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BlockCorporeaSparkTinkerer.java

package quaternary.incorporeal.block;

import net.minecraft.block.Block;
import net.minecraft.block.material.MapColor;
import net.minecraft.block.material.Material;
import net.minecraft.block.state.BlockStateContainer;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.EnumDyeColor;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.*;
import net.minecraft.util.math.AxisAlignedBB;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;
import quaternary.incorporeal.Incorporeal;
import quaternary.incorporeal.lexicon.IncorporealLexiData;
import quaternary.incorporeal.tile.TileCorporeaSparkTinkerer;
import vazkii.botania.api.lexicon.ILexiconable;
import vazkii.botania.api.lexicon.LexiconEntry;
import vazkii.botania.api.state.BotaniaStateProps;
import vazkii.botania.common.item.ModItems;

import javax.annotation.Nullable;

public class BlockCorporeaSparkTinkerer extends Block implements ILexiconable {	
	public BlockCorporeaSparkTinkerer() {
		super(Material.ROCK, MapColor.PURPLE);
		
		setRegistryName(new ResourceLocation(Incorporeal.MODID, "corporea_spark_tinkerer"));
		setUnlocalizedName(Incorporeal.MODID + ".corporea_spark_tinkerer");
		
		setDefaultState(getDefaultState().withProperty(BotaniaStateProps.POWERED, true));
	}
	
	//Messages to tile
	@Override
	public boolean onBlockActivated(World world, BlockPos pos, IBlockState state, EntityPlayer player, EnumHand hand, EnumFacing facing, float hitX, float hitY, float hitZ) {
		ItemStack heldStack = player.getHeldItem(hand);
		TileEntity te = world.getTileEntity(pos);
		if(te instanceof TileCorporeaSparkTinkerer && heldStack.getItem() == ModItems.dye) { //floral powder
			if(!world.isRemote) {
				TileCorporeaSparkTinkerer tinkerer = (TileCorporeaSparkTinkerer) te;
				EnumDyeColor heldColor = EnumDyeColor.byMetadata(heldStack.getMetadata());
				Incorporeal.LOGGER.info("Setting color to " + heldColor);
				tinkerer.setNetwork(heldColor);
			}
			return true;
		}
		
		return false;
	}
	
	@Override
	public void neighborChanged(IBlockState state, World world, BlockPos pos, Block block, BlockPos fromPos) {
		boolean worldPower = world.isBlockIndirectlyGettingPowered(pos) > 0;
		boolean myPower = state.getValue(BotaniaStateProps.POWERED);
		
		if(worldPower != myPower) {
			world.setBlockState(pos, state.withProperty(BotaniaStateProps.POWERED, worldPower), 2);
			
			if(worldPower) {
				TileEntity tile = world.getTileEntity(pos);
				if(tile instanceof TileCorporeaSparkTinkerer) {
					((TileCorporeaSparkTinkerer) tile).doSwap();
				}
			}
		}
	}
	
	//State boilerplate
	@Override
	protected BlockStateContainer createBlockState() {
		return new BlockStateContainer(this, BotaniaStateProps.POWERED);
	}
	
	@Override
	public IBlockState getStateFromMeta(int meta) {
		return getDefaultState().withProperty(BotaniaStateProps.POWERED, meta == 1);
	}
	
	@Override
	public int getMetaFromState(IBlockState state) {
		return state.getValue(BotaniaStateProps.POWERED) ? 1 : 0;
	}
	
	//Aabbabababb
	AxisAlignedBB aabb = new AxisAlignedBB(0d, 0d, 0d, 1d, 0.1875d, 1d);
	@Override
	public AxisAlignedBB getBoundingBox(IBlockState state, IBlockAccess source, BlockPos pos) {
		return aabb;
	}
	
	@Override
	public boolean isFullCube(IBlockState state) {
		return false;
	}
	
	@Override
	public boolean isOpaqueCube(IBlockState state) {
		return false;
	}
	
	//Tile
	@Override
	public boolean hasTileEntity(IBlockState blah) {
		return true;
	}
	
	@Nullable
	@Override
	public TileEntity createTileEntity(World world, IBlockState state) {
		return new TileCorporeaSparkTinkerer();
	}
	
