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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.
*
*/
#ifndef ILLUSIONS_SCRIPTOPCODES_H
#define ILLUSIONS_SCRIPTOPCODES_H
#include "common/func.h"
namespace Illusions {
class IllusionsEngine;
class ScriptThread;
struct OpCall {
byte _op;
byte _opSize;
uint32 _threadId;
uint32 _callerThreadId;
int16 _deltaOfs;
byte *_code;
int _result;
void skip(uint size);
byte readByte();
int16 readSint16();
uint32 readUint32();
};
typedef Common::Functor2<ScriptThread*, OpCall&, void> ScriptOpcode;
class ScriptOpcodes {
public:
ScriptOpcodes(IllusionsEngine *vm);
virtual ~ScriptOpcodes();
void execOpcode(ScriptThread *scriptThread, OpCall &opCall);
protected:
IllusionsEngine *_vm;
ScriptOpcode *_opcodes[256];
Common::String _opcodeNames[256];
virtual void initOpcodes() {}
virtual void freeOpcodes() {}
};
// Convenience macros
#define ARG_SKIP(x) opCall.skip(x);
#define ARG_BYTE(name) byte name = opCall.readByte(); debug(0, "ARG_BYTE(" #name " = %d)", name);
#define ARG_INT16(name) int16 name = opCall.readSint16(); debug(0, "ARG_INT16(" #name " = %d)", name);
#define ARG_UINT32(name) uint32 name = opCall.readUint32(); debug(0, "ARG_UINT32(" #name " = %08X)", name);
} // End of namespace Illusions
#endif // ILLUSIONS_SCRIPTOPCODES_H
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