57 lines
1.7 KiB
TypeScript
57 lines
1.7 KiB
TypeScript
import { createOpaqueId } from "../core/ids";
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import { cloneWorldSettings, type WorldSettings } from "../document/world-settings";
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import { cloneProjectAssetRecord, type ImageAssetRecord } from "../assets/project-assets";
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import type { EditorCommand } from "./command";
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interface ImportBackgroundImageAssetCommandOptions {
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asset: ImageAssetRecord;
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world: WorldSettings;
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label?: string;
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}
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export function createImportBackgroundImageAssetCommand(options: ImportBackgroundImageAssetCommandOptions): EditorCommand {
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const nextAsset = cloneProjectAssetRecord(options.asset);
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const nextWorld = cloneWorldSettings(options.world);
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let previousWorld: WorldSettings | null = null;
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return {
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id: createOpaqueId("command"),
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label: options.label ?? `Import ${nextAsset.sourceName} as background`,
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execute(context) {
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const currentDocument = context.getDocument();
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if (currentDocument.assets[nextAsset.id] !== undefined) {
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throw new Error(`Asset ${nextAsset.id} already exists.`);
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}
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if (previousWorld === null) {
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previousWorld = cloneWorldSettings(currentDocument.world);
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}
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context.setDocument({
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...currentDocument,
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assets: {
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...currentDocument.assets,
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[nextAsset.id]: cloneProjectAssetRecord(nextAsset)
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},
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world: cloneWorldSettings(nextWorld)
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});
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},
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undo(context) {
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const currentDocument = context.getDocument();
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const nextAssets = {
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...currentDocument.assets
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};
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delete nextAssets[nextAsset.id];
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context.setDocument({
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...currentDocument,
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assets: nextAssets,
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world: previousWorld === null ? cloneWorldSettings(currentDocument.world) : cloneWorldSettings(previousWorld)
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});
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}
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};
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}
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