bsnes/icarus/core/master-system.cpp

46 lines
1.6 KiB
C++

auto Icarus::masterSystemManifest(string location) -> string {
vector<uint8_t> buffer;
concatenate(buffer, {location, "program.rom"});
return masterSystemManifest(buffer, location);
}
auto Icarus::masterSystemManifest(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.masterSystem) {
if(node["sha256"].text() == digest) {
manifest.append(node.text(), "\n sha256: ", digest, "\n");
break;
}
}
}
if(settings["icarus/UseHeuristics"].boolean() && !manifest) {
MasterSystemCartridge cartridge{location, buffer.data(), buffer.size()};
manifest = cartridge.manifest;
}
return manifest;
}
auto Icarus::masterSystemImport(vector<uint8_t>& buffer, string location) -> string {
auto name = Location::prefix(location);
auto source = Location::path(location);
string target{settings["Library/Location"].text(), "Master System/", name, ".ms/"};
//if(directory::exists(target)) return failure("game already exists");
auto manifest = masterSystemManifest(buffer, location);
if(!manifest) return failure("failed to parse ROM image");
if(!directory::create(target)) return failure("library path unwritable");
if(file::exists({source, name, ".sav"}) && !file::exists({target, "save.ram"})) {
file::copy({source, name, ".sav"}, {target, "save.ram"});
}
if(settings["icarus/CreateManifests"].boolean()) file::write({target, "manifest.bml"}, manifest);
file::write({target, "program.rom"}, buffer);
return success(target);
}