osu

type Colours struct {
	Combos              [8]color.RGBA
	SliderTrackOverride color.RGBA
	SliderBorder        color.RGBA
}

type Difficulty struct {
	HPDrainRate       float64
	CircleSize        float64
	OverallDifficulty float64
	ApproachRate      float64
	SliderMultiplier  float64
	SliderTickRate    float64
}

type Editor struct {
	Bookmarks       []int // delimiter,
	DistanceSpacing float64
	BeatDivisor     int
	GridSize        int
	TimelineZoom    float64
}

type Event struct {
	Type      string
	StartTime int
	EndTime   int
	Filename  string
	XOffset   int
	YOffset   int
}

type Format struct {
	FormatVersion int // delimiter:(space)
	General
	Editor
	Metadata
	Difficulty
	Events       []Event
	TimingPoints []TimingPoint
	Colours      // Beware this is not a slice.
	HitObjects   []HitObject
}

type General struct {
	AudioFilename            string
	AudioLeadIn              int
	AudioHash                string // deprecated
	PreviewTime              int
	Countdown                int
	SampleSet                string
	StackLeniency            float64
	Mode                     int
	LetterboxInBreaks        bool
	StoryFireInFront         bool // deprecated
	UseSkinSprites           bool
	AlwaysShowPlayfield      bool // deprecated
	OverlayPosition          string
	SkinPreference           string
	EpilepsyWarning          bool
	CountdownOffset          int
	SpecialStyle             bool
	WidescreenStoryboard     bool
	SamplesMatchPlaybackRate bool
}

type HitObject struct {
	X            int
	Y            int
	Time         int
	NoteType     int
	HitSound     int
	EndTime      int
	SliderParams SliderParams
	HitSample    HitSample
}

type HitSample struct {
	NormalSet   int    // Sample set of the normal sound.
	AdditionSet int    // Sample set of the whistle, finish, and clap sounds.
	Index       int    // If this is 0, the timing point's sample index will be used.
	Volume      int    // If this is 0, the timing point's volume will be used.
	Filename    string // Custom filename of the addition sound.
}

type Metadata struct {
	Title         string
	TitleUnicode  string
	Artist        string
	ArtistUnicode string
	Creator       string
	Version       string
	Source        string
	Tags          []string // delimiter(space)
	BeatmapID     int
	BeatmapSetID  int
}

type Point = [2]int // delimiter:

type SliderParams struct {
	CurveType   string  // one letter
	CurvePoints []Point // delimiter|
	Slides      int
	Length      float64
	EdgeSounds  []int   // delimiter|
	EdgeSets    []Point // delimiter|
}

type TimingPoint struct {
	Time        int
	BeatLength  float64
	Meter       int
	SampleSet   int
	SampleIndex int
	Volume      int
	Uninherited bool
	Effects     int
}