mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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89 lines
2.7 KiB
C++
89 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 _FEATUREMGR_H_
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#define _FEATUREMGR_H_
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#ifndef _TSINGLETON_H_
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#include "core/util/tSingleton.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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class FeatureType;
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class ShaderFeature;
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/// Used by the feature manager.
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struct FeatureInfo
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{
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const FeatureType *type;
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ShaderFeature *feature;
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};
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///
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class FeatureMgr
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{
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protected:
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bool mNeedsSort;
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typedef Vector<FeatureInfo> FeatureInfoVector;
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FeatureInfoVector mFeatures;
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static S32 QSORT_CALLBACK _featureInfoCompare( const FeatureInfo *a, const FeatureInfo *b );
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public:
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FeatureMgr();
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~FeatureMgr();
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/// Returns the count of registered features.
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U32 getFeatureCount() const { return mFeatures.size(); }
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/// Returns the feature info at the index.
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const FeatureInfo& getAt( U32 index );
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///
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ShaderFeature* getByType( const FeatureType &type );
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// Allows other systems to add features. index is
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// the enum in GFXMaterialFeatureData.
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void registerFeature( const FeatureType &type,
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ShaderFeature *feature );
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// Unregister a feature.
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void unregisterFeature( const FeatureType &type );
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/// Removes all features.
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void unregisterAll();
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// For ManagedSingleton.
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static const char* getSingletonName() { return "FeatureMgr"; }
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};
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// Helper for accessing the feature manager singleton.
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#define FEATUREMGR ManagedSingleton<FeatureMgr>::instance()
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#endif // FEATUREMGR
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