Snippet Typecasting

kingkingyyk3

kingkingyyk3

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JASS:
//////////////////////////////////////////
//       Typecasting 2.0.1
//       by kingking
//  
//  This library provides some type
//  converting functions.
//
//  ====================================
//   Functions provided :
//  ====================================
//  Agent2Widget(agent) -> widget
//  Agent2Group(agent) -> group
//  Agent2Trigger(agent) -> trigger
//  Agent2Timer(agent) -> timer
//  Agent2Location(agent) -> location
//  Agent2Effect(agent) -> effect
//  Agent2Unit(agent) -> unit
//  Agent2Item(agent) -> item
//  Widget2Unit(widget) -> unit
//  Widget2Destructable(widget) -> destructable
//  Widget2Item(widget) -> item
//
//  Due to the usage of CovertFogState in hashtable, I2X
//  is available again.
//  
//  Int2Widget(integer) -> widget
//  Int2Destructable(integer) -> destructable
//  Int2Item(integer) -> item
//  Int2Unit(integer) -> unit
//  Int2Ability(integer) -> ability
//  Int2Timer(integer) -> timer
//  Int2Trigger(integer) -> trigger
//  Int2TriggerCondition(integer) -> triggercondition
//  Int2TriggerAction(integer) -> triggeraction
//  Int2Force(integer) -> force
//  Int2Group(integer) -> group
//  Int2Location(integer) -> location
//  Int2Rect(integer) -> rect
//  Int2Sound(integer) -> sound
//  Int2Effect(integer) -> effect
//  Int2UnitPool(integer) -> unitpool
//  Int2ItemPool(integer) -> itempool
//  Int2Quest(integer) -> quest
//  Int2QuestItem(integer) -> questitem
//  Int2DefeatCondition(integer) -> defeatcondition
//  Int2TimerDialog(integer) -> timerdialog
//  Int2Leaderboard(integer) -> leaderboard
//  Int2Multiboard(integer) -> multiboard
//  Int2MultiboardItem(integer) -> multiboarditem
//  Int2Trackable(integer) -> trackable
//  Int2Dialog(integer) -> dialog
//  Int2Button(integer) -> button
//  Int2TextTag(integer) -> texttag
//  Int2Ubersplat(integer) -> ubersplat
//  Int2Region(integer) -> region
//  Int2FogState(integer) -> fogstate
//  Int2FogModifier(integer) -> fogmodifier
//
//  Requirement :
//  Wc3 1.24b or newer
//  Jasshelper 0.A.2.9 or newer
///////////////////////////////////////
library Typecasting

    globals
        private hashtable Data = InitHashtable()
    endglobals

    //! textmacro Typecasting takes ParentName, parenttype, TypeName, type
    function $ParentName$2$TypeName$ takes $parenttype$ object returns $type$
        call Save$ParentName$Handle(Data,0,0,object)
        return Load$TypeName$Handle(Data,0,0)
    endfunction
    //! endtextmacro
    //! runtextmacro Typecasting ("Agent","agent","Widget","widget")
    //! runtextmacro Typecasting ("Agent","agent","Group","group")
    //! runtextmacro Typecasting ("Agent","agent","Trigger","trigger")
    //! runtextmacro Typecasting ("Agent","agent","Timer","timer")
    //! runtextmacro Typecasting ("Agent","agent","Location","location")
    //! runtextmacro Typecasting ("Agent","agent","Effect","effect")
    //! runtextmacro Typecasting ("Agent","agent","Unit","unit")
    //! runtextmacro Typecasting ("Agent","agent","Item","item")
    //! runtextmacro Typecasting ("Widget","widget","Unit","unit")
    //! runtextmacro Typecasting ("Widget","widget","Destructable","destructable")
    //! runtextmacro Typecasting ("Widget","widget","Item","item")

