add music and synchronize animation to it

assets/music/test.mp3.import

@@ -0,0 +1,19 @@
+[remap]
+
+importer="mp3"
+type="AudioStreamMP3"
+uid="uid://dkk50judgj5ky"
+path="res://.godot/imported/test.mp3-570869566ae53ec072dfce8ac7fafc25.mp3str"
+
+[deps]
+
+source_file="res://assets/music/test.mp3"
+dest_files=["res://.godot/imported/test.mp3-570869566ae53ec072dfce8ac7fafc25.mp3str"]
+
+[params]
+
+loop=true
+loop_offset=0.0
+bpm=90.0
+beat_count=0
+bar_beats=4

default_bus_layout.tres

@@ -0,0 +1,16 @@
+[gd_resource type="AudioBusLayout" format=3 uid="uid://c7ofyshumd62f"]
+
+[resource]
+bus/0/volume_db = -34.9953
+bus/1/name = &"Music"
+bus/1/solo = false
+bus/1/mute = false
+bus/1/bypass_fx = false
+bus/1/volume_db = 0.0
+bus/1/send = &"Master"
+bus/2/name = &"SFX"
+bus/2/solo = false
+bus/2/mute = false
+bus/2/bypass_fx = false
+bus/2/volume_db = 0.0
+bus/2/send = &"Master"

project.godot

@@ -27,6 +27,7 @@ Inputer="*res://scripts/globals/inputer.gd"
 Debugger="*res://scenes/debugger.tscn"
 Settings="*res://scripts/globals/settings.gd"
 Cursor="*res://scenes/ui/cursor.tscn"
+Music="*res://scenes/music.tscn"
 
 [debug]
 

resources/animations/batrix_anim_tree.tres

@@ -0,0 +1,40 @@
+[gd_resource type="AnimationNodeBlendTree" load_steps=8 format=3 uid="uid://dhclwpxlgqerd"]
+
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_tes4q"]
+animation = &"+idle_L"
+
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_rdhgj"]
+animation = &"+idle_R"
+
+[sub_resource type="AnimationNodeStateMachineTransition" id="AnimationNodeStateMachineTransition_tdamk"]
+advance_mode = 2
+
+[sub_resource type="AnimationNodeStateMachineTransition" id="AnimationNodeStateMachineTransition_gk5g1"]
+reset = false
+switch_mode = 1
+advance_mode = 2
+advance_condition = &"side_L"
+
+[sub_resource type="AnimationNodeStateMachineTransition" id="AnimationNodeStateMachineTransition_v3m8c"]
+reset = false
+switch_mode = 1
+advance_mode = 2
+advance_condition = &"side_R"
+
+[sub_resource type="AnimationNodeStateMachine" id="AnimationNodeStateMachine_yk01a"]
+states/+idle_L/node = SubResource("AnimationNodeAnimation_tes4q")
+states/+idle_L/position = Vector2(351, 62)
+states/+idle_R/node = SubResource("AnimationNodeAnimation_rdhgj")
+states/+idle_R/position = Vector2(351, 169)
+transitions = ["Start", "+idle_L", SubResource("AnimationNodeStateMachineTransition_tdamk"), "+idle_R", "+idle_L", SubResource("AnimationNodeStateMachineTransition_gk5g1"), "+idle_L", "+idle_R", SubResource("AnimationNodeStateMachineTransition_v3m8c")]
+
+[sub_resource type="AnimationNodeTimeScale" id="AnimationNodeTimeScale_5rfjp"]
+
+[resource]
+graph_offset = Vector2(-257.59, 46.1947)
+nodes/idle_machine/node = SubResource("AnimationNodeStateMachine_yk01a")
+nodes/idle_machine/position = Vector2(240, 120)
+nodes/main_time_scale/node = SubResource("AnimationNodeTimeScale_5rfjp")
+nodes/main_time_scale/position = Vector2(540, 80)
+nodes/output/position = Vector2(780, 100)
+node_connections = [&"main_time_scale", 0, &"idle_machine", &"output", 0, &"main_time_scale"]

