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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef SCI_ENGINE_MESSAGE_H
#define SCI_ENGINE_MESSAGE_H
#include "sci/resource.h"
#include "common/stack.h"
namespace Sci {
struct MessageTuple {
int noun;
int verb;
int cond;
int seq;
};
struct IndexRecordCursor {
byte *index_record;
int index;
int nextSeq;
};
typedef Common::Stack<IndexRecordCursor> CursorStack;
class MessageState {
public:
MessageState() : _module(-1), _locked(false) { }
int findTuple(MessageTuple &t);
MessageTuple getTuple();
MessageTuple getRefTuple();
int getMessage();
void gotoNext();
char *getText();
int getTalker();
int getLength();
MessageTuple &getLastTuple();
int getLastModule();
int loadRes(ResourceManager *resmgr, int module, bool lock);
private:
void initCursor();
void advanceCursor(bool increaseSeq);
Resource *_currentResource;
int _module;
bool _locked;
int _recordCount;
byte *_indexRecords;
CursorStack _cursorStack;
IndexRecordCursor _engineCursor;
MessageTuple _lastReturned;
int _lastReturnedModule;
int _version;
};
} // End of namespace Sci
#endif // SCI_ENGINE_MESSAGE_H
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