Let's Parkour

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

Evidence

Ran on Kiln's test stand (2026-11-04): ModFabric did not start: java.lang.NoSuchMethodError: 'java.util.Optional net.fabricmc.loader.api.FabricLoader.getModContainer(java.lang.String)'; ModFabricClient did not start: java.lang.NoSuchMethodError: 'java.util.Optional net.fabricmc.loader.api.FabricLoader.getModContainer(java.lang.String)'.

What it needs from Kiln

Mixin
net.minecraft.core.Direction.Axis
net.minecraft.tags.FluidTags
net.minecraft.util.Mth
net.minecraft.util.Util
net.minecraft.world.damagesource.DamageSources
net.minecraft.world.level.block.HorizontalDirectionalBlock
net.minecraft.world.level.block.SimpleWaterloggedBlock
net.minecraft.world.level.block.state.BlockBehaviour.StateArgumentPredicate
net.minecraft.world.level.block.state.properties.SlabType
net.minecraft.world.level.block.state.properties.Tilt
net.minecraft.world.level.gameevent.GameEvent
net.minecraft.world.level.material.FlowingFluid
net.minecraft.world.level.material.FluidState
net.minecraft.world.level.material.Fluids
net.minecraft.world.level.material.MapColor
net.minecraft.world.level.pathfinder.PathComputationType
net.minecraft.world.phys.shapes.Shapes
net.minecraft.world.phys.shapes.VoxelShape
Direction.getAxis()
ServerLevel.hasNeighborSignal()
SoundEvents.COPPER_HIT
Entity.causeFallDamage()
Entity.makeStuckInBlock()
Entity.onGround()
Entity.position()
ItemStack.is()
Level.damageSources()
Level.gameEvent()
Level.getFluidState()
Level.getMaxY()
Level.getMinY()
Level.hasNeighborSignal()
LevelAccessor.setBlock()
ScheduledTickAccess.scheduleTick()
Block.box()
BlockBehaviour.Properties.forceSolidOn()
BlockBehaviour.Properties.isViewBlocking()
BlockBehaviour.Properties.mapColor()
BlockState.getFluidState()
BlockStateProperties.SLAB_TYPE
and 1 more

On the roadmap: Code next to data (0.3), Mixin (0.5)

In the author's words

🦘 Adds various parkour related blocks to create an awesome track, made for ModFest: Carnival.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file letsparkour-26.3.0-2.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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