bug animation ???

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" 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://bcawyy7lmwphr" 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 +60,50 @@ 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="."]
+[node name="DirectionalLight3D" type="DirectionalLight3D" parent="Map"]
-transform = Transform3D(-0.866026, -0.433013, 0.249999, 0.5, -0.75, 0.433012, -1.3411e-07, 0.499999, 0.866026, 0, 0, 0)
+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="FirstPersonPlayer" parent="." instance=ExtResource("5_8ctht")]

src/Zombie.cpp

@@ -0,0 +1,60 @@
+#include "Zombie.h"
+
+#include <godot_cpp/classes/engine.hpp>
+#include <godot_cpp/variant/utility_functions.hpp>
+
+using namespace godot;
+
+namespace blitz {
+
+static constexpr float SPEED = 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_Velocity = Vector3(0, 0, 0);
+}
+
+void Zombie::_process(float a_Delta) {
+#if DEBUG_ENABLED
+	if (Engine::get_singleton()->is_editor_hint()) {
+		return;
+	}
+#endif
+    this->set_velocity(m_Velocity);
+	m_NavigationAgent->set_target_position(m_Player->get_global_position());
+	Vector3 next_nav_point = m_NavigationAgent->get_next_path_position();
+	m_Velocity = (next_nav_point - get_global_position()).normalized() * SPEED;
+    this->set_velocity(m_Velocity);
+    look_at(Vector3(m_Player->get_global_position().x, get_global_position().y, m_Player->get_global_position().z), Vector3(0, 1, 0));
+	move_and_slide();
+}
+
+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 +1,33 @@
+#pragma once
+
+#include <godot_cpp/classes/character_body3d.hpp>
+#include <godot_cpp/classes/navigation_agent3d.hpp>
+#include <godot_cpp/variant/node_path.hpp>
+#include "FirstPersonPlayer.h"
+
+
+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);
+
+  private:
+	godot::NavigationAgent3D* m_NavigationAgent;
+	FirstPersonPlayer* m_Player;
+	godot::NodePath m_PlayerPath;
+	godot::Vector3 m_Velocity;
+
+	void set_m_PlayerPath(const godot::NodePath& path);
+
+	godot::NodePath get_m_PlayerPath() const;
+};
+
+}  // namespace blitz

src/register_types.cpp

@@ -4,6 +4,7 @@
 #include "FirstPersonPlayer.h"
 #include "Player.h"
 #include "SpringArmPivot.h"
+#include "Zombie.h"
 
 #include <gdextension_interface.h>
 #include <godot_cpp/core/defs.hpp>
@@ -20,6 +21,7 @@ void initialize_example_module(ModuleInitializationLevel p_level) {
 	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) {