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/* Copyright (c) <2003-2011> <Julio Jerez, Newton Game Dynamics>
*
* 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.
*/
#ifndef __dgMeshEffectSolidTree_H__
#define __dgMeshEffectSolidTree_H__
#include "hpl1/engine/libraries/newton/core/dg.h"
class dgMeshEffect;
class dgMeshTreeCSGFace;
class dgMeshEffectSolidTree;
class dgMeshEffectSolidTree {
public:
DG_CLASS_ALLOCATOR(allocator)
enum dgPlaneType {
m_divider = 1,
m_empty,
m_solid,
};
dgMeshEffectSolidTree(dgPlaneType type);
dgMeshEffectSolidTree(const dgMeshEffect &mesh, dgEdge *const face);
dgMeshEffectSolidTree(const dgHugeVector &plane, dgMemoryAllocator *const allocator);
~dgMeshEffectSolidTree();
dgHugeVector BuildPlane(const dgMeshEffect &mesh, dgEdge *const face) const;
void AddFace(const dgMeshEffect &mesh, dgEdge *const face);
dgPlaneType GetPointSide(const dgHugeVector &point) const;
dgPlaneType GetFaceSide(const dgMeshTreeCSGFace *const face) const;
dgPlaneType m_planeType;
dgMeshEffectSolidTree *m_back;
dgMeshEffectSolidTree *m_front;
dgHugeVector m_plane;
};
class dgMeshTreeCSGFace : public dgList<dgHugeVector>, public dgRefCounter {
public:
dgMeshTreeCSGFace(const dgMeshEffect &mesh, dgEdge *const face);
dgMeshTreeCSGFace(dgMemoryAllocator *const allocator, dgInt32 count, const dgHugeVector *const points);
void Clip(const dgHugeVector &plane, dgMeshTreeCSGFace **leftOut, dgMeshTreeCSGFace **rightOut);
void MergeMissingVertex(const dgMeshTreeCSGFace *const face);
bool IsPointOnEdge(const dgHugeVector &p0, const dgHugeVector &p1, const dgHugeVector &q) const;
bool CheckFaceArea(dgInt32 count, const dgHugeVector *const points) const;
dgInt32 RemoveDuplicates(dgInt32 count, dgHugeVector *const points) const;
dgHugeVector FaceNormal() const;
bool CheckConvex(const dgHugeVector &normal) const;
#ifdef _DEBUG
dgMatrix DebugMatrix() const;
void Trace(const dgMatrix &matrix) const;
#endif
dgMeshEffectSolidTree::dgPlaneType m_side;
};
#endif
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