io

type BallConfig struct {
	// Required
	X, Y, Z, Radius float64

	// Optional
	RadiusMultiplier float64
	Name             string
}

type BoundsConfig struct {
	Ball map[string]*BallConfig
	Box  map[string]*BoxConfig
}

type BoxConfig struct {
	// Required
	X, Y, Z                float64
	XWidth, YWidth, ZWidth float64

	// Optional
	ProjectionAxis string

	// Optional, "undocumented"
	Name string
}

type CatalogHeader struct {
	Cosmo CosmologyHeader

	Mass       float64 // Mass of one particle
	Count      int64   // Number of particles in catalog
	TotalCount int64   // Number of particles in all catalogs
	CountWidth int64   // Number of particles "on one side": TotalCount^(1/3)

	Idx        int64   // Index of catalog: x-major ordering is used
	GridWidth  int64   // Number of gird cells "on one side"
	Width      float64 // Width of the catalog's bounding box
	TotalWidth float64 // Width of the sim's bounding box
}

type ConvertSnapshotConfig struct {
	SharedConfig
	// Required
	Cells         int
	Gadget2IDSize int
	InputFormat   string

	// Optional
	IteratedInput, IteratedOutput string
	IterationStart, IterationEnd  int
	XUnits, VUnits, MUnits        float64
}

type ConvertSnapshotWrapper struct {
	ConvertSnapshot ConvertSnapshotConfig
}

type CosmoInfo struct {
	Redshift, ScaleFactor  float64
	OmegaM, OmegaL, Hubble float64
	RhoMean, RhoCritical   float64
	BoxWidth               float64
}

type CosmologyHeader struct {
	Z      float64
	OmegaM float64
	OmegaL float64
	H100   float64
}

type GridHeader struct {
	EndiannessVersion uint64
	Type              TypeInfo
	Cosmo             CosmoInfo
	Render            RenderInfo
	Loc               LocationInfo
	Vel               LocationInfo
}

type IntVector [3]int64

type LocationInfo struct {
	Origin, Span           Vector
	PixelOrigin, PixelSpan IntVector
	PixelWidth             float64
}

type ParticleBuffer struct {
	// contains filtered or unexported fields
}

type RenderConfig struct {
	SharedConfig

	// Required
	Quantity               string
	TotalPixels, Particles int

	// Optional
	AutoParticles                bool
	ImagePixels, ProjectionDepth int
	SubsampleLength              int
	AppendName, PrependName      string
}

type RenderInfo struct {
	Particles          int64
	TotalPixels        int64
	SubsampleLength    int64
	MinProjectionDepth int64
	ProjectionAxis     int64
}

type RenderWrapper struct {
	Render RenderConfig
}

type SharedConfig struct {
	// Required
	Input, Output string
	// Optional
	LogFile, ProfileFile string
}

type SheetHeader struct {
	Cosmo                              CosmologyHeader
	Count, CountWidth                  int64
	SegmentWidth, GridWidth, GridCount int64 // GridWidth = SegmentWidth + 1
	Idx, Cells                         int64

	Mass       float64
	TotalWidth float64

	Origin, Width                 geom.Vec
	VelocityOrigin, VelocityWidth geom.Vec
}

type TetraHistConfig struct {
	SharedConfig

	Quantity string

	HistMin, HistMax float64
	HistBins         int
	HistScale        string

	Particles int

	SubsampleLength int

	GridFile                string
	AppendName, PrependName string
}

type TetraHistWrapper struct {
	TetraHist TetraHistConfig
}

type TypeInfo struct {
	HeaderSize   int64
	GridType     int64
	IsVectorGrid int64
}

type Vector [3]float64