private async void ServiceBeatmapChangeRequest()
{
// acquire mutually exclusive entry into this method
serviceBeatmapRequestLocked = true;
Beatmap candidateOriginalBeatmap = null, candidateNewBeatmap = null;
while (completedBeatmapRequest == null || completedBeatmapRequest.RequestNumber != mapChangeRequests.Last().RequestNumber)
{
completedBeatmapRequest = mapChangeRequests.Last();
candidateOriginalBeatmap = await Task.Run(() => LoadBeatmap(mapChangeRequests.Last().Name));
if (candidateOriginalBeatmap != null)
{
candidateNewBeatmap = new Beatmap(candidateOriginalBeatmap);
}
// if a new request came in, invalidate candidate beatmap and service the new request
}
// no new requests, we can commit to using this beatmap
OriginalBeatmap = candidateOriginalBeatmap;
NewBeatmap = candidateNewBeatmap;
if (OriginalBeatmap == null)
{
SetState(EditorState.NOT_READY);
NotReadyReason = BadBeatmapReason.ERROR_LOADING_BEATMAP;
BeatmapSwitched?.Invoke(this, EventArgs.Empty);
}
else
{
if (OriginalBeatmap.HitObjectCount == 0)
{
SetState(EditorState.NOT_READY);
NotReadyReason = BadBeatmapReason.EMPTY_MAP;
BeatmapSwitched?.Invoke(this, EventArgs.Empty);
}
else
{
// Apply multiplier
if (BpmIsLocked)
{
SetBpm(lockedBpm);
}
NewBeatmap.SetRate(BpmRate);
// Apply bpm scaled settings
if (ScaleAR)
{
NewBeatmap.ApproachRate = DifficultyCalculator.CalculateMultipliedAR(candidateOriginalBeatmap, BpmRate);
}
if (ScaleOD)
{
NewBeatmap.OverallDifficulty = DifficultyCalculator.CalculateMultipliedOD(candidateOriginalBeatmap, BpmRate);
}
// Apply locked settings to new map
if (HpIsLocked)
{
NewBeatmap.HPDrainRate = lockedHP;
}
if (CsIsLocked)
{
NewBeatmap.CircleSize = lockedCS;
}
if (ArIsLocked)
{
NewBeatmap.ApproachRate = lockedAR;
}
if (OdIsLocked)
{
NewBeatmap.OverallDifficulty = lockedOD;
}
// Apply Hardrock
if (ForceHardrockCirclesize)
{
NewBeatmap.CircleSize = OriginalBeatmap.CircleSize * 1.3M;
}
SetState(EditorState.READY);
RequestDiffCalc();
BeatmapSwitched?.Invoke(this, EventArgs.Empty);
BeatmapModified?.Invoke(this, EventArgs.Empty);
}
}
ControlsModified?.Invoke(this, EventArgs.Empty);
serviceBeatmapRequestLocked = false;
}
public void ForceEventBeatmapSwitched() => BeatmapSwitched?.Invoke(this, EventArgs.Empty);