IliaDenisov
156 lines
3.0 KiB
Go
156 lines
3.0 KiB
Go
package world
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// Functional options for primitive creation.
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// Defaults are applied first, then user options override.
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type PointOpt func(*PointOptions)
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type PointOptions struct {
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Priority int
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StyleID StyleID
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Override StyleOverride
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Class PointClassID
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HitSlopPx int
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hasStyleID bool
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}
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func defaultPointOptions() PointOptions {
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return PointOptions{
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Priority: DefaultPriorityPoint,
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StyleID: StyleIDDefaultPoint,
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Class: PointClassDefault,
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}
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}
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func PointWithPriority(p int) PointOpt {
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return func(o *PointOptions) {
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o.Priority = p
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}
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}
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// PointWithStyleID forces the point to use a pre-registered style.
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func PointWithStyleID(id StyleID) PointOpt {
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return func(o *PointOptions) {
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o.StyleID = id
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o.hasStyleID = true
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// Explicit style ID wins over overrides.
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o.Override = StyleOverride{}
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}
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}
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func PointWithClass(c PointClassID) PointOpt {
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return func(o *PointOptions) { o.Class = c }
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}
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// PointWithStyleOverride derives a style from default point style and applies overrides.
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// If you also set StyleID, StyleID wins.
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func PointWithStyleOverride(ov StyleOverride) PointOpt {
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return func(o *PointOptions) {
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o.Override = ov
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}
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}
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func PointWithHitSlopPx(px int) PointOpt {
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return func(o *PointOptions) { o.HitSlopPx = px }
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}
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type CircleOpt func(*CircleOptions)
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type CircleOptions struct {
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Priority int
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StyleID StyleID
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Override StyleOverride
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Class CircleClassID
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HitSlopPx int
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hasStyleID bool
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}
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func defaultCircleOptions() CircleOptions {
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return CircleOptions{
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Priority: DefaultPriorityCircle,
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StyleID: StyleIDDefaultCircle,
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Class: CircleClassDefault,
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}
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}
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func CircleWithPriority(p int) CircleOpt {
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return func(o *CircleOptions) {
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o.Priority = p
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}
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}
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func CircleWithStyleID(id StyleID) CircleOpt {
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return func(o *CircleOptions) {
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o.StyleID = id
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o.hasStyleID = true
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o.Override = StyleOverride{}
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}
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}
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func CircleWithClass(c CircleClassID) CircleOpt {
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return func(o *CircleOptions) { o.Class = c }
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}
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func CircleWithStyleOverride(ov StyleOverride) CircleOpt {
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return func(o *CircleOptions) {
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o.Override = ov
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}
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}
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func CircleWithHitSlopPx(px int) CircleOpt {
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return func(o *CircleOptions) { o.HitSlopPx = px }
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}
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type LineOpt func(*LineOptions)
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type LineOptions struct {
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Priority int
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StyleID StyleID
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Override StyleOverride
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Class LineClassID
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HitSlopPx int
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hasStyleID bool
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}
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func defaultLineOptions() LineOptions {
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return LineOptions{
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Priority: DefaultPriorityLine,
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StyleID: StyleIDDefaultLine,
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Class: LineClassDefault,
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}
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}
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func LineWithPriority(p int) LineOpt {
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return func(o *LineOptions) {
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o.Priority = p
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}
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}
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func LineWithStyleID(id StyleID) LineOpt {
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return func(o *LineOptions) {
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o.StyleID = id
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o.hasStyleID = true
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o.Override = StyleOverride{}
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}
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}
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func LineWithClass(c LineClassID) LineOpt {
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return func(o *LineOptions) { o.Class = c }
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}
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func LineWithStyleOverride(ov StyleOverride) LineOpt {
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return func(o *LineOptions) {
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o.Override = ov
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}
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}
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func LineWithHitSlopPx(px int) LineOpt {
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return func(o *LineOptions) { o.HitSlopPx = px }
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}
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