/// <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)
{
base.Draw(gameTime);
_framesAccum++;
var elapsed = gameTime.TotalGameTime.TotalSeconds - _lastFPSUpdateSeconds;
if (elapsed >= 1.0)
{
_lastFPS = _framesAccum.ToString();
_lastFPSUpdateSeconds = gameTime.TotalGameTime.TotalSeconds - (elapsed - 1.0);
_framesAccum = 0;
}
HandmadeCore.RenderVideo(gameState, _drawBuffer, _viewport.Width, _viewport.Height);
// Suuuuuper slow
// TODO Try drawing pixel-sized colored textures directly?
_backBuffer.SetData <UInt32>(_drawBuffer);
_spriteBatch.Begin(blendState: BlendState.NonPremultiplied);
_spriteBatch.Draw(_backBuffer, position: Vector2.Zero);
_spriteBatch.DrawString(_monoFont, _lastFPS, _cfg.DebugPanelPos, Color.White);
Vector2 consolePos = new Vector2(0f, _viewport.Height) + _cfg.DebugConsolePos;
Color consoleCol = Color.White;
for (int i = 0; i < 5; i++)
{
if (_logStrings.Count == i)
{
break;
}
consoleCol.A = (byte)(255 - (byte)(255f / 6 * i));
_spriteBatch.DrawString(_monoFont, _logStrings[i], consolePos, consoleCol);
consolePos.Y += -20f;
}
_spriteBatch.End();
}
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
if (isPaused)
{
return;
}
base.Update(gameTime);
// TODO Do proper input handling (key down/up events)
if (Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
if (Keyboard.GetState().IsKeyDown(Keys.RightControl))
{
if (Keyboard.GetState().IsKeyDown(Keys.D1))
{
SaveGameStateToSlot(1);
}
}
if (Keyboard.GetState().IsKeyDown(Keys.RightShift))
{
if (Keyboard.GetState().IsKeyDown(Keys.D1))
{
ReadGameStateFromSlot(1);
}
}
HandmadeCore.Update(gameState, gameTime);
while (_audioInstance.PendingBufferCount < DynamicSoundEffectInstance.BufferCount)
{
HandmadeCore.RenderAudio(gameState, _cfg, _audioBuffer);
_audioInstance.SubmitBuffer(_audioBuffer);
}
}
