refactor: move codes from std::bind to lambda expressions

src/creatures/combat/condition.cpp

@@ -2041,7 +2041,11 @@ bool ConditionFeared::executeCondition(std::shared_ptr<Creature> creature, int32
 		}
 
 		if (getFleePath(creature, currentPos, listDir)) {
-			g_dispatcher().addEvent(std::bind(&Game::forcePlayerAutoWalk, &g_game(), creature->getID(), listDir.data()), "ConditionFeared::executeCondition");
+			g_dispatcher().addEvent([id = creature->getID(), listDir = listDir.data()] {
+				g_game().forcePlayerAutoWalk(id, listDir);
+			},
+									"ConditionFeared::executeCondition");
+
 			g_logger().debug("[ConditionFeared::executeCondition] Walking Scheduled");
 		}
 	}

src/creatures/creature.cpp

@@ -258,8 +258,8 @@ void Creature::addEventWalk(bool firstStep) {
 		}
 
 		self->eventWalk = g_dispatcher().scheduleEvent(
-			static_cast<uint32_t>(ticks), std::bind(&Game::checkCreatureWalk, &g_game(), self->getID()),
-			"Creature::checkCreatureWalk"
+			static_cast<uint32_t>(ticks),
+			[creatureId = self->getID()] { g_game().checkCreatureWalk(creatureId); }, "Creature::checkCreatureWalk"
 		);
 	});
 }
@@ -600,7 +600,7 @@ void Creature::onCreatureMove(const std::shared_ptr<Creature> &creature, const s
 	if (followCreature && (creature == getCreature() || creature == followCreature)) {
 		if (hasFollowPath) {
 			isUpdatingPath = true;
-			g_dispatcher().addEvent(std::bind(&Game::updateCreatureWalk, &g_game(), getID()), "Game::updateCreatureWalk");
+			g_dispatcher().addEvent([creatureId = getID()] { g_game().updateCreatureWalk(creatureId); }, "Game::updateCreatureWalk");
 		}
 
 		if (newPos.z != oldPos.z || !canSee(followCreature->getPosition())) {
@@ -615,7 +615,7 @@ void Creature::onCreatureMove(const std::shared_ptr<Creature> &creature, const s
 		} else {
 			if (hasExtraSwing()) {
 				// our target is moving lets see if we can get in hit
-				g_dispatcher().addEvent(std::bind(&Game::checkCreatureAttack, &g_game(), getID()), "Game::checkCreatureAttack");
+				g_dispatcher().addEvent([creatureId = getID()] { g_game().checkCreatureAttack(creatureId); }, "Game::checkCreatureAttack");
 			}
 
 			if (newTile->getZoneType() != oldTile->getZoneType()) {
@@ -814,10 +814,10 @@ bool Creature::dropCorpse(std::shared_ptr<Creature> lastHitCreature, std::shared
 				}
 
 				if (player->checkAutoLoot(monster->isRewardBoss()) && corpseContainer && mostDamageCreature->getPlayer()) {
-					g_dispatcher().addEvent(
-						std::bind(&Game::playerQuickLootCorpse, &g_game(), player, corpseContainer, corpse->getPosition()),
-						"Game::playerQuickLootCorpse"
-					);
+					g_dispatcher().addEvent([player, corpseContainer, corpsePosition = corpse->getPosition()] {
+						g_game().playerQuickLootCorpse(player, corpseContainer, corpsePosition);
+					},
+											"Game::playerQuickLootCorpse");
 				}
 			}
 		}
@@ -861,7 +861,7 @@ void Creature::changeHealth(int32_t healthChange, bool sendHealthChange /* = tru
 		g_game().addCreatureHealth(static_self_cast<Creature>());
 	}
 	if (health <= 0) {
-		g_dispatcher().addEvent(std::bind(&Game::executeDeath, &g_game(), getID()), "Game::executeDeath");
+		g_dispatcher().addEvent([creatureId = getID()] { g_game().executeDeath(creatureId); }, "Game::executeDeath");
 	}
 }
 
