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Fix cave map generator producing passages along the map border

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Maps are 0-indexed even in Lua (so that 1 ends up as the lowest passable coordinate), so subtract 1 here

Closes #5407
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Celtic Minstrel 2021-02-16 13:46:01 -05:00 • committed by GitHub
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data/lua/cave_map_generator.lua
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@ -122,7 +122,7 @@ function callbacks.generate_map(params)
local width = math.max(v.data.width or 1, 1) local width = math.max(v.data.width or 1, 1)
local jagged = v.data.jagged or 0 local jagged = v.data.jagged or 0
local calc = function(x, y) local calc = function(x, y)
if x == 0 or x == params.map_width or y == 0 or y == params.map_height then if x == 0 or x == params.map_width - 1 or y == 0 or y == params.map_height - 1 then
-- Map borders are impassable -- Map borders are impassable
return math.huge return math.huge
end end