bug animation ???

This reverts commit 4707d85150.

.clang-format

@@ -0,0 +1,37 @@
+Language: Cpp
+BasedOnStyle: LLVM
+
+AlignAfterOpenBracket: DontAlign
+BreakConstructorInitializers: AfterColon
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+PointerAlignment: Left
+SortIncludes: true
+SpacesBeforeTrailingComments: 2
+UseTab: Always
+MaxEmptyLinesToKeep: 5
+
+TabWidth: 4
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+IndentWidth: 4
+IndentCaseLabels: true
+
+ColumnLimit: 135
+AlwaysBreakTemplateDeclarations: Yes
+
+AllowShortFunctionsOnASingleLine: Empty
+BreakBeforeBraces: Custom
+BraceWrapping:
+  AfterClass: false
+  AfterControlStatement: false
+  AfterEnum: false
+  AfterExternBlock: false
+  AfterFunction: false
+  AfterNamespace: false
+  AfterStruct: false
+  AfterUnion: false
+  BeforeCatch: false
+  BeforeElse: false
+  IndentBraces: false
+  SplitEmptyFunction: true
+  SplitEmptyRecord: true

.gitignore

@@ -14,6 +14,7 @@ build/
 *.obj
 *.lib
 *.TMP
+*.import
 
 godot/.godot
 godot/lib

godot/Scenes/Characters/first_person_player.tscn

@@ -0,0 +1,26 @@
+[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"]
+
+[sub_resource type="ConvexPolygonShape3D" id="ConvexPolygonShape3D_qjfxs"]
+points = PackedVector3Array(-0.125207, -0.532801, -0.480507, 0.0227831, 0.47607, 0.498884, 0.169713, 0.559144, 0.464172, 0.231051, -0.803591, 0.320455, 0.40741, 0.651043, -0.243523, -0.482789, 0.594843, 0.0822132, -0.362868, -0.682312, 0.289697, 0.469044, -0.654529, -0.0662713, -0.127444, 0.842701, -0.338103, -0.393435, -0.683942, -0.244717, 0.438255, 0.623309, 0.200849, 0.0841477, 0.977454, 0.114795, -0.0682023, -0.976458, -0.12927, 0.20055, -0.563129, -0.451454, -0.185527, 0.595453, -0.453475, -0.273363, 0.592268, 0.407754, -0.00693649, -0.476823, 0.49966, 0.375821, -0.588614, 0.316955, 0.111579, 0.563059, -0.481177, -0.41725, 0.527866, -0.270497, -0.484546, -0.596972, -0.0665097, -0.279747, 0.908561, 0.0533361, -0.250197, -0.880712, 0.205319, 0.263647, -0.902771, -0.127394, 0.293368, 0.871526, -0.157196, 0.373412, -0.526319, -0.328246, 0.499663, 0.476641, -0.00688856, 0.0531056, 0.875001, 0.324703, -0.154543, -0.590854, 0.465879, -0.0972799, -0.782358, -0.398188, -0.387649, -0.498171, 0.31565, -0.30068, -0.587995, -0.388901)
+
+[node name="FirstPersonPlayer" type="FirstPersonPlayer"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0)
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("CapsuleMesh_ky6st")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
+shape = SubResource("ConvexPolygonShape3D_qjfxs")
+
+[node name="Head" type="Node3D" parent="."]
+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

