Starting State Aware Sound Effects

lib/classes/actor.gd

@@ -6,7 +6,6 @@ extends KinematicBody2D
 
 export(String, "Player", "Enemy", "NPC", "Object") var actor_type
 #export var sprite_facing_right: bool = true
-export(Array, Resource) var SoundEffects 
 export var debug_actor: bool = false
 
 
@@ -20,7 +19,6 @@ onready var movement_component: Movement_StateReceiver = $Movement_StateReceiver
 #onready var movement_state_machine: StateMachineAnimatedActor = $movement_state_machine
 onready var movement_state_machine: StateMachine = $Movement_StateMachine
 
-var sound_effects_dict: Dictionary
 
 ##TODO:
 # Can't seem to implement the ready and process node functions
@@ -29,19 +27,11 @@ var sound_effects_dict: Dictionary
 # interfaces for the state machines.
 
 func _ready() -> void:
+	pass
 	#movement_state_machine.init_animated_actor(self)
 	#movement_component.attack_function = funcref(self, "attack")
 #	movement_component.player_number = player_number
 
-	# Experimenting with sound based resources I did this and it worked
-	#sound_effect_player.stream = sound_effects.sounds["pew"]
-	#print(sounds.sounds["pew"])
-	#sound_effects.play()
-	
-	# Trying something new with a custom resourse.
-	for i in SoundEffects:
-		sound_effects_dict[i.animation_name + str(i.frame_number)] = i.sound
-	print (sound_effects_dict)	
 
 func _unhandled_input(event: InputEvent) -> void:
 	if actor_type == "Player":
@@ -64,20 +54,6 @@ func _physics_process(delta: float) -> void:
 #	#play_sound_frame(movement_animations.animation , movement_animations.frame)
 
 
-var last_sound_frame_animation: String = ''
-var last_sound_frame: int = -1
-func play_sound_frame(animation: String, frame: int ):
-	##DEBUG:
-	#if animation == 'run' and frame == 6:
-	#	print("Do the thign! (", animation + str(frame), ")", " (", last_sound_frame_animation + str(last_sound_frame), ")")
-	if animation != last_sound_frame_animation or frame != last_sound_frame:
-		last_sound_frame = frame
-		last_sound_frame_animation = animation
-		var sound_index = animation + str(frame)
-		if sound_effects_dict.has(sound_index):
-			sound_effect_player.stream = sound_effects_dict[sound_index]
-			sound_effect_player.play()
-			print(self.name, " Playing SE: ", sound_index)
 
 func attack():
 	#print(self.name, ": It's not inheritence, it's funcrefs")

lib/classes/animated_sprite_state_receiver.gd

@@ -42,6 +42,7 @@ func _ready():
 # Sprites should only have a process function
 # but if I have this will the sprite still animate?
 func _process(delta):
+	current_state.animation_frame = frame
 	##TODO: Put in to try to buffer animation switches on frame change
 	if _frame_switch_tracker != -1 and frame == _frame_switch_tracker:
 		print ("time to switch", _frame_switch_tracker)

lib/classes/audiostreamplayer_state_receiver.gd

@@ -0,0 +1,64 @@
+class_name AudioStreamPlayer_StateReceiver
+extends AudioStreamPlayer
+
+export var debug_component: bool = false
+export var callable_state_machine :NodePath
+var request_state_change: FuncRef
+
+export(Array, Resource) var sound_effects 
+
+onready var current_state = StateAnimatedActor.new()
+
+# Declare member variables here. Examples:
+# var a = 2
+# var b = "text"
+
+var sound_effects_dict: Dictionary
+
+#class_name FrameSoundEffects
+#extends Resource
+#
+#
+#export (String) var animation_name
+#export(int) var frame_number
+#export (AudioStreamSample) var sound
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	# Trying something new with a custom resourse.
+	for i in sound_effects:
+		sound_effects_dict[i.animation_name + str(i.frame_number)] = i.sound
+	print (sound_effects_dict)	
+
+	request_state_change = funcref(get_node(callable_state_machine), 'change_to_known_state')
+	## Connect signal to get alerted of state change
+	get_node(callable_state_machine).connect("state_changed", self,"_on_state_change")
+	## A reference to the current state machine state
+	current_state = get_node(callable_state_machine).current_state
+
+
+	# Experimenting with sound based resources I did this and it worked
+	#sound_effect_player.stream = sound_effects.sounds["pew"]
+	#print(sounds.sounds["pew"])
+	#sound_effects.play()
+
+var last_sound_frame_animation: String = ''
+var last_sound_frame: int = -1
+func play_sound_frame(animation: String, frame: int ):
+	##DEBUG:
+	#if animation == 'run' and frame == 6:
+	#	print("Do the thign! (", animation + str(frame), ")", " (", last_sound_frame_animation + str(last_sound_frame), ")")
+	if animation != last_sound_frame_animation or frame != last_sound_frame:
+		last_sound_frame = frame
+		last_sound_frame_animation = animation
+		var sound_index = animation + str(frame)
+		if sound_effects_dict.has(sound_index):
+			stream = sound_effects_dict[sound_index]
+			play()
+			print(self.name, " Playing SE: ", sound_index)
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+#func _process(delta):
+#	pass

