public void SetTarget(Vector3Int chunkId, int targetStage, TargetUpdateMode mode = TargetUpdateMode.any)
{
CheckLockBeforeExternalOperation();
//TODO remove DEBUG
if (targetStage != FullyGeneratedStage &&
targetStage != RenderedStage &&
targetStage != CompleteStage &&
targetStage != OwnStructuresStage &&
targetStage != TerrainDataStage)
{
throw new ArgumentOutOfRangeException("Target stage was not one of the valid target stages");
}
var stageData = GetStageData(chunkId);
var prevTarget = stageData.targetStage;
//Clamp the target stage
clampTarget(ref targetStage, stageData.maxStage, chunkId);
if (prevTarget == targetStage)
{
//If targets equal, no work to be done
return;
}
//Upgrade
if (targetStage > prevTarget)
{
if (!mode.allowsUpgrade())
{
return;//Nothing to be done if the mode does not allow upgrading
}
if (stageData.WorkInProgress)//Have to check work in progress against the old target
{
//The existing work will reach the new target
//Set new target stage
stageData.targetStage = targetStage;
}
else
{
//Set new target stage
stageData.targetStage = targetStage;
//Must restart work from previous max
ReenterAtStage(chunkId, stageData.maxStage, stageData);
}
}
else//Downgrade
{
if (!mode.allowsDowngrade())
{
return;//Nothing to be done if the mode does not allow downgrading
}
var prevMax = stageData.maxStage;
//Set new target stage
stageData.targetStage = targetStage;
var newMax = Math.Min(targetStage, stageData.maxStage);
stageData.maxStage = newMax;
if (stageData.maxStage < prevMax)
{
//Downgrading the maximum state of the chunk
var chunkComponent = getChunkComponent(chunkId);
if (stageData.maxStage < CompleteStage)
{
chunkComponent.RemoveCollisionMesh();
}
if (stageData.maxStage < RenderedStage)
{
chunkComponent.RemoveRenderMesh();
}
if (stageData.maxStage < FullyGeneratedStage)
{
chunkComponent.Data.FullyGenerated = false;
}
//Ensure min stage isn't greater than max
SetNewMinimumIfSmallerThanCurrent(chunkId, stageData, stageData.maxStage);
}
else
{
/* target has decreased, but the chunk never reached a higher stage than that,
* so nothing extra has to be done. Work in progress will stop at the new target
*/
}
Profiler.BeginSample("ChunkTargetDecreasedEvent");
OnChunkTargetStageDecreased(chunkId, stageData.targetStage);
Profiler.EndSample();
}
}
public static bool allowsDowngrade(this TargetUpdateMode mode)
{
return(mode == TargetUpdateMode.any || mode == TargetUpdateMode.downgradeOnly);
}
