add option to disable normal loot

build.gradle

@@ -1,3 +1,14 @@
+buildscript {
+    repositories {
+        // These repositories are only for Gradle plugins, put any other repositories in the repository block further below
+        maven { url = 'https://repo.spongepowered.org/repository/maven-public/' }
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'org.spongepowered:mixingradle:0.7-SNAPSHOT'
+    }
+}
+
 plugins {
     id 'eclipse'
     id 'idea'
@@ -5,6 +16,7 @@ plugins {
     id 'org.parchmentmc.librarian.forgegradle' version '1.+'
 }
 
+apply plugin: 'org.spongepowered.mixin'
 
 group = mod_group_id
 version = mod_version
@@ -107,6 +119,12 @@ minecraft {
     }
 }
 
+mixin {
+    add sourceSets.main, "${mod_id}.refmap.json"
+
+    config "${mod_id}.mixins.json"
+}
+
 // Include resources generated by data generators.
 sourceSets.main.resources { srcDir 'src/generated/resources' }
 
@@ -129,6 +147,7 @@ dependencies {
     // then special handling is done to allow a setup of a vanilla dependency without the use of an external repository.
     minecraft "net.minecraftforge:forge:${minecraft_version}-${forge_version}"
 
+    annotationProcessor 'org.spongepowered:mixin:0.8.5:processor'
     // Example mod dependency with JEI - using fg.deobf() ensures the dependency is remapped to your development mappings
     // The JEI API is declared for compile time use, while the full JEI artifact is used at runtime
     // compileOnly fg.deobf("mezz.jei:jei-${mc_version}-common-api:${jei_version}")

gradle.properties

@@ -38,7 +38,7 @@ mod_name=XP -> items
 # The license of the mod. Review your options at https://choosealicense.com/. All Rights Reserved is the default.
 mod_license=All Rights Reserved
 # The mod version. See https://semver.org/
-mod_version=0.0.1
+mod_version=0.1.0
 # The group ID for the mod. It is only important when publishing as an artifact to a Maven repository.
 # This should match the base package used for the mod sources.
 # See https://maven.apache.org/guides/mini/guide-naming-conventions.html

src/main/java/com/jenny/xp2items/Xp2Items.java

@@ -22,6 +22,5 @@ public class Xp2Items {
 
         MinecraftForge.EVENT_BUS.register(this);
         ModLoadingContext.get().registerConfig(ModConfig.Type.COMMON, ServerConfig.SPEC, "xp2items.toml");
-
     }
 }

src/main/java/com/jenny/xp2items/config/ServerConfig.java

@@ -12,10 +12,12 @@ public class ServerConfig {
 
     public static final ForgeConfigSpec.ConfigValue<Integer> C_XP_AMOUNT;
     public static final ForgeConfigSpec.ConfigValue<Integer> C_ITEM_AMOUNT;
+    public static final ForgeConfigSpec.ConfigValue<Boolean> C_DISABLE_LOOT_TABLES;
 
     static {
         C_XP_AMOUNT = BUILDER.comment("xp needed per loot drop, 0=per level").define("xp_amount", 25);
         C_ITEM_AMOUNT = BUILDER.comment("items per loot drop").define("item_amount", 1);
+        C_DISABLE_LOOT_TABLES = BUILDER.comment("disable all loot tables").define("disable_loot_tables", false);
 
         SPEC = BUILDER.build();
     }

src/main/java/com/jenny/xp2items/mixins/LootTableMixin.java

@@ -0,0 +1,21 @@
+package com.jenny.xp2items.mixins;
+
+import com.jenny.xp2items.config.ServerConfig;
+import it.unimi.dsi.fastutil.objects.ObjectArrayList;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.storage.loot.LootContext;
+import net.minecraft.world.level.storage.loot.LootTable;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(LootTable.class)
+public class LootTableMixin {
+    @Inject(method = "getRandomItems(Lnet/minecraft/world/level/storage/loot/LootContext;)Lit/unimi/dsi/fastutil/objects/ObjectArrayList;", at = @At("RETURN"), cancellable = true)
+    private void getRandomItems(LootContext p_230923_, CallbackInfoReturnable<ObjectArrayList<ItemStack>> cir) {
+        if (ServerConfig.C_DISABLE_LOOT_TABLES.get()) {
+            cir.setReturnValue(new ObjectArrayList<>());
+        }
+    }
+}

src/main/resources/xp2items.mixins.json

@@ -0,0 +1,15 @@
+{
+  "required": true,
+  "minVersion": "0.8",
+  "package": "com.jenny.xp2items.mixins",
+  "compatibilityLevel": "JAVA_21",
+  "refmap": "xp2items.refmap.json",
+  "client": [
+  ],
+  "injectors": {
+    "defaultRequire": 1
+  },
+  "mixins": [
+    "LootTableMixin"
+  ]
+}