/// <summary>
/// Clears a single voxel
/// </summary>
/// <param name="voxelIndex">Index of voxel in the chunk</param>
/// <param name="light">Light intensity left at the empty position</param>
public void ClearVoxel(int voxelIndex, byte light)
{
if (lightSources != null)
{
int lightSourcesCount = lightSources.Count;
for (int k = 0; k < lightSourcesCount; k++)
{
LightSource ls = lightSources [k];
if (ls.voxelIndex == voxelIndex && ls.gameObject != null)
{
DestroyImmediate(ls.gameObject);
break;
}
}
}
if (placeholders != null)
{
VoxelPlaceholder placeholder;
if (placeholders.TryGetValue(voxelIndex, out placeholder))
{
if (placeholder != null && placeholder.voxelIndex == voxelIndex)
{
DestroyImmediate(placeholder.gameObject);
placeholders.Remove(voxelIndex);
}
}
}
voxels [voxelIndex].Clear(light);
}
public bool TryGetValue(int x, int z, out HeightMapInfo[] heights, out int heightIndex)
{
int fx = x >> 7;
int fz = z >> 7;
heightIndex = ((z - (fz << 7)) << 7) + (x - (fx << 7));
int key = ((fz + 1024) << 16) + (fx + 1024);
if (key != lastKey || lastSector < 0)
{
int poolIndex;
if (!sectorsDict.TryGetValue(key, out poolIndex) || key != sectorsPool[poolIndex].key)
{
int leastUsed = int.MaxValue;
for (int k = 0; k < sectorsPool.Length; k++)
{
if (sectorsPool[k].uses < leastUsed)
{
leastUsed = sectorsPool[k].uses;
poolIndex = k;
}
}
// free entry from dictionary
HeightMapInfoPoolEntry sector = sectorsPool[poolIndex];
if (sector.key > 0)
{
sectorsDict.Remove(sector.key);
}
// set new key and add to dictionary
sector.key = key;
sector.uses = 0;
sectorsDict[key] = poolIndex;
// alloc buffer if it's the first time
if (sector.heights == null)
{
sector.heights = new HeightMapInfo[16384];
}
else
{
for (int k = 0; k < sector.heights.Length; k++)
{
sector.heights[k].biome = null;
sector.heights[k].moisture = 0;
sector.heights[k].groundLevel = 0;
}
}
}
lastKey = key;
lastSector = poolIndex;
}
HeightMapInfoPoolEntry theSector = sectorsPool[lastSector];
theSector.uses++;
heights = theSector.heights;
return(heights[heightIndex].groundLevel != 0);
}
public bool TryGetValue(int x, int z, out HeightMapInfo[] heights, out int heightIndex)
{
int fx = x >> 8;
int fz = z >> 8;
heightIndex = ((z - (fz << 8)) << 8) + (x - (fx << 8));
uint key = (uint)(((fz + 1024) << 16) + (fx + 1024));
if (key == lastKey && lastSector != null)
{
heights = lastSector;
}
else if (!heightSectors.TryGetValue(key, out heights))
{
heights = new HeightMapInfo[65536];
heightSectors.Add(key, heights);
}
lastSector = heights;
lastKey = key;
return(heights [heightIndex].groundLevel != 0);
}
