src/main/java/Entity/Entity.java

@@ -17,4 +17,23 @@ public abstract class Entity implements HasPosition {
     public static List<Entity> getEntities() {
         return entities;
     }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) return true;
+        if (obj == null || getClass() != obj.getClass()) return false;
+
+        Entity entity = (Entity) obj;
+
+        return name.equals(entity.name);
+    }
+
+    @Override
+    public int hashCode() {
+        return name.hashCode();
+    }
+
+    @Override public String toString() {
+        return name;
+    }
 }

src/main/java/Job/Wizard.java

@@ -6,7 +6,10 @@ import Combat.OffensiveDamageSpell;
 import Entity.Entity;
 import Inventory.HasSpellBook;
 import Combat.Spell;
+import Entity.Position;
 
+import java.util.LinkedList;
+import java.util.List;
 import java.util.Scanner;
 
 public class Wizard extends Job {
@@ -48,9 +51,10 @@ public class Wizard extends Job {
             }
 
             Spell spell = spellbook.getSpellBook().get(spellIndex - 1);
+            Entity target = selectSpellTarget(spell, entity);
 
             if (mana.getMana() >= spell.getCost()){
-                spell.cast(entity, entity);
+                spell.cast(entity, target);
             }
             else{
                 System.out.println("Not enough mana!");
@@ -58,6 +62,36 @@ public class Wizard extends Job {
         }
     }
 
+    public Entity selectSpellTarget(Spell spell, Entity caster) {
+        int range = spell.getRange();
+        Position position = caster.getPosition();
+        int x = position.x();
+        int y = position.y();
+        List<Entity> acceptableTargets = new LinkedList<>();
+        for(Entity entity : Entity.getEntities()) {
+            if(x + range >= entity.getPosition().x() && x - range <= entity.getPosition().x()) {
+                if(y + range >= entity.getPosition().y() && y - range <= entity.getPosition().y()) {
+                    acceptableTargets.add(entity);
+                }
+            }
+        }
+
+        System.out.println("Who do you want to target with the spell?");
+        for(int i = 0; i < acceptableTargets.size(); i++){
+            System.out.println((i + 1) + ". " + acceptableTargets.get(i).toString());
+        }
+
+        int EntityIndex = scanner.nextInt();
+        scanner.nextLine();
+
+        if(EntityIndex < 1 || EntityIndex > acceptableTargets.size()) {
+            System.out.println("Invalid choice!");
+            return null;
+        }
+
+        return acceptableTargets.get(EntityIndex - 1);
+    }
+
     @Override
     public int getExperience() {
         return experience;

src/test/java/InterestingTests.java

@@ -2,6 +2,8 @@ import Combat.OffensiveDamageSpell;
 
 import Combat.OffensiveStatusSpell;
 
+import Entity.Position;
+import Entity.Entity;
 import Entity.Player;
 import Job.Wizard;
 import org.junit.jupiter.api.BeforeEach;
@@ -26,9 +28,14 @@ public class InterestingTests {
         wizard = new Wizard();
     }
 
+    @BeforeEach
+    public void cleanup() {
+        Entity.getEntities().clear();
+    }
+
     @Test
     public void testCastSpell_successfulCast() {
-        Scanner testScanner = new Scanner(new ByteArrayInputStream("1\n".getBytes()));
+        Scanner testScanner = new Scanner(new ByteArrayInputStream("1\n1\n".getBytes()));
         wizard = new Wizard(testScanner);
 
         Player player = new Player("Gandalf", wizard);
@@ -48,7 +55,7 @@ public class InterestingTests {
 
     @Test
     public void testCastSpell_notEnoughMana() {
-        Scanner testScanner = new Scanner(new ByteArrayInputStream("1\n".getBytes()));
+        Scanner testScanner = new Scanner(new ByteArrayInputStream("1\n1\n".getBytes()));
         wizard = new Wizard(testScanner);
 
         Player player = new Player("Merlin", wizard);
@@ -93,7 +100,7 @@ public class InterestingTests {
 
     @Test
     public void condition_spell_adds_condition() {
-        Scanner testScanner = new Scanner(new ByteArrayInputStream("1\n".getBytes()));
+        Scanner testScanner = new Scanner(new ByteArrayInputStream("1\n1\n".getBytes()));
         wizard = new Wizard(testScanner);
 
         Player player = new Player("Alfon", wizard);
@@ -105,4 +112,23 @@ public class InterestingTests {
         wizard.castSpell(player);
         assertThat(player.getConditions().contains("Poison"), is(true));
     }
+
+    @Test
+    public void select_spell_target_returns_correct_target() {
+        Scanner testScanner = new Scanner(new ByteArrayInputStream("2\n".getBytes()));
+        wizard = new Wizard(testScanner);
+        Position position = new Position(1,1);
+
+        Player player = new Player("Alfon", wizard);
+        Player player2 = new Player("Bob", wizard);
+        player.setMana(50);
+        player2.moveTo(position);
+
+        OffensiveDamageSpell fireball = new OffensiveDamageSpell("Fireball", 20, 1, 20);
+        player.getSpellBook().add(fireball);
+
+        Entity target = wizard.selectSpellTarget(fireball, player);
+
+        assertThat(target, is(player2));
+    }
 }