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69 lines
2 KiB
C++
69 lines
2 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef ILLUSIONS_SCRIPTOPCODES_H
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#define ILLUSIONS_SCRIPTOPCODES_H
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#include "common/func.h"
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namespace Illusions {
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class IllusionsEngine;
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class ScriptThread;
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struct OpCall {
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byte _op;
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byte _opSize;
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uint32 _threadId;
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uint32 _callerThreadId;
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int16 _deltaOfs;
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byte *_code;
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int _result;
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void skip(uint size);
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byte readByte();
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int16 readSint16();
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uint32 readUint32();
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};
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typedef Common::Functor2<ScriptThread*, OpCall&, void> ScriptOpcode;
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class ScriptOpcodes {
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public:
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ScriptOpcodes(IllusionsEngine *vm);
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virtual ~ScriptOpcodes();
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void execOpcode(ScriptThread *scriptThread, OpCall &opCall);
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protected:
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IllusionsEngine *_vm;
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ScriptOpcode *_opcodes[256];
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Common::String _opcodeNames[256];
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virtual void initOpcodes() {}
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virtual void freeOpcodes() {}
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};
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// Convenience macros
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#define ARG_SKIP(x) opCall.skip(x);
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#define ARG_BYTE(name) byte name = opCall.readByte(); debug(5, "ARG_BYTE(" #name " = %d)", name);
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#define ARG_INT16(name) int16 name = opCall.readSint16(); debug(5, "ARG_INT16(" #name " = %d)", name);
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#define ARG_UINT32(name) uint32 name = opCall.readUint32(); debug(5, "ARG_UINT32(" #name " = %08X)", name);
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} // End of namespace Illusions
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#endif // ILLUSIONS_SCRIPTOPCODES_H
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