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Diffstat (limited to 'src/shared/vmap/ShortBox.h')
-rw-r--r-- | src/shared/vmap/ShortBox.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/shared/vmap/ShortBox.h b/src/shared/vmap/ShortBox.h new file mode 100644 index 00000000000..d43bc61caa7 --- /dev/null +++ b/src/shared/vmap/ShortBox.h @@ -0,0 +1,148 @@ +/* + * Copyright (C) 2005-2008 MaNGOS <http://www.mangosproject.org/> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _SHORTBOX_H +#define _SHORTBOX_H + +#include <G3D/Vector3.h> +#include <G3D/AABox.h> +#include <G3D/Triangle.h> +#include <G3D/Ray.h> + +#include "ShortVector.h" + +/** +This is a box and a triangle Class using ShortVectors. Each vector has 16 bit an a fixed point 12.4 representation. +*/ + +namespace VMAP +{ + + class ShortBox + { + private: + ShortVector iV1; + ShortVector iV2; + public: + ShortBox() {} + inline const ShortVector& getLo() const { return(iV1); } + inline const ShortVector& getHi() const { return(iV2); } + inline void setLo(const ShortVector& pV){ iV1 = pV; } + inline void setHi(const ShortVector& pV){ iV2 = pV; } + inline void setLo(const G3D::Vector3& pV){ iV1 = ShortVector(pV); } + inline void setHi(const G3D::Vector3& pV){ iV2 = ShortVector(pV); } + + inline bool operator==(const ShortBox& b) const + { + return ((iV1 == b.iV1) && (iV2 == b.iV2)); + } + + inline bool operator!=(const ShortBox& b) const + { + return !((iV1 == b.iV1) && (iV2 == b.iV2)); + } + }; + + //===================================================================== +#ifdef _DEBUG_VMAPS +#ifndef gBoxArray + extern G3D::Vector3 p1,p2,p3,p4,p5,p6,p7; + extern G3D::Array<G3D::AABox>gBoxArray; + extern G3D::Array<G3D::Triangle>gTriArray; + extern int gCount1, gCount2, gCount3, gCount4; + extern bool myfound; +#endif +#endif + + static const G3D::Vector3 dummyZeroPosition = G3D::Vector3(0,0,0); + + class TriangleBox + { + private: + ShortVector _vertex[3]; + //ShortBox iBox; + public: + inline TriangleBox() { } + inline TriangleBox(const ShortVector& pV1, const ShortVector& pV2, const ShortVector& pV3) + { + _vertex[0] = pV1; + _vertex[1] = pV2; + _vertex[2] = pV3; + + } + inline const ShortVector& vertex (int n) const + { + return(_vertex[n]); + } + + inline const ShortBox getBounds()const + { + ShortBox box; + + ShortVector lo = _vertex[0]; + ShortVector hi = lo; + + for (int i = 1; i < 3; ++i) + { + lo = lo.min(_vertex[i]); + hi = hi.max(_vertex[i]); + } + box.setLo(lo); + box.setHi(hi); + return(box); + } + inline const G3D::Vector3& getBasePosition() { return(dummyZeroPosition); } + + inline const G3D::AABox getAABoxBounds() const { ShortBox box = getBounds(); return(G3D::AABox(box.getLo().getVector3(), box.getHi().getVector3())); } + + inline bool operator==(const TriangleBox& t) const + { + return ((_vertex[0] == t._vertex[0]) && (_vertex[1] == t._vertex[1]) &&(_vertex[2] == t._vertex[2])); + } + + inline bool operator!=(const TriangleBox& t) const + { + return !((_vertex[0] == t._vertex[0]) && (_vertex[1] == t._vertex[1]) &&(_vertex[2] == t._vertex[2])); + } + + inline void intersect(const G3D::Ray& pRay, float& pMaxDist, bool /*pStopAtFirstHitDummy*/, G3D::Vector3& /*pOutLocationDummy*/, G3D::Vector3& /*pOutNormalDummy*/) const + { + static const double epsilon = 0.00001; + G3D::Triangle testT(vertex(0).getVector3(),vertex(1).getVector3(),vertex(2).getVector3()); + float t = pRay.intersectionTime(testT); + if ((t < pMaxDist) || t < (pMaxDist + epsilon)) + pMaxDist = t; + else + { + testT = G3D::Triangle(vertex(2).getVector3(),vertex(1).getVector3(),vertex(0).getVector3()); + +#ifdef _DEBUG_VMAPS + { + G3D::Triangle myt(testT.vertex(0)+p6, testT.vertex(1)+p6,testT.vertex(2)+p6); + gTriArray.push_back(myt); + } +#endif + t = pRay.intersectionTime(testT); + if ((t < pMaxDist) || t < (pMaxDist + epsilon)) + pMaxDist = t; + } + } + }; + +} +#endif |