public TreeGen(TreeGenConfig config, int seed, ForestFloorSystem ffs)
{
this.config = config;
this.forestFloor = ffs;
lcgrandTL = new ThreadLocal <LCGRandom>(() => new LCGRandom(seed));
}
public TreeGen(TreeGenConfig config, int seed)
{
this.config = config;
lcgrandTL = new ThreadLocal <LCGRandom>(() => new LCGRandom(seed));
}
public TreeGen(TreeGenConfig config, int seed)
{
this.config = config;
rand = new Random(seed);
}
internal void CreateForestFloor(IBlockAccessor blockAccessor, TreeGenConfig config, BlockPos pos, LCGRandom rnd, int treesInChunkGenerated)
{
int grassLevelOffset = 0;
// More grass coverage for jungles
ClimateCondition climate = blockAccessor.GetClimateAt(pos, EnumGetClimateMode.WorldGenValues);
if (climate.Temperature > 24 && climate.Rainfall > 160)
{
grassLevelOffset = 2;
}
short[] outline = outlineThreadSafe.Value;
this.api = blockAccessor;
float forestness = climate.ForestDensity * climate.ForestDensity * 4 * (climate.Fertility + 0.25f);
// Only replace soil with forestFloor in certain climate conditions
if (climate.Fertility <= 0.25 || forestness <= 0.4)
{
return;
}
// Otherwise adjust the strength of the effect according to forest density and fertility (fertility is higher for tropical forests)
for (int i = 0; i < outline.Length; i++)
{
outline[i] = (short)(outline[i] * forestness + 0.3f);
}
// Blend the canopy outline outwards from the center in a way that ensures smoothness
for (int pass = 0; pass < 7; pass++)
{
bool noChange = true;
for (int x = 0; x < 16; x++)
{
for (int z = 0; z < 16; z++)
{
if (x == 0 && z == 0)
{
continue;
}
int o = Math.Min((int)outline[(16 + z) * 33 + (16 + x)], 18 * 9);
if (o == 0)
{
continue;
}
int n1 = (17 + z) * 33 + (16 + x);
int n2 = (16 + z) * 33 + (17 + x);
if (outline[n1] < o - 18)
{
outline[n1] = (short)(o - 18);
noChange = false;
}
if (outline[n2] < o - 18)
{
outline[n2] = (short)(o - 18);
noChange = false;
}
o = Math.Min((int)outline[(16 - z) * 33 + (16 + x)], 18 * 9);
n1 = (15 - z) * 33 + (16 + x);
n2 = (16 - z) * 33 + (17 + x);
if (outline[n1] < o - 18)
{
outline[n1] = (short)(o - 18);
noChange = false;
}
if (outline[n2] < o - 18)
{
outline[n2] = (short)(o - 18);
noChange = false;
}
}
for (int z = 0; z < 16; z++)
{
if (x == 0 && z == 0)
{
continue;
}
int o = Math.Min((int)outline[(16 + z) * 33 + (16 - x)], 18 * 9);
int n1 = (17 + z) * 33 + (16 - x);
int n2 = (16 + z) * 33 + (15 - x);
if (outline[n1] < o - 18)
{
outline[n1] = (short)(o - 18);
noChange = false;
}
if (outline[n2] < o - 18)
{
outline[n2] = (short)(o - 18);
noChange = false;
}
o = Math.Min((int)outline[(16 - z) * 33 + (16 - x)], 18 * 9);
n1 = (15 - z) * 33 + (16 - x);
n2 = (16 - z) * 33 + (15 - x);
if (outline[n1] < o - 18)
{
outline[n1] = (short)(o - 18);
noChange = false;
}
if (outline[n2] < o - 18)
{
outline[n2] = (short)(o - 18);
noChange = false;
}
}
}
if (noChange)
{
break;
}
}
BlockPos currentPos = new BlockPos();
for (int canopyIndex = 0; canopyIndex < outline.Length; canopyIndex++)
{
int intensity = outline[canopyIndex];
if (intensity == 0)
{
continue;
}
int dz = canopyIndex / 33 - 16;
int dx = canopyIndex % 33 - 16;
currentPos.Set(pos.X + dx, pos.Y, pos.Z + dz);
currentPos.Y = blockAccessor.GetTerrainMapheightAt(currentPos);
if (currentPos.Y - pos.Y < 4) //Don't place forest floor above approximate height of the canopy of this tree
{
CheckAndReplaceForestFloor(currentPos, intensity, grassLevelOffset);
}
}
GenPatches(blockAccessor, pos, forestness, config.Treetype, rnd);
}