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basic healthbars for enemies

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This commit is contained in:
Alexandre Serex
2026-01-23 13:31:11 +01:00
parent 8b2bf3e32e
commit 4d419b9010
13 changed files with 139 additions and 18 deletions
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1
Movement tests.sln.DotSettings.user
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@@ -1,5 +1,6 @@
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BIN
assets/ui/white-square-100px.png (Stored with Git LFS) Normal file
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Binary file not shown.

42
assets/ui/white-square-100px.png.import Normal file
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@@ -0,0 +1,42 @@
[remap]
importer="texture"
type="CompressedTexture2D"
uid="uid://vpcxswwn1mt6"
path.s3tc="res://.godot/imported/white-square-100px.png-45d5a1e60348740b59c87085347e502a.s3tc.ctex"
path.etc2="res://.godot/imported/white-square-100px.png-45d5a1e60348740b59c87085347e502a.etc2.ctex"
metadata={
"imported_formats": ["s3tc_bptc", "etc2_astc"],
"vram_texture": true
}
[deps]
source_file="res://assets/ui/white-square-100px.png"
dest_files=["res://.godot/imported/white-square-100px.png-45d5a1e60348740b59c87085347e502a.s3tc.ctex", "res://.godot/imported/white-square-100px.png-45d5a1e60348740b59c87085347e502a.etc2.ctex"]
[params]
compress/mode=2
compress/high_quality=false
compress/lossy_quality=0.7
compress/uastc_level=0
compress/rdo_quality_loss=0.0
compress/hdr_compression=1
compress/normal_map=0
compress/channel_pack=0
mipmaps/generate=true
mipmaps/limit=-1
roughness/mode=0
roughness/src_normal=""
process/channel_remap/red=0
process/channel_remap/green=1
process/channel_remap/blue=2
process/channel_remap/alpha=3
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=0

9
components/health/CHealth.cs
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@@ -5,7 +5,7 @@ using Movementtests.interfaces;
[GlobalClass]
public partial class CHealth : Node, IHealthable
{
public event Action<IHealthable, float> HealthChanged;
public event Action<IHealthable, HealthChangedRecord> HealthChanged;
public event Action<IHealthable> HealthDepleted;
[Export]
@@ -18,15 +18,18 @@ public partial class CHealth : Node, IHealthable
CurrentHealth = RHealth.StartingHealth;
}
public void ReduceHealth(IDamageable source, DamageRecord damageRecord)
public HealthChangedRecord ReduceHealth(IDamageable source, DamageRecord damageRecord)
{
var previousHealth = CurrentHealth;
CurrentHealth -= damageRecord.Damage.DamageDealt;
HealthChanged?.Invoke(this, CurrentHealth);
var record = new HealthChangedRecord(CurrentHealth, previousHealth, RHealth.StartingHealth);
HealthChanged?.Invoke(this, record);
if (CurrentHealth <= 0)
{
CurrentHealth = 0;
HealthDepleted?.Invoke(this);
}
return record;
}
}

26
components/health/CHealthbar.cs Normal file
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@@ -0,0 +1,26 @@
using Godot;
using System;
using Movementtests.interfaces;
[GlobalClass]
public partial class CHealthbar : Node3D
{
private Sprite3D _currentHealth;
private float _initialXScale;
public override void _Ready()
{
Visible = false;
_currentHealth = GetNode<Sprite3D>("Health");
_initialXScale = _currentHealth.Scale.X;
}
public void OnHealthChanged(HealthChangedRecord healthChanged)
{
if (healthChanged.MaxHealth == 0) return;
Visible = true;
var healthPercentage = healthChanged.CurrentHealth / healthChanged.MaxHealth;
_currentHealth.Scale = new Vector3(_initialXScale * healthPercentage, _currentHealth.Scale.Y, _currentHealth.Scale.Z);
}
}

1
components/health/CHealthbar.cs.uid Normal file
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@@ -0,0 +1 @@
uid://dve6vg6yvg4y8

27
components/health/CHealthbar.tscn Normal file
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@@ -0,0 +1,27 @@
[gd_scene load_steps=3 format=3 uid="uid://bwx2um43k0ou4"]
[ext_resource type="Texture2D" uid="uid://vpcxswwn1mt6" path="res://assets/ui/white-square-100px.png" id="1_jlvej"]
[ext_resource type="Script" uid="uid://dve6vg6yvg4y8" path="res://components/health/CHealthbar.cs" id="1_w5itk"]
[node name="CHealthBar" type="Node3D"]
script = ExtResource("1_w5itk")
[node name="Bar" type="Sprite3D" parent="."]
transform = Transform3D(1, 0, 0, 0, 0.1, 0, 0, 0, 1, 0, 0, 0)
cast_shadow = 0
billboard = 1
transparent = false
double_sided = false
no_depth_test = true
texture = ExtResource("1_jlvej")
[node name="Health" type="Sprite3D" parent="."]
transform = Transform3D(0.99, 0, 0, 0, 0.09, 0, 0, 0, 1, 0, 0, 0)
cast_shadow = 0
modulate = Color(0.7191989, 0.19340843, 1.92523e-07, 1)
billboard = 1
transparent = false
double_sided = false
no_depth_test = true
render_priority = 10
texture = ExtResource("1_jlvej")

