/// <summary>
/// This is called when the game should draw itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Draw(GameTime gameTime)
{
//Check for GD changes
//It's done here because applychanges can cause issues
//when called repeatedly - Window Resize causes a stack overflow
//Monogame is dumb :'(
if (_graphicsDeviceIsDirty)
{
if (Window.ClientBounds.Width < 800)
{
_graphics.PreferredBackBufferWidth = 800;
}
if (Window.ClientBounds.Height < 480)
{
_graphics.PreferredBackBufferHeight = 480;
}
_graphics.ApplyChanges();
_graphicsDeviceIsDirty = false;
}
if (!IsActive || !_hasInitialized)
{
return; //No need to draw if we are not in focus or haven't initialized
}
Diagnostics.BeginMeasurement("Rendering");
//Write diagnostics to file every 300 frames in debug mode (for perf monitoring)
_debugDiagnosticsCounter++;
if (_debugDiagnosticsCounter == 300 && GlobalSettings.Debug)
{
_debugDiagnosticsCounter = 0;
Logger.Error(Diagnostics.ToString());
}
EnsureRenderTargetSizing();
//set the render target
GraphicsDevice.SetRenderTarget(_worldRenderTarget);
GraphicsDevice.Clear(Client?.Game?.Map?.BackgroundColor ?? Color.Black);
if (Client?.Game != null)
{
//Update the draw rectangle
RectangleF computedDrawRectangle = new RectangleF();
if (CurrentViewedTank != null)
{
UpdateCameraSwingAndMotionZoom(CurrentViewedTank, gameTime);
computedDrawRectangle = ComputeDrawRectangle(CurrentViewedTank);
}
Diagnostics.BeginMeasurement("World rendering", "Rendering");
//Tell the game world renderer what to do
GameRenderer.Game = Client.Game;
GameRenderer.View = computedDrawRectangle;
GameRenderer.Target = _worldRenderTarget;
GameRenderer.Draw(gameTime);
Diagnostics.EndMeasurement("World rendering", "Rendering");
//And draw to screen
Diagnostics.BeginMeasurement("Copy to screen", "Rendering");
//Blit to screen
GraphicsDevice.SetRenderTarget(null);
_spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.NonPremultiplied,
SamplerState.AnisotropicWrap, DepthStencilState.Default, RasterizerState.CullNone);
_spriteBatch.Draw(_worldRenderTarget, GraphicsDevice.Viewport.Bounds, Color.White);
_spriteBatch.End();
Diagnostics.EndMeasurement("Copy to screen", "Rendering");
DrawPointingDirectionTriangle();
}
//And draw to the screen
GraphicsDevice.SetRenderTarget(null);
Diagnostics.BeginMeasurement("Draw debug text", "Rendering");
DebugDrawer?.DrawDebugInfo(gameTime);
Diagnostics.EndMeasurement("Draw debug text", "Rendering");
//And render the draw
_ui.Draw(gameTime);
base.Draw(gameTime);
Diagnostics.EndMeasurement("Rendering");
}
