minetest-mods/castle_gates-cd2025
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add param2 sanity checks

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FaceDeer 2019-04-14 21:34:26 -06:00
parent 7cfe61fba8
commit 3ffdf10286
1 changed files with 3 additions and 1 deletions
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gate_functions.lua
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@ -116,6 +116,8 @@ end
local get_door_layout = function(pos, facedir, player)
if facedir > 23 then return nil end -- A bug in another mod once resulted in bad param2s being written to nodes, this will at least prevent crashes if something like that happens again.
-- This method does a flood-fill looking for all nodes that meet the following criteria:
-- belongs to a "castle_gate" group
-- has the same "back" direction as the initial node
@ -153,7 +155,7 @@ local get_door_layout = function(pos, facedir, player)
local test_node_def = minetest.registered_nodes[test_node.name]
can_slide_to:set_pos(test_pos, test_node_def.buildable_to == true)
if test_node_def.paramtype2 == "facedir" then -- prospective door nodes need to be of type facedir
if test_node_def.paramtype2 == "facedir" and test_node.param2 <= 23 then -- prospective door nodes need to be of type facedir and have a valid param2
local test_node_dirs = get_dirs(test_node.param2)
local coplanar = vector.equals(test_node_dirs.back, door.directions.back) -- the "back" vector needs to point in the same direction as the rest of the door