create fumen-replay script for use with tidepool data

tidepool-utils/fumen-replay.js

@@ -0,0 +1,37 @@
+import { argv } from 'node:process'
+import { readFile } from 'node:fs/promises'
+import { encoder as fumenEncoder } from 'tetris-fumen'
+import { Simul } from './lib/sim.js'
+
+export async function main(args) {
+    if (args.length < 1) {
+        throw new Error('no input file specified');
+    }
+
+    let buf = await readFile(args[0]);
+    let data = JSON.parse(buf.toString('utf-8'));
+    if (!data.moves) {
+        throw new Error('cannot generate replay without moves; pass --list-moves flag to tidepool');
+    }
+
+    let sim = new Simul(data.seed, data.config);
+    let pages = [];
+    for (let move of data.moves) {
+        let mino = {
+            type: move.type,
+            rotation: {
+                'north': 'spawn',
+                'east': 'right',
+                'south': 'reverse',
+                'west': 'left',
+            }[move.orientation],
+            x: move.x,
+            y: move.y,
+        };
+        pages.push(sim.play(mino));
+    }
+
+    console.log(fumenEncoder.encode(pages));
+}
+
+main(argv.slice(2));

tidepool-utils/lib/sim.js

@@ -131,7 +131,7 @@ function getGarbageLevel(matrix) {
     return level;
 }
 
-if (true) {
+if (false) {
     // see `tidepool::sim::test::test_deterministic()`
     let sim = new Simul("0x1234567800ABCDEF", {
         goal: 100,