[Added] Start of enemies

include/entities/PBullet.h

@@ -3,6 +3,7 @@
 
 #include "services/CollectableService.h"
 #include "services/AssetService.h"
+#include "services/EnemyService.h"
 #include "entities/Bullet.h"
 #include <iostream>
 
@@ -29,6 +30,22 @@ private:
                 this->hasCollided = true;
             }
         }
+
+        for (auto &enemy : EnemyService::getInstance().getEnemies())
+        {
+            /** If the enemy is already falling of the map, dont allow bullets to hit it anymore */
+            if(enemy.getHealth() == 0)
+                continue;
+
+            if(this->position.x + this->size > enemy.getObject().getPosition().x && this->position.x-this->size < enemy.getObject().getPosition().x + enemy.getObject().getSize().x && 
+               this->position.y + this->size > enemy.getObject().getPosition().y && this->position.y-this->size < enemy.getObject().getPosition().y + enemy.getObject().getSize().y) {
+                enemy.takeDamage();
+                if(enemy.getHealth() == 0) {
+                    AssetService::getInstance().playSound(ESound::ENEMY_DEFEATED);
+                }
+                this->hasCollided = true;
+            }
+        }
     }
 };