mirror of https://github.com/axmolengine/axmol.git
62 lines
1.5 KiB
Lua
62 lines
1.5 KiB
Lua
|
|
--Create an class.
|
|
function class(classname, super)
|
|
local superType = type(super)
|
|
local cls
|
|
|
|
if superType ~= "function" and superType ~= "table" then
|
|
superType = nil
|
|
super = nil
|
|
end
|
|
|
|
if superType == "function" or (super and super.__ctype == 1) then
|
|
-- inherited from native C++ Object
|
|
cls = {}
|
|
|
|
if superType == "table" then
|
|
-- copy fields from super
|
|
for k,v in pairs(super) do cls[k] = v end
|
|
cls.__create = super.__create
|
|
cls.super = super
|
|
else
|
|
cls.__create = super
|
|
end
|
|
|
|
cls.ctor = function() end
|
|
cls.__cname = classname
|
|
cls.__ctype = 1
|
|
|
|
function cls.new(...)
|
|
local instance = cls.__create(...)
|
|
-- copy fields from class to native object
|
|
for k,v in pairs(cls) do instance[k] = v end
|
|
instance.class = cls
|
|
instance:ctor(...)
|
|
return instance
|
|
end
|
|
|
|
else
|
|
-- inherited from Lua Object
|
|
if super then
|
|
cls = clone(super)
|
|
cls.super = super
|
|
else
|
|
cls = {ctor = function() end}
|
|
end
|
|
|
|
cls.__cname = classname
|
|
cls.__ctype = 2 -- lua
|
|
cls.__index = cls
|
|
|
|
function cls.new(...)
|
|
local instance = setmetatable({}, cls)
|
|
instance.class = cls
|
|
instance:ctor(...)
|
|
return instance
|
|
end
|
|
end
|
|
|
|
return cls
|
|
end
|
|
|