Zombies with PathFinding Run and Attack !

commit 4fd60e7874
Author: Morph01 <145839520+Morph01@users.noreply.github.com>
Date:   Fri Aug 16 14:19:29 2024 +0200

    bug animation ???

godot/Scenes/Characters/first_person_player.tscn

@@ -1,4 +1,6 @@
-[gd_scene load_steps=3 format=3 uid="uid://d38w4ae3qj0k4"]
+[gd_scene load_steps=4 format=3 uid="uid://d38w4ae3qj0k4"]
+
+[ext_resource type="PackedScene" uid="uid://ciex3x7rhv1bx" path="res://Scenes/Weapons/steampunk_rifle.tscn" id="1_i6keg"]
 
 [sub_resource type="CapsuleMesh" id="CapsuleMesh_ky6st"]
 
@@ -19,3 +21,6 @@ transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.578545, 0)
 
 [node name="Camera" type="Camera3D" parent="Head"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.1, 0)
+
+[node name="Steampunk Rifle" parent="Head/Camera" instance=ExtResource("1_i6keg")]
+transform = Transform3D(1, 0, 0, 0, 0.998135, -0.0610485, 0, 0.0610485, 0.998135, 0.19, -0.18, -0.55)

godot/Scenes/Levels/world.tscn

@@ -1,9 +1,10 @@
-[gd_scene load_steps=18 format=3 uid="uid://coue2qehpn4fr"]
+[gd_scene load_steps=20 format=3 uid="uid://coue2qehpn4fr"]
 
-[ext_resource type="Texture2D" path="res://Assets/Textures/Sky.png" id="1_mnexj"]
-[ext_resource type="Texture2D" path="res://Assets/Textures/Black.png" id="2_fkwcn"]
-[ext_resource type="Texture2D" path="res://Assets/Textures/Orange.png" id="3_ux02w"]
-[ext_resource type="Texture2D" path="res://Assets/Textures/Green.png" id="4_wp15n"]
+[ext_resource type="Texture2D" uid="uid://dujfl12rge3p4" path="res://Assets/Textures/Sky.png" id="1_mnexj"]
+[ext_resource type="Texture2D" uid="uid://b8n5rff2a8h2u" path="res://Assets/Textures/Black.png" id="2_fkwcn"]
+[ext_resource type="Texture2D" uid="uid://lpbttkw7gpxj" path="res://Assets/Textures/Orange.png" id="3_ux02w"]
+[ext_resource type="Texture2D" uid="uid://di3uyny341483" path="res://Assets/Textures/Green.png" id="4_wp15n"]
+[ext_resource type="PackedScene" uid="uid://bjuf33f7oteit" path="res://Scenes/Characters/zombie.tscn" id="5_4vmh3"]
 [ext_resource type="PackedScene" uid="uid://d38w4ae3qj0k4" path="res://Scenes/Characters/first_person_player.tscn" id="5_8ctht"]
 
 [sub_resource type="PanoramaSkyMaterial" id="PanoramaSkyMaterial_6c4vd"]
@@ -18,6 +19,12 @@ sky = SubResource("Sky_5ngqa")
 tonemap_mode = 2
 glow_enabled = true
 
