{"action":"opened","issue":{"url":"https://api.github.com/repos/minetest/minetest/issues/3640","repository_url":"https://api.github.com/repos/minetest/minetest","labels_url":"https://api.github.com/repos/minetest/minetest/issues/3640/labels{/name}","comments_url":"https://api.github.com/repos/minetest/minetest/issues/3640/comments","events_url":"https://api.github.com/repos/minetest/minetest/issues/3640/events","html_url":"https://github.com/minetest/minetest/issues/3640","id":130849593,"number":3640,"title":"Deco schematic doesn't check for non-walkable node above placement pos","user":{"login":"paramat","id":3686677,"avatar_url":"https://avatars.githubusercontent.com/u/3686677?v=3","gravatar_id":"","url":"https://api.github.com/users/paramat","html_url":"https://github.com/paramat","followers_url":"https://api.github.com/users/paramat/followers","following_url":"https://api.github.com/users/paramat/following{/other_user}","gists_url":"https://api.github.com/users/paramat/gists{/gist_id}","starred_url":"https://api.github.com/users/paramat/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/paramat/subscriptions","organizations_url":"https://api.github.com/users/paramat/orgs","repos_url":"https://api.github.com/users/paramat/repos","events_url":"https://api.github.com/users/paramat/events{/privacy}","received_events_url":"https://api.github.com/users/paramat/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/minetest/minetest/labels/@%20Mapgen","name":"@ Mapgen","color":"009800"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-02-02T23:13:06Z","updated_at":"2016-02-02T23:13:06Z","closed_at":null,"body":"![vsrqawq](https://cloud.githubusercontent.com/assets/3686677/12767557/c3438a70-ca01-11e5-8e51-7967c8377579.png)\r\n\r\nReminder for myself probably.\r\nNow noticeable due to having 2 tree types in this biome.\r\nDecoration placement uses the mapgen heightmap, if the heightmap wasn't present it uses 'findGroundLevel' or 'findLiquidSurface', these scan down a column to find the first walkable node, or the first liquid node not under a walkable node. So if we fix this we must simulate these functions by checking for a non-walkable node above the placement pos."}}