State machine debug stats

global/StatHub.gd

@@ -20,6 +20,12 @@ func stat_set(stat: Dictionary):
 func set_text(node, stat):
 	node.text = stat["key"] + ": " + stat["value"]
 
+# Utility function for your leasure
+func maybe_put_stat(stat_key, value: String):
+	if stat_key != null:
+		stat_key["value"] = value
+		stat_set(stat_key)
+
 func _process(_delta):
 	# Add fps stat
 	stat_set({ "key": "fps", "value": str(Engine.get_frames_per_second()) })

state_machine/StateMachine.gd

@@ -1,18 +1,20 @@
+# Place available states under this node.
+# Provides the mechanism for switching states.
 @icon("res://state_machine/think.png")
 extends Node
 class_name StateMachine
 
-# Place available states under this node.
-# Provides the mechanism for switching states.
-
 @export var initial_state: NodePath
 var state: Node  # Current state
 
+# Set by owner
+var state_debug_stat = null
+
 func _ready():
 	state = get_node(initial_state)
 
 func transition(new_state, args = {}):
-	print("Node: " + get_parent().name + " transitioning to state: " + new_state.name)
+	StatHub.maybe_put_stat(state_debug_stat, new_state.name)
 	state = new_state
 	new_state.enter(args)
 

state_machine/misc/JumpStats.gd

@@ -13,14 +13,9 @@ func _init(p_rise_curve = null, p_initial_velocity = 0.0, p_released_curve = nul
 # Calculate new y-velocity
 func jump(yvel: float, time: float, released_jump: bool, delta: float, stat_key = null):
 	if released_jump:
-		maybe_put_stat(stat_key, "released jump")
+		StatHub.maybe_put_stat(stat_key, "released jump")
 		return yvel - released_curve.sample(time) * delta
 	else:
 		# Rising when holding the button
-		maybe_put_stat(stat_key, "holding jump")
+		StatHub.maybe_put_stat(stat_key, "holding jump")
 		return yvel - rise_curve.sample(time) * delta
-
-func maybe_put_stat(stat_key, value):
-	if stat_key != null:
-		stat_key["value"] = value
-		StatHub.stat_set(stat_key)

state_machine/misc/RunStats.gd

@@ -16,18 +16,13 @@ func _init(p_accel_curve = null, p_turn_curve = null, p_stop_curve = null):
 func run(xvel: float, dir: float, delta: float, stat_key = null) -> float:
 	# Stopping speed
 	if sign(dir) == 0:
-		maybe_put_stat(stat_key, "stopping")
+		StatHub.maybe_put_stat(stat_key, "stopping")
 		return move_toward(xvel, 0, stop_curve.sample(abs(xvel)/time) * delta)
 	# Forward speed
 	elif sign(dir) == sign(xvel) or sign(xvel) == 0:
-		maybe_put_stat(stat_key, "forward")
+		StatHub.maybe_put_stat(stat_key, "forward")
 		return xvel + sign(dir) * accel_curve.sample(abs(xvel)/time) * delta
 	# Turning speed
 	else:
-		maybe_put_stat(stat_key, "turning")
+		StatHub.maybe_put_stat(stat_key, "turning")
 		return xvel + sign(dir) * turn_curve.sample(abs(xvel)/time) * delta
-
-func maybe_put_stat(stat_key, value):
-	if stat_key != null:
-		stat_key["value"] = value
-		StatHub.stat_set(stat_key)

test_levels/TestEnemy/TestEnemy.gd

@@ -1,11 +1,10 @@
-extends CharacterBody2D
-
 # An example of a script that could be on an enemy/player (in this case enemy).
 # Controls state changes and state input such as direction, could use
 # area detectors then change the state for example.
+extends CharacterBody2D
 
 func current_state():
-	return $StateMachine.state
+	return stm.state
 
 @onready var stm = $StateMachine
 @onready var air = $StateMachine/Air
@@ -14,6 +13,7 @@ func current_state():
 func _ready():
 	air.jump_debug_stat = { "key": "player jump curve" }
 	run.run_debug_stat = { "key": "player run curve" }
+	stm.state_debug_stat = { "key": "player state" }
 
 func _physics_process(delta):
 	# Start falling