Первый коммит

Src/assets.cpp

@@ -0,0 +1,72 @@
+#include "assets.hpp"
+#include <TOSLib.hpp>
+#include <boost/smart_ptr/scoped_array.hpp>
+#include <filesystem>
+#include <fstream>
+#include <mutex>
+#include <unordered_map>
+
+extern std::unordered_map<std::string, std::tuple<const char*, const char*>> _binary_assets_symbols;
+namespace fs = std::filesystem;
+
+namespace AL {
+
+Resource::Resource() = default;
+Resource::~Resource() = default;
+
+static std::mutex ResourceCacheMtx;
+static std::unordered_map<std::string, std::weak_ptr<Resource>> ResourceCache;
+
+class FS_Resource : public Resource {
+    boost::scoped_array<uint8_t> Array;
+
+public:
+    FS_Resource(const std::filesystem::path &path)
+    {
+        std::ifstream fd(path);
+
+        if(!fd)
+            MAKE_ERROR("Ошибка чтения ресурса: " << path);
+
+        fd.seekg(0, std::ios::end);
+        Size = fd.tellg();
+        fd.seekg(0, std::ios::beg);
+        Array.reset(new uint8_t[Size]);
+        fd.read((char*) Array.get(), Size);
+        Data = Array.get();
+    }
+
+    virtual ~FS_Resource() = default;
+};
+
+std::shared_ptr<Resource> getResource(const std::string &path) {
+    std::unique_lock<std::mutex> lock(ResourceCacheMtx);
+
+    if(auto iter = ResourceCache.find(path); iter != ResourceCache.end()) {
+        std::shared_ptr<Resource> resource = iter->second.lock();
+        if(!resource) {
+            ResourceCache.erase(iter);
+        } else {
+            return resource;
+        }
+    }
+
+    fs::path fs_path("assets");
+    fs_path /= path;
+
+    if(fs::exists(fs_path)) {
+        std::shared_ptr<Resource> resource = std::make_shared<FS_Resource>(fs_path);
+        ResourceCache.emplace(path, resource);
+        TOS::Logger("Resources").debug() << "Ресурс " << fs_path << " найден в фс";
+        return resource;
+    }
+
+    if(auto iter = _binary_assets_symbols.find(path); iter != _binary_assets_symbols.end()) {
+        TOS::Logger("Resources").debug() << "Ресурс " << fs_path << " is inlined";
+        return std::make_shared<Resource>((const uint8_t*) std::get<0>(iter->second), std::get<1>(iter->second)-std::get<0>(iter->second));
+    }
+    
+    MAKE_ERROR("Ресурс " << path << " не найден");
+}
+
+}