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script.cpp
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script.cpp
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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.
*
*/
#include "prince/script.h"
#include "prince/prince.h"
#include "prince/flags.h"
#include "prince/variatxt.h"
#include "prince/font.h"
#include "prince/hero.h"
#include "prince/resource.h"
#include "prince/animation.h"
#include "common/debug.h"
#include "common/debug-channels.h"
#include "common/stream.h"
#include "common/archive.h"
#include "common/memstream.h"
namespace Prince {
static const uint16 NUM_OPCODES = 144;
Room::Room() {}
bool Room::loadRoom(byte *roomData) {
int roomSize = 64;
Common::MemoryReadStream roomStream(roomData, roomSize);
_mobs = roomStream.readSint32LE();
_backAnim = roomStream.readSint32LE();
_obj = roomStream.readSint32LE();
_nak = roomStream.readSint32LE();
_itemUse = roomStream.readSint32LE();
_itemGive = roomStream.readSint32LE();
_walkTo = roomStream.readSint32LE();
_examine = roomStream.readSint32LE();
_pickup = roomStream.readSint32LE();
_use = roomStream.readSint32LE();
_pushOpen = roomStream.readSint32LE();
_pullClose = roomStream.readSint32LE();
_talk = roomStream.readSint32LE();
_give = roomStream.readSint32LE();
return true;
}
/*
void Room::loadMobs(Common::SeekableReadStream &stream) {
debug("loadMobs %d", stream.pos());
static const uint8 MAX_MOBS = 64;
uint8 mobs[MAX_MOBS];
stream.read(&mobs, sizeof(mobs));
for (uint8 i = 0; i < sizeof(mobs); i++) {
debug("mob %d flag %d", i, mobs[i]);
}
}
void Room::loadBackAnim(Common::SeekableReadStream &stream) {
debug("loadBackAnim %d", stream.pos());
static const uint8 MAX_BACK_ANIMS = 64;
uint32 backAnim[MAX_BACK_ANIMS];
debug("loadBackAnim sizeof %lu", sizeof(backAnim));
stream.read(backAnim, sizeof(backAnim));
for (uint8 i = 0; i < MAX_BACK_ANIMS; i++) {
debug("back anim offset %d", backAnim[i]);
}
}
void Room::loadObj(Common::SeekableReadStream &stream) {}
void Room::loadNak(Common::SeekableReadStream &stream) {}
void Room::loadItemUse(Common::SeekableReadStream &stream) {}
void Room::loadItemGive(Common::SeekableReadStream &stream) {}
void Room::loadWalkTo(Common::SeekableReadStream &stream) {}
void Room::loadExamine(Common::SeekableReadStream &stream) {}
void Room::loadPickup(Common::SeekableReadStream &stream) {}
void Room::loadUse(Common::SeekableReadStream &stream) {}
void Room::loadPushOpen(Common::SeekableReadStream &stream) {}
void Room::loadPullClose(Common::SeekableReadStream &stream) {}
void Room::loadTalk(Common::SeekableReadStream &stream) {}
void Room::loadGive(Common::SeekableReadStream &stream) {}
*/
/*
void Room::nextLoadStep(Common::SeekableReadStream &stream, LoadingStep step) {
uint32 offset = stream.readUint32LE();
uint32 pos = stream.pos();
stream.seek(offset);
debug("nextLoadStep offset %d, pos %d", offset, pos);
(this->*step)(stream);
stream.seek(pos);
}
*/
/*
bool Room::loadFromStream(Common::SeekableReadStream &stream) {
uint32 pos = stream.pos();
nextLoadStep(stream, &Room::loadMobs);
nextLoadStep(stream, &Room::loadBackAnim);
nextLoadStep(stream, &Room::loadObj);
nextLoadStep(stream, &Room::loadNak);
nextLoadStep(stream, &Room::loadItemUse);
nextLoadStep(stream, &Room::loadItemGive);
nextLoadStep(stream, &Room::loadWalkTo);
nextLoadStep(stream, &Room::loadExamine);
nextLoadStep(stream, &Room::loadPickup);
