fix a large variety of issues (#101)

- GLASM/SPIR-V mixup on Android
- potential greenscreen fix (thx suyu)
- save memory layout and add 10gb/12gb options
- potential samsung gaming hub fix
- fix layout of controller UI
- fix default settings to sensible defaults.
- note to TotK that you should increase memory layout
- Error checking for Windows linking
- fix an IDE error
- improved migration system w/threading and busy indicator
- disabled citron migration for now
- replaced some user-facing legacy strings with eden
- Added 10GB and 12GB DRAM layouts
- Fix Android black screen issues
- add discord link & update FAQ/Quickstart
- update links in about page
- add back rich presence
- add Don't show again for desktop pre alpha banner
- add citron warning to android and polaris to desktop

Signed-off-by: swurl <swurl@swurl.xyz>
Co-authored-by: Pavel Barabanov <pavelbarabanov94@gmail.com>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/101
Co-authored-by: swurl <swurl@swurl.xyz>
Co-committed-by: swurl <swurl@swurl.xyz>

src/yuzu/migration_worker.cpp

@@ -0,0 +1,123 @@
+#include "migration_worker.h"
+
+#include <filesystem>
+
+#include "common/fs/path_util.h"
+
+MigrationWorker::MigrationWorker(const LegacyEmu selected_legacy_emu_,
+                                 const bool clear_shader_cache_,
+                                 const MigrationStrategy strategy_)
+    : QObject()
+    , selected_legacy_emu(selected_legacy_emu_)
+    , clear_shader_cache(clear_shader_cache_)
+    , strategy(strategy_)
+{}
+
+void MigrationWorker::process()
+{
+    namespace fs = std::filesystem;
+    const auto copy_options = fs::copy_options::update_existing | fs::copy_options::recursive;
+
+    std::string legacy_user_dir;
+    std::string legacy_config_dir;
+    std::string legacy_cache_dir;
+
+#define LEGACY_EMU(emu) \
+    case LegacyEmu::emu: \
+        legacy_user_dir = Common::FS::GetLegacyPath(Common::FS::LegacyPath::emu##Dir).string(); \
+        legacy_config_dir = Common::FS::GetLegacyPath(Common::FS::LegacyPath::emu##ConfigDir) \
+                                .string(); \
+        legacy_cache_dir = Common::FS::GetLegacyPath(Common::FS::LegacyPath::emu##CacheDir) \
+                               .string(); \
+        break;
+
+    switch (selected_legacy_emu) {
+        LEGACY_EMU(Citron)
+        LEGACY_EMU(Sudachi)
+        LEGACY_EMU(Yuzu)
+        LEGACY_EMU(Suyu)
+    }
+
+#undef LEGACY_EMU
+
+    fs::path eden_dir = Common::FS::GetEdenPath(Common::FS::EdenPath::EdenDir);
+    fs::path config_dir = Common::FS::GetEdenPath(Common::FS::EdenPath::ConfigDir);
+    fs::path cache_dir = Common::FS::GetEdenPath(Common::FS::EdenPath::CacheDir);
+    fs::path shader_dir = Common::FS::GetEdenPath(Common::FS::EdenPath::ShaderDir);
+
+    try {
+        fs::remove_all(eden_dir);
+    } catch (fs::filesystem_error &_) {
+        // ignore because linux does stupid crap sometimes.
+    }
+
+    switch (strategy) {
+    case MigrationStrategy::Link:
+        // Create symlinks/directory junctions if requested
+
+        // Windows 11 has random permission nonsense to deal with.
+        try {
+            fs::create_directory_symlink(legacy_user_dir, eden_dir);
+        } catch (const fs::filesystem_error &e) {
+            emit error(tr("Linking the old directory failed. You may need to re-run with "
+                          "administrative privileges on Windows.\nOS gave error: %1")
+                           .arg(tr(e.what())));
+            return;
+        }
+
+// Windows doesn't need any more links, because cache and config
+// are already children of the root directory
+#ifndef WIN32
+        if (fs::is_directory(legacy_config_dir)) {
+            fs::create_directory_symlink(legacy_config_dir, config_dir);
+        }
+
+        if (fs::is_directory(legacy_cache_dir)) {
+            fs::create_directory_symlink(legacy_cache_dir, cache_dir);
+        }
+#endif
+        break;
+    case MigrationStrategy::Move:
+        // Rename directories if deletion is requested (achieves the same result)
+        fs::rename(legacy_user_dir, eden_dir);
+
+// Windows doesn't need any more renames, because cache and config
+// are already children of the root directory
+#ifndef WIN32
+        if (fs::is_directory(legacy_config_dir)) {
+            fs::rename(legacy_config_dir, config_dir);
+        }
+
+        if (fs::is_directory(legacy_cache_dir)) {
+            fs::rename(legacy_cache_dir, cache_dir);
+        }
+#endif
+        break;
+    case MigrationStrategy::Copy:
+    default:
+        // Default behavior: copy
+        fs::copy(legacy_user_dir, eden_dir, copy_options);
+
+        if (fs::is_directory(legacy_config_dir)) {
+            fs::copy(legacy_config_dir, config_dir, copy_options);
+        }
+
+        if (fs::is_directory(legacy_cache_dir)) {
+            fs::copy(legacy_cache_dir, cache_dir, copy_options);
+        }
+
+        success_text.append(tr("\n\nIf you wish to clean up the files which were left in the old "
+                               "data location, you can do so by deleting the following directory:\n"
+                               "%1")
+                                .arg(QString::fromStdString(legacy_user_dir)));
+        break;
+    }
+
+    // Delete and re-create shader dir
+    if (clear_shader_cache) {
+        fs::remove_all(shader_dir);
+        fs::create_directory(shader_dir);
+    }
+
+    emit finished(success_text);
+}