EntitySlime.java 文件源码

/**
 * Checks if the entity's current position is a valid location to spawn this entity.
 */
public boolean getCanSpawnHere()
{
    BlockPos blockpos = new BlockPos(MathHelper.floor_double(this.posX), 0, MathHelper.floor_double(this.posZ));
    Chunk chunk = this.worldObj.getChunkFromBlockCoords(blockpos);

    if (this.worldObj.getWorldInfo().getTerrainType() == WorldType.FLAT && this.rand.nextInt(4) != 1)
    {
        return false;
    }
    else
    {
        if (this.worldObj.getDifficulty() != EnumDifficulty.PEACEFUL)
        {
            BiomeGenBase biomegenbase = this.worldObj.getBiomeGenForCoords(blockpos);

            if (biomegenbase == BiomeGenBase.swampland && this.posY > 50.0D && this.posY < 70.0D && this.rand.nextFloat() < 0.5F && this.rand.nextFloat() < this.worldObj.getCurrentMoonPhaseFactor() && this.worldObj.getLightFromNeighbors(new BlockPos(this)) <= this.rand.nextInt(8))
            {
                return super.getCanSpawnHere();
            }

            if (this.rand.nextInt(10) == 0 && chunk.getRandomWithSeed(987234911L).nextInt(10) == 0 && this.posY < 40.0D)
            {
                return super.getCanSpawnHere();
            }
        }

        return false;
    }
}