diff options
Diffstat (limited to 'advtrains')
| -rw-r--r-- | advtrains/depends.txt | 3 | ||||
| -rw-r--r-- | advtrains/init.lua | 137 |
2 files changed, 111 insertions, 29 deletions
diff --git a/advtrains/depends.txt b/advtrains/depends.txt index 1815e54..e4a8899 100644 --- a/advtrains/depends.txt +++ b/advtrains/depends.txt @@ -1,3 +1,4 @@ default +serialize_lib mesecons? -digtron?
\ No newline at end of file +digtron? diff --git a/advtrains/init.lua b/advtrains/init.lua index fb17f08..cccb2da 100644 --- a/advtrains/init.lua +++ b/advtrains/init.lua @@ -228,6 +228,8 @@ dofile(advtrains.modpath.."/lzb.lua") --load/save -- backup variables, used if someone should accidentally delete a sub-mod +-- As of version 4, only used once during migration from version 3 to 4 +-- Since version 4, each of the mods stores a separate save file. local MDS_interlocking, MDS_lines @@ -252,8 +254,12 @@ function advtrains.avt_load() local version = advtrains.read_component("version") local tbl - if version and version == 3 then - -- we are dealing with the new, split-up system + if version and version == 4 then + advtrains.load_version_4() + return + -- NOTE: From here, legacy loading code! + elseif version and version == 3 then + -- we are dealing with the split-up system minetest.log("action", "[advtrains] loading savefiles version 3") local il_save = { tcbs = true, @@ -358,6 +364,63 @@ function advtrains.avt_load() else minetest.log("error", " Failed to deserialize advtrains save data: Not a table!") end + -- moved from advtrains.load() + atlatc.load_pre_v4() + -- end of legacy loading code +end + +function advtrains.load_version_4() + minetest.log("action", "[advtrains] loading savefiles version 4 (serialize_lib)") + + --== load core == + local at_save = serialize_lib.load_atomic(advtrains.fpath.."_core.ls") + if at_save then + advtrains.trains = at_save.trains + --Save the train id into the train table to avoid having to pass id around + for id, train in pairs(advtrains.trains) do + train.id = id + end + advtrains.wagons = at_save.wagons + advtrains.player_to_train_mapping = at_save.ptmap or {} + advtrains.ndb.load_data(at_save.ndb) + advtrains.atc.load_data(at_save.atc) + + --remove wagon_save entries that are not part of a train + local todel=advtrains.merge_tables(advtrains.wagon_save) + for tid, train in pairs(advtrains.trains) do + train.id = tid + for _, wid in ipairs(train.trainparts) do + todel[wid]=nil + end + end + for wid, _ in pairs(todel) do + atwarn("Removing unused wagon", wid, "from wagon_save table.") + advtrains.wagon_save[wid]=nil + end + end + --== load interlocking == + if advtrains.interlocking then + local il_save = serialize_lib.load_atomic(advtrains.fpath.."_interlocking.ls") + if il_save then + advtrains.interlocking.db.load(il_save) + end + end + + --== load lines == + if advtrains.lines then + local ln_save = serialize_lib.load_atomic(advtrains.fpath.."_lines.ls") + if ln_save then + advtrains.lines.load(ln_save) + end + end + + --== load luaatc == + if atlatc then + local la_save = serialize_lib.load_atomic(advtrains.fpath.."_atlatc.ls") + if la_save then + atlatc.load(la_save) + end + end end advtrains.save_component = function (tbl, name) @@ -365,6 +428,7 @@ advtrains.save_component = function (tbl, name) -- -- required for now to shrink the advtrains db to overcome lua -- limitations. + -- Note: as of version 4, only used for the "advtrains_version" file local datastr = minetest.serialize(tbl) if not datastr then minetest.log("error", " Failed to serialize advtrains save data!") @@ -380,7 +444,7 @@ advtrains.save_component = function (tbl, name) end advtrains.avt_save = function(remove_players_from_wagons) - --atprint("saving") + --atdebug("Saving advtrains files (version 4)") if remove_players_from_wagons then for w_id, data in pairs(advtrains.wagons) do @@ -425,34 +489,57 @@ advtrains.avt_save = function(remove_players_from_wagons) --versions: -- 1 - Initial new save format. -- 2 - version as of tss branch 11-2018+ + -- 3 - split-up savefile system by gabriel + -- 4 - serialize_lib + + -- save of core advtrains + local at_save={ + trains = tmp_trains, + wagons = advtrains.wagons, + ptmap = advtrains.player_to_train_mapping, + atc = advtrains.atc.save_data(), + ndb = advtrains.ndb.save_data(),-- side effect: this saves advtrains_ndb file + } + + --save of interlocking local il_save if advtrains.interlocking then il_save = advtrains.interlocking.db.save() else il_save = MDS_interlocking end + + -- save of lines local ln_save if advtrains.lines then ln_save = advtrains.lines.save() else ln_save = MDS_lines end - - local save_tbl={ - trains = tmp_trains, - wagon_save = advtrains.wagons, - ptmap = advtrains.player_to_train_mapping, - atc = advtrains.atc.save_data(), - ndb = advtrains.ndb.save_data(), - lines = ln_save, - version = 3, - } - for i,k in pairs(save_tbl) do - advtrains.save_component(k,i) + + -- save of luaatc + local la_save + if atlatc then + la_save = atlatc.save() end - for i,k in pairs(il_save) do - advtrains.save_component(k,"interlocking_"..i) + -- parts table for serialize_lib API: + -- any table that is nil will not be included and thus not be overwritten + local parts_table = { + ["core.ls"] = at_save, + ["interlocking.ls"] = il_save, + ["lines.ls"] = ln_save, + ["atlatc.ls"] = la_save, + } + + --THE MAGIC HAPPENS HERE + local succ, err = serialize_lib.save_atomic_multiple(parts_table, advtrains.fpath.."_") + + if not succ then + atwarn("Saving failed: "..err) + else + -- store version + advtrains.save_component(4, "version") end if DUMP_DEBUG_SAVE then @@ -460,13 +547,7 @@ advtrains.avt_save = function(remove_players_from_wagons) if err then return end - file:write(dump(save_tbl)) - file:close() - local file, err = io.open(advtrains.fpath.."_interlocking_DUMP", "w") - if err then - return - end - file:write(dump(il_save)) + file:write(dump(parts_table)) file:close() end end @@ -511,7 +592,7 @@ minetest.register_globalstep(function(dtime_mt) advtrains_itm_mainloop(dtime) end if atlatc then - atlatc.mainloop_stepcode(dtime) + --atlatc.mainloop_stepcode(dtime) atlatc.interrupt.mainloop(dtime) end if advtrains.lines then @@ -537,9 +618,9 @@ end) -- first time called in main loop (after the init phase) because luaautomation has to initialize first. function advtrains.load() advtrains.avt_load() --loading advtrains. includes ndb at advtrains.ndb.load_data() - if atlatc then - atlatc.load() --includes interrupts - end + --if atlatc then + -- atlatc.load() --includes interrupts + --end == No longer loading here. Now part of avt_save() legacy loading. if advtrains_itm_init then advtrains_itm_init() end |