MystScript MystScriptParser::readScript(Common::SeekableReadStream *stream, MystScriptType type) {
assert(stream);
assert(type != kMystScriptNone);
MystScript script = MystScript(new Common::Array<MystScriptEntry>());
uint16 opcodeCount = stream->readUint16LE();
script->resize(opcodeCount);
for (uint16 i = 0; i < opcodeCount; i++) {
MystScriptEntry &entry = (*script)[i];
entry.type = type;
// Resource ID only exists in INIT and EXIT scripts
if (type != kMystScriptNormal)
entry.resourceId = stream->readUint16LE();
entry.opcode = stream->readUint16LE();
entry.var = stream->readUint16LE();
entry.argc = stream->readUint16LE();
if (entry.argc > 0) {
entry.argv = new uint16[entry.argc];
for (uint16 j = 0; j < entry.argc; j++)
entry.argv[j] = stream->readUint16LE();
}
// u1 exists only in EXIT scripts
if (type == kMystScriptExit)
entry.u1 = stream->readUint16LE();
}
return script;
}
void MystScriptParser::runScript(MystScript script, MystResource *invokingResource) {
debugC(kDebugScript, "Script Size: %d", script->size());
for (uint16 i = 0; i < script->size(); i++) {
MystScriptEntry &entry = script->operator[](i);
debugC(kDebugScript, "\tOpcode %d: %d", i, entry.opcode);
if (entry.type == kMystScriptNormal)
_invokingResource = invokingResource;
else
_invokingResource = _vm->_resources[entry.resourceId];
runOpcode(entry.opcode, entry.var, entry.argc, entry.argv);
}
}
void MystScriptParser::runScript(MystScript script, MystArea *invokingResource) {
debugC(kDebugScript, "Script Size: %d", script->size());
// Scripted drawing takes more time to simulate older hardware
// This way opcodes can't overwrite what the previous ones drew too quickly
_vm->_gfx->enableDrawingTimeSimulation(true);
for (uint16 i = 0; i < script->size(); i++) {
MystScriptEntry &entry = (*script)[i];
debugC(kDebugScript, "\tOpcode %d: %d", i, entry.opcode);
if (entry.type == kMystScriptNormal)
_invokingResource = invokingResource;
else
_invokingResource = _vm->_resources[entry.resourceId];
runOpcode(entry.opcode, entry.var, entry.argc, entry.argv);
}
_vm->_gfx->enableDrawingTimeSimulation(false);
}
void MystScriptParser::runScript(const MystScript &script, MystArea *invokingResource) {
_scriptNestingLevel++;
for (uint16 i = 0; i < script.size(); i++) {
const MystScriptEntry &entry = script[i];
if (entry.type == kMystScriptNormal)
_invokingResource = invokingResource;
else
_invokingResource = _vm->getCard()->getResource<MystArea>(entry.resourceId);
runOpcode(entry.opcode, entry.var, entry.args);
}
_scriptNestingLevel--;
}