@@ -0,0 +1,109 @@
+[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"]
+panorama = ExtResource("1_mnexj")
+
+[sub_resource type="Sky" id="Sky_5ngqa"]
+sky_material = SubResource("PanoramaSkyMaterial_6c4vd")
+
+[sub_resource type="Environment" id="Environment_ctwiv"]
+background_mode = 2
+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
+
+[sub_resource type="PlaneMesh" id="PlaneMesh_mmup0"]
+material = SubResource("StandardMaterial3D_ajchh")
+size = Vector2(50, 50)
+
+[sub_resource type="ConcavePolygonShape3D" id="ConcavePolygonShape3D_26ptr"]
+data = PackedVector3Array(25, 0, 25, -25, 0, 25, 25, 0, -25, -25, 0, 25, -25, 0, -25, 25, 0, -25)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_jkvud"]
+albedo_texture = ExtResource("3_ux02w")
+uv1_triplanar = true
+
+[sub_resource type="BoxMesh" id="BoxMesh_plpqy"]
+material = SubResource("StandardMaterial3D_jkvud")
+size = Vector3(10, 3, 1)
+
+[sub_resource type="ConcavePolygonShape3D" id="ConcavePolygonShape3D_v7prx"]
+data = PackedVector3Array(-5, 1.5, 0.5, 5, 1.5, 0.5, -5, -1.5, 0.5, 5, 1.5, 0.5, 5, -1.5, 0.5, -5, -1.5, 0.5, 5, 1.5, -0.5, -5, 1.5, -0.5, 5, -1.5, -0.5, -5, 1.5, -0.5, -5, -1.5, -0.5, 5, -1.5, -0.5, 5, 1.5, 0.5, 5, 1.5, -0.5, 5, -1.5, 0.5, 5, 1.5, -0.5, 5, -1.5, -0.5, 5, -1.5, 0.5, -5, 1.5, -0.5, -5, 1.5, 0.5, -5, -1.5, -0.5, -5, 1.5, 0.5, -5, -1.5, 0.5, -5, -1.5, -0.5, 5, 1.5, 0.5, -5, 1.5, 0.5, 5, 1.5, -0.5, -5, 1.5, 0.5, -5, 1.5, -0.5, 5, 1.5, -0.5, -5, -1.5, 0.5, 5, -1.5, 0.5, -5, -1.5, -0.5, 5, -1.5, 0.5, 5, -1.5, -0.5, -5, -1.5, -0.5)
+
+[sub_resource type="PrismMesh" id="PrismMesh_0l7qq"]
+left_to_right = -2.0
+size = Vector3(5, 5, 5)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_pfpgv"]
+albedo_texture = ExtResource("4_wp15n")
+uv1_triplanar = true
+
+[sub_resource type="ConcavePolygonShape3D" id="ConcavePolygonShape3D_rit6o"]
+data = PackedVector3Array(-12.5, 2.5, 2.5, 2.5, -2.5, 2.5, -2.5, -2.5, 2.5, -12.5, 2.5, -2.5, -2.5, -2.5, -2.5, 2.5, -2.5, -2.5, -12.5, 2.5, 2.5, -12.5, 2.5, -2.5, 2.5, -2.5, 2.5, -12.5, 2.5, -2.5, 2.5, -2.5, -2.5, 2.5, -2.5, 2.5, -12.5, 2.5, -2.5, -12.5, 2.5, 2.5, -2.5, -2.5, -2.5, -12.5, 2.5, 2.5, -2.5, -2.5, 2.5, -2.5, -2.5, -2.5, -2.5, -2.5, 2.5, 2.5, -2.5, 2.5, -2.5, -2.5, -2.5, 2.5, -2.5, 2.5, 2.5, -2.5, -2.5, -2.5, -2.5, -2.5)
+
+[node name="World" type="Node3D"]
+
+[node name="Map" type="Node3D" parent="."]
+
+[node name="WorldEnvironment" type="WorldEnvironment" parent="Map"]
+environment = SubResource("Environment_ctwiv")
+
+[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="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="Map/NavigationRegion3D/Floor"]
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Map/NavigationRegion3D/Floor/StaticBody3D"]
+shape = SubResource("ConcavePolygonShape3D_26ptr")
+
+[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="Map/NavigationRegion3D/Wall"]
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Map/NavigationRegion3D/Wall/StaticBody3D"]
+shape = SubResource("ConcavePolygonShape3D_v7prx")
+
+[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="Map/NavigationRegion3D/Slope"]
+
+[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")]

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/Scripts/Characters/Player.gd

@@ -0,0 +1,63 @@
+extends CharacterBody3D
+
+const LERP_VALUE : float = 0.15
+
+var snap_vector : Vector3 = Vector3.DOWN
+var speed : float
+
+@export_group("Movement variables")
+@export var walk_speed : float = 2.0
+@export var run_speed : float = 5.0
+@export var jump_strength : float = 15.0
+@export var gravity : float = 50.0
+
+const ANIMATION_BLEND : float = 7.0
+
+@onready var player_mesh : Node3D = $Mesh
+@onready var spring_arm_pivot : Node3D = $SpringArmPivot
+@onready var animator : AnimationTree = $AnimationTree
+
+func _physics_process(delta):
+	var move_direction : Vector3 = Vector3.ZERO
+	move_direction.x = Input.get_action_strength("move_right") - Input.get_action_strength("move_left")
+	move_direction.z = Input.get_action_strength("move_backwards") - Input.get_action_strength("move_forwards")
+	move_direction = move_direction.rotated(Vector3.UP, spring_arm_pivot.rotation.y)
+	
+	velocity.y -= gravity * delta
+	
+	if Input.is_action_pressed("run"):
+		speed = run_speed
+	else:
+		speed = walk_speed
+	
+	velocity.x = move_direction.x * speed
+	velocity.z = move_direction.z * speed
+	
+	if move_direction:
+		player_mesh.rotation.y = lerp_angle(player_mesh.rotation.y, atan2(velocity.x, velocity.z), LERP_VALUE)
+	
+	var just_landed := is_on_floor() and snap_vector == Vector3.ZERO
+	var is_jumping := is_on_floor() and Input.is_action_just_pressed("jump")
+	if is_jumping:
+		velocity.y = jump_strength
+		snap_vector = Vector3.ZERO
+	elif just_landed:
+		snap_vector = Vector3.DOWN
+	
+	apply_floor_snap()
+	move_and_slide()
+	animate(delta)
+
+func animate(delta):
+	if is_on_floor():
+		animator.set("parameters/ground_air_transition/transition_request", "grounded")
+		
+		if velocity.length() > 0:
+			if speed == run_speed:
+				animator.set("parameters/iwr_blend/blend_amount", lerp(animator.get("parameters/iwr_blend/blend_amount"), 1.0, delta * ANIMATION_BLEND))
+			else:
+				animator.set("parameters/iwr_blend/blend_amount", lerp(animator.get("parameters/iwr_blend/blend_amount"), 0.0, delta * ANIMATION_BLEND))
+		else:
+			animator.set("parameters/iwr_blend/blend_amount", lerp(animator.get("parameters/iwr_blend/blend_amount"), -1.0, delta * ANIMATION_BLEND))
+	else:
+		animator.set("parameters/ground_air_transition/transition_request", "air")

