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 >> 7;
int fz = z >> 7;
heightIndex = ((z - (fz << 7)) << 7) + (x - (fx << 7));
int Key = ((fz + 1024) << 16) + (fx + 1024);
if (Key != mLastKey || mLastSector < 0)
{
if (!mSectors.TryGetValue(Key, out int poolIndex) || Key != mSectorsPool[poolIndex].Key)
{
int leastUsed = int.MaxValue;
for (int k = 0; k < mSectorsPool.Length; k++)
{
if (mSectorsPool[k].Uses < leastUsed)
{
leastUsed = mSectorsPool[k].Uses;
poolIndex = k;
}
}
HeightMapInfoPoolEntry sector = mSectorsPool[poolIndex];
if (sector.Key > 0)
{
mSectors.Remove(sector.Key);
}
sector.Key = Key;
sector.Uses = 0;
mSectors[Key] = poolIndex;
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;
}
}
}
mLastKey = Key;
mLastSector = poolIndex;
}
HeightMapInfoPoolEntry theSector = mSectorsPool[mLastSector];
theSector.Uses++;
Heights = theSector.Heights;
return(Heights[heightIndex].GroundLevel != 0);
}
public HeightMapCache(int poolSize)
{
sectorsDict = new FastHashSet <int>(16);
sectorsPool = new HeightMapInfoPoolEntry[poolSize];
for (int k = 0; k < sectorsPool.Length; k++)
{
sectorsPool[k] = new HeightMapInfoPoolEntry();
}
lastSector = -1;
}
public HeightMapCache(int poolSize)
{
mSectors = new FastHashSet <int>(16);
mSectorsPool = new HeightMapInfoPoolEntry[poolSize];
for (int i = 0; i < mSectorsPool.Length; i++)
{
mSectorsPool[i] = new HeightMapInfoPoolEntry();
}
mLastSector = -1;
}