173 lines
4.6 KiB
GDScript
173 lines
4.6 KiB
GDScript
extends Reference
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const Dialog = preload("res://dialog_vm.gd")
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# classes from vm
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const DialogSegment = Dialog.DialogSegment
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const DialogWithSubjectSegment = Dialog.DialogWithSubjectSegment
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const DialogWithSubjectExpressionSegment = Dialog.DialogWithSubjectExpressionSegment
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const QuestionSegment = Dialog.QuestionSegment
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const ChoiceSegment = Dialog.ChoiceSegment
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const ChoiceWithJump = Dialog.ChoiceWithJump
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const Choice = Dialog.Choice
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const WaitSegment = Dialog.YieldCallSegment
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# current dialog vm
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var current_dialog
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var audio_player
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# dialog controller related state, internal
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# speed at which dialog prints characters
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var chars_per_second = 16 # initialized from which character is speaking
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var reading_speed_mul = 1
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var special_speed_mul = 1
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# intermediate state for dialog
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var waiting_for_answer = false
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var print_done = false setget _on_print_set
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var print_target = 0
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var print_delta = 0
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# ui button controlled state
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var is_auto_advancing = false
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var auto_advance_delay = 1
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var auto_advance_timer = 0
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var is_new_word = false
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var is_fastforwarding = false
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var ff_speed_mul = 1
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# character printing sound related state
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var sound_playing = false
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var sound_play_time = 2.08 # TODO: maybe adjust this too depending on voice sample/chars per second
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var sound_played_time = 0
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# signals
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signal on_printing_done()
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signal on_printing_changed(status)
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signal on_update_dialog(segment)
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signal on_dialog_completed(d)
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func _init(d, a):
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current_dialog = d
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audio_player = a
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func reset():
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self.print_done = true
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print_target = 0
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print_delta = 0
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# sfx related
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func sound_play():
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sound_playing = true
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audio_player.play()
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func sound_stop():
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audio_player.stop()
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sound_playing = false
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func sound_done_playing(delta):
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sound_played_time += delta * reading_speed_mul * special_speed_mul
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if sound_played_time >= sound_play_time / chars_per_second:
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sound_played_time = 0
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sound_playing = false
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return not sound_playing
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# temporary hopefully
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func _advance_dialog():
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var current_segment = current_dialog.advance()
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if not current_segment == null:
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emit_signal("on_update_dialog", current_segment)
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else:
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emit_signal("on_dialog_completed", self)
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func _on_body_click(is_visible, event):
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if is_visible and not waiting_for_answer:
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if event.is_action_pressed("dialog_click"):
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if print_done == false: # if still printing, jump forwards now
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print_delta = print_target - 1
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self.print_done = true
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else:
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_advance_dialog()
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# interior callbacks
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func _on_print_set(v):
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print_done = v
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if print_done:
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emit_signal("on_printing_done")
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emit_signal("on_printing_changed", v)
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func set_reading_speed(spd):
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reading_speed_mul = spd
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func set_advance_state(s):
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is_auto_advancing = s
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func set_fastforward_state(s):
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is_fastforwarding = s
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if is_fastforwarding:
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is_auto_advancing = true
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ff_speed_mul = 10
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auto_advance_delay = 0.1
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else:
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ff_speed_mul = 1
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auto_advance_delay = 1
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func update_logic_dialog(segment):
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if segment is QuestionSegment:
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var new_content = segment.get_content()
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print_target = new_content.length()
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self.print_done = false
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print_delta = 0
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elif segment is ChoiceSegment:
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waiting_for_answer = true
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elif segment is Choice:
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var new_content = segment.get_response()
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if typeof(new_content) == TYPE_OBJECT and (new_content is DialogWithSubjectSegment or new_content is DialogWithSubjectExpressionSegment):
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_update_logic_dialog(new_content)
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else:
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print_target = new_content.length()
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self.print_done = false
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print_delta = 0
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elif segment is DialogSegment or segment is DialogWithSubjectSegment or segment is DialogWithSubjectExpressionSegment:
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var new_content = segment.get_content()
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print_target = new_content.length()
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self.print_done = false
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print_delta = 0
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elif segment is WaitSegment:
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var new_content = segment.get_content()
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print_target = new_content.length()
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self.print_done = false
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print_delta = 0
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else:
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print("encountered unknown segment: " + segment.get_content())
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func tick(delta, body_label):
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if not current_dialog.is_eof():
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var cur_segment = current_dialog.segments[current_dialog.segment_index]
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if cur_segment is WaitSegment and cur_segment.finished: _advance_dialog()
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if print_target != 0:
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if print_delta >= print_target:
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self.print_done = true
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auto_advance_timer = auto_advance_delay
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print_target = 0
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print_delta = 0
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else:
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if sound_done_playing(delta) and not is_fastforwarding: sound_play()
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body_label.visible_characters = print_delta
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print_delta += delta * (chars_per_second * reading_speed_mul) * ff_speed_mul
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elif print_target == 0:
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auto_advance_timer -= delta
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if auto_advance_timer <= 0 and is_auto_advancing and not waiting_for_answer:
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call_deferred("_advance_dialog") |