private void Start()
{
SeedRandom.SetSeed(seed);
for (int i = 0; i < biomes.Length; i++)
{
VoxelData.biomeProbobilitySum += biomes[i].probobilityWeight;
}
isCreatingChuncks = false;
spawnPosition = new Vector3(VoxelData.worldSizeInChunks * VoxelData.chunkSize / 2f,
Noise.GetWeight((int)(VoxelData.worldSizeInChunks * VoxelData.chunkSize / 2f), (int)(VoxelData.worldSizeInChunks * VoxelData.chunkSize / 2f), this) + 2,
VoxelData.worldSizeInChunks * VoxelData.chunkSize / 2f);
GenerateWorld();
}
public static int[,] GenerateBiomeMap(int mapWidth, int mapHeight, int seed, int biomesGrid, int biomesNum, float noiseMult, float noiseDist)
{
int[,] biomesMap = new int[mapWidth, mapHeight];
System.Random prng = new System.Random(seed);
SeedRandom.SetSeed(seed);
int xS = prng.Next(10, 20);
int yS = prng.Next(10, 20);
float offsetX = prng.Next(-100000, 100000);
float offsetY = prng.Next(-100000, 100000);
for (int x = 0; x < mapWidth; x++)
{
for (int y = 0; y < mapHeight; y++)
{
int gridX = (int)Mathf.Floor(x / biomesGrid);
int gridY = (int)Mathf.Floor(y / biomesGrid);
if (x / biomesGrid - gridX > 0.5f)
{
gridX -= 2;
}
else
{
gridX -= 1;
}
if (y / biomesGrid - gridY > 0.5f)
{
gridY -= 2;
}
else
{
gridY -= 1;
}
int closest = 0;
int closestDist = int.MaxValue;
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
int curBiome = i * 4 + j;
int biomeX = SeedRandom.Get(gridX + i, gridY + j) % biomesGrid;
int biomeY = SeedRandom.Get(gridX + i, gridY + j) % biomesGrid;
int dist = ((gridX + i) * biomesGrid + biomeX - x) * ((gridX + i) * biomesGrid + biomeX - x) +
((gridY + j) * biomesGrid + biomeY - y) * ((gridY + j) * biomesGrid + biomeY - y);
dist += (int)(Mathf.PerlinNoise(noiseDist * ((gridX + i) * biomesGrid + biomeX - x + offsetX) / 100f,
noiseDist * ((gridY + j) * biomesGrid + biomeY - y + offsetY) / 100f) * noiseMult);
if (dist < closestDist)
{
closestDist = dist;
closest = curBiome;
}
}
}
biomesMap[x, y] = SeedRandom.Get(gridX + closest / 4, gridY + closest % 4) % biomesNum;
}
}
return(biomesMap);
}
public static float[] GetBiomes(int x, int y, int seed, int biomesGrid, BiomeType[] biomes, float noiseMult, float noiseDist, float smoothnessMod)
{
System.Random prng = new System.Random(seed);
SeedRandom.SetSeed(seed);
float offsetX = prng.Next(-10000, 10000);
float offsetY = prng.Next(-10000, 10000);
int gridX = (int)Mathf.Floor(x / biomesGrid);
int gridY = (int)Mathf.Floor(y / biomesGrid);
if (x / biomesGrid - gridX > 0.5f)
{
gridX -= 2;
}
else
{
gridX -= 1;
}
if (y / biomesGrid - gridY > 0.5f)
{
gridY -= 2;
}
else
{
gridY -= 1;
}
float closestDist = float.MaxValue;
float[] dists = new float[16];
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
int curBiome = i * 4 + j;
int biomeX = SeedRandom.Get(gridX + i, gridY + j) % biomesGrid;
int biomeY = SeedRandom.Get(gridX + i, gridY + j) % biomesGrid;
float dist = ((gridX + i) * biomesGrid + biomeX - x) * ((gridX + i) * biomesGrid + biomeX - x) +
((gridY + j) * biomesGrid + biomeY - y) * ((gridY + j) * biomesGrid + biomeY - y);
dist += (Mathf.PerlinNoise(noiseDist * ((gridX + i) * biomesGrid + biomeX - x + offsetX) / 100f,
noiseDist * ((gridY + j) * biomesGrid + biomeY - y + offsetY) / 100f) * noiseMult);
dists[curBiome] = dist;
if (dist < closestDist)
{
closestDist = dist;
}
}
}
float total = 0;
for (int i = 0; i < 16; i++)
{
if (dists[i] - closestDist < smoothnessMod)
{
total += (smoothnessMod - dists[i] + closestDist) * (smoothnessMod - dists[i] + closestDist);
}
}
float[] biomeWeights = new float[biomes.Length];
for (int i = 0; i < 16; i++)
{
if (dists[i] - closestDist < smoothnessMod)
{
int val = SeedRandom.Get(gridX + i / 4, gridY + i % 4) % (VoxelData.biomeProbobilitySum);
for (int j = 0; j < biomes.Length; j++)
{
val -= biomes[j].probobilityWeight;
if (val < 0)
{
biomeWeights[j] += 1.0f * (smoothnessMod + closestDist - dists[i]) * (smoothnessMod + closestDist - dists[i]) / total;
break;
}
}
}
}
return(biomeWeights);
}
