chore: refactor IW4 asset loaders

src/ObjLoading/Game/IW4/Shader/LoaderPixelShaderIW4.cpp

@@ -0,0 +1,67 @@
+#include "LoaderPixelShaderIW4.h"
+
+#include "Game/IW4/IW4.h"
+
+#include <cstdint>
+#include <format>
+#include <iostream>
+
+using namespace IW4;
+
+namespace
+{
+    class PixelShaderLoader final : public AssetCreator<AssetPixelShader>
+    {
+    public:
+        PixelShaderLoader(MemoryManager& memory, ISearchPath& searchPath)
+            : m_memory(memory),
+              m_search_path(searchPath)
+        {
+        }
+
+        AssetCreationResult CreateAsset(const std::string& assetName, AssetCreationContext& context) override
+        {
+            const auto fileName = GetPixelShaderFileName(assetName);
+            const auto file = m_search_path.Open(fileName);
+            if (!file.IsOpen())
+                return AssetCreationResult::NoAction();
+
+            if (file.m_length % sizeof(uint32_t) != 0)
+            {
+                std::cerr << std::format("Invalid pixel shader \"{}\": Size must be dividable by {}\n", assetName, sizeof(uint32_t));
+                return AssetCreationResult::Failure();
+            }
+
+            auto* pixelShader = m_memory.Alloc<MaterialPixelShader>();
+            pixelShader->name = m_memory.Dup(assetName.c_str());
+            pixelShader->prog.loadDef.programSize = static_cast<uint16_t>(static_cast<size_t>(file.m_length) / sizeof(uint32_t));
+            pixelShader->prog.loadDef.loadForRenderer = 0;
+            pixelShader->prog.ps = nullptr;
+
+            auto* fileBuffer = m_memory.Alloc<uint32_t>(pixelShader->prog.loadDef.programSize);
+            file.m_stream->read(reinterpret_cast<char*>(fileBuffer), static_cast<std::streamsize>(pixelShader->prog.loadDef.programSize) * sizeof(uint32_t));
+            if (file.m_stream->gcount() != file.m_length)
+                return AssetCreationResult::Failure();
+
+            pixelShader->prog.loadDef.program = fileBuffer;
+            return AssetCreationResult::Success(context.AddAsset<AssetPixelShader>(assetName, pixelShader));
+        }
+
+    private:
+        MemoryManager& m_memory;
+        ISearchPath& m_search_path;
+    };
+} // namespace
+
+namespace IW4
+{
+    std::string GetPixelShaderFileName(const std::string& pixelShaderAssetName)
+    {
+        return std::format("shader_bin/ps_{}.cso", pixelShaderAssetName);
+    }
+
+    std::unique_ptr<AssetCreator<AssetPixelShader>> CreatePixelShaderLoader(MemoryManager& memory, ISearchPath& searchPath)
+    {
+        return std::make_unique<PixelShaderLoader>(memory, searchPath);
+    }
+} // namespace IW4

src/ObjLoading/Game/IW4/Shader/LoaderPixelShaderIW4.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include "Asset/IAssetCreator.h"
+#include "Game/IW4/IW4.h"
+#include "SearchPath/ISearchPath.h"
+#include "Utils/MemoryManager.h"
+
+#include <memory>
+
+namespace IW4
+{
+    [[nodiscard]] std::string GetPixelShaderFileName(const std::string& pixelShaderAssetName);
+
+    std::unique_ptr<AssetCreator<AssetPixelShader>> CreatePixelShaderLoader(MemoryManager& memory, ISearchPath& searchPath);
+} // namespace IW4

src/ObjLoading/Game/IW4/Shader/LoaderVertexShaderIW4.cpp

@@ -0,0 +1,67 @@
+#include "LoaderVertexShaderIW4.h"
+
+#include "Game/IW4/IW4.h"
+
+#include <cstdint>
+#include <format>
+#include <iostream>
+
+using namespace IW4;
+
+namespace
+{
+    class VertexShaderLoader final : public AssetCreator<AssetVertexShader>
+    {
+    public:
+        VertexShaderLoader(MemoryManager& memory, ISearchPath& searchPath)
+            : m_memory(memory),
+              m_search_path(searchPath)
+        {
+        }
+
+        AssetCreationResult CreateAsset(const std::string& assetName, AssetCreationContext& context) override
+        {
+            const auto fileName = GetVertexShaderFileName(assetName);
+            const auto file = m_search_path.Open(fileName);
+            if (!file.IsOpen())
+                return AssetCreationResult::NoAction();
+
+            if (file.m_length % sizeof(uint32_t) != 0)
+            {
+                std::cerr << std::format("Invalid vertex shader \"{}\": Size must be dividable by {}\n", assetName, sizeof(uint32_t));
+                return AssetCreationResult::Failure();
+            }
+
+            auto* vertexShader = m_memory.Alloc<MaterialVertexShader>();
+            vertexShader->name = m_memory.Dup(assetName.c_str());
+            vertexShader->prog.loadDef.programSize = static_cast<uint16_t>(static_cast<size_t>(file.m_length) / sizeof(uint32_t));
+            vertexShader->prog.loadDef.loadForRenderer = 0;
+            vertexShader->prog.vs = nullptr;
+
+            auto* fileBuffer = m_memory.Alloc<uint32_t>(vertexShader->prog.loadDef.programSize);
+            file.m_stream->read(reinterpret_cast<char*>(fileBuffer), static_cast<std::streamsize>(vertexShader->prog.loadDef.programSize) * sizeof(uint32_t));
+            if (file.m_stream->gcount() != file.m_length)
+                return AssetCreationResult::Failure();
+
+            vertexShader->prog.loadDef.program = fileBuffer;
+            return AssetCreationResult::Success(context.AddAsset<AssetVertexShader>(assetName, vertexShader));
+        }
+
+    private:
+        MemoryManager& m_memory;
+        ISearchPath& m_search_path;
+    };
+} // namespace
+
+namespace IW4
+{
+    std::string GetVertexShaderFileName(const std::string& vertexShaderAssetName)
+    {
+        return std::format("shader_bin/vs_{}.cso", vertexShaderAssetName);
+    }
+
+    std::unique_ptr<AssetCreator<AssetVertexShader>> CreateVertexShaderLoader(MemoryManager& memory, ISearchPath& searchPath)
+    {
+        return std::make_unique<VertexShaderLoader>(memory, searchPath);
+    }
+} // namespace IW4

src/ObjLoading/Game/IW4/Shader/LoaderVertexShaderIW4.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include "Asset/IAssetCreator.h"
+#include "Game/IW4/IW4.h"
+#include "SearchPath/ISearchPath.h"
+#include "Utils/MemoryManager.h"
+
+#include <memory>
+
+namespace IW4
+{
+    [[nodiscard]] std::string GetVertexShaderFileName(const std::string& vertexShaderAssetName);
+
+    std::unique_ptr<AssetCreator<AssetVertexShader>> CreateVertexShaderLoader(MemoryManager& memory, ISearchPath& searchPath);
+} // namespace IW4