Add cooldowns (using the vanilla mechanic) to various consumable items

src/main/java/electroblob/wizardry/item/ItemFirebomb.java

@@ -29,6 +29,8 @@ public class ItemFirebomb extends Item {
 
 		player.playSound(WizardrySounds.ENTITY_FIREBOMB_THROW, 0.5F, 0.4F / (itemRand.nextFloat() * 0.4F + 0.8F));
 
+		player.getCooldownTracker().setCooldown(this, 20);
+
 		if(!world.isRemote){
 			EntityFirebomb firebomb = new EntityFirebomb(world);
 			firebomb.aim(player, 1);

src/main/java/electroblob/wizardry/item/ItemManaFlask.java

@@ -77,6 +77,7 @@ public class ItemManaFlask extends Item {
 			WizardryUtilities.playSoundAtPlayer(player, WizardrySounds.ITEM_MANA_FLASK_RECHARGE, 0.7f, 1.1f);
 
 			if(!player.isCreative()) flask.shrink(1);
+			player.getCooldownTracker().setCooldown(this, 20);
 
 			return new ActionResult<>(EnumActionResult.SUCCESS, flask);
 

src/main/java/electroblob/wizardry/item/ItemPoisonBomb.java

@@ -29,6 +29,8 @@ public class ItemPoisonBomb extends Item {
 
 		player.playSound(WizardrySounds.ENTITY_POISON_BOMB_THROW, 0.5F, 0.4F / (itemRand.nextFloat() * 0.4F + 0.8F));
 
+		player.getCooldownTracker().setCooldown(this, 20);
+
 		if(!world.isRemote){
 			EntityPoisonBomb poisonbomb = new EntityPoisonBomb(world);
 			poisonbomb.aim(player, 1);

src/main/java/electroblob/wizardry/item/ItemScroll.java

@@ -190,6 +190,9 @@ public class ItemScroll extends Item implements ISpellCastingItem, IWorkbenchIte
 
 				// Scrolls are consumed upon successful use in survival mode
 				if(!spell.isContinuous && !caster.isCreative()) stack.shrink(1);
+
+				// Now uses the vanilla cooldown mechanic to prevent spamming of spells
+				if(!spell.isContinuous) caster.getCooldownTracker().setCooldown(this, spell.getCooldown());
 			}
 
 			return true;
@@ -201,21 +204,29 @@ public class ItemScroll extends Item implements ISpellCastingItem, IWorkbenchIte
 	@Override
 	public void onPlayerStoppedUsing(ItemStack stack, World world, EntityLivingBase user, int timeLeft){
 		// Consumes a continuous spell scroll when a player in survival mode stops using it.
-		if(Spell.byMetadata(stack.getItemDamage()).isContinuous
+		finishCasting(stack, user);
-				&& (!(user instanceof EntityPlayer) || !((EntityPlayer)user).isCreative())){
-			stack.shrink(1);
-		}
 	}
 
 	@Override
 	public ItemStack onItemUseFinish(ItemStack stack, World world, EntityLivingBase user){
 		// Consumes a continuous spell scroll when the casting elapses whilst in use by a player in survival mode.
+		finishCasting(stack, user);
+		return stack;
+	}
+
+	private void finishCasting(ItemStack stack, EntityLivingBase user){
+
 		if(Spell.byMetadata(stack.getItemDamage()).isContinuous
 				&& (!(user instanceof EntityPlayer) || !((EntityPlayer)user).isCreative())){
-			stack.shrink(1);
-		}
 
-		return stack;
+			stack.shrink(1);
+
+			Spell spell = Spell.byMetadata(stack.getItemDamage());
+
+			if(user instanceof EntityPlayer){
+				((EntityPlayer)user).getCooldownTracker().setCooldown(this, spell.getCooldown());
+			}
+		}
 	}
 
 	@Override

src/main/java/electroblob/wizardry/item/ItemSmokeBomb.java

@@ -29,6 +29,8 @@ public class ItemSmokeBomb extends Item {
 
 		player.playSound(WizardrySounds.ENTITY_SMOKE_BOMB_THROW, 0.5F, 0.4F / (itemRand.nextFloat() * 0.4F + 0.8F));
 
+		player.getCooldownTracker().setCooldown(this, 20);
+
 		if(!world.isRemote){
 			EntitySmokeBomb smokebomb = new EntitySmokeBomb(world);
 			smokebomb.aim(player, 1);

src/main/java/electroblob/wizardry/item/ItemSparkBomb.java

@@ -29,6 +29,8 @@ public class ItemSparkBomb extends Item {
 
 		player.playSound(WizardrySounds.ENTITY_SPARK_BOMB_THROW, 0.5F, 0.4F / (itemRand.nextFloat() * 0.4F + 0.8F));
 
+		player.getCooldownTracker().setCooldown(this, 20);
+
 		if(!world.isRemote){
 			EntitySparkBomb sparkBomb = new EntitySparkBomb(world);
 			sparkBomb.aim(player, 1);