bsnes/icarus/core/game-boy.cpp

51 lines
1.7 KiB
C++

auto Icarus::gameBoyManifest(string location) -> string {
vector<uint8_t> buffer;
concatenate(buffer, {location, "program.rom"});
return gameBoyManifest(buffer, location);
}
auto Icarus::gameBoyManifest(vector<uint8_t>& buffer, string location) -> string {
string markup;
string digest = Hash::SHA256(buffer.data(), buffer.size()).digest();
if(settings["icarus/UseDatabase"].boolean() && !markup) {
for(auto node : database.gameBoy) {
if(node["sha256"].text() == digest) {
markup.append(node.text(), "\n sha256: ", digest, "\n");
break;
}
}
}
if(settings["icarus/UseHeuristics"].boolean() && !markup) {
GameBoyCartridge cartridge{buffer.data(), buffer.size()};
if(markup = cartridge.markup) {
markup.append("\n");
markup.append("information\n");
markup.append(" title: ", Location::prefix(location), "\n");
markup.append(" sha256: ", digest, "\n");
markup.append(" note: ", "heuristically generated by icarus\n");
}
}
return markup;
}
auto Icarus::gameBoyImport(vector<uint8_t>& buffer, string location) -> string {
auto name = Location::prefix(location);
auto source = Location::path(location);
string target{settings["Library/Location"].text(), "Game Boy/", name, ".gb/"};
auto markup = gameBoyManifest(buffer, location);
if(!markup) 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"}, markup);
write({target, "program.rom"}, buffer);
return success(target);
}