godot/Scripts/Characters/SpringArmPivot.gd

@@ -0,0 +1,30 @@
+extends Node3D
+
+@export_group("FOV")
+@export var change_fov_on_run : bool
+@export var normal_fov : float = 75.0
+@export var run_fov : float = 90.0
+
+const CAMERA_BLEND : float = 0.05
+
+@onready var spring_arm : SpringArm3D = $SpringArm3D
+@onready var camera : Camera3D = $SpringArm3D/Camera3D
+
+func _ready():
+	Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
+
+func _unhandled_input(event):
+	if event is InputEventMouseMotion:
+		rotate_y(-event.relative.x * 0.005)
+		spring_arm.rotate_x(-event.relative.y * 0.005)
+		spring_arm.rotation.x = clamp(spring_arm.rotation.x, -PI/4, PI/4)
+
+func _physics_process(_delta):
+	if change_fov_on_run:
+		if owner.is_on_floor():
+			if Input.is_action_pressed("run"):
+				camera.fov = lerp(camera.fov, run_fov, CAMERA_BLEND)
+			else:
+				camera.fov = lerp(camera.fov, normal_fov, CAMERA_BLEND)
+		else:
+			camera.fov = lerp(camera.fov, normal_fov, CAMERA_BLEND)

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/icon.svg

@@ -1 +1 @@
-<svg height="128" width="128" xmlns="http://www.w3.org/2000/svg"><rect x="2" y="2" width="124" height="124" rx="14" fill="#363d52" stroke="#212532" stroke-width="4"/><g transform="scale(.101) translate(122 122)"><g fill="#fff"><path d="M105 673v33q407 354 814 0v-33z"/><path d="m105 673 152 14q12 1 15 14l4 67 132 10 8-61q2-11 15-15h162q13 4 15 15l8 61 132-10 4-67q3-13 15-14l152-14V427q30-39 56-81-35-59-83-108-43 20-82 47-40-37-88-64 7-51 8-102-59-28-123-42-26 43-46 89-49-7-98 0-20-46-46-89-64 14-123 42 1 51 8 102-48 27-88 64-39-27-82-47-48 49-83 108 26 42 56 81zm0 33v39c0 276 813 276 814 0v-39l-134 12-5 69q-2 10-14 13l-162 11q-12 0-16-11l-10-65H446l-10 65q-4 11-16 11l-162-11q-12-3-14-13l-5-69z" fill="#478cbf"/><path d="M483 600c0 34 58 34 58 0v-86c0-34-58-34-58 0z"/><circle cx="725" cy="526" r="90"/><circle cx="299" cy="526" r="90"/></g><g fill="#414042"><circle cx="307" cy="532" r="60"/><circle cx="717" cy="532" r="60"/></g></g></svg>
+<svg height="128" width="128" xmlns="http://www.w3.org/2000/svg"><rect x="2" y="2" width="124" height="124" rx="14" fill="#363d52" stroke="#212532" stroke-width="4"/><g transform="scale(.101) translate(122 122)"><g fill="#fff"><path d="M105 673v33q407 354 814 0v-33z"/><path fill="#478cbf" d="m105 673 152 14q12 1 15 14l4 67 132 10 8-61q2-11 15-15h162q13 4 15 15l8 61 132-10 4-67q3-13 15-14l152-14V427q30-39 56-81-35-59-83-108-43 20-82 47-40-37-88-64 7-51 8-102-59-28-123-42-26 43-46 89-49-7-98 0-20-46-46-89-64 14-123 42 1 51 8 102-48 27-88 64-39-27-82-47-48 49-83 108 26 42 56 81zm0 33v39c0 276 813 276 813 0v-39l-134 12-5 69q-2 10-14 13l-162 11q-12 0-16-11l-10-65H447l-10 65q-4 11-16 11l-162-11q-12-3-14-13l-5-69z"/><path d="M483 600c3 34 55 34 58 0v-86c-3-34-55-34-58 0z"/><circle cx="725" cy="526" r="90"/><circle cx="299" cy="526" r="90"/></g><g fill="#414042"><circle cx="307" cy="532" r="60"/><circle cx="717" cy="532" r="60"/></g></g></svg>

