Ball selector

assets/ui/ball_icons/basic_icon.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://tancoet1lih5"
+path="res://.godot/imported/basic_icon.png-bc904292cc126e1d3e1fd0eb1ba5acc2.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/ui/ball_icons/basic_icon.png"
+dest_files=["res://.godot/imported/basic_icon.png-bc904292cc126e1d3e1fd0eb1ba5acc2.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

project.godot

@@ -182,6 +182,16 @@ pause={
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194305,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
 ]
 }
+ball_next={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194306,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+]
+}
+ball_previous={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":true,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194306,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+]
+}
 
 [layer_names]
 

src/equipment/balls/physics_ball/game_ball.gd

@@ -1,8 +1,16 @@
 class_name GameBall extends RigidBody3D
 ## Base class for all gfolf balls
 
+## Fired as soon as this ball enters a water hazard
 signal entered_water
 
+## Types of game balls
+enum Type {
+	NONE,
+	BASIC,
+	PLASMA,
+}
+
 const TERRAIN_DAMPING_EPSILON := 1e-6
 const IRON_DAMPING := 9999.0
 
@@ -89,6 +97,7 @@ func get_reoriented_basis() -> Basis:
 
 
 func _on_sleeping_state_changed() -> void:
+	print("SLEEPING STATE: ", sleeping)
 	if sleeping:
 		# Trigger to reassign on wake
 		_awake = false

src/equipment/balls/plasma_ball/plasma_ball.gd

@@ -8,9 +8,9 @@ func _on_body_entered(_body: Node) -> void:
 	print_debug("Plasma ball stuck to ", _body)
 	# Freeze physics as soon as we hit something
 	freeze = true
-	sleeping = true
 	manual_sleep_timer.start()
 
 
 func _fire_sleep_signal() -> void:
+	sleeping = true
 	sleeping_state_changed.emit()

src/player/debug_player.tres

@@ -8,9 +8,14 @@
 
 [resource]
 script = ExtResource("4_8ybyj")
-name = "DEBUG Gfolfer"
 life = 100.0
+name = "DEBUG Gfolfer"
+color = Color(1, 0.439216, 0.439216, 1)
 driver = ExtResource("1_sn8fd")
 iron = ExtResource("2_piku2")
 wedge = ExtResource("5_wm4ae")
 putter = ExtResource("3_tytwr")
+_balls = {
+1: -1,
+2: 5
+}

src/player/shot_setup/ball_point.gd

@@ -0,0 +1,42 @@
+class_name BallPoint extends Node3D
+## Ball spawn point & origin. I.E. the "tee".
+
+## Emitted when a new ball is placed.
+signal ball_changed(ball: GameBall)
+
+## Scenes for each type of ball.
+const SCENE_MAP: Dictionary = {
+	GameBall.Type.BASIC: preload("res://src/equipment/balls/physics_ball/physics_ball.tscn"),
+	GameBall.Type.PLASMA: preload("res://src/equipment/balls/plasma_ball/plasma_ball.tscn"),
+}
+
+@export var ball: GameBall:
+	set(value):
+		ball = value
+		ball_changed.emit(ball)
+
+
+## Get a new instance of a ball of the given type.
+## Returns null if the type can't be instantiated (e.g. NONE type)
+func get_instance(type: GameBall.Type) -> GameBall:
+	if type in SCENE_MAP:
+		var scene: PackedScene = SCENE_MAP.get(type)
+		return scene.instantiate() as GameBall
+	return null
+
+
+## Clear any existing ball, instantiate a new one of the given type, and place it at the ball point.
+func spawn_ball(type: GameBall.Type) -> void:
+	# Clear existing ball
+	if is_instance_valid(ball):
+		ball.queue_free()
+
+	ball = get_instance(type)
+	if is_instance_valid(ball):
+		add_child(ball)
+		snap()
+
+
+## Snap the ball back to the ball point.
+func snap() -> void:
+	ball.global_transform = global_transform

src/player/shot_setup/hitbox.gd

@@ -3,13 +3,12 @@ extends Area3D
 
 signal ball_collision(ball: GameBall)
 