@@ -1401,9 +1401,7 @@ void Creature::removeCondition(ConditionType_t conditionType, ConditionId_t cond
 			int32_t walkDelay = getWalkDelay();
 			if (walkDelay > 0) {
 				g_dispatcher().scheduleEvent(
-					walkDelay,
-					std::bind(&Game::forceRemoveCondition, &g_game(), getID(), conditionType, conditionId),
-					"Game::forceRemoveCondition"
+					walkDelay, [creatureId = getID(), conditionType, conditionId] { g_game().forceRemoveCondition(creatureId, conditionType, conditionId); }, "Game::forceRemoveCondition"
 				);
 				return;
 			}

src/creatures/interactions/chat.cpp

@@ -81,7 +81,9 @@ bool ChatChannel::addUser(const std::shared_ptr<Player> &player) {
 	if (id == CHANNEL_GUILD) {
 		const auto guild = player->getGuild();
 		if (guild && !guild->getMotd().empty()) {
-			g_dispatcher().scheduleEvent(150, std::bind(&Game::sendGuildMotd, &g_game(), player->getID()), "Game::sendGuildMotd");
+			g_dispatcher().scheduleEvent(
+				150, [playerId = player->getID()] { g_game().sendGuildMotd(playerId); }, "Game::sendGuildMotd"
+			);
 		}
 	}
 

src/creatures/monsters/monster.cpp

@@ -668,7 +668,7 @@ bool Monster::selectTarget(const std::shared_ptr<Creature> &creature) {
 
 	if (isHostile() || isSummon()) {
 		if (setAttackedCreature(creature)) {
-			g_dispatcher().addEvent(std::bind(&Game::checkCreatureAttack, &g_game(), getID()), "Game::checkCreatureAttack");
+			g_dispatcher().addEvent([creatureId = getID()] { g_game().checkCreatureAttack(creatureId); }, "Game::checkCreatureAttack");
 		}
 	}
 	return setFollowCreature(creature);

src/creatures/monsters/spawns/spawn_monster.cpp

@@ -141,7 +141,9 @@ bool SpawnsMonster::isInZone(const Position &centerPos, int32_t radius, const Po
 
 void SpawnMonster::startSpawnMonsterCheck() {
 	if (checkSpawnMonsterEvent == 0) {
-		checkSpawnMonsterEvent = g_dispatcher().scheduleEvent(getInterval(), std::bind(&SpawnMonster::checkSpawnMonster, this), "SpawnMonster::checkSpawnMonster");
+		checkSpawnMonsterEvent = g_dispatcher().scheduleEvent(
+			getInterval(), [this] { checkSpawnMonster(); }, "SpawnMonster::checkSpawnMonster"
+		);
 	}
 }
 
@@ -225,7 +227,7 @@ void SpawnMonster::startup(bool delayed) {
 			continue;
 		}
 		if (delayed) {
-			g_dispatcher().addEvent(std::bind(&SpawnMonster::scheduleSpawn, this, spawnMonsterId, sb, mType, 0, true), "SpawnMonster::startup");
+			g_dispatcher().addEvent([this, spawnMonsterId, &sb, mType] { scheduleSpawn(spawnMonsterId, sb, mType, 0, true); }, "SpawnMonster::startup");
 		} else {
 			scheduleSpawn(spawnMonsterId, sb, mType, 0, true);
 		}
@@ -265,7 +267,9 @@ void SpawnMonster::checkSpawnMonster() {
 	}
 
 	if (spawnedMonsterMap.size() < spawnMonsterMap.size()) {
-		checkSpawnMonsterEvent = g_dispatcher().scheduleEvent(getInterval(), std::bind(&SpawnMonster::checkSpawnMonster, this), "SpawnMonster::checkSpawnMonster");
+		checkSpawnMonsterEvent = g_dispatcher().scheduleEvent(
+			getInterval(), [this] { checkSpawnMonster(); }, "SpawnMonster::checkSpawnMonster"
+		);
 	}
 }
 