godot/icon.svg.import

@@ -1,37 +0,0 @@
-[remap]
-
-importer="texture"
-type="CompressedTexture2D"
-uid="uid://cuend5rtkhbnp"
-path="res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.ctex"
-metadata={
-"vram_texture": false
-}
-
-[deps]
-
-source_file="res://icon.svg"
-dest_files=["res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.ctex"]
-
-[params]
-
-compress/mode=0
-compress/high_quality=false
-compress/lossy_quality=0.7
-compress/hdr_compression=1
-compress/normal_map=0
-compress/channel_pack=0
-mipmaps/generate=false
-mipmaps/limit=-1
-roughness/mode=0
-roughness/src_normal=""
-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=1
-svg/scale=1.0
-editor/scale_with_editor_scale=false
-editor/convert_colors_with_editor_theme=false

godot/main.tscn

@@ -1,10 +0,0 @@
-[gd_scene load_steps=2 format=3 uid="uid://uiwigxsdnci1"]
-
-[ext_resource type="Texture2D" uid="uid://cuend5rtkhbnp" path="res://icon.svg" id="1_q81dj"]
-
-[node name="Node2D" type="Node2D"]
-
-[node name="GDExample" type="GDExample" parent="."]
-position = Vector2(5.20978, 6.34048)
-texture = ExtResource("1_q81dj")
-centered = false

godot/project.godot

@@ -11,6 +11,49 @@ config_version=5
 [application]
 
 config/name="Blitz3"
-run/main_scene="res://main.tscn"
+run/main_scene="res://Scenes/Levels/world.tscn"
 config/features=PackedStringArray("4.2", "Forward Plus")
 config/icon="res://icon.svg"
+
+[input]
+
+move_left={
+"deadzone": 0.5,
+"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":65,"key_label":0,"unicode":97,"echo":false,"script":null)
+]
+}
+move_right={
+"deadzone": 0.5,
+"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":68,"key_label":0,"unicode":100,"echo":false,"script":null)
+]
+}
+move_forwards={
+"deadzone": 0.5,
+"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":87,"key_label":0,"unicode":119,"echo":false,"script":null)
+]
+}
+move_backwards={
+"deadzone": 0.5,
+"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":83,"key_label":0,"unicode":115,"echo":false,"script":null)
+]
+}
+sprint={
+"deadzone": 0.5,
+"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":4194325,"key_label":0,"unicode":0,"echo":false,"script":null)
+]
+}
+jump={
+"deadzone": 0.5,
+"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":32,"key_label":0,"unicode":32,"echo":false,"script":null)
+]
+}
+escape={
+"deadzone": 0.5,
+"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

