11 files changed, 102 insertions, 14 deletions

diff --git a/src/core/core.cpp b/src/core/core.cpp
index 795fabc65..ce7851538 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -8,6 +8,7 @@
 #include <thread>
 #include <utility>
 
+#include "common/file_util.h"
 #include "common/logging/log.h"
 #include "common/string_util.h"
 #include "core/arm/exclusive_monitor.h"
@@ -40,7 +41,6 @@ namespace Core {
 
 /*static*/ System System::s_instance;
 
-namespace {
 FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
                                          const std::string& path) {
     // To account for split 00+01+etc files.
@@ -69,11 +69,13 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
         return FileSys::ConcatenatedVfsFile::MakeConcatenatedFile(concat, dir->GetName());
     }
 
+    if (FileUtil::IsDirectory(path))
+        return vfs->OpenFile(path + "/" + "main", FileSys::Mode::Read);
+
     return vfs->OpenFile(path, FileSys::Mode::Read);
 }
-} // Anonymous namespace
-
 struct System::Impl {
+
     Cpu& CurrentCpuCore() {
         return cpu_core_manager.GetCurrentCore();
     }
diff --git a/src/core/core.h b/src/core/core.h
index be71bd437..71031dfcf 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -9,6 +9,7 @@
 #include <string>
 
 #include "common/common_types.h"
+#include "core/file_sys/vfs_types.h"
 #include "core/hle/kernel/object.h"
 
 namespace Core::Frontend {
@@ -55,6 +56,9 @@ class TelemetrySession;
 
 struct PerfStatsResults;
 
+FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
+                                         const std::string& path);
+
 class System {
 public:
     System(const System&) = delete;
diff --git a/src/core/file_sys/patch_manager.cpp b/src/core/file_sys/patch_manager.cpp
index 6b14e08be..ecdc21c87 100644
--- a/src/core/file_sys/patch_manager.cpp
+++ b/src/core/file_sys/patch_manager.cpp
@@ -56,6 +56,10 @@ PatchManager::PatchManager(u64 title_id) : title_id(title_id) {}
 
 PatchManager::~PatchManager() = default;
 
+u64 PatchManager::GetTitleID() const {
+    return title_id;
+}
+
 VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
     LOG_INFO(Loader, "Patching ExeFS for title_id={:016X}", title_id);
 
@@ -73,11 +77,15 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
 
     const auto installed = Service::FileSystem::GetUnionContents();
 
+    const auto& disabled = Settings::values.disabled_addons[title_id];
+    const auto update_disabled =
+        std::find(disabled.begin(), disabled.end(), "Update") != disabled.end();
+
     // Game Updates
     const auto update_tid = GetUpdateTitleID(title_id);
     const auto update = installed.GetEntry(update_tid, ContentRecordType::Program);
 
-    if (update != nullptr && update->GetExeFS() != nullptr &&
+    if (!update_disabled && update != nullptr && update->GetExeFS() != nullptr &&
         update->GetStatus() == Loader::ResultStatus::ErrorMissingBKTRBaseRomFS) {
         LOG_INFO(Loader, "    ExeFS: Update ({}) applied successfully",
                  FormatTitleVersion(installed.GetEntryVersion(update_tid).value_or(0)));
@@ -95,6 +103,9 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
         std::vector<VirtualDir> layers;
         layers.reserve(patch_dirs.size() + 1);
         for (const auto& subdir : patch_dirs) {
+            if (std::find(disabled.begin(), disabled.end(), subdir->GetName()) != disabled.end())
+                continue;
+
             auto exefs_dir = subdir->GetSubdirectory("exefs");
             if (exefs_dir != nullptr)
                 layers.push_back(std::move(exefs_dir));
@@ -111,11 +122,16 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
     return exefs;
 }
 
