Removed state machine for behavior trees

- Added Font Awesome Support

examples/blackboard_sharing/player.gd

@@ -0,0 +1,63 @@
+extends Node2D
+
+#------------------------------------------
+# Signaux
+#------------------------------------------
+
+#------------------------------------------
+# Exports
+#------------------------------------------
+
+@export var player_name:String = "":
+    set(value):
+        player_name = value
+        if _name_label:
+            _name_label.text = player_name
+
+#------------------------------------------
+# Variables publiques
+#------------------------------------------
+
+#------------------------------------------
+# Variables privées
+#------------------------------------------
+
+@onready var _text_label:Label = $GUI/Text
+@onready var _name_label:Label = $GUI/Name
+
+#------------------------------------------
+# Fonctions Godot redéfinies
+#------------------------------------------
+
+func _ready() -> void:
+    _name_label.text = player_name
+
+#------------------------------------------
+# Fonctions publiques
+#------------------------------------------
+
+func declare_presence(blackboard:BTBlackboard) -> int:
+    blackboard.get_data("players").append(player_name)
+    return BTTickResult.SUCCESS
+
+func is_my_turn_to_talk(next_talking:String) -> bool:
+    return player_name == next_talking
+
+func talk() -> int:
+    _text_label.visible = true
+    get_tree().create_timer(1).timeout.connect(func():_text_label.visible = false)
+    return BTTickResult.SUCCESS
+
+func choose_next_player_talking(blackboard:BTBlackboard) -> int:
+    blackboard.set_data("next_talking", _pick_next_player(blackboard.get_data("players")))
+    return BTTickResult.SUCCESS
+
+#------------------------------------------
+# Fonctions privées
+#------------------------------------------
+
+func _pick_next_player(players:Array) -> String:
+    var result:String = players.pick_random()
+    while result == player_name:
+        result = players.pick_random()
+    return result