void ScriptInterpreter::runScript() {
uint32 lastScreenUpdate = 0;
while (!_vm->shouldQuit()) {
if (_vm->_movieSceneFlag)
_vm->_mouseButton = 0;
if (_vm->_saveLoadRequested != 0) {
if (_vm->_saveLoadRequested == 1)
_vm->loadGameState(_vm->_saveLoadSlot);
else if (_vm->_saveLoadRequested == 2)
_vm->saveGameState(_vm->_saveLoadSlot, _vm->_saveLoadDescription);
_vm->_saveLoadRequested = 0;
}
if (_switchLocalDataNear) {
_switchLocalDataNear = false;
_localData = getSlotData(_regs.reg4);
}
if (_switchLocalDataFar) {
_switchLocalDataFar = false;
_localData = getSlotData(_regs.reg5);
_switchLocalDataNear = true;
}
if (_switchLocalDataToStack) {
_switchLocalDataToStack = false;
_localData = _stack + 2;
_switchLocalDataNear = true;
}
byte opcode = readByte();
execOpcode(opcode);
// Update the screen at semi-regular intervals, else the mouse
// cursor will be jerky.
uint32 now = _vm->_system->getMillis();
if (now < lastScreenUpdate || now - lastScreenUpdate > 10) {
_vm->_system->updateScreen();
lastScreenUpdate = _vm->_system->getMillis();
}
}
}
int ScriptInterpreter::runFunction(ScriptFunction *scriptFunction) {
bool done = false;
int oldLocalStackPtr = _localStackPtr;
ScriptFunction *oldRunningFunction = _runningFunction;
// TODO: Also initialize _localStackPtr
_runningFunction = scriptFunction;
_runningFunction->jumpAbsolute(0);
while (!done) {
byte opcode = _runningFunction->readByte();
done = !execOpcode(opcode);
}
_localStackPtr = oldLocalStackPtr;
_runningFunction = oldRunningFunction;
return 0;
}
