451 lines
9.6 KiB
Lua
451 lines
9.6 KiB
Lua
TableHelper = TableHelper or {}
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---@param obj table
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---@return table
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function TableHelper.DeepCopy(obj)
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if obj == nil then
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return {};
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end
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local InTable = {};
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local function Func(obj)
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if type(obj) ~= "table" then --判断表中是否有表
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return obj;
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end
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local NewTable = {}; --定义一个新表
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InTable[obj] = NewTable; --若表中有表，则先把表给InTable，再用NewTable去接收内嵌的表
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for k,v in pairs(obj) do --把旧表的key和Value赋给新表
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NewTable[Func(k)] = Func(v);
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end
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return setmetatable(NewTable, getmetatable(obj))--赋值元表
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end
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return Func(obj) --若表中有表，则把内嵌的表也复制了
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end
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---@param InSelf table
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---@param InTable table
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function TableHelper.CopyToTable(InSelf, InTable)
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if InSelf == nil or InTable == nil then
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return
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end
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for i, v in pairs(InTable) do
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if type(v) == 'table' then
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TableHelper.CopyToTable(InSelf[i], v);
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else
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InSelf[i] = v;
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end
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end
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end
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---@param Tab table
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---@return table
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function TableHelper.CopyTable(Tab)
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local NewTab = {}
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for k, v in pairs(Tab) do
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NewTab[k] = v
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end
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return NewTab
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end
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---@param TableData table
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---@return table
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function TableHelper.DeepCopyTable(TableData)
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if TableData == nil then
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UGCLogSystem.LogError("表格为空，不能复制");
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return {};
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end
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local TmpTab = {};
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for k, v in pairs(TableData) do
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if type(v) == "table" then
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local SubTab = TableHelper.DeepCopyTable(v);
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TmpTab[k] = SubTab;
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-- elseif type(v) == "userdata" then
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-- TmpTab[k] = v:Copy();
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else
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TmpTab[k] = v;
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end
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end
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return TmpTab;
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end
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--- 返回值的下标，没有返回-1
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---@param tab table
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---@param val any
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---@return bool, int32
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function TableHelper.GetValueIndex(tab, val)
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for k, v in pairs(tab) do
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if v == val then
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return true, k;
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end
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end
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return false, -1;
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end
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---@param tab table
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---@param val any
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function TableHelper.RemoveByValue(tab, val)
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for i, Val in pairs(tab) do
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if Val == val then
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table.remove(tab, i);
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break;
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end
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end
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end
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function TableHelper.Contains(tab, val)
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for i, Val in pairs(tab) do
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if Val == val then
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return true;
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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 TableHelper.GetName(Actor)
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if UE.IsValid(Actor) then
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return UE.GetPathName(Actor);
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elseif Actor ~= nil then
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return type(Actor)
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end
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return "[NullActor]";
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end
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function TableHelper.Length(InTable)
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if InTable == nil then
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return 0;
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end
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local Count = 0
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for _ in pairs(InTable) do
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Count = Count + 1;
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end
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return Count;
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end
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function TableHelper.AppendToTable(OriginalTable, NewTable)
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if OriginalTable == nil or NewTable == nil then
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return;
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end
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for k, v in pairs(NewTable) do
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table.insert(OriginalTable, v);
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end
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end
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function TableHelper.ArrayToLuaTable(Array)
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local Tab = {};
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for k, v in pairs(Array) do
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Tab[k] = v;
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end
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return Tab;
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end
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function class(classname, super)
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local superType = type(super)
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local cls
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if superType ~= "function" and superType ~= "table" then
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superType = nil
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super = nil
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end
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if superType == "function" or (super and super.__ctype == 1) then
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-- inherited from native C++ Object
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cls = {}
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if superType == "table" then
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-- copy fields from super
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for k, v in pairs(super) do
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cls[k] = v
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end
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cls.__create = super.__create
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cls.super = super
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else
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cls.__create = super
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cls.Ctor = function()
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end
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end
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cls.__cname = classname
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cls.__ctype = 1
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function cls.New(...)
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local instance = cls.__create(...)
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-- copy fields from class to native object
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for k, v in pairs(cls) do
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instance[k] = v
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end
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instance.class = cls
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instance:Ctor(...)
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return instance
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end
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else
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-- inherited from Lua Object
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if super then
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cls = {}
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setmetatable(cls, {
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__index = super
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})
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cls.super = super
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else
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cls = {
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Ctor = function()
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end
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}
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end
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cls.__cname = classname
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cls.__ctype = 2 -- lua
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cls.__index = cls
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function cls.New(...)
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local instance = setmetatable({}, cls)
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instance.class = cls
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instance:Ctor(...)