nextLoadStep(stream, &Room::loadUse);
nextLoadStep(stream, &Room::loadPushOpen);
nextLoadStep(stream, &Room::loadPullClose);
nextLoadStep(stream, &Room::loadTalk);
nextLoadStep(stream, &Room::loadGive);
// skip some data for now
static const uint8 ROOM_ENTRY_SIZE = 64;
stream.seek(pos + ROOM_ENTRY_SIZE);
return true;
}
*/
Script::Script(PrinceEngine *vm) : _vm(vm), _data(nullptr), _dataSize(0) {
}
Script::~Script() {
delete[] _data;
_dataSize = 0;
_data = nullptr;
}
bool Script::loadFromStream(Common::SeekableReadStream &stream) {
_dataSize = stream.size();
if (!_dataSize)
return false;
_data = new byte[_dataSize];
if (!_data)
return false;
stream.read(_data, _dataSize);
Common::MemoryReadStream scriptDataStream(_data, _dataSize);
_scriptInfo.rooms = scriptDataStream.readSint32LE();
_scriptInfo.startGame = scriptDataStream.readSint32LE();
_scriptInfo.restoreGame = scriptDataStream.readSint32LE();
_scriptInfo.stdExamine = scriptDataStream.readSint32LE();
_scriptInfo.stdPickup = scriptDataStream.readSint32LE();
_scriptInfo.stdUse = scriptDataStream.readSint32LE();
_scriptInfo.stdOpen = scriptDataStream.readSint32LE();
_scriptInfo.stdClose = scriptDataStream.readSint32LE();
_scriptInfo.stdTalk = scriptDataStream.readSint32LE();
_scriptInfo.stdGive = scriptDataStream.readSint32LE();
_scriptInfo.usdCode = scriptDataStream.readSint32LE();
_scriptInfo.invObjExam = scriptDataStream.readSint32LE();
_scriptInfo.invObjUse = scriptDataStream.readSint32LE();
_scriptInfo.invObjUU = scriptDataStream.readSint32LE();
_scriptInfo.stdUseItem = scriptDataStream.readSint32LE();
_scriptInfo.lightSources = scriptDataStream.readSint32LE();
_scriptInfo.specRout = scriptDataStream.readSint32LE();
_scriptInfo.invObjGive = scriptDataStream.readSint32LE();
_scriptInfo.stdGiveItem = scriptDataStream.readSint32LE();
_scriptInfo.goTester = scriptDataStream.readSint32LE();
return true;
}
int16 Script::getLightX(int locationNr) {
return (int)READ_UINT16(&_data[_scriptInfo.lightSources + locationNr * 8]);
}
int16 Script::getLightY(int locationNr) {
return (int)READ_UINT16(&_data[_scriptInfo.lightSources + locationNr * 8 + 2]);
}
int32 Script::getShadowScale(int locationNr) {
return (int)READ_UINT16(&_data[_scriptInfo.lightSources + locationNr * 8 + 4]);
}
uint32 Script::getStartGameOffset() {
return _scriptInfo.startGame;
}
uint8 *Script::getRoomOffset(int locationNr) {
return &_data[_scriptInfo.rooms + locationNr * 64];
}
struct RE {
int16 _mob; // number of Mob, -1 for end of list
int32 _code; // offset of code in script
};
int Script::scanInvObjExamEvents(int mobMask) {
RE tempRE;
int i = 0;
do {
tempRE._mob = (int)READ_UINT16(&_data[_scriptInfo.invObjExam + i * 6]);
debug("mob: %d", tempRE._mob);
tempRE._code = (int)READ_UINT32(&_data[_scriptInfo.invObjExam + i * 6 + 2]);
debug("code: %d", tempRE._code);
if (tempRE._mob == mobMask) {
return tempRE._code;
}
i++;
} while (tempRE._mob != -1); //?? || i <= 1 or without this (no items there)
return -1; // or sth else?
}
int Script::scanInvObjUseEvents(int mobMask) {
RE tempRE;
int i = 0;
do {
tempRE._mob = (int)READ_UINT16(&_data[_scriptInfo.invObjUse + i * 6]);
debug("mob: %d", tempRE._mob);
tempRE._code = (int)READ_UINT32(&_data[_scriptInfo.invObjUse + i * 6 + 2]);
debug("code: %d", tempRE._code);
if (tempRE._mob == mobMask) {
return tempRE._code;
}
i++;
} while (tempRE._mob != -1); //?? || i <= 1 or without this (no items there)
return -1; // or sth else?
