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the next map is chosen based on player/map_size ratio #1192

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the next map is chosen based on player/map_size ratio #1192

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22 changes: 20 additions & 2 deletions mods/ctf/ctf_modebase/map_catalog.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -33,15 +33,33 @@ end
init()
assert(#ctf_modebase.map_catalog.maps > 0 or ctf_core.settings.server_mode == "mapedit")

function ctf_modebase.map_catalog.select_map(filter)
function ctf_modebase.map_catalog.select_map(filter, player_map_size_ratio)
local ratio = player_map_size_ratio or (20 / 139 / 139)
-- This reference ratio is from the walls map. 20 player per 139x139
local maps = {}
for idx, map in ipairs(maps_pool) do
if not filter or filter(ctf_modebase.map_catalog.maps[map]) then
table.insert(maps, idx)
end
end

local selected = maps[math.random(1, #maps)]
local selected_one = { ratio_difference = -1, map = -1 }
for _i = 1, 10, 1 do
local map = maps[math.random(1, #maps)]
local new_one_map = ctf_modebase.map_catalog.maps[maps_pool[map]]
local size = new_one_map.size
local new_one_ratio = #minetest.get_connected_players() / (size.x * size.z)
local ratio_difference = math.abs(new_one_ratio - ratio)
if ratio_difference < selected_one.ratio_difference then
selected_one.ratio_difference = ratio_difference
selected_one.map = map
end
end
local selected = selected_one.map
if selected == -1 then
selected = maps[math.random(1, #maps)]
end

ctf_modebase.map_catalog.current_map = maps_pool[selected]

if map_repeat_interval > 0 then
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