private void GenerateChunk(MapGenerationInfo info, ChunkColumnStorage chunk, int x, int z, GeneratorSettings settings)
{
// 生物群系生成
// 获取生物群系
int[,] biomeIds = _genlayer.GetInts(x * 16 - 8, z * 16 - 8, 32, 32);
for (int i = 0; i < 10; ++i)
{
for (int j = 0; j < 10; ++j)
{
_biomesForGeneration[j, i] = Biome.GetBiome(biomeIds[(int)(0.861111F * j * 4), (int)(0.861111F * i * 4)], settings);
}
}
// 基本地形生成
GenerateBasicTerrain(chunk, x, z, settings);
// 获取生物群系
biomeIds = _genlayer.GetInts(x * 16, z * 16, 16, 16);
for (int i = 0; i < 16; ++i)
{
for (int j = 0; j < 16; ++j)
{
_biomesForGeneration[j, i] = Biome.GetBiome(biomeIds[j, i], settings);
}
}
// 设置生物群系
for (int height = 0; height < 64; ++height)
{
for (int i = 0; i < 4; ++i)
{
for (int j = 0; j < 4; ++j)
{
chunk.Biomes[(height * 4 + i) * 4 + j] = (int)_biomesForGeneration[j * 4, i * 4].GetBiomeId();
}
}
}
// 添加生物群系特有方块
ReplaceBiomeBlocks(settings, x, z, chunk, _biomesForGeneration);
// Todo genrate structure
// 生成洞穴
if (settings.UseCaves)
{
CavesGenerator generator = new CavesGenerator(info);
generator.Generate(info, x, z, chunk, _biomesForGeneration[8, 8]);
}
// 计算skylight
GenerateSkylightMap(chunk);
}
public async Task <ChunkColumnCompactStorage> Generate(IWorld world, int x, int z, GeneratorSettings settings)
{
var chunkColumn = new ChunkColumnStorage();
for (int i = 0; i < chunkColumn.Sections.Length; ++i)
{
chunkColumn.Sections[i] = new ChunkSectionStorage(true);
}
var info = new MapGenerationInfo
{
Seed = await world.GetSeed()
};
GenerateChunk(info, chunkColumn, x, z, settings);
PopulateChunk(world, chunkColumn, x, z, settings);
return(chunkColumn.Compact());
}
protected override void RecursiveGenerate(MapGenerationInfo info, int chunkX, int chunkZ, int centerChunkX, int centerChunkZ, ChunkColumnStorage chunk, Biome biome)
{
// 之前根据chunkXZ设置种子了
int seedPointCount = _rand.Next(15);
// 仅1/7概率生成洞穴
if (_rand.Next(7) != 0)
{
seedPointCount = 0;
}
for (int i = 0; i < seedPointCount; ++i)
{
// 在chunk内x=0-16,y=8~127,z=0-16随机选种子点
double seedPointX = (double)(chunkX * 16 + _rand.Next(16));
double seedPointY = (double)_rand.Next(120) + 8;
double seedPointZ = (double)(chunkZ * 16 + _rand.Next(16));
int directionCount = 1;
// 四分之一概率挖一个默认的洞
if (_rand.Next(4) == 0)
{
// 使用默认参数挖出一个洞
AddTunnel(_rand.Next(), centerChunkX, centerChunkZ, chunk, biome, seedPointX, seedPointY, seedPointZ);
directionCount += _rand.Next(4);
}
// 向几个方向挖洞
for (int j = 0; j < directionCount; ++j)
{
float yawAngle = (float)_rand.NextDouble() * (float)Math.PI * 2.0F;
float pitchAngle = ((float)_rand.NextDouble() - 0.5F) * 2.0F / 8.0F;
float rangeScale = (float)_rand.NextDouble() * 2.0F + (float)_rand.NextDouble();
if (_rand.Next(10) == 0)
{
// 扩大到1~3倍
rangeScale *= (float)_rand.NextDouble() * 3.0F + 1.0F;
}
AddTunnel(_rand.Next(), centerChunkX, centerChunkZ, chunk, biome, seedPointX, seedPointY, seedPointZ, rangeScale, yawAngle, pitchAngle, 0, 0, 1.0D);
}
}
}
public CavesGenerator(MapGenerationInfo info, int range = 8)
: base(info, range)
{
}
