Minecraft 1.20.4 support (#15)

* Update versions

* Fix mixin

build.gradle

@@ -1,5 +1,5 @@
 plugins {
-    id 'fabric-loom' version '1.2-SNAPSHOT'
+    id 'fabric-loom' version '1.4-SNAPSHOT'
     id 'maven-publish'
 }
 

gradle.properties

@@ -1,9 +1,9 @@
 org.gradle.jvmargs=-Xmx1G
 org.gradle.parallel=true
 
-minecraft_version=1.20.1
-yarn_mappings=1.20.1+build.9
-loader_version=0.14.21
+minecraft_version=1.20.4
+yarn_mappings=1.20.4+build.3
+loader_version=0.15.3
 
 mod_version=4.1
 maven_group=com.rdvdev2

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

src/main/java/com/rdvdev2/disablecustomworldsadvice/mixin/MixinIntegratedServerLoader.java

@@ -10,7 +10,7 @@ public abstract class MixinIntegratedServerLoader {
 
     // Set canShowBackupPrompt = false
     @ModifyVariable(
-            method = "start(Lnet/minecraft/client/gui/screen/Screen;Ljava/lang/String;ZZ)V",
+            method = "start(Lnet/minecraft/world/level/storage/LevelStorage$Session;Lcom/mojang/serialization/Dynamic;ZZLjava/lang/Runnable;)V",
             at = @At("HEAD"),
             argsOnly = true,
             index = 4