78 lines
1.7 KiB
JavaScript
78 lines
1.7 KiB
JavaScript
define([
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'./BaseComponent',
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'core/ArrayUtilities',
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], (
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BaseComponent,
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array
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) => {
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'use strict';
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function nullableMax(a = null, b = null) {
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if(a === null) {
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return b;
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}
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if(b === null) {
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return a;
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}
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return Math.max(a, b);
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}
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function mergeResults(a, b) {
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array.mergeSets(a.agentIDs, b.agentIDs);
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return {
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agentIDs: a.agentIDs,
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topShift: Math.max(a.topShift, b.topShift),
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y: nullableMax(a.y, b.y),
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asynchronousY: nullableMax(a.asynchronousY, b.asynchronousY),
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};
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}
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class Parallel extends BaseComponent {
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separationPre(stage, env) {
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stage.stages.forEach((subStage) => {
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env.components.get(subStage.type).separationPre(subStage, env);
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});
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}
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separation(stage, env) {
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stage.stages.forEach((subStage) => {
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env.components.get(subStage.type).separation(subStage, env);
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});
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}
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renderPre(stage, env) {
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const baseResults = {
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topShift: 0,
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agentIDs: [],
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asynchronousY: null,
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};
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return stage.stages.map((subStage) => {
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const component = env.components.get(subStage.type);
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const subResult = component.renderPre(subStage, env);
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return BaseComponent.cleanRenderPreResult(subResult);
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}).reduce(mergeResults, baseResults);
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}
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render(stage, env) {
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const originalMakeRegion = env.makeRegion;
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let bottomY = 0;
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stage.stages.forEach((subStage) => {
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env.makeRegion = (o, stageOverride = null) => {
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return originalMakeRegion(o, stageOverride || subStage);
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};
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const component = env.components.get(subStage.type);
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const baseY = component.render(subStage, env) || 0;
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bottomY = Math.max(bottomY, baseY);
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});
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env.makeRegion = originalMakeRegion;
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return bottomY;
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}
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}
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BaseComponent.register('parallel', new Parallel());
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return Parallel;
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});
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