1
interfaces/IDamageable.cs
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@@ -8,6 +8,7 @@ public record DamageRecord(Node3D Source, RDamage Damage);
public interface IDamageable
{
event Action<IDamageable, DamageRecord> DamageTaken;
DamageRecord TakeDamage(DamageRecord damageRecord);
DamageRecord ComputeDamage(DamageRecord damageRecord);
}

6
interfaces/IHealthable.cs
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@@ -3,14 +3,16 @@ using Godot;
namespace Movementtests.interfaces;
public record HealthChangedRecord(float CurrentHealth, float PreviousHealth, float MaxHealth);
public interface IHealthable
{
event Action<IHealthable, float> HealthChanged;
event Action<IHealthable, HealthChangedRecord> HealthChanged;
event Action<IHealthable> HealthDepleted;
[Export] RHealth RHealth { get; set; }
float CurrentHealth { get; set; }
void ReduceHealth(IDamageable source, DamageRecord damageRecord);
HealthChangedRecord ReduceHealth(IDamageable source, DamageRecord damageRecord);
}

11
player_controller/Scripts/PlayerController.cs
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@@ -41,7 +41,7 @@ public partial class PlayerController : CharacterBody3D,
///////////////////////////
public event Action<IDamageable, DamageRecord> DamageTaken;
public event Action<IHealthable, float> HealthChanged;
public event Action<IHealthable, HealthChangedRecord> HealthChanged;
public event Action<IHealthable> HealthDepleted;
///////////////////////////
@@ -426,7 +426,7 @@ public partial class PlayerController : CharacterBody3D,
}
if (RKnockback != null) CKnockback!.RKnockback = RKnockback;
CDamageable.DamageTaken += ReduceHealth;
CDamageable.DamageTaken += (source, record) => ReduceHealth(source, record);
CDamageable.DamageTaken += RegisterKnockback;
CHealth.HealthDepleted += Kill;
@@ -2042,11 +2042,12 @@ public partial class PlayerController : CharacterBody3D,
{
ResetTimeScale();
}
public void ReduceHealth(IDamageable source, DamageRecord damageRecord)
public HealthChangedRecord ReduceHealth(IDamageable source, DamageRecord damageRecord)
{
GD.Print("That's NOT fine");
CHealth.ReduceHealth(source, damageRecord);
HealthChanged?.Invoke(this, CHealth.CurrentHealth);
var record = CHealth.ReduceHealth(source, damageRecord);
HealthChanged?.Invoke(this, record);
return record;
}
public void RegisterKnockback(IDamageable source, DamageRecord damageRecord)
{

18
scenes/enemies/Enemy.cs
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@@ -16,7 +16,7 @@ public partial class Enemy : CharacterBody3D,
{
// Signals and events
public event Action<IDamageable, DamageRecord> DamageTaken;
public event Action<IHealthable, float> HealthChanged;
public event Action<IHealthable, HealthChangedRecord> HealthChanged;
public event Action<IHealthable> HealthDepleted;
// Public export components
@@ -54,6 +54,7 @@ public partial class Enemy : CharacterBody3D,
// Private stuff
private Area3D _damageBox;
private Node3D _target;
private CHealthbar _healthbar;
public override void _Ready()
{
@@ -75,6 +76,8 @@ public partial class Enemy : CharacterBody3D,
if (CHealth is null) GD.PrintErr("This node needs a 'CHealth' child of type IHealthable!");
if (CKnockback is null) GD.PrintErr("This node needs a 'CKnockback' child of type IKnockbackable!");
_healthbar = GetNode<CHealthbar>("CHealthBar");
if (RMovement != null) CMovement!.RMovement = RMovement;
if (RHealth != null)
{
@@ -86,9 +89,11 @@ public partial class Enemy : CharacterBody3D,
public void SetupSignals()
{
CDamageable.DamageTaken += ReduceHealth;
// Anonymous function call to erase return values of ReduceHealth
CDamageable.DamageTaken += (source, record) => ReduceHealth(source, record);
CDamageable.DamageTaken += RegisterKnockback;
CHealth.HealthDepleted += Kill;
HealthChanged += (source, record) => _healthbar.OnHealthChanged(record);
}
public override void _PhysicsProcess(double delta)
@@ -147,11 +152,12 @@ public partial class Enemy : CharacterBody3D,
return CDamageable.ComputeDamage(damageRecord);
}
public void ReduceHealth(IDamageable source, DamageRecord damageRecord)
public HealthChangedRecord ReduceHealth(IDamageable source, DamageRecord damageRecord)
{
if (CHealth is null) return;
CHealth.ReduceHealth(source, damageRecord);
HealthChanged?.Invoke(this, CHealth.CurrentHealth);
if (CHealth is null) return new HealthChangedRecord(0, 0, 0);
var record = CHealth.ReduceHealth(source, damageRecord);
HealthChanged?.Invoke(this, record);
return record;
}
public void Kill(IHealthable source)

