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October 12, 2023 10:25
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Example of super using a self contained callstack
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function log(_str) {return show_debug_message(_str)}; | |
function A() constructor { | |
static example = function(){ | |
log("Calling A"); | |
} | |
} | |
function B() : A() constructor { | |
static example = function() { | |
log("Calling B"); | |
super.example(); | |
} | |
} | |
function C() : B() constructor { | |
static example = function() { | |
log("Calling C"); | |
super.example(); | |
//note that if at any point you dont use the defined super, you will cause an infinate loop, | |
// comment out the line above, and uncomment the lines below to test this. | |
//var _func = B.example; | |
//_func(); | |
} | |
} | |
function D() : C() constructor { | |
static example = function() { | |
log("Calling D"); | |
super.example(); | |
} | |
} | |
function E() : D() constructor { | |
static example = function() { | |
log("Calling E"); | |
super.example(); | |
//var _func = D.example; | |
//_func(); | |
} | |
} | |
function F() : E() constructor { | |
static example = function() { | |
log("Calling F"); | |
super.example(); | |
} | |
} | |
var _test = new A(); | |
_test.example(); | |
log("\n") | |
//make sure to test these out of order | |
var _test = new C(); | |
_test.example(); | |
log("\n") | |
var _test = new B(); | |
_test.example(); | |
log("\n") | |
//done | |
var _test = new D(); | |
_test.example(); | |
log("\n") | |
var _test = new E(); | |
_test.example(); | |
log("\n") | |
var _test = new F(); | |
_test.example(); | |
log("\n") | |
#macro super static __super__ = new __super(_GMFUNCTION_); __super.__data__.__self__ = self; __super__ | |
function __super(_func_name) constructor { | |
static __data__ = { | |
__depth__ : 0, | |
__self__ : 0, | |
} | |
//start instantly by grabbing the parent | |
var _statics = static_get(static_get(other)); | |
repeat(__data__.__depth__) { | |
_statics = static_get(_statics); | |
} | |
var _parent_statics = _statics; | |
#region Find all parent structs | |
//this is used as a massive work around for html5 lacking support for `instanceof(_statics)` | |
// in the future uncomment out the parent struct name != object lines | |
static __blank_constructor__ = function() constructor {}; | |
static __blank_object__ = new __blank_constructor__(); | |
static __object_statics__ = static_get(static_get(__blank_object__)); | |
/////////////////////////////////////////////////////////////////////////////////////////// | |
///////while (_parent_struct_name != "Object") { | |
while (__object_statics__ != _parent_statics) { | |
var _key, _val; | |
var _names = variable_struct_get_names(_parent_statics); | |
var _size = array_length(_names); | |
var _i=0; repeat(_size) { | |
_key = _names[_i] | |
//skip internal keys and already included keys | |
if (_key == "<unknown built-in variable>") | |
|| (variable_struct_exists(self, _key)) { | |
_i+=1; | |
continue; | |
} | |
_val = _parent_statics[$ _key] | |
self[$ _key] = method({func: _val}, function(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15) { | |
__super.__data__.__depth__ += 1; | |
//this is a safety check to ensure testing continues even if we hit one fatal error. | |
if (__super.__data__.__depth__ > 10) exit; | |
var _return = method(__super.__data__.__self__, func)(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15) | |
__super.__data__.__depth__ -= 1; | |
return _return | |
}) | |
_i+=1;}//end repeat loop | |
//continue to the next struct | |
//var _parent_struct_name = instanceof(_parent_statics) | |
_parent_statics = static_get(_parent_statics); | |
} | |
#endregion | |
} |
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