mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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83 lines
2.7 KiB
C++
83 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 _DECALSPHERE_H_
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#define _DECALSPHERE_H_
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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 _MSPHERE_H_
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#include "math/mSphere.h"
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#endif
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class DecalInstance;
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class SceneZoneSpaceManager;
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/// A bounding sphere in world space and a list of DecalInstance(s)
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/// contained by it. DecalInstance(s) are organized/binned in this fashion
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/// as a lookup and culling optimization.
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class DecalSphere
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{
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public:
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static F32 smDistanceTolerance;
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static F32 smRadiusTolerance;
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DecalSphere()
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{
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VECTOR_SET_ASSOCIATION( mItems );
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VECTOR_SET_ASSOCIATION( mZones );
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}
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DecalSphere( const Point3F &position, F32 radius )
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{
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VECTOR_SET_ASSOCIATION( mItems );
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VECTOR_SET_ASSOCIATION( mZones );
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mWorldSphere.center = position;
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mWorldSphere.radius = radius;
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}
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/// Recompute #mWorldSphere from the current instance list.
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void updateWorldSphere();
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/// Recompute the zoning information from the current bounds.
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void updateZoning( SceneZoneSpaceManager* zoneManager );
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/// Decal instances in this sphere.
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Vector< DecalInstance* > mItems;
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/// Zones that intersect with this sphere. If this is empty, the zoning
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/// state of the sphere is uninitialized.
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Vector< U32 > mZones;
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/// World-space sphere corresponding to this DecalSphere.
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SphereF mWorldSphere;
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///
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bool tryAddItem( DecalInstance* inst );
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};
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#endif // !_DECALSPHERE_H_
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