package world

func mergeOverrides(classOv, userOv StyleOverride) StyleOverride {
	out := classOv

	// Colors: nil means "unset"
	if userOv.FillColor != nil {
		out.FillColor = userOv.FillColor
	}
	if userOv.StrokeColor != nil {
		out.StrokeColor = userOv.StrokeColor
	}

	// Pointers: nil means "unset"
	if userOv.StrokeWidthPx != nil {
		out.StrokeWidthPx = userOv.StrokeWidthPx
	}
	if userOv.StrokeDashes != nil {
		out.StrokeDashes = userOv.StrokeDashes
	}
	if userOv.StrokeDashOffset != nil {
		out.StrokeDashOffset = userOv.StrokeDashOffset
	}
	if userOv.PointRadiusPx != nil {
		out.PointRadiusPx = userOv.PointRadiusPx
	}

	return out
}