resources/animations/player_animations.tres

@@ -1,37 +0,0 @@
-[gd_resource type="AnimationLibrary" load_steps=3 format=3 uid="uid://81cl401rtu7a"]
-
-[sub_resource type="Animation" id="Animation_ni72j"]
-resource_name = "+idle_L"
-length = 1.2
-loop_mode = 1
-tracks/0/type = "animation"
-tracks/0/imported = false
-tracks/0/enabled = true
-tracks/0/path = NodePath("Model/AnimationPlayer")
-tracks/0/interp = 1
-tracks/0/loop_wrap = true
-tracks/0/keys = {
-"clips": PackedStringArray("+idle_L"),
-"times": PackedFloat32Array(0)
-}
-
-[sub_resource type="Animation" id="Animation_tn82g"]
-resource_name = "+idle_R"
-length = 1.2
-loop_mode = 1
-tracks/0/type = "animation"
-tracks/0/imported = false
-tracks/0/enabled = true
-tracks/0/path = NodePath("Model/AnimationPlayer")
-tracks/0/interp = 1
-tracks/0/loop_wrap = true
-tracks/0/keys = {
-"clips": PackedStringArray("+idle_R"),
-"times": PackedFloat32Array(0)
-}
-
-[resource]
-_data = {
-"+idle_L": SubResource("Animation_ni72j"),
-"+idle_R": SubResource("Animation_tn82g")
-}

scenes/music.tscn

@@ -0,0 +1,12 @@
+[gd_scene load_steps=3 format=3 uid="uid://d6i010g7vf62"]
+
+[ext_resource type="AudioStream" uid="uid://dkk50judgj5ky" path="res://assets/music/test.mp3" id="1_xuvjf"]
+[ext_resource type="Script" path="res://scripts/globals/music.gd" id="2_h5nik"]
+
+[node name="Music" type="AudioStreamPlayer"]
+process_mode = 3
+process_priority = -100
+process_physics_priority = -100
+stream = ExtResource("1_xuvjf")
+bus = &"Music"
+script = ExtResource("2_h5nik")

scenes/player.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=32 format=3 uid="uid://b73y71y3efmv"]
+[gd_scene load_steps=25 format=3 uid="uid://b73y71y3efmv"]
 
 [ext_resource type="Script" path="res://scripts/player/player.gd" id="1_xt3i8"]
 [ext_resource type="Material" uid="uid://cc18ee0wbfoud" path="res://resources/materials/debug/debug_player.tres" id="2_0p422"]
@@ -7,41 +7,12 @@
 [ext_resource type="Script" path="res://scripts/player/player_animator.gd" id="4_adlgp"]
 [ext_resource type="Script" path="res://scripts/effects/discrete_animation_player.gd" id="4_i3gf3"]
 [ext_resource type="Material" uid="uid://bdi02rpvdukem" path="res://resources/materials/debug/debug_attack.tres" id="4_ll2ct"]
-[ext_resource type="AnimationLibrary" uid="uid://81cl401rtu7a" path="res://resources/animations/player_animations.tres" id="5_y0ods"]
+[ext_resource type="AnimationNodeBlendTree" uid="uid://dhclwpxlgqerd" path="res://resources/animations/batrix_anim_tree.tres" id="5_mq40n"]
 [ext_resource type="Script" path="res://scripts/effects/bone_to_flatten.gd" id="6_cumn2"]
 [ext_resource type="Script" path="res://scripts/effects/bone_flattener.gd" id="6_iug5b"]
 [ext_resource type="PackedScene" uid="uid://c8gqrealje3o" path="res://scenes/effects/shadow_decal.tscn" id="9_vgb3d"]
 [ext_resource type="Script" path="res://scripts/effects/player_attack_effect.gd" id="11_1cf3j"]
 
