src/main/java/Entity/Player.java

@@ -7,26 +7,36 @@ import Combat.HasHealth;
 import Combat.HasMana;
 import Combat.Spell;
 import Inventory.Inventory;
+import Item.Equipment;
 import Job.Job;
 import Job.HasJob;
 import Inventory.HasInventory;
 import Inventory.HasSpellBook;
 
+import java.util.ArrayList;
 import java.util.LinkedList;
 import java.util.List;
 
 public class Player extends Entity implements Movable, Actor, HasInventory, HasSpellBook, HasJob, HasHealth, HasMana, HasConditions {
     protected int health;
     protected int mana;
+    protected int strength;
+    protected int magicStrength;
+    protected int defence;
+    protected int magicDefence;
     protected Job job;
     protected Position position = new Position(0,0);
     protected Inventory inventory= new Inventory();
     protected List<Spell> spells = new LinkedList<>();
     protected List<String> conditions = new LinkedList<>();
+    protected List<Equipment> equipments = new ArrayList<>();
     public Player(String name, Job job) {
         super(name);
         this.job = job;
         this.position = new Position(0,0);
+        for(int i= 0; i<4; i++){
+            equipments.add(null);
+        }
     }
 
     public Player(String name) {
@@ -53,12 +63,26 @@ public class Player extends Entity implements Movable, Actor, HasInventory, HasS
         this.job = job;
     }
 
+    public void equip(Equipment equipment) {
+        if(!equipment.getEquipable().equals(job)){
+            throw new IllegalStateException("A player with this job can not equip this equipment");
+        }
+        int i = equipment.getSlot();
+        if(!(equipments.get(i)==null)){
+            throw new IllegalStateException("Equipment slot already filled");
+        }
+        equipments.set(i, equipment);
+
+    }
+
     public Inventory getInventory() {
         return inventory;
     }
 
     public List<Spell> getSpellBook() {return spells;}
 
+    public List<Equipment> getEquipments() {return equipments;}
+
     @Override
     public List<String> getConditions() {return conditions;}
 
@@ -89,13 +113,104 @@ public class Player extends Entity implements Movable, Actor, HasInventory, HasS
     }
 
     @Override
-    public int getHealth() {return health;}
+    public int getHealth() {
+        if(equipments.isEmpty()){
+            return health;
+        }
+        int totalHealth = health;
+        for (Equipment e : equipments) {
+            if (e!=null) {
+                totalHealth+= e.getEquipmentType().getModifiers().getMaxHpMod();
+            }
+        }
+
+        return totalHealth;
+
+    }
 
     @Override
     public void setMana(int mana) {this.mana = mana;}
 
     @Override
-    public int getMana() {return mana;}
+    public int getMana() {
+        if(equipments.isEmpty()){
+            return mana;
+        }
+
+        int totalMana = mana;
+
+        for (Equipment e : equipments) {
+            if (e!=null) {
+                totalMana+= e.getEquipmentType().getModifiers().getMaxMpMod();
+            }
+        }
+
+        return totalMana;
+    }
+
+    public int getStrength() {
+        if(equipments.isEmpty()){
+            return strength;
+        }
+
+        int totalStrength = strength;
+
+        for (Equipment e : equipments) {
+            if (e!=null) {
+                totalStrength+= e.getEquipmentType().getModifiers().getStrMod();
+            }
+        }
+
+        return totalStrength;
+    }
+
+    public int getMagicStrength() {
+        if(equipments.isEmpty()){
+            return magicStrength;
+        }
+
+        int totalMagicStrength = magicStrength;
+
+        for (Equipment e : equipments) {
+            if(e!=null) {
+                totalMagicStrength+= e.getEquipmentType().getModifiers().getMagicStrMod();
+            }
+        }
+
+        return totalMagicStrength;
+    }
+
+    public int getDefence() {
+        if(equipments.isEmpty()){
+            return defence;
+        }
+
+        int totalDefence = defence;
+
+        for (Equipment e : equipments) {
+            if (e!=null) {
+                totalDefence+= e.getEquipmentType().getModifiers().getDefMod();
+            }
+        }
+
+        return totalDefence;
+    }
+
+    public int getMagicDefence() {
+        if(equipments.isEmpty()){
+            return magicDefence;
+        }
+
+        int totalMagicDefence = magicDefence;
+
+        for (Equipment e : equipments) {
+            if(e!=null) {
+                totalMagicDefence+= e.getEquipmentType().getModifiers().getMagicDefMod();
+            }
+        }
+
+        return totalMagicDefence;
+    }
 
     @Override
     public boolean isAlive() {

src/main/java/Item/AttributeModifier.java

@@ -34,4 +34,12 @@ public class AttributeModifier {
     public int getMagicDefMod() {
         return magicDefMod;
     }
+
+
+
+    @Override
+    public String toString() {
+        return "" + maxHpMod + maxMpMod + strMod + magicStrMod + defMod + magicDefMod;
+    }
+
 }

src/main/java/Item/Equipment.java

@@ -1,15 +1,20 @@
 package Item;
 
