feat: mob stop in front of castle

include/game/World.h

@@ -194,6 +194,8 @@ public:
 private:
     void moveMobs(std::uint64_t delta);
     void moveMob(MobPtr mob, std::uint64_t delta);
+    void moveBackMob(MobPtr mob, const TeamCastle& castle);
+    bool isMobTouchingCastle(MobPtr mob, const TeamCastle& castle) const;
     void tickMobs(std::uint64_t delta);
     void cleanDeadMobs();
 };

src/game/World.cpp

@@ -111,7 +111,7 @@ void World::tick(std::uint64_t delta) {
 
 void World::spawnMobAt(MobID id, MobType type, std::uint8_t level, PlayerID sender, float x, float y, Direction dir) {
     MobPtr mob = MobFactory::createMob(id, type, level, sender);
-    mob->setCenter({x, y});
+    mob->setCenter({ x, y });
     mob->setDirection(dir);
     m_Mobs.push_back(mob);
 }
@@ -138,6 +138,20 @@ void World::moveMobs(std::uint64_t delta) {
         }
 
         moveMob(mob, delta);
+
+        TeamColor mobTeam = m_Game->getPlayerById(mob->getSender()).getTeamColor();
+
+        const TeamCastle* enemyCastle;
+
+        if (mobTeam == TeamColor::Red) {
+            enemyCastle = &getBlueTeam().getCastle();
+        } else if (mobTeam == TeamColor::Blue) {
+            enemyCastle = &getRedTeam().getCastle();
+        }
+
+        if (isMobTouchingCastle(mob, *enemyCastle)) {
+            moveBackMob(mob, *enemyCastle);
+        }
     }
 }
 
@@ -169,6 +183,31 @@ void World::moveMob(MobPtr mob, std::uint64_t delta) {
     }
 }
 
+bool World::isMobTouchingCastle(MobPtr mob, const TeamCastle& enemyCastle) const {
+    return enemyCastle.collidesWith(*mob);
+}
+
+void World::moveBackMob(MobPtr mob, const TeamCastle& enemyCastle) {
+    switch (mob->getDirection()) {
+    case Direction::NegativeX: {
+        mob->setCenterX(enemyCastle.getBottomRight().getX() + mob->getWidth() / 2.0f);
+        break;
+    }
+    case Direction::PositiveX: {
+        mob->setCenterX(enemyCastle.getTopLeft().getX() - mob->getWidth() / 2.0f);
+        break;
+    }
+    case Direction::NegativeY: {
+        mob->setCenterY(enemyCastle.getBottomRight().getY() + mob->getHeight() / 2.0f);
+        break;
+    }
+    case Direction::PositiveY: {
+        mob->setCenterY(enemyCastle.getTopLeft().getY() - mob->getHeight() / 2.0f);
+        break;
+    }
+    }
+}
+
 const Color* World::getTileColor(TilePtr tile) const {
     switch (tile->getType()) {
     case TileType::Tower: {