Stupid Block Animations

Evidence

Ran on Kiln's test stand (2026-11-04): StupidBlockPlacementClient did not start: java.lang.NoClassDefFoundError: org/apache/commons/lang3/Validate.

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.vertex.PoseStack
• com.mojang.math.Axis
• 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.minecraft.client.renderer.SubmitNodeCollector
• net.minecraft.client.renderer.block.MovingBlockRenderState
• net.minecraft.client.renderer.state.level.CameraRenderState
• net.minecraft.client.renderer.state.level.LevelRenderState
• net.minecraft.core.Direction.Axis
• net.minecraft.core.Direction.Plane
• net.minecraft.world.level.block.BedBlock
• net.minecraft.world.level.block.ChestBlock
• net.minecraft.world.level.block.DoorBlock
• net.minecraft.world.level.block.RenderShape
• net.minecraft.world.level.block.SignBlock
• net.minecraft.world.level.block.state.properties.BedPart
• net.minecraft.world.level.block.state.properties.ChestType
• net.minecraft.world.level.block.state.properties.DoubleBlockHalf
• org.apache.commons.lang3.Validate
• FabricLoader.isDevelopmentEnvironment()
• Minecraft.getDeltaTracker()
• ClientLevel.cardinalLighting()
• ClientLevel.getBiome()
• ClientLevel.getBlockEntity()
• ClientLevel.getBlockTint()
• ClientLevel.getHeight()
• ClientLevel.getLightEngine()
• ClientLevel.getMinY()
• ClientLevel.sendBlockUpdated()
• ClientLevel.setBlocksDirty()
• Direction.getAxis()
• Direction.getClockWise()
• BlockState.getFluidState()
• BlockState.getRenderShape()

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

Minecraft Block Placement & Breaking Animations

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file stupid-block-animations-0.1.3+26.3-fabric.jar. The scan reads the mod's classes; it does not run them.