/// <summary>
/// Get max density on area
/// </summary>
/// <returns></returns>
public byte GetMaxDensityOnArea(int prototypeIndex)
{
ReadDensityInformation densityInformation = GetDensity(prototypeIndex);
if (densityInformation == null)
{
return(0);
}
if (densityInformation.isDirty)
{
var grassMap = manager.grassMaps[FoliageDB.sortedPrototypes[prototypeIndex]];
densityInformation.maxDensity = 0;
byte currentDensity = 0;
int posX = manager.TransformCord(position.x, 0);
int posZ = manager.TransformCord(position.y, 0);
int sizeX = manager.TransformCord(size.x, 0);
int sizeZ = manager.TransformCord(size.y, 0);
var mapPixels = grassMap.mapPixels;
var mapWidth = grassMap.mapWidth;
for (int x = posX; x < posX + sizeX; x++)
{
for (int z = posZ; z < posZ + sizeZ; z++)
{
currentDensity = mapPixels[x + z * mapWidth].b;
if (currentDensity > densityInformation.maxDensity)
{
densityInformation.maxDensity = currentDensity;
}
}
}
densityInformation.isDirty = false;
}
return(densityInformation.maxDensity);
}
/// <summary>
/// Called when a new prototype has been created -> called from FoliageDB
/// </summary>
/// <param name="id"></param>
internal static void OnPrototypeCreated(int id)
{
if (FoliageCore_MainManager.instance == null)
{
return;
}
var chunks = FoliageCore_MainManager.instance.sector.foliageChunks;
FoliageCore_Chunk chunk;
ReadDensityInformation densityInformation;
FoliageManagerInstance mInstance;
FoliageChunk mChunk;
for (int i = 0; i < chunks.Count; i++)
{
chunk = chunks[i];
if (chunk.isFoliageInstanceAttached)
{
mInstance = chunk.GetOrCreateFoliageManagerInstance();
for (int b = 0; b < mInstance.sector.FoliageChunks.Count; b++)
{
mChunk = mInstance.sector.FoliageChunks[b];
if (mChunk.maxDensities == null)
{
return;
}
densityInformation = new ReadDensityInformation();
if (!mChunk.maxDensities.ContainsKey(id))
{
mChunk.maxDensities.Add(id, densityInformation);
}
}
}
}
}