+[sub_resource type="NavigationMesh" id="NavigationMesh_2pdqo"]
+vertices = PackedVector3Array(-5.25, 0.5, 1, -5, 0.5, -1.75, -5.5, 0.5, -2, -11.25, 0.5, 1, -5.5, 0.5, -3.75, -3.25, 0.5, -4, -3.25, 0.5, -24.5, -11.25, 0.5, 1, -5.5, 0.5, -2, -5.5, 0.5, -3.75, -24.5, 0.5, 3.25, -11.5, 0.5, 3.25, -11.25, 0.5, 1, -24.5, 0.5, 3.25, -11.25, 0.5, 1, -5.5, 0.5, -3.75, -3.25, 0.5, -24.5, -24.5, 0.5, -24.5, -3.25, 0.5, -4, 3.5, 0.5, -4, 3.5, 0.5, -24.5, -3.25, 0.5, -24.5, 5.5, 0.5, -4, 5.75, 0.5, -3, 24.5, 0.5, -3, 24.5, 0.5, -24.5, 3.5, 0.5, -24.5, 3.5, 0.5, -24.5, 3.5, 0.5, -4, 5.5, 0.5, -4, -5, 0.5, -1.75, -5.25, 0.5, 1, -5, 0.75, 2, 5.25, 0.5, -1.75, -5, 0.75, 2, -7.25, 1.5, 2, -7.25, 1.5, 6, -5, 0.75, 6.25, 24.5, 0.5, -3, 5.75, 0.5, -3, 5.25, 0.5, -1.75, -5.25, 0.5, 7.25, -6.75, 0.5, 7.25, -6.5, 0.5, 24.5, 5.25, 0.5, -1.75, -5, 0.75, 2, -5, 0.75, 6.25, 5.25, 0.5, -1.75, -5, 0.75, 6.25, -5.25, 0.5, 7.25, -6.5, 0.5, 24.5, 24.5, 0.5, 24.5, 24.5, 0.5, -3, -7.25, 1.5, 6, -7.25, 1.5, 2, -14, 3.75, 2, -14, 3.75, 6, -11.5, 0.5, 7, -11.5, 0.5, 3.25, -24.5, 0.5, 3.25, -10, 0.5, 24.5, -9.75, 0.5, 7.25, -11.5, 0.5, 7, -11.5, 0.5, 7, -24.5, 0.5, 3.25, -24.5, 0.5, 24.5, -10, 0.5, 24.5, -10, 0.5, 24.5, -6.5, 0.5, 24.5, -6.75, 0.5, 7.25, -9.75, 0.5, 7.25)
+polygons = [PackedInt32Array(1, 0, 2), PackedInt32Array(2, 0, 3), PackedInt32Array(6, 5, 4), PackedInt32Array(7, 9, 8), PackedInt32Array(12, 11, 10), PackedInt32Array(14, 13, 15), PackedInt32Array(15, 13, 16), PackedInt32Array(16, 13, 17), PackedInt32Array(21, 20, 18), PackedInt32Array(18, 20, 19), PackedInt32Array(23, 22, 24), PackedInt32Array(24, 22, 25), PackedInt32Array(25, 22, 26), PackedInt32Array(29, 28, 27), PackedInt32Array(31, 30, 32), PackedInt32Array(32, 30, 33), PackedInt32Array(35, 34, 36), PackedInt32Array(36, 34, 37), PackedInt32Array(40, 39, 38), PackedInt32Array(43, 42, 41), PackedInt32Array(46, 45, 44), PackedInt32Array(48, 47, 49), PackedInt32Array(49, 47, 50), PackedInt32Array(50, 47, 52), PackedInt32Array(50, 52, 51), PackedInt32Array(56, 55, 53), PackedInt32Array(53, 55, 54), PackedInt32Array(59, 58, 57), PackedInt32Array(62, 61, 60), PackedInt32Array(66, 65, 63), PackedInt32Array(63, 65, 64), PackedInt32Array(70, 69, 67), PackedInt32Array(67, 69, 68)]
+agent_radius = 0.4
+agent_max_slope = 60.0
+
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_ajchh"]
 albedo_texture = ExtResource("2_fkwcn")
 uv1_triplanar = true
@@ -53,38 +60,58 @@ data = PackedVector3Array(-12.5, 2.5, 2.5, 2.5, -2.5, 2.5, -2.5, -2.5, 2.5, -12.
 