@@ -0,0 +1,159 @@
+#include "FirstPersonPlayer.h"
+
+#include <godot_cpp/classes/engine.hpp>
+#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;
+
+namespace blitz {
+
+static constexpr float WALK_SPEED = 5.0f;
+static constexpr float SPRINT_SPEED = 7.0f;
+
+static constexpr float JUMP_VELOCITY = 4.5f;
+
+static constexpr float GRAVITY = 9.81f;
+
+static constexpr float SENSITIVITY = 0.003f;
+
+static constexpr float BOB_FREQ = 2.0f;
+static constexpr float BOB_AMP = 0.08f;
+
+static constexpr float AIR_MOVEMENT = 3.0f;
+
+static constexpr float GROUND_FRICTION = 7.0f;
+
+static constexpr float BASE_FOV = 75.0f;
+static constexpr float FOV_CHANGE = 1.5f;
+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) {}
+
+FirstPersonPlayer::~FirstPersonPlayer() {}
+
+void FirstPersonPlayer::_ready() {
+	InputMap::get_singleton()->load_from_project_settings();
+	if (!Engine::get_singleton()->is_editor_hint()) {
+		Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_CAPTURED);
+	}
+	m_Head = Object::cast_to<Node3D>(find_child("Head"));
+	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) {
+	auto* event = Object::cast_to<InputEventMouseMotion>(a_Event.ptr());
+	if (event)
+		UpdateCamera(*event);
+
+	// TODO: remove
+	if (Input::get_singleton()->is_action_just_pressed("escape")) {
+		Input::MouseMode current = Input::get_singleton()->get_mouse_mode();
+		Input::get_singleton()->set_mouse_mode(
+			(current == Input::MOUSE_MODE_CAPTURED) ? Input::MOUSE_MODE_VISIBLE : Input::MOUSE_MODE_CAPTURED);
+	}
+}
+
+void FirstPersonPlayer::_physics_process(float a_Delta) {
+#if DEBUG_ENABLED
+	if (Engine::get_singleton()->is_editor_hint()) {
+		return;
+	}
+#endif
+
+	auto* Input = Input::get_singleton();
+
+	if (!is_on_floor())
+		set_velocity(get_velocity() - Vector3{0, GRAVITY * a_Delta, 0});
+
+	if (Input->is_action_pressed("jump") && is_on_floor())
+		set_velocity({get_velocity().x, JUMP_VELOCITY, get_velocity().z});
+
+	m_Speed = Input->is_action_pressed("sprint") ? SPRINT_SPEED : WALK_SPEED;
+
+	UpdatePosition(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();
+}
+
+void FirstPersonPlayer::UpdateBobbing(float a_Delta) {
+	m_BobTime += a_Delta * get_velocity().length() * is_on_floor();
+
+	Vector3 newPos{static_cast<float>(Math::cos(m_BobTime * BOB_FREQ / 2.0) * BOB_AMP),
+		static_cast<float>(Math::sin(m_BobTime * BOB_FREQ) * BOB_AMP), 0};
+
+	m_Camera->set_transform({m_Camera->get_transform().basis, newPos});
+}
+
+void FirstPersonPlayer::UpdateCamera(const InputEventMouseMotion& a_Event) {
+	m_Head->rotate_y(-a_Event.get_relative().x * SENSITIVITY);
+	m_Camera->rotate_x(-a_Event.get_relative().y * SENSITIVITY);
+
+	float rotationX = m_Camera->get_rotation().x;
+	CLAMP(rotationX, Math::deg_to_rad(-40.0), Math::deg_to_rad(60.0));
+	m_Camera->set_rotation({rotationX, get_rotation().y, get_rotation().z});
+}
+
+void FirstPersonPlayer::UpdatePosition(float delta) {
+	auto* Input = Input::get_singleton();
+
+	Vector2 inputDirection = Input->get_vector("move_left", "move_right", "move_forwards", "move_backwards");
+	Vector3 direction = (m_Head->get_transform().basis.xform(Vector3(inputDirection.x, 0, inputDirection.y))).normalized();
+
+	if (is_on_floor()) {
+		if (!direction.is_zero_approx()) {
+			set_velocity({direction.x * m_Speed, get_velocity().y, direction.z * m_Speed});
+		} else {
+			set_velocity({Math::lerp(static_cast<float>(get_velocity().x), static_cast<float>(direction.x * m_Speed),
+							  static_cast<float>(delta * GROUND_FRICTION)),
+				get_velocity().y,
+				Math::lerp(static_cast<float>(get_velocity().z), static_cast<float>(direction.z * m_Speed),
+					static_cast<float>(delta * GROUND_FRICTION))});
+		}
+	} else {
+		set_velocity({Math::lerp(static_cast<float>(get_velocity().x), static_cast<float>(direction.x * m_Speed),
+						  static_cast<float>(delta * AIR_MOVEMENT)),
+			get_velocity().y,
+			Math::lerp(static_cast<float>(get_velocity().z), static_cast<float>(direction.z * m_Speed),
+				static_cast<float>(delta * AIR_MOVEMENT))});
+	}
+}
+
+void FirstPersonPlayer::UpdateFOV(float a_Delta) {
+	float velocityClamped = Math::clamp(get_velocity().length(), MIN_FOV_VELOCITY, MAX_FOV_VELOCITY);
+	float targetFOV = BASE_FOV + FOV_CHANGE * velocityClamped;
+	m_Camera->set_fov(Math::lerp(m_Camera->get_fov(), targetFOV, a_Delta * FOV_TRANSITION));
+}
+
+}  // namespace blitz

src/FirstPersonPlayer.h

@@ -0,0 +1,44 @@
+#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 {
+
+class FirstPersonPlayer : public godot::CharacterBody3D {
+	GDCLASS(FirstPersonPlayer, godot::CharacterBody3D)
+  protected:
+	static void _bind_methods();
+
+  public:
+	FirstPersonPlayer();
+	~FirstPersonPlayer();
+
+	// Godot overrides
+	void _unhandled_input(const godot::Ref<godot::InputEvent>&);
+	void _physics_process(float delta);
+	void _ready();
+
+  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;
+
+	void UpdateBobbing(float delta);
+	void UpdateFOV(float delta);
+	void UpdateCamera(const godot::InputEventMouseMotion&);
+	void UpdatePosition(float delta);
+};
+
+}  // namespace blitz