}
void Script::installSingleBackAnim(Common::Array<BackgroundAnim> &_backanimList, int offset) {
BackgroundAnim newBackgroundAnim;
int animOffset = READ_UINT32(&_data[offset]);
int anims = READ_UINT32(&_data[animOffset + 8]);
if (anims == 0) {
anims = 1;
}
if (animOffset != 0) {
for (int i = 0; i < anims; i++) {
Anim newAnim;
newAnim._basaData._num = READ_UINT16(&_data[animOffset + 28 + i * 8]);
newAnim._basaData._start = READ_UINT16(&_data[animOffset + 28 + i * 8 + 2]);
newAnim._basaData._end = READ_UINT16(&_data[animOffset + 28 + i * 8 + 4]);
int animNumber = newAnim._basaData._num;
const Common::String animName = Common::String::format("AN%02d", animNumber);
const Common::String shadowName = Common::String::format("AN%02dS", animNumber);
newAnim._animData = new Animation();
newAnim._shadowData = new Animation();
Resource::loadResource(newAnim._animData, animName.c_str(), true);
if (!Resource::loadResource(newAnim._shadowData, shadowName.c_str(), false)) {
delete newAnim._shadowData;
newAnim._shadowData = nullptr;
}
newAnim._usage = 0;
newAnim._state = 0; // enabled
if ((_vm->_animList[animNumber]._flags & 4) != 0) {
newAnim._state = 1;
newAnim._frame = _vm->_animList[animNumber]._endPhase;
newAnim._showFrame = _vm->_animList[animNumber]._endPhase;
} else {
newAnim._frame = _vm->_animList[animNumber]._startPhase;
newAnim._showFrame = _vm->_animList[animNumber]._startPhase;
}
newAnim._flags = _vm->_animList[animNumber]._flags;
newAnim._lastFrame = _vm->_animList[animNumber]._endPhase;
newAnim._loopFrame = _vm->_animList[animNumber]._loopPhase;
newAnim._loopType = _vm->_animList[animNumber]._loopType;
newAnim._nextAnim = _vm->_animList[animNumber]._nextAnim;
newAnim._x = _vm->_animList[animNumber]._x;
newAnim._y = _vm->_animList[animNumber]._y;
newAnim._currFrame = 0;
newAnim._currX = _vm->_animList[animNumber]._x;
newAnim._currY = _vm->_animList[animNumber]._y;
newAnim._currW = 0;
newAnim._currH = 0;
newAnim._packFlag = 0;
newAnim._shadowBack = _vm->_animList[animNumber]._type;
newBackgroundAnim.backAnims.push_back(newAnim);
}
newBackgroundAnim._seq._type = READ_UINT32(&_data[animOffset]);
newBackgroundAnim._seq._data = READ_UINT32(&_data[animOffset + 4]);
newBackgroundAnim._seq._anims = READ_UINT32(&_data[animOffset + 8]);
newBackgroundAnim._seq._current = newBackgroundAnim.backAnims[0]._basaData._num;
newBackgroundAnim._seq._counter = 0;
newBackgroundAnim._seq._currRelative = 0;
newBackgroundAnim._seq._data2 = READ_UINT32(&_data[animOffset + 24]);
int start = newBackgroundAnim.backAnims[0]._basaData._start; // BASA_Start of first frame
int end = newBackgroundAnim.backAnims[0]._basaData._end; //BASA_End of first frame
if (start != -1) {
newBackgroundAnim.backAnims[0]._frame = start;
newBackgroundAnim.backAnims[0]._showFrame = start;
newBackgroundAnim.backAnims[0]._loopFrame = start;
}
if (end != -1) {
newBackgroundAnim.backAnims[0]._lastFrame = end;
}
_backanimList.push_back(newBackgroundAnim);
}
}
void Script::installBackAnims(Common::Array<BackgroundAnim> &backanimList, int offset) {
for (uint i = 0; i < 64; i++) {
installSingleBackAnim(backanimList, offset);
offset += 4;
}
}
bool Script::loadAllMasks(Common::Array<Mask> &maskList, int offset) {
Mask tempMask;
while (1) {
tempMask._state = READ_UINT32(&_data[offset]);
if (tempMask._state == -1) {
break;
}
