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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.
*
* $URL$
* $Id$
*
*/
/*
* This code is based on original Hugo Trilogy source code
*
* Copyright (c) 1989-1995 David P. Gray
*
*/
#ifndef HUGO_PARSER_H
#define HUGO_PARSER_H
namespace Hugo {
enum seqTextParser {
kTBExit = 0, kTBMaze, kTBNoPoint, kTBNoun, kTBVerb,
kTBEh, kTBUnusual, kTBHave, kTBNoUse, kTBDontHave,
kTBNeed, kTBOk, kCmtAny1, kCmtAny2, kCmtAny3,
kCmtClose, kTBIntro, kTBOutro, kTBUnusual_1d, kCmtAny4,
kCmtAny5, kTBExit_1d, kTBEh_1d, kTBEh_2d, kTBNoUse_2d
};
class Parser {
public:
Parser(HugoEngine *vm);
virtual ~Parser();
bool isWordPresent(char **wordArr) const;
void charHandler();
void command(const char *format, ...);
void keyHandler(Common::Event event);
void switchTurbo();
virtual void lineHandler() = 0;
virtual void showInventory() const = 0;
protected:
HugoEngine *_vm;
int16 _cmdLineIndex; // Index into line
uint32 _cmdLineTick; // For flashing cursor
char _cmdLineCursor;
command_t _cmdLine; // Build command line
char *findNoun() const;
char *findVerb() const;
void showDosInventory() const;
bool _checkDoubleF1Fl; // Flag used to display user help or instructions
uint16 _getIndex; // Index into ring buffer
uint16 _putIndex;
char _ringBuffer[32]; // Ring buffer
private:
static const int kBlinksPerSec = 2; // Cursor blinks per second
};
class Parser_v1d : public Parser {
public:
Parser_v1d(HugoEngine *vm);
~Parser_v1d();
virtual void lineHandler();
virtual void showInventory() const;
protected:
virtual void dropObject(object_t *obj);
virtual bool isBackgroundWord(char *noun, char *verb, objectList_t obj) const;
virtual bool isCatchallVerb(bool testNounFl, char *noun, char *verb, objectList_t obj) const;
virtual bool isGenericVerb(char *word, object_t *obj);
virtual bool isNear(char *verb, char *noun, object_t *obj, char *comment) const;
virtual bool isObjectVerb(char *word, object_t *obj);
virtual void takeObject(object_t *obj);
char *findNextNoun(char *noun) const;
};
class Parser_v2d : public Parser_v1d {
public:
Parser_v2d(HugoEngine *vm);
~Parser_v2d();
void lineHandler();
};
class Parser_v3d : public Parser_v1d {
public:
Parser_v3d(HugoEngine *vm);
~Parser_v3d();
virtual void lineHandler();
protected:
void dropObject(object_t *obj);
bool isBackgroundWord(objectList_t obj) const;
bool isCatchallVerb(objectList_t obj) const;
bool isGenericVerb(object_t *obj, char *comment);
bool isNear(object_t *obj, char *verb, char *comment) const;
bool isObjectVerb(object_t *obj, char *comment);
void takeObject(object_t *obj);
};
class Parser_v1w : public Parser_v3d {
public:
Parser_v1w(HugoEngine *vm);
~Parser_v1w();
virtual void showInventory() const;
void lineHandler();
};
} // End of namespace Hugo
#endif //HUGO_PARSER_H
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