feat: add kill reward + effect damages

src/game/World.cpp

@@ -243,6 +243,15 @@ void World::cleanDeadMobs() {
     for (std::size_t i = 0; i < m_Mobs.size(); i++) {
         MobPtr mob = m_Mobs[i];
         if (!mob->isAlive()) {
+            mob->OnDeath(this);
+
+            //reward players
+            Player& sender = m_Game->getPlayerById(mob->getSender());
+            sender.addEXP(mob->getStats()->getExpReward());
+
+            Player& killer = m_Game->getPlayerById(mob->getKillTower()->getBuilder());
+            killer.addGold(mob->getStats()->getMoneyCost());
+
             m_Mobs.erase(m_Mobs.begin() + i);
         }
     }
@@ -271,6 +280,8 @@ void World::OnArrowShot(MobPtr target, Tower* shooter) {
         // aoe damage
     } else {
         target->damage(shooter->getStats()->getDamage());
+        if(target->isDead())
+            target->setKillTower(shooter);
     }
 }