bsnes/higan/target-tomoko/program/state.cpp

30 lines
1.1 KiB
C++

auto Program::stateName(uint slot, bool manager) -> string {
return {
mediumPaths(1), "higan/states/",
manager ? "managed/" : "quick/",
"slot-", natural(slot, 2L), ".bst"
};
}
auto Program::loadState(uint slot, bool manager) -> bool {
if(!emulator) return false;
auto location = stateName(slot, manager);
auto memory = file::read(location);
if(memory.size() == 0) return showMessage({"Slot ", slot, " does not exist"}), false;
serializer s(memory.data(), memory.size());
if(emulator->unserialize(s) == false) return showMessage({"Slot ", slot, " state incompatible"}), false;
return showMessage({"Loaded from slot ", slot}), true;
}
auto Program::saveState(uint slot, bool manager) -> bool {
if(!emulator) return false;
auto location = stateName(slot, manager);
serializer s = emulator->serialize();
if(s.size() == 0) return showMessage({"Failed to save state to slot ", slot}), false;
directory::create(pathname(location));
if(file::write(location, s.data(), s.size()) == false) {
return showMessage({"Unable to write to slot ", slot}), false;
}
return showMessage({"Saved to slot ", slot}), true;
}