-static std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs,
-                                               const std::string& build_id) {
+std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualDir>& patch_dirs,
+                                                      const std::string& build_id) const {
+    const auto& disabled = Settings::values.disabled_addons[title_id];
+
     std::vector<VirtualFile> out;
     out.reserve(patch_dirs.size());
     for (const auto& subdir : patch_dirs) {
+        if (std::find(disabled.begin(), disabled.end(), subdir->GetName()) != disabled.end())
+            continue;
+
         auto exefs_dir = subdir->GetSubdirectory("exefs");
         if (exefs_dir != nullptr) {
             for (const auto& file : exefs_dir->GetFiles()) {
@@ -228,6 +244,7 @@ static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType t
         return;
     }
 
+    const auto& disabled = Settings::values.disabled_addons[title_id];
     auto patch_dirs = load_dir->GetSubdirectories();
     std::sort(patch_dirs.begin(), patch_dirs.end(),
               [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
@@ -237,6 +254,9 @@ static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType t
     layers.reserve(patch_dirs.size() + 1);
     layers_ext.reserve(patch_dirs.size() + 1);
     for (const auto& subdir : patch_dirs) {
+        if (std::find(disabled.begin(), disabled.end(), subdir->GetName()) != disabled.end())
+            continue;
+
         auto romfs_dir = subdir->GetSubdirectory("romfs");
         if (romfs_dir != nullptr)
             layers.push_back(std::move(romfs_dir));
@@ -282,7 +302,12 @@ VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset, Content
     // Game Updates
     const auto update_tid = GetUpdateTitleID(title_id);
     const auto update = installed.GetEntryRaw(update_tid, type);
-    if (update != nullptr) {
+
+    const auto& disabled = Settings::values.disabled_addons[title_id];
+    const auto update_disabled =
+        std::find(disabled.begin(), disabled.end(), "Update") != disabled.end();
+
+    if (!update_disabled && update != nullptr) {
         const auto new_nca = std::make_shared<NCA>(update, romfs, ivfc_offset);
         if (new_nca->GetStatus() == Loader::ResultStatus::Success &&
             new_nca->GetRomFS() != nullptr) {
@@ -290,7 +315,7 @@ VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset, Content
                      FormatTitleVersion(installed.GetEntryVersion(update_tid).value_or(0)));
             romfs = new_nca->GetRomFS();
         }
-    } else if (update_raw != nullptr) {
+    } else if (!update_disabled && update_raw != nullptr) {
         const auto new_nca = std::make_shared<NCA>(update_raw, romfs, ivfc_offset);
         if (new_nca->GetStatus() == Loader::ResultStatus::Success &&
             new_nca->GetRomFS() != nullptr) {
@@ -320,25 +345,30 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam
     VirtualFile update_raw) const {
     std::map<std::string, std::string, std::less<>> out;
     const auto installed = Service::FileSystem::GetUnionContents();
+    const auto& disabled = Settings::values.disabled_addons[title_id];
 
     // Game Updates
     const auto update_tid = GetUpdateTitleID(title_id);
     PatchManager update{update_tid};
     auto [nacp, discard_icon_file] = update.GetControlMetadata();
 
+    const auto update_disabled =
+        std::find(disabled.begin(), disabled.end(), "Update") != disabled.end();
+    const auto update_label = update_disabled ? "[D] Update" : "Update";
+
     if (nacp != nullptr) {
-        out.insert_or_assign("Update", nacp->GetVersionString());
+        out.insert_or_assign(update_label, nacp->GetVersionString());
     } else {
         if (installed.HasEntry(update_tid, ContentRecordType::Program)) {
             const auto meta_ver = installed.GetEntryVersion(update_tid);
             if (meta_ver.value_or(0) == 0) {
-                out.insert_or_assign("Update", "");
+                out.insert_or_assign(update_label, "");
             } else {
                 out.insert_or_assign(
-                    "Update", FormatTitleVersion(*meta_ver, TitleVersionFormat::ThreeElements));
+                    update_label, FormatTitleVersion(*meta_ver, TitleVersionFormat::ThreeElements));
             }
         } else if (update_raw != nullptr) {
-            out.insert_or_assign("Update", "PACKED");
+            out.insert_or_assign(update_label, "PACKED");
         }
     }
 
