private static void Draw(SpriteBatch spr)
{
JEngine.Camera.UpdateMatrix(JEngine.MainGraphicsDevice);
JEngine.MainGraphicsDevice.SetRenderTarget(null);
JEngine.MainGraphicsDevice.Clear(JEngine.BackgroundColor);
SamplerState s = JEngine.Camera.Zoom > 1 ? SamplerState.PointClamp : SamplerState.LinearClamp;
spr.Begin(SpriteSortMode.Deferred, null, s, null, null, null, JEngine.Camera.GetMatrix());
// Draw the world.
JEngine.EngineDraw();
DrawPending(spr);
Debug.Draw(spr);
spr.End();
InUIDraw = true;
spr.Begin(SpriteSortMode.Deferred, null, SamplerState.PointClamp, null, null, null, null);
// Draw the UI.
JEngine.EngineDrawUI();
Debug.DrawUI(spr);
spr.End();
// Draw the ECS UI.
UserInterface.Active.Draw(spr);
InUIDraw = false;
Statistics.RenderTargetDraws = GameScreen.RTDrawCount;
GameScreen.RTDrawCount = 0;
}
public static void Start()
{
try
{
using (var game = new JEngine())
{
JEngine.Instance = game;
game.Run();
JEngine.Instance = null;
}
}
finally
{
Debug.Shutdown();
}
}
private static void Update()
{
cumulativeFrames++;
if (frameTimer.Elapsed.TotalSeconds >= 1.0)
{
frameTimer.Restart();
Framerate = cumulativeFrames;
cumulativeFrames = 0;
}
Input.StartFrame();
Debug.Update();
#region Debug Text
Debug.Text($"FPS: {Framerate:F0} (Target: {(TargetFramerate == 0 ? "uncapped" : TargetFramerate.ToString("F0"))}, VSync: {VSyncMode})");
Debug.Text($"Time Scale: {Time.TimeScale}");
Debug.Text($"Screen Res: ({Screen.Width}x{Screen.Height})");
Debug.Text($"Allocated memory: {System.GC.GetTotalMemory(false) / 1024 / 1024}MB.");
Debug.Text($"Texture Swap Count: {Loop.Statistics.DrawMetrics.TextureCount}");
Debug.Text($"Draw Calls: {Loop.Statistics.DrawMetrics.DrawCount}");
Debug.Text($"Sprites Drawn: {Loop.Statistics.DrawMetrics.SpriteCount}");
Debug.Text($"Render Target Draw Count: {Loop.Statistics.RenderTargetDraws}");
Debug.Text($"Total Entities: {JEngine.Entities.EntityCount} of {JEngine.Entities.MaxEntityCount}.");
var tm = JEngine.TileMap;
var tilePos = tm.PixelToTileCoords((int)Input.MouseWorldPos.X, (int)Input.MouseWorldPos.Y);
var chunkPos = tm.TileToChunkCoords(tilePos.X, tilePos.Y);
Chunk chunk = tm.GetChunk(chunkPos);
Debug.Box(new Rectangle(chunkPos.X * Chunk.SIZE * Tile.SIZE, chunkPos.Y * Chunk.SIZE * Tile.SIZE, Chunk.SIZE * Tile.SIZE, Chunk.SIZE * Tile.SIZE), new Color(20, 60, 160, 50));
if (chunk == null)
{
Debug.Text($"Chunk under mouse ({chunkPos}) is not loaded.");
}
else
{
Debug.Text($"Chunk under mouse: {chunkPos}, contains {chunk.EntityCount} entities.");
}
#endregion
if (Input.KeyDown(Keys.E))
{
JEngine.Camera.UpdateViewBounds = !JEngine.Camera.UpdateViewBounds;
}
// Update currently active screen.
JEngine.EngineUpdate();
}
public static void ToggleFullscreen()
{
JEngine.AddAction(() =>
{
if (!JEngine.GraphicsDeviceManager.IsFullScreen)
{
oldW = Width;
oldH = Height;
oldPos = JEngine.GameWindow.Position;
JEngine.GraphicsDeviceManager.PreferredBackBufferWidth = MonitorWidth;
JEngine.GraphicsDeviceManager.PreferredBackBufferHeight = MonitorHeight;
}
else
{
JEngine.GraphicsDeviceManager.PreferredBackBufferWidth = oldW;
JEngine.GraphicsDeviceManager.PreferredBackBufferHeight = oldH;
JEngine.GameWindow.Position = oldPos;
}
JEngine.GraphicsDeviceManager.ApplyChanges();
JEngine.GraphicsDeviceManager.ToggleFullScreen();
});
}