@@ -274,7 +278,9 @@ void SpawnMonster::scheduleSpawn(uint32_t spawnMonsterId, spawnBlock_t &sb, cons
 		spawnMonster(spawnMonsterId, sb, mType, startup);
 	} else {
 		g_game().addMagicEffect(sb.pos, CONST_ME_TELEPORT);
-		g_dispatcher().scheduleEvent(NONBLOCKABLE_SPAWN_MONSTER_INTERVAL, std::bind(&SpawnMonster::scheduleSpawn, this, spawnMonsterId, sb, mType, interval - NONBLOCKABLE_SPAWN_MONSTER_INTERVAL, startup), "SpawnMonster::scheduleSpawn");
+		g_dispatcher().scheduleEvent(
+			NONBLOCKABLE_SPAWN_MONSTER_INTERVAL, [=, this, &sb] { scheduleSpawn(spawnMonsterId, sb, mType, interval - NONBLOCKABLE_SPAWN_MONSTER_INTERVAL, startup); }, "SpawnMonster::scheduleSpawn"
+		);
 	}
 }
 

src/creatures/npcs/npc.cpp

@@ -351,7 +351,9 @@ void Npc::onPlayerSellAllLoot(uint32_t playerId, uint16_t itemId, bool ignore, u
 			return;
 		}
 		if (hasMore) {
-			g_dispatcher().scheduleEvent(SCHEDULER_MINTICKS, std::bind(&Npc::onPlayerSellAllLoot, this, player->getID(), itemId, ignore, totalPrice), __FUNCTION__);
+			g_dispatcher().scheduleEvent(
+				SCHEDULER_MINTICKS, [this, playerId = player->getID(), itemId, ignore, totalPrice] { onPlayerSellAllLoot(playerId, itemId, ignore, totalPrice); }, __FUNCTION__
+			);
 			return;
 		}
 		ss << "You sold all of the items from your loot pouch for ";
@@ -366,7 +368,9 @@ void Npc::onPlayerSellItem(std::shared_ptr<Player> player, uint16_t itemId, uint
 		return;
 	}
 	if (itemId == ITEM_GOLD_POUCH) {
-		g_dispatcher().scheduleEvent(SCHEDULER_MINTICKS, std::bind(&Npc::onPlayerSellAllLoot, this, player->getID(), itemId, ignore, 0), __FUNCTION__);
+		g_dispatcher().scheduleEvent(
+			SCHEDULER_MINTICKS, [this, playerId = player->getID(), itemId, ignore] { onPlayerSellAllLoot(playerId, itemId, ignore, 0); }, __FUNCTION__
+		);
 		return;
 	}
 

src/creatures/npcs/spawns/spawn_npc.cpp

@@ -131,7 +131,9 @@ bool SpawnsNpc::isInZone(const Position &centerPos, int32_t radius, const Positi
 
 void SpawnNpc::startSpawnNpcCheck() {
 	if (checkSpawnNpcEvent == 0) {
-		checkSpawnNpcEvent = g_dispatcher().scheduleEvent(getInterval(), std::bind(&SpawnNpc::checkSpawnNpc, this), "SpawnNpc::checkSpawnNpc");
+		checkSpawnNpcEvent = g_dispatcher().scheduleEvent(
+			getInterval(), [this] { checkSpawnNpc(); }, "SpawnNpc::checkSpawnNpc"
+		);
 	}
 }
 
@@ -217,7 +219,9 @@ void SpawnNpc::checkSpawnNpc() {
 	}
 
 	if (spawnedNpcMap.size() < spawnNpcMap.size()) {
-		checkSpawnNpcEvent = g_dispatcher().scheduleEvent(getInterval(), std::bind(&SpawnNpc::checkSpawnNpc, this), __FUNCTION__);
+		checkSpawnNpcEvent = g_dispatcher().scheduleEvent(
+			getInterval(), [this] { checkSpawnNpc(); }, __FUNCTION__
+		);
 	}
 }
 