 [node name="World" type="Node3D"]
 
-[node name="WorldEnvironment" type="WorldEnvironment" parent="."]
+[node name="Map" type="Node3D" parent="."]
+
+[node name="WorldEnvironment" type="WorldEnvironment" parent="Map"]
 environment = SubResource("Environment_ctwiv")
 
-[node name="DirectionalLight3D" type="DirectionalLight3D" parent="."]
-transform = Transform3D(-0.866026, -0.433013, 0.249999, 0.5, -0.75, 0.433012, -1.3411e-07, 0.499999, 0.866026, 0, 0, 0)
+[node name="DirectionalLight3D" type="DirectionalLight3D" parent="Map"]
+transform = Transform3D(-0.866026, -0.433013, 0.249999, 0.5, -0.750001, 0.433012, -1.3411e-07, 0.499999, 0.866026, 0, 0, 0)
 shadow_enabled = true
 
-[node name="Floor" type="MeshInstance3D" parent="."]
+[node name="NavigationRegion3D" type="NavigationRegion3D" parent="Map"]
+navigation_mesh = SubResource("NavigationMesh_2pdqo")
+
+[node name="Floor" type="MeshInstance3D" parent="Map/NavigationRegion3D"]
 mesh = SubResource("PlaneMesh_mmup0")
+skeleton = NodePath("../../..")
 
-[node name="StaticBody3D" type="StaticBody3D" parent="Floor"]
+[node name="StaticBody3D" type="StaticBody3D" parent="Map/NavigationRegion3D/Floor"]
 
-[node name="CollisionShape3D" type="CollisionShape3D" parent="Floor/StaticBody3D"]
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Map/NavigationRegion3D/Floor/StaticBody3D"]
 shape = SubResource("ConcavePolygonShape3D_26ptr")
 
-[node name="Wall" type="MeshInstance3D" parent="."]
+[node name="Wall" type="MeshInstance3D" parent="Map/NavigationRegion3D"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.5, -3)
 mesh = SubResource("BoxMesh_plpqy")
+skeleton = NodePath("../../..")
 
-[node name="StaticBody3D" type="StaticBody3D" parent="Wall"]
+[node name="StaticBody3D" type="StaticBody3D" parent="Map/NavigationRegion3D/Wall"]
 
-[node name="CollisionShape3D" type="CollisionShape3D" parent="Wall/StaticBody3D"]
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Map/NavigationRegion3D/Wall/StaticBody3D"]
 shape = SubResource("ConcavePolygonShape3D_v7prx")
 
-[node name="Slope" type="MeshInstance3D" parent="."]
+[node name="Slope" type="MeshInstance3D" parent="Map/NavigationRegion3D"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -2, 1, 4)
 mesh = SubResource("PrismMesh_0l7qq")
+skeleton = NodePath("../../..")
 surface_material_override/0 = SubResource("StandardMaterial3D_pfpgv")
 
-[node name="StaticBody3D" type="StaticBody3D" parent="Slope"]
+[node name="StaticBody3D" type="StaticBody3D" parent="Map/NavigationRegion3D/Slope"]
 
-[node name="CollisionShape3D" type="CollisionShape3D" parent="Slope/StaticBody3D"]
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Map/NavigationRegion3D/Slope/StaticBody3D"]
 shape = SubResource("ConcavePolygonShape3D_rit6o")
 
+[node name="zombie" parent="Map" instance=ExtResource("5_4vmh3")]
+m_PlayerPath = NodePath("../../FirstPersonPlayer")
+transform = Transform3D(-0.98774, 0, -0.156107, 0, 1, 0, 0.156107, 0, -0.98774, 0, 0, 7.38477)
+
+[node name="zombie2" parent="Map" instance=ExtResource("5_4vmh3")]
+m_PlayerPath = NodePath("../../FirstPersonPlayer")
+transform = Transform3D(-0.98774, 0, -0.156107, 0, 1, 0, 0.156107, 0, -0.98774, 8.0927, 0, 7.38477)
+
+[node name="zombie3" parent="Map" instance=ExtResource("5_4vmh3")]
+m_PlayerPath = NodePath("../../FirstPersonPlayer")
+transform = Transform3D(-0.98774, 0, -0.156107, 0, 1, 0, 0.156107, 0, -0.98774, 14.3905, 0, -18.3684)
+
 [node name="FirstPersonPlayer" parent="." instance=ExtResource("5_8ctht")]

