Fix mana spreader entity ID leak (#162)

src/main/java/vazkii/botania/common/block/BlockAlfPortal.java

@@ -62,10 +62,13 @@ public class BlockAlfPortal extends BlockModContainer<TileAlfPortal> implements
 
 	@Override
 	public boolean onUsedByWand(EntityPlayer player, ItemStack stack, World world, int x, int y, int z, int side) {
-		boolean did = ((TileAlfPortal) world.getTileEntity(x, y, z)).onWanded();
-		if(did && player != null)
-			player.addStat(ModAchievements.elfPortalOpen, 1);
-		return did;
+		if(!world.isRemote) {
+			boolean did = ((TileAlfPortal) world.getTileEntity(x, y, z)).onWanded();
+			if(did && player != null)
+				player.addStat(ModAchievements.elfPortalOpen, 1);
+			return did;
+		}
+		return true;
 	}
 
 	@Override

src/main/java/vazkii/botania/common/block/tile/TileAlfPortal.java

@@ -167,7 +167,8 @@ public class TileAlfPortal extends TileMod {
 		} else closeNow = false;
 
 		if(closeNow) {
-			worldObj.setBlockMetadataWithNotify(xCoord, yCoord, zCoord, 0, 1 | 2);
+			if(!worldObj.isRemote)
+				worldObj.setBlockMetadataWithNotify(xCoord, yCoord, zCoord, 0, 1 | 2);
 			for(int i = 0; i < 36; i++)
 				blockParticle(meta);
 			closeNow = false;
@@ -175,7 +176,8 @@ public class TileAlfPortal extends TileMod {
 			if(newMeta == 0)
 				for(int i = 0; i < 36; i++)
 					blockParticle(meta);
-			worldObj.setBlockMetadataWithNotify(xCoord, yCoord, zCoord, newMeta, 1 | 2);
+			if(!worldObj.isRemote)
+				worldObj.setBlockMetadataWithNotify(xCoord, yCoord, zCoord, newMeta, 1 | 2);
 		} else if(explode) {
 			worldObj.createExplosion(null, xCoord + .5, yCoord + 2.0, zCoord + .5, 3f, true);
 			explode = false;

src/main/java/vazkii/botania/common/block/tile/mana/TileSpreader.java

@@ -464,8 +464,6 @@ public class TileSpreader extends TileSimpleInventory implements IManaCollector,
 	}
 
 	public EntityManaBurst getBurst(boolean fake) {
-		EntityManaBurst burst = new EntityManaBurst(this, fake);
-
 		boolean dreamwood = isDreamwood();
 		boolean ultra = isULTRA_SPREADER();
 		int maxMana = ultra ? 640 : dreamwood ? 240 : 160;
@@ -480,29 +478,31 @@ public class TileSpreader extends TileSimpleInventory implements IManaCollector,
 		if(lens != null && lens.getItem() instanceof ILensEffect)
 			((ILensEffect) lens.getItem()).apply(lens, props);
 
-		burst.setSourceLens(lens);
-		if(getCurrentMana() >= props.maxMana || fake) {
-			if(mapmakerOverride) {
-				burst.setColor(mmForcedColor);
-				burst.setMana(mmForcedManaPayload);
-				burst.setStartingMana(mmForcedManaPayload);
-				burst.setMinManaLoss(mmForcedTicksBeforeManaLoss);
-				burst.setManaLossPerTick(mmForcedManaLossPerTick);
-				burst.setGravity(mmForcedGravity);
-				burst.setMotion(burst.motionX * mmForcedVelocityMultiplier, burst.motionY * mmForcedVelocityMultiplier, burst.motionZ * mmForcedVelocityMultiplier);
-			} else {
-				burst.setColor(props.color);
-				burst.setMana(props.maxMana);
-				burst.setStartingMana(props.maxMana);
-				burst.setMinManaLoss(props.ticksBeforeManaLoss);
-				burst.setManaLossPerTick(props.manaLossPerTick);
-				burst.setGravity(props.gravity);
-				burst.setMotion(burst.motionX * props.motionModifier, burst.motionY * props.motionModifier, burst.motionZ * props.motionModifier);
-			}
+		if(getCurrentMana() < props.maxMana && !fake)
+			return null;
 
-			return burst;
+		// Construct the entity only after the mana check, every new Entity takes a global entity ID
+		EntityManaBurst burst = new EntityManaBurst(this, fake);
+		burst.setSourceLens(lens);
+		if(mapmakerOverride) {
+			burst.setColor(mmForcedColor);
+			burst.setMana(mmForcedManaPayload);
+			burst.setStartingMana(mmForcedManaPayload);
+			burst.setMinManaLoss(mmForcedTicksBeforeManaLoss);
+			burst.setManaLossPerTick(mmForcedManaLossPerTick);
+			burst.setGravity(mmForcedGravity);
+			burst.setMotion(burst.motionX * mmForcedVelocityMultiplier, burst.motionY * mmForcedVelocityMultiplier, burst.motionZ * mmForcedVelocityMultiplier);
+		} else {
+			burst.setColor(props.color);
+			burst.setMana(props.maxMana);
+			burst.setStartingMana(props.maxMana);
+			burst.setMinManaLoss(props.ticksBeforeManaLoss);
+			burst.setManaLossPerTick(props.manaLossPerTick);
+			burst.setGravity(props.gravity);
+			burst.setMotion(burst.motionX * props.motionModifier, burst.motionY * props.motionModifier, burst.motionZ * props.motionModifier);
 		}
-		return null;
+
+		return burst;
 	}
 
 	public ILensControl getLensController(ItemStack stack) {