@@ -378,7 +408,9 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam
             if (types.empty())
                 continue;
 
-            out.insert_or_assign(mod->GetName(), types);
+            const auto mod_disabled =
+                std::find(disabled.begin(), disabled.end(), mod->GetName()) != disabled.end();
+            out.insert_or_assign(mod_disabled ? "[D] " + mod->GetName() : mod->GetName(), types);
         }
     }
 
@@ -401,7 +433,9 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam
 
         list += fmt::format("{}", dlc_match.back().title_id & 0x7FF);
 
-        out.insert_or_assign("DLC", std::move(list));
+        const auto dlc_disabled =
+            std::find(disabled.begin(), disabled.end(), "DLC") != disabled.end();
+        out.insert_or_assign(dlc_disabled ? "[D] DLC" : "DLC", std::move(list));
     }
 
     return out;
diff --git a/src/core/file_sys/patch_manager.h b/src/core/file_sys/patch_manager.h
index 7d168837f..b8a1652fd 100644
--- a/src/core/file_sys/patch_manager.h
+++ b/src/core/file_sys/patch_manager.h
@@ -30,6 +30,8 @@ public:
     explicit PatchManager(u64 title_id);
     ~PatchManager();
 
+    u64 GetTitleID() const;
+
     // Currently tracked ExeFS patches:
     // - Game Updates
     VirtualDir PatchExeFS(VirtualDir exefs) const;
@@ -63,6 +65,9 @@ public:
     std::pair<std::unique_ptr<NACP>, VirtualFile> ParseControlNCA(const NCA& nca) const;
 
 private:
+    std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs,
+                                            const std::string& build_id) const;
+
     u64 title_id;
 };
 
diff --git a/src/core/hle/service/aoc/aoc_u.cpp b/src/core/hle/service/aoc/aoc_u.cpp
index 0417fdb92..b506bc3dd 100644
--- a/src/core/hle/service/aoc/aoc_u.cpp
+++ b/src/core/hle/service/aoc/aoc_u.cpp
@@ -20,6 +20,7 @@
 #include "core/hle/service/aoc/aoc_u.h"
 #include "core/hle/service/filesystem/filesystem.h"
 #include "core/loader/loader.h"
+#include "core/settings.h"
 
 namespace Service::AOC {
 
@@ -76,6 +77,13 @@ void AOC_U::CountAddOnContent(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
 
     const auto current = Core::System::GetInstance().CurrentProcess()->GetTitleID();
+
+    const auto& disabled = Settings::values.disabled_addons[current];
+    if (std::find(disabled.begin(), disabled.end(), "DLC") != disabled.end()) {
+        rb.Push<u32>(0);
+        return;
+    }
+
     rb.Push<u32>(static_cast<u32>(
         std::count_if(add_on_content.begin(), add_on_content.end(),
                       [current](u64 tid) { return CheckAOCTitleIDMatchesBase(tid, current); })));
@@ -96,6 +104,10 @@ void AOC_U::ListAddOnContent(Kernel::HLERequestContext& ctx) {
             out.push_back(static_cast<u32>(add_on_content[i] & 0x7FF));
     }
 
+    const auto& disabled = Settings::values.disabled_addons[current];
+    if (std::find(disabled.begin(), disabled.end(), "DLC") != disabled.end())
+        out = {};
+
     if (out.size() < offset) {
         IPC::ResponseBuilder rb{ctx, 2};
         // TODO(DarkLordZach): Find the correct error code.
diff --git a/src/core/loader/loader.h b/src/core/loader/loader.h
index 5390ab9ee..0838e303b 100644
--- a/src/core/loader/loader.h
+++ b/src/core/loader/loader.h
@@ -12,6 +12,7 @@
 #include <vector>
 