godot/Scenes/Weapons/bullet.tscn

@@ -0,0 +1,51 @@
+[gd_scene load_steps=6 format=3 uid="uid://do601jl7p1u22"]
+
+[sub_resource type="BoxMesh" id="BoxMesh_ibwn0"]
+size = Vector3(0.05, 0.05, 1)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_2qdhl"]
+albedo_color = Color(1, 0.764706, 0.294118, 1)
+emission_enabled = true
+emission = Color(0.568627, 1, 0.313726, 1)
+emission_energy_multiplier = 5.0
+
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_618v8"]
+direction = Vector3(0, 0, 1)
+initial_velocity_min = 3.0
+initial_velocity_max = 5.0
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_gn2fy"]
+albedo_color = Color(1, 1, 0.443137, 1)
+emission_enabled = true
+emission = Color(0.568627, 1, 0.313726, 1)
+emission_energy_multiplier = 8.0
+
+[sub_resource type="BoxMesh" id="BoxMesh_5un5e"]
+material = SubResource("StandardMaterial3D_gn2fy")
+size = Vector3(0.04, 0.04, 0.04)
+
+[node name="Bullet" type="Bullet"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -52730.2)
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("BoxMesh_ibwn0")
+surface_material_override/0 = SubResource("StandardMaterial3D_2qdhl")
+
+[node name="RayCast3D" type="RayCast3D" parent="."]
+target_position = Vector3(0, 0, -0.6)
+
+[node name="GPUParticles3D" type="GPUParticles3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -0.7)
+emitting = false
+one_shot = true
+explosiveness = 1.0
+visibility_aabb = AABB(-1.00001, -6.06334, -1.00001, 2.00002, 7.06267, 41.4102)
+process_material = SubResource("ParticleProcessMaterial_618v8")
+draw_pass_1 = SubResource("BoxMesh_5un5e")
+
+[node name="Timer" type="Timer" parent="."]
+wait_time = 10.0
+one_shot = true
+autostart = true
+
+[connection signal="timeout" from="Timer" to="." method="_on_timer_timeout"]

godot/Scenes/Weapons/steampunk_rifle.tscn

@@ -0,0 +1,36 @@
+[gd_scene load_steps=4 format=3 uid="uid://ciex3x7rhv1bx"]
+
+[ext_resource type="PackedScene" uid="uid://bkskefixbe2cw" path="res://Assets/Models/Weapons/Steampunk Rifle.glb" id="1_0bnv5"]
+
+[sub_resource type="Animation" id="Animation_20uwx"]
+resource_name = "Shoot"
+length = 0.1
+step = 0.01
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("Node:position")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 0.01, 0.1),
+"transitions": PackedFloat32Array(1, 1, 1),
+"update": 0,
+"values": [Vector3(0, 0, 0), Vector3(0, 0, 0.05), Vector3(0, 0, 0)]
+}
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_113bo"]
+_data = {
+"Shoot": SubResource("Animation_20uwx")
+}
+
+[node name="Steampunk Rifle" instance=ExtResource("1_0bnv5")]
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="." index="1"]
+libraries = {
+"": SubResource("AnimationLibrary_113bo")
+}
+
+[node name="RayCast3D" type="RayCast3D" parent="." index="2"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -1.10108)
+target_position = Vector3(0, 0, -1)

godot/bullet.tscn

@@ -0,0 +1,19 @@
+[gd_scene load_steps=3 format=3 uid="uid://bt0551kcc5tw4"]
+
+[sub_resource type="BoxMesh" id="BoxMesh_ibwn0"]
+size = Vector3(0.05, 0.05, 1)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_2qdhl"]
+albedo_color = Color(1, 0.764706, 0.294118, 1)
+emission_enabled = true
+emission = Color(0.568627, 1, 0.313726, 1)
+emission_energy_multiplier = 5.0
+
+[node name="Bullet" type="Bullet"]
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("BoxMesh_ibwn0")
+surface_material_override/0 = SubResource("StandardMaterial3D_2qdhl")
+
+[node name="RayCast3D" type="RayCast3D" parent="."]
+target_position = Vector3(0, 0, -0.6)

