Orbital Railgun UPDATED

Calls something that is on Kiln's roadmap. Parts of it may already run.

Evidence

Ran on Kiln's test stand (2026-11-04): FabricMod did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload; FabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload.

What it needs from Kiln

Mixin
com.mojang.blaze3d.buffers.Std140Builder
com.mojang.blaze3d.pipeline.RenderTarget
com.mojang.blaze3d.resource.GraphicsResourceAllocator
com.mojang.blaze3d.systems.RenderSystem
com.mojang.renderpearl.api.buffers.GpuBuffer
com.mojang.renderpearl.api.commands.CommandEncoder
com.mojang.renderpearl.api.device.GpuDevice
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.networking.v1.PayloadTypeRegistry
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.gui.components.AbstractSliderButton
net.minecraft.client.gui.components.Button
net.minecraft.client.gui.components.Button.Builder
net.minecraft.client.gui.components.Button.OnPress
net.minecraft.client.gui.components.EditBox
net.minecraft.client.renderer.GameRenderer
net.minecraft.client.renderer.LevelTargetBundle
net.minecraft.client.renderer.PostChain
net.minecraft.client.renderer.PostPass
net.minecraft.client.renderer.ShaderManager
net.minecraft.client.renderer.extract.LevelExtractor
net.minecraft.client.renderer.state.GameRenderState
net.minecraft.client.renderer.state.level.CameraRenderState
net.minecraft.client.renderer.state.level.LevelRenderState
net.minecraft.client.resources.sounds.SimpleSoundInstance
net.minecraft.client.resources.sounds.SoundInstance
net.minecraft.client.resources.sounds.SoundInstance.Attenuation
net.minecraft.client.sounds.SoundEngine
net.minecraft.client.sounds.SoundEngine.PlayResult
net.minecraft.client.sounds.SoundManager
net.minecraft.commands.CommandSourceStack
net.minecraft.core.RegistryAccess
net.minecraft.core.particles.DustParticleOptions
net.minecraft.gizmos.GizmoStyle
and 80 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Machines (0.4), Mixin (0.5)

In the author's words

Orbital Railgun updated to modern MineCraft

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file orbital-railgun-fabric-2.1.0+26.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

No reports from players yet.

Thank you. Your report is counted.