 #include "common/common_types.h"
+#include "core/file_sys/control_metadata.h"
 #include "core/file_sys/vfs.h"
 
 namespace Kernel {
@@ -243,6 +244,15 @@ public:
         return ResultStatus::ErrorNotImplemented;
     }
 
+    /**
+     * Get the developer of the application
+     * @param developer Reference to store the application developer into
+     * @return ResultStatus result of function
+     */
+    virtual ResultStatus ReadDeveloper(std::string& developer) {
+        return ResultStatus::ErrorNotImplemented;
+    }
+
 protected:
     FileSys::VirtualFile file;
     bool is_loaded = false;
diff --git a/src/core/loader/nsp.cpp b/src/core/loader/nsp.cpp
index 080d89904..b4ab88ae8 100644
--- a/src/core/loader/nsp.cpp
+++ b/src/core/loader/nsp.cpp
@@ -151,4 +151,11 @@ ResultStatus AppLoader_NSP::ReadTitle(std::string& title) {
     title = nacp_file->GetApplicationName();
     return ResultStatus::Success;
 }
+
+ResultStatus AppLoader_NSP::ReadDeveloper(std::string& developer) {
+    if (nacp_file == nullptr)
+        return ResultStatus::ErrorNoControl;
+    developer = nacp_file->GetDeveloperName();
+    return ResultStatus::Success;
+}
 } // namespace Loader
diff --git a/src/core/loader/nsp.h b/src/core/loader/nsp.h
index 9ed8a59cf..2b1e0719b 100644
--- a/src/core/loader/nsp.h
+++ b/src/core/loader/nsp.h
@@ -43,6 +43,7 @@ public:
     ResultStatus ReadProgramId(u64& out_program_id) override;
     ResultStatus ReadIcon(std::vector<u8>& buffer) override;
     ResultStatus ReadTitle(std::string& title) override;
+    ResultStatus ReadDeveloper(std::string& developer) override;
 
 private:
     std::unique_ptr<FileSys::NSP> nsp;
diff --git a/src/core/loader/xci.cpp b/src/core/loader/xci.cpp
index 461607c95..bd5a83b49 100644
--- a/src/core/loader/xci.cpp
+++ b/src/core/loader/xci.cpp
@@ -120,4 +120,11 @@ ResultStatus AppLoader_XCI::ReadTitle(std::string& title) {
     title = nacp_file->GetApplicationName();
     return ResultStatus::Success;
 }
+
+ResultStatus AppLoader_XCI::ReadDeveloper(std::string& developer) {
+    if (nacp_file == nullptr)
+        return ResultStatus::ErrorNoControl;
+    developer = nacp_file->GetDeveloperName();
+    return ResultStatus::Success;
+}
 } // namespace Loader
diff --git a/src/core/loader/xci.h b/src/core/loader/xci.h
index ded5bb88a..15d1b1a23 100644
--- a/src/core/loader/xci.h
+++ b/src/core/loader/xci.h
@@ -43,6 +43,7 @@ public:
     ResultStatus ReadProgramId(u64& out_program_id) override;
     ResultStatus ReadIcon(std::vector<u8>& buffer) override;
     ResultStatus ReadTitle(std::string& title) override;
+    ResultStatus ReadDeveloper(std::string& developer) override;
 
 private:
     std::unique_ptr<FileSys::XCI> xci;
diff --git a/src/core/settings.h b/src/core/settings.h
index a0c5fd447..de01b05c0 100644
--- a/src/core/settings.h
+++ b/src/core/settings.h
@@ -6,8 +6,10 @@
 
 #include <array>
 #include <atomic>
+#include <map>
 #include <optional>
 #include <string>
+#include <vector>
 #include "common/common_types.h"
 
 namespace Settings {
@@ -411,6 +413,9 @@ struct Values {
     std::string web_api_url;
     std::string yuzu_username;
     std::string yuzu_token;
+
+    // Add-Ons
+    std::map<u64, std::vector<std::string>> disabled_addons;
 } extern values;
 
 void Apply();