    //! textmacro Typecasting_I2X takes TypeName, type
    function Int2$TypeName$ takes integer id returns $type$
        call SaveFogStateHandle(Data,0,0,ConvertFogState(id))
        return Load$TypeName$Handle(Data,0,0)
    endfunction
    //! endtextmacro
    //! runtextmacro Typecasting_I2X("Unit", "unit")
    //! runtextmacro Typecasting_I2X("Effect", "effect")
    //! runtextmacro Typecasting_I2X("Trigger", "trigger")
    //! runtextmacro Typecasting_I2X("Timer", "timer")
    //! runtextmacro Typecasting_I2X("Widget", "widget")
    //! runtextmacro Typecasting_I2X("Group", "group")
    //! runtextmacro Typecasting_I2X("Location", "location")
    //! runtextmacro Typecasting_I2X("Item", "item")
    //! runtextmacro Typecasting_I2X("Destructable", "destructable")
    //! runtextmacro Typecasting_I2X("Ability", "ability")
    //! runtextmacro Typecasting_I2X("TriggerCondition", "triggercondition")
    //! runtextmacro Typecasting_I2X("TriggerAction", "triggeraction")
    //! runtextmacro Typecasting_I2X("Force", "force")
    //! runtextmacro Typecasting_I2X("Rect", "rect")
    //! runtextmacro Typecasting_I2X("Sound", "sound")
    //! runtextmacro Typecasting_I2X("UnitPool", "unitpool")
    //! runtextmacro Typecasting_I2X("ItemPool", "itempool")
    //! runtextmacro Typecasting_I2X("Quest", "quest")
    //! runtextmacro Typecasting_I2X("QuestItem", "questitem")
    //! runtextmacro Typecasting_I2X("DefeatCondition", "defeatcondition")
    //! runtextmacro Typecasting_I2X("TimerDialog", "timerdialog")
    //! runtextmacro Typecasting_I2X("Leaderboard", "leaderboard")
    //! runtextmacro Typecasting_I2X("Multiboard", "multiboard")
    //! runtextmacro Typecasting_I2X("MultiboardItem", "multiboarditem")
    //! runtextmacro Typecasting_I2X("Trackable", "trackable")
    //! runtextmacro Typecasting_I2X("Dialog", "dialog")
    //! runtextmacro Typecasting_I2X("Button", "button")
    //! runtextmacro Typecasting_I2X("TextTag", "texttag")
    //! runtextmacro Typecasting_I2X("Image", "image")
    //! runtextmacro Typecasting_I2X("Ubersplat", "ubersplat")
    //! runtextmacro Typecasting_I2X("Region", "region")
    //! runtextmacro Typecasting_I2X("FogState", "fogstate")
    //! runtextmacro Typecasting_I2X("FogModifier", "fogmodifier")
endlibrary


Zinc version :
JASS:
//////////////////////////////////////////
//       Typecasting(Zinc) 2.0.1
//       by kingking
//  
//  This library provides some type
//  converting functions.
//
//  ====================================
//   Functions provided :
//  ====================================
//  Agent2Widget(agent) -> widget
//  Agent2Group(agent) -> group
//  Agent2Trigger(agent) -> trigger
//  Agent2Timer(agent) -> timer
//  Agent2Location(agent) -> location
//  Agent2Effect(agent) -> effect
//  Agent2Unit(agent) -> unit
//  Agent2Item(agent) -> item
//  Widget2Unit(widget) -> unit
//  Widget2Destructable(widget) -> destructable
//  Widget2Item(widget) -> item
//
//  Due to the usage of CovertFogState in hashtable, I2X
//  is available again.
//  
//  Int2Widget(integer) -> widget
//  Int2Destructable(integer) -> destructable
//  Int2Item(integer) -> item
//  Int2Unit(integer) -> unit
//  Int2Ability(integer) -> ability
//  Int2Timer(integer) -> timer
//  Int2Trigger(integer) -> trigger
//  Int2TriggerCondition(integer) -> triggercondition
//  Int2TriggerAction(integer) -> triggeraction
//  Int2Force(integer) -> force
//  Int2Group(integer) -> group
//  Int2Location(integer) -> location
//  Int2Rect(integer) -> rect
//  Int2Sound(integer) -> sound
//  Int2Effect(integer) -> effect
//  Int2UnitPool(integer) -> unitpool
//  Int2ItemPool(integer) -> itempool
//  Int2Quest(integer) -> quest
//  Int2QuestItem(integer) -> questitem
//  Int2DefeatCondition(integer) -> defeatcondition
//  Int2TimerDialog(integer) -> timerdialog
//  Int2Leaderboard(integer) -> leaderboard
//  Int2Multiboard(integer) -> multiboard
//  Int2MultiboardItem(integer) -> multiboarditem
//  Int2Trackable(integer) -> trackable
//  Int2Dialog(integer) -> dialog
//  Int2Button(integer) -> button
//  Int2TextTag(integer) -> texttag
//  Int2Ubersplat(integer) -> ubersplat
//  Int2Region(integer) -> region
//  Int2FogState(integer) -> fogstate
//  Int2FogModifier(integer) -> fogmodifier
//
//  Requirement :
//  Wc3 1.24b or newer
//  Jasshelper 0.A.2.9 or newer
///////////////////////////////////////
//! zinc
library Typecasting
{
    private hashtable Data = InitHashtable();