godot/project.godot

@@ -49,6 +49,11 @@ jump={
 }
 escape={
 "deadzone": 0.5,
-"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"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,"echo":false,"script":null)
+"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,"echo":false,"script":null)
+]
+}
+shoot={
+"deadzone": 0.5,
+"events": [Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"button_mask":1,"position":Vector2(351, 9),"global_position":Vector2(355, 50),"factor":1.0,"button_index":1,"canceled":false,"pressed":true,"double_click":false,"script":null)
 ]
 }

src/Bullet.cpp

@@ -0,0 +1,45 @@
+#include "Bullet.h"
+
+using namespace godot;
+
+namespace blitz {
+
+static constexpr float BULLET_SPEED = 40.0f;
+
+void Bullet::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("_on_timer_timeout"), &Bullet::_on_timer_timeout);
+}
+
+Bullet::Bullet() {}
+
+Bullet::~Bullet() {}
+
+void Bullet::_ready() {
+	m_Particles = Object::cast_to<GPUParticles3D>(find_child("GPUParticles3D"));
+	DEV_ASSERT(m_Particles);
+	m_Ray = Object::cast_to<RayCast3D>(find_child("RayCast3D"));
+	DEV_ASSERT(m_Ray);
+	m_Mesh = Object::cast_to<MeshInstance3D>(find_child("MeshInstance3D"));
+	DEV_ASSERT(m_Mesh);
+	m_Timer = memnew(godot::Timer);
+	add_child(m_Timer);
+	m_Timer->connect("timeout", callable_mp(this, &Bullet::_on_timer_timeout));
+}
+
+void Bullet::_physics_process(float a_Delta) {
+	Vector3 movement = Vector3(0, 0, -BULLET_SPEED) * a_Delta;
+	set_position(get_transform().xform(movement));
+
+	if (m_Ray->is_colliding()) {
+		m_Mesh->set_visible(false);
+		m_Particles->set_emitting(true);
+		m_Timer->set_wait_time(1.0);
+		m_Timer->start();
+	}
+}
+
+void Bullet::_on_timer_timeout() {
+	queue_free();
+}
+
+}  // namespace blitz

src/Bullet.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <godot_cpp/classes/gpu_particles3d.hpp>
+#include <godot_cpp/classes/mesh_instance3d.hpp>
+#include <godot_cpp/classes/node3d.hpp>
+#include <godot_cpp/classes/ray_cast3d.hpp>
+#include <godot_cpp/classes/timer.hpp>
+
+namespace blitz {
+class Bullet : public godot::Node3D {
+	GDCLASS(Bullet, godot::Node3D)
+  protected:
+	static void _bind_methods();
+
+  public:
+	Bullet();
+	~Bullet();
+
+	void _ready();
+	void _physics_process(float delta);
+
+  private:
+	godot::GPUParticles3D* m_Particles;
+	godot::RayCast3D* m_Ray;
+	godot::MeshInstance3D* m_Mesh;
+	godot::Timer* m_Timer;
+
+	void _on_timer_timeout();
+};
+
+}  // namespace blitz

src/FirstPersonPlayer.cpp

@@ -4,6 +4,7 @@
 #include <godot_cpp/classes/input.hpp>
 #include <godot_cpp/classes/input_event_mouse_motion.hpp>
 #include <godot_cpp/classes/input_map.hpp>
+#include <godot_cpp/classes/resource_loader.hpp>
 #include <godot_cpp/core/math.hpp>
 
 using namespace godot;
@@ -32,6 +33,7 @@ static constexpr float FOV_TRANSITION = 8.0f;
 static constexpr float MIN_FOV_VELOCITY = 0.5;
 static constexpr float MAX_FOV_VELOCITY = SPRINT_SPEED * 2.0f;
 
