82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
/* Copyright (c) <2003-2011> <Julio Jerez, Newton Game Dynamics>
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef __dgMeshEffectSolidTree_H__
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#define __dgMeshEffectSolidTree_H__
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#include "hpl1/engine/libraries/newton/core/dg.h"
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class dgMeshEffect;
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class dgMeshTreeCSGFace;
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class dgMeshEffectSolidTree;
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class dgMeshEffectSolidTree {
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public:
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DG_CLASS_ALLOCATOR(allocator)
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enum dgPlaneType {
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m_divider = 1,
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m_empty,
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m_solid,
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};
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dgMeshEffectSolidTree(dgPlaneType type);
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dgMeshEffectSolidTree(const dgMeshEffect &mesh, dgEdge *const face);
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dgMeshEffectSolidTree(const dgHugeVector &plane, dgMemoryAllocator *const allocator);
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~dgMeshEffectSolidTree();
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dgHugeVector BuildPlane(const dgMeshEffect &mesh, dgEdge *const face) const;
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void AddFace(const dgMeshEffect &mesh, dgEdge *const face);
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dgPlaneType GetPointSide(const dgHugeVector &point) const;
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dgPlaneType GetFaceSide(const dgMeshTreeCSGFace *const face) const;
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dgPlaneType m_planeType;
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dgMeshEffectSolidTree *m_back;
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dgMeshEffectSolidTree *m_front;
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dgHugeVector m_plane;
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};
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class dgMeshTreeCSGFace : public dgList<dgHugeVector>, public dgRefCounter {
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public:
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dgMeshTreeCSGFace(const dgMeshEffect &mesh, dgEdge *const face);
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dgMeshTreeCSGFace(dgMemoryAllocator *const allocator, dgInt32 count, const dgHugeVector *const points);
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void Clip(const dgHugeVector &plane, dgMeshTreeCSGFace **leftOut, dgMeshTreeCSGFace **rightOut);
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void MergeMissingVertex(const dgMeshTreeCSGFace *const face);
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bool IsPointOnEdge(const dgHugeVector &p0, const dgHugeVector &p1, const dgHugeVector &q) const;
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bool CheckFaceArea(dgInt32 count, const dgHugeVector *const points) const;
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dgInt32 RemoveDuplicates(dgInt32 count, dgHugeVector *const points) const;
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dgHugeVector FaceNormal() const;
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bool CheckConvex(const dgHugeVector &normal) const;
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#ifdef _DEBUG
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dgMatrix DebugMatrix() const;
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void Trace(const dgMatrix &matrix) const;
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#endif
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dgMeshEffectSolidTree::dgPlaneType m_side;
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};
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#endif
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