Fix crash w/ wall near unknown node
parent
ddaeac8273
commit
790456cbc4
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@ -40,7 +40,8 @@ local function update_wall(pos)
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for i = 1, 4 do
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for i = 1, 4 do
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local dir = directions[i]
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local dir = directions[i]
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local node = minetest.get_node({x = pos.x + dir.x, y = pos.y + dir.y, z = pos.z + dir.z})
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local node = minetest.get_node({x = pos.x + dir.x, y = pos.y + dir.y, z = pos.z + dir.z})
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if minetest.registered_nodes[node.name].walkable then
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local def = minetest.registered_nodes[node.name]
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if def and def.walkable then
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sum = sum + 2 ^ (i - 1)
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sum = sum + 2 ^ (i - 1)
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end
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end
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end
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end
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@ -48,7 +49,8 @@ local function update_wall(pos)
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-- Torches or walkable nodes above the wall
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-- Torches or walkable nodes above the wall
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local upnode = minetest.get_node({x = pos.x, y = pos.y+1, z = pos.z})
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local upnode = minetest.get_node({x = pos.x, y = pos.y+1, z = pos.z})
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if sum == 5 or sum == 10 then
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if sum == 5 or sum == 10 then
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if minetest.registered_nodes[upnode.name].walkable or upnode.name == "mcl_torches:torch" then
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local def = minetest.registered_nodes[upnode.name]
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if (def and def.walkable) or upnode.name == "mcl_torches:torch" then
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sum = sum + 11
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sum = sum + 11
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end
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end
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end
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end
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