nEngine/examples/sample-game/content/buildings/coop.yaml

# Building: 3x3 coop, only placeable on grass, blocks NPC movement.
id: coop
name: Coop
footprint: { w: 3, h: 3 }
buildable: { tiles: [grass] }
blocksMovement: true
description: "Shelters a flock of chickens."
spriteRef: coop