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return instance
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end
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end
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return cls
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end
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-- 拷贝table
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function table.DeepCopy(object)
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-- 已经复制过的table，key为复制源table，value为复制后的table
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-- 为了防止table中的某个属性为自身时出现死循环
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-- 避免本该是同一个table的属性，在复制时变成2个不同的table(内容同，但是地址关系和原来的不一样了)
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local lookup_table = {}
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local function _copy(object)
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if type(object) ~= 'table' then -- 非table类型都直接返回
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return object
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elseif lookup_table[object] then
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return lookup_table[object]
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end
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local new_table = {}
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lookup_table[object] = new_table
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for k, v in pairs(object) do
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new_table[_copy(k)] = _copy(v)
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end
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-- 这里直接拿mt来用是因为一般对table操作不会很粗暴的修改mt的相关内容
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return setmetatable(new_table, getmetatable(object))
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end
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return _copy(object)
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end
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---获取表元素个数
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function table.getCount(t)
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if type(t) ~= "table" then
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return -1
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end
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local Length = 0
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for i, v in pairs(t) do
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Length = Length + 1
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end
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return Length
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end
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---获取表中所有的Key
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function table.getKeys(t)
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if type(t) ~= "table" then
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return {}
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end
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local keys = {}
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for k,v in pairs(t) do
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keys[#keys + 1] = k
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end
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return keys
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end
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---获取对应元素的Index
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function table.getIndex(t, v)
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if type(t) ~= "table" then
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return nil
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end
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for index, value in pairs(t) do
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if value == v then
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return index
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end
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end
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return nil
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end
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---获取表中是否有对应Key
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function table.hasKey(t, k)
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if type(t) ~= "table" then
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return false
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end
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for key, value in pairs(t) do
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if k == key then
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return true
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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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---按Key删除表中元素
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function table.removeKey(t, k)
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if t == nil then
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return nil
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end
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local v = t[k]
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t[k] = nil
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return v
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end
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---获取表中是否有对应的Value
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function table.hasValue(t, value)
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if t == nil then return false end
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for k, v in pairs(t) do
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if v == value then
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return true
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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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---按Value删除表中元素
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function table.removeValue(t, value, removeAll)
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local deleteNum = 0
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local i = 1
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local max = table.getCount(t)
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while i <= max do
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if t[i] == value then
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table.remove(t,i)
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deleteNum = deleteNum + 1
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i = i - 1
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max = max - 1
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if not removeAll then break end
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end
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i = i + 1
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end
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return deleteNum
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end
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---返回是否是空表
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function table.isEmpty(t)
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if type(t) ~= "table" then
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return true
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end
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return next(t) == nil
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end
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function table.Rand(t)
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if type(t) ~= "table" or #t <= 0 then return nil end
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return t[math.random(1, #t)]
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end
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function table.GetMaxValueResKey(t, fun)
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if fun == nil then fun = function(p1, p2) return p1 < p2 end end
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if type(t) ~= "table" or type(fun) ~= "function" or table.getCount(t) <= 0 then return end
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local res = nil
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for k, v in pairs(t) do
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if not res or fun(t[res], v) then
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res = k
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end
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end
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return res
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end
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function table.FindKey(t, value)
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if type(t) ~= "table" then return nil end
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for k, v in pairs(t) do
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if v == value then return k end
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end
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return nil
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end
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function table.GetMaxValue(t)
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if type(t) ~= "table" then return nil end
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local Res = nil
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for k, v in pairs(t) do
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if Res == nil then Res = v
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elseif Res < v then Res = v
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end
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end
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return Res
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end
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function table.Swap(t, i, k)
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if type(t) ~= "table" then
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return false
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end
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local temp = t[i]
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t[i] = t[k]
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t[k] = temp
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end
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--- 打乱整个table 洗牌算法
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function table.Shuffle(t)
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if type(t) ~= "table" then
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return false
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end
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for i = 1, #t - 1 do
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local SwapIndex = math.random(i + 1, #t)
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table.Swap(t, i, SwapIndex)
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end
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return true
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end
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function table.addTableNum(t, k, v)
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if t[k] == nil then
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t[k] = v
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else
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t[k] = t[k] + v
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end
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return t[k]
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end
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---------------------------------------------------------table print---------------------------------------------------------
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-- log输出格式化
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local function logPrint(str)
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str = os.date("\nLog output date: %Y-%m-%d %H:%M:%S \n", os.time()) .. str
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print(str)
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end
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-- key值格式化
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local function formatKey(key)
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local t = type(key)
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if t == "number" then
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return "[" .. key .. "]"
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elseif t == "string" then
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local n = tonumber(key)
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if n then
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return "[" .. key .. "]"
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end
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end
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return key
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end
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return TableHelper; |