-@export var ignored_balls: Array[GameBall] = []
-
 @onready var shot_setup: ShotSetup = $".."
 
 
 func _on_ball_entered(ball: GameBall) -> void:
-	if not ball in ignored_balls:
+	# TODO generalize this in the future if we have multiple players on teams
+	if ball != shot_setup.game_ball:
 		ball_collision.emit(ball)
 
 

src/player/shot_setup/shot_setup.gd

@@ -41,6 +41,9 @@ const WATER_DAMAGE := 10.0
 ## Initially-selected club
 @export var initial_club: Club.Type = Club.Type.DRIVER
 
+## Initially-selected ball type
+@export var initial_ball: GameBall.Type = GameBall.Type.BASIC
+
 @export_category("Shot Parameters")
 @export var base_power := 2.5
 @export var base_curve := 0.0
@@ -86,6 +89,13 @@ var club: Club.Type:
 			_on_club_change(value)
 		club = value
 
+var ball_type: GameBall.Type:
+	set(value):
+		if value != ball_type:
+			hud.ball_selector.value = value
+			ball_point.spawn_ball(value)
+		ball_type = value
+
 var shot_ref: Node3D
 
 var shot_power: float:
@@ -100,6 +110,10 @@ var shot_curve: float:
 	get:
 		return hud.power_bar.value
 
+var game_ball: GameBall:
+	get:
+		return ball_point.ball
+
 var _free_camera: FreeCamera
 var _returning_free_camera := false
 var _restart_queued := false
@@ -123,9 +137,7 @@ var _tracking_camera: OrbitalCamera
 @onready var arrow_animation: AnimationPlayer = %ArrowAnimation
 @onready var shot_projection: ProjectileArc = %ShotProjection
 
-@onready var ball_point: Node3D = %BallPoint
+@onready var ball_point: BallPoint = %BallPoint
-# @onready var game_ball: GameBall = %PhysicsBall
-@onready var game_ball: GameBall = %PlasmaBall
 
 @onready var drive_ref: RayCast3D = %DriveRef
 @onready var drive_arrow: Node3D = %DriveArrow
@@ -138,8 +150,6 @@ var _tracking_camera: OrbitalCamera
 
 @onready var ball_return_timer: Timer = %BallReturnTimer
 
-@onready var ball_impulse_debug: Node3D = %BallImpulseDebug
-
 @onready var camera_distance := zoom.position.z:
 	set = _set_camera_distance
 
@@ -155,6 +165,7 @@ func _ready() -> void:
 	# Create & set up HUD
 	hud = ShotHUD.create(player)
 	world.ui.add_player_hud(hud)
+	ball_type = initial_ball
 	club = initial_club
 
 
@@ -223,16 +234,20 @@ func take_shot() -> void:
 	var impulse := get_shot_impulse(shot_power)
 	print_debug("Shot impulse: ", impulse, "; ", impulse.length(), " N*s")
 
-	ball_impulse_debug.transform = (
+	if game_ball:
-		Transform3D.IDENTITY.scaled(Vector3.ONE * impulse.length()).looking_at(impulse)
-	)
-
 		game_ball.freeze = false
 		game_ball.apply_central_impulse(impulse)
 
+	# Use a ball if a limited type is selected
+	if player.get_balls(ball_type) > 0:
+		player.mutate_balls(ball_type, -1)
+
 
 ## Make the shot projection widget visible, with animated transition
 func _show_shot_projection() -> void:
+	if not game_ball:
+		return
+
 	shot_projection.initial_speed = 1
 	shot_projection.basis = shot_ref.basis.orthonormalized()
 	var shot_speed := get_shot_impulse(1.0).length() / game_ball.mass
@@ -272,6 +287,9 @@ func return_free_cam() -> void:
 
 
 func return_ball() -> void:
+	if not game_ball:
+		return
+
 	game_ball.freeze = true
 	var tween := get_tree().create_tween()
 	(
@@ -288,6 +306,9 @@ func return_ball() -> void:
 
 
 func travel_to_ball() -> void:
+	if not game_ball:
+		return
+
 	game_ball.freeze = true
 	global_position = game_ball.global_position
 
