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-rw-r--r--src/shared/vmap/ShortBox.h148
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diff --git a/src/shared/vmap/ShortBox.h b/src/shared/vmap/ShortBox.h
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+/*
+ * 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