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Store mapgen version (#4762)

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Store the version used to initialize the map in the map_env.txt file.

- if a version is stored in the map_env.txt file, it is used.
- if the map is new, the current game version is used.
- if the map is old, 0.87 is assumed for compatibility.

Reviewed-on: https://git.minetest.land/VoxeLibre/VoxeLibre/pulls/4762
Reviewed-by: the-real-herowl <the-real-herowl@noreply.git.minetest.land>
Co-authored-by: kno10 <erich.schubert@gmail.com>
Co-committed-by: kno10 <erich.schubert@gmail.com>
This commit is contained in:
kno10 2024-12-29 00:00:46 +01:00 committed by the-real-herowl
parent d676085209
commit f1181d956a
1 changed files with 21 additions and 0 deletions
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21
mods/CORE/mcl_init/init.lua
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@ -3,6 +3,27 @@ mcl_vars = {}
minetest.log("action", "World seed = " .. minetest.get_mapgen_setting("seed"))
-- Get a version number for map generation.
local map_version = tonumber(core.get_mapgen_setting("vl_world_version") or "")
if not map_version then
-- Try to read gametime *before* initialization
-- Primarily to detect when an old world is loaded.
local start_time = tonumber(Settings(core.get_worldpath() .. "/env_meta.txt"):get("game_time")) or 0
if start_time > 0 then -- old world, assume "0.87 or earlier"
map_version = 0.87 -- starting in 0.88, the version should be stored.
else
local game_version = Settings(core.get_game_info().path .. "/game.conf"):get("version")
map_version = game_version and tostring(game_version:match("(%d+%.%d+)"))
if not map_version then
core.log("warning", "Could not obtain a game version. Fallback to 0.87. "..dump(game_version))
map_version = 0.87
end
end
core.set_mapgen_setting("vl_world_version", map_version, true)
end
mcl_vars.map_version = map_version -- make available
core.log("action", "Voxelibre mapgen version = "..map_version)
mcl_vars.redstone_tick = 0.1
-- GUI / inventory menu settings