Replays in game

Scenes/DownhillAutoscroller.tscn

@@ -1,8 +1,4 @@
-<<<<<<< HEAD
-[gd_scene load_steps=17 format=2]
-=======
-[gd_scene load_steps=18 format=2]
->>>>>>> e02aaa26c207234404f2d1f585dca170392fddfe
+[gd_scene load_steps=20 format=2]
 
 [ext_resource path="res://Tile Sets/SnowySlopes.tres" type="TileSet" id=1]
 [ext_resource path="res://Units/DownhillAutoscrollerPlayer.tscn" type="PackedScene" id=2]
@@ -18,6 +14,8 @@
 [ext_resource path="res://Fonts/squares/squares.tres" type="DynamicFont" id=12]
 [ext_resource path="res://Scripts/InGameUI.gd" type="Script" id=13]
 [ext_resource path="res://Fonts/squares/squares_big.tres" type="DynamicFont" id=14]
+[ext_resource path="res://Scripts/Units/FollowReplay.gd" type="Script" id=15]
+[ext_resource path="res://Scripts/PlayerRecorder.gd" type="Script" id=16]
 
 [sub_resource type="Animation" id=3]
 resource_name = "InitialFade"
@@ -126,15 +124,16 @@ offset = Vector2( 0, -15 )
 smoothing_speed = 7.0
 
 [node name="PlayerRecorder" type="Node" parent="Player"]
-script = ExtResource( 13 )
+script = ExtResource( 16 )
+save_to = "res://Replays/ReplayOutput.dat"
 
 [node name="SpectatorCam" type="Camera2D" parent="."]
 offset = Vector2( 0, -15 )
 
 [node name="Rival" parent="." instance=ExtResource( 6 )]
 position = Vector2( 91, -197 )
-script = ExtResource( 12 )
-unit_type = 0
+script = ExtResource( 15 )
+replay_file = "res://Replays/Rival.dat"
 
 [node name="CanvasLayer" type="CanvasLayer" parent="."]
 script = ExtResource( 13 )

Scripts/GameScene.gd

@@ -16,7 +16,6 @@ export var target_time : float
 export var defeat_cutscene : String
 export var victory_cutscene : String
 const Constants = preload("res://Scripts/Constants.gd")
-const Unit = preload("res://Scripts/Unit.gd")
 const UNIT_DIRECTORY = {
 	Constants.UnitType.CIRNO: preload("res://Units/DownhillAutoscrollerNPCCirno.tscn"),
 	Constants.UnitType.SANAE: preload("res://Units/DownhillAutoscrollerNPCSanae.tscn"),
@@ -64,23 +63,25 @@ var rng = RandomNumberGenerator.new()
 func _ready():
 	MusicController.play_kyouko_snow()
 	
-	units.append(get_node("Player"))
+	units.append($Player)
 	player = units[0]
 	player.init_unit_w_scene(self)
-	player_cam = player.get_node("Camera2D")
+	player_cam = $Player/Camera2D
 	player_cam.make_current()
 	player_cam.offset_v = camera_v_offset
 	
-	units.append(get_node("Rival"))
-	get_node("Rival").init_unit_w_scene(self)
+	units.append($Rival)
+	$Rival.init_unit_w_scene(self)
 	
 	stage_env = load("res://Scripts/StageEnvironment.gd").new(self)
-	player.get_node("Camera2D").make_current()
+	$Player/Camera2D.make_current()
 	for spawning_key in spawning:
 		spawning_map[spawning_key] = null
 	
 	find_node("PitTransitionPlayer").play("InitialFade")
 	
+	target_time = $Rival.replay.length()
+
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta):	
 	# visual effects
@@ -107,6 +108,10 @@ func _process(delta):
 	
 	if not race_over and player.pos.x >= finish_x_pos:
 		race_over = true
+		
+		if is_instance_valid(player.recorder):
+			player.recorder.save()
+		
 		if time_elapsed_in_race > target_time:
 			# lost race
 			get_tree().change_scene("res://Scenes/" + defeat_cutscene + ".tscn")

Scripts/InGameUI.gd

@@ -21,18 +21,16 @@ var timer : RichTextLabel
 func _ready():
 	scene = get_node("/root/Scene")
 	player = get_node("/root/Scene/Player")
-	speedometer = get_node("Speedometer")
-	timer = get_node("Timer")
-	boost_label = get_node("BoostLabel")
+	speedometer = $Speedometer
+	timer = $Timer
+	boost_label = $BoostLabel
 
