90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
/*
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===========================================================================
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Doom 3 GPL Source Code
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Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).
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Doom 3 Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#ifndef GEMODIFIERSTACK_H_
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#define GEMODIFIERSTACK_H_
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#ifndef GEMODIFIER_H_
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#include "GEModifier.h"
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#endif
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class rvGEModifierStack
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{
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public:
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rvGEModifierStack ( );
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~rvGEModifierStack ( );
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void BlockNextMerge ( void );
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bool Append ( rvGEModifier* modifier );
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bool Undo ( void );
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bool Redo ( void );
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void Reset ( void );
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bool CanUndo ( void );
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bool CanRedo ( void );
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rvGEModifier* GetUndoModifier ( void );
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rvGEModifier* GetRedoModifier ( void );
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protected:
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idList<rvGEModifier*> mModifiers;
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int mCurrentModifier;
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bool mMergeBlock;
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};
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ID_INLINE bool rvGEModifierStack::CanRedo ( void )
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{
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return mCurrentModifier < mModifiers.Num()-1;
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}
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ID_INLINE bool rvGEModifierStack::CanUndo ( void )
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{
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return mCurrentModifier >= 0;
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}
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ID_INLINE void rvGEModifierStack::BlockNextMerge ( void )
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{
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mMergeBlock = true;
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}
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ID_INLINE rvGEModifier* rvGEModifierStack::GetUndoModifier ( void )
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{
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assert ( CanUndo ( ) );
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return mModifiers[mCurrentModifier];
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}
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ID_INLINE rvGEModifier* rvGEModifierStack::GetRedoModifier ( void )
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{
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assert ( CanRedo ( ) );
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return mModifiers[mCurrentModifier+1];
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}
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#endif
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