Adding nlohmanns json library

src/Engine/Material/CMakeLists.txt

@@ -0,0 +1,6 @@
+target_sources(SeeleEngine
+    PRIVATE
+        Material.h
+        Material.cpp
+        MaterialInstance.h
+        MaterialInstance.cpp)

src/Engine/Material/Material.cpp

@@ -0,0 +1,37 @@
+#include "Material.h"
+#include <nlohmann/json.hpp>
+
+using namespace Seele;
+using json = nlohmann::json;
+
+Material::Material()
+{
+}
+
+Material::Material(const std::string& directory, const std::string& name) 
+    : FileAsset(directory, name)
+{
+}
+
+Material::Material(const std::string& fullPath) 
+    : FileAsset(fullPath)
+{   
+}
+
+Material::~Material()
+{
+}
+
+void Material::compile()
+{
+    auto& stream = getReadStream();
+    stream.seekg(0);
+    json j;
+    stream >> j;
+    std::cout << j["test"] << std::endl;
+}
+
+Gfx::PGraphicsPipeline Material::getPipeline()
+{
+    return pipeline;
+}

src/Engine/Material/Material.h

@@ -0,0 +1,44 @@
+#pragma once
+#include "MinimalEngine.h"
+#include "Asset/FileAsset.h"
+#include "Graphics/GraphicsResources.h"
+#include <nlohmann/json_fwd.hpp>
+
+namespace Seele
+{
+struct FloatExpression
+{
+    float data;
+    std::string name;
+    uint32 location;
+};
+struct VectorExpression
+{
+    Vector data;
+    std::string name;
+    uint32 location;
+};
+struct TextureExpression
+{
+    Gfx::PTexture texture;
+    std::string name;
+    uint32 location;
+};
+DECLARE_NAME_REF(Gfx, GraphicsPipeline);
+DECLARE_NAME_REF(Gfx, PipelineLayout);
+class Material : public FileAsset
+{
+public:
+    Material();
+    Material(const std::string &directory, const std::string &name);
+    Material(const std::string &fullPath);
+    ~Material();
+    void compile();
+    Gfx::PGraphicsPipeline getPipeline();
+
+private:
+    Gfx::PGraphicsPipeline pipeline;
+    Gfx::PPipelineLayout pipelineLayout;
+};
+DEFINE_REF(Material);
+} // namespace Seele

src/Engine/Material/MaterialInstance.cpp

@@ -0,0 +1,32 @@
+#include "MaterialInstance.h"
+#include "Material.h"
+
+using namespace Seele;
+
+MaterialInstance::MaterialInstance()
+{
+}
+
+MaterialInstance::MaterialInstance(const std::string& directory, const std::string& name) 
+    : FileAsset(directory, name)
+{
+}
+
+MaterialInstance::MaterialInstance(const std::string& fullPath) 
+    : FileAsset(fullPath)
+{   
+}
+
+MaterialInstance::~MaterialInstance()
+{
+}
+
+PMaterial MaterialInstance::getBaseMaterial() const
+{
+    return baseMaterial;
+}
+
+Gfx::PDescriptorSet MaterialInstance::getDescriptor()
+{
+    return nullptr;
+}

src/Engine/Material/MaterialInstance.h

@@ -0,0 +1,21 @@
+#pragma once
+#include "Asset/FileAsset.h"
+
+namespace Seele
+{
+DECLARE_NAME_REF(Gfx, DescriptorSet);
+DECLARE_REF(Material);
+class MaterialInstance : public FileAsset
+{
+public:
+    MaterialInstance();
+    MaterialInstance(const std::string& directory, const std::string& name);
+    MaterialInstance(const std::string& fullPath);
+    ~MaterialInstance();
+    PMaterial getBaseMaterial() const;
+    Gfx::PDescriptorSet getDescriptor();
+private:
+    PMaterial baseMaterial;
+};
+DEFINE_REF(MaterialInstance);
+} // namespace Seele