276 lignes
7,3 Kio
Lua
276 lignes
7,3 Kio
Lua
QuestHelper_File["db_get.lua"] = "4.0.1.$svnversion$"
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QuestHelper_Loadtime["db_get.lua"] = GetTime()
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local dev_mode = (QuestHelper_File["db_get.lua"] == "Development Version")
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-- yoink
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--[[
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local QHDB_temp = QHDB
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QHDB = nil
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local QHDB = QHDB_temp]]
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--QuestHelper: Assert(dev_mode or #QHDB == 4)
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local weak_v = { __mode = 'v' }
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local weak_k = { __mode = 'k' }
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local cache = {}
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local frequencies = setmetatable({}, weak_k)
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-- guhhh just want this to work
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local freq_group = setmetatable({}, weak_k)
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local freq_id = setmetatable({}, weak_k)
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local function DBC_Get(group, id)
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if not cache[group] then return end
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return cache[group][id]
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end
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local function DBC_Put(group, id, item)
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if not cache[group] then cache[group] = setmetatable({}, weak_v) end
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QuestHelper: Assert(not cache[group][id])
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cache[group][id] = item
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--DB_how_many_are_used()
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end
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local function mark(tab, tomark)
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for k, v in pairs(tab) do
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if k ~= "__owner" and type(v) == "table" then
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mark(v, tomark)
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end
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end
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tab.__owner = tomark
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end
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local function read_adaptint(data, offset)
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local stx = 0
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local acu = 1
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while true do
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local v = strbyte(data, offset)
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QuestHelper: Assert(v, string.format("%d %d", #data, offset))
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stx = stx + acu * math.floor(v / 2)
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offset = offset + 1
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acu = acu * 128
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if mod(v, 2) == 0 then break end
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end
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return stx, offset
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end
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local function search_index(index, data, item)
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--[[Header format:
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Itemid (0 for endnode)
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Offset
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Length
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Rightlink]]
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local cofs = 1
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--[[ assert(index and type(index) == "string") ]]
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--[[ assert(data and type(data) == "string") ]]
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while true do
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local idx, ofs, len, rlink
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idx, cofs = read_adaptint(index, cofs)
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if idx == 0 then return end
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ofs, cofs = read_adaptint(index, cofs)
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len, cofs = read_adaptint(index, cofs)
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rlink, cofs = read_adaptint(index, cofs)
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if idx == item then
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return strsub(data, ofs, ofs + len)
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end
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if idx < item then cofs = cofs + rlink end
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end
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end
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local initted = false
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function DB_Init()
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QuestHelper: Assert(not initted)
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for _, db in ipairs(QHDB) do
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for _, v in pairs(db) do
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--print("db", not not v.__dictionary, not not v.__tokens)
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if v.__dictionary and v.__tokens then
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local redictix = v.__dictionary
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if not redictix:find("\"") then redictix = redictix .. "\"" end
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if not redictix:find(",") then redictix = redictix .. "," end
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if not redictix:find("\\") then redictix = redictix .. "\\" end
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local tokens = loadstring("return {" .. QH_LZW_Decompress_Dicts_Arghhacky(v.__tokens, redictix) .. "}")()
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QuestHelper: Assert(tokens)
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local _, _, prep = QH_LZW_Prepare_Arghhacky(v.__dictionary, tokens)
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QuestHelper: Assert(prep)
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QuestHelper: Assert(type(prep) == "table")
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v.__tokens = prep
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end
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end
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end
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initted = true
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QH_UpdateQuests() -- just in case it's been waiting on us (it has almost certainly been waiting on us)
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end
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function DB_Ready()
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return initted
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end
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function DB_HasItem(group, id)
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QuestHelper: Assert(initted)
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for _, db in ipairs(QHDB) do
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if db[group] then
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if db[group][id] then
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return true
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end
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if type(id) == "number" and id > 0 and db[group].__serialize_index and db[group].__serialize_data and search_index(db[group].__serialize_index, db[group].__serialize_data, id) then
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return true
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end
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end
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end
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return false
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end
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function DB_GetItem(group, id, silent, register)
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QuestHelper: Assert(initted)
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QuestHelper: Assert(group, string.format("%s %s", tostring(group), tostring(id)))
