private Vector3 BirdseyePosition(ChunkView chunkView, ChunkRequest chunkRequest, ChunkFeature chunkFeature, ChunkFeatureView chunkFeatureView)
{
int depth = ChunkMath.Depth(chunkRequest);
int side = ChunkMath.Side(chunkRequest);
int depthStartChunkNum = ChunkMath.DepthStartChunkNum(chunkRequest);
int sideStartChunkNum = ChunkMath.SideStartChunkNum(chunkRequest);
int sideChunkNum = ChunkMath.SideChunkNum(chunkRequest);
switch (side)
{
case 0:
return(Position(chunkRequest, chunkReference.Northeast, chunkReference.Northwest, sideChunkNum, depth, chunkFeature, chunkFeatureView));
case 1:
return(Position(chunkRequest, chunkReference.East, chunkReference.Northeast, sideChunkNum, depth, chunkFeature, chunkFeatureView));
case 2:
return(Position(chunkRequest, chunkReference.Southeast, chunkReference.East, sideChunkNum, depth, chunkFeature, chunkFeatureView));
case 3:
return(Position(chunkRequest, chunkReference.Southwest, chunkReference.Southeast, sideChunkNum, depth, chunkFeature, chunkFeatureView));
case 4:
return(Position(chunkRequest, chunkReference.West, chunkReference.Southwest, sideChunkNum, depth, chunkFeature, chunkFeatureView));
case 5:
return(Position(chunkRequest, chunkReference.Northwest, chunkReference.West, sideChunkNum, depth, chunkFeature, chunkFeatureView));
}
Debug.LogError("Failed to compute spiral chunk position");
return(Vector3.zero);
}
private List <ChunkFeature> GetUnfittedChunkIndices(ChunkRequest chunkRequest, List <ChunkFeature> chunkFeatures)
{
List <ChunkFeature> unfittedChunkIndices = new List <ChunkFeature>();
for (int index = 0; index < chunkFeatures.Count; ++index)
{
ChunkFeature chunkFeature = chunkFeatures[index];
ChunkFeature chunkChainedFeature = chunkFeature;
int chunkNumOffset = 0;
bool chained = false;
while (chunkChainedFeature != null)
{
ChunkRequest nextChunkRequest = new ChunkRequest()
{
chunkNum = chunkRequest.chunkNum - chunkNumOffset,
};
if (chained && nextChunkRequest.chunkNum != 0 && nextChunkRequest.chunkNum == chunkRequest.sprintEndChunkNum)
{
unfittedChunkIndices.Add(chunkFeature);
break;
}
int nextDepth = ChunkMath.Depth(nextChunkRequest);
int nextDepthStartChunkNum = ChunkMath.DepthStartChunkNum(nextChunkRequest);
int nextDepthEndChunkNum = ChunkMath.DepthEndChunkNum(nextChunkRequest);
int nextSideChunkNum = ChunkMath.SideChunkNum(nextChunkRequest);
// Mark chunk feature to be removed if it hits a corner and it is supposed to skip corners
if (chunkChainedFeature.SkipCorners && (chained || nextChunkRequest.chunkNum != nextDepthEndChunkNum) &&
(nextSideChunkNum == nextDepth - 1 ||
nextChunkRequest.chunkNum == nextDepthStartChunkNum))
{
unfittedChunkIndices.Add(chunkFeature);
break;
}
chunkChainedFeature = chunkChainedFeature.ChunkChainNext;
chunkNumOffset++;
chained = true;
}
}
return(unfittedChunkIndices);
}
private Quaternion BirdseyeRotation(ChunkView chunkView, ChunkRequest chunkRequest)
{
int side = ChunkMath.Side(chunkRequest);
int depthStartChunkNum = ChunkMath.DepthStartChunkNum(chunkRequest);
int depthEndChunkNum = ChunkMath.DepthEndChunkNum(chunkRequest);
if (chunkRequest.chunkNum == depthStartChunkNum || chunkRequest.chunkNum == depthEndChunkNum)
{
side = 5;
}
side = (side + 4) % 6;
return(Quaternion.AngleAxis(
side * 60,
chunkView.Up
));
}