From 740ddc2ca650ab014f04438a64a8d88624d05d09 Mon Sep 17 00:00:00 2001
From: Robert <Robert-Altner@t-online.de>
Date: Sat, 16 May 2020 15:40:57 +0200
Subject: [PATCH] Added creation routine

---
 SDLU/CMakeLists.txt            |  1 +
 SDLU/SDLU.hpp                  |  2 +-
 SDLU/graphics/RenderWindow.cpp | 44 ++++++++++++++++++++++++++++
 SDLU/graphics/RenderWindow.hpp | 53 +++++++++++++++++++++++++++++++++-
 4 files changed, 98 insertions(+), 2 deletions(-)

diff --git a/SDLU/CMakeLists.txt b/SDLU/CMakeLists.txt
index 763596d..ad6bc11 100644
--- a/SDLU/CMakeLists.txt
+++ b/SDLU/CMakeLists.txt
@@ -6,6 +6,7 @@ add_library(${PNAME}
 
 target_include_directories(${PNAME} PRIVATE
 	${PROJECT_SOURCE_DIR}/3rdparty/SDL/include
+	${CMAKE_CURRENT_LIST_DIR}
 )
 
 target_link_libraries(${PNAME} PRIVATE
diff --git a/SDLU/SDLU.hpp b/SDLU/SDLU.hpp
index df523b9..063db19 100644
--- a/SDLU/SDLU.hpp
+++ b/SDLU/SDLU.hpp
@@ -1,3 +1,3 @@
 #pragma once
 
-#include "structures/Vector2.hpp"
\ No newline at end of file
+#include "graphics/RenderWindow.hpp"
\ No newline at end of file
diff --git a/SDLU/graphics/RenderWindow.cpp b/SDLU/graphics/RenderWindow.cpp
index e69de29..9643077 100644
--- a/SDLU/graphics/RenderWindow.cpp
+++ b/SDLU/graphics/RenderWindow.cpp
@@ -0,0 +1,44 @@
+#include "RenderWindow.hpp"
+
+#define IS_NULLPTR( x ) (x == nullptr)
+
+namespace sdlu
+{
+    RenderWindow::RenderWindow()
+    {
+    }
+
+    RenderWindow::RenderWindow(Vector2u dimension, const std::string& title,
+        Uint32 windowFlags, Uint32 rendererFlags)
+    {
+        Create(dimension, title, windowFlags, rendererFlags);
+    }
+
+    void RenderWindow::Create(Vector2u dimension, const std::string& title,
+        Uint32 windowFlags, Uint32 rendererFlags)
+    {
+        // Leave the function if the window or render already exist
+        if (!IS_NULLPTR(m_pWindow) ||
+            !IS_NULLPTR(m_pRenderer))
+        {
+            return;
+        }
+
+        m_pWindow = SDL_CreateWindow(title.c_str(),
+                                    SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
+                                    dimension.x, dimension.y,
+                                    windowFlags);
+        if (IS_NULLPTR(m_pWindow))
+        {
+            // TODO: Implement exception
+            return
+        }
+
+        m_pRenderer = SDL_CreateRenderer(m_pWindow, -1, rendererFlags);
+        if (IS_NULLPTR(m_pRenderer))
+        {
+            // TODO: Implement exception
+            return
+        }
+    }
+}
\ No newline at end of file
diff --git a/SDLU/graphics/RenderWindow.hpp b/SDLU/graphics/RenderWindow.hpp
index 7b9637e..e303002 100644
--- a/SDLU/graphics/RenderWindow.hpp
+++ b/SDLU/graphics/RenderWindow.hpp
@@ -1 +1,52 @@
-#pragma once
\ No newline at end of file
+/**
+ * @file RenderWindow.hpp
+ * @brief A wrapper around SDL_Window and SDL_Renderer
+ * @author Lauchmelder23
+ * @date 16.05.2020
+ */
+#pragma once
+#include <string>
+#include <SDL.h>
+
+#include "../structures/Vector2.hpp"
+
+namespace sdlu
+{
+    class RenderWindow
+    {
+    public:
+        /**
+         * @brief Default Constructor. No window or renderer is created.
+         */
+        RenderWindow();
+
+        /**
+         * @brief Creates a window and renderer with the given parameters
+         *
+         * @param dimension A vector containing the width and height
+         * @param title     The title of the create window
+         */
+        RenderWindow(Vector2u dimension, const std::string& title, 
+            Uint32 windowFlags, Uint32 rendererFlags);
+
+        RenderWindow(const RenderWindow& other) = delete;
+        RenderWindow(const RenderWindow&& other) = delete;
+
+        /**
+         * @brief Creates the window and renderer.
+         *
+         * This function creates the SDL_Window and SDL_Renderer objects. If
+         * they were already created the function does nothing and returns.
+         * If it fails to create either, an ObjectCreationException is thrown.
+         *
+         * @param dimension A vector containing the width and height
+         * @param title     The title of the create window
+         */
+        void Create(Vector2u dimension, const std::string& title, 
+            Uint32 windowFlags, Uint32 rendererFlags);
+
+    private:
+        SDL_Window* m_pWindow;
+        SDL_Renderer* m_pRenderer;
+    };
+}
\ No newline at end of file