mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 04:34:48 +00:00
139 lines
4 KiB
C++
139 lines
4 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 _FEATURESET_H_
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#define _FEATURESET_H_
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#ifndef _TORQUE_STRING_H_
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#include "core/util/str.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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//
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class FeatureSet
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{
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protected:
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struct FeatureInfo
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{
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const FeatureType* type;
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S32 index;
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};
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/// The list of featurs.
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Vector<FeatureInfo> mFeatures;
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/// A string representation of all the
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/// features used for comparisons.
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String mDescription;
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///
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static S32 _typeCmp( const FeatureInfo* a, const FeatureInfo *b );
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///
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void _rebuildDesc();
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public:
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FeatureSet()
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{
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}
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FeatureSet( const FeatureSet &h )
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: mFeatures( h.mFeatures ),
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mDescription( h.mDescription )
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{
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}
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FeatureSet& operator =( const FeatureSet &h );
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/// Equality operators.
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inline bool operator != ( const FeatureSet &h ) const { return h.getDescription() != getDescription(); }
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inline bool operator == ( const FeatureSet &h ) const { return h.getDescription() == getDescription(); }
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bool operator []( const FeatureType &type ) const { return hasFeature( type ); }
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/// Returns true if the feature set is empty.
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bool isEmpty() const { return mFeatures.empty(); }
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/// Returns true if the feature set is not empty.
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bool isNotEmpty() const { return !mFeatures.empty(); }
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/// Return the description string which uniquely identifies this feature set.
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const String& getDescription() const;
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/// Returns the feature count.
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U32 getCount() const { return mFeatures.size(); }
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/// Returns the feature at the index and optionally
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/// the feature index when it was added.
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const FeatureType& getAt( U32 index, S32 *outIndex = NULL ) const;
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/// Returns true if this handle has this feature.
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bool hasFeature( const FeatureType &type, S32 index = -1 ) const;
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///
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void setFeature( const FeatureType &type, bool set, S32 index = -1 );
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///
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void addFeature( const FeatureType &type, S32 index = -1 );
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///
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void removeFeature( const FeatureType &type );
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///
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S32 getNextFeatureIndex( const FeatureType &type, S32 index ) const;
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/// Removes features that are not in the input set.
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void filter( const FeatureSet &features );
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/// Removes features that are in the input set.
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void exclude( const FeatureSet &features );
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///
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void merge( const FeatureSet &features );
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/// Clears all features.
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void clear();
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/// Default empty feature set.
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static const FeatureSet EmptySet;
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};
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inline const String& FeatureSet::getDescription() const
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{
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// Update the description if its empty and we have features.
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if ( mDescription.isEmpty() && !mFeatures.empty() )
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const_cast<FeatureSet*>(this)->_rebuildDesc();
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return mDescription;
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}
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#endif // _FEATURESET_H_
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