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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 MYST_SCRIPTS_H
#define MYST_SCRIPTS_H
#include "common/ptr.h"
#include "common/scummsys.h"
#include "common/util.h"
namespace Mohawk {
#define DECLARE_OPCODE(x) void x(uint16 op, uint16 var, uint16 argc, uint16 *argv)
class MohawkEngine_Myst;
class MystResource;
enum MystScriptType {
kMystScriptNone,
kMystScriptNormal,
kMystScriptInit,
kMystScriptExit
};
struct MystScriptEntry {
MystScriptEntry();
~MystScriptEntry();
MystScriptType type;
uint16 resourceId;
uint16 opcode;
uint16 var;
uint16 argc;
uint16 *argv;
uint16 u1;
};
typedef Common::SharedPtr<Common::Array<MystScriptEntry> > MystScript;
class MystScriptParser {
public:
MystScriptParser(MohawkEngine_Myst *vm);
virtual ~MystScriptParser();
void runScript(MystScript script, MystResource *invokingResource = NULL);
void runOpcode(uint16 op, uint16 var = 0, uint16 argc = 0, uint16 *argv = NULL);
const char *getOpcodeDesc(uint16 op);
MystScript readScript(Common::SeekableReadStream *stream, MystScriptType type);
void setInvokingResource(MystResource *resource) { _invokingResource = resource; }
virtual void disablePersistentScripts() = 0;
virtual void runPersistentScripts() = 0;
virtual uint16 getVar(uint16 var);
virtual void toggleVar(uint16 var);
virtual bool setVarValue(uint16 var, uint16 value);
void animatedUpdate(uint16 argc, uint16 *argv, uint16 delay);
DECLARE_OPCODE(unknown);
DECLARE_OPCODE(o_toggleVar);
DECLARE_OPCODE(o_setVar);
DECLARE_OPCODE(o_changeCardSwitch);
DECLARE_OPCODE(o_takePage);
DECLARE_OPCODE(o_redrawCard);
DECLARE_OPCODE(o_goToDest);
DECLARE_OPCODE(o_triggerMovie);
DECLARE_OPCODE(o_toggleVarNoRedraw);
DECLARE_OPCODE(o_drawAreaState);
DECLARE_OPCODE(o_redrawAreaForVar);
DECLARE_OPCODE(o_changeCardDirectional);
DECLARE_OPCODE(o_changeCardPush);
DECLARE_OPCODE(o_changeCardPop);
DECLARE_OPCODE(o_enableAreas);
DECLARE_OPCODE(o_disableAreas);
DECLARE_OPCODE(o_directionalUpdate);
DECLARE_OPCODE(o_toggleAreasActivation);
DECLARE_OPCODE(o_playSound);
DECLARE_OPCODE(o_stopSoundBackground);
DECLARE_OPCODE(o_playSoundBlocking);
DECLARE_OPCODE(o_restoreDefaultRect);
DECLARE_OPCODE(o_blitRect);
DECLARE_OPCODE(o_changeSound);
DECLARE_OPCODE(o_soundPlaySwitch);
DECLARE_OPCODE(o_soundResumeBackground);
DECLARE_OPCODE(o_changeCard);
DECLARE_OPCODE(o_drawImageChangeCard);
DECLARE_OPCODE(o_changeMainCursor);
DECLARE_OPCODE(o_hideCursor);
DECLARE_OPCODE(o_showCursor);
DECLARE_OPCODE(o_delay);
DECLARE_OPCODE(o_changeStack);
DECLARE_OPCODE(o_changeCardPlaySoundDirectional);
DECLARE_OPCODE(o_directionalUpdatePlaySound);
DECLARE_OPCODE(o_saveMainCursor);
DECLARE_OPCODE(o_restoreMainCursor);
DECLARE_OPCODE(o_soundWaitStop);
DECLARE_OPCODE(NOP);
protected:
MohawkEngine_Myst *_vm;
typedef void (MystScriptParser::*OpcodeProcMyst)(uint16 op, uint16 var, uint16 argc, uint16* argv);
struct MystOpcode {
MystOpcode(uint16 o, OpcodeProcMyst p, const char *d) : op(o), proc(p), desc(d) {}
uint16 op;
OpcodeProcMyst proc;
const char *desc;
};
Common::Array<MystOpcode*> _opcodes;
MystResource *_invokingResource;
uint16 _savedCardId;
uint16 _savedCursorId;
int16 _tempVar; // Generic temp var used by the scripts
static const uint8 _stackMap[];
static const uint16 _startCard[];
void setupCommonOpcodes();
void varUnusedCheck(uint16 op, uint16 var);
};
} // End of namespace Mohawk
#undef DECLARE_OPCODE
#endif
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