[WIP] Begin writing record-playback player AI

scenes/ai/ai-player.tscn

@@ -0,0 +1,12 @@
+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://scenes/player.tscn" type="PackedScene" id=1]
+[ext_resource path="res://scripts/ai/ai-player.gd" type="Script" id=2]
+
+[node name="RigidBody" index="0" instance=ExtResource( 1 )]
+
+script = ExtResource( 2 )
+tp_camera = null
+master_only = null
+
+

scenes/ai/heroes/0.tscn

@@ -0,0 +1,10 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://scenes/ai/ai-player.tscn" type="PackedScene" id=1]
+
+[node name="RigidBody" instance=ExtResource( 1 )]
+
+tp_camera = NodePath("TPCamera")
+master_only = NodePath("MasterOnly")
+
+

scripts/lobby.gd

@@ -20,6 +20,8 @@ func setup_options():
 	opts.add('-hero', 'r', 'Your choice of hero (index)')
 	opts.add('-level', 'r', 'Your choice of level (index) - server only!')
 	opts.add('-start-game', false, 'Join as a client and immediately start the game')
+	opts.add('-ai', false, 'Run this client as AI')
+	opts.add('-record', false, 'Record this play for AI later')
 	opts.add('-h', false, "Print help")
 	return opts
 
@@ -56,6 +58,10 @@ func _ready():
 		call_deferred("_client_init")
 	if o.get_value("-singleplayer"):
 		call_deferred("_singleplayer_init")
+	if o.get_value("-ai"):
+		my_info.is_ai = true
+	if o.get_value("-record"):
+		my_info.record = true
 	if o.get_value('-h'):
 		o.print_help()
 		quit()

scripts/player.gd

@@ -22,6 +22,7 @@ var movement_charge = 0.15 # In percent per meter (except when heroes change tha
 const fall_height = -50
 
 var debug_node
+var recording = { "time": 0, "events": [], "spawn": Vector3() }
 
 slave var slave_transform = Basis()
 slave var slave_lin_v = Vector3()
@@ -52,10 +53,45 @@ func spawn():
 	# So we don't all spawn on top of each other
 	placement.x += rand_range(0, x_varies)
 	placement.y += rand_range(0, y_varies)
+	recording.spawn = placement
 	set_transform(Basis())
 	set_translation(placement)
 	set_linear_velocity(Vector3())
 
+func event_to_obj(event):
+	var d = {}
+	if event is InputEventMouseMotion:
+		d.relative = {}
+		d.relative.x = event.relative.x
+		d.relative.y = event.relative.y
+		d.type = "motion"
+	if event is InputEventKey:
+		d.scancode = event.scancode
+		d.pressed = event.pressed
+		d.type = "key"
+	if event is InputEventMouseButton:
+		d.button_index = event.button_index
+		d.pressed = event.pressed
+		d.type = "mb"
+	return d
+
+func apply_dict(from, to):
+	if typeof(from) != TYPE_DICTIONARY:
+		return from
+	else:
+		for key in from:
+			to[key] = apply_dict(from[key], to[key])
+		return to
+
+func obj_to_event(d):
+	var e
+	if d.type == "motion": e = InputEventMouseMotion.new()
+	if d.type == "key": e = InputEventKey.new()
+	if d.type == "mb": e = InputEventMouseButton.new()
+	d.erase("type") # Not in the event
+	apply_dict(d, e)
+	return e
+
 func _input(event):
 	if is_network_master():
 		if Input.is_action_just_pressed("switch_hero"):
@@ -63,6 +99,8 @@ func _input(event):
 		# Quit the game:
 		if Input.is_action_pressed("quit"):
 			quit()
+		if "record" in player_info:
+			recording.events.append([recording.time, event_to_obj(event)])
 
 func toggle_mouse_capture():
 	if (Input.get_mouse_mode() == Input.MOUSE_MODE_CAPTURED):
@@ -194,6 +232,15 @@ func _exit_scene():
 # Functions
 # =========
 
+func write_recording():
+	var save = File.new()
+	var fname = "res://recordings/%d-%d-%d.rec" % [player_info.level, player_info.hero, randi() % 10000]
+	save.open(fname, File.WRITE)
+	save.store_line(to_json(recording))
+	save.close()
+
 # Quits the game:
 func quit():
+	if "record" in player_info:
+		write_recording()
 	get_tree().quit()