tempMask._flags = READ_UINT32(&_data[offset + 2]);
tempMask._x1 = READ_UINT32(&_data[offset + 4]);
tempMask._y1 = READ_UINT32(&_data[offset + 6]);
tempMask._x2 = READ_UINT32(&_data[offset + 8]);
tempMask._y2 = READ_UINT32(&_data[offset + 10]);
tempMask._z = READ_UINT32(&_data[offset + 12]);
tempMask._number = READ_UINT32(&_data[offset + 14]);
const Common::String msStreamName = Common::String::format("MS%02d", tempMask._number);
Common::SeekableReadStream *msStream = SearchMan.createReadStreamForMember(msStreamName);
if (!msStream) {
error("Can't load %s", msStreamName.c_str());
delete msStream;
return false;
}
uint32 dataSize = msStream->size();
if (dataSize != -1) {
tempMask._data = (byte *)malloc(dataSize);
if (msStream->read(tempMask._data, dataSize) != dataSize) {
free(tempMask._data);
delete msStream;
return false;
}
delete msStream;
}
tempMask._width = tempMask.getWidth();
tempMask._height = tempMask.getHeight();
maskList.push_back(tempMask);
offset += 16; // size of Mask (Nak) struct
}
return true;
}
InterpreterFlags::InterpreterFlags() {
resetAllFlags();
}
void InterpreterFlags::resetAllFlags() {
memset(_flags, 0, sizeof(_flags));
}
void InterpreterFlags::setFlagValue(Flags::Id flagId, uint16 value) {
_flags[(uint16)flagId - FLAG_MASK] = value;
}
uint16 InterpreterFlags::getFlagValue(Flags::Id flagId) {
return _flags[(uint16)flagId - FLAG_MASK];
}
Interpreter::Interpreter(PrinceEngine *vm, Script *script, InterpreterFlags *flags) :
_vm(vm), _script(script), _flags(flags),
_stacktop(0), _opcodeNF(false),
_waitFlag(0), _result(true) {
// Initialize the script
_mode = "fg";
_fgOpcodePC = _script->getStartGameOffset();
_bgOpcodePC = 0;
}
void Interpreter::debugInterpreter(const char *s, ...) {
char buf[STRINGBUFLEN];
va_list va;
va_start(va, s);
vsnprintf(buf, STRINGBUFLEN, s, va);
va_end(va);
Common::String str = Common::String::format("@0x%08X: ", _lastInstruction);
str += Common::String::format("op %04d: ", _lastOpcode);
//debugC(10, DebugChannel::kScript, "PrinceEngine::Script %s %s", str.c_str(), buf);
//debug("Prince::Script frame %08ld mode %s %s %s", _vm->_frameNr, _mode, str.c_str(), buf);
}
void Interpreter::step() {
if (_bgOpcodePC) {
_mode = "bg";
_bgOpcodePC = step(_bgOpcodePC);
}
if (_fgOpcodePC) {
_mode = "fg";
_fgOpcodePC = step(_fgOpcodePC);
}
}
uint32 Interpreter::step(uint32 opcodePC) {
_currentInstruction = opcodePC;
while (!_opcodeNF) {
_lastInstruction = _currentInstruction;
// Get the current opcode
_lastOpcode = readScript<uint16>();
if (_lastOpcode > NUM_OPCODES)
error(
"Trying to execute unknown opcode @0x%04X: %02d",
_currentInstruction,
_lastOpcode);
// Execute the current opcode
OpcodeFunc op = _opcodes[_lastOpcode];
(this->*op)();
if (_opcodeNF) {
_opcodeNF = 0;
break;
}
}
return _currentInstruction;
}
template <typename T>
T Interpreter::readScript() {
T data = _script->read<T>(_currentInstruction);
_currentInstruction += sizeof(data);
return data;
}
uint16 Interpreter::readScriptFlagValue() {
uint16 value = readScript<uint16>();
if (value & InterpreterFlags::FLAG_MASK) {
return _flags->getFlagValue((Flags::Id)value);
}
return value;
}
Flags::Id Interpreter::readScriptFlagId() {
return (Flags::Id)readScript<uint16>();
}
void Interpreter::O_WAITFOREVER() {
debugInterpreter("O_WAITFOREVER");
_opcodeNF = 1;
_currentInstruction -= 2;
}
