Added splash screen

Editor/src/Windows/LoadingSplash.cpp

@@ -0,0 +1,51 @@
+#include "LoadingSplash.h"
+
+#include "../Misc/InterfaceFonts.h"
+
+#include <src/Core/Maths.h>
+#include "src/Window.h"
+
+
+#include <src/Vendors/imgui/imgui.h>
+
+#include <dependencies/glfw/include/GLFW/glfw3.h>
+#include <src/Rendering/Textures/TextureManager.h>
+
+
+LoadingSplash::LoadingSplash()
+{
+	_NuakeLogo = Nuake::TextureManager::Get()->GetTexture(NUAKE_LOGO_PATH);
+
+	Nuake::Window::Get()->SetDecorated(false);
+	Nuake::Window::Get()->SetSize({ 640, 480 });
+	Nuake::Window::Get()->Center();
+}
+
+void LoadingSplash::Draw()
+{
+	using namespace Nuake;
+
+	// Make viewport fullscreen
+	ImGuiViewport* viewport = ImGui::GetMainViewport();
+	ImGui::SetNextWindowPos(viewport->Pos);
+	ImGui::SetNextWindowSize(viewport->Size);
+	ImGui::SetNextWindowViewport(viewport->ID);
+
+	ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f);
+	ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(32.0f, 32.0f));
+	ImGui::Begin("Welcome Screen", 0, ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoResize);
+	{
+		// Draw Nuake logo
+		{
+			const Vector2 logoSize = _NuakeLogo->GetSize();
+			const ImVec2 imguiSize = ImVec2(logoSize.x, logoSize.y);
+			ImGui::Image((ImTextureID)_NuakeLogo->GetID(), imguiSize, ImVec2(0, 1), ImVec2(1, 0));
+		}
+
+		ImGui::Text("LOADING SCENE...");
+	}
+
+	ImGui::End();
+	ImGui::PopStyleVar();
+	ImGui::PopStyleVar();
+}