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extends RichTextLabel
export(PoolColorArray) var char_colors = PoolColorArray()
export var fade_step_time = 0.1
export var do_autostart = true
export var char_delta = 1.0
export var char_step = 0.01
export var time_until_fadeout = 1.0
var fade_timer
var wait_timer
var delta
var current_max_index
var last_index_delta
var fadein
func set_bbcode_opacity():
var new_bbcode = str("")
for i in min(char_colors.size(), text.length()):
if i <= current_max_index:
if fadein == true:
char_colors[i].a = min(char_colors[i].a + char_step, 1.0)
else:
char_colors[i].a = max(char_colors[i].a - char_step, 0.0)
new_bbcode += "[color=#" + char_colors[i].to_html(true) + "]" + text[i] + "[/color]"
set_bbcode(new_bbcode)
if char_colors[char_colors.size() - 1].a == 1.0 and fadein == true:
fade_timer.stop()
wait_timer.start()
func set_next_char():
last_index_delta = delta
current_max_index = min(current_max_index + 1, text.length())
func reset(_fadein = true):
delta = 0
current_max_index = 0
last_index_delta = delta
fadein = _fadein
func _ready():
if char_colors.size() > text.length() or char_colors.size() == 0:
push_error (str(self.name) + ": Size of character colors more than the text length: " + str(char_colors.size()) + " > " + str(text.length()))
get_tree().quit(-1)
if char_colors.size() < text.length():
var i = char_colors.size() - 1
while i < text.length() - 1:
char_colors.append(char_colors[i])
i += 1
for i in char_colors.size():
char_colors[i].a = 0.0
current_max_index = -1
set_bbcode_opacity()
reset(true)
fade_timer = Timer.new()
fade_timer.set_one_shot(false)
fade_timer.set_wait_time(fade_step_time)
fade_timer.set_autostart(do_autostart)
fade_timer.connect("timeout", self, "_fade_timer_callback")
add_child(fade_timer)
wait_timer = Timer.new()
wait_timer.set_one_shot(true)
wait_timer.set_wait_time(time_until_fadeout)
wait_timer.set_autostart(false)
wait_timer.connect("timeout", self, "_wait_timer_callback")
add_child(wait_timer)
func _process(_delta):
delta += _delta
func _fade_timer_callback():
if current_max_index >= 0:
if delta > last_index_delta + char_delta:
set_next_char()
set_bbcode_opacity()
func _wait_timer_callback():
reset(false)
fade_timer.start()
func _on_start_light_timeout():
fade_timer.start()
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