mirror of https://github.com/bsnes-emu/bsnes.git
81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
auto Program::loadState(string filename) -> bool {
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if(!emulator->loaded()) return false;
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string prefix = Location::file(filename);
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vector<uint8_t> memory;
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if(gamePath().endsWith("/")) {
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string location = {statePath(), filename, ".bst"};
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if(!file::exists(location)) return showMessage({"[", prefix, "] not found"}), false;
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if(filename != "quick/recovery") saveRecoveryState();
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memory = file::read(location);
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} else {
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string location = {filename, ".bst"};
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Decode::ZIP input;
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if(input.open(statePath())) {
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for(auto& file : input.file) {
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if(file.name != location) continue;
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memory = input.extract(file);
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break;
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}
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}
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}
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if(memory) {
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serializer s{memory.data(), memory.size()};
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if(!emulator->unserialize(s)) return showMessage({"[", prefix, "] is in incompatible format"}), false;
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return showMessage({"Loaded [", prefix, "]"}), true;
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} else {
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return showMessage({"[", prefix, "] not found"}), false;
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}
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}
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auto Program::saveState(string filename) -> bool {
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if(!emulator->loaded()) return false;
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string prefix = Location::file(filename);
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serializer s = emulator->serialize();
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if(!s.size()) return showMessage({"Failed to save [", prefix, "]"}), false;
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if(gamePath().endsWith("/")) {
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string location = {statePath(), filename, ".bst"};
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directory::create(Location::path(location));
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if(!file::write(location, s.data(), s.size())) return showMessage({"Unable to write [", prefix, "] to disk"}), false;
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} else {
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string location = {filename, ".bst"};
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struct State {
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string name;
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vector<uint8_t> memory;
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};
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vector<State> states;
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Decode::ZIP input;
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if(input.open(statePath())) {
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for(auto& file : input.file) {
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if(!file.name.endsWith(".bst")) continue;
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if(file.name == location) continue;
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states.append({file.name, input.extract(file)});
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}
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}
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Encode::ZIP output{statePath()};
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for(auto& state : states) {
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output.append(state.name, state.memory.data(), state.memory.size());
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}
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output.append(location, s.data(), s.size());
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}
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return showMessage({"Saved [", prefix, "]"}), true;
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}
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auto Program::saveRecoveryState() -> bool {
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if(!emulator->loaded()) return false;
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string location = {statePath(), "quick/recovery.bst"};
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directory::create(Location::path(location));
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serializer s = emulator->serialize();
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if(!s.size()) return false;
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if(!file::write(location, s.data(), s.size())) return false;
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return true;
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}
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