    //! textmacro Typecasting takes ParentName, parenttype, TypeName, type
    public function $ParentName$2$TypeName$ ($parenttype$ object) -> $type$
    {
        Save$ParentName$Handle(Data,0,0,object);
        return Load$TypeName$Handle(Data,0,0);
    }
    //! endtextmacro
    //! runtextmacro Typecasting ("Agent","agent","Widget","widget")
    //! runtextmacro Typecasting ("Agent","agent","Group","group")
    //! runtextmacro Typecasting ("Agent","agent","Trigger","trigger")
    //! runtextmacro Typecasting ("Agent","agent","Timer","timer")
    //! runtextmacro Typecasting ("Agent","agent","Location","location")
    //! runtextmacro Typecasting ("Agent","agent","Effect","effect")
    //! runtextmacro Typecasting ("Agent","agent","Unit","unit")
    //! runtextmacro Typecasting ("Agent","agent","Item","item")
    //! runtextmacro Typecasting ("Widget","widget","Unit","unit")
    //! runtextmacro Typecasting ("Widget","widget","Destructable","destructable")
    //! runtextmacro Typecasting ("Widget","widget","Item","item")

    //! textmacro Typecasting_I2X takes TypeName, type
    public function Int2$TypeName$ (integer id) -> $type$
    {
        SaveFogStateHandle(Data,0,0,ConvertFogState(id));
        return Load$TypeName$Handle(Data,0,0);
    }
    //! endtextmacro
    //! runtextmacro Typecasting_I2X("Unit", "unit")
    //! runtextmacro Typecasting_I2X("Effect", "effect")
    //! runtextmacro Typecasting_I2X("Trigger", "trigger")
    //! runtextmacro Typecasting_I2X("Timer", "timer")
    //! runtextmacro Typecasting_I2X("Widget", "widget")
    //! runtextmacro Typecasting_I2X("Group", "group")
    //! runtextmacro Typecasting_I2X("Location", "location")
    //! runtextmacro Typecasting_I2X("Item", "item")
    //! runtextmacro Typecasting_I2X("Destructable", "destructable")
    //! runtextmacro Typecasting_I2X("Ability", "ability")
    //! runtextmacro Typecasting_I2X("TriggerCondition", "triggercondition")
    //! runtextmacro Typecasting_I2X("TriggerAction", "triggeraction")
    //! runtextmacro Typecasting_I2X("Force", "force")
    //! runtextmacro Typecasting_I2X("Rect", "rect")
    //! runtextmacro Typecasting_I2X("Sound", "sound")
    //! runtextmacro Typecasting_I2X("UnitPool", "unitpool")
    //! runtextmacro Typecasting_I2X("ItemPool", "itempool")
    //! runtextmacro Typecasting_I2X("Quest", "quest")
    //! runtextmacro Typecasting_I2X("QuestItem", "questitem")
    //! runtextmacro Typecasting_I2X("DefeatCondition", "defeatcondition")
    //! runtextmacro Typecasting_I2X("TimerDialog", "timerdialog")
    //! runtextmacro Typecasting_I2X("Leaderboard", "leaderboard")
    //! runtextmacro Typecasting_I2X("Multiboard", "multiboard")
    //! runtextmacro Typecasting_I2X("MultiboardItem", "multiboarditem")
    //! runtextmacro Typecasting_I2X("Trackable", "trackable")
    //! runtextmacro Typecasting_I2X("Dialog", "dialog")
    //! runtextmacro Typecasting_I2X("Button", "button")
    //! runtextmacro Typecasting_I2X("TextTag", "texttag")
    //! runtextmacro Typecasting_I2X("Image", "image")
    //! runtextmacro Typecasting_I2X("Ubersplat", "ubersplat")
    //! runtextmacro Typecasting_I2X("Region", "region")
    //! runtextmacro Typecasting_I2X("FogState", "fogstate")
    //! runtextmacro Typecasting_I2X("FogModifier", "fogmodifier")
}
//! endzinc
 
