From b8728de3a0b7a92b9bfe0b821c9870f3d2135d19 Mon Sep 17 00:00:00 2001
From: Squinternator <ufinii@gmail.com>
Date: Tue, 9 Apr 2024 21:36:43 +0000
Subject: [PATCH] Display Health Bar on player HUD

---
 characters/player/player.tscn  |  1 +
 components/health_component.gd |  6 +++++-
 interfaces/hud/hud.tscn        | 29 ++++++++++++++++++++++++-----
 3 files changed, 30 insertions(+), 6 deletions(-)

diff --git a/characters/player/player.tscn b/characters/player/player.tscn
index f01f6ec..8a70b27 100644
--- a/characters/player/player.tscn
+++ b/characters/player/player.tscn
@@ -150,4 +150,5 @@ root_path = NodePath(".")
 replication_config = SubResource("SceneReplicationConfig_5j4ew")
 script = SubResource("GDScript_uy24w")
 
+[connection signal="health_changed" from="HealthComponent" to="HUD" method="_on_health_changed"]
 [connection signal="health_zeroed" from="HealthComponent" to="." method="die"]
diff --git a/components/health_component.gd b/components/health_component.gd
index 3252b70..915e20c 100644
--- a/components/health_component.gd
+++ b/components/health_component.gd
@@ -2,9 +2,13 @@ extends Area3D
 class_name HealthComponent
 
 @export var max_health : int = 100
-@export var health : int
+@export var health : int:
+	set(value):
+		health = value
+		health_changed.emit(value)
 
 signal health_zeroed
+signal health_changed
 
 func _ready():
 	health = max_health
diff --git a/interfaces/hud/hud.tscn b/interfaces/hud/hud.tscn
index 4ad5b3d..df716b8 100644
--- a/interfaces/hud/hud.tscn
+++ b/interfaces/hud/hud.tscn
@@ -1,23 +1,30 @@
-[gd_scene load_steps=5 format=3 uid="uid://bcv81ku26xo"]
+[gd_scene load_steps=6 format=3 uid="uid://bcv81ku26xo"]
 
 [sub_resource type="GDScript" id="GDScript_2vxif"]
 script/source = "extends CanvasLayer
+class_name HUD
 
+@onready var health_bar = $HealthBar
 @onready var energy_bar = $EnergyBar
 
 func _update_energy_label(energy):
 	energy_bar.value = energy
 
-func _ready():
-	_update_energy_label(100.0)
-
 func _on_energy_changed(new_energy) -> void:
 	_update_energy_label(new_energy)
 
+func _update_health_label(health):
+	health_bar.value = health
+
+func _on_health_changed(new_health) -> void:
+	_update_health_label(new_health)
 "
 
 [sub_resource type="Theme" id="Theme_irfqb"]
 
+[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_8ju42"]
+bg_color = Color(1, 0.356863, 0.145098, 1)
+
 [sub_resource type="StyleBoxFlat" id="StyleBoxFlat_f23s3"]
 bg_color = Color(0, 0.454902, 0.992157, 1)
 
@@ -41,7 +48,7 @@ func _process(_delta):
 [node name="HUD" type="CanvasLayer"]
 script = SubResource("GDScript_2vxif")
 
-[node name="EnergyBar" type="ProgressBar" parent="."]
+[node name="HealthBar" type="ProgressBar" parent="."]
 offset_left = 32.0
 offset_top = 32.0
 offset_right = 288.0
@@ -49,6 +56,18 @@ offset_bottom = 40.0
 size_flags_horizontal = 0
 mouse_filter = 2
 theme = SubResource("Theme_irfqb")
+theme_override_styles/fill = SubResource("StyleBoxFlat_8ju42")
+value = 60.0
+show_percentage = false
+
+[node name="EnergyBar" type="ProgressBar" parent="."]
+offset_left = 32.0
+offset_top = 48.0
+offset_right = 288.0
+offset_bottom = 56.0
+size_flags_horizontal = 0
+mouse_filter = 2
+theme = SubResource("Theme_irfqb")
 theme_override_styles/fill = SubResource("StyleBoxFlat_f23s3")
 value = 60.0
 show_percentage = false