scummvm/engines/dragons/sequenceopcodes.h
2020-02-25 14:43:42 +01:00

97 lines
3.1 KiB
C++

/* 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 DRAGONS_SEQUENCEOPCODES_H
#define DRAGONS_SEQUENCEOPCODES_H
#include "common/func.h"
#include "common/str.h"
namespace Dragons {
#define DRAGONS_NUM_SEQ_OPCODES 22
class DragonsEngine;
class Actor;
struct OpCall {
byte _op;
byte _opSize;
int32 _deltaOfs;
byte *_code;
int _result;
void skip(uint size);
byte readByte();
int16 readSint16();
uint32 readUint32();
};
// 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_INT8(name) int8 name = opCall.readByte(); debug(5, "ARG_INT8(" #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);
typedef Common::Functor2<Actor*, OpCall&, void> SequenceOpcode;
class SequenceOpcodes {
public:
SequenceOpcodes(DragonsEngine *vm);
~SequenceOpcodes();
void execOpcode(Actor *actor, OpCall &opCall);
protected:
DragonsEngine *_vm;
SequenceOpcode *_opcodes[DRAGONS_NUM_SEQ_OPCODES];
Common::String _opcodeNames[DRAGONS_NUM_SEQ_OPCODES];
void initOpcodes();
void freeOpcodes();
void updateReturn(OpCall &opCall, uint16 size);
// Opcodes
void opSetFramePointer(Actor *actor, OpCall &opCall);
void opSetFramePointerAndStop(Actor *actor, OpCall &opCall);
void opJmp(Actor *actor, OpCall &opCall);
void opSetSequenceTimerStartValue(Actor *actor, OpCall &opCall);
void opSetSequenceTimer(Actor *actor, OpCall &opCall);
void opUpdateXYResetSeqTimer(Actor *actor, OpCall &opCall);
void opUpdateXYResetSeqTimerAndStop(Actor *actor, OpCall &opCall);
void opSetActorFlag4AndStop(Actor *actor, OpCall &opCall);
void opSetActorFlags404(Actor *actor, OpCall &opCall);
void opClearActorFlag400(Actor *actor, OpCall &opCall);
void opChangeSequence(Actor *actor, OpCall &opCall);
void opSetField7a(Actor *actor, OpCall &opCall);
void opUpdateFlags(Actor *actor, OpCall &opCall);
void opPlaySound(Actor *actor, OpCall &opCall);
void opSetXY(Actor *actor, OpCall &opCall);
void opSetXYAndStop(Actor *actor, OpCall &opCall);
};
} // End of namespace Dragons
#endif // DRAGONS_SEQUENCEOPCODES_H