Spiky Spikes

Evidence

Ran on Kiln's test stand (2026-11-04): SpikySpikesFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/util/thread/BlockableEventLoop; SpikySpikesFabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/client/resources/model/UnbakedModel.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.blaze3d.vertex.PoseStack
• com.mojang.blaze3d.vertex.PoseStack.Pose
• com.mojang.blaze3d.vertex.QuadInstance
• com.mojang.blaze3d.vertex.SheetedDecalTextureGenerator
• com.mojang.math.Quadrant
• com.mojang.math.Transformation
• net.fabricmc.fabric.api.client.model.loading.v1.UnbakedModelDeserializer
• net.fabricmc.fabric.api.client.model.loading.v1.wrapper.WrapperUnbakedModel
• net.fabricmc.fabric.api.registry.LandPathTypeRegistry
• net.minecraft.client.model.geom.builders.UVPair
• net.minecraft.client.renderer.OrderedSubmitNodeCollector
• net.minecraft.client.renderer.RenderPipelines
• net.minecraft.client.renderer.SubmitNodeCollector
• net.minecraft.client.renderer.SubmitNodeCollector.CustomGeometryRenderer
• net.minecraft.client.renderer.block.BlockModelRenderState
• net.minecraft.client.renderer.block.BlockModelResolver
• net.minecraft.client.renderer.block.BuiltInBlockModels
• net.minecraft.client.renderer.block.BuiltInBlockModels.ModelFactory
• net.minecraft.client.renderer.block.dispatch.BlockStateModel
• net.minecraft.client.renderer.block.dispatch.BlockStateModelPart
• net.minecraft.client.renderer.block.dispatch.ModelState
• net.minecraft.client.renderer.block.model.BlockDisplayContext
• net.minecraft.client.renderer.block.model.BlockModel
• net.minecraft.client.renderer.block.model.BlockModel.BakingContext
• net.minecraft.client.renderer.block.model.BlockModel.Unbaked
• net.minecraft.client.renderer.block.model.BlockStateModelWrapper
• net.minecraft.client.renderer.block.model.BlockStateModelWrapper.Unbaked
• net.minecraft.client.renderer.blockentity.BlockEntityRenderer
• net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider
• net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider.Context
• net.minecraft.client.renderer.blockentity.state.BlockEntityRenderState
• net.minecraft.client.renderer.feature.BlockModelFeatureRenderer
• net.minecraft.client.renderer.feature.ItemFeatureRenderer
• net.minecraft.client.renderer.feature.ModelFeatureRenderer
• net.minecraft.client.renderer.feature.ModelFeatureRenderer.CrumblingOverlay
• net.minecraft.client.renderer.rendertype.RenderSetup
• net.minecraft.client.renderer.rendertype.RenderSetup.RenderSetupBuilder
• net.minecraft.client.renderer.rendertype.RenderType
• net.minecraft.client.renderer.rendertype.TextureTransform
• net.minecraft.client.renderer.texture.MissingTextureAtlasSprite
• and 81 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

Don't step on it! Hurts almost as much as stepping on LEGO... ouch

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file spikyspikes-v26.3.1-mc26.3.x+fabric.jar. The scan reads the mod's classes; it does not run them.