Sync tile entities with casters properly, and tidy up a few other related things

src/main/java/electroblob/wizardry/spell/ForestOfThorns.java

@@ -89,7 +89,10 @@ public class ForestOfThorns extends Spell {
 					if(tileentity instanceof TileEntityPlayerSaveTimed){
 						((TileEntityPlayerSaveTimed)tileentity).setLifetime((int)(getProperty(DURATION).floatValue()
 								* modifiers.get(WizardryItems.duration_upgrade)));
-						if(caster != null) ((TileEntityPlayerSaveTimed)tileentity).setCaster(caster);
+						if(caster != null){
+							((TileEntityPlayerSaveTimed)tileentity).setCaster(caster);
+						}
+						((TileEntityPlayerSaveTimed)tileentity).sync();
 					}
 				}
 			}

src/main/java/electroblob/wizardry/spell/Snare.java

@@ -32,8 +32,10 @@ public class Snare extends SpellRay {
 	protected boolean onBlockHit(World world, BlockPos pos, EnumFacing side, Vec3d hit, EntityLivingBase caster, Vec3d origin, int ticksInUse, SpellModifiers modifiers){
 		
 		if(side == EnumFacing.UP && world.isSideSolid(pos, EnumFacing.UP) && WizardryUtilities.canBlockBeReplaced(world, pos.up())){
-			world.setBlockState(pos.up(), WizardryBlocks.snare.getDefaultState());
+			if(!world.isRemote){
-			((TileEntityPlayerSave)world.getTileEntity(pos.up())).setCaster(caster);
+				world.setBlockState(pos.up(), WizardryBlocks.snare.getDefaultState());
+				((TileEntityPlayerSave)world.getTileEntity(pos.up())).setCaster(caster);
+			}
 			return true;
 		}
 		

src/main/java/electroblob/wizardry/tileentity/TileEntityArcaneWorkbench.java

@@ -237,7 +237,7 @@ public class TileEntityArcaneWorkbench extends TileEntity implements IInventory,
 
 	@Override
 	public SPacketUpdateTileEntity getUpdatePacket(){
-		return new SPacketUpdateTileEntity(pos, getBlockMetadata(), this.getUpdateTag());
+		return new SPacketUpdateTileEntity(pos, 0, this.getUpdateTag());
 	}
 
 	@Override

src/main/java/electroblob/wizardry/tileentity/TileEntityBookshelf.java

@@ -3,7 +3,6 @@ package electroblob.wizardry.tileentity;
 import electroblob.wizardry.Wizardry;
 import electroblob.wizardry.block.BlockBookshelf;
 import electroblob.wizardry.inventory.ContainerBookshelf;
-import electroblob.wizardry.item.ItemSpellBook;
 import electroblob.wizardry.util.NBTExtras;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.inventory.IInventory;
@@ -181,7 +180,7 @@ public class TileEntityBookshelf extends TileEntity implements IInventory, ITick
 
 	@Override
 	public SPacketUpdateTileEntity getUpdatePacket(){
-		return new SPacketUpdateTileEntity(pos, getBlockMetadata(), this.getUpdateTag());
+		return new SPacketUpdateTileEntity(pos, 0, this.getUpdateTag());
 	}
 
 	@Override

src/main/java/electroblob/wizardry/tileentity/TileEntityLectern.java

@@ -87,7 +87,7 @@ public class TileEntityLectern extends TileEntity implements ITickable {
 
 	@Override
 	public SPacketUpdateTileEntity getUpdatePacket(){
-		return new SPacketUpdateTileEntity(pos, getBlockMetadata(), this.getUpdateTag());
+		return new SPacketUpdateTileEntity(pos, 0, this.getUpdateTag());
 	}
 
 	@Override

src/main/java/electroblob/wizardry/tileentity/TileEntityPlayerSave.java

@@ -5,6 +5,8 @@ import electroblob.wizardry.util.WizardryUtilities;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.network.NetworkManager;
+import net.minecraft.network.play.server.SPacketUpdateTileEntity;
 import net.minecraft.tileentity.TileEntity;
 
 import javax.annotation.Nullable;
@@ -19,6 +21,11 @@ public class TileEntityPlayerSave extends TileEntity {
 
 	public TileEntityPlayerSave(){}
 
+	/** Called to manually sync the tile entity with clients. */
+	public void sync(){
+		this.world.markAndNotifyBlock(pos, null, world.getBlockState(pos), world.getBlockState(pos), 3);
+	}
+
 	@Override
 	public void readFromNBT(NBTTagCompound tagCompound){
 		super.readFromNBT(tagCompound);
@@ -57,6 +64,22 @@ public class TileEntityPlayerSave extends TileEntity {
 
 	public void setCaster(@Nullable EntityLivingBase caster){
 		this.casterUUID = caster == null ? null : caster.getUniqueID();
+		this.sync();
+	}
+
+	@Override
+	public final NBTTagCompound getUpdateTag(){
+		return this.writeToNBT(new NBTTagCompound());
+	}
+
+	@Override
+	public SPacketUpdateTileEntity getUpdatePacket(){
+		return new SPacketUpdateTileEntity(pos, 0, this.getUpdateTag());
+	}
+
+	@Override
+	public void onDataPacket(NetworkManager net, SPacketUpdateTileEntity pkt){
+		readFromNBT(pkt.getNbtCompound());
 	}
 
 }

src/main/java/electroblob/wizardry/tileentity/TileEntityPlayerSaveTimed.java

@@ -48,22 +48,4 @@ public class TileEntityPlayerSaveTimed extends TileEntityPlayerSave implements I
 		return tagCompound;
 	}
 
-	@Override
-	public final NBTTagCompound getUpdateTag(){
-		return this.writeToNBT(new NBTTagCompound());
-	}
-
-	@Override
-	public SPacketUpdateTileEntity getUpdatePacket(){
-		NBTTagCompound tag = new NBTTagCompound();
-		writeToNBT(tag);
-		return new SPacketUpdateTileEntity(pos, 1, tag);
-	}
-
-	@Override
-	public void onDataPacket(NetworkManager net, SPacketUpdateTileEntity pkt){
-		NBTTagCompound tag = pkt.getNbtCompound();
-		readFromNBT(tag);
-	}
-
 }

src/main/java/electroblob/wizardry/tileentity/TileEntityReceptacle.java

@@ -50,7 +50,7 @@ public class TileEntityReceptacle extends TileEntity {
 	@Nullable
 	@Override
 	public SPacketUpdateTileEntity getUpdatePacket(){
-		return new SPacketUpdateTileEntity(pos, getBlockMetadata(), this.getUpdateTag());
+		return new SPacketUpdateTileEntity(pos, 0, this.getUpdateTag());
 	}
 
 	@Override