6
scenes/enemies/flying_enemy/flying_enemy.tscn
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@@ -1,4 +1,4 @@
[gd_scene load_steps=20 format=3 uid="uid://cmlud1hwkd6sv"]
[gd_scene load_steps=21 format=3 uid="uid://cmlud1hwkd6sv"]
[ext_resource type="Script" uid="uid://bn7sc6id7n166" path="res://scenes/enemies/Enemy.cs" id="1_q8l7o"]
[ext_resource type="Script" uid="uid://b6y3ugfydvch0" path="res://components/damage/RDamageModifier.cs" id="2_1bsgx"]
@@ -7,6 +7,7 @@
[ext_resource type="Resource" uid="uid://bwqjaom4k7rc3" path="res://scenes/enemies/flying_enemy/flying_enemy_movement.tres" id="4_dejyg"]
[ext_resource type="Script" uid="uid://bjwrpv3jpsc1e" path="res://components/health/CHealth.cs" id="4_ys4jv"]
[ext_resource type="PackedScene" uid="uid://dmw5ibwrb483f" path="res://components/movement/CFlyingMovement.tscn" id="7_vaeds"]
[ext_resource type="PackedScene" uid="uid://bwx2um43k0ou4" path="res://components/health/CHealthbar.tscn" id="7_ykkxn"]
[ext_resource type="Script" uid="uid://dtpxijlnb2c5" path="res://components/movement/RMovement.cs" id="8_on7rt"]
[ext_resource type="Script" uid="uid://b0u23nkpaimyc" path="res://components/damage/CDamageable.cs" id="8_uotso"]
[ext_resource type="PackedScene" uid="uid://bctpe34ddamg5" path="res://components/knockback/CKnockback.tscn" id="10_dejyg"]
@@ -58,6 +59,9 @@ script = ExtResource("4_ys4jv")
RHealth = ExtResource("2_ma2bq")
metadata/_custom_type_script = "uid://bjwrpv3jpsc1e"
[node name="CHealthBar" parent="." instance=ExtResource("7_ykkxn")]
transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 2.2, 0)
[node name="CDamageable" type="Node" parent="."]
script = ExtResource("8_uotso")
DamageModifiers = Array[Object]([SubResource("Resource_jnv07"), SubResource("Resource_53j1c")])

6
scenes/enemies/grounded_enemy/grounded_enemy.tscn
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@@ -1,4 +1,4 @@
[gd_scene load_steps=19 format=3 uid="uid://dxt0e2ugmttqq"]
[gd_scene load_steps=20 format=3 uid="uid://dxt0e2ugmttqq"]
[ext_resource type="Script" uid="uid://bn7sc6id7n166" path="res://scenes/enemies/Enemy.cs" id="1_r6506"]
[ext_resource type="Resource" uid="uid://otfc2snh8umc" path="res://scenes/enemies/grounded_enemy/grounded_enemy_damage.tres" id="2_bn56u"]
@@ -7,6 +7,7 @@
[ext_resource type="Resource" uid="uid://bohbojc68j7y1" path="res://scenes/enemies/grounded_enemy/grounded_enemy_health.tres" id="2_w4lm8"]
[ext_resource type="Resource" uid="uid://bqq6uukbdfysr" path="res://scenes/enemies/grounded_enemy/grounded_enemy_movement.tres" id="4_na24f"]
[ext_resource type="Script" uid="uid://b0u23nkpaimyc" path="res://components/damage/CDamageable.cs" id="7_1tw73"]
[ext_resource type="PackedScene" uid="uid://bwx2um43k0ou4" path="res://components/health/CHealthbar.tscn" id="7_18xwy"]
[ext_resource type="PackedScene" uid="uid://dbr7ioio158ew" path="res://components/movement/CGroundedMovement.tscn" id="7_qyswd"]
[ext_resource type="Script" uid="uid://dtpxijlnb2c5" path="res://components/movement/RMovement.cs" id="8_6d4gl"]
[ext_resource type="PackedScene" uid="uid://bctpe34ddamg5" path="res://components/knockback/CKnockback.tscn" id="10_jqqi6"]
@@ -53,6 +54,9 @@ script = ExtResource("2_gsmti")
RHealth = ExtResource("2_w4lm8")
metadata/_custom_type_script = "uid://bjwrpv3jpsc1e"
[node name="CHealthBar" parent="." instance=ExtResource("7_18xwy")]
transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 2.2, 0)
[node name="CDamageable" type="Node" parent="."]
script = ExtResource("7_1tw73")
DamageModifiers = Array[Object]([SubResource("Resource_qj0ob")])