mirror of https://github.com/bsnes-emu/bsnes.git
59 lines
2.1 KiB
C++
59 lines
2.1 KiB
C++
auto Icarus::famicomManifest(string location) -> string {
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vector<uint8_t> buffer;
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concatenate(buffer, {location, "ines.rom"});
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concatenate(buffer, {location, "program.rom"});
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concatenate(buffer, {location, "character.rom"});
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return famicomManifest(buffer, location);
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}
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auto Icarus::famicomManifest(vector<uint8_t>& buffer, string location) -> string {
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if(settings["icarus/UseDatabase"].boolean()) {
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auto digest = Hash::SHA256(buffer).digest();
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for(auto game : Database::Famicom.find("game")) {
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if(game["sha256"].text() == digest) return BML::serialize(game);
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}
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}
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if(settings["icarus/UseHeuristics"].boolean()) {
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Heuristics::Famicom game{buffer, location};
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if(auto manifest = game.manifest()) return manifest;
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}
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return {};
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}
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auto Icarus::famicomImport(vector<uint8_t>& buffer, string location) -> string {
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auto name = Location::prefix(location);
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auto source = Location::path(location);
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string target{settings["Library/Location"].text(), "Famicom/", name, ".fc/"};
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auto manifest = famicomManifest(buffer, location);
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if(!manifest) return failure("failed to parse ROM image");
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if(!create(target)) return failure("library path unwritable");
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if(exists({source, name, ".sav"}) && !exists({target, "save.ram"})) {
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copy({source, name, ".sav"}, {target, "save.ram"});
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}
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if(settings["icarus/CreateManifests"].boolean()) write({target, "manifest.bml"}, manifest);
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auto document = BML::unserialize(manifest);
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uint offset = 0;
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if(true) {
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//todo: support images without iNES headers (via database lookup)
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uint size = 16;
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write({target, "ines.rom"}, &buffer[offset], size);
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offset += size;
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}
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if(auto program = document["game/board/memory(type=ROM,content=Program)"]) {
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uint size = program["size"].natural();
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write({target, "program.rom"}, &buffer[offset], size);
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offset += size;
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}
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if(auto character = document["game/board/memory(type=ROM,content=Character)"]) {
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uint size = character["size"].natural();
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write({target, "character.rom"}, &buffer[offset], size);
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offset += size;
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}
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return success(target);
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}
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