/**
* Copyright (c) 2006-2010 LOVE Development Team
* 
* This software is provided 'as-is', without any express or implied
* warranty.  In no event will the authors be held liable for any damages
* arising from the use of this software.
* 
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
* 
* 1. The origin of this software must not be misrepresented; you must not
*    claim that you wrote the original software. If you use this software
*    in a product, an acknowledgment in the product documentation would be
*    appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
*    misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/

#include "PolygonShape.h"

// Module
#include "Body.h"
#include "World.h"

namespace love
{
namespace physics
{
namespace box2d
{
	PolygonShape::PolygonShape(Body * body, b2PolygonDef * def)
		: Shape(body)
	{
		for(int i = 0; i<def->vertexCount; i++)
			def->vertices[i] = body->world->scaleDown(def->vertices[i]);

		shape = body->body->CreateShape(def);
		shape->SetUserData((void*)data);
	}

	PolygonShape::~PolygonShape()
	{
	}

	int PolygonShape::getPoints(lua_State * L)
	{
		love::luax_assert_argc(L, 0);
		b2PolygonShape * p = (b2PolygonShape *)shape;
		const b2Vec2 * vertices = p->GetVertices();
		int count = p->GetVertexCount();
		for(int i = 0;i<count; i++)
		{
			b2Vec2 v = body->world->scaleUp(body->body->GetWorldPoint(vertices[i]));
			lua_pushnumber(L, v.x);
			lua_pushnumber(L, v.y);
		}
		return count*2;
	}

} // box2d
} // physics
} // love