@@ -296,12 +317,14 @@ func travel_to_ball() -> void:
 	direction.rotation.y = 0
 	_target_rotation.y = 0
 	global_basis = game_ball.get_reoriented_basis()
-	print_debug("REORIENTED BASIS: ", global_basis)
 
-	game_ball.global_transform = ball_point.global_transform
+	ball_point.snap()
 
 
 func start_shot_track() -> void:
+	if not game_ball:
+		return
+
 	if phase == Phase.SHOT:
 		_tracking_camera = OrbitalCamera.create(game_ball)
 		_tracking_camera.rotation.y = randf_range(0.0, TAU)
@@ -331,6 +354,7 @@ func _on_club_change(new_club_type: Club.Type) -> void:
 	wedge_arrow.hide()
 	iron_arrow.hide()
 	putt_arrow.hide()
+	if game_ball:
 		game_ball.iron_ball = false
 	hud.club_selector.value = new_club_type
 	# TODO club change animation
@@ -348,6 +372,7 @@ func _on_club_change(new_club_type: Club.Type) -> void:
 		Club.Type.IRON:
 			shot_ref = iron_ref
 			iron_arrow.show()
+			if game_ball:
 				game_ball.iron_ball = true
 		Club.Type.SPECIAL:
 			# TODO figure this out
@@ -358,7 +383,6 @@ func _on_club_change(new_club_type: Club.Type) -> void:
 
 ## Called immediately before `phase` is mutated.
 func _on_phase_change(new_phase: Phase) -> void:
-	print_debug("Player ", player.name, ": change to ", Phase.keys()[new_phase])
 	match new_phase:
 		Phase.AIM:
 			hud.show_hud()
@@ -400,7 +424,18 @@ func _on_phase_change(new_phase: Phase) -> void:
 			finished.emit(self)
 
 
+func _on_game_ball_changed(ball: GameBall) -> void:
+	if ball:
+		ball.iron_ball = (club == Club.Type.IRON)
+		ball.entered_water.connect(_on_ball_entered_water)
+		ball.sleeping_state_changed.connect(_on_ball_sleeping_state_changed)
+
+
 func _process(delta: float) -> void:
+	# REMOVEME
+	if Input.is_action_just_pressed("ui_menu"):
+		print("Debugging...")
+
 	## Visual updates
 	# Rotation
 	direction.rotation.y = lerp_angle(
@@ -456,6 +491,12 @@ func _process(delta: float) -> void:
 			if Input.is_action_just_pressed("select_putter"):
 				club = Club.Type.PUTTER
 
+			# Ball select
+			if Input.is_action_just_pressed("ball_next"):
+				ball_type = player.next_ball(ball_type)
+			if Input.is_action_just_pressed("ball_previous"):
+				ball_type = player.prev_ball(ball_type)
+
 			# Switch to free cam
 			if (
 				Input.is_action_just_pressed("camera_back")
@@ -467,7 +508,10 @@ func _process(delta: float) -> void:
 
 			# Advance to next phase
 			if Input.is_action_just_pressed("shot_accept"):
+				if player.get_balls(ball_type) != 0:
+					# Check that player has enough of the selected ball (<0 means unlimited)
 					phase = Phase.POWER_ADJUST
+				# TODO play UI bonk if player doesn't have balls (lmao)
 		Phase.POWER_ADJUST:
 			if Input.is_action_just_pressed("shot_accept"):
 				# TODO set power gauge parameters if needed

src/player/shot_setup/shot_setup.tscn

@@ -1,22 +1,13 @@
-[gd_scene load_steps=19 format=3 uid="uid://cy7t2tc4y3b4"]
+[gd_scene load_steps=17 format=3 uid="uid://cy7t2tc4y3b4"]
 