	//Entry
	@Override
	public LexiconEntry getEntry(World world, BlockPos blockPos, EntityPlayer entityPlayer, ItemStack itemStack) {
		return IncorporealLexiData.corporeaTinkerer;
	}
}

TileCorporeaSparkTinkerer.java

package quaternary.incorporeal.tile;

import net.minecraft.item.EnumDyeColor;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.math.MathHelper;
import net.minecraftforge.fml.relauncher.ReflectionHelper;
import quaternary.incorporeal.Incorporeal;
import quaternary.incorporeal.etc.CorporeaHelper2;
import vazkii.botania.common.entity.EntityCorporeaSpark;

import java.util.*;

public class TileCorporeaSparkTinkerer extends TileEntity {
	private EnumDyeColor myNetwork = EnumDyeColor.WHITE;	
	
	public TileCorporeaSparkTinkerer() {}
	
	public void doSwap() {
		if(world.isRemote) return;
		
		//look for other corporea sparks nearby
		List<EntityCorporeaSpark> nearbySparks = new ArrayList<>();
		for(EnumFacing offset : EnumFacing.HORIZONTALS) {
			EntityCorporeaSpark spork = CorporeaHelper2.getSparkEntityForBlock(world, pos.offset(offset));
			if(spork != null) nearbySparks.add(spork);
		}
		
		if(nearbySparks.size() == 0) return;
		
		//choose one
		Collections.shuffle(nearbySparks);
		EntityCorporeaSpark spork = nearbySparks.get(0);
		
		//switch my network color with that one
		
		EnumDyeColor itsNetwork = spork.getNetwork();
		
		Incorporeal.LOGGER.info("my network " + myNetwork);
		Incorporeal.LOGGER.info("its network " + itsNetwork);
		
		spork.setNetwork(myNetwork);
		myNetwork = itsNetwork;
		
		//this causes the corporea spark to relink
		//for some reason just changing the network is not enough...
		//also this is private...
		ReflectionHelper.setPrivateValue(EntityCorporeaSpark.class, spork, true, "firstTick");
		
		Incorporeal.LOGGER.info("ASDASD");
		Incorporeal.LOGGER.info("my network " + myNetwork);
		Incorporeal.LOGGER.info("its network " + spork.getNetwork());
	}
	
	public void setNetwork(EnumDyeColor color) {
		Incorporeal.LOGGER.info("SETTING MY COLOR TO " + color);
		myNetwork = color;
		Incorporeal.LOGGER.info(myNetwork);
	}
	
	@Override
	public void readFromNBT(NBTTagCompound nbt) {		
		myNetwork = EnumDyeColor.byMetadata(MathHelper.clamp(nbt.getInteger("Network"), 0, 15));
		
		super.readFromNBT(nbt);
	}
	
	@Override
	public NBTTagCompound writeToNBT(NBTTagCompound nbt) {
		nbt.setInteger("Network", myNetwork.getMetadata());
		return super.writeToNBT(nbt);
	}
}

WHAT HAPPENS.txt

[14:26:04] [Server thread/INFO]: <Player569> I right click the tinkerer with red dye
[14:26:07] [Server thread/INFO] [Incorporeal]: Setting color to red
[14:26:07] [Server thread/INFO] [Incorporeal]: SETTING MY COLOR TO red
[14:26:07] [Server thread/INFO] [Incorporeal]: red
[14:26:21] [Server thread/INFO]: <Player569> I power the tinkerer next to a chest with a blue spark on it
[14:26:26] [Server thread/INFO] [Incorporeal]: my network white
[14:26:26] [Server thread/INFO] [Incorporeal]: its network blue
[14:26:26] [Server thread/INFO] [Incorporeal]: ASDASD
[14:26:26] [Server thread/INFO] [Incorporeal]: my network blue
[14:26:26] [Server thread/INFO] [Incorporeal]: its network white
[14:26:34] [Server thread/INFO]: <Player569> It returns to white
[14:26:55] [Server thread/INFO]: <Player569> It's like, I'm setting the contents of the "myNetwork" field, but those changes disappear when I power the spark tinkerer