Rework elevator gameplay around pulse-blocking and per-floor spawning

scenes/screen.gd

@@ -1,106 +1,165 @@
 extends Panel
-# my beautiful screen
-var sweep_speed := 150.0
-var sweep_direction := 1
-var sweep_x := 0.0
-var is_hacked := true
 
-var style_box: StyleBoxFlat
+# Pulse movement
+var pulse_speed := 120.0
+var pulse_speed_increase := 15.0
+var pulse_x := 0.0
+var pulse_active := false
+var pulse_gap := 1.0
+var pulse_gap_decrease := 0.05
+var pulse_gap_min := 0.3
+
+# Block zone (shrinks per floor, not per block)
+var block_zone_shrink := 3.0
+var block_zone_min := 12.0
+
+# Visual
 var base_color: Color
 
-var target_shrink := 4.0
-var target_min_width := 8.0
+# State
+var active := false
+var pulses_blocked := 0
 
-signal hack_defeated
-signal hack_failed
+signal pulse_blocked
+signal doors_closing
 
 func _ready():
-	style_box = get_theme_stylebox("panel").duplicate()
-	add_theme_stylebox_override("panel", style_box)
-	base_color = style_box.bg_color
-
-	var tz = $TargetZone
-	tz.position = Vector2((size.x - tz.size.x) / 2, 20)
-	tz.size = Vector2(40, size.y - 40)
+	# Block zone on right side of screen
+	var bz = $TargetZone
+	bz.size = Vector2(50, size.y - 40)
+	bz.position = Vector2(size.x - bz.size.x - 10, 20)
 
+	# Pulse line (hidden until first pulse)
 	var sl = $SweepLine
-	sl.position = Vector2(0, 20)
 	sl.size = Vector2(4, size.y - 40)
-	sweep_x = 0.0
+	sl.position = Vector2(0, 20)
+	sl.visible = false
 
+	# AI face
 	var face = $AIFace
 	face.position = Vector2(0, 0)
 	face.size = Vector2(size.x, 30)
 	face.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+	face.text = ">:)"
 
-func _process(delta):
-	if not is_hacked:
+	# Duplicate the StyleBoxFlat so flash tweens don't bleed into other panels
+	var style = get_theme_stylebox("panel") as StyleBoxFlat
+	if style:
+		style = style.duplicate()
+		add_theme_stylebox_override("panel", style)
+		base_color = style.bg_color
+
+# --- Per-floor lifecycle ---
+
+func start():
+	active = true
+	pulses_blocked = 0
+	pulse_speed = 120.0
+	pulse_gap = 1.0
+	$AIFace.text = ">:)"
+	$TargetZone.visible = true
+
+func stop():
+	active = false
+	pulse_active = false
+	$SweepLine.visible = false
+
+func shrink_block_zone():
+	var bz = $TargetZone
+	var new_width = max(bz.size.x - block_zone_shrink, block_zone_min)
+	bz.size.x = new_width
+	bz.position.x = size.x - new_width - 10
+
+# --- Pulse logic ---
+
+# Called by elevator_panel when a survivor reaches the door.
+func launch_pulse():
+	if not active:
 		return
-
-	sweep_x += sweep_speed * sweep_direction * delta
-
-	if sweep_x >= size.x:
-		sweep_direction = -1
-	elif sweep_x <= 0:
-		sweep_direction = 1
-
-	$SweepLine.position.x = sweep_x
-
-func flash(color: Color):
-	style_box.bg_color = color
-	var tween = create_tween()
-	tween.tween_property(style_box, "bg_color", base_color, 0.3)
-
-func reset_hack():
-	is_hacked = true
-	sweep_x = 0.0
-	sweep_direction = 1
+	pulse_x = 0.0
+	pulse_active = true
 	$SweepLine.visible = true
 	$SweepLine.position.x = 0
 	$AIFace.text = ">:)"
 
-	var tz = $TargetZone
-	tz.size.x = max(tz.size.x - target_shrink, target_min_width)
-	tz.position.x = (size.x - tz.size.x) / 2
+func get_pulse_gap() -> float:
+	return pulse_gap
 
-# messtastic
-func show_countdown():
+func _process(delta):
+	if not active or not pulse_active:
+		return
+
+	pulse_x += pulse_speed * delta
+	$SweepLine.position.x = pulse_x
+
+	# Pulse reached the far side unblocked: AI wins, doors close
+	if pulse_x >= size.x:
+		pulse_active = false
+		$SweepLine.visible = false
+		$AIFace.text = ":D"
+		flash(Color.RED)
+		active = false
+		doors_closing.emit()
+
+# Called by elevator_panel when player presses BLOCK.
+func attempt_block() -> bool:
+	if not pulse_active:
+		return false  # no pulse on screen, button does nothing
+
+	var bz = $TargetZone
+	var bz_left = bz.position.x
+	var bz_right = bz.position.x + bz.size.x
+
+	if pulse_x >= bz_left and pulse_x <= bz_right:
+		# Blocked: doors stay open, this survivor gets in
+		pulse_active = false
+		pulses_blocked += 1
+		pulse_speed += pulse_speed_increase
+		pulse_gap = max(pulse_gap - pulse_gap_decrease, pulse_gap_min)
+		$SweepLine.visible = false
+		$AIFace.text = ">:("
+		flash(Color.GREEN)
+		pulse_blocked.emit()
+		return true
+	else:
+		# Mistimed: same result as letting it through
+		pulse_active = false
+		$SweepLine.visible = false
+		$AIFace.text = ":D"
+		flash(Color.RED)
+		active = false
+		doors_closing.emit()
+		return false
+
+# --- Display helpers ---
+
+func flash(color: Color):
+	var style = get_theme_stylebox("panel") as StyleBoxFlat
+	if not style:
+		return
+	style.bg_color = color
 	var tween = create_tween()
+	tween.tween_property(style, "bg_color", base_color, 0.3)
+
+func show_countdown():
+	stop()
 	$AIFace.text = "3"
-	tween.tween_callback(func(): $AIFace.text = "2").set_delay(0.6)
-	tween.tween_callback(func(): $AIFace.text = "1").set_delay(0.6)
-	tween.tween_callback(func(): $AIFace.text = "CLOSED").set_delay(0.6)
+	var tween = create_tween()
+	tween.tween_interval(0.6)
+	tween.tween_callback(func(): $AIFace.text = "2")
+	tween.tween_interval(0.6)
+	tween.tween_callback(func(): $AIFace.text = "1")
+	tween.tween_interval(0.6)
+	tween.tween_callback(func(): $AIFace.text = "CLOSED")
 
 func show_win():
-	is_hacked = false
-	$SweepLine.visible = false
+	stop()
 	$TargetZone.visible = false
 	$AIFace.text = "ESCAPED"
 	flash(Color.GREEN)
 
-func show_loss(message := "TOO FEW"):
-	is_hacked = false
-	$SweepLine.visible = false
+func show_loss(message: String):
+	stop()
 	$TargetZone.visible = false
 	$AIFace.text = message
 	flash(Color.RED)
-
-# target zones
-func attempt_hack() -> bool:
-	var tz = $TargetZone
-	var tz_left = tz.position.x
-	var tz_right = tz.position.x + tz.size.x
-
-	if sweep_x >= tz_left and sweep_x <= tz_right:
-		is_hacked = false
-		$AIFace.text = ">:("
-		$SweepLine.visible = false
-		flash(Color.GREEN)
-		hack_defeated.emit()
-		return true
-	else:
-		sweep_speed += 20.0
-		$AIFace.text = ":D"
-		flash(Color.RED)
-		hack_failed.emit()
-		return false