Add disarm attack lock tactic

scripts/core/battle_state.gd

@@ -586,6 +586,9 @@ func try_attack_selected(target_id: String) -> bool:
 		return false
 	if attacker.get("acted", false):
 		return false
+	if _unit_has_action_lock(attacker, "attack"):
+		_emit_log("%s cannot attack while disarmed." % attacker["name"])
+		return false
 	if attacker.get("team", "") == target.get("team", ""):
 		return false
 	if not _is_in_attack_range(attacker, target["pos"]):
@@ -696,14 +699,15 @@ func get_damage_preview(attacker_id: String, target_id: String) -> Dictionary:
 	if attacker.get("team", "") == target.get("team", ""):
 		return {}
 
-	var damage := calculate_damage(attacker, target)
+	var attack_locked := _unit_has_action_lock(attacker, "attack")
+	var damage := 0 if attack_locked else calculate_damage(attacker, target)
 	var target_hp_after: int = maxi(0, int(target["hp"]) - damage)
 	var counter_damage := 0
 	var attacker_hp_after := int(attacker["hp"])
-	var hit_chance := calculate_hit_chance(attacker, target)
+	var hit_chance := 0 if attack_locked else calculate_hit_chance(attacker, target)
 	var counter_hit_chance := 0
 	var counter_in_range := false
-	if target_hp_after > 0 or hit_chance < 100:
+	if not attack_locked and (target_hp_after > 0 or hit_chance < 100):
 		counter_in_range = _is_in_attack_range(target, attacker["pos"])
 		if counter_in_range:
 			counter_damage = calculate_damage(target, attacker)
@@ -716,7 +720,8 @@ func get_damage_preview(attacker_id: String, target_id: String) -> Dictionary:
 		"hit_chance": hit_chance,
 		"target_hp_after": target_hp_after,
 		"would_defeat": int(target["hp"]) - damage <= 0,
-		"in_range": _is_in_attack_range(attacker, target["pos"]),
+		"in_range": not attack_locked and _is_in_attack_range(attacker, target["pos"]),
+		"attack_locked": attack_locked,
 		"counter_in_range": counter_in_range,
 		"counter_damage": counter_damage,
 		"counter_hit_chance": counter_hit_chance,
@@ -1065,6 +1070,8 @@ func _action_lock_display_name(action: String) -> String:
 		return "tactics"
 	if action == "move":
 		return "movement"
+	if action == "attack":
+		return "attacks"
 	return "action"
 
 
@@ -1179,6 +1186,8 @@ func get_attack_cells(unit_id: String) -> Array[Vector2i]:
 		return []
 	if unit.get("team", "") == TEAM_PLAYER and not unit.get("deployed", true):
 		return []
+	if _unit_has_action_lock(unit, "attack"):
+		return []
 	return _attack_cells_from(unit, unit["pos"])
 
 
@@ -1692,6 +1701,8 @@ func _attack_cells_from(unit: Dictionary, origin: Vector2i) -> Array[Vector2i]:
 
 
 func _is_in_attack_range(attacker: Dictionary, target_cell: Vector2i) -> bool:
+	if _unit_has_action_lock(attacker, "attack"):
+		return false
 	return _attack_cells_from(attacker, attacker["pos"]).has(target_cell)
 
 
@@ -2262,6 +2273,8 @@ func _unit_action_threat_score(unit: Dictionary, action: String) -> int:
 		if int(unit.get("range", 1)) <= 1:
 			move_score += 10
 		return move_score
+	if action == "attack":
+		return _effective_stat(unit, "atk") * 4 + int(unit.get("range", 1)) * 4
 	return 0