src/Player.cpp

@@ -0,0 +1,111 @@
+#include "Player.h"
+
+#include <godot_cpp/classes/engine.hpp>
+#include <godot_cpp/classes/input.hpp>
+#include <godot_cpp/classes/input_map.hpp>
+#include <godot_cpp/core/class_db.hpp>
+#include <godot_cpp/variant/utility_functions.hpp>
+
+static const float WalkSpeed = 2.0;
+static const float RunSpeed = 5.0;
+static const float JumpStrength = 15.0;
+static const float Gravity = 50.0;
+
+static const float LerpValue = 0.15;
+static const float AnimationBlend = 7.0;
+
+namespace blitz {
+
+void Player::_bind_methods() {}
+
+Player::Player() {}
+Player::~Player() {}
+
+void Player::_ready() {
+	godot::InputMap::get_singleton()->load_from_project_settings();
+	m_PlayerMesh = Object::cast_to<godot::Node3D>(get_child(0));
+	m_SpringArmPivot = Object::cast_to<godot::Node3D>(get_child(2));
+	m_AnimationTree = Object::cast_to<godot::AnimationTree>(get_child(4));
+	DEV_ASSERT(m_PlayerMesh);
+	DEV_ASSERT(m_SpringArmPivot);
+	DEV_ASSERT(m_AnimationTree);
+
+	apply_floor_snap();
+	animate(0);
+}
+
+void Player::_physics_process(float delta) {
+	if (godot::Engine::get_singleton()->is_editor_hint())
+		return;
+
+
+	auto* Input = godot::Input::get_singleton();
+	godot::Vector3 move_direction{0, 0, 0};
+	move_direction.x = Input->get_action_strength("move_right") - Input->get_action_strength("move_left");
+	move_direction.z = Input->get_action_strength("move_backwards") - Input->get_action_strength("move_forwards");
+	move_direction = move_direction.rotated({0, 1, 0}, m_SpringArmPivot->get_rotation().y);
+
+	godot::Vector3 newVelocity = get_velocity();
+	newVelocity.y -= Gravity * delta;
+	set_velocity(newVelocity);
+
+
+
+	if (Input->is_action_pressed("run"))
+		m_Speed = RunSpeed;
+	else
+		m_Speed = WalkSpeed;
+
+	newVelocity = get_velocity();
+	newVelocity.x = move_direction.x * m_Speed;
+	newVelocity.z = move_direction.z * m_Speed;
+	set_velocity(newVelocity);
+
+	if (move_direction != godot::Vector3{0, 0, 0}) {
+		godot::Vector3 newRotation = m_PlayerMesh->get_rotation();
+		newRotation.y = godot::UtilityFunctions::lerp_angle(
+			newRotation.y, godot::UtilityFunctions::atan2(get_velocity().x, get_velocity().z), LerpValue);
+		m_PlayerMesh->set_rotation(newRotation);
+	}
+
+	bool justLanded = is_on_floor() && m_SnapVector == godot::Vector3{0, 0, 0};
+	bool isJumping = is_on_floor() && Input->is_action_just_pressed("jump");
+
+	if (isJumping) {
+		newVelocity = get_velocity();
+		newVelocity.y = JumpStrength;
+		set_velocity(newVelocity);
+		m_SnapVector.zero();
+	} else if (justLanded) {
+		m_SnapVector = {0, -1, 0};
+	}
+
+	apply_floor_snap();
+	move_and_slide();
+	animate(delta);
+}
+
+void Player::animate(float delta) {
+	if (is_on_floor()) {
+		m_AnimationTree->set("parameters/ground_air_transition/transition_request", "grounded");
+
+		if (get_velocity().length() > 0) {
+			if (m_Speed == RunSpeed) {
+				m_AnimationTree->set("parameters/iwr_blend/blend_amount",
+					godot::UtilityFunctions::lerp(
+						m_AnimationTree->get("parameters/iwr_blend/blend_amount"), 1.0, delta * AnimationBlend));
+			} else {
+				m_AnimationTree->set("parameters/iwr_blend/blend_amount",
+					godot::UtilityFunctions::lerp(
+						m_AnimationTree->get("parameters/iwr_blend/blend_amount"), 0.0, delta * AnimationBlend));
+			}
+		} else {
+			m_AnimationTree->set("parameters/iwr_blend/blend_amount",
+				godot::UtilityFunctions::lerp(
+					m_AnimationTree->get("parameters/iwr_blend/blend_amount"), -1.0, delta * AnimationBlend));
+		}
+	} else {
+		m_AnimationTree->set("parameters/ground_air_transition/transition_request", "air");
+	}
+}
+}  // namespace blitz

src/Player.h

@@ -0,0 +1,37 @@
+#pragma once
+
+#include <godot_cpp/classes/animation_tree.hpp>
+#include <godot_cpp/classes/character_body3d.hpp>
+#include <godot_cpp/classes/node3d.hpp>
+
+namespace blitz {
+class Player : public godot::CharacterBody3D {
+
+	GDCLASS(Player, godot::CharacterBody3D);
+
+  protected:
+	static void _bind_methods();
+
+  public:
+	Player();
+	~Player();
+
+	void _ready();
+	void _physics_process(float delta);
+	void animate(float delta);
+
+  private:
+	godot::Node3D* m_PlayerMesh;
+	godot::Node3D* m_SpringArmPivot;
+	godot::AnimationTree* m_AnimationTree;
+
+	godot::Vector3 m_SnapVector;
+	float m_Speed;
+	/*
+	@onready var player_mesh : Node3D = $Mesh
+@onready var spring_arm_pivot : Node3D = $SpringArmPivot
+@onready var animator : AnimationTree = $AnimationTree
+
+	*/
+};
+}  // namespace blitz

