Handle axolotl interaction change in <= 1.20.5

src/main/java/de/florianmichael/viafabricplus/injection/mixin/fixes/minecraft/entity/MixinAxolotlEntity.java

@@ -0,0 +1,44 @@
+/*
+ * This file is part of ViaFabricPlus - https://github.com/FlorianMichael/ViaFabricPlus
+ * Copyright (C) 2021-2024 FlorianMichael/EnZaXD <florian.michael07@gmail.com> and RK_01/RaphiMC
+ * Copyright (C) 2023-2024 contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package de.florianmichael.viafabricplus.injection.mixin.fixes.minecraft.entity;
+
+import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
+import de.florianmichael.viafabricplus.protocoltranslator.ProtocolTranslator;
+import net.minecraft.entity.passive.AxolotlEntity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.ItemStack;
+import net.minecraft.item.ItemUsage;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(AxolotlEntity.class)
+public abstract class MixinAxolotlEntity {
+
+    @Redirect(method = "eat", at = @At(value = "INVOKE", target = "Lnet/minecraft/item/ItemUsage;exchangeStack(Lnet/minecraft/item/ItemStack;Lnet/minecraft/entity/player/PlayerEntity;Lnet/minecraft/item/ItemStack;)Lnet/minecraft/item/ItemStack;"))
+    private ItemStack dontExchangeStack(ItemStack inputStack, PlayerEntity player, ItemStack outputStack) {
+        if (ProtocolTranslator.getTargetVersion().olderThanOrEqualTo(ProtocolVersion.v1_20_5)) {
+            return inputStack;
+        } else {
+            return ItemUsage.exchangeStack(inputStack, player, outputStack);
+        }
+    }
+
+}

src/main/resources/viafabricplus.mixins.json

@@ -201,7 +201,8 @@
     "fixes.viaversion.MixinWorldPacketRewriter1_19",
     "viabedrock.MixinJoinPackets",
     "vialegacy.MixinExtensionProtocolMetadataStorage",
-    "vialegacy.MixinViaLegacyConfig"
+    "vialegacy.MixinViaLegacyConfig",
+    "fixes.minecraft.entity.MixinAxolotlEntity"
   ],
   "injectors": {
     "defaultRequire": 1