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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/scicore/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) { }
int getMessage(MessageTuple *t);
int getNext();
int getTalker();
int getLength();
void getText(char *buffer);
int loadRes(ResourceManager *resmgr, int module, bool lock);
int isInitialized() { return _initialized; }
void initialize(ResourceManager *resmgr);
void setVersion(int version) { _version = version; }
private:
void parse(IndexRecordCursor *cursor, MessageTuple *t);
void parseRef(IndexRecordCursor *cursor, MessageTuple *t);
void initCursor();
void advanceCursor(bool increaseSeq);
int _initialized;
Resource *_currentResource;
int _module;
int _recordCount;
byte *_indexRecords;
CursorStack _cursorStack;
IndexRecordCursor _engineCursor;
int _version;
};
} // End of namespace Sci
#endif // SCI_ENGINE_MESSAGE_H
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