) : 
	EntityDynamic(entity_flags)
{
	owner = 0;
}

// --- namespace entity -------------------------------------------

namespace entity
{

std::vector<Entity*> registry;

void add(Entity *ent)
{
	std::vector<Entity *>::iterator it;
	unsigned int entity_id = 1;
	for (it=registry.begin(); it != registry.end() && entity_id == (*it)->id; it++) {
		entity_id++;
	}
	ent->id = entity_id;
	registry.push_back(ent);
}

void remove(unsigned int entity_id)
{
	std::vector<Entity *>::iterator it;
	for (it=registry.begin(); it != registry.end(); it++) {
		if (entity_id == (*it)->id) {
			delete((*it));
			registry.erase(it);
			return;
		}
	}
}

void clear()
{
	std::vector<Entity *>::iterator it;
	for (it=registry.begin(); it != registry.end(); it++) {
		delete(*it);
		(*it) = 0;
	}
	registry.clear();
}

void list()
{
	std::vector<Entity *>::iterator it;
	for (it=registry.begin(); it != registry.end(); it++) {
		con_print << "  id " << std::setw(4) << (*it)->id 
			<< " type " << std::setw(4) << (*it)->core_type()
			<< ":" << std::setw(4) << (*it)->type
			<< " " << (*it)->label << std::endl;
	}
	con_print << registry.size() << " registered entities" << std::endl;
}
}

}