2011-11-22 21:28:15 +00:00
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/*
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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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2011-12-06 16:14:59 +00:00
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This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
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2011-11-22 21:28:15 +00:00
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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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//start operation
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void Undo_Start(char *operation);
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//end operation
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void Undo_End(void);
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//add brush to the undo
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void Undo_AddBrush(brush_t *pBrush);
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//add a list with brushes to the undo
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void Undo_AddBrushList(brush_t *brushlist);
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//end a brush after the operation is performed
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void Undo_EndBrush(brush_t *pBrush);
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//end a list with brushes after the operation is performed
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void Undo_EndBrushList(brush_t *brushlist);
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//add entity to undo
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void Undo_AddEntity(entity_t *entity);
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//end an entity after the operation is performed
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void Undo_EndEntity(entity_t *entity);
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//undo last operation
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void Undo_Undo(void);
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//redo last undone operation
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void Undo_Redo(void);
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//returns true if there is something to be undone available
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int Undo_UndoAvailable(void);
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//returns true if there is something to redo available
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int Undo_RedoAvailable(void);
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//clear the undo buffer
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void Undo_Clear(void);
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//set maximum undo size (default 64)
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void Undo_SetMaxSize(int size);
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//get maximum undo size
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int Undo_GetMaxSize(void);
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//set maximum undo memory in bytes (default 2 MB)
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void Undo_SetMaxMemorySize(int size);
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//get maximum undo memory in bytes
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int Undo_GetMaxMemorySize(void);
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//returns the amount of memory used by undo
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int Undo_MemorySize(void);
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