 [ext_resource type="Script" path="res://src/player/shot_setup/shot_setup.gd" id="1_r6ei4"]
+[ext_resource type="Script" path="res://src/player/shot_setup/ball_point.gd" id="2_e6i3g"]
 [ext_resource type="PackedScene" uid="uid://c2k88ns0h5ie1" path="res://src/ui/3d/arrow/arrow.tscn" id="2_s70wl"]
-[ext_resource type="PackedScene" uid="uid://dcqxlbsrubapk" path="res://src/equipment/balls/plasma_ball/plasma_ball.tscn" id="3_8dte7"]
 [ext_resource type="PackedScene" uid="uid://1s3gywmoi20e" path="res://src/characters/player_characters/gfolf_girl/gfolf_girl.tscn" id="3_e4aur"]
 [ext_resource type="PackedScene" uid="uid://fht6j87o8ecr" path="res://src/ui/3d/projectile_arc/projectile_arc.tscn" id="4_ry2ho"]
 [ext_resource type="PackedScene" uid="uid://dbdul15c4oblg" path="res://src/ui/3d/projected_target.tscn" id="6_mynqj"]
 [ext_resource type="Script" path="res://src/player/shot_setup/hitbox.gd" id="7_uh8kn"]
 
-[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_lnol1"]
-albedo_color = Color(0, 0.537255, 1, 1)
-
-[sub_resource type="CylinderMesh" id="CylinderMesh_ql2ui"]
-material = SubResource("StandardMaterial3D_lnol1")
-top_radius = 0.02
-bottom_radius = 0.02
-height = 1.0
-
 [sub_resource type="Animation" id="Animation_ug2a7"]
 length = 0.001
 tracks/0/type = "value"
@@ -213,18 +204,7 @@ script = ExtResource("1_r6ei4")
 [node name="BallPoint" type="Node3D" parent="."]
 unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.08, 0)
-
+script = ExtResource("2_e6i3g")
-[node name="PlasmaBall" parent="BallPoint" instance=ExtResource("3_8dte7")]
-unique_name_in_owner = true
-
-[node name="BallImpulseDebug" type="Node3D" parent="BallPoint"]
-unique_name_in_owner = true
-visible = false
-
-[node name="MeshInstance3D" type="MeshInstance3D" parent="BallPoint/BallImpulseDebug"]
-transform = Transform3D(1, 0, 0, 0, -4.37114e-08, -1, 0, 1, -4.37114e-08, 0, 0, -0.5)
-mesh = SubResource("CylinderMesh_ql2ui")
-skeleton = NodePath("../..")
 
 [node name="PlayerPivot" type="Node3D" parent="."]
 unique_name_in_owner = true
@@ -343,14 +323,13 @@ visible = false
 transform = Transform3D(0.2, 0, 0, 0, -1.74846e-08, 0.2, 0, -0.4, -8.74228e-09, 0, 0, -1)
 loop_animation = 1
 
-[node name="ShotProjection" parent="ArrowPivot" node_paths=PackedStringArray("excluded_bodies") instance=ExtResource("4_ry2ho")]
+[node name="ShotProjection" parent="ArrowPivot" instance=ExtResource("4_ry2ho")]
 unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, 0.707107, -0.707107, 0, 0.707107, 0.707107, 0, -0.02, 0)
 visible = false
 initial_speed = 50.0
 time_step = 0.01
 max_steps = 800
-excluded_bodies = [NodePath("../../BallPoint/PlasmaBall")]
 
 [node name="ProjectedTarget" parent="ArrowPivot/ShotProjection" instance=ExtResource("6_mynqj")]
 
@@ -365,15 +344,13 @@ libraries = {
 unique_name_in_owner = true
 one_shot = true
 
-[node name="Hitbox" type="Area3D" parent="." node_paths=PackedStringArray("ignored_balls")]
+[node name="Hitbox" type="Area3D" parent="."]
 script = ExtResource("7_uh8kn")
-ignored_balls = [NodePath("../BallPoint/PlasmaBall")]
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="Hitbox"]
 shape = SubResource("SphereShape3D_xvvdi")
 
-[connection signal="entered_water" from="BallPoint/PlasmaBall" to="." method="_on_ball_entered_water"]
+[connection signal="ball_changed" from="BallPoint" to="." method="_on_game_ball_changed"]
-[connection signal="sleeping_state_changed" from="BallPoint/PlasmaBall" to="." method="_on_ball_sleeping_state_changed"]
 [connection signal="timeout" from="BallReturnTimer" to="." method="_on_ball_return_timer_timeout"]
 [connection signal="ball_collision" from="Hitbox" to="." method="_on_hitbox_ball_collision"]
 [connection signal="body_entered" from="Hitbox" to="Hitbox" method="_on_body_entered"]

src/player/world_player.gd

@@ -2,6 +2,7 @@ class_name WorldPlayer extends Resource
 ## Container for the state of the player within the world.
 