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_tes4q"]
-animation = &"+idle_L"
-
-[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_rdhgj"]
-animation = &"+idle_R"
-
-[sub_resource type="AnimationNodeStateMachineTransition" id="AnimationNodeStateMachineTransition_tdamk"]
-advance_mode = 2
-
-[sub_resource type="AnimationNodeStateMachineTransition" id="AnimationNodeStateMachineTransition_gk5g1"]
-advance_mode = 2
-advance_condition = &"side_L"
-
-[sub_resource type="AnimationNodeStateMachineTransition" id="AnimationNodeStateMachineTransition_v3m8c"]
-advance_mode = 2
-advance_condition = &"side_R"
-
-[sub_resource type="AnimationNodeStateMachine" id="AnimationNodeStateMachine_yk01a"]
-states/+idle_L/node = SubResource("AnimationNodeAnimation_tes4q")
-states/+idle_L/position = Vector2(351, 62)
-states/+idle_R/node = SubResource("AnimationNodeAnimation_rdhgj")
-states/+idle_R/position = Vector2(351, 168)
-transitions = ["Start", "+idle_L", SubResource("AnimationNodeStateMachineTransition_tdamk"), "+idle_R", "+idle_L", SubResource("AnimationNodeStateMachineTransition_gk5g1"), "+idle_L", "+idle_R", SubResource("AnimationNodeStateMachineTransition_v3m8c")]
-
-[sub_resource type="AnimationNodeBlendTree" id="AnimationNodeBlendTree_f4bn3"]
-nodes/StateMachine/node = SubResource("AnimationNodeStateMachine_yk01a")
-nodes/StateMachine/position = Vector2(40, 140)
-node_connections = [&"output", 0, &"StateMachine"]
-
 [sub_resource type="Curve" id="Curve_03vie"]
 _data = [Vector2(0.952555, 1), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
 point_count = 2
@@ -136,7 +107,6 @@ bones/46/rotation = Quaternion(-0.0181733, 2.38379e-07, 1.14098e-08, 0.999835)
 bones/47/rotation = Quaternion(-1.20807e-07, 0.993087, -0.117383, 7.85287e-07)
 bones/49/rotation = Quaternion(-0.034235, -3.57418e-07, 8.86969e-08, 0.999414)
 bones/51/rotation = Quaternion(0.403888, -2.98082e-07, -3.85178e-07, 0.914808)
-bones/51/scale = Vector3(1, 1, 1)
 bones/52/rotation = Quaternion(-0.512846, 3.82068e-07, 4.27952e-07, 0.858481)
 bones/52/scale = Vector3(1, 1, 1)
 bones/53/rotation = Quaternion(0.0772044, -1.03801e-06, -1.2885e-07, 0.997015)
@@ -260,19 +230,20 @@ layers = 32
 cast_shadow = 0
 
 [node name="AnimationPlayer" parent="Model" index="1"]
+deterministic = true
 autoplay = "RESET"
 script = ExtResource("4_i3gf3")
 
-[node name="OverrideAnimationPlayer" type="AnimationPlayer" parent="."]
-libraries = {
-"": ExtResource("5_y0ods")
-}
-
 [node name="AnimationTree" type="AnimationTree" parent="."]
-tree_root = SubResource("AnimationNodeBlendTree_f4bn3")
-anim_player = NodePath("../OverrideAnimationPlayer")
-parameters/StateMachine/conditions/side_L = false
-parameters/StateMachine/conditions/side_R = false
+process_priority = 10
+process_physics_priority = 10
+root_node = NodePath("../Model")
+callback_mode_process = 2
+tree_root = ExtResource("5_mq40n")
+anim_player = NodePath("../Model/AnimationPlayer")
+parameters/idle_machine/conditions/side_L = false
+parameters/idle_machine/conditions/side_R = false
+parameters/main_time_scale/scale = 1.0
 script = ExtResource("4_adlgp")
 
