Fix livelock caused by OF not properly resetting ChunkVisibility

This can lead to a livelock when rendering with shaders after exiting a
singleplayer world (3/4 chance of breakage on each exit).

src/main/java/com/replaymod/compat/shaders/mixin/MixinChunkVisibility.java

@@ -0,0 +1,32 @@
+//#if MC>=11500
+package com.replaymod.compat.shaders.mixin;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Pseudo;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Pseudo
+@Mixin(targets = "net/optifine/render/ChunkVisibility", remap = false)
+public abstract class MixinChunkVisibility {
+    @Shadow
+    private static int counter;
+
+    /**
+     * OF doesn't properly reset the counter when exiting a world.
+     * It'll only be reset when getMaxChunkY is called which only happens for
+     * SP worlds (i.e. not in a replay or MP).
+     * As a result, it may end up in a non-0 state, which will cause isFinished
+     * to unconditionally return false, therefore unconditionally setting
+     * needsTerrainUpdate to true on each call to WorldRenderer.setupTerrain,
+     * therefore unnecessarily consuming resources and live-locking when
+     * rendering the shader pass.
+     */
+    @Inject(method = "reset", at = @At("HEAD"), remap = false)
+    private static void replayModCompat_fixImproperReset(CallbackInfo ci) {
+        MixinChunkVisibility.counter = 0;
+    }
+}
+//#endif