Add MixinExtras on 1.16.4+

We'll use it in 1.20 mixins.
Unclear what minimal fabric-loader version it requires, so in the interest of
keeping older versions compatible with OptiFabric (old versions of which aren't
compatible with the latest fabric-loader), we'll add it to 1.16.4+ only.

build.gradle

@@ -330,6 +330,11 @@ dependencies {
         annotationProcessor 'org.ow2.asm:asm-tree:6.2'
         annotationProcessor 'org.apache.logging.log4j:log4j-core:2.0-beta9'
     }
+
+    if (mcVersion >= 11604) {
+        shadow(annotationProcessor('com.github.LlamaLad7:MixinExtras:0.1.1'))
+    }
+
     shadow 'com.googlecode.mp4parser:isoparser:1.1.7'
     shadow 'org.apache.commons:commons-exec:1.3'
     shadow 'com.google.apis:google-api-services-youtube:v3-rev178-1.22.0', shadeExclusions

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

@@ -0,0 +1,14 @@
+//#if FABRIC>=1
+package com.replaymod.core;
+
+import net.fabricmc.loader.api.entrypoint.PreLaunchEntrypoint;
+
+public class MixinExtrasInit implements PreLaunchEntrypoint {
+    @Override
+    public void onPreLaunch() {
+        //#if MC>=11604
+        com.llamalad7.mixinextras.MixinExtrasBootstrap.init();
+        //#endif
+    }
+}
+//#endif

src/main/resources/fabric.mod.json

@@ -29,7 +29,8 @@
       "com.replaymod.render.utils.FlawlessFrames::registerConsumer"
     ],
     "preLaunch": [
-      "com.replaymod.core.DummyChainLoadEntryPoint"
+      "com.replaymod.core.DummyChainLoadEntryPoint",
+      "com.replaymod.core.MixinExtrasInit"
     ],
     "mm:early_risers": [
       "com.replaymod.core.ReplayModMMLauncher"

versions/1.15.2/src/main/resources/fabric.mod.json

@@ -29,7 +29,8 @@
       "com.replaymod.render.utils.FlawlessFrames::registerConsumer"
     ],
     "preLaunch": [
-      "com.replaymod.core.DummyChainLoadEntryPoint"
+      "com.replaymod.core.DummyChainLoadEntryPoint",
+      "com.replaymod.core.MixinExtrasInit"
     ],
     "mm:early_risers": [
       "com.replaymod.core.ReplayModMMLauncher"

versions/1.17.1/src/main/resources/fabric.mod.json

@@ -29,7 +29,8 @@
       "com.replaymod.render.utils.FlawlessFrames::registerConsumer"
     ],
     "preLaunch": [
-      "com.replaymod.core.DummyChainLoadEntryPoint"
+      "com.replaymod.core.DummyChainLoadEntryPoint",
+      "com.replaymod.core.MixinExtrasInit"
     ],
     "mm:early_risers": [
       "com.replaymod.core.ReplayModMMLauncher"