gd: added input addon

addons/guide/triggers/guide_trigger_hold.gd

@@ -0,0 +1,43 @@
+@tool
+## A trigger that activates when the input is held down for a certain amount of time.
+class_name GUIDETriggerHold
+extends GUIDETrigger
+
+## The time for how long the input must be held.
+@export var hold_treshold:float = 1.0
+## If true, the trigger will only fire once until the input is released. Otherwise the trigger will fire every frame.
+@export var is_one_shot:bool = false
+
+var _accumulated_time:float = 0
+var _did_shoot:bool = false
+
+func _update_state(input:Vector3, delta:float, value_type:GUIDEAction.GUIDEActionValueType) -> GUIDETriggerState:
+	# if the input is actuated, accumulate time and check if the hold threshold has been reached
+	if _is_actuated(input, value_type):
+		_accumulated_time += delta
+		
+		if _accumulated_time >= hold_treshold:
+			# if the trigger is one shot and we already shot, then we will not trigger again.
+			if is_one_shot and _did_shoot:
+				return GUIDETriggerState.NONE
+			else:
+				# otherwise, we will just trigger.
+				_did_shoot = true
+				return GUIDETriggerState.TRIGGERED
+		else:
+			# if the hold threshold has not been reached, then the trigger is ongoing.
+			return GUIDETriggerState.ONGOING
+	else:
+		# if the input is not actuated, then the trigger is not triggered and we reset the accumulated time.
+		# and our one shot flag.
+		_accumulated_time = 0
+		_did_shoot = false
+		return GUIDETriggerState.NONE
+
+
+func _editor_name() -> String:
+	return "Hold"
+
+func _editor_description() -> String:
+	return "Fires, once the input has remained actuated for hold_threshold seconds.\n" + \
+			"My fire once or repeatedly."