add shields and tiers on ui

scripts/Player.gd

@@ -16,6 +16,10 @@ var toughness_tier: int = 0
 var has_stick_armor: bool = false
 var has_leather_armor: bool = false
 var has_plate_armor: bool = false
+var has_wooden_shield: bool = false
+var has_iron_shield: bool = false
+var shield_tier: int = 0
+var is_shielding: bool = false
 var kick_timer: float = 0.0
 var invincible_timer: float = 0.0
 var is_alive: bool = true
@@ -81,6 +85,7 @@ func _input(event: InputEvent) -> void:
 func _physics_process(delta: float) -> void:
 	if not is_alive:
 		return
+	is_shielding = shield_tier > 0 and Input.is_key_pressed(KEY_SHIFT)
 	_handle_movement(delta)
 	_handle_kick(delta)
 	_handle_iframes(delta)
@@ -88,6 +93,7 @@ func _physics_process(delta: float) -> void:
 		_do_kick()
 
 func _handle_movement(delta: float) -> void:
+	var effective_speed := move_speed * (0.2 if is_shielding else 1.0)
 	var input_x: float = (
 		float(Input.is_key_pressed(KEY_D) or Input.is_key_pressed(KEY_RIGHT)) -
 		float(Input.is_key_pressed(KEY_A) or Input.is_key_pressed(KEY_LEFT))
@@ -107,15 +113,15 @@ func _handle_movement(delta: float) -> void:
 		var move := cam_fwd * (-input_z) + cam_right * input_x
 		if move.length() > 0.01:
 			move = move.normalized()
-			velocity.x = move.x * move_speed
-			velocity.z = move.z * move_speed
+			velocity.x = move.x * effective_speed
+			velocity.z = move.z * effective_speed
 			last_move_dir = move
 			if not _is_aiming:
 				var target_y: float = atan2(-move.x, -move.z)
 				rotation.y = lerp_angle(rotation.y, target_y, 16.0 * delta)
 	else:
-		velocity.x = move_toward(velocity.x, 0.0, move_speed * 12.0 * delta)
-		velocity.z = move_toward(velocity.z, 0.0, move_speed * 12.0 * delta)
+		velocity.x = move_toward(velocity.x, 0.0, effective_speed * 12.0 * delta)
+		velocity.z = move_toward(velocity.z, 0.0, effective_speed * 12.0 * delta)
 	if _is_aiming:
 		rotation.y = lerp_angle(rotation.y, _aim_yaw, 14.0 * delta)
 		_is_aiming = false
@@ -221,10 +227,14 @@ func receive_kick(direction: Vector3, force: float) -> void:
 	invincible_timer = IFRAMES_DURATION * 0.5
 	_squish_effect()
 
-func take_damage(amount: int) -> void:
+func take_damage(amount: int, attacker_toughness: int = 0) -> void:
 	if not is_alive or invincible_timer > 0.0:
 		return
 	invincible_timer = IFRAMES_DURATION
+	if is_shielding and shield_tier > 0:
+		var diff := shield_tier - attacker_toughness
+		var mod: float = 0.15 if diff >= 2 else (0.30 if diff == 1 else 0.50)
+		amount = int(amount * mod)
 	_squish_effect()
 
 func heal(amount: int) -> void:
@@ -303,3 +313,23 @@ func apply_plate_armor() -> bool:
 	tw.tween_property(player_mat, "albedo_color", Color(0.6, 0.7, 1.0), 0.1)
 	tw.tween_property(player_mat, "albedo_color", BASE_COLOR, 0.5)
 	return true
+
+func apply_wooden_shield() -> bool:
+	if has_wooden_shield:
+		return false
+	has_wooden_shield = true
+	shield_tier = max(shield_tier, 1)
+	var tw := create_tween()
+	tw.tween_property(player_mat, "albedo_color", Color(0.55, 0.38, 0.18), 0.1)
+	tw.tween_property(player_mat, "albedo_color", BASE_COLOR, 0.4)
+	return true
+
+func apply_iron_shield() -> bool:
+	if has_iron_shield:
+		return false
+	has_iron_shield = true
+	shield_tier = max(shield_tier, 2)
+	var tw := create_tween()
+	tw.tween_property(player_mat, "albedo_color", Color(0.55, 0.58, 0.62), 0.1)
+	tw.tween_property(player_mat, "albedo_color", BASE_COLOR, 0.5)
+	return true