feat # 继续补全遗物系统

mengsan/relics/random.js

@@ -0,0 +1,10 @@
+// Same saved Mulberry32 stream as progression/state.js; avoids the config import cycle.
+export function relicRandom(run) {
+    let value = Number(run.randomState || run.seed || Date.now()) >>> 0;
+    value += 0x6d2b79f5;
+    run.randomState = value >>> 0;
+    let result = Math.imul(value ^ value >>> 15, value | 1);
+    result ^= result + Math.imul(result ^ result >>> 7, result | 61);
+    return ((result ^ result >>> 14) >>> 0) / 4294967296;
+}
+export const relicRandomGet = (run, list) => list.length ? list[Math.floor(relicRandom(run) * list.length)] : null;