void genShrubs(int chunkX, int chunkZ)
{
int triesShrubs = (int)treeSupplier.treeGenProps.shrubsPerChunk.nextFloat();
int dx, dz, x, z;
Block block;
while (triesShrubs > 0)
{
triesShrubs--;
dx = rnd.Next(chunksize);
dz = rnd.Next(chunksize);
x = dx + chunkX * chunksize;
z = dz + chunkZ * chunksize;
int y = heightmap[dz * chunksize + dx];
if (y <= 0 || y >= worldheight - 15)
{
continue;
}
tmpPos.Set(x, y, z);
block = blockAccessor.GetBlock(tmpPos);
if (block.Fertility == 0)
{
continue;
}
// Place according to forest value
float treeDensity = GameMath.BiLerp(forestUpLeft, forestUpRight, forestBotLeft, forestBotRight, (float)dx / chunksize, (float)dz / chunksize);
int climate = GameMath.BiLerpRgbColor((float)dx / chunksize, (float)dz / chunksize, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);
float shrubChance = GameMath.BiLerp(shrubUpLeft, shrubUpRight, shrubBotLeft, shrubBotRight, (float)dx / chunksize, (float)dz / chunksize);
if (rnd.NextDouble() > (shrubChance / 255f) * (shrubChance / 255f))
{
continue;
}
TreeGenForClimate treegenParams = treeSupplier.GetRandomShrubGenForClimate(climate, (int)shrubChance, y);
if (treegenParams != null)
{
if (blockAccessor.GetBlock(tmpPos.X, tmpPos.Y, tmpPos.Z).Replaceable >= 6000)
{
tmpPos.Y--;
}
treegenParams.treeGen.GrowTree(
blockAccessor,
tmpPos,
treegenParams.size,
treegenParams.vinesGrowthChance
);
}
}
}
void genTrees(int chunkX, int chunkZ)
{
int triesTrees = (int)treeSupplier.treeGenProps.treesPerChunk.nextFloat();
int dx, dz, x, z;
Block block;
while (triesTrees > 0)
{
triesTrees--;
dx = rnd.Next(chunksize);
dz = rnd.Next(chunksize);
x = dx + chunkX * chunksize;
z = dz + chunkZ * chunksize;
int y = heightmap[dz * chunksize + dx];
if (y <= 0 || y >= worldheight - 15)
{
continue;
}
tmpPos.Set(x, y, z);
block = blockAccessor.GetBlock(tmpPos);
if (block.Fertility == 0)
{
continue;
}
// Place according to forest value
float treeDensity = GameMath.BiLerp(forestUpLeft, forestUpRight, forestBotLeft, forestBotRight, (float)dx / chunksize, (float)dz / chunksize);
int climate = GameMath.BiLerpRgbColor((float)dx / chunksize, (float)dz / chunksize, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);
float shrubChance = GameMath.BiLerp(shrubUpLeft, shrubUpRight, shrubBotLeft, shrubBotRight, (float)dx / chunksize, (float)dz / chunksize);
float treeDensityNormalized = treeDensity / 255f;
// 1 in 400 chance to always spawn a tree
// otherwise go by tree density using a quadratic drop off to create clearer forest edges
if (rnd.NextDouble() > Math.Max(0.0025, treeDensityNormalized * treeDensityNormalized))
{
continue;
}
TreeGenForClimate treegenParams = treeSupplier.GetRandomTreeGenForClimate(climate, (int)treeDensity, y);
if (treegenParams != null)
{
bool canGen = true;
for (int i = 0; i < structuresIntersectingChunk.Count; i++)
{
if (structuresIntersectingChunk[i].Location.Contains(tmpPos))
{
canGen = false; break;
}
}
if (!canGen)
{
continue;
}
if (blockAccessor.GetBlock(tmpPos.X, tmpPos.Y, tmpPos.Z).Replaceable >= 6000)
{
tmpPos.Y--;
}
treegenParams.treeGen.GrowTree(
blockAccessor,
tmpPos,
treegenParams.size,
treegenParams.vinesGrowthChance,
treeDensityNormalized
);
}
}
}
void genTrees(int chunkX, int chunkZ)
{
int climate = GameMath.BiLerpRgbColor((float)0.5f, (float)0.5f, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);
float wetrel = TerraGenConfig.GetRainFall((climate >> 8) & 0xff, heightmap[(chunksize / 2) * chunksize + chunksize / 2]) / 255f;
float dryrel = 1 - wetrel;
