mtcontrib/minetest-mod-snow
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make more tables weak

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This commit is contained in:
HybridDog 2016-04-29 18:05:04 +02:00
parent 049349360e
commit b3cdf93212
1 changed files with 3 additions and 1 deletions
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4
src/mapgen_v6.lua
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@ -60,7 +60,7 @@ local function get_ws_value(a, x)
else else
ws_values[a] = {} ws_values[a] = {}
-- weak table, see https://www.lua.org/pil/17.1.html -- weak table, see https://www.lua.org/pil/17.1.html
setmetatable(ws_values[a], {__mode = "v"}) setmetatable(ws_values[a], {__mode = "kv"})
end end
v = do_ws_func(a, x) v = do_ws_func(a, x)
ws_values[a][x] = v ws_values[a][x] = v
@ -68,6 +68,7 @@ local function get_ws_value(a, x)
end end
local plantlike_ids = {} local plantlike_ids = {}
setmetatable(plantlike_ids, {__mode = "kv"})
local function is_plantlike(id) local function is_plantlike(id)
if plantlike_ids[id] ~= nil then if plantlike_ids[id] ~= nil then
return plantlike_ids[id] return plantlike_ids[id]
@ -88,6 +89,7 @@ local function is_plantlike(id)
end end
local snowable_ids = {} local snowable_ids = {}
setmetatable(snowable_ids, {__mode = "kv"})
local function is_snowable(id) local function is_snowable(id)
if snowable_ids[id] ~= nil then if snowable_ids[id] ~= nil then
return snowable_ids[id] return snowable_ids[id]