static bool LowestPointFound(int chance, NativeArray <float> heightmapData, float maxTerrainHeight, int hx, int hy, int hDim, int upperBound, int index, int tdDim, NativeArray <byte> tileData)
{
int newChance = (int)(chance - (chance * heightmapData[JobA.Idx(hy, hx, hDim)] * 2));
if (tileData[index] != dirt ||
JobA.Row(index, tdDim) - 5 <= 0 ||
JobA.Col(index, tdDim) + 5 >= tdDim ||
JobA.Row(index, tdDim) + 5 >= tdDim ||
JobA.Col(index, tdDim) - 5 <= 0)
{
return(false);
}
else
{
float thisHeight = heightmapData[JobA.Idx(hy, hx, hDim)] * maxTerrainHeight;
if (JobA.Idx(hy - 5, hx - 5, hDim) < 0 ||
JobA.Idx(hy - 5, hx - 5, hDim) > upperBound ||
JobA.Idx(hy - 5, hx + 5, hDim) < 0 ||
JobA.Idx(hy - 5, hx + 5, hDim) > upperBound ||
JobA.Idx(hy + 5, hx - 5, hDim) < 0 ||
JobA.Idx(hy + 5, hx - 5, hDim) > upperBound ||
JobA.Idx(hy + 5, hx + 5, hDim) < 0 ||
JobA.Idx(hy + 5, hx + 5, hDim) > upperBound)
{
return(false);
}
else
{
for (int a = -4; a < 5; a++)
{
for (int b = -4; b < 5; b++)
{
if ((a != 0 && b != 0) && heightmapData[JobA.Idx(hy + a, hx + b, hDim)] * maxTerrainHeight < thisHeight + (0.0000035f * Mathf.Abs(a)) + (0.0000035f * Mathf.Abs(b)))
{
return(false);
}
}
}
return(JobRand.Next(0, 100) <= newChance);
}
}
}
public void Execute(int index)
{
int x = JobA.Row(index, tdDim);
int y = JobA.Col(index, tdDim);
int uB = heightmapData.Length;
// Height sample for ocean and beach tiles
int hx = (int)Mathf.Clamp(hDim * ((float)x / (float)tdDim), 0, hDim - 1);
int hy = (int)Mathf.Clamp(hDim * ((float)y / (float)tdDim), 0, hDim - 1);
float height = heightmapData[JobA.Idx(hy, hx, hDim)] * maxTerrainHeight;
// Ocean and Beach texture
if (height <= oceanElevation)
{
tileData[index] = water;
return;
}
// Adds a little +/- randomness to threshold so beach line isn't too regular
if (height <= beachElevation + (JobRand.Next(100000000, 250000000) / 10000000f))
{
tileData[index] = dirt;
return;
}
// Get latitude and longitude of this tile
int latitude = (int)(mapPixelX * MapsFile.WorldMapTileDim + x);
int longitude = (int)(MapsFile.MaxWorldTileCoordZ - mapPixelY * MapsFile.WorldMapTileDim + y);
// Set texture tile using weighted noise
float weight = 0;
if (interestingErodedTerrainEnabled)
{
weight += NoiseWeight(latitude, longitude, height);
}
else
{
weight += NoiseWeight(latitude, longitude, height);
}
int climateNum = 9;
switch (worldClimate)
{
case (int)MapsFile.Climates.Desert:
climateNum = 0;
break;
case (int)MapsFile.Climates.Desert2:
climateNum = 1;
break;
case (int)MapsFile.Climates.Mountain:
climateNum = 2;
break;
case (int)MapsFile.Climates.Rainforest:
climateNum = 3;
break;
case (int)MapsFile.Climates.Swamp:
climateNum = 4;
break;
case (int)MapsFile.Climates.Subtropical:
climateNum = 5;
break;
case (int)MapsFile.Climates.MountainWoods:
climateNum = 6;
break;
case (int)MapsFile.Climates.Woodlands:
climateNum = 7;
break;
case (int)MapsFile.Climates.HauntedWoodlands:
climateNum = 8;
break;
case (int)MapsFile.Climates.Ocean:
climateNum = 9;
break;
}
tileData[index] = GetWeightedRecord(weight, upperWaterSpread[climateNum], lowerGrassSpread[climateNum], upperGrassSpread[climateNum]);
// Check for lowest local point in desert to place oasis
if (worldClimate == (int)MapsFile.Climates.Desert2 && LowestPointFound(30, heightmapData, maxTerrainHeight, hx, hy, hDim, uB, index, tdDim, tileData))