 signal on_life_changed(new_value: float)
+signal on_balls_changed(type: GameBall.Type, new_value: int)
 
 @export_range(0, 100) var life: float = 100.0:
 	set(value):
@@ -21,6 +22,13 @@ signal on_life_changed(new_value: float)
 @export var putter: Club
 @export var special: Club
 
+## Count of each type of ball the player possesses.
+## A count of less than zero indicates unlimited quantity.
+@export var _balls := {
+	GameBall.Type.BASIC: -1,
+	GameBall.Type.PLASMA: -1,
+}
+
 # TODO balls, pickups, etc
 
 var shot_setup: ShotSetup:
@@ -48,6 +56,39 @@ func get_club(type: Club.Type) -> Club:
 	return null
 
 
+## Get the quantity of a ball type
+func get_balls(type: GameBall.Type) -> int:
+	return _balls.get(type, 0)
+
+
+## Set the quantity of a ball type
+func set_balls(type: GameBall.Type, value: int) -> void:
+	_balls[type] = value
+	on_balls_changed.emit(type, value)
+
+
+## Change the quantity of a ball type
+func mutate_balls(type: GameBall.Type, delta: int) -> void:
+	_balls[type] = _balls.get(type, 0) + delta
+	on_balls_changed.emit(type, _balls[type])
+
+
+## Get next slotted ball type
+func next_ball(type: GameBall.Type) -> GameBall.Type:
+	var keys := _balls.keys()
+	var i := keys.find(type)
+	var j := (i + 1) % len(keys) if i >= 0 else 0
+	return keys[j]
+
+
+## Get previous slotted ball type
+func prev_ball(type: GameBall.Type) -> GameBall.Type:
+	var keys := _balls.keys()
+	var i := keys.find(type)
+	var j := (i - 1) % len(keys) if i >= 0 else 0
+	return keys[j]
+
+
 ## Create a debug player instance
 static func create_debug() -> WorldPlayer:
 	var instance := WorldPlayer.new()

src/ui/main_theme.tres

@@ -28,6 +28,11 @@ PauseMenuButton/colors/font_outline_color = Color(0, 0, 0, 1)
 PauseMenuButton/constants/outline_size = 6
 PauseMenuButton/font_sizes/font_size = 32
 PauseMenuButton/fonts/font = ExtResource("2_5ty6u")
+QuantityLabel/base_type = &"Label"
+QuantityLabel/colors/font_color = Color(0.819608, 0.196078, 0.196078, 1)
+QuantityLabel/colors/font_outline_color = Color(1, 0.901961, 0.509804, 1)
+QuantityLabel/constants/outline_size = 6
+QuantityLabel/font_sizes/font_size = 22
 ShotFeedback/base_type = &"RichTextLabel"
 ShotFeedback/colors/font_shadow_color = Color(0, 0, 0, 1)
 ShotFeedback/constants/shadow_offset_x = 6

src/ui/shot_hud/ball_selector/ball_icon.gd

@@ -0,0 +1,51 @@
+@tool
+class_name BallIcon extends Control
+## HUD icon for a ball type
+
+const BASE_MODULATE := Color.WHITE
+const EMPTY_MODULATE := Color.DIM_GRAY
+
+@export var text: String:
+	set(value):
+		text = value
+		if ball_label:
+			ball_label.text = value
+
+@export var quantity: int:
+	set = _set_quantity
+@export var empty: bool:
+	set(value):
+		if value:
+			quantity = 0
+		elif not quantity:
+			quantity = 1
+	get:
+		return quantity == 0
+@export var unlimited: bool:
+	set(value):
+		quantity = -1 if value else 0
+	get:
+		return quantity < 0
+
+@onready var ball_label: Label = %BallLabel
+@onready var quantity_container: HBoxContainer = %QuantityContainer
+@onready var quantity_label: Label = %QuantityLabel
+
+
+func _ready() -> void:
+	text = text
+	quantity = quantity
+
+
+func _set_quantity(value: int) -> void:
+	# TODO play effect on gain/loss
+	quantity = value
+	if not quantity_label:
+		return
+	quantity_label.text = str(quantity)
+
+	# Quantity is not visible if we're empty or unlimited
+	quantity_container.visible = quantity > 0
+
+	# Grey out when empty
+	ball_label.modulate = EMPTY_MODULATE if quantity == 0 else BASE_MODULATE

