SilkSpawners.java

package sj224.mods.silk;

import net.minecraft.block.Block;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityList;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.item.Item;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntityMobSpawner;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumHand;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.entity.player.PlayerInteractEvent;
import net.minecraftforge.event.world.BlockEvent;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.Mod.EventHandler;
import net.minecraftforge.fml.common.event.FMLInitializationEvent;
import net.minecraftforge.fml.common.eventhandler.EventPriority;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;


@Mod(modid = SilkSpawners.MODID, version = SilkSpawners.VERSION, acceptableRemoteVersions = "*", acceptedMinecraftVersions = "[1.12,1.13)")
public class SilkSpawners
{
    public static final String MODID = "silkspawner";
    public static final String VERSION = "1.02";
    
    @EventHandler
    public void init(FMLInitializationEvent event)
    {
        MinecraftForge.EVENT_BUS.register(this);
    }
    
    
    @SubscribeEvent(priority=EventPriority.LOW)
    public void mineSpawner(BlockEvent.BreakEvent b){
    	if(b.getWorld().isRemote)return;
    	if(b.getState()==null)return;
    	if(b.getPlayer()==null)return;
    	ItemStack i=(b.getPlayer().getHeldItemMainhand());
    	System.out.println(i.getTagCompound());
    	if(!b.getWorld().getGameRules().getBoolean("doTileDrops"))return;
    	if(b.getState().getBlock()==Blocks.MOB_SPAWNER){
    		
    		if((i.getItem().getUnlocalizedName(i).indexOf("pickaxe")>-1)&&(i.getEnchantmentTagList().toString().indexOf("id:33s")>-1)){
    			NBTTagCompound tag=new NBTTagCompound();
    			b.getWorld().getTileEntity(b.getPos()).writeToNBT(tag);
    			System.out.println(tag);
    			ItemStack s=new ItemStack(Blocks.MOB_SPAWNER,1);
    			s.setTagCompound(new NBTTagCompound());
    			s.getTagCompound().setTag("BlockEntityTag",tag);
    			tag=tag.copy();
    			String t=tag.getCompoundTag("SpawnData").getString("id");
    			System.out.println(t);
    			String name=EntityList.getTranslationName(new ResourceLocation(t))+" Spawner";
    			s.setTranslatableName(name);
    			EntityItem e=new EntityItem(b.getWorld(),b.getPos().getX()+2*Math.random()-1,b.getPos().getY()+2*Math.random()-1,b.getPos().getZ()+2*Math.random()-1,s);
    			b.setExpToDrop(0);
    			if(!b.getPlayer().isCreative())b.getWorld().spawnEntity(e);
    			System.out.println(s.getTagCompound());
    		};
    	}
    }
    
    @SubscribeEvent(priority=EventPriority.LOW)
    public void placeSpawner(PlayerInteractEvent.RightClickBlock p){
    	if(p.getWorld().isRemote)return;
    	if(p.getItemStack().getItem()==Item.getItemFromBlock(Blocks.MOB_SPAWNER)){
    		if(!p.getItemStack().hasTagCompound()||!p.getItemStack().getTagCompound().hasKey("BlockEntityTag"))return;
    		ItemBlock bk=(ItemBlock)p.getItemStack().getItem();
    		placeBlock(bk,p.getEntityPlayer(),p.getWorld(),p.getPos(),p.getHand(),p.getFace(),p.getItemStack().getTagCompound().getCompoundTag("BlockEntityTag"));
    		p.setCanceled(true);
    	}
    	
    	
    }
    public void placeBlock(ItemBlock item,EntityPlayer player, World worldIn, BlockPos pos, EnumHand hand, EnumFacing facing, NBTTagCompound t)
    {
    	
        IBlockState iblockstate = worldIn.getBlockState(pos);
        Block block = iblockstate.getBlock();

        if (!block.isReplaceable(worldIn, pos))
        {
            pos = pos.offset(facing);
        }

        ItemStack itemstack = player.getHeldItem(hand);

        if (!itemstack.isEmpty() && player.canPlayerEdit(pos, facing, itemstack) && worldIn.mayPlace(item.getBlock(), pos, false, facing, (Entity)null))
        {
            int i = item.getMetadata(itemstack.getMetadata());
            worldIn.setBlockState(pos,Blocks.MOB_SPAWNER.getDefaultState());
                TileEntityMobSpawner sp=(TileEntityMobSpawner) worldIn.getTileEntity(pos);
                sp.getSpawnerBaseLogic().readFromNBT(t);
                itemstack.shrink(1);

        }
    }
}