refactor: moved mob functions

src/game/Mobs.cpp

@@ -1,4 +1,6 @@
 #include "game/Mobs.h"
+#include "game/Player.h"
+#include "game/World.h"
 
 #include <map>
 #include <algorithm>
@@ -30,8 +32,171 @@ void Mob::addEffect(EffectType effectType, float durationSec, const Tower* tower
     }
 }
 
-void Mob::tick(std::uint64_t delta) {
+void Mob::attackCastle(std::uint64_t delta, World* world) {
+    if (m_AttackTimer.update(delta)) {
+        world->getMobNotifier().notifyListeners(&MobListener::OnMobCastleDamage, this, m_CastleTarget, getStats()->getDamage());
+        m_AttackTimer.applyCooldown();
+    }
+}
+
+void Mob::walk(std::uint64_t delta, World* world) {
+    float mobWalkSpeed = getStats()->getMovementSpeed();
+
+    float walkAmount = mobWalkSpeed * ((float)delta / 1000.0f);
+
+    if (hasEffect(EffectType::Slowness))
+        walkAmount *= 0.70; // walk 30% slower
+
+    switch (getDirection()) {
+    case Direction::NegativeX: {
+        setCenterX(getCenterX() - walkAmount);
+        break;
+    }
+    case Direction::PositiveX: {
+        setCenterX(getCenterX() + walkAmount);
+        break;
+    }
+    case Direction::NegativeY: {
+        setCenterY(getCenterY() - walkAmount);
+        break;
+    }
+    case Direction::PositiveY: {
+        setCenterY(getCenterY() + walkAmount);
+        break;
+    }
+    }
+}
+
+void Mob::move(std::uint64_t delta, World* world) {
+    TilePtr tile = world->getTile(getCenter().getX(), getCenter().getY());
+
+    if (tile != nullptr && tile->getType() == TileType::Walk) {
+        WalkableTilePtr walkTile = std::static_pointer_cast<WalkableTile>(tile);
+        changeDirection(*walkTile, world);
+    }
+
+    if (hasReachedEnemyCastle()) return;
+
+    walk(delta, world);
+
+    TeamColor mobTeam = world->getPlayerById(getSender())->getTeamColor();
+
+    TeamCastle* enemyCastle = nullptr;
+
+    if (mobTeam == TeamColor::Red) {
+        enemyCastle = &world->getBlueTeam().getCastle();
+    } else if (mobTeam == TeamColor::Blue) {
+        enemyCastle = &world->getRedTeam().getCastle();
+    }
+
+    if (isTouchingCastle(*enemyCastle)) {
+        moveBack(*enemyCastle, world);
+        setMobReachedCastle(enemyCastle);
+
+        world->getMobNotifier().notifyListeners(&MobListener::OnMobTouchCastle, this, enemyCastle);
+    }
+}
+
+void Mob::moveBack(const TeamCastle& enemyCastle, World* world) {
+    switch (getDirection()) {
+    case Direction::NegativeX: {
+        setCenterX(enemyCastle.getBottomRight().getX() + getWidth() / 2.0f);
+        break;
+    }
+    case Direction::PositiveX: {
+        setCenterX(enemyCastle.getTopLeft().getX() - getWidth() / 2.0f);
+        break;
+    }
+    case Direction::NegativeY: {
+        setCenterY(enemyCastle.getBottomRight().getY() + getHeight() / 2.0f);
+        break;
+    }
+    case Direction::PositiveY: {
+        setCenterY(enemyCastle.getTopLeft().getY() - getHeight() / 2.0f);
+        break;
+    }
+    }
+}
+
+void Mob::changeDirection(const WalkableTile& tile, World* world) {
+    if (getDirection() == tile.direction) return;
+
+    float tileX = static_cast<float>(static_cast<std::int32_t>(getCenterX()));
+    float tileY = static_cast<float>(static_cast<std::int32_t>(getCenterY()));
+
+    switch (getDirection()) {
+
+    case Direction::PositiveY: {
+        if (tile.direction == Direction::NegativeX) {
+            if (getTileY() > getTileX()) {
+                setCenterY(tileY + getTileX());
+                setDirection(tile.direction);
+            }
+        } else { // tile->direction = Direction::PositiveX
+            if (getTileY() > 1 - getTileX()) {
+                setCenterY(tileY + (1 - getTileX()));
+                setDirection(tile.direction);
+            }
+        }
+        return;
+    }
+
+    case Direction::NegativeY: {
+        if (tile.direction == Direction::PositiveX) {
+            if (getTileY() < getTileX()) {
+                setCenterY(tileY + getTileX());
+                setDirection(tile.direction);
+            }
+        } else { // tile.direction = Direction::NegativeX
+            if (getTileY() < 1 - getTileX()) {
+                setCenterY(tileY + (1 - getTileX()));
+                setDirection(tile.direction);
+            }
+        }
+        return;
+    }
+
+    case Direction::PositiveX: {
+        if (tile.direction == Direction::NegativeY) {
+            if (getTileX() > getTileY()) {
+                setCenterX(tileX + getTileY());
+                setDirection(tile.direction);
+            }
+        } else { // tile.direction = Direction::PositiveY
+            if (getTileX() > 1 - getTileY()) {
+                setCenterX(tileX + (1 - getTileY()));
+                setDirection(tile.direction);
+            }
+        }
+        return;
+    }
+
+    case Direction::NegativeX: {
+        if (tile.direction == Direction::PositiveY) {
+            if (getTileX() < getTileY()) {
+                setCenterX(tileX + getTileY());
+                setDirection(tile.direction);
+            }
+        } else { // tile.direction = Direction::NegativeY
+            if (getTileX() < 1 - getTileY()) {
+                setCenterX(tileX + (1 - getTileY()));
+                setDirection(tile.direction);
+            }
+        }
+        return;
+    }
+
+    }
+}
+
+bool Mob::isTouchingCastle(const TeamCastle& enemyCastle) const {
+    return enemyCastle.collidesWith(*this);
+}
+
+void Mob::tick(std::uint64_t delta, World* world) {
     updateEffects(delta);
+    move(delta, world);
+    attackCastle(delta, world);
 }
 
 void Mob::updateEffects(std::uint64_t delta) {