fix wind and make compatible wind_decoration

core/daynight/weather_controller.gd

@@ -1,6 +1,8 @@
 class_name WeatherController
 extends Node
 
+signal wind_parameters_changed(speed: float, strength: float, fade: float, direction: Vector2)
+
 var thunder_audio_player: AudioStreamPlayer
 var thunder_sounds: Array[AudioStream]
 var rain_sounds: Array[AudioStream]
@@ -101,6 +103,8 @@ func _init(wind: GPUParticles3D, snow: GPUParticles3D,
 		camera_pivot.get_node("pivot").camera_changed.connect(_set_camera)
 
 func _ready() -> void:
+	#used for wind change state (wind_decoration)
+	add_to_group("weather_controller")
 	
 	#connect events
 	UIEvents.toggle_rain.connect(toggle_rain)
@@ -439,7 +443,7 @@ func _apply_wind_config() -> void:
 				else:
 					wind_cross = wind_cross.normalized()
 				var wind_up := wind_cross.cross(wind_axis).normalized()
-				proc_mat_wind.direction = wind_axis
+				proc_mat_wind.direction = Vector3.UP
 				particles_wind.global_transform = Transform3D(Basis(wind_cross, wind_axis, wind_up), particles_wind.global_position)
 
 	_apply_wind_state(true)
@@ -469,14 +473,23 @@ func _apply_wind_state(immediate: bool = false) -> void:
 func _set_current_wind_speed(value: float) -> void:
 	current_wind_speed = value
 	RenderingServer.global_shader_parameter_set("global_wind_speed", value)
+	_sync_wind_event_state()
 
 func _set_current_wind_strength(value: float) -> void:
 	current_wind_strength = value
 	RenderingServer.global_shader_parameter_set("global_wind_strength", value)
+	_sync_wind_event_state()
 
 func _set_current_wind_fade(value: float) -> void:
 	current_wind_fade = value
 	RenderingServer.global_shader_parameter_set("global_wind_fade", value)
+	_sync_wind_event_state()
+
+func _sync_wind_event_state() -> void:
+	if environment_config == null:
+		return
+	#used to notify wind_decoration when wind change state
+	wind_parameters_changed.emit(current_wind_speed, current_wind_strength, current_wind_fade, environment_config.wind_direction)
 
 func _finish_wind_fade_out() -> void:
 	if is_windy: