PingPing

Evidence

Ran on Kiln's test stand (2026-11-04): PingPing did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/networking/v1/PayloadTypeRegistry; PingPingClient did not start: java.lang.NoClassDefFoundError: net/minecraft/client/resources/sounds/SoundInstance.

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.platform.InputConstants.Key
• com.mojang.blaze3d.vertex.PoseStack
• com.mojang.blaze3d.vertex.PoseStack.Pose
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Disconnect
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Join
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.Context
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.PlayPayloadHandler
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelRenderContext
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelRenderEvents
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelRenderEvents.CollectSubmits
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.networking.v1.PlayerLookup
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Disconnect
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.Context
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.PlayPayloadHandler
• net.minecraft.client.OptionInstance
• net.minecraft.client.Options
• net.minecraft.client.renderer.entity.EntityRenderDispatcher
• net.minecraft.client.renderer.entity.EntityRenderer
• net.minecraft.client.renderer.entity.state.EntityRenderState
• net.minecraft.client.renderer.entity.state.LivingEntityRenderState
• net.minecraft.client.renderer.state.level.CameraRenderState
• net.minecraft.client.renderer.state.level.LevelRenderState
• net.minecraft.client.resources.sounds.SimpleSoundInstance
• net.minecraft.client.sounds.SoundEngine
• net.minecraft.client.sounds.SoundEngine.PlayResult
• net.minecraft.client.sounds.SoundManager
• net.minecraft.core.UUIDUtil
• net.minecraft.network.codec.ByteBufCodecs
• net.minecraft.network.codec.StreamCodec
• net.minecraft.network.protocol.common.custom.CustomPacketPayload
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.TypeAndCodec
• net.minecraft.server.MinecraftServer
• net.minecraft.server.network.ServerGamePacketListenerImpl
• and 70 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Mixin (0.5)

In the author's words

A simple multiplayer ping system for Minecraft

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file pingping-26.3-0.3.1.jar. The scan reads the mod's classes; it does not run them.