void Interpreter::O_BLACKPALETTE() {
debugInterpreter("O_BLACKPALETTE");
}
void Interpreter::O_SETUPPALETTE() {
debugInterpreter("O_SETUPPALETTE");
}
void Interpreter::O_INITROOM() {
uint16 roomId = readScriptFlagValue();
debugInterpreter("O_INITROOM %d", roomId);
_vm->loadLocation(roomId);
_opcodeNF = 1;
}
void Interpreter::O_SETSAMPLE() {
uint16 sampleId = readScriptFlagValue();
int32 sampleNameOffset = readScript<uint32>();
const char * sampleName = _script->getString(_currentInstruction + sampleNameOffset - 4);
debugInterpreter("O_SETSAMPLE %d %s", sampleId, sampleName);
_vm->loadSample(sampleId, sampleName);
}
void Interpreter::O_FREESAMPLE() {
uint16 sample = readScriptFlagValue();
debugInterpreter("O_FREESAMPLE %d", sample);
}
void Interpreter::O_PLAYSAMPLE() {
uint16 sampleId = readScriptFlagValue();
uint16 loopType = readScript<uint16>();
debugInterpreter("O_PLAYSAMPLE sampleId %d loopType %d", sampleId, loopType);
_vm->playSample(sampleId, loopType);
}
void Interpreter::O_PUTOBJECT() {
uint16 roomId = readScriptFlagValue();
uint16 slot = readScriptFlagValue();
uint16 objectId = readScriptFlagValue();
debugInterpreter("O_PUTOBJECT roomId %d, slot %d, objectId %d", roomId, slot, objectId);
}
void Interpreter::O_REMOBJECT() {
uint16 roomId = readScriptFlagValue();
uint16 objectId = readScriptFlagValue();
debugInterpreter("O_REMOBJECT roomId %d objectId %d", roomId, objectId);
}
void Interpreter::O_SHOWANIM() {
uint16 slot = readScriptFlagValue();
uint16 animId = readScriptFlagValue();
debugInterpreter("O_SHOWANIM slot %d, animId %d", slot, animId);
}
void Interpreter::O_CHECKANIMEND() {
uint16 slot = readScriptFlagValue();
uint16 frameId = readScriptFlagValue();
debugInterpreter("O_CHECKANIMEND slot %d, frameId %d", slot, frameId);
_opcodeNF = 1;
}
void Interpreter::O_FREEANIM() {
uint16 slot = readScriptFlagValue();
debugInterpreter("O_FREEANIM slot %d", slot);
}
void Interpreter::O_CHECKANIMFRAME() {
uint16 slot = readScriptFlagValue();
uint16 frameId = readScriptFlagValue();
debugInterpreter("O_CHECKANIMFRAME slot %d, frameId %d", slot, frameId);
_opcodeNF = 1;
}
void Interpreter::O_PUTBACKANIM() {
uint16 roomId = readScriptFlagValue();
uint16 slot = readScriptFlagValue();
int32 animId = readScript<uint32>();
debugInterpreter("O_PUTBACKANIM roomId %d, slot %d, animId %d", roomId, slot, animId);
}
void Interpreter::O_REMBACKANIM() {
uint16 roomId = readScriptFlagValue();
uint16 slot = readScriptFlagValue();
debugInterpreter("O_REMBACKANIM roomId %d, slot %d", roomId, slot);
}
void Interpreter::O_CHECKBACKANIMFRAME() {
uint16 slotId = readScriptFlagValue();
uint16 frameId = readScriptFlagValue();
debugInterpreter("O_CHECKBACKANIMFRAME slotId %d, frameId %d", slotId, frameId);
_opcodeNF = 1;
}
void Interpreter::O_FREEALLSAMPLES() {
debugInterpreter("O_FREEALLSAMPLES");
}
void Interpreter::O_SETMUSIC() {
uint16 musicId = readScript<uint16>();
debugInterpreter("O_SETMUSIC musicId %d", musicId);
}
void Interpreter::O_STOPMUSIC() {
debugInterpreter("O_STOPMUSIC");
}
void Interpreter::O__WAIT() {
uint16 pause = readScriptFlagValue();
debugInterpreter("O__WAIT pause %d", pause);
if (_waitFlag == 0) {
// set new wait flag value and continue
_waitFlag = pause;
_opcodeNF = 1;
_currentInstruction -= 4;
return;
}
--_waitFlag;
if (_waitFlag > 0) {
_opcodeNF = 1;
_currentInstruction -= 4;
return;
