Pull up CategorizedPool. Add Reset method for ObjectPool.

Assets/Cryville/Crtr/ChartPlayer.cs

@@ -517,8 +517,6 @@ namespace Cryville.Crtr {
 			try {
 				workerTimer = new diag::Stopwatch();
 				workerTimer.Start();
-				RMVPool.Prepare();
-				MotionCachePool.Prepare();
 				LoadChart(info);
 				workerTimer.Stop();
 				Logger.Log("main", 1, "Load/WorkerThread", "Worker thread done ({0}ms)", workerTimer.Elapsed.TotalMilliseconds);
@@ -607,6 +605,8 @@ namespace Cryville.Crtr {
 				pruleset = ruleset.Root;
 				pruleset.Optimize(etor);
 			}
+			ContainerState.RMVPool = new RMVPool();
+			ContainerState.MCPool = new MotionCachePool();
 		}
 
 		void LoadSkin(FileInfo file) {