bsnes/icarus/core/game-gear.cpp

45 lines
1.5 KiB
C++

auto Icarus::gameGearManifest(string location) -> string {
vector<uint8_t> buffer;
concatenate(buffer, {location, "program.rom"});
return gameGearManifest(buffer, location);
}
auto Icarus::gameGearManifest(vector<uint8_t>& buffer, string location) -> string {
string manifest;
if(settings["icarus/UseDatabase"].boolean() && !manifest) {
string digest = Hash::SHA256(buffer.data(), buffer.size()).digest();
for(auto node : database.gameGear) {
if(node["sha256"].text() == digest) {
manifest.append(node.text(), "\n sha256: ", digest, "\n");
break;
}
}
}
if(settings["icarus/UseHeuristics"].boolean() && !manifest) {
GameGearCartridge cartridge{location, buffer.data(), buffer.size()};
manifest = cartridge.manifest;
}
return manifest;
}
auto Icarus::gameGearImport(vector<uint8_t>& buffer, string location) -> string {
auto name = Location::prefix(location);
auto source = Location::path(location);
string target{settings["Library/Location"].text(), "Game Gear/", name, ".gg/"};
auto manifest = gameGearManifest(buffer, location);
if(!manifest) return failure("failed to parse ROM image");
if(!create(target)) return failure("library path unwritable");
if(exists({source, name, ".sav"}) && !exists({target, "save.ram"})) {
copy({source, name, ".sav"}, {target, "save.ram"});
}
if(settings["icarus/CreateManifests"].boolean()) write({target, "manifest.bml"}, manifest);
write({target, "program.rom"}, buffer);
return success(target);
}