Add entity- and tileentity-sensitive versions of Spell#canBeCastByNPCs and Spell#canBeCastByDispensers

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

@@ -11,6 +11,7 @@ import net.minecraft.entity.EntityLiving;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.EnumAction;
+import net.minecraft.tileentity.TileEntityDispenser;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.EnumHand;
 import net.minecraft.util.math.MathHelper;
@@ -29,9 +30,9 @@ import java.util.function.Function;
  * <p></p>
  * Properties added by this type of spell: {@link Spell#RANGE}
  * <p></p>
- * By default, this type of spell can be cast by NPCs. {@link Spell#canBeCastByNPCs()}
+ * By default, this type of spell can be cast by NPCs. {@link Spell#canBeCastBy(EntityLiving, boolean)}
  * <p></p>
- * By default, this type of spell can be cast by dispensers. {@link Spell#canBeCastByDispensers()}
+ * By default, this type of spell can be cast by dispensers. {@link Spell#canBeCastBy(TileEntityDispenser)}
  * <p></p>
  * By default, this type of spell does not require a packet to be sent. {@link Spell#requiresPacket()}
  * 
@@ -62,9 +63,9 @@ public class SpellArrow<T extends EntityMagicArrow> extends Spell {
 	
 	@Override public boolean requiresPacket(){ return false; }
 	
-	@Override public boolean canBeCastByNPCs(){ return true; }
+	@Override public boolean canBeCastBy(EntityLiving npc, boolean override){ return true; }
 	
-	@Override public boolean canBeCastByDispensers() { return true; }
+	@Override public boolean canBeCastBy(TileEntityDispenser dispenser) { return true; }
 
 	/** Computes the velocity the projectile should be launched at to achieve the required range. */
 	// Long story short, it doesn't make much sense to me to have the JSON file specify the velocity - even less so if