Minor changes

Adds new method for containers for finding first item of a class
Adds health potions
Allows the user to use potions

src/inf101/v18/rogue101/items/Backpack.java

@@ -11,7 +11,7 @@ public class Backpack implements IContainer {
     /**
      * A list containing everything in the backpack.
      */
-    private List<IItem> content = new ArrayList<>();
+    private final List<IItem> content = new ArrayList<>();
     /**
      * The maximum amount of items allowed in a single backpack.
      */
@@ -85,15 +85,20 @@ public class Backpack implements IContainer {
         }
     }
 
-    /**
-     * Removes an element at index i
-     *
-     * @param i The index of an element
-     */
+    @Override
     public void remove(int i) {
         content.remove(i);
     }
 
+    /**
+     * Removes item from the backpack.
+     *
+     * @param item  The item to remove
+     */
+    public void remove(IItem item) {
+        content.remove(item);
+    }
+
     /**
      * Gets a T at index i,
      *
@@ -127,4 +132,14 @@ public class Backpack implements IContainer {
     public boolean isFull() {
         return size() >= MAX_SIZE;
     }
+
+    @Override
+    public IItem getFirst(Class<?> clazz) {
+        for (IItem item : content) {
+            if (clazz.isInstance(item)) {
+                return item;
+            }
+        }
+        return null;
+    }
 }

src/inf101/v18/rogue101/items/Chest.java

@@ -8,8 +8,8 @@ import java.util.Collections;
 import java.util.List;
 
 public class Chest implements IContainer, IStatic {
-    private List<IItem> container;
-    private int MAX_SIZE = 10;
+    private final List<IItem> container;
+    private final int MAX_SIZE = 10;
 
     public Chest() {
         this.container = new ArrayList<>();
@@ -48,6 +48,16 @@ public class Chest implements IContainer, IStatic {
         return container.size() >= MAX_SIZE;
     }
 
+    @Override
+    public IItem getFirst(Class<?> clazz) {
+        for (IItem item : container) {
+            if (clazz.isInstance(item)) {
+                return item;
+            }
+        }
+        return null;
+    }
+
     @Override
     public int getCurrentHealth() {
         return 0;
@@ -91,4 +101,9 @@ public class Chest implements IContainer, IStatic {
             return false;
         }
     }
+
+    @Override
+    public void remove(int i) {
+        container.remove(i);
+    }
 }

src/inf101/v18/rogue101/items/HealthPotion.java

@@ -0,0 +1,56 @@
+package inf101.v18.rogue101.items;
+
+import inf101.v18.rogue101.game.IGame;
+import inf101.v18.rogue101.objects.IItem;
+
+public class HealthPotion implements IConsumable {
+    @Override
+    public int hpIncrease() {
+        return 100;
+    }
+
+    @Override
+    public int attackIncrease() {
+        return 0;
+    }
+
+    @Override
+    public int defenceIncrease() {
+        return 0;
+    }
+
+    @Override
+    public int getCurrentHealth() {
+        return 0;
+    }
+
+    @Override
+    public int getDefence() {
+        return 0;
+    }
+
+    @Override
+    public int getMaxHealth() {
+        return 0;
+    }
+
+    @Override
+    public String getName() {
+        return "Healing potion";
+    }
+
+    @Override
+    public int getSize() {
+        return 0;
+    }
+
+    @Override
+    public String getSymbol() {
+        return "H";
+    }
+
+    @Override
+    public int handleDamage(IGame game, IItem source, int amount) {
+        return 0;
+    }
+}

src/inf101/v18/rogue101/items/IConsumable.java

@@ -3,7 +3,7 @@ package inf101.v18.rogue101.items;
 import inf101.v18.rogue101.objects.IItem;
 
 public interface IConsumable extends IItem {
-    void hpIncrease();
-    void attackIncrease();
-    void defenceIncrease();
+    int hpIncrease();
+    int attackIncrease();
+    int defenceIncrease();
 }

src/inf101/v18/rogue101/items/IContainer.java

@@ -9,39 +9,54 @@ public interface IContainer extends IItem {
      * Retrieves an item from a container in index i
      *
      * @param i The index of an element
-     * @return  An IItem
-     * @throws  IndexOutOfBoundsException If the index is out of range.
+     * @return An IItem
+     * @throws IndexOutOfBoundsException If the index is out of range.
      */
     IItem get(int i);
 
     /**
      * Adds an item to a container.
      *
-     * @praram item The item to add to the container
      * @return True if the container was not full
+     * @praram item The item to add to the container
      */
     boolean addItem(IItem item);
 
     /**
      * Gets a list with everything inside a container.
      *
-     * @return  A list of Objects extending IItem
+     * @return A list of Objects extending IItem
      */
     List<IItem> getContent();
 
     /**
      * Checks if we can add anything at all to the container.
      *
-     * @return  True if it has no space left
+     * @return True if it has no space left
      */
     boolean isFull();
 
     /**
      * Returns the message to show the user upon interacting with the container.
      *
-     * @return  A message
+     * @return A message
      */
     default String getInteractMessage() {
         return "Items in " + getName() + ": ";
     }
-}
+
+    /**
+     * Gets the first item from the container of a specified type.
+     *
+     * @param clazz The class type to accept
+     * @return An IItem or null
+     */
+    IItem getFirst(Class<?> clazz);
+
+    /**
+     * Removes an element at index i from the container.
+     *
+     * @param i The index of an element
+     */
+    void remove(int i);
+}

src/inf101/v18/rogue101/items/Manga.java

@@ -1,65 +0,0 @@
-package inf101.v18.rogue101.items;
-
-import inf101.v18.rogue101.game.IGame;
-import inf101.v18.rogue101.objects.IItem;
-
-public class Manga implements IItem {
-    private int hp = getMaxHealth();
-
-    /*@Override
-    public boolean draw(ITurtle painter, double w, double h) {
-        painter.save();
-        painter.jump(-10);
-        painter.setInk(Color.BLACK);
-        painter.draw(getSize());
-        painter.turn(90);
-        painter.draw(getSize()/2);
-        painter.turn(90);
-        painter.draw(getSize());
-        painter.turn(90);
-        painter.draw(getSize()/2);
-        painter.restore();
-        return true;
-    }*/
-
-    @Override
-    public int getCurrentHealth() {
-        return hp;
-    }
-
-    @Override
-    public int getDefence() {
-        return 0;
-    }
-
-    @Override
-    public int getMaxHealth() {
-        return 1;
-    }
-
-    @Override
-    public String getName() {
-        return "Manga";
-    }
-
-    @Override
-    public int getSize() {
-        return 5;
-    }
-
-    @Override
-    public String getPrintSymbol() {
-        return "🕮";
-    }
-
-    @Override
-    public String getSymbol() {
-        return "M";
-    }
-
-    @Override
-    public int handleDamage(IGame game, IItem source, int amount) {
-        hp -= amount;
-        return amount;
-    }
-}