35 lines
1.1 KiB
Lua
35 lines
1.1 KiB
Lua
local function fix_min_catchment(settings, is_global)
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local prefix = is_global and "mapgen_rivers_" or ""
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local min_catchment = settings:get(prefix.."min_catchment")
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if min_catchment then
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min_catchment = tonumber(min_catchment)
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local blocksize = tonumber(settings:get(prefix.."blocksize") or 15)
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settings:set(prefix.."min_catchment", tonumber(min_catchment) * blocksize*blocksize)
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local max_catchment = settings:get(prefix.."max_catchment")
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if max_catchment then
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max_catchment = tonumber(max_catchment)
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local wpower = math.log(2*blocksize)/math.log(max_catchment/min_catchment)
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settings:set(prefix.."river_widening_power", wpower)
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end
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end
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end
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local function fix_compatibility_minetest(settings)
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local previous_version = settings:get("mapgen_rivers_version") or "0.0"
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if previous_version == "0.0" then
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fix_min_catchment(settings, true)
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end
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end
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local function fix_compatibility_mapgen_rivers(settings)
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local previous_version = settings:get("version") or "0.0"
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if previous_version == "0.0" then
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fix_min_catchment(settings, false)
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end
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end
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return fix_compatibility_minetest, fix_compatibility_mapgen_rivers
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