}
}
void Interpreter::O_UPDATEOFF() {
debugInterpreter("O_UPDATEOFF");
//_updateEnable = false;
}
void Interpreter::O_UPDATEON() {
debugInterpreter("O_UPDATEON");
//_updateEnable = true;
}
void Interpreter::O_UPDATE () {
debugInterpreter("O_UPDATE");
// Refresh screen
}
void Interpreter::O_CLS() {
debugInterpreter("O_CLS");
// do nothing
}
void Interpreter::O__CALL() {
int32 address = readScript<uint32>();
_stack[_stacktop] = _currentInstruction;
_stacktop++;
_currentInstruction += address - 4;
debugInterpreter("O__CALL 0x%04X", _currentInstruction);
}
void Interpreter::O_RETURN() {
// Get the return address
if (_stacktop > 0) {
_stacktop--;
_currentInstruction = _stack[_stacktop];
debugInterpreter("O_RETURN 0x%04X", _currentInstruction);
} else {
error("Return: Stack is empty");
}
}
void Interpreter::O_GO() {
int32 opPC = readScript<uint32>();
debugInterpreter("O_GO 0x%04X", opPC);
_currentInstruction += opPC - 4;
}
void Interpreter::O_BACKANIMUPDATEOFF() {
uint16 slotId = readScriptFlagValue();
debugInterpreter("O_BACKANIMUPDATEOFF slotId %d", slotId);
}
void Interpreter::O_BACKANIMUPDATEON() {
uint16 slot = readScriptFlagValue();
debugInterpreter("O_BACKANIMUPDATEON %d", slot);
}
void Interpreter::O_CHANGECURSOR() {
uint16 cursorId = readScriptFlagValue();
debugInterpreter("O_CHANGECURSOR %x", cursorId);
_vm->changeCursor(cursorId);
}
void Interpreter::O_CHANGEANIMTYPE() {
// NOT IMPLEMENTED
}
void Interpreter::O__SETFLAG() {
Flags::Id flagId = readScriptFlagId();
uint16 value = readScriptFlagValue();
debugInterpreter("O__SETFLAG 0x%04X (%s) = %d", flagId, Flags::getFlagName(flagId), value);
_flags->setFlagValue((Flags::Id)(flagId), value);
}
void Interpreter::O_COMPARE() {
Flags::Id flagId = readScriptFlagId();
uint16 value = readScriptFlagValue();
_result = _flags->getFlagValue(flagId) != value;
debugInterpreter("O_COMPARE flagId 0x%04X (%s), value %d == %d (%d)", flagId, Flags::getFlagName(flagId), value, _flags->getFlagValue(flagId), _result);
}
void Interpreter::O_JUMPZ() {
int32 offset = readScript<uint32>();
if (!_result) {
_currentInstruction += offset - 4;
}
debugInterpreter("O_JUMPZ result = %d, next %08x, offset 0x%08X", _result, _currentInstruction, offset);
}
void Interpreter::O_JUMPNZ() {
int32 offset = readScript<uint32>();
if (_result) {
_currentInstruction += offset - 4;
}
debugInterpreter("O_JUMPNZ result = %d, next %08x, offset 0x%08X", _result, _currentInstruction, offset);
}
void Interpreter::O_EXIT() {
uint16 exitCode = readScriptFlagValue();
debugInterpreter("O_EXIT exitCode %d", exitCode);
// Set exit code and shows credits
// if exit code == 0x02EAD
}
void Interpreter::O_ADDFLAG() {
Flags::Id flagId = readScriptFlagId();
uint16 value = readScriptFlagValue();
_flags->setFlagValue(flagId, _flags->getFlagValue(flagId) + value);
if (_flags->getFlagValue(flagId))
_result = 1;
else
_result = 0;
debugInterpreter("O_ADDFLAG flagId %04x (%s), value %d", flagId, Flags::getFlagName(flagId), value);
}
void Interpreter::O_TALKANIM() {
uint16 animSlot = readScriptFlagValue();
uint16 slot = readScriptFlagValue();
debugInterpreter("O_TALKANIM animSlot %d, slot %d", animSlot, slot);
}
void Interpreter::O_SUBFLAG() {
Flags::Id flagId = readScriptFlagId();
uint16 value = readScriptFlagValue();
_flags->setFlagValue(flagId, _flags->getFlagValue(flagId) - value);
