sword holster, health

hud.gd

@@ -20,6 +20,8 @@ var _toggle_btn: Button
 var _spawner: Node
 var _player: Node = null
 var _cd_overlays: Array[ColorRect] = []
+var _health_segments: Array[ColorRect] = []
+var _health_connected: bool = false
 
 
 func _ready() -> void:
@@ -27,6 +29,7 @@ func _ready() -> void:
 	process_mode = Node.PROCESS_MODE_ALWAYS
 	_build_controls_panel()
 	_build_ability_bar()
+	_build_health_bar()
 	_find_spawner.call_deferred()
 
 
@@ -36,6 +39,10 @@ func _process(_delta: float) -> void:
 		if not players.is_empty():
 			_player = players[0]
 		return
+	if not _health_connected:
+		_health_connected = true
+		_player.health_changed.connect(_on_health_changed)
+		_on_health_changed(_player.health)
 	for i: int in _cd_overlays.size():
 		var fraction: float = _player.call(&"ability_cooldown_fraction", i)
 		var ov := _cd_overlays[i]
@@ -68,6 +75,57 @@ func _on_reset_pressed() -> void:
 		_spawner.reset_spawn()
 
 
+func _build_health_bar() -> void:
+	var bar := HBoxContainer.new()
+	bar.add_theme_constant_override("separation", 4)
+	bar.anchor_left    = 0.5
+	bar.anchor_right   = 0.5
+	bar.anchor_top     = 0.0
+	bar.anchor_bottom  = 0.0
+	bar.grow_horizontal = Control.GROW_DIRECTION_BOTH
+	bar.offset_left    = -90.0
+	bar.offset_top     = 16.0
+	bar.offset_bottom  = 16.0
+	add_child(bar)
+
+	var bg_style := StyleBoxFlat.new()
+	bg_style.bg_color                   = _BG
+	bg_style.corner_radius_top_left     = 4
+	bg_style.corner_radius_top_right    = 4
+	bg_style.corner_radius_bottom_left  = 4
+	bg_style.corner_radius_bottom_right = 4
+	bg_style.border_width_left          = 1
+	bg_style.border_width_right         = 1
+	bg_style.border_width_top           = 1
+	bg_style.border_width_bottom        = 1
+	bg_style.border_color               = _BORDER
+	bg_style.content_margin_left        = 6.0
+	bg_style.content_margin_right       = 6.0
+	bg_style.content_margin_top         = 6.0
+	bg_style.content_margin_bottom      = 6.0
+
+	var panel := PanelContainer.new()
+	panel.add_theme_stylebox_override("panel", bg_style)
+	bar.add_child(panel)
+
+	var inner := HBoxContainer.new()
+	inner.add_theme_constant_override("separation", 3)
+	panel.add_child(inner)
+
+	for i: int in 10:
+		var seg := ColorRect.new()
+		seg.custom_minimum_size = Vector2(14.0, 14.0)
+		seg.color = Color(0.72, 0.08, 0.08)
+		inner.add_child(seg)
+		_health_segments.append(seg)
+
+
+func _on_health_changed(new_health: int) -> void:
+	for i: int in _health_segments.size():
+		_health_segments[i].color = Color(0.72, 0.08, 0.08) if i < new_health \
+			else Color(0.20, 0.10, 0.10)
+
+
 func _build_ability_bar() -> void:
 	var bar := HBoxContainer.new()
 	bar.add_theme_constant_override("separation", 10)