+
+import Job.Job;
+
 public class Equipment implements Item {
 
     private String id;
     private String name;
     private EquipmentType equipmentType;
+    private Job equipable;
     private int slot;
 
-    public Equipment(String id, String name, EquipmentType equipmentType, int slot) {
+    public Equipment(String id, String name, EquipmentType equipmentType, Job equipable, int slot) {
         this.id = id;
         this.name = name;
+        this.equipable = equipable;
         this.equipmentType = equipmentType;
         this.slot = slot;
     }
@@ -33,10 +38,19 @@ public class Equipment implements Item {
         return equipmentType;
     }
 
+    public Job getEquipable() {
+        return equipable;
+    }
+
     public int getSlot() {
         return slot;
     }
 
+
+    public boolean equals(Equipment e) {
+        return name.equals(e.getName()) && equipmentType.toString().equals(e.getEquipmentType().toString());
+    }
+
     @Override
     public String toString() {
         return name + equipmentType + slot;

src/main/java/Job/Knight.java

@@ -0,0 +1,8 @@
+package Job;
+
+public class Knight extends Job{
+    public Knight() {
+        super("Knight");
+    }
+
+}

src/test/java/EquipmentTest.java

@@ -1,22 +1,31 @@
+import Entity.Player;
+import Item.MageHat;
+import Job.Wizard;
+import Job.Knight;
 import org.junit.jupiter.api.Test;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
-
 import Item.Equipment;
 import Item.BodyArmour;
 import Item.AttributeModifier;
 
+import static org.junit.jupiter.api.Assertions.*;
+
 public class EquipmentTest {
+    private Knight knight = new Knight();
+    private Wizard wizard = new Wizard();
+    private Player defaultWizard(){
+        return new Player("name", wizard);
+    }
     private Equipment defaultBodyArmour() {
         AttributeModifier a = new AttributeModifier(4,8,7,1,2,8);
         BodyArmour b = new BodyArmour("Body Armour", a);
-        return new Equipment("5", "Thornmail", b, 2);
+        return new Equipment("5", "Thornmail", b, knight, 2);
     }
 
     private Equipment defaultMageHat() {
         AttributeModifier a = new AttributeModifier(4,8,2,10,2,8);
-        BodyArmour b = new BodyArmour("Mage Hat", a);
-        return new Equipment("6", "Deathmage Cap", b, 1);
+        MageHat b = new MageHat("Mage Hat", a);
+        return new Equipment("6", "Deathmage Cap", b, wizard, 1);
     }
 
 
@@ -73,4 +82,53 @@ public class EquipmentTest {
         var e = defaultBodyArmour();
         assertEquals(16, e.getEquipmentType().getModifiers().getMagicDefMod(), "Equipment magic defence modifier should have been set");
     }
+
+    @Test
+    void canEquipWithRightJob() {
+        var p = defaultWizard();
+        p.equip(defaultMageHat());
+        assertTrue(p.getEquipments().get(defaultMageHat().getSlot()).equals(defaultMageHat()), "Wizard can equip wizard hat");
+    }
+
+    @Test
+    void canNotEquipWithWrongJob() {
+        var p = defaultWizard();
+        IllegalStateException exception = assertThrows(
+                IllegalStateException.class,
+                () -> p.equip(defaultBodyArmour())
+        );
+        assertTrue(exception.getMessage().contains("A player with this job can not equip this equipment"));
+    }
+
+    @Test
+    void canNotEquipAlreadyEquippedSlot() {
+        AttributeModifier a = new AttributeModifier(2,2,2,2,2,8);
+        MageHat b = new MageHat("Mage Hat", a);
+        Equipment e = new Equipment("7", "Mage hat2", b, wizard, 1);
+        var p = defaultWizard();
+        p.equip(defaultMageHat());
+        IllegalStateException exception = assertThrows(
+                IllegalStateException.class,
+                () -> p.equip(e)
+        );
+        assertTrue(exception.getMessage().contains("Equipment slot already filled"));
+
+    }
+
+    @Test
+    void equipmentModifiesPlayerStats() {
+        var p = defaultWizard();
+        p.setHealth(100);
+        p.setMana(30);
+        p.equip(defaultMageHat());
+        assertEquals(104, p.getHealth(), "Equipment modifies health");
+        assertEquals(38, p.getMana(),  "Equipment modifies mana");
+        assertEquals(2, p.getStrength(),  "Equipment modifies strength");
+        assertEquals(20, p.getMagicStrength(),  "Equipment modifies magic strength");
+        assertEquals(2, p.getDefence(),  "Equipment modifies defence");
+        assertEquals(16, p.getMagicDefence() , "Equipment modifies magic defence");
+    }
+
+
+
 }