private void Tick()
{
switch (_state)
{
case States.Warmup:
_warmUpTimeLeft -= _dt;
if (_warmUpTimeLeft <= 0.0f)
{
// Render first frame
_player.Play();
if (!_player.IsPlaying)
{
Editor.LogError("Scene Animation Player failed to start playing.");
CancelRendering();
}
_warmUpTimeLeft = -1;
_state = States.Render;
}
break;
case States.Update:
// Update scene animation with a fixed delta-time
if (!_player.IsStopped)
{
var speed = _player.Speed * (_window?._timeline.Player?.Speed ?? 1.0f);
if (speed <= 0.001f)
{
Editor.LogError("Scene Animation Player speed was nearly zero. Cannot continue rendering.");
CancelRendering();
break;
}
var dt = _dt * speed;
_player.Tick(dt);
_animationFrame++;
Editor.Log("Tick anim by " + dt + " to frame " + _animationFrame + " into time " + _player.Time);
_progress.Update((_player.Time - _options.StartTime) / (_options.EndTime - _options.StartTime), _animationFrame);
}
if (_player.IsStopped || _player.Time >= _options.EndTime)
{
// End rendering but perform remaining copies of the staging textures so all data is captured (from GPU to CPU)
_state = States.Staging;
break;
}
// Now wait for the next frame to be rendered
_state = States.Render;
break;
}
}
private void StartRendering()
{
if (_isRendering)
{
return;
}
var editor = Editor.Instance;
// Check if save the asset before rendering
if (_window.IsEdited)
{
var result = MessageBox.Show("Save scene animation asset to file before rendering?", "Save?", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
_window.Save();
}
else if (result != DialogResult.No)
{
return;
}
}
// Update UI
_isRendering = true;
_presenter.Panel.Enabled = false;
_presenter.BuildLayoutOnUpdate();
// Start rendering
Editor.Log("Starting scene animation rendering " + _options.Animation);
_dt = 1.0f / _options.FrameRate;
_player = new SceneAnimationPlayer
{
Animation = _options.Animation,
HideFlags = HideFlags.FullyHidden,
RestoreStateOnStop = true,
PlayOnStart = false,
RandomStartTime = false,
StartTime = _options.StartTime,
UpdateMode = SceneAnimationPlayer.UpdateModes.Manual,
};
FlaxEngine.Scripting.Update += Tick;
_wasGamePaused = Time.GamePaused;
Time.GamePaused = false;
Time.SetFixedDeltaTime(true, _dt);
Time.UpdateFPS = Time.DrawFPS = _options.FrameRate;
if (!Editor.IsPlayMode)
{
Time.PhysicsFPS = 0;
}
Level.SpawnActor(_player);
var gameWin = editor.Windows.GameWin;
var resolution = _options.GetResolution();
gameWin.Viewport.CustomResolution = resolution;
gameWin.Viewport.BackgroundColor = Color.Black;
gameWin.Viewport.KeepAspectRatio = true;
gameWin.Viewport.Task.PostRender += OnPostRender;
if (!gameWin.Visible)
{
gameWin.Show();
}
else if (!gameWin.IsFocused)
{
gameWin.Focus();
}
_gameWindow = gameWin;
_warmUpTimeLeft = _options.WarmUpTime;
_animationFrame = 0;
var stagingTextureDesc = GPUTextureDescription.New2D(resolution.X, resolution.Y, gameWin.Viewport.Task.Output.Format, GPUTextureFlags.None);
stagingTextureDesc.Usage = GPUResourceUsage.StagingReadback;
for (int i = 0; i < _stagingTextures.Length; i++)
{
_stagingTextures[i].Texture = new GPUTexture();
_stagingTextures[i].Texture.Init(ref stagingTextureDesc);
_stagingTextures[i].AnimationFrame = -1;
_stagingTextures[i].TaskFrame = -1;
}
_player.Play();
if (!_player.IsPlaying)
{
Editor.LogError("Scene Animation Player failed to start playing.");
CancelRendering();
return;
}
if (_warmUpTimeLeft > 0.0f)
{
// Start warmup time
_player.Tick(0.0f);
_player.Pause();
_state = States.Warmup;
}
else
{
// Render first frame
_state = States.Render;
}
if (!Editor.IsPlayMode)
{
_editorState = new RenderEditorState(editor, this);
editor.StateMachine.AddState(_editorState);
editor.StateMachine.GoToState(_editorState);
}
_progress = new RenderProgress();
editor.ProgressReporting.RegisterHandler(_progress);
_progress.Start();
}