scummvm/engines/dragons/scriptopcodes.h
2021-12-26 18:48:43 +01:00

129 lines
4.2 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef DRAGONS_SCRIPTOPCODES_H
#define DRAGONS_SCRIPTOPCODES_H
#include "common/func.h"
#include "common/str.h"
namespace Dragons {
#define DRAGONS_NUM_SCRIPT_OPCODES 0x23
class DragonsEngine;
struct ScriptOpCall {
byte _op;
byte *_base;
byte *_code;
byte *_codeEnd;
int _field8;
int _result;
ScriptOpCall(byte *start, uint32 length);
void skip(uint size);
byte readByte();
int16 readSint16();
uint32 readUint32();
};
typedef Common::Functor1<ScriptOpCall&, void> ScriptOpcode;
class DragonFLG;
class SpecialOpcodes;
class ScriptOpcodes {
public:
ScriptOpcodes(DragonsEngine *vm, DragonFLG *dragonFLG);
~ScriptOpcodes();
void runScript(ScriptOpCall &scriptOpCall);
void runScript3(ScriptOpCall &scriptOpCall);
bool runScript4(ScriptOpCall &scriptOpCall);
void execOpcode(ScriptOpCall &scriptOpCall);
void executeScriptLoop(ScriptOpCall &scriptOpCall);
void loadTalkDialogEntries(ScriptOpCall &scriptOpCall);
int16 _numDialogStackFramesToPop;
int16 _scriptTargetINI;
SpecialOpcodes *_specialOpCodes;
protected:
DragonsEngine *_vm;
DragonFLG *_dragonFLG;
ScriptOpcode *_opcodes[DRAGONS_NUM_SCRIPT_OPCODES];
Common::String _opcodeNames[DRAGONS_NUM_SCRIPT_OPCODES];
void initOpcodes();
void freeOpcodes();
void updateReturn(ScriptOpCall &scriptOpCall, uint16 size);
// Opcodes
void opUnk1(ScriptOpCall &scriptOpCall);
void opAddDialogChoice(ScriptOpCall &scriptOpCall);
void opPopDialogStack(ScriptOpCall &scriptOpCall);
void opExecuteScript(ScriptOpCall &scriptOpCall); //op 4
void opSetActorDirection(ScriptOpCall &scriptOpCall); //op 5
void opPerformActionOnObject(ScriptOpCall &scriptOpCall);
void opMoveObjectToScene(ScriptOpCall &scriptOpCall);
void opActorLoadSequence(ScriptOpCall &scriptOpCall);
void opSetVariable(ScriptOpCall &scriptOpCall);
void opRunSpecialOpCode(ScriptOpCall &scriptOpCall); //op B
void opPlayOrStopSound(ScriptOpCall &scriptOpCall);
void opDelay(ScriptOpCall &scriptOpCall); //op D
void opMoveActorToPoint(ScriptOpCall &scriptOpCall);
void opMoveActorToXY(ScriptOpCall &scriptOpCall);
void opMoveActorToObject(ScriptOpCall &scriptOpCall);
void opUnk11FlickerTalk(ScriptOpCall &scriptOpCall);
void opLoadScene(ScriptOpCall &scriptOpCall);
void opIfStatement(ScriptOpCall &scriptOpCall);
void opIfElseStatement(ScriptOpCall &scriptOpCall);
void opUnk15PropertiesRelated(ScriptOpCall &scriptOpCall);
void opUnk16(ScriptOpCall &scriptOpCall);
void opWaitForActorSequenceToFinish(ScriptOpCall &scriptOpCall);
void opDialogAtPoint(ScriptOpCall &scriptOpCall);
void opExecuteObjectSceneScript(ScriptOpCall &scriptOpCall);
void opUpdatePaletteCycling(ScriptOpCall &scriptOpCall);
void opWaitForActorToFinishWalking(ScriptOpCall &scriptOpCall);
void opShowActor(ScriptOpCall &scriptOpCall);
void opHideActor(ScriptOpCall &scriptOpCall);
void opSetActorFlag0x1000(ScriptOpCall &scriptOpCall);
void opPlayMusic(ScriptOpCall &scriptOpCall);
void opPreLoadSceneData(ScriptOpCall &scriptOpCall);
void opPauseCurrentSpeechAndFetchNextDialog(ScriptOpCall &scriptOpCall);
bool evaluateExpression(ScriptOpCall &scriptOpCall);
void setVariable(ScriptOpCall &scriptOpCall);
void opCode_Unk7(ScriptOpCall &scriptOpCall);
void opCodeActorTalk(ScriptOpCall &scriptOpCall); // 0x22
// misc
uint16 getINIField(uint32 iniIndex, uint16 fieldOffset);
void setINIField(uint32 iniIndex, uint16 fieldOffset, uint16 value);
};
} // End of namespace Dragons
#endif // DRAGONS_SCRIPTOPCODES_H