001    package net.minecraft.src;
002    
003    public class MapGenMineshaft extends MapGenStructure
004    {
005        protected boolean canSpawnStructureAtCoords(int par1, int par2)
006        {
007            return this.rand.nextInt(100) == 0 && this.rand.nextInt(80) < Math.max(Math.abs(par1), Math.abs(par2));
008        }
009    
010        protected StructureStart getStructureStart(int par1, int par2)
011        {
012            return new StructureMineshaftStart(this.worldObj, this.rand, par1, par2);
013        }
014    }