Change project structure;

Added new c# binding;

native/header/Window.h

@@ -0,0 +1,27 @@
+#ifndef WINDOW_H
+#define WINDOW_H
+
+#include "Common.h"
+#include "Rendering/Renderer.h"
+#include <stdint.h>
+#include <windows.h>
+
+#define WM_USER_TILE_DONE (WM_USER + 1)
+
+// TODO: This is just a temporary solution. We may move to C# Windows SDK for easier GUI handling in the future.
+
+static HWND hwnd;
+static HANDLE render_thread;
+static HDC hdc_mem;
+static HBITMAP bitmap;
+static BITMAPINFO bitmap_info;
+static int window_width;
+static int window_height;
+static unsigned char* pixel_buffer;
+
+bool window_create(const char* title, HINSTANCE hInst, int width, int height, render_job_t* render_job);
+void window_update_pixel(vec4s color, int pixel_x, int pixel_y);
+void window_refresh_region(int pixel_x, int pixel_y, int region_width, int region_height);
+void window_close();
+
+#endif // WINDOW_H