20w17a

src/main/java/carpet/mixins/IntegratedServerMixin.java

@@ -7,12 +7,17 @@ import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
 @Mixin(IntegratedServer.class)
 public class IntegratedServerMixin
 {
-    @Inject(method = "loadWorld", at = @At("HEAD"))
-    private void onSetupServerIntegrated(String string, long l, LevelGeneratorOptions levelGeneratorOptions, CallbackInfo ci) {
+    @Inject(method = "setupServer", at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/server/integrated/IntegratedServer;loadWorld()V",
+            shift = At.Shift.BEFORE
+    ))
+    private void onSetupServerIntegrated(CallbackInfoReturnable<Boolean> cir) {
         CarpetServer.onServerLoaded((IntegratedServer) (Object) this);
     }
 }