moar client-server tick speed separation

src/main/java/carpet/commands/SpawnCommand.java

@@ -1,9 +1,10 @@
 package carpet.commands;
 
 import carpet.CarpetSettings;
+import carpet.fakes.MinecraftServerInterface;
 import carpet.fakes.SpawnGroupInterface;
 import carpet.helpers.HopperCounter;
-import carpet.helpers.TickSpeed;
+import carpet.helpers.TickRateManager;
 import carpet.utils.CommandHelper;
 import carpet.utils.Messenger;
 import carpet.utils.SpawnReporter;
@@ -198,7 +199,8 @@ public class SpawnCommand
 
 
         // tick warp 0
-        TickSpeed.tickrate_advance(null, 0, null, null);
+        TickRateManager trm = ((MinecraftServerInterface)source.getServer()).getTickRateManager();
+        trm.tickrate_advance(null, 0, null, null);
         // tick warp given player
         CommandSourceStack csource = null;
         ServerPlayer player = null;
@@ -210,7 +212,7 @@ public class SpawnCommand
         catch (CommandSyntaxException ignored)
         {
         }
-        TickSpeed.tickrate_advance(player, ticks, null, csource);
+        trm.tickrate_advance(player, ticks, null, csource);
         Messenger.m(source, String.format("gi Started spawn test for %d ticks", ticks));
         return 1;
     }