Added UI component, resource & system. Now renders on screen and live reloads

Nuake/src/Scene/Components/UIComponent.cpp

@@ -0,0 +1 @@
+#include "UIComponent.h"

Nuake/src/Scene/Components/UIComponent.h

@@ -0,0 +1,17 @@
+#pragma once
+#include "src/Core/Object/Object.h"
+#include "src/Resource/UUID.h"
+
+namespace Nuake
+{
+	struct UIComponent
+	{
+		NUAKECOMPONENT(UIComponent, "UI Component");
+
+		UUID UIResource = UUID(0);
+		std::string CSharpUIController;
+		std::string UIFilePath;
+		bool IsWorldSpace;
+		// TODO: Z-Ordering
+	};
+}

Nuake/src/Scene/Scene.cpp

@@ -12,7 +12,8 @@
 #include "src/Scene/Systems/QuakeMapBuilder.h"
 #include "src/Scene/Systems/ParticleSystem.h"
 #include "src/Scene/Systems/AnimationSystem.h"
-#include <src/Scene/Systems/AudioSystem.h>
+#include "src/Scene/Systems/AudioSystem.h"
+#include "src/Scene/Systems/UISystem.h"
 
 #include "src/Rendering/SceneRenderer.h"
 #include "src/Rendering/Renderer.h"
@@ -54,6 +55,7 @@ namespace Nuake
 
 		// Adding systems - Order is important
 		m_Systems.push_back(CreateRef<PhysicsSystem>(this));
+		m_Systems.push_back(CreateRef<UISystem>(this));
 		m_Systems.push_back(CreateRef<ScriptingSystem>(this));
 		m_Systems.push_back(CreateRef<AnimationSystem>(this));
 		m_Systems.push_back(CreateRef<TransformSystem>(this));
@@ -237,7 +239,6 @@ namespace Nuake
 			}
 		}
 
-
 		return false;
 	}
 

Nuake/src/Scene/Systems/UISystem.cpp

@@ -0,0 +1,70 @@
+#include "UISystem.h"
+#include "src/Resource/ResourceManager.h"
+#include "src/Resource/ResourceLoader.h"
+#include "src/Resource/UI.h"
+#include "src/Scene/Scene.h"
+#include "src/FileSystem/File.h"
+#include "src/Scene/Components/UIComponent.h"
+#include "src/FileSystem/FileSystem.h"
+
+namespace Nuake
+{
+	UISystem::UISystem(Scene* scene)
+	{
+		m_Scene = scene;
+	}
+
+	bool UISystem::Init()
+	{
+		return true;
+	}
+
+	void UISystem::Update(Timestep ts)
+	{
+		auto uiView = m_Scene->m_Registry.view<UIComponent>();
+		for (auto e : uiView)
+		{
+			auto& uiViewComponent = uiView.get<UIComponent>(e);
+			const std::string& filePath = uiViewComponent.UIFilePath;
+			if (uiViewComponent.UIResource == 0)
+			{
+				if (filePath.empty() || !FileSystem::FileExists(filePath))
+				{
+					continue;
+				}
+
+				Ref<UIResource> uiResource = ResourceLoader::LoadUI(filePath);
+				uiViewComponent.UIResource = uiResource->ID;
+				uis[uiViewComponent.UIResource] = uiResource;
+
+				ResourceManager::RegisterResource(uiResource);
+			}
+			else
+			{
+				if (FileSystem::FileExists(filePath))
+				{
+					Ref<File> file = FileSystem::GetFile(filePath);
+					if (file->GetHasBeenModified())
+					{
+						uis[uiViewComponent.UIResource]->Reload();
+						file->SetHasBeenModified(false);
+					}
+
+					uis[uiViewComponent.UIResource]->Draw();
+				}
+			}
+		}
+	}
+
+	void UISystem::FixedUpdate(Timestep ts)
+	{
+	}
+
+	void UISystem::EditorUpdate()
+	{
+	}
+
+	void UISystem::Exit()
+	{
+	}
+}

Nuake/src/Scene/Systems/UISystem.h

@@ -0,0 +1,28 @@
+#pragma once
+#include "src/Resource/UUID.h"
+#include "src/Scene/Systems/System.h"
+#include "src/Core/Maths.h"
+
+
+namespace Nuake
+{
+	class UIResource;
+
+	class UISystem : public System
+	{
+	public:
+		UISystem(Scene* scene);
+		bool Init() override;
+
+		void Update(Timestep ts) override;
+		void EditorUpdate() override;
+		void FixedUpdate(Timestep ts) override;
+
+		void Draw() override {}
+
+		void Exit() override;
+
+	private:
+		std::map<UUID, Ref<UIResource>> uis;
+	};
+}