Improved behaviour debugging.

ai/tasks/look_at_location.gd

@@ -21,6 +21,8 @@ func _tick(delta: float) -> Status:
 	
 	update_look_direction(delta)
 	
+	if DebugSystem.debug_npc == _agent_npc: DebugDraw3D.draw_arrow(_agent_npc.global_position, target_position, Color.CRIMSON, 0.1, true)
+
 	if absf(_target_look_angle - _current_look_angle) < deg_to_rad(5):
 		return SUCCESS
 		
@@ -41,8 +43,6 @@ func update_look_direction(delta:float) -> void:
 	
 	_target_look_angle = _target_look_direction.signed_angle_to(Vector3.BACK, Vector3.UP)
 	
-	#if _agent_npc and _agent_npc.get_path() == blackboard.get_var("debug_npc_path"): breakpoint
-	
 	_current_look_angle = _look_angle_damper.calc(_current_look_angle, _target_look_angle, delta)
 	clamp_current_look_angle()
 

ai/tasks/navigate_to_location.gd

@@ -20,6 +20,8 @@ func _tick(_delta: float) -> Status:
 		
 	agent_npc.navigate_to(target_location)
 
+	if DebugSystem.debug_npc == agent_npc: DebugDraw3D.draw_arrow(agent.global_position, target_location, Color.CRIMSON, 0.1, true)
+
 	var distance_to_target:float = (agent_npc.global_position - target_location).length()
 	if agent_npc.is_navigation_target_reached() or distance_to_target < distance:
 		agent_npc.navigation_active = false

ai/trees/wander.tres

@@ -16,7 +16,7 @@ var/debug_npc_path/hint_string = ""
 script = ExtResource("1_5wpmm")
 radius = 3.0
 output_var = &"target_location"
-navigatable_target = false
+navigatable_target = true
 stay_in_radius = true
 
 [sub_resource type="BTAction" id="BTAction_lschq"]

objects/non_player_character.gd

@@ -61,6 +61,13 @@ func _ready() -> void:
 func _physics_process(_delta: float) -> void:
 	if navigation_active:
 		var next_position:Vector3 = navigation_agent.get_next_path_position()
+		var current_path:PackedVector3Array = navigation_agent.get_current_navigation_path()
+		
+		var path_length:float = 0
+		for i in range(1, current_path.size()):
+			path_length = path_length + (current_path[i] - current_path[i - 1]).length()
+
+		if DebugSystem.debug_npc == self: DebugDraw3D.draw_point_path(current_path, DebugDraw3D.POINT_TYPE_SPHERE, 0.02)
 		
 		if is_nan(next_position.length()):
 			breakpoint

project.godot

@@ -23,6 +23,12 @@ config/icon="res://icon.svg"
 
 DialogueManager="*res://addons/dialogue_manager/dialogue_manager.gd"
 InteractionSystem="*res://systems/InteractionSystem.gd"
+DebugSystem="*res://systems/DebugSystem.gd"
+
+[debug_draw_3d]
+
+settings/updates/check_for_updates=false
+settings/3d/volumetric_defaults/thickness=0.01
 
 [dialogue_manager]
 

systems/DebugSystem.gd

@@ -0,0 +1,5 @@
+extends Node
+
+var player:Player = null
+var debug_node:Node = null
+var debug_npc:NonPlayerCharacter = null

ui/debug/behaviour.gd

@@ -38,55 +38,21 @@ func update_npc_option_button() -> void:
 			npc_option_button.add_item(node_name)
 			npc_option_button.set_item_tooltip(npc_option_button.item_count - 1, node.get_path())
 
-func mark_agent_active_for_debug() -> void:
-	if _debug_bt_player == null:
-		return
-	
-	var instance: BTInstance = _debug_bt_player.get_bt_instance()
-	var blackboard: Blackboard = instance.get_blackboard()
-
-	if mark_npc_for_debug.pressed:
-		blackboard.set_var("debug_npc_path", _debug_agent.get_path())
-
-func unmark_agent_active_for_debug() -> void:
-	if _debug_agent == null:
-		return
-
-	var instance: BTInstance = _debug_bt_player.get_bt_instance()
-	var blackboard: Blackboard = instance.get_blackboard()
-
-	if mark_npc_for_debug.pressed:
-		blackboard.set_var("debug_npc_path", NodePath())
-
-func _on_npc_name_edit_text_submitted(new_text: String) -> void:
-	unmark_agent_active_for_debug()
-	
-	_debug_agent = get_tree().root.find_child(new_text, true, false) as NonPlayerCharacter
-
-	if not is_instance_valid(_debug_agent):
-		push_error("Cannot show npc behavior: could not find node with name '%s'." % new_text)
-		return
-
-	_debug_bt_player = _debug_agent.find_child("BTPlayer") as BTPlayer
-	if _debug_bt_player == null:
-		behavior_debug_view.clear()
-		push_error("Cannot show npc behavior: no BTPlayer found.")
-		return
-	
-	if mark_npc_for_debug.pressed:
-		mark_agent_active_for_debug()
-
 func _on_mark_npc_for_debug_toggled(toggled_on: bool) -> void:
+	DebugSystem.debug_npc = null
 	if toggled_on:
-		mark_agent_active_for_debug()
+		DebugSystem.debug_npc = _debug_agent
 
 func _on_npc_option_button_item_selected(index: int) -> void:
 	_debug_agent = get_tree().root.get_node(npc_option_button.get_item_tooltip(index)) as NonPlayerCharacter
 	
 	if _debug_agent:
 		_debug_bt_player = _debug_agent.find_child("BTPlayer") as BTPlayer
+
+		if _debug_agent is NonPlayerCharacter and mark_npc_for_debug.button_pressed:
+			DebugSystem.debug_npc = _debug_agent
+
 		if _debug_bt_player == null:
 			behavior_debug_view.clear()
 			push_error("Cannot show npc behavior: no BTPlayer found.")
 			return
-