Make: mod into modpack

fac_database/init.lua

@@ -0,0 +1,170 @@
+--! @class factions
+--! @brief main class for factions
+factions = {}
+
+-- database
+factions.root = {}
+factions.factions = {}
+factions.parcels = {}
+factions.players = {}
+factions.player_ips = {}
+
+if factions_config.database == "colddb" then
+    -- Create cold databases.
+    factions.root = colddb.Colddb(minetest.get_worldpath() .. "/factions")
+    factions.factions = factions.root.sub_database("factions")
+    factions.parcels = factions.root.sub_database("parcels")
+    factions.players = factions.root.sub_database("players")
+    factions.player_ips = factions.root.sub_database("ips")
+elseif factions_config.database == "mod_storage" then
+    dofile (minetest.get_modpath("fac_database") .. "/storagedb.lua")
+    factions.root = storagedb.Storagedb("factions")
+    factions.factions = factions.root.sub_database("factions")
+    factions.parcels = factions.root.sub_database("parcels")
+    factions.players = factions.root.sub_database("players")
+    factions.player_ips = factions.root.sub_database("ips")
+end
+
+-- Memory only storage.
+factions.onlineplayers = {}
+
+-- Table creation.
+
+-- Create a empty faction.
+function factions.create_faction_table() 
+    local table = {
+		name = "",
+        --! @brief power of a faction (needed for parcel claiming)
+        power = factions_config.power,
+        --! @brief maximum power of a faction
+        maxpower = factions_config.maxpower,
+        --! @brief power currently in use
+        usedpower = 0,
+        --! @brief list of player names
+        players = {},
+        --! @brief table of ranks/permissions
+        ranks = starting_ranks,
+        --! @brief name of the leader
+        leader = nil,
+		--! @brief spawn of the faction
+		spawn = {x = 0, y = 0, z = 0},
+        --! @brief default joining rank for new members
+        default_rank = "member",
+        --! @brief default rank assigned to the leader
+        default_leader_rank = "leader",
+        --! @brief faction's description string
+        description = "Default faction description.",
+		--! @brief faction's message of the day.
+		message_of_the_day = "",
+        --! @brief list of players currently invited (can join with /f join)
+        invited_players = {},
+        --! @brief table of claimed parcels (keys are parcelpos strings)
+        land = {},
+        --! @brief table of allies
+        allies = {},
+		--
+		request_inbox = {},
+        --! @brief table of enemies
+        enemies = {},
+		--!
+		neutral = {},
+        --! @brief table of parcels/factions that are under attack
+        attacked_parcels = {},
+        --! @brief whether faction is closed or open (boolean)
+        join_free = false,
+        --! @brief gives certain privileges
+        is_admin = false,
+        --! @brief last time anyone logged on
+        last_logon = os.time(),
+		--! @brief how long this has been without parcels
+        no_parcel = os.time(),
+        --! @brief access table
+        access = {players = {}, factions = {}},
+    }
+    return table
+end
+
+-- Create a empty ip table.
+function factions.create_ip_table() 
+    local table = {
+        ip = ""
+    }
+    return table
+end
+
+-- Create a empty player table.
+function factions.create_player_table() 
+    local table = {
+        faction = ""
+    }
+    return table
+end
+
+-- Create a empty claim table.
+function factions.create_parcel_table() 
+    local table = {
+        faction = ""
+    }
+    return table
+end
+
+-- helper functions
+function factions.db_is_empty(table)
+    for k, v in pairs(table) do
+        return false
+    end
+    return true
+end
+
+function factions.remove_key(db, db_name, db_data, key, write)
+    if not db_data then
+        db_data = db.get(db_name)
+    end
+    db_data[key] = nil
+    if factions.db_is_empty(db_data) then
+        db.remove(db_name)
+        return nil
+    end
+    if write then
+        db.set(db_name, db_data)
+    end
+    return db_data
+end
+
+-- faction data check on load
+local function update_data(db, db_name, db_data, empty_table, write)
+    local needs_update = false
+    if not db_data then
+        db_data = db.get(db_name)
+    end
+    for k, v in pairs(empty_table) do
+        if db_data[k] == nil then
+            db_data[k] = v
+            needs_update = true
+            minetest.log("Adding property " .. k .. " to " .. db_name .. " file.")
+        end
+    end
+    if write and needs_update then
+        db.set(db_name, db_data)
+    end
+    return db_data
+end
+
+minetest.register_on_mods_loaded(function()
+    minetest.log("Checking faction files.")
+    for k, v in factions.factions.iterate() do
+        update_data(factions.factions, k, nil, factions.create_faction_table(), true)
+    end
+    minetest.log("Checking parcel files.")
+    for k, v in factions.parcels.iterate() do
+        update_data(factions.parcels, k, nil, factions.create_parcel_table(), true)
+    end
+    minetest.log("Checking player files.")
+    for k, v in factions.players.iterate() do
+        update_data(factions.players, k, nil, factions.create_player_table(), true)
+    end
+    minetest.log("Checking ip files.")
+    for k, v in factions.player_ips.iterate() do
+        update_data(factions.player_ips, k, nil, factions.create_ip_table(), true)
+    end
+end)