 [node name="BoneFlattener" type="Node3D" parent="." node_paths=PackedStringArray("skeleton")]
@@ -321,4 +292,10 @@ mesh = SubResource("SphereMesh_kqbjh")
 skeleton = NodePath("../../Attack")
 script = ExtResource("11_1cf3j")
 
+[node name="Audio" type="Node3D" parent="."]
+
+[node name="FootstepsPlayer" type="AudioStreamPlayer3D" parent="Audio"]
+attenuation_model = 3
+bus = &"SFX"
+
 [editable path="Model"]

scripts/globals/music.gd

@@ -0,0 +1,55 @@
+extends AudioStreamPlayer
+
+signal track_started
+
+var bpm: float
+var bar_beats: float
+var beat_length: float
+var bar_length: float
+var bpm_factor: float
+
+var audio_delta: float
+
+var track_time: float
+var bar_time: float
+
+
+func _ready() -> void:
+	_play_track()
+
+
+func _process(_delta: float) -> void:
+	var time := get_playback_position() + AudioServer.get_time_since_last_mix()
+	time -= AudioServer.get_output_latency()
+	audio_delta = time - track_time
+	track_time = time
+	bar_time = wrapf(track_time, 0, bar_length)
+
+	Debugger.text("bpm", bpm)
+	Debugger.text("bar_beats", bar_beats)
+	Debugger.text("beat_length", beat_length)
+	Debugger.text("bar_length", bar_length)
+	Debugger.text("bpm_factor", bpm_factor)
+	Debugger.text("track_time", track_time)
+	Debugger.text("bar_time", bar_time)
+	Debugger.text("audio_delta", audio_delta)
+
+
+func _play_track() -> void:
+	play()
+	_get_bpm_info()
+	track_started.emit()
+
+
+func _get_bpm_info() -> void:
+	if stream is AudioStreamMP3:
+		var steam_file := stream as AudioStreamMP3
+		bpm = steam_file.bpm
+		bar_beats = steam_file.bar_beats
+	if stream is AudioStreamOggVorbis:
+		var steam_file := stream as AudioStreamOggVorbis
+		bpm = steam_file.bpm
+		bar_beats = steam_file.bar_beats
+	beat_length = 60 / bpm
+	bar_length = beat_length * bar_beats
+	bpm_factor = bpm / 100

scripts/player/player_animator.gd

@@ -4,22 +4,44 @@ const SUFFIX_LEFT := "_L"
 const SUFFIX_RIGHT := "_R"
 
 @onready var player: Player = $"../" as Player
+@onready var attack: PlayerAttack = $"../Attack" as PlayerAttack
+@onready var animation_player: AnimationPlayer = $"../Model/AnimationPlayer"
 
 
 func _ready() -> void:
 	assert(player, "player missing!")
+	Music.track_started.connect(_on_music_track_started)
+	attack.attacked.connect(_on_player_attacked)
+	_set_bpm()
+	_set_side()
 
 
 func _process(_delta: float) -> void:
-	set(&"parameters/StateMachine/conditions/side_L", _is_left())
-	set(&"parameters/StateMachine/conditions/side_R", not _is_left())
+	advance(Music.audio_delta as float)
 
 
 func _is_left() -> bool:
-	return player.attack.side == PlayerAttack.Side.LEFT
+	return attack.side == PlayerAttack.Side.LEFT
 
 
 func _suffix(invert: bool) -> String:
 	if not invert:
 		return SUFFIX_LEFT if _is_left() else SUFFIX_RIGHT
 	return SUFFIX_LEFT if not _is_left() else SUFFIX_RIGHT
+
+
+func _set_bpm() -> void:
+	set(&"parameters/main_time_scale/scale", Music.bpm_factor)
+
+
+func _set_side() -> void:
+	set(&"parameters/idle_machine/conditions/side_L", _is_left())
+	set(&"parameters/idle_machine/conditions/side_R", not _is_left())
+
+
+func _on_music_track_started() -> void:
+	_set_bpm()
+
+
+func _on_player_attacked() -> void:
+	_set_side()