started working on asset registry

.gitmodules

@@ -26,3 +26,6 @@
 [submodule "_ThirdParty/nfd"]
 	path = _ThirdParty/nfd
 	url = https://github.com/btzy/nativefiledialog-extended.git
+[submodule "_ThirdParty/uuid"]
+	path = _ThirdParty/uuid
+	url = https://github.com/mariusbancila/stduuid.git

CMakeLists.txt

@@ -27,6 +27,8 @@ add_subdirectory(_ThirdParty/spdlog)
 set(JSON_BuildTests OFF CACHE INTERNAL "")
 add_subdirectory(_ThirdParty/json)
 
+add_subdirectory(_ThirdParty/uuid)
+
 add_subdirectory(_ThirdParty/nfd)
 
 set (ASSIMP_INSTALL OFF)
@@ -59,7 +61,8 @@ add_custom_target(copy_resources
         COMMENT "Copying resources..."
 )
 
-target_link_libraries(${PROJECT_NAME} glfw spdlog assimp glm EnTT fmt nfd)
+target_link_libraries(${PROJECT_NAME} glfw spdlog assimp glm EnTT fmt nfd uuid)
 target_include_directories(${PROJECT_NAME} PRIVATE ${ASSIMP_INCLUDE_INSTALL_DIR})
-target_include_directories(${PROJECT_NAME} PRIVATE src)
 target_include_directories(${PROJECT_NAME} PRIVATE _ThirdParty/json/single_include)
+target_include_directories(${PROJECT_NAME} PRIVATE _ThirdParty/uuid/include)
+target_include_directories(${PROJECT_NAME} PRIVATE src)

src/AssetRecord.h

@@ -0,0 +1,21 @@
+//
+// Created by slinky on 5/14/26.
+//
+
+#ifndef B_ENGINE_ASSETRECORD_H
+#define B_ENGINE_ASSETRECORD_H
+
+#include <string>
+#include "uuid.h"
+
+#include "Types.h"
+
+
+struct AssetRecord {
+    uuids::uuid uuid;
+    std::string sourcePath;
+    std::string cachePath;
+    AssetType assetType;
+};
+
+#endif //B_ENGINE_ASSETRECORD_H

src/AssetRegistry.cpp

@@ -0,0 +1,80 @@
+//
+// Created by slinky on 5/14/26.
+//
+
+#include "AssetRegistry.h"
+
+#include <filesystem>
+#include <fstream>
+
+#include "uuid.h"
+
+std::unordered_map<uuids::uuid, std::unique_ptr<AssetRegistry>> AssetRegistry::_registry;
+
+uuids::uuid generate_uuid()
+{
+    thread_local auto gen = [] {
+        std::random_device rd;
+
+        auto seed_data =
+            std::array<int, std::mt19937::state_size>{};
+
+        std::generate(seed_data.begin(),
+                      seed_data.end(),
+                      std::ref(rd));
+
+        std::seed_seq seq(seed_data.begin(), seed_data.end());
+
+        std::mt19937 engine(seq);
+
+        return uuids::uuid_random_generator{engine};
+    }();
+
+    return gen();
+}
+
+void AssetRegistry::read_source_folder(const std::string_view _folder) {
+    if (_folder.empty()) {
+        return;
+    }
+
+    const Path path {_folder};
+    Directory directory {path};
+    for (const auto entry : directory) {
+        if (!entry.exists()) {
+            continue;
+        }
+
+        if (entry.is_directory()) {
+            read_source_folder(entry.path().c_str());
+            continue;
+        }
+
+        uuid_t uuid;
+        generate_meta_file(entry.path());
+
+
+    }
+}
+
+bool AssetRegistry::does_meta_exist(const Path& path) {
+    Path meta = path;
+    meta += ".meta";
+    return fs::exists(meta);
+}
+
+void AssetRegistry::generate_meta_file(const Path &path) {
+    Path meta = path;
+    meta += ".meta";
+
+    if (fs::exists(meta)) {
+        return;
+    }
+
+    AssetRecord record;
+    record.uuid = generate_uuid();
+    record.sourcePath = path.c_str();
+
+    std::ofstream file {meta};
+    file.close();
+}

src/AssetRegistry.h

@@ -0,0 +1,38 @@
+//
+// Created by slinky on 5/14/26.
+//
+
+#ifndef B_ENGINE_ASSETREGISTRY_H
+#define B_ENGINE_ASSETREGISTRY_H
+
+#include <unordered_map>
+#include <uuid/uuid.h>
+#include <memory>
+#include <vector>
+#include <string_view>
+#include <filesystem>
+
+#include "AssetRecord.h"
+
+#include "uuid.h"
+
+namespace fs = std::filesystem;
+
+using Directory = fs::recursive_directory_iterator;
+using Path = fs::path;
+
+class AssetRegistry {
+public:
+    static void read_source_folder(std::string_view _folder);
+
+    static std::vector<AssetRegistry*> get_records();
+    static AssetRegistry* get_record(uuid_t uuid);
+private:
+    static std::unordered_map<uuids::uuid, std::unique_ptr<AssetRegistry>> _registry;
+
+    static bool does_meta_exist(const Path& path);
+    static void generate_meta_file(const Path& path);
+};
+
+
+#endif //B_ENGINE_ASSETREGISTRY_H

src/Types.h

@@ -0,0 +1,14 @@
+//
+// Created by slinky on 5/14/26.
+//
+
+#ifndef B_ENGINE_TYPES_H
+#define B_ENGINE_TYPES_H
+
+enum class AssetType {
+    SHADER = 0,
+    TEXTURE = 1,
+    MODEL = 2
+};
+
+#endif //B_ENGINE_TYPES_H