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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <core/core.h>
#include <core/file_sys/mode.h>
#include <core/file_sys/patch_manager.h>
#include <core/loader/nro.h>
#include <jni.h>
#include "core/loader/loader.h"
#include "jni/android_common/android_common.h"
#include "native.h"
struct RomMetadata {
std::string title;
u64 programId;
std::string developer;
std::string version;
std::vector<u8> icon;
bool isHomebrew;
};
std::unordered_map<std::string, RomMetadata> m_rom_metadata_cache;
RomMetadata CacheRomMetadata(const std::string& path) {
const auto file =
Core::GetGameFileFromPath(EmulationSession::GetInstance().System().GetFilesystem(), path);
auto loader = Loader::GetLoader(EmulationSession::GetInstance().System(), file, 0, 0);
RomMetadata entry;
loader->ReadTitle(entry.title);
loader->ReadProgramId(entry.programId);
loader->ReadIcon(entry.icon);
const FileSys::PatchManager pm{
entry.programId, EmulationSession::GetInstance().System().GetFileSystemController(),
EmulationSession::GetInstance().System().GetContentProvider()};
const auto control = pm.GetControlMetadata();
if (control.first != nullptr) {
entry.developer = control.first->GetDeveloperName();
entry.version = control.first->GetVersionString();
} else {
FileSys::NACP nacp;
if (loader->ReadControlData(nacp) == Loader::ResultStatus::Success) {
entry.developer = nacp.GetDeveloperName();
} else {
entry.developer = "";
}
entry.version = "1.0.0";
}
if (loader->GetFileType() == Loader::FileType::NRO) {
auto loader_nro = reinterpret_cast<Loader::AppLoader_NRO*>(loader.get());
entry.isHomebrew = loader_nro->IsHomebrew();
} else {
entry.isHomebrew = false;
}
m_rom_metadata_cache[path] = entry;
return entry;
}
RomMetadata GetRomMetadata(const std::string& path, bool reload = false) {
if (reload) {
return CacheRomMetadata(path);
}
if (auto search = m_rom_metadata_cache.find(path); search != m_rom_metadata_cache.end()) {
return search->second;
}
return CacheRomMetadata(path);
}
extern "C" {
jboolean Java_org_yuzu_yuzu_1emu_utils_GameMetadata_getIsValid(JNIEnv* env, jobject obj,
jstring jpath) {
const auto file = EmulationSession::GetInstance().System().GetFilesystem()->OpenFile(
GetJString(env, jpath), FileSys::Mode::Read);
if (!file) {
return false;
}
auto loader = Loader::GetLoader(EmulationSession::GetInstance().System(), file);
if (!loader) {
return false;
}
const auto file_type = loader->GetFileType();
if (file_type == Loader::FileType::Unknown || file_type == Loader::FileType::Error) {
return false;
}
u64 program_id = 0;
Loader::ResultStatus res = loader->ReadProgramId(program_id);
if (res != Loader::ResultStatus::Success) {
return false;
}
return true;
}
jstring Java_org_yuzu_yuzu_1emu_utils_GameMetadata_getTitle(JNIEnv* env, jobject obj,
jstring jpath) {
return ToJString(env, GetRomMetadata(GetJString(env, jpath)).title);
}
jstring Java_org_yuzu_yuzu_1emu_utils_GameMetadata_getProgramId(JNIEnv* env, jobject obj,
jstring jpath) {
return ToJString(env, std::to_string(GetRomMetadata(GetJString(env, jpath)).programId));
}
jstring Java_org_yuzu_yuzu_1emu_utils_GameMetadata_getDeveloper(JNIEnv* env, jobject obj,
jstring jpath) {
return ToJString(env, GetRomMetadata(GetJString(env, jpath)).developer);
}
jstring Java_org_yuzu_yuzu_1emu_utils_GameMetadata_getVersion(JNIEnv* env, jobject obj,
jstring jpath, jboolean jreload) {
return ToJString(env, GetRomMetadata(GetJString(env, jpath), jreload).version);
}
jbyteArray Java_org_yuzu_yuzu_1emu_utils_GameMetadata_getIcon(JNIEnv* env, jobject obj,
jstring jpath) {
auto icon_data = GetRomMetadata(GetJString(env, jpath)).icon;
jbyteArray icon = env->NewByteArray(static_cast<jsize>(icon_data.size()));
env->SetByteArrayRegion(icon, 0, env->GetArrayLength(icon),
reinterpret_cast<jbyte*>(icon_data.data()));
return icon;
}
jboolean Java_org_yuzu_yuzu_1emu_utils_GameMetadata_getIsHomebrew(JNIEnv* env, jobject obj,
jstring jpath) {
return static_cast<jboolean>(GetRomMetadata(GetJString(env, jpath)).isHomebrew);
}
void Java_org_yuzu_yuzu_1emu_utils_GameMetadata_resetMetadata(JNIEnv* env, jobject obj) {
m_rom_metadata_cache.clear();
}
} // extern "C"
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