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta):
-	speedometer.text = str(floor(scene.player_speed_mph)) + " MPH"
+	speedometer.text = " %d MPH" % scene.player_speed_mph
 	
-	var dec_value : int = floor((scene.time_elapsed_in_race - floor(scene.time_elapsed_in_race))
-	* 100)
-	timer.text = str(floor(scene.time_elapsed_in_race)) + ":" + str(dec_value)
+	timer.text = (" %05.2f" % scene.time_elapsed_in_race).replace(".", ":")
 	
 	if player.get_current_action() == Constants.UnitCurrentAction.SPINNING:
 		flash_boost = false

Scripts/PlayerRecorder.gd

@@ -4,17 +4,23 @@ class_name PlayerRecorder
 var replay: ReplayRecording
 var this_frame: bool = true
 var sprite: int = 0
-var player: DownhillAutoscrollerPlayer
+var player: Node
+var scene: Node
 
 export var save_to: String
+export var enabled: bool
 
 func _ready():
+	if not enabled:
+		queue_free()
+		
 	replay = ReplayRecording.new()
 	replay.time_per_frame = 1.0 / 30.0
 	player = get_parent()
 	player.recorder = self
+	scene = player.get_parent()
 
-func _process(delta):
+func _process(_delta):
 	if this_frame:
 		this_frame = false
 		replay.positions.append(player.pos)
@@ -23,3 +29,7 @@ func _process(delta):
 	
 	else:
 		this_frame = true
+
+func save():
+	replay.save_to_uri(save_to)
+	queue_free()

Scripts/ReplayRecording.gd

@@ -1,6 +1,8 @@
 extends Object
 class_name ReplayRecording
 
+const TAPER: float = 7.0
+
 var time_per_frame: float
 var frames: int = 0
 
@@ -13,7 +15,7 @@ func load_from(file: File):
 	positions = []
 	sprites = []
 	
-	for i in range(frames):
+	for _i in range(frames):
 		var x: float = file.get_real()
 		var y: float = file.get_real()
 		positions.append(Vector2(x, y))
@@ -44,10 +46,13 @@ func position(frame: int) -> Vector2:
 	if frame < frames:
 		return positions[frame]
 	else:
-		return positions[-1]
+		return lerp(positions[-2], positions[-1], 2 + TAPER * atan((frame - frames) / TAPER))
 
 func sprite(frame: int) -> int:
 	if frame < frames:
 		return sprites[frame]
 	else:
 		return sprites[-1]
+
+func length() -> float:
+	return time_per_frame * frames

Scripts/Unit.gd

@@ -238,15 +238,20 @@ func handle_idle():
 		else:
 			set_sprite(Constants.SpriteClass.JUMP, 1)
 
-func set_sprite(sprite_class : int, index : int = 0):
+func set_sprite(sprite_class: int, index: int = 0, ignore_bad_values: bool = false):
+	if ignore_bad_values:
+		if not(unit_type in Constants.UNIT_SPRITES) or not(sprite_class in Constants.UNIT_SPRITES[unit_type]):
+			return
+			
 	assert(unit_type in Constants.UNIT_SPRITES)
 	assert(sprite_class in Constants.UNIT_SPRITES[unit_type])
+	
 	var node_list = sprite_class_nodes[sprite_class]
 	var true_index : int = index
 	if true_index > len(node_list) - 1:
 		true_index = 0
 	
-	if recorder != null:
+	if is_instance_valid(recorder):
 		recorder.sprite = (index << 3) | sprite_class
 	
 	var new_sprite : Node2D = node_list[true_index]

Scripts/Units/FollowReplay.gd

@@ -2,10 +2,18 @@ extends Unit
 
 var replay : ReplayRecording = null
 
+export var replay_file: String
+
+func _ready():
+	._ready()
+	replay = ReplayRecording.new()
+	replay.load_from_uri(replay_file)
+	
+
 func process_unit(delta : float, time_elapsed : float):
 	self.time_elapsed = time_elapsed
 	
-	if replay != null:
+	if replay != null and replay.time_per_frame > 0:
 		handle_replay(time_elapsed)
 
 func handle_replay(at_time: float):
@@ -18,4 +26,4 @@ func handle_replay(at_time: float):
 	var index: int = sprite >> 3
 	sprite &= 7
 	
-	set_sprite(sprite, index)
+	set_sprite(sprite, index, true)