/*
 * Collision-detection pseudo-tree class
 *
 * Class for performing several collision detection algorithms automatically
 *
 * Copyright (C) 2008  Alejandro Valenzuela Roca, <lanjoe9 at mexinetica NOSPAMPLEASE dot com>
 *
 * This file is part of MotorJ, a free framework for videogame development.
 * <http://wiki.lidsol.net/wiki/index.php?title=MotorJ >
 * <http://motorj.mexinetica.com/ >
 *
 * MotorJ is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * MotorJ is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with MotorJ.  If not, see <http://www.gnu.org/licenses/>.
 * 
 */
 
#ifndef COLTREE_CLASS_H
#define COLTREE_CLASS_H

#include "support.h"
#include "data_structs.h"
#include "collisions.h"

//! Types of branches available to the Collision Tree
enum MJCOLTREEBRANCHTYPE {COL_DIST, COL_SPH_SPH, COL_AABB_PT, COL_AAB_AAB, 
							COL_OBB_OBB, COL_RAY_TR, COL_RAY_TRSTRIP, COL_PT_AACYL};

typedef struct {
	//! Type of branch
	MJCOLTREEBRANCHTYPE colType;
	//! The actual branch data
	void * argumentStructure;
} mjColTreeBranch;

typedef struct {
	float dist;
	vector3 * pt1;
	vector3 * pt0_pt1;
} mjColTreeDistColBranch;

typedef struct {
	float r0;
	float r1;
	vector3 * sphcen1;
	vector3 * sph0_sph1;
} mjColTreeSphSphColBranch;

typedef struct {
	vector3 * vaabb0;
	vector3 * vaabb1;
} mjColTreeAABBPtColBranch;

typedef struct {
	vector3 * vaabb00;
	vector3 * vaabb01;
	vector3 * vaabb10;
	vector3 * vaabb11;
	
} mjColTreeAABBAABBColBranch;

typedef struct {
	obb * obb0;
	obb * obb1;
} mjColTreeOBBOBBColBranch;

typedef struct {
	vector3 * ray_dir;
	triangle * tr;
} mjColTreeRayTrColBranch;

typedef struct {
	vector3 * ray_dir;
	triangle ** tr_strip;
} mjColTreeRayTrStripColBranch;

typedef struct {
	vector3 * cyl_base;
	float cyl_height;
	float cyl_radius;
} mjColTreePtAACylColBranch;



 
class mjColTree{
	public:
		mjColTree();
		~mjColTree();
		short CalcCollision (vector3 & pos,
					   vector3 * correction);
		
		void AddColBranch(short expectedResult, 
								MJCOLTREEBRANCHTYPE colType, 
								void * argumentStructure);
	private:
		list_header clist;
		list_node * lnode;
		mjColTreeBranch * cbranch;

	
};

#endif