src/ui/shot_hud/ball_selector/ball_icon.tscn

@@ -0,0 +1,68 @@
+[gd_scene load_steps=3 format=3 uid="uid://cc8a55ly7ybhy"]
+
+[ext_resource type="Script" path="res://src/ui/shot_hud/ball_selector/ball_icon.gd" id="1_p0p8j"]
+[ext_resource type="FontFile" uid="uid://b6gxwgomstkgu" path="res://assets/fonts/Geo/Geo-Italic.ttf" id="2_bu42i"]
+
+[node name="BallIcon" type="Control"]
+custom_minimum_size = Vector2(0, 27)
+layout_mode = 3
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+grow_horizontal = 2
+grow_vertical = 2
+size_flags_horizontal = 4
+script = ExtResource("1_p0p8j")
+quantity = -1
+unlimited = true
+
+[node name="BallLabel" type="Label" parent="."]
+unique_name_in_owner = true
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -46.5
+offset_top = -13.5
+offset_right = 46.5
+offset_bottom = 13.5
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_constants/outline_size = 10
+theme_override_fonts/font = ExtResource("2_bu42i")
+theme_override_font_sizes/font_size = 25
+horizontal_alignment = 2
+
+[node name="QuantityContainer" type="HBoxContainer" parent="BallLabel"]
+unique_name_in_owner = true
+visible = false
+layout_mode = 1
+anchors_preset = -1
+anchor_left = 1.0
+anchor_top = 0.8
+anchor_right = 1.0
+anchor_bottom = 0.8
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_constants/separation = 0
+
+[node name="Label" type="Label" parent="BallLabel/QuantityContainer"]
+layout_mode = 2
+size_flags_horizontal = 8
+size_flags_vertical = 8
+theme_type_variation = &"QuantityLabel"
+theme_override_font_sizes/font_size = 22
+text = "×"
+
+[node name="QuantityLabel" type="Label" parent="BallLabel/QuantityContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_horizontal = 8
+size_flags_vertical = 8
+theme_type_variation = &"QuantityLabel"
+theme_override_font_sizes/font_size = 22
+text = "-1"

src/ui/shot_hud/ball_selector/ball_selector.gd

@@ -0,0 +1,54 @@
+@tool
+class_name BallSelector extends Control
+
+const TWEEN_TIME := 0.2
+
+const Y_OFFSET := {
+	GameBall.Type.NONE: 50,
+	GameBall.Type.BASIC: 18,
+	GameBall.Type.PLASMA: -14,
+}
+
+@export var value: GameBall.Type:
+	set = _set_value
+
+@onready var ball_list: VBoxContainer = %BallList
+@onready var basic_icon: BallIcon = %BasicIcon
+@onready var plasma_icon: BallIcon = %PlasmaIcon
+
+
+func _ready() -> void:
+	value = value
+
+
+## Set ball quantities based on player's state
+func set_state_for_player(player: WorldPlayer) -> void:
+	basic_icon.quantity = player.get_balls(GameBall.Type.BASIC)
+	plasma_icon.quantity = player.get_balls(GameBall.Type.PLASMA)
+	if player.shot_setup:
+		value = player.shot_setup.ball_type
+	player.on_balls_changed.connect(_set_quantity)
+
+
+func _get_icon(type: GameBall.Type) -> BallIcon:
+	match type:
+		GameBall.Type.BASIC:
+			return basic_icon
+		GameBall.Type.PLASMA:
+			return plasma_icon
+	return null
+
+
+func _set_value(new_value: GameBall.Type) -> void:
+	if not ball_list:
+		return
+
+	var tween := get_tree().create_tween()
+	tween.tween_property(ball_list, "position:y", Y_OFFSET[new_value], TWEEN_TIME).set_trans(
+		Tween.TRANS_EXPO
+	)
+	value = new_value
+
+
+func _set_quantity(type: GameBall.Type, new_value: int) -> void:
+	_get_icon(type).quantity = new_value

