public static async Task ApplyChangeUnsafe(this IWorld world, IGrainFactory grainFactory, BatchBlockChange change)
{
var partitionChange = change.GetByPartition();
foreach (var eachPartitionChange in partitionChange)
{
var chunkColumnKey = world.MakeAddressByPartitionKey(eachPartitionChange.Key);
await grainFactory.GetGrain <IChunkColumn>(chunkColumnKey).ApplyChangeUnsafe(eachPartitionChange.Value);
}
}
private async Task GenerateImpl(IWorld world, ChunkWorldPos chunkWorldPos, BlockWorldPos pos, BlockState state, int size, Random rand)
{
// 在xz平面上的方向
float angle = (float)rand.NextDouble() * (float)Math.PI;
// 起始点和结束点
double startX = (double)((float)(pos.X + 8) + Math.Sin(angle) * (float)size / 8.0F);
double endX = (double)((float)(pos.X + 8) - Math.Sin(angle) * (float)size / 8.0F);
double startZ = (double)((float)(pos.Z + 8) + Math.Cos(angle) * (float)size / 8.0F);
double endZ = (double)((float)(pos.Z + 8) - Math.Cos(angle) * (float)size / 8.0F);
double startY = (double)(pos.Y + rand.Next(3) - 2);
double endY = (double)(pos.Y + rand.Next(3) - 2);
BatchBlockChange batchBlockChange = new BatchBlockChange();
for (int i = 0; i < size; ++i)
{
// 插值参数
float t = (float)i / (float)size;
// 椭球中心
double centerX = startX + (endX - startX) * (double)t;
double centerY = startY + (endY - startY) * (double)t;
double centerZ = startZ + (endZ - startZ) * (double)t;
// 椭球尺寸（可以看出XZ和Y尺寸一样，应该是球）
double scale = rand.NextDouble() * (double)size / 16.0D;
double diameterXZ = (double)(Math.Sin((float)Math.PI * t) + 1.0F) * scale + 1.0D;
double diameterY = (double)(Math.Sin((float)Math.PI * t) + 1.0F) * scale + 1.0D;
// 椭球包围盒
int minX = (int)Math.Floor(centerX - diameterXZ / 2.0D);
int minY = (int)Math.Floor(centerY - diameterY / 2.0D);
int minZ = (int)Math.Floor(centerZ - diameterXZ / 2.0D);
int maxX = (int)Math.Floor(centerX + diameterXZ / 2.0D);
int maxY = (int)Math.Floor(centerY + diameterY / 2.0D);
int maxZ = (int)Math.Floor(centerZ + diameterXZ / 2.0D);
// 把这个椭球里的方块替换为矿石
for (int x = minX; x <= maxX; ++x)
{
double xDist = ((double)x + 0.5D - centerX) / (diameterXZ / 2.0D);
// 参考椭球方程
if (xDist * xDist < 1.0D)
{
for (int y = minY; y <= maxY; ++y)
{
double yDist = ((double)y + 0.5D - centerY) / (diameterY / 2.0D);
// 参考椭球方程
if (xDist * xDist + yDist * yDist < 1.0D)
{
for (int z = minZ; z <= maxZ; ++z)
{
double zDist = ((double)z + 0.5D - centerZ) / (diameterXZ / 2.0D);
// 参考椭球方程
if (xDist * xDist + yDist * yDist + zDist * zDist < 1.0D)
{
var orePos = new BlockWorldPos(x, y, z);
if (orePos.Y >= 0 && orePos.Y < 255)
{
batchBlockChange.SetIf(orePos, state, BlockStates.Stone());
}
}
}
}
}
}
}
}
await world.ApplyChangeUnsafe(this.GrainFactory, batchBlockChange);
}
