Add an extra sanity check when disabling initial chunk load

Author: BoogieMonster1O1

src/main/java/org/dimdev/vanillafix/bugs/mixins/MinecraftServerMixin.java

@@ -1,21 +1,28 @@
 package org.dimdev.vanillafix.bugs.mixins;
 
+import org.dimdev.vanillafix.VanillaFix;
 import org.dimdev.vanillafix.util.annotation.MixinConfigValue;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Overwrite;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.WorldGenerationProgressListener;
 
 @MixinConfigValue(category = "bugFixes", value = "disableInitialChunkLoad")
-@Mixin(MinecraftServer.class)
+@Mixin(value = MinecraftServer.class, priority = 1)
 public class MinecraftServerMixin {
 	/**
 	 * @reason Disable initial chunk load. This makes world load much faster, but in exchange
 	 * the player may see incomplete chunks (like when teleporting to a new area).
 	 * @author ?
 	 */
-	@Overwrite
-	private void prepareStartRegion(WorldGenerationProgressListener worldGenerationProgressListener) {
+	@Inject(method = "prepareStartRegion", at = @At("HEAD"), cancellable = true)
+	private void prepareStartRegion(WorldGenerationProgressListener worldGenerationProgressListener, CallbackInfo ci) {
+		if (VanillaFix.config().bugFixes.disableInitialChunkLoad) {
+			ci.cancel();
+		}
 	}
 }