Migrate Carpet Mixin names to mojang mappings

src/main/java/carpet/mixins/ExperienceOrb_xpNoCooldownMixin.java

@@ -0,0 +1,46 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.entity.ExperienceOrb;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.level.Level;
+import org.spongepowered.asm.mixin.Mixin;
+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;
+
+@Mixin(ExperienceOrb.class)
+public abstract class ExperienceOrb_xpNoCooldownMixin extends Entity
+{
+    @Shadow
+    private int count;
+
+    @Shadow
+    private int value;
+
+    public ExperienceOrb_xpNoCooldownMixin(EntityType<?> type, Level world)
+    {
+        super(type, world);
+    }
+
+    @Shadow
+    protected abstract int repairPlayerItems(Player player, int amount);
+
+    @Inject(method = "playerTouch", at = @At("HEAD"))
+    private void addXP(Player player, CallbackInfo ci) {
+        if (CarpetSettings.xpNoCooldown && !level.isClientSide) {
+            player.takeXpDelay = 0;
+            // reducing the count to 1 and leaving vanilla to deal with it
+            while (this.count > 1) {
+                int remainder = this.repairPlayerItems(player, this.value);
+                if (remainder > 0) {
+                    player.giveExperiencePoints(remainder);
+                }
+                this.count--;
+            }
+        }
+    }
+}