src/SpringArmPivot.cpp

@@ -0,0 +1,65 @@
+#include "SpringArmPivot.h"
+
+#include "Player.h"
+#include <godot_cpp/classes/engine.hpp>
+#include <godot_cpp/classes/input.hpp>
+#include <godot_cpp/classes/input_event_mouse_motion.hpp>
+#include <godot_cpp/classes/spring_arm3d.hpp>
+#include <godot_cpp/core/error_macros.hpp>
+#include <godot_cpp/core/math.hpp>
+#include <godot_cpp/variant/utility_functions.hpp>
+
+static const float NormalFov = 75.0;
+static const float RunFov = 90.0;
+static const float CameraBlend = 0.05;
+
+namespace blitz {
+
+void SpringArmPivot::_bind_methods() {
+	godot::ClassDB::bind_method(godot::D_METHOD("get_dynfov"), &SpringArmPivot::IsFovDynamic);
+	godot::ClassDB::bind_method(godot::D_METHOD("set_dynfov", "dynamic_fov"), &SpringArmPivot::SetDynamicFov);
+	ADD_PROPERTY(godot::PropertyInfo(godot::Variant::BOOL, "dynamic_fov"), "set_dynfov", "get_dynfov");
+}
+
+SpringArmPivot::SpringArmPivot() {}
+
+SpringArmPivot::~SpringArmPivot() {}
+
+void SpringArmPivot::_ready() {
+	m_SpringArm = Object::cast_to<godot::SpringArm3D>(get_child(0));
+	m_Camera = Object::cast_to<godot::Camera3D>(m_SpringArm->get_child(0));
+	DEV_ASSERT(m_SpringArm);
+	DEV_ASSERT(m_Camera);
+	if (!godot::Engine::get_singleton()->is_editor_hint()) {
+		godot::Input::get_singleton()->set_mouse_mode(godot::Input::MOUSE_MODE_CAPTURED);
+	}
+}
+
+void SpringArmPivot::_unhandled_input(const godot::Ref<godot::InputEvent>& p_event) {
+	auto* event = Object::cast_to<godot::InputEventMouseMotion>(p_event.ptr());
+	if (event) {
+		rotate_y(-event->get_relative().x * 0.005);
+		m_SpringArm->rotate_x(-event->get_relative().y * 0.005);
+
+		godot::Vector3 rotationClamped = m_SpringArm->get_rotation();
+		rotationClamped.x = godot::UtilityFunctions::clamp(rotationClamped.x, -Math_PI / 4, Math_PI / 4);
+		m_SpringArm->set_rotation(rotationClamped);
+	}
+}
+
+void SpringArmPivot::_physics_process(float delta) {
+	if (m_DynamicFOV) {
+		auto* parent = Object::cast_to<Player>(get_owner());
+		if (parent->is_on_floor()) {
+			if (godot::Input::get_singleton()->is_action_pressed("run")) {
+				m_Camera->set_fov(godot::UtilityFunctions::lerp(m_Camera->get_fov(), RunFov, CameraBlend));
+			} else {
+				m_Camera->set_fov(godot::UtilityFunctions::lerp(m_Camera->get_fov(), NormalFov, CameraBlend));
+			}
+		} else {
+			m_Camera->set_fov(godot::UtilityFunctions::lerp(m_Camera->get_fov(), NormalFov, CameraBlend));
+		}
+	}
+}
+
+}  // namespace blitz

src/SpringArmPivot.h

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <godot_cpp/classes/input_event.hpp>
+#include <godot_cpp/classes/node3d.hpp>
+#include <godot_cpp/classes/spring_arm3d.hpp>
+#include <godot_cpp/classes/camera3d.hpp>
+
+namespace blitz {
+class SpringArmPivot : public godot::Node3D {
+
+	GDCLASS(SpringArmPivot, godot::Node3D);
+
+  protected:
+	static void _bind_methods();
+
+  public:
+	SpringArmPivot();
+	~SpringArmPivot();
+
+	void _ready();
+	void _unhandled_input(const godot::Ref<godot::InputEvent>& p_event);
+	void _physics_process(float delta);
+
+	void SetDynamicFov(bool fov) {
+		m_DynamicFOV = fov;
+	}
+
+	bool IsFovDynamic() const {
+		return m_DynamicFOV;
+	}
+
+  private:
+	godot::SpringArm3D* m_SpringArm;
+	godot::Camera3D* m_Camera;
+
+	bool m_DynamicFOV = false;
+};
+}  // namespace blitz

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/gdexample.cpp

@@ -1,28 +0,0 @@
-
-#include "gdexample.h"
-#include <godot_cpp/core/class_db.hpp>
-
-using namespace godot;
-
-void GDExample::_bind_methods() {
-    // ClassDB::bind_method(D_METHOD("_process", "delta"), &GDExample::_process);
-}
-
-GDExample::GDExample()
-{
-    time_passed = 0.0;
-    
-}
-
-GDExample::~GDExample() {}
-
-void GDExample::_process(float delta)
-{
-    time_passed += delta;
-
-    auto new_position = Vector2(
-        10.0 + (10.0 * sin(time_passed * 2.0)),
-        10.0 + (10.0 * cos(time_passed * 1.5)));
-
-    set_position(new_position);
-}

src/gdexample.h

@@ -1,24 +0,0 @@
-#ifndef GDEXAMPLE_H
-#define GDEXAMPLE_H
-
-#include <godot_cpp/classes/sprite2d.hpp>
-
-namespace godot
-{
-    class GDExample : public Sprite2D
-    {
-        GDCLASS(GDExample, Sprite2D)
-    private:
-        double time_passed;
-
-    protected:
-        static void _bind_methods();
-
-    public:
-        GDExample();
-        ~GDExample();
-
-        void _process(float delta);
-    };
-}
-#endif

src/register_types.cpp

@@ -1,6 +1,10 @@
 #include "register_types.h"
 
