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/*
This file is part of Advanced Strategic Command; http://www.asc-hq.de
Copyright (C) 1994-2008 Martin Bickel and Marc Schellenberger
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
*/
#ifndef actionContainerH
#define actionContainerH
#include <list>
#include <map>
#include <sigc++/sigc++.h>
#include "loki/Functor.h"
#include "loki/Typelist.h"
#include "command.h"
#include "commandwriter.h"
class ActionContainer {
GameMap* map;
public:
typedef vector<Command*> Actions;
private:
Actions actions;
Actions::iterator currentPos;
typedef std::map<const Command*,bool> CommandState;
CommandState commandState_request;
CommandState commandState_map;
void initCommandState( CommandState& commandState );
public:
ActionContainer( GameMap* gamemap );
void add( Command* action );
//! returns if the command is active in the current map's state
bool isActive_map( const Command* action ) const ;
//! returns if the command is active in the queued command list
bool isActive_req( const Command* action );
void setActive( const Command* action, bool active );
const Actions& getActions() const { return actions; };
//! does a single undo step
ActionResult undo( const Context& context );
//! does a single redo step
ActionResult redo( const Context& context );
//! reruns the necessary commands to propage take the changes done by setActive to the map
ActionResult rerun( const Context& context );
//! to be called when some modification to the map is taking place that is not recorded by undo
void breakUndo();
void read ( tnstream& stream );
void write ( tnstream& stream );
void getCommands( AbstractCommandWriter& writer );
void getActionDescriptions( vector<ASCString>& list );
//! signales an executed Command. The command can still be undone after postActionExecution
static SigC::Signal2<void,GameMap*,const Command&> postActionExecution;
/** The command, which has already been executed, is finally commited and will not be undone any more
This may be used to store it in the replay structure */
static SigC::Signal2<void,GameMap*,const Command&> commitCommand;
static SigC::Signal1<void,GameMap*> actionListChanged;
~ActionContainer();
};
#endif
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