+
 void FirstPersonPlayer::_bind_methods() {}
 
 FirstPersonPlayer::FirstPersonPlayer() : m_BobTime(0) {}
@@ -47,6 +49,14 @@ void FirstPersonPlayer::_ready() {
 	DEV_ASSERT(m_Head);
 	m_Camera = Object::cast_to<Camera3D>(m_Head->find_child("Camera"));
 	DEV_ASSERT(m_Camera);
+	m_WeaponAnimation = Object::cast_to<AnimationPlayer>(find_child("AnimationPlayer"));
+	DEV_ASSERT(m_WeaponAnimation);
+	m_GunBarrel = Object::cast_to<RayCast3D>(find_child("RayCast3D"));
+	DEV_ASSERT(m_GunBarrel);
+	m_BulletScene = ResourceLoader::get_singleton()->load("res://Scenes/Weapons/bullet.tscn");
+	if (!m_BulletScene.is_valid()) {
+		ERR_PRINT("Failed to load bullet scene.");
+	}
 }
 
 void FirstPersonPlayer::_unhandled_input(const godot::Ref<godot::InputEvent>& a_Event) {
@@ -84,6 +94,16 @@ void FirstPersonPlayer::_physics_process(float a_Delta) {
 	UpdateFOV(a_Delta);
 	UpdateBobbing(a_Delta);
 
+	if (Input->is_action_pressed("shoot")) {
+		if (!m_WeaponAnimation->is_playing()) {
+			m_WeaponAnimation->play("Shoot");
+			m_BulletInstance = m_BulletScene->instantiate();
+			m_BulletInstance->set("position", m_GunBarrel->get_global_transform().origin);
+			m_BulletInstance->set("rotation", m_GunBarrel->get_global_transform().basis.get_euler());
+			get_parent()->add_child(m_BulletInstance);
+		}
+	}
+
 	move_and_slide();
 }
 

src/FirstPersonPlayer.h

@@ -1,9 +1,13 @@
 #pragma once
 
+#include <godot_cpp/classes/animation_player.hpp>
 #include <godot_cpp/classes/camera3d.hpp>
 #include <godot_cpp/classes/character_body3d.hpp>
 #include <godot_cpp/classes/input_event_mouse_motion.hpp>
 #include <godot_cpp/classes/node3d.hpp>
+#include <godot_cpp/classes/packed_scene.hpp>
+#include <godot_cpp/classes/ray_cast3d.hpp>
+#include <godot_cpp/classes/ref.hpp>
 
 namespace blitz {
 
@@ -24,6 +28,10 @@ class FirstPersonPlayer : public godot::CharacterBody3D {
   private:
 	godot::Camera3D* m_Camera;
 	godot::Node3D* m_Head;
+	godot::AnimationPlayer* m_WeaponAnimation;
+	godot::RayCast3D* m_GunBarrel;
+	godot::Node* m_BulletInstance;
+	godot::Ref<godot::PackedScene> m_BulletScene;
 	float m_BobTime;
 	float m_Speed;
 