src/ui/shot_hud/ball_selector/ball_selector.tscn

@@ -0,0 +1,66 @@
+[gd_scene load_steps=5 format=3 uid="uid://b0yr0w0xv8cm5"]
+
+[ext_resource type="PackedScene" uid="uid://cc8a55ly7ybhy" path="res://src/ui/shot_hud/ball_selector/ball_icon.tscn" id="1_1v8xg"]
+[ext_resource type="Script" path="res://src/ui/shot_hud/ball_selector/ball_selector.gd" id="1_b7gkp"]
+
+[sub_resource type="Gradient" id="Gradient_3vqut"]
+interpolation_mode = 2
+offsets = PackedFloat32Array(0, 0.382, 0.618, 1)
+colors = PackedColorArray(0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0)
+
+[sub_resource type="GradientTexture2D" id="GradientTexture2D_tm61r"]
+gradient = SubResource("Gradient_3vqut")
+fill_to = Vector2(0, 1)
+metadata/_snap_enabled = true
+
+[node name="BallSelector" type="Control"]
+custom_minimum_size = Vector2(120, 27)
+layout_mode = 3
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -60.0
+offset_top = -13.5
+offset_right = 60.0
+offset_bottom = 13.5
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_b7gkp")
+
+[node name="GradientMask" type="TextureRect" parent="."]
+clip_children = 1
+custom_minimum_size = Vector2(120, 32)
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+texture = SubResource("GradientTexture2D_tm61r")
+
+[node name="BallList" type="VBoxContainer" parent="GradientMask"]
+unique_name_in_owner = true
+custom_minimum_size = Vector2(120, 0)
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_top = 50.0
+offset_bottom = 50.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_constants/separation = 5
+
+[node name="BasicIcon" parent="GradientMask/BallList" instance=ExtResource("1_1v8xg")]
+unique_name_in_owner = true
+custom_minimum_size = Vector2(120, 27)
+layout_mode = 2
+text = "BASIC"
+
+[node name="PlasmaIcon" parent="GradientMask/BallList" instance=ExtResource("1_1v8xg")]
+unique_name_in_owner = true
+custom_minimum_size = Vector2(120, 27)
+layout_mode = 2
+text = "PLASMA"

src/ui/shot_hud/shot_hud.gd

@@ -13,6 +13,7 @@ var player: WorldPlayer
 @onready var life_bar: TextureProgressBar = %LifeBar
 
 @onready var club_selector: ClubSelector = %ClubSelector
+@onready var ball_selector: BallSelector = %BallSelector
 
 @onready var _curve_animation: AnimationPlayer = %CurveAnimation
 @onready var _power_animation: AnimationPlayer = %PowerAnimation
@@ -32,6 +33,7 @@ static var scene: PackedScene = preload("res://src/ui/shot_hud/shot_hud.tscn")
 
 func _ready() -> void:
 	club_selector.set_state_for_player(player)
+	ball_selector.set_state_for_player(player)
 	_player_name.text = player.name
 	life_bar.value = player.life
 	life_bar.tint_progress = player.color

src/ui/shot_hud/shot_hud.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=32 format=3 uid="uid://c4ifdiohng830"]
+[gd_scene load_steps=34 format=3 uid="uid://c4ifdiohng830"]
 
