mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-19 20:24:49 +00:00
134 lines
3.8 KiB
C++
134 lines
3.8 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#ifndef _EXTRUDEDPOLYLIST_H_
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#define _EXTRUDEDPOLYLIST_H_
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#ifndef _MMATH_H_
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#include "math/mMath.h"
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#endif
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#ifndef _MPOLYHEDRON_H_
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#include "math/mPolyhedron.h"
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#endif
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#ifndef _TVECTOR_H_
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#include "core/util/tVector.h"
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#endif
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#ifndef _ABSTRACTPOLYLIST_H_
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#include "collision/abstractPolyList.h"
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#endif
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class CollisionList;
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//----------------------------------------------------------------------------
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/// Extruded Polytope PolyList
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///
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/// This class is used primarily for collision detection, by objects which need
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/// to check for obstructions along their path. You feed it a polytope to
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/// extrude along the direction of movement, and it gives you a list of collisions.
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///
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/// @see AbstractPolyList
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class ExtrudedPolyList: public AbstractPolyList
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{
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public:
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struct Vertex {
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Point3F point;
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U32 mask = 0;
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};
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struct Poly {
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PlaneF plane;
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SceneObject* object;
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BaseMatInstance* material;
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Poly() : object(NULL), material(NULL) {}
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~Poly() {}
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};
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struct ExtrudedFace {
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bool active;
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PlaneF plane;
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F32 maxDistance;
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U32 planeMask;
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F32 faceDot;
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F32 faceShift;
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F32 time;
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Point3F point;
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F32 height;
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ExtrudedFace(): active(false), maxDistance(0.0f), planeMask(0), faceDot(0.0f), faceShift(0.0f), time(0.0f), height(0.0f) {}
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~ExtrudedFace() {}
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};
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typedef Vector<ExtrudedFace> ExtrudedList;
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typedef Vector<PlaneF> PlaneList;
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typedef Vector<Vertex> VertexList;
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typedef Vector<U32> IndexList;
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static F32 EqualEpsilon;
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static F32 FaceEpsilon;
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// Internal data
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VertexList mVertexList;
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IndexList mIndexList;
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ExtrudedList mExtrudedList;
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PlaneList mPlaneList;
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VectorF mVelocity;
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VectorF mNormalVelocity;
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Poly mPoly;
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// Returned info
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CollisionList* mCollisionList;
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PlaneList mPolyPlaneList;
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//
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private:
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bool testPoly(ExtrudedFace&);
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public:
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ExtrudedPolyList();
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~ExtrudedPolyList();
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void extrude(const Polyhedron&, const VectorF& vec);
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void setVelocity(const VectorF& velocity);
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void setCollisionList(CollisionList*);
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void adjustCollisionTime();
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// Virtual methods
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bool isEmpty() const;
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U32 addPoint(const Point3F& p);
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U32 addPlane(const PlaneF& plane);
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void begin(BaseMatInstance* material, U32 surfaceKey);
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void plane(U32 v1,U32 v2,U32 v3);
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void plane(const PlaneF& p);
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void plane(const U32 index);
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void vertex(U32 vi);
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void end();
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protected:
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const PlaneF& getIndexedPlane(const U32 index);
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};
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#endif
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