Expand game engine, replay, tests, and documentation

src/sim/stats.ts

@@ -120,12 +120,11 @@ export function summarize(
     if (e.type === 'clearanceRequested') clearanceRequests++;
     if (e.type === 'clearanceGiven' && e.allow) clearancesAllowed++;
 
-    // The driver reports train lifecycle through `phaseBegan` labels.
-    if (e.type === 'phaseBegan') {
-      if (e.phase.includes('highballed')) highballed++;
-      else if (e.phase.includes('arrived')) arrived++;
-      else if (e.phase.includes('completed')) completed++;
-    }
+    // Train lifecycle now has proper event types; it used to be smuggled through `phaseBegan`
+    // free text, which made the replay unable to say anything useful about it.
+    if (e.type === 'trainHighballed') highballed++;
+    else if (e.type === 'trainArrived') arrived++;
+    else if (e.type === 'trainCompleted') completed++;
   }
 
   for (const i of intents) inc(intentCounts, i);
@@ -213,6 +212,11 @@ export function summarize(
  */
 const EXPECTED_EVENTS = [
   'trainScheduled',
+  'extraQueued',
+  'trainMadeUp',
+  'trainHighballed',
+  'trainArrived',
+  'trainCompleted',
   'carPlacedOnTrain',
   'trayMoved',
   'carsCoupled',