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stagger mounting/unmounting/deleting
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,155 @@ | ||
| export interface RenderObject { | ||
| mounted: boolean | ||
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| mount(): this | ||
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| unmount(): this | ||
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| delete(): void | ||
| } | ||
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| export class ObjectManager { | ||
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| private batchSize: number | ||
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| private toMount = new Set<RenderObject>() | ||
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| private toUnmount = new Set<RenderObject>() | ||
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| private toDelete = new Set<RenderObject>() | ||
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| constructor(batchSize: number) { | ||
| this.batchSize = batchSize | ||
| } | ||
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| mount(object: RenderObject) { | ||
| this.toUnmount.delete(object) | ||
| this.toMount.add(object) | ||
| } | ||
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| unmount(object: RenderObject) { | ||
| this.toMount.delete(object) | ||
| this.toUnmount.add(object) | ||
| } | ||
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| delete(object: RenderObject) { | ||
| this.toMount.delete(object) | ||
| this.toUnmount.delete(object) | ||
| this.toDelete.add(object) | ||
| } | ||
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| render() { | ||
| let toDeleteCount = 0 | ||
| let toMountCount = 0 | ||
| let toUnmountCount = 0 | ||
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| for (const object of this.toDelete) { | ||
| if (toMountCount === this.batchSize) { | ||
| break | ||
| } | ||
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| object.delete() | ||
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| this.toDelete.delete(object) | ||
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| toDeleteCount++ | ||
| } | ||
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| for (const object of this.toMount) { | ||
| if (toMountCount === this.batchSize) { | ||
| break | ||
| } | ||
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| object.mount() | ||
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| this.toMount.delete(object) | ||
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| toMountCount++ | ||
| } | ||
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| for (const object of this.toUnmount) { | ||
| if (toUnmountCount === this.batchSize) { | ||
| break | ||
| } | ||
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| object.unmount() | ||
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| this.toUnmount.delete(object) | ||
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| toUnmountCount++ | ||
| } | ||
| } | ||
| } | ||
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| // export class ObjectManager { | ||
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| // private batchSize: number | ||
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| // private toMount = new Set<RenderObject>() | ||
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| // private toUnmount = new Set<RenderObject>() | ||
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| // private toDelete = new Set<RenderObject>() | ||
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| // constructor(batchSize: number) { | ||
| // this.batchSize = batchSize | ||
| // } | ||
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| // mount(object: RenderObject) { | ||
| // this.toUnmount.delete(object) | ||
| // this.toMount.add(object) | ||
| // } | ||
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| // unmount(object: RenderObject) { | ||
| // this.toMount.delete(object) | ||
| // this.toUnmount.add(object) | ||
| // } | ||
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| // delete(object: RenderObject) { | ||
| // this.toDelete.add(object) | ||
| // } | ||
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| // render() { | ||
| // let toDeleteCount = 0 | ||
| // let toMountCount = 0 | ||
| // let toUnmountCount = 0 | ||
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| // for (const object of this.toDelete) { | ||
| // if (toMountCount === this.batchSize) { | ||
| // break | ||
| // } | ||
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| // object.delete() | ||
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| // this.toMount.delete(object) | ||
| // this.toUnmount.delete(object) | ||
| // this.toDelete.delete(object) | ||
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| // toDeleteCount++ | ||
| // } | ||
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| // for (const object of this.toMount) { | ||
| // if (toMountCount === this.batchSize) { | ||
| // break | ||
| // } | ||
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| // object.mount() | ||
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| // this.toMount.delete(object) | ||
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| // toMountCount++ | ||
| // } | ||
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| // for (const object of this.toUnmount) { | ||
| // if (toUnmountCount === this.batchSize) { | ||
| // break | ||
| // } | ||
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| // object.unmount() | ||
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| // this.toUnmount.delete(object) | ||
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| // toUnmountCount++ | ||
| // } | ||
| // } | ||
| // } |
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