lib/classes/sound_effect_state_frame.gd

@@ -0,0 +1,7 @@
+class_name SE_StateFrame
+extends Resource
+
+
+export (String) var state_name
+export(int) var frame_number
+export (AudioStreamSample) var sound

lib/classes/state_animated_actor.gd

@@ -26,6 +26,7 @@ var jerk: float
 
 ## Variables intended to allow state receivers to communicate
 var animation_finished: bool = false
+var animation_frame :int = -1
 var movement_stopped: bool = false
 
 # Not sure if this should be here. probably not
@@ -37,6 +38,7 @@ func enter() -> void:
 	.enter()
 	animation_finished = false
 	movement_stopped = false
+	animation_frame = -1
 	jerk = 0
 
 	return

lib/templates/Actor/ActorTemplate.tscn

@@ -1,7 +1,8 @@
-[gd_scene load_steps=5 format=2]
+[gd_scene load_steps=6 format=2]
 
 [ext_resource path="res://lib/classes/animated_sprite_state_receiver.gd" type="Script" id=1]
 [ext_resource path="res://lib/classes/state_machine.gd" type="Script" id=2]
+[ext_resource path="res://lib/classes/audiostreamplayer_state_receiver.gd" type="Script" id=3]
 [ext_resource path="res://lib/classes/movement_state_receiver.gd" type="Script" id=5]
 [ext_resource path="res://lib/classes/actor.gd" type="Script" id=8]
 
@@ -33,4 +34,7 @@ callable_state_machine = NodePath("../Movement_StateMachine")
 script = ExtResource( 5 )
 callable_state_machine = NodePath("../Movement_StateMachine")
 
-[node name="SE_Player" type="AudioStreamPlayer" parent="."]
+[node name="AudioStreamPlayer_StateReceiver" type="AudioStreamPlayer" parent="."]
+script = ExtResource( 3 )
+callable_state_machine = NodePath("../Movement_StateMachine")
+sound_effects = [ null ]

project.godot

@@ -19,6 +19,11 @@ _global_script_classes=[ {
 "language": "GDScript",
 "path": "res://lib/classes/animated_sprite_state_receiver.gd"
 }, {
+"base": "AudioStreamPlayer",
+"class": "AudioStreamPlayer_StateReceiver",
+"language": "GDScript",
+"path": "res://lib/classes/audiostreamplayer_state_receiver.gd"
+}, {
 "base": "",
 "class": "GitAPI",
 "language": "NativeScript",
@@ -70,6 +75,11 @@ _global_script_classes=[ {
 "path": "res://lib/classes/movement_state_receiver.gd"
 }, {
 "base": "Resource",
+"class": "SE_StateFrame",
+"language": "GDScript",
+"path": "res://lib/classes/sound_effect_state_frame.gd"
+}, {
+"base": "Resource",
 "class": "State",
 "language": "GDScript",
 "path": "res://lib/classes/state.gd"
@@ -107,6 +117,7 @@ _global_script_classes=[ {
 _global_script_class_icons={
 "Actor": "",
 "AnimatedSprite_StateReceiver": "",
+"AudioStreamPlayer_StateReceiver": "",
 "GitAPI": "",
 "HealthComponent": "",
 "HealthPickup": "",
@@ -117,6 +128,7 @@ _global_script_class_icons={
 "Modifier_Receiver": "",
 "MovementComponent": "",
 "Movement_StateReceiver": "",
+"SE_StateFrame": "",
 "State": "",
 "StateAnimatedActor": "",
 "StateMachine": "",