src/Zombie.cpp

@@ -0,0 +1,74 @@
+#include "Zombie.h"
+
+#include <godot_cpp/classes/engine.hpp>
+
+using namespace godot;
+
+namespace blitz {
+
+static constexpr float SPEED = 2.0f;
+static constexpr float ATTACK_RANGE = 2.0f;
+
+void Zombie::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("set_m_PlayerPath", "m_PlayerPath"), &Zombie::set_m_PlayerPath);
+	ClassDB::bind_method(D_METHOD("get_m_PlayerPath"), &Zombie::get_m_PlayerPath);
+
+	ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "m_PlayerPath"), "set_m_PlayerPath", "get_m_PlayerPath");
+}
+
+Zombie::Zombie() {}
+
+Zombie::~Zombie() {}
+
+void Zombie::_ready() {
+#if DEBUG_ENABLED
+	if (Engine::get_singleton()->is_editor_hint()) {
+		return;
+	}
+#endif
+
+	m_Player = Object::cast_to<FirstPersonPlayer>(get_parent()->get_parent()->find_child("FirstPersonPlayer"));
+	DEV_ASSERT(m_Player);
+	m_NavigationAgent = Object::cast_to<NavigationAgent3D>(find_child("NavigationAgent3D"));
+	DEV_ASSERT(m_NavigationAgent);
+	m_AnimationTree = Object::cast_to<AnimationTree>(find_child("AnimationTree"));
+	DEV_ASSERT(m_AnimationTree);
+	m_StateMachine = Object::cast_to<AnimationNodeStateMachinePlayback>(m_AnimationTree->get("parameters/playback"));
+	DEV_ASSERT(m_StateMachine);
+	this->set_velocity(Vector3(0, 0, 0));
+}
+
+void Zombie::_process(float a_Delta) {
+#if DEBUG_ENABLED
+	if (Engine::get_singleton()->is_editor_hint()) {
+		return;
+	}
+#endif
+	if (m_StateMachine->get_current_node().match("Run")) {
+		m_NavigationAgent->set_target_position(m_Player->get_global_position());
+		m_Velocity = (m_NavigationAgent->get_next_path_position() - this->get_global_position()).normalized() * SPEED;
+		this->set_velocity(m_Velocity);
+		look_at(Vector3(this->get_global_position().x + this->get_velocity().x, this->get_global_position().y,
+			this->get_global_position().z + this->get_velocity().z));
+	} else if (m_StateMachine->get_current_node().match("Attack")) {
+		this->set_velocity(Vector3(0, 0, 0));
+		look_at(Vector3(m_Player->get_global_position().x, m_Player->get_global_position().y / 2, m_Player->get_global_position().z));
+	}
+	m_AnimationTree->set("parameters/conditions/run", !_target_in_range());
+	m_AnimationTree->set("parameters/conditions/attack", _target_in_range());
+
+	move_and_slide();
+}
+
+bool Zombie::_target_in_range() {
+	return this->get_global_position().distance_to(m_Player->get_global_position()) < ATTACK_RANGE;
+}
+
+void Zombie::set_m_PlayerPath(const NodePath& path) {
+	m_PlayerPath = path;
+}
+
+NodePath Zombie::get_m_PlayerPath() const {
+	return m_PlayerPath;
+}
+}  // namespace blitz

src/Zombie.h

@@ -0,0 +1,37 @@
+#pragma once
+
+#include "FirstPersonPlayer.h"
+#include <godot_cpp/classes/animation_node_state_machine_playback.hpp>
+#include <godot_cpp/classes/animation_tree.hpp>
+#include <godot_cpp/classes/character_body3d.hpp>
+#include <godot_cpp/classes/navigation_agent3d.hpp>
+#include <godot_cpp/variant/node_path.hpp>
+
+namespace blitz {
+
+class Zombie : public godot::CharacterBody3D {
+	GDCLASS(Zombie, godot::CharacterBody3D)
+  protected:
+	static void _bind_methods();
+
+  public:
+	Zombie();
+	~Zombie();
+
+	void _ready();
+	void _process(float delta);
+	bool _target_in_range();
+
+  private:
+	godot::NavigationAgent3D* m_NavigationAgent;
+	FirstPersonPlayer* m_Player;
+	godot::NodePath m_PlayerPath;
+	godot::Vector3 m_Velocity;
+	godot::AnimationTree* m_AnimationTree;
+	godot::AnimationNodeStateMachinePlayback* m_StateMachine;
+
+	void set_m_PlayerPath(const godot::NodePath& path);
+	godot::NodePath get_m_PlayerPath() const;
+};
+
+}  // namespace blitz

src/register_types.cpp

@@ -1,8 +1,10 @@
 #include "register_types.h"
 
+#include "Bullet.h"
 #include "FirstPersonPlayer.h"
 #include "Player.h"
 #include "SpringArmPivot.h"
+#include "Zombie.h"
 
 #include <gdextension_interface.h>
 #include <godot_cpp/core/defs.hpp>
@@ -18,6 +20,8 @@ void initialize_example_module(ModuleInitializationLevel p_level) {
 	ClassDB::register_class<blitz::Player>();
 	ClassDB::register_class<blitz::SpringArmPivot>();
 	ClassDB::register_class<blitz::FirstPersonPlayer>();
+	ClassDB::register_class<blitz::Bullet>();
+	ClassDB::register_class<blitz::Zombie>();
 }
 
 void uninitialize_example_module(ModuleInitializationLevel p_level) {