@@ -226,7 +230,9 @@ void SpawnNpc::scheduleSpawnNpc(uint32_t spawnId, spawnBlockNpc_t &sb, uint16_t
 		spawnNpc(spawnId, sb.npcType, sb.pos, sb.direction);
 	} else {
 		g_game().addMagicEffect(sb.pos, CONST_ME_TELEPORT);
-		g_dispatcher().scheduleEvent(1400, std::bind(&SpawnNpc::scheduleSpawnNpc, this, spawnId, sb, interval - NONBLOCKABLE_SPAWN_NPC_INTERVAL), __FUNCTION__);
+		g_dispatcher().scheduleEvent(
+			1400, [=, this, &sb] { scheduleSpawnNpc(spawnId, sb, interval - NONBLOCKABLE_SPAWN_NPC_INTERVAL); }, __FUNCTION__
+		);
 	}
 }
 

src/creatures/players/player.cpp

@@ -1934,7 +1934,7 @@ void Player::onCreatureMove(const std::shared_ptr<Creature> &creature, const std
 	const auto &followCreature = getFollowCreature();
 	if (hasFollowPath && (creature == followCreature || (creature.get() == this && followCreature))) {
 		isUpdatingPath = false;
-		g_dispatcher().addEvent(std::bind(&Game::updateCreatureWalk, &g_game(), getID()), "Game::updateCreatureWalk");
+		g_dispatcher().addEvent([creatureId = getID()] { g_game().updateCreatureWalk(creatureId); }, "Game::updateCreatureWalk");
 	}
 
 	if (creature != getPlayer()) {
@@ -4245,7 +4245,7 @@ bool Player::updateSaleShopList(std::shared_ptr<Item> item) {
 		return true;
 	}
 
-	g_dispatcher().addEvent(std::bind(&Game::updatePlayerSaleItems, &g_game(), getID()), "updatePlayerSaleItems");
+	g_dispatcher().addEvent([creatureId = getID()] { g_game().updatePlayerSaleItems(creatureId); }, "Game::updatePlayerSaleItems");
 	scheduledSaleUpdate = true;
 	return true;
 }
@@ -4316,7 +4316,7 @@ bool Player::setAttackedCreature(std::shared_ptr<Creature> creature) {
 	}
 
 	if (creature) {
-		g_dispatcher().addEvent(std::bind(&Game::checkCreatureAttack, &g_game(), getID()), "Game::checkCreatureAttack");
+		g_dispatcher().addEvent([creatureId = getID()] { g_game().checkCreatureAttack(creatureId); }, "Game::checkCreatureAttack");
 	}
 	return true;
 }
@@ -4376,7 +4376,11 @@ void Player::doAttacking(uint32_t) {
 			result = Weapon::useFist(static_self_cast<Player>(), attackedCreature);
 		}
 
-		std::shared_ptr<Task> task = createPlayerTask(std::max<uint32_t>(SCHEDULER_MINTICKS, delay), std::bind(&Game::checkCreatureAttack, &g_game(), getID()), "Game::checkCreatureAttack");
+		const auto &task = createPlayerTask(
+			std::max<uint32_t>(SCHEDULER_MINTICKS, delay),
+			[playerId = getID()] { g_game().checkCreatureAttack(playerId); }, "Game::checkCreatureAttack"
+		);
+
 		if (!classicSpeed) {
 			setNextActionTask(task, false);
 		} else {
@@ -7776,7 +7780,7 @@ bool Player::canAutoWalk(const Position &toPosition, const std::function<void()>
 		// Check if can walk to the toPosition and send event to use function
 		stdext::arraylist<Direction> listDir(128);
 		if (getPathTo(toPosition, listDir, 0, 1, true, true)) {
-			g_dispatcher().addEvent(std::bind(&Game::playerAutoWalk, &g_game(), getID(), listDir.data()), __FUNCTION__);
+			g_dispatcher().addEvent([creatureId = getID(), dirs = listDir.data()] { g_game().playerAutoWalk(creatureId, dirs); }, __FUNCTION__);
 
 			std::shared_ptr<Task> task = createPlayerTask(delay, function, __FUNCTION__);
 			setNextWalkActionTask(task);