mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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117 lines
4.1 KiB
C++
117 lines
4.1 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 _SCENEPOLYHEDRALOBJECT_H_
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#define _SCENEPOLYHEDRALOBJECT_H_
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#ifndef _MPOLYHEDRON_H_
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#include "math/mPolyhedron.h"
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#endif
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/// Shared interface for polyhedral objects.
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struct IScenePolyhedralObject
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{
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/// Convert the polyhedral object to a raw polyhedron.
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virtual AnyPolyhedron ToAnyPolyhedron() const = 0;
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};
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/// Helper template for mixing a polyhedral volume definition into
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/// the superclass hierarchy of a SceneSpace-derived class.
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template< typename Base, typename P = Polyhedron >
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class ScenePolyhedralObject : public Base, public IScenePolyhedralObject
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{
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public:
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typedef Base Parent;
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typedef P PolyhedronType;
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enum
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{
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MAX_PLANES = 256,
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MAX_POINTS = 256,
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MAX_EDGES = 256
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};
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protected:
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enum
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{
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PolyMask = Parent::NextFreeMask << 0,
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NextFreeMask = Parent::NextFreeMask << 1
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};
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/// Whether the polyhedron corresponds to the object box. If so,
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/// several things can be fast-tracked. For example, serializing the
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/// polyhedron is pointless as it can be easily reconstructed from the
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/// object box on load time. Also, certain operations like containment
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/// tests have significantly faster formulations for AABBs (given that the
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/// input data is transformed into object space) than for general
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/// polyhedrons.
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bool mIsBox;
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/// The polyhedron that defines the volume of the object.
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/// @note Defined in object space by default.
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PolyhedronType mPolyhedron;
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///
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virtual void _renderObject( ObjectRenderInst* ri, SceneRenderState* state, BaseMatInstance* overrideMat );
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public:
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ScenePolyhedralObject()
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: mIsBox( true ) {}
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ScenePolyhedralObject( const PolyhedronType& polyhedron )
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: mIsBox( false ),
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mPolyhedron( polyhedron ) {}
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/// Return the polyhedron that describes the space.
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const PolyhedronType& getPolyhedron() const { return mPolyhedron; }
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// SimObject.
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virtual bool onAdd();
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virtual void writeFields( Stream& stream, U32 tabStop );
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virtual bool writeField( StringTableEntry name, const char* value );
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static void initPersistFields();
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// NetObject.
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virtual U32 packUpdate( NetConnection* connection, U32 mask, BitStream* stream );
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virtual void unpackUpdate( NetConnection* connection, BitStream* stream );
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// SceneObject.
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virtual bool containsPoint( const Point3F& point );
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// IScenePolyhedralObject.
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virtual AnyPolyhedron ToAnyPolyhedron() const { return getPolyhedron(); }
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private:
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static bool _setPlane( void* object, const char* index, const char* data );
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static bool _setPoint( void* object, const char* index, const char* data );
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static bool _setEdge( void* object, const char* index, const char* data );
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};
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#endif // !_SCENEPOLYHEDRALOBJECT_H_
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