if (_flags->getFlagValue(flagId))
_result = 1;
else
_result = 0;
debugInterpreter("O_SUBFLAG flagId %d, value %d", flagId, value);
}
void Interpreter::O_SETSTRING() {
int32 offset = readScript<uint32>();
_currentString = offset;
// FIXME: Make it better ;)
if (offset >= 80000) {
debugInterpreter("GetVaria %s", _vm->_variaTxt->getString(offset - 80000));
}
else if (offset < 2000) {
uint32 of = READ_LE_UINT32(_vm->_talkTxt+offset*4);
const char * txt = (const char *)&_vm->_talkTxt[of];
_string = &_vm->_talkTxt[of];
debugInterpreter("TalkTxt %d %s", of, txt);
}
debugInterpreter("O_SETSTRING %04d", offset);
}
void Interpreter::O_ANDFLAG() {
Flags::Id flagId = readScriptFlagId();
uint16 value = readScriptFlagValue();
debugInterpreter("O_ANDFLAG flagId %d, value %d", flagId, value);
_flags->setFlagValue(flagId, _flags->getFlagValue(flagId) & value);
if (_flags->getFlagValue(flagId)) {
_result = 1;
} else {
_result = 0;
}
}
void Interpreter::O_GETMOBDATA() {
Flags::Id flagId = readScriptFlagId();
uint16 mobId = readScript<uint16>();
uint16 mobOffset = readScript<uint16>();
debugInterpreter("O_GETMOBDATA flagId %d, modId %d, mobOffset %d", flagId, mobId, mobOffset);
}
void Interpreter::O_ORFLAG() {
Flags::Id flagId = readScriptFlagId();
uint16 value = readScriptFlagValue();
debugInterpreter("O_ORFLAG flagId %d, value %d", flagId, value);
_flags->setFlagValue(flagId, _flags->getFlagValue(flagId) | value);
if (_flags->getFlagValue(flagId)) {
_result = 1;
} else {
_result = 0;
}
}
void Interpreter::O_SETMOBDATA() {
uint16 mobId = readScriptFlagValue();
uint16 mobOffset = readScriptFlagValue();
uint16 value = readScriptFlagValue();
debugInterpreter("O_SETMOBDATA mobId %d, mobOffset %d, value %d", mobId, mobOffset, value);
}
void Interpreter::O_XORFLAG() {
Flags::Id flagId = readScriptFlagId();
uint16 value = readScriptFlagValue();
debugInterpreter("O_XORFLAG flagId %d, value %d", flagId, value);
_flags->setFlagValue(flagId, _flags->getFlagValue(flagId) ^ value);
if (_flags->getFlagValue(flagId)) {
_result = 1;
} else {
_result = 0;
}
}
void Interpreter::O_GETMOBTEXT() {
uint16 value = readScriptFlagValue();
debugInterpreter("O_GETMOBTEXT value %d", value);
// Use Mob::ExamText as current string
}
void Interpreter::O_MOVEHERO() {
uint16 heroId = readScriptFlagValue();
uint16 x = readScriptFlagValue();
uint16 y = readScriptFlagValue();
uint16 dir = readScriptFlagValue();
debugInterpreter("O_MOVEHERO heroId %d, x %d, y %d, dir %d", heroId, x, y, dir);
}
void Interpreter::O_WALKHERO() {
uint16 heroId = readScriptFlagValue();
debugInterpreter("O_WALKHERO %d", heroId);
_opcodeNF = 1;
}
void Interpreter::O_SETHERO() {
uint16 hero = readScriptFlagValue();
int16 x = readScriptFlagValue();
int16 y = readScriptFlagValue();
uint16 dir = readScriptFlagValue();
debugInterpreter("O_SETHERO hero %d, x %d, y %d, dir %d", hero, x, y, dir);
_vm->_mainHero->setPos(x, y);
_vm->_mainHero->_lastDirection = dir;
_vm->_mainHero->_state = _vm->_mainHero->STAY;
_vm->_mainHero->_moveSetType = _vm->_mainHero->_lastDirection - 1; // for countDrawPosition
_vm->_mainHero->countDrawPosition(); //setting drawX, drawY
}
void Interpreter::O_HEROOFF() {
uint16 heroId = readScriptFlagValue();
debugInterpreter("O_HEROOFF %d", heroId);
_vm->_mainHero->setVisible(false);
}
void Interpreter::O_HEROON() {
uint16 heroId = readScriptFlagValue();
