Method execute

packages/procgen/src/nodes/ProcGenNodes.ts:342–356

(node: BlueprintNode, context: unknown)

export class PickRandomExecutor implements INodeExecutor {
    execute(node: BlueprintNode, context: unknown): ExecutionResult {
        const ctx = context as ProcGenContext;
        const seed = ctx.evaluateInput(node.id, 'seed', 0) as number;
        const index = ctx.evaluateInput(node.id, 'index', 0) as number;
        const array = ctx.evaluateInput(node.id, 'array', []) as unknown[];

        if (array.length === 0) {
            return { outputs: { value: null } };
        }

        const rng = new SeededRandom(seed + index * 12345);
        const value = pickOne(array, rng);

        return { outputs: { value } };
    }
}

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