{
tileData[index] = water;
return;
}
if (worldClimate == (int)MapsFile.Climates.Desert && LowestPointFound(80, heightmapData, maxTerrainHeight, hx, hy, hDim, uB, index, tdDim, tileData))
{
tileData[index] = water;
return;
}
// Rock Mountain Face
int rnd = JobRand.Next(75, 90);
if (SteepnessWithinLimits(true, Mathf.Clamp(rnd - ((height / maxTerrainHeight) / rnd), 40f, 90f), heightmapData, maxTerrainHeight, hx, hy, hDim, uB, index, tdDim, tileData))
{
tileData[index] = stone;
return;
}
/* rnd = JobRand.Next(25,35);
* if (tileData[index] == stone && SteepnessWithinLimits(false, Mathf.Clamp(rnd - ((height / maxTerrainHeight) / rnd),40f,90f), heightmapData, maxTerrainHeight, hx, hy, hDim, uB, index, tdDim, tileData)) {
* tileData[index] = grass;
* return;
* } */
// Max angle for dirt patches
rnd = JobRand.Next(20, 25);
if (tileData[index] == dirt && SteepnessWithinLimits(false, rnd, heightmapData, maxTerrainHeight, hx, hy, hDim, uB, index, tdDim, tileData))
{
tileData[index] = dirt;
return;
}
if (tileData[index] == dirt && !SteepnessWithinLimits(false, rnd, heightmapData, maxTerrainHeight, hx, hy, hDim, uB, index, tdDim, tileData))
{
tileData[index] = grass;
return;
}
}
// Gets noise value
private float NoiseWeight(float worldX, float worldY, float height)
{
float persistanceRnd = 0.95f;
int climateNum = 9;
switch (worldClimate)
{
case (int)MapsFile.Climates.Desert:
climateNum = 0;
persistanceRnd = persistance[climateNum] + ((height / maxTerrainHeight) * 2) - 0.25f;
break;
case (int)MapsFile.Climates.Desert2:
climateNum = 1;
persistanceRnd = persistance[climateNum] + ((height / maxTerrainHeight) * 2) - 0.25f;
break;
case (int)MapsFile.Climates.Mountain:
climateNum = 2;
if ((height / maxTerrainHeight) + JobRand.Next(-5, 5) / 1000f > treeLine)
{
persistanceRnd = persistance[climateNum] - treeLine + ((height / maxTerrainHeight) * 1.2f);
}
else
{
persistanceRnd = persistance[climateNum] - (1 - (height / maxTerrainHeight)) * 0.4f;
}
break;
case (int)MapsFile.Climates.Rainforest:
climateNum = 3;
persistanceRnd = persistance[climateNum] + ((height / maxTerrainHeight) * 1.5f) - 0.35f;
break;
case (int)MapsFile.Climates.Swamp:
climateNum = 4;
persistanceRnd = persistance[climateNum] + ((height / maxTerrainHeight) * 3) - 0.25f;
break;
case (int)MapsFile.Climates.Subtropical:
climateNum = 5;
persistanceRnd = persistance[climateNum] + ((height / maxTerrainHeight) * 2f) - 0.25f;
break;
case (int)MapsFile.Climates.MountainWoods:
climateNum = 6;
persistanceRnd = persistance[climateNum] + ((height / maxTerrainHeight) * 1.5f) - 0.35f;
break;
case (int)MapsFile.Climates.Woodlands:
climateNum = 7;
if (interestingErodedTerrainEnabled)
{
persistanceRnd = persistance[climateNum] + ((height / maxTerrainHeight) * 1.5f);
}
else
{
persistanceRnd = persistance[climateNum] + ((height / maxTerrainHeight) * 1.4f) - 0.30f;
}
break;
case (int)MapsFile.Climates.HauntedWoodlands:
climateNum = 8;
persistanceRnd = persistance[climateNum] + ((height / maxTerrainHeight) * 1.5f) - 0.35f;
break;
case (int)MapsFile.Climates.Ocean:
climateNum = 9;
persistanceRnd = persistance[climateNum] + ((height / maxTerrainHeight) * 1.5f) - 0.35f;
break;
}
return(GetNoise(worldX, worldY, frequency[climateNum], amplitude[climateNum], persistanceRnd, octaves, seed));
}
