private void DoTransition(BackgroundTransition bgt)
{
if (FromBG == null)
{
return;
}
if (ToBG == null)
{
throw new Exception("Cannot do transition when target BG is null");
}
var pb = new MaterialPropertyBlock();
var mat = Instantiate(baseMixerMaterial);
float timeout = bgt.TimeToFinish();
var cts = new Cancellable();
transitionCTS.Add(cts);
Func <bool>?condition = null;
if (bgt.type == BackgroundTransition.EffectType.WipeTex)
{
bgt.WipeTex.Apply(mat);
CombinerKeywords.Apply(mat, CombinerKeywords.WIPE_TEX);
}
else if (bgt.type == BackgroundTransition.EffectType.Wipe1)
{
bgt.Wipe1.Apply(mat);
CombinerKeywords.Apply(mat, CombinerKeywords.WIPE1);
}
else if (bgt.type == BackgroundTransition.EffectType.WipeFromCenter)
{
bgt.WipeFromCenter.Apply(mat);
CombinerKeywords.Apply(mat, CombinerKeywords.WIPEFROMCENTER);
}
else if (bgt.type == BackgroundTransition.EffectType.Shatter4)
{
Action cb = WaitingUtils.GetCondition(out condition);
FromBG.Shatter4(bgt.Shatter4, false, cb);
CombinerKeywords.Apply(mat, CombinerKeywords.TO_ONLY);
}
else if (bgt.type == BackgroundTransition.EffectType.WipeY)
{
bgt.WipeY.Apply(mat);
CombinerKeywords.Apply(mat, CombinerKeywords.WIPEY); //TODO apply these two generics from within the BGT scope.
}
BackgroundCombiner.SetMaterial(mat, pb);
void Finish()
{
if (!cts.Cancelled)
{
FinishTransition();
}
transitionCTS.Remove(cts);
}
if (condition == null)
{
if (timeout > 0)
{
WaitingUtils.WaitThenCBEvenIfCancelled(this, cts, timeout, false, Finish);
}
else
{
throw new Exception("Cannot wait for transition without a timeout or condition");
}
}
else
{
WaitingUtils.WaitThenCBEvenIfCancelled(this, cts, timeout, condition, Finish);
}
}
public void QueueTransition(BackgroundTransition bgt) => nextRequestedTransition = bgt;