-#include "gdexample.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>
@@ -8,37 +12,31 @@
 
 using namespace godot;
 
-void initialize_example_module(ModuleInitializationLevel p_level)
-{
-    if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE)
-    {
-        return;
-    }
+void initialize_example_module(ModuleInitializationLevel p_level) {
+	if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE) {
+		return;
+	}
 
-    ClassDB::register_class<GDExample>();
+	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)
-{
-    if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE)
-    {
-        return;
-    }
+void uninitialize_example_module(ModuleInitializationLevel p_level) {
+	if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE) {
+		return;
+	}
 }
 
-extern "C"
-{
-    GDExtensionBool GDE_EXPORT library_init(
-        GDExtensionInterfaceGetProcAddress p_get_proc,
-        const GDExtensionClassLibraryPtr p_library,
-        GDExtensionInitialization *r_initialization)
-    {
-        godot::GDExtensionBinding::InitObject init_obj(p_get_proc, p_library, r_initialization);
+extern "C" GDExtensionBool GDE_EXPORT library_init(GDExtensionInterfaceGetProcAddress p_get_proc,
+	const GDExtensionClassLibraryPtr p_library, GDExtensionInitialization* r_initialization) {
+	godot::GDExtensionBinding::InitObject init_obj(p_get_proc, p_library, r_initialization);
 
-        init_obj.register_initializer(initialize_example_module);
-        init_obj.register_terminator(uninitialize_example_module);
-        init_obj.set_minimum_library_initialization_level(MODULE_INITIALIZATION_LEVEL_SCENE);
+	init_obj.register_initializer(initialize_example_module);
+	init_obj.register_terminator(uninitialize_example_module);
+	init_obj.set_minimum_library_initialization_level(MODULE_INITIALIZATION_LEVEL_SCENE);
 
-        return init_obj.init();
-    }
-}
+	return init_obj.init();
+}

xmake/target.lua

@@ -1,3 +1,9 @@
+
+if is_mode("debug") then
+    add_defines("DEBUG_ENABLED")
+end
+
+
 -- more on https://xmake.io/#/manual/project_target
 target(PROJECT_NAME)
     set_kind("shared")
@@ -35,8 +41,9 @@ target(PROJECT_NAME)
     on_run(
         (function(godot_project_folder)
             return function(target)
-                os.execv("echo", {"godot --path", godot_project_folder})
-                os.exec("godot --path " .. godot_project_folder)
+                local cmd = format("godot --path %s", godot_project_folder)
+                os.execv("echo", {cmd})
+                os.exec(cmd)
             end
         end)(GODOT_PROJECT_FOLDER)
     )

xmake/tasks.lua

@@ -6,7 +6,7 @@
 --  target_platform: the target platform, like "Windows Desktop"
 --  name: the export execute name, it will be endswith ".exe" on windows
 task("export")
-    on_run((function(godot_project_folder, publish_folder, project_name) 
+    on_run((function(godot_project_folder, publish_folder, project_name)
         return function(target_platform)
             local name = godot_project_folder
             
@@ -37,8 +37,10 @@ task("export")
 
             local export_path = path.absolute(path.join(publish_folder, project_name))
 
-            os.execv("echo", {"godot", godot_project_file, export_mode, target_platform, export_path})
-            os.exec("godot %s --headless --%s %s %s", godot_project_file, export_mode, "\"" .. target_platform .. "\"", export_path)
+            local cmd = format("godot %s --headless --%s %s %s", godot_project_file, export_mode, "\"" .. target_platform .. "\"", export_path)
+
+            os.execv("echo", {cmd})
+            os.exec(cmd)
         end
     
     end)(GODOT_PROJECT_FOLDER, PUBLISH_FOLDER, PROJECT_NAME))
@@ -202,3 +204,22 @@ android.release.arm64 = "res://lib/libProjectName.android_release_arm64.so"
         description = "Generate gdextension file",
     }
 task_end()
+
+
+task("import-assets")
+    on_run((function(godot_project_folder, project_name)
+        return function ()
+            local godot_project_file = path.join(godot_project_folder, "project.godot")
+
+            local cmd = format("godot --headless --import %s", godot_project_file)
+            os.execv("echo", {cmd})
+            os.exec(cmd)
+        end
+    end)(GODOT_PROJECT_FOLDER, PROJECT_NAME))
+
+    set_menu {
+        usage = "xmake import-assets",
+
+        description = "Import project assets",
+    }
+task_end()