Game jam submission

scripts/player.gd

@@ -2,23 +2,66 @@ class_name Player
 extends CharacterBody3D
 
 @export var player_id := 1
-@export var gravity_vector := Vector3(0, -20, 0)
+@export var gravity_vector := Vector3(0, -15, 0)
 @export var move_speed := 8.0
 @export var accel := 50.0
 @export var friction := 16.0
-@export var jump_speed := 12.0
+@export var jump_speed := 8.0
 @export var air_control := 0.65
 @export var coyote := 0.1
 @export var buffer := 0.1
-@export var col1 := Color(0.3, 0.6, 1)
-@export var col2 := Color(1, 0.47, 0.35)
 
 var ct := 0.0
 var bt := 0.0
 
+## Player-vs-player stacking. A rider standing on us would otherwise block our
+## own move_and_slide (its collider reads as a slanted wall), so while carried we
+## drop the players layer from our mask — the rider keeps colliding with us, the
+## test is one-way. Carrying the rider along is CharacterBody3D's own
+## moving-platform handling; adding it again here just launches them off.
+const PLAYERS_LAYER := 2
+const CARRIED_LINGER := 0.1
+var carried_t := 0.0
+
+## Cleared when the run ends. Physics keeps running — the player still falls,
+## slides to a stop and gets dragged by whatever is left of the rope — only
+## input is ignored.
+var controls_enabled := true : set = set_controls_enabled
+
+const BLUE_TEXTURE_DIR := "res://assets/Chara_blue/"
+
+# Drops the buffered jump on the way out, so a press from the frame before the
+# controls were cut does not still fire afterwards.
+func set_controls_enabled(value : bool) -> void:
+	controls_enabled = value
+	if not value:
+		bt = 0.0
+
 func _ready():
 	add_to_group("players")
-	# $Body.color = col1 if player_id == 1 else col2
+	if player_id == 1:
+		_apply_blue_skin(self)
+
+# The character mesh ships with the red base-color maps baked into its
+# materials. Player 1 reuses the same mesh with the blue maps swapped in:
+# every other map (normal/roughness/metallic/height) is shared between the
+# two colour variants, so only albedo needs overriding.
+func _apply_blue_skin(node: Node) -> void:
+	for child in node.get_children():
+		_apply_blue_skin(child)
+	var mi := node as MeshInstance3D
+	if mi == null or mi.mesh == null:
+		return
+	for i in mi.mesh.get_surface_count():
+		var mat := mi.get_active_material(i) as BaseMaterial3D
+		if mat == null or mat.albedo_texture == null:
+			continue
+		var blue_path := BLUE_TEXTURE_DIR + mat.albedo_texture.resource_path.get_file()
+		if not ResourceLoader.exists(blue_path):
+			continue
+		var blue_mat := mat.duplicate() as BaseMaterial3D
+		blue_mat.albedo_texture = load(blue_path)
+		mi.set_surface_override_material(i, blue_mat)
 
 func _physics_process(d):
 	var up = Vector3.UP if gravity_vector.length_squared() < 0.0001 else -gravity_vector.normalized()
@@ -26,9 +69,9 @@ func _physics_process(d):
 	velocity += gravity_vector * d
 	ct = coyote if is_on_floor() else max(ct - d, 0.0)
 	bt = max(bt - d, 0.0)
-	if Input.is_action_just_pressed("p%d_jump" % player_id):
+	if controls_enabled and Input.is_action_just_pressed("p%d_jump" % player_id):
 		bt = buffer
-	var ix = Input.get_axis("p%d_left" % player_id, "p%d_right" % player_id)
+	var ix = Input.get_axis("p%d_left" % player_id, "p%d_right" % player_id) if controls_enabled else 0.0
 	var a = accel if is_on_floor() else accel * air_control
 	if abs(ix) > 0.01:
 		velocity.x = move_toward(velocity.x, ix * move_speed, a * d)
@@ -38,8 +81,19 @@ func _physics_process(d):
 		velocity = velocity.slide(up) + up * jump_speed
 		bt = 0.0
 		ct = 0.0
+	carried_t = max(carried_t - d, 0.0)
+	set_collision_mask_value(PLAYERS_LAYER, carried_t <= 0.0)
 	# plane lock: 2D platformer physics in a 3D scene. Sliding along an angled
 	# collision normal can otherwise walk the player off the Z=0 plane.
 	velocity.z = 0.0
 	move_and_slide()
+	# Riding is handled by CharacterBody3D's own moving-platform support, so the
+	# only thing to do here is tell whoever we landed on that it is carrying us.
+	for i in get_slide_collision_count():
+		var col := get_slide_collision(i)
+		if col.get_normal().dot(up) < 0.7:
+			continue
+		var below := col.get_collider() as Player
+		if below != null:
+			below.carried_t = CARRIED_LINGER
 	global_position.z = 0.0