149 lines
5.5 KiB
GDScript
149 lines
5.5 KiB
GDScript
#extends Object
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extends Node
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#class_name Note
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enum {NOTE_TAP, NOTE_HOLD, NOTE_SLIDE, NOTE_ARROW, NOTE_TOUCH, NOTE_TOUCH_HOLD}
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enum SlideType {CHORD, ARC_CW, ARC_ACW}
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const DEATH_DELAY := 0.45
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class NoteBase:
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var time_hit: float
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var time_death: float
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var column: int
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var double_hit := false
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var time_activated := INF
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var missed := false
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class NoteTap extends NoteBase:
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var type := NOTE_TAP
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func _init(time_hit: float, column: int):
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self.time_hit = time_hit
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self.time_death = time_hit + DEATH_DELAY
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self.column = column
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class NoteHold extends NoteBase:
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var type := NOTE_HOLD
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var time_release: float
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var duration: float
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var is_held: bool
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func _init(time_hit: float, duration: float, column: int):
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self.time_hit = time_hit
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self.duration = duration
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self.time_release = time_hit + duration
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self.time_death = time_release + DEATH_DELAY
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self.column = column
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self.is_held = false
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class NoteSlide extends NoteBase:
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var type := NOTE_SLIDE
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var time_release: float
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var duration: float
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var column_release: int
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var slide_type: int
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var slide_id: int
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var values: Dictionary
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func _init(time_hit: float, duration: float, column: int, column_release: int, slide_type: int):
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self.time_hit = time_hit
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self.duration = duration
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self.time_release = time_hit + duration
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self.time_death = time_release + DEATH_DELAY
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self.column = column
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self.column_release = column_release
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self.slide_type = slide_type
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self.values = {}
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update_slide_variables()
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func update_slide_variables():
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match slide_type:
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Note.SlideType.CHORD:
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values.start = GameTheme.RADIAL_UNIT_VECTORS[column] * GameTheme.receptor_ring_radius
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values.end = GameTheme.RADIAL_UNIT_VECTORS[column_release] * GameTheme.receptor_ring_radius
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values.angle = (values.end - values.start).angle()
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Note.SlideType.ARC_CW:
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values.start_a = GameTheme.RADIAL_COL_ANGLES[column]
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values.end_a = GameTheme.RADIAL_COL_ANGLES[column_release]
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if values.end_a < values.start_a:
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values.end_a += TAU
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Note.SlideType.ARC_ACW:
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values.start_a = GameTheme.RADIAL_COL_ANGLES[column]
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values.end_a = GameTheme.RADIAL_COL_ANGLES[column_release]
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if values.end_a > values.start_a:
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values.end_a -= TAU
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func get_position(progress: float) -> Vector2:
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match slide_type:
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Note.SlideType.CHORD:
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return lerp(values.start, values.end, progress)
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Note.SlideType.ARC_CW:
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var circle_angle : float = lerp(values.start_a, values.end_a, progress)
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return polar2cartesian(GameTheme.receptor_ring_radius, circle_angle)
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Note.SlideType.ARC_ACW:
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var circle_angle : float = lerp(values.start_a, values.end_a, progress)
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return polar2cartesian(GameTheme.receptor_ring_radius, circle_angle)
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func get_angle(progress: float) -> float:
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match slide_type:
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Note.SlideType.CHORD:
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return values.angle
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Note.SlideType.ARC_CW:
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var circle_angle : float = lerp(values.start_a, values.end_a, progress)
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return circle_angle + PI/2.0
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Note.SlideType.ARC_ACW:
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var circle_angle : float = lerp(values.start_a, values.end_a, progress)
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return circle_angle - PI/2.0
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func get_slide_length() -> float:
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# Return unit-circle (r=1) length of slide trail
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match slide_type:
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Note.SlideType.CHORD:
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return 2*abs(sin((GameTheme.RADIAL_COL_ANGLES[column_release] - GameTheme.RADIAL_COL_ANGLES[column])/2))
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Note.SlideType.ARC_CW:
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return fposmod(GameTheme.RADIAL_COL_ANGLES[column_release] - GameTheme.RADIAL_COL_ANGLES[column], TAU)
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Note.SlideType.ARC_ACW:
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return fposmod(GameTheme.RADIAL_COL_ANGLES[column] - GameTheme.RADIAL_COL_ANGLES[column_release], TAU)
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static func make_tap(time_hit: float, column: int) -> NoteTap:
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# return {type=NOTE_TAP, time_hit=time_hit, time_death=time_hit+DEATH_DELAY, column=column, double_hit=false}
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return NoteTap.new(time_hit, column)
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static func make_break(time_hit: float, column: int): # -> Dictionary:
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# return {type=NOTE_TAP, time_hit=time_hit, time_death=time_hit+DEATH_DELAY, column=column, double_hit=false}
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return NoteTap.new(time_hit, column)
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static func make_hold(time_hit: float, duration: float, column: int) -> NoteHold:
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# var time_release := time_hit + duration
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# return {type=NOTE_HOLD, time_hit=time_hit, time_release=time_release, time_death=time_release+DEATH_DELAY, column=column, double_hit=false}
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return NoteHold.new(time_hit, duration, column)
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static func make_slide(time_hit: float, duration: float, column: int, column_release: int, slide_type:=SlideType.CHORD) -> NoteSlide:
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return NoteSlide.new(time_hit, duration, column, column_release, slide_type)
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static func make_touch(time_hit: float, location: Vector2) -> Dictionary:
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return {type=NOTE_TOUCH, time_hit=time_hit, time_death=time_hit+DEATH_DELAY, location=location, double_hit=false}
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static func make_touch_hold(time_hit: float, duration: float, location: Vector2) -> Dictionary:
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var time_release := time_hit + duration
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return {type=NOTE_TOUCH_HOLD, time_hit=time_hit, time_release=time_release, time_death=time_release+DEATH_DELAY, location=location, double_hit=false}
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static func process_note_list(note_array: Array):
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# Preprocess double hits, assign Slide IDs
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# If this were performance-critical, we'd single iterate it
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# It's not though, so we lay it out simply
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var slide_id := 0
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if len(note_array):
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# Doubles
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for i in len(note_array)-1:
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if note_array[i].time_hit == note_array[i+1].time_hit:
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note_array[i].double_hit = true
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note_array[i+1].double_hit = true
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# Slides
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for i in len(note_array):
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if note_array[i].type == NOTE_SLIDE:
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note_array[i].slide_id = slide_id
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slide_id += 1
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