Allow replay to be started in sync mode (required for #349)

src/main/java/com/replaymod/replay/FullReplaySender.java

@@ -225,7 +225,7 @@ public class FullReplaySender extends ChannelDuplexHandler implements ReplaySend
     /**
      * Whether we're currently reading packets from the login phase.
      */
-    private boolean loginPhase;
+    private boolean loginPhase = true;
 
     /**
      * Whether we need to restart the current replay. E.g. when jumping backwards in time

src/main/java/com/replaymod/replay/ReplayModReplay.java

@@ -167,24 +167,34 @@ public class ReplayModReplay implements Module {
     }
 
     public void startReplay(ReplayFile replayFile) throws IOException {
-        startReplay(replayFile, true);
+        startReplay(replayFile, true, true);
     }
 
-    public void startReplay(ReplayFile replayFile, boolean checkModCompat) throws IOException {
+    public ReplayHandler startReplay(ReplayFile replayFile, boolean checkModCompat, boolean asyncMode) throws IOException {
         if (replayHandler != null) {
             replayHandler.endReplay();
         }
         if (checkModCompat) {
             ModCompat.ModInfoDifference modDifference = new ModCompat.ModInfoDifference(replayFile.getModInfo());
             if (!modDifference.getMissing().isEmpty() || !modDifference.getDiffering().isEmpty()) {
-                new GuiModCompatWarning(this, replayFile, modDifference).display();
+                GuiModCompatWarning screen = new GuiModCompatWarning(modDifference);
-                return;
+                screen.loadButton.onClick(() -> {
+                    try {
+                        startReplay(replayFile, false, asyncMode);
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                    }
+                });
+                screen.display();
+                return null;
             }
         }
-        replayHandler = new ReplayHandler(replayFile, true);
+        replayHandler = new ReplayHandler(replayFile, asyncMode);
         //#if MC>=11400
         KeyBinding.updateKeysByCode(); // see Mixin_ContextualKeyBindings
         //#endif
+
+        return replayHandler;
     }
 
     public void forcefullyStopReplay() {

src/main/java/com/replaymod/replay/gui/screen/GuiModCompatWarning.java

@@ -1,9 +1,7 @@
 package com.replaymod.replay.gui.screen;
 
 import com.replaymod.core.utils.ModCompat;
-import com.replaymod.replay.ReplayModReplay;
 import com.replaymod.replaystudio.data.ModInfo;
-import com.replaymod.replaystudio.replay.ReplayFile;
 import com.replaymod.replaystudio.util.I18n;
 import de.johni0702.minecraft.gui.container.AbstractGuiScreen;
 import de.johni0702.minecraft.gui.container.GuiPanel;
@@ -14,7 +12,6 @@ import de.johni0702.minecraft.gui.layout.CustomLayout;
 import de.johni0702.minecraft.gui.layout.HorizontalLayout;
 import de.johni0702.minecraft.gui.layout.VerticalLayout;
 
-import java.io.IOException;
 import java.util.Map;
 
 public class GuiModCompatWarning extends AbstractGuiScreen<GuiModCompatWarning> {
@@ -38,7 +35,7 @@ public class GuiModCompatWarning extends AbstractGuiScreen<GuiModCompatWarning>
         content.getListLayout().setSpacing(8);
     }
 
-    public GuiModCompatWarning(ReplayModReplay mod, ReplayFile replayFile, ModCompat.ModInfoDifference difference) {
+    public GuiModCompatWarning(ModCompat.ModInfoDifference difference) {
         VerticalLayout.Data data = new VerticalLayout.Data(0.5);
         GuiPanel content = this.content.getListPanel();
         content.addElements(data, new GuiLabel().setI18nText("replaymod.gui.modwarning.message1"));
@@ -82,13 +79,6 @@ public class GuiModCompatWarning extends AbstractGuiScreen<GuiModCompatWarning>
         }
 
         cancelButton.onClick(() -> getMinecraft().openScreen(null));
-        loadButton.onClick(() -> {
-            try {
-                mod.startReplay(replayFile, false);
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-        });
     }
 
     @Override