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QuestHelper: Assert(id, string.format("%s %s", tostring(group), tostring(id)))
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local ite = DBC_Get(group, id)
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if not ite then
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if type(id) == "string" then QuestHelper: Assert(not id:match("__.*")) end
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--QuestHelper:TextOut(string.format("%s %d", group, id))
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for _, db in ipairs(QHDB) do
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--print(db, db[group], db[group] and db[group][id], type(group), type(id))
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if db[group] then
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local dat
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if db[group][id] then
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dat = db[group][id]
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end
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--print(not dat, type(id), id, not not db[group].__serialize_index, not not db[group].__serialize_index)
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if not dat and type(id) == "number" and id > 0 and db[group].__serialize_index and db[group].__serialize_data then
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dat = search_index(db[group].__serialize_index, db[group].__serialize_data, id)
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end
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if dat then
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if not ite then ite = QuestHelper:CreateTable("db") end
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local srctab
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if type(dat) == "string" then
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QuestHelper: Assert(db[group].__tokens == nil or type(db[group].__tokens) == "table")
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srctab = loadstring("return {" .. (db[group].__prefix or "") .. QH_LZW_Decompress_Dicts_Prepared_Arghhacky(dat, db[group].__dictionary, nil, db[group].__tokens) .. (db[group].__suffix or "") .. "}")()
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elseif type(dat) == "table" then
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srctab = dat
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else
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QuestHelper: Assert()
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end
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for k, v in pairs(srctab) do
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QuestHelper: Assert(not ite[k] or k == "used")
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ite[k] = v
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end
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end
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end
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end
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if ite then
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--print("marking", group, id, silent, register)
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mark(ite, ite)
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--print("done marking")
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DBC_Put(group, id, ite)
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freq_group[ite] = group
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freq_id[ite] = id
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else
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if not silent then
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QuestHelper:TextOut(string.format("Tried to get %s/%s, failed", tostring(group), tostring(id)))
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end
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end
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end
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if ite then
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frequencies[ite] = (frequencies[ite] or 0) + (register and 1 or 1000000000) -- effectively infinity
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end
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return ite
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end
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local function incinerate(ite, crunchy)
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if dev_mode then return end -- wellllp
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if not crunchy[ite] then
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crunchy[ite] = true
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for k, v in pairs(ite) do
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if type(k) == "table" then incinerate(k, crunchy) end
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if type(v) == "table" then incinerate(v, crunchy) end
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end
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end
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end
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function DB_ReleaseItem(ite)
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QuestHelper: Assert(ite)
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frequencies[ite] = frequencies[ite] - 1
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if frequencies[ite] == 0 then
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--print("incinerating", freq_group[ite], freq_id[ite])
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cache[freq_group[ite]][freq_id[ite]] = nil
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freq_group[ite] = nil
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freq_id[ite] = nil
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local incin = QuestHelper:CreateTable("incinerate")
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incinerate(ite, incin)
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for k, _ in pairs(incin) do
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QuestHelper:ReleaseTable(k)
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end -- burn baby burn
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QuestHelper:ReleaseTable(incin)
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end
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end
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function DB_ListItems(group)
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local tab = {}
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for _, db in ipairs(QHDB) do
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if db[group] then
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QuestHelper: Assert(not db.__serialize_index and not db.__serialize_data)
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for k, _ in pairs(db[group]) do
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if type(k) ~= "string" or not k:match("__.*") then
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tab[k] = true
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end
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end
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end
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end
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local rv = {}
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for k, _ in pairs(tab) do
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table.insert(rv, k)
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end
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return rv
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end
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function DB_how_many_are_used()
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local count = 0
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for k, v in pairs(cache) do
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for k2, v2 in pairs(v) do
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count = count + 1
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end
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end
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print(count)
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end
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function DB_DumpItems()
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local dt = {}
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for k, v in pairs(freq_group) do
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dt[string.format("%s/%s", freq_group[k], tostring(freq_id[k]))] = true
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end
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return dt
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end
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