/* 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(5, "ARG_BYTE(" #name " = %d)", name); #define ARG_INT16(name) int16 name = opCall.readSint16(); debug(5, "ARG_INT16(" #name " = %d)", name); #define ARG_UINT32(name) uint32 name = opCall.readUint32(); debug(5, "ARG_UINT32(" #name " = %08X)", name); } // End of namespace Illusions #endif // ILLUSIONS_SCRIPTOPCODES_H