mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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79 lines
2.7 KiB
C++
79 lines
2.7 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 _OCCLUSIONVOLUME_H_
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#define _OCCLUSIONVOLUME_H_
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#ifndef _SCENEPOLYHEDRALSPACE_H_
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#include "scene/scenePolyhedralSpace.h"
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#endif
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#ifndef _MSILHOUETTEEXTRACTOR_H_
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#include "math/mSilhouetteExtractor.h"
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#endif
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/// A volume in space that blocks visibility.
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class OcclusionVolume : public ScenePolyhedralSpace
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{
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public:
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typedef ScenePolyhedralSpace Parent;
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protected:
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typedef SilhouetteExtractorPerspective< PolyhedronType > SilhouetteExtractorType;
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/// Whether the volume's transform has changed and we need to recompute
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/// transform-based data.
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bool mTransformDirty;
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/// World-space points of the volume's polyhedron.
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Vector< Point3F > mWSPoints;
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/// Silhouette extractor when using perspective projections.
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SilhouetteExtractorType mSilhouetteExtractor;
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// SceneSpace.
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void _renderObject( ObjectRenderInst* ri, SceneRenderState* state, BaseMatInstance* overrideMat ) override;
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public:
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OcclusionVolume();
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// SimObject.
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DECLARE_CONOBJECT( OcclusionVolume );
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DECLARE_DESCRIPTION( "A visibility blocking volume." );
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DECLARE_CATEGORY("Volume");
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bool onAdd() override;
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static void consoleInit();
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// SceneObject.
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void buildSilhouette( const SceneCameraState& cameraState, Vector< Point3F >& outPoints ) override;
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void setTransform( const MatrixF& mat ) override;
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};
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#endif // !_OCCLUSIONVOLUME_H_
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