debugInterpreter("O_HEROON %d", heroId);
_vm->_mainHero->setVisible(true);
}
void Interpreter::O_CLSTEXT() {
uint16 slot = readScriptFlagValue();
debugInterpreter("O_CLSTEXT slot %d", slot);
// Sets text line to null
// Sets text timeout to zero
}
void Interpreter::O_CALLTABLE() {
uint16 flag = readScript<uint16>();
int32 table = readScript<uint32>();
debugInterpreter("O_CALLTABLE flag %d, table %d", flag, table);
// makes a call from script function table
// must read table pointer from _code and
// use table entry as next opcode
}
void Interpreter::O_CHANGEMOB() {
uint16 mob = readScriptFlagValue();
uint16 value = readScriptFlagValue();
debugInterpreter("O_CHANGEMOB mob %d, value %d", mob, value);
// Probably sets mobs visible flag to value
}
void Interpreter::O_ADDINV() {
uint16 hero = readScriptFlagValue();
uint16 item = readScriptFlagValue();
debugInterpreter("O_ADDINV hero %d, item %d", hero, item);
}
void Interpreter::O_REMINV() {
uint16 hero = readScriptFlagValue();
uint16 item = readScriptFlagValue();
debugInterpreter("O_REMINV hero %d, item %d", hero, item);
}
void Interpreter::O_REPINV() {
uint16 hero = readScript<uint16>();
uint16 item1 = readScript<uint16>();
uint16 item2 = readScript<uint16>();
// shouldn't be uses
error("O_REPINV hero %d, item1 %d, item2 %d", hero, item1, item2);
}
void Interpreter::O_OBSOLETE_GETACTION() {
// shouldn't be uses
error("O_OBSOLETE_GETACTION");
}
void Interpreter::O_ADDWALKAREA() {
uint16 x1 = readScript<uint16>();
uint16 y1 = readScript<uint16>();
uint16 x2 = readScript<uint16>();
uint16 y2 = readScript<uint16>();
// shouldn't be uses
error("O_ADDWALKAREA x1 %d, y1 %d, x2 %d, y2 %d", x1, y1, x2, y2);
}
void Interpreter::O_REMWALKAREA() {
uint16 x1 = readScript<uint16>();
uint16 y1 = readScript<uint16>();
uint16 x2 = readScript<uint16>();
uint16 y2 = readScript<uint16>();
// shouldn't be uses
error("O_REMWALKAREA x1 %d, y1 %d, x2 %d, y2 %d", x1, y1, x2, y2);
}
void Interpreter::O_RESTOREWALKAREA() {
debugInterpreter("O_RESTOREWALKAREA");
}
void Interpreter::O_WAITFRAME() {
debugInterpreter("O_WAITFRAME");
_opcodeNF = true;
}
void Interpreter::O_SETFRAME() {
uint16 anim = readScriptFlagValue();
uint16 frame = readScriptFlagValue();
debugInterpreter("O_SETFRAME anim %d, frame %d", anim, frame);
}
void Interpreter::O_RUNACTION() {
// It's empty in original and never used in script
// it's better to report error
error("O_RUNACTION");
}
void Interpreter::O_COMPAREHI() {
Flags::Id flag = readScriptFlagId();
uint16 value = readScriptFlagValue();
debugInterpreter("O_COMPAREHI flag %d, value %d", flag, value);
_result = value < _flags->getFlagValue(flag);
}
void Interpreter::O_COMPARELO() {
Flags::Id flag = readScriptFlagId();
uint16 value = readScriptFlagValue();
debugInterpreter("O_COMPARELO flag %d, value %d", flag, value);
_result = value > _flags->getFlagValue(flag);
}
void Interpreter::O_PRELOADSET() {
// not used in script
int32 offset = readScript<uint32>();
debugInterpreter("O_PRELOADSET offset %04x", offset);
}
void Interpreter::O_FREEPRELOAD() {
// not used in script
debugInterpreter("O_FREEPRELOAD");
}
void Interpreter::O_CHECKINV() {
uint16 hero = readScriptFlagValue();
uint16 item = readScriptFlagValue();
debugInterpreter("O_CHECKINV hero %d, item %d", hero, item);
// checks if item is in heros inventory