Get compat module compiling on 1.13

src/main/java/com/replaymod/core/ReplayMod.java

@@ -2,6 +2,7 @@ package com.replaymod.core;
 
 import com.google.common.io.Files;
 import com.google.common.util.concurrent.ListenableFutureTask;
+import com.replaymod.compat.ReplayModCompat;
 import com.replaymod.core.gui.GuiBackgroundProcesses;
 import com.replaymod.core.gui.GuiReplaySettings;
 import com.replaymod.core.gui.RestoreReplayGui;
@@ -164,6 +165,7 @@ public class ReplayMod implements Module {
         modules.add(new ReplayModSimplePathing(this));
         modules.add(new ReplayModEditor(this));
         modules.add(new ReplayModExtras(this));
+        modules.add(new ReplayModCompat());
 
         //#if MC>=11300
         settingsRegistry.register();
@@ -284,8 +286,9 @@ public class ReplayMod implements Module {
 
         // 1.7.10 crashes when render distance > 16
         //#if MC>=10800
-        //if(!FMLClientHandler.instance().hasOptifine()) FIXME 1.13 update
-        GameSettings.Options.RENDER_DISTANCE.setValueMax(64f);
+        if (!MCVer.hasOptifine()) {
+            GameSettings.Options.RENDER_DISTANCE.setValueMax(64f);
+        }
         //#endif
 
         testIfMoeshAndExitMinecraft();

src/main/java/com/replaymod/core/versions/MCVer.java

@@ -32,6 +32,7 @@ import org.lwjgl.glfw.GLFW;
 //#else
 //$$ import net.minecraft.client.gui.ScaledResolution;
 //$$ import net.minecraft.client.resources.ResourcePackRepository;
+//$$ import net.minecraftforge.fml.client.FMLClientHandler;
 //$$ import org.apache.logging.log4j.LogManager;
 //$$ import org.lwjgl.Sys;
 //$$ import java.awt.Desktop;
@@ -494,6 +495,25 @@ public class MCVer {
         //#endif
     }
 
+    //#if MC>=11300
+    private static Boolean hasOptifine;
+    public static boolean hasOptifine() {
+        if (hasOptifine == null) {
+            try {
+                Class.forName("Config");
+                hasOptifine = true;
+            } catch (ClassNotFoundException e) {
+                hasOptifine = false;
+            }
+        }
+        return hasOptifine;
+    }
+    //#else
+    //$$ public static boolean hasOptifine() {
+    //$$     return FMLClientHandler.instance().hasOptifine();
+    //$$ }
+    //#endif
+
     //#if MC<=10710
     //$$ public static class GlStateManager {
     //$$     public static void resetColor() { /* nop */ }