float drypenalty = 1 - GameMath.Clamp(2f * (dryrel - 0.5f), 0, 0.8f); // Reduce tree generation by up to 70% in low rain places
float wetboost = 1 + 3 * Math.Max(0, wetrel - 0.75f);
int triesTrees = (int)(treeSupplier.treeGenProps.treesPerChunk.nextFloat() * drypenalty * wetboost);
int dx, dz, x, z;
Block block;
while (triesTrees > 0)
{
triesTrees--;
dx = rnd.NextInt(chunksize);
dz = rnd.NextInt(chunksize);
x = dx + chunkX * chunksize;
z = dz + chunkZ * chunksize;
int y = heightmap[dz * chunksize + dx];
if (y <= 0 || y >= worldheight - 15)
{
continue;
}
tmpPos.Set(x, y, z);
block = blockAccessor.GetBlock(tmpPos);
if (block.Fertility == 0)
{
continue;
}
// Place according to forest value
float treeDensity = GameMath.BiLerp(forestUpLeft, forestUpRight, forestBotLeft, forestBotRight, (float)dx / chunksize, (float)dz / chunksize);
climate = GameMath.BiLerpRgbColor((float)dx / chunksize, (float)dz / chunksize, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);
//float shrubChance = GameMath.BiLerp(shrubUpLeft, shrubUpRight, shrubBotLeft, shrubBotRight, (float)dx / chunksize, (float)dz / chunksize);
treeDensity = GameMath.Clamp(treeDensity + forestMod * 255, 0, 255);
float treeDensityNormalized = treeDensity / 255f;
// 1 in 400 chance to always spawn a tree
// otherwise go by tree density using a quadratic drop off to create clearer forest edges
if (rnd.NextDouble() > Math.Max(0.0025, treeDensityNormalized * treeDensityNormalized) || forestMod <= -1)
{
continue;
}
TreeGenForClimate treegenParams = treeSupplier.GetRandomTreeGenForClimate(climate, (int)treeDensity, y);
if (treegenParams != null)
{
bool canGen = true;
for (int i = 0; i < structuresIntersectingChunk.Count; i++)
{
if (structuresIntersectingChunk[i].Location.Contains(tmpPos))
{
canGen = false; break;
}
}
if (!canGen)
{
continue;
}
if (blockAccessor.GetBlock(tmpPos.X, tmpPos.Y, tmpPos.Z).Replaceable >= 6000)
{
tmpPos.Y--;
}
treegenParams.treeGen.GrowTree(
blockAccessor,
tmpPos,
treegenParams.size,
treegenParams.vinesGrowthChance
);
}
}
}
void genShrubs(int chunkX, int chunkZ)
{
int triesShrubs = (int)treeSupplier.treeGenProps.shrubsPerChunk.nextFloat();
int dx, dz, x, z;
Block block;
while (triesShrubs > 0)
{
triesShrubs--;
dx = rnd.NextInt(chunksize);
dz = rnd.NextInt(chunksize);
x = dx + chunkX * chunksize;
z = dz + chunkZ * chunksize;
int y = heightmap[dz * chunksize + dx];
if (y <= 0 || y >= worldheight - 15)
{
continue;
}
tmpPos.Set(x, y, z);
block = blockAccessor.GetBlock(tmpPos);
if (block.Fertility == 0)
{
continue;
}
// Place according to forest value
int climate = GameMath.BiLerpRgbColor((float)dx / chunksize, (float)dz / chunksize, climateUpLeft, climateUpRight, climateBotLeft, climateBotRight);
float shrubChance = GameMath.BiLerp(shrubUpLeft, shrubUpRight, shrubBotLeft, shrubBotRight, (float)dx / chunksize, (float)dz / chunksize);
shrubChance = GameMath.Clamp(shrubChance + 255 * forestMod, 0, 255);
if (rnd.NextDouble() > (shrubChance / 255f) * (shrubChance / 255f))
{
continue;
}
TreeGenForClimate treegenParams = treeSupplier.GetRandomShrubGenForClimate(climate, (int)shrubChance, y);
if (treegenParams != null)
{
bool canGen = true;
for (int i = 0; i < structuresIntersectingChunk.Count; i++)
{
if (structuresIntersectingChunk[i].Location.Contains(tmpPos))
{
canGen = false; break;
}
}
if (!canGen)
{
continue;
}
if (blockAccessor.GetBlock(tmpPos.X, tmpPos.Y, tmpPos.Z).Replaceable >= 6000)
{
tmpPos.Y--;
}
treegenParams.treeGen.GrowTree(
blockAccessor,
tmpPos,
treegenParams.size,
treegenParams.vinesGrowthChance
);
}
}
}