 [ext_resource type="Script" path="res://src/ui/shot_hud/shot_hud.gd" id="1_x5b4c"]
 [ext_resource type="Shader" path="res://src/shaders/canvas_retro.gdshader" id="1_ybxxp"]
@@ -7,7 +7,9 @@
 [ext_resource type="Texture2D" uid="uid://b5812y3pmmgg5" path="res://assets/ui/gauge_patch.png" id="4_5kcpe"]
 [ext_resource type="Texture2D" uid="uid://76fjx2ukavqe" path="res://assets/ui/power_gauge_fill.png" id="5_3i1yq"]
 [ext_resource type="Texture2D" uid="uid://4a8tvjgwegv3" path="res://assets/ui/power_gauge_tab.png" id="6_sw48q"]
+[ext_resource type="PackedScene" uid="uid://b0yr0w0xv8cm5" path="res://src/ui/shot_hud/ball_selector/ball_selector.tscn" id="8_b2302"]
 [ext_resource type="FontFile" uid="uid://dsa0oh7c0h4pu" path="res://assets/fonts/Racing_Sans_One/RacingSansOne-Regular.ttf" id="8_bejx4"]
+[ext_resource type="Texture2D" uid="uid://tancoet1lih5" path="res://assets/ui/ball_icons/basic_icon.png" id="8_tt8i3"]
 [ext_resource type="PackedScene" uid="uid://dmciuk3pbjsae" path="res://src/ui/shot_hud/life_bar/life_bar.tscn" id="9_w1fiw"]
 
 [sub_resource type="Animation" id="Animation_3xds6"]
@@ -490,35 +492,6 @@ tracks/1/keys = {
 "values": [false]
 }
 
-[sub_resource type="Animation" id="Animation_nicro"]
-resource_name = "show_life_bar"
-length = 0.4
-step = 0.02
-tracks/0/type = "value"
-tracks/0/imported = false
-tracks/0/enabled = true
-tracks/0/path = NodePath("SouthWest:position")
-tracks/0/interp = 2
-tracks/0/loop_wrap = true
-tracks/0/keys = {
-"times": PackedFloat32Array(0, 0.34, 0.4),
-"transitions": PackedFloat32Array(1.618, 1.618, 1),
-"update": 0,
-"values": [Vector2(0, 1100), Vector2(0, 960), Vector2(0, 982)]
-}
-tracks/1/type = "value"
-tracks/1/imported = false
-tracks/1/enabled = true
-tracks/1/path = NodePath("SouthWest:visible")
-tracks/1/interp = 1
-tracks/1/loop_wrap = true
-tracks/1/keys = {
-"times": PackedFloat32Array(0),
-"transitions": PackedFloat32Array(1),
-"update": 1,
-"values": [true]
-}
-
 [sub_resource type="Animation" id="Animation_jugqx"]
 resource_name = "peek"
 length = 2.4
@@ -548,6 +521,35 @@ tracks/1/keys = {
 "values": [true, false]
 }
 
+[sub_resource type="Animation" id="Animation_nicro"]
+resource_name = "show_life_bar"
+length = 0.4
+step = 0.02
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("SouthWest:position")
+tracks/0/interp = 2
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 0.34, 0.4),
+"transitions": PackedFloat32Array(1.618, 1.618, 1),
+"update": 0,
+"values": [Vector2(0, 1100), Vector2(0, 960), Vector2(0, 982)]
+}
+tracks/1/type = "value"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath("SouthWest:visible")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [true]
+}
+
 [sub_resource type="AnimationLibrary" id="AnimationLibrary_c3i4w"]
 _data = {
 "RESET": SubResource("Animation_3cn2c"),
@@ -756,15 +758,30 @@ libraries = {
 "": SubResource("AnimationLibrary_5nauw")
 }
 
+[node name="TextureRect" type="TextureRect" parent="ClubSelector"]
+texture_filter = 1
+layout_mode = 0
+offset_right = 128.0
+offset_bottom = 128.0
+texture = ExtResource("8_tt8i3")
+
+[node name="BallSelector" parent="ClubSelector/TextureRect" instance=ExtResource("8_b2302")]
+unique_name_in_owner = true
+layout_mode = 1
+anchors_preset = -1
+anchor_left = 0.7
+anchor_right = 0.7
+offset_right = 108.0
+grow_horizontal = 1
+
 [node name="SouthWest" type="MarginContainer" parent="."]
 layout_mode = 1
 anchors_preset = -1
 anchor_top = 1.0
 anchor_right = 0.333
 anchor_bottom = 1.0
-offset_top = 20.0
+offset_top = -98.0
 offset_right = 40.0
-offset_bottom = 118.0
 grow_vertical = 0
 theme_override_constants/margin_left = 16
 theme_override_constants/margin_bottom = 16