Text Macros:
Helping the lazy since... Wait, when was vJASS made? o_O
:p

I'd test it, if I knew what typecasting was. >.<
 
In 1.24 or higher, typecasting like this is not allowed :

JASS:
function H2I takes handle h returns integer
    return h
    return 0
endfunction


Textmacro... :D
 
JASS:

function $ParentName$2$TypeName$ takes $parenttype$ object returns $type$
    local integer key = GetHandleId(object)
    call Save$ParentName$Handle(Data,key,0,object)
    return Load$TypeName$Handle(Data,key,0)
endfunction

Wouldn't it make more sense, for efficiency purposes, to just do:
JASS:

function $ParentName$2$TypeName$ takes $parenttype$ object returns $type$
    call Save$ParentName$Handle(Data,0,0,object)
    return Load$TypeName$Handle(Data,0,0)
endfunction

I mean, what's the point of the key? Does it really matter where an object is in a private hashtable that isn't being used for storage purposes anyway?




I can't really see the point of this though. Typecasting in previous versions was done more or less exclusively for attachment purposes.
 
The only typecasting I've ever actually needed was W2D and W2I. Not having a GetTriggerItem native is annoying.
 
GetManipulatedItem is basically an oddly named GetTriggerItem.
GetTriggerDesuctructable was added recently.

I don't see much purpose in typecasting anymore.

Uberfoop speaks the truth about the key. I was going to mention it myself.
 
GetManipulatedItem doesn't exactly get an item that died.

And, yes, GetTriggerDestructable was a good move by Blizzard.
 
uberfoop said:
JASS:

function $ParentName$2$TypeName$ takes $parenttype$ object returns $type$
    local integer key = GetHandleId(object)
    call Save$ParentName$Handle(Data,key,0,object)
    return Load$TypeName$Handle(Data,key,0)
endfunction

Wouldn't it make more sense, for efficiency purposes, to just do:
JASS:

function $ParentName$2$TypeName$ takes $parenttype$ object returns $type$
    call Save$ParentName$Handle(Data,0,0,object)
    return Load$TypeName$Handle(Data,0,0)
endfunction

I mean, what's the point of the key? Does it really matter where an object is in a private hashtable that isn't being used for storage purposes anyway?




I can't really see the point of this though. Typecasting in previous versions was done more or less exclusively for attachment purposes.
Click to expand...

Ops, sorry, my bad.
 
Azlier said:
GetManipulatedItem doesn't exactly get an item that died.
Click to expand...
Or what if you wanted to write a DestroyAgent API? But yes, downcasting widgets is the main use of this, with GetTriggerWidget (there's still no GetTriggerItem native, right?).

This seems like a practical thing to have. If there's no objections, I'll approve it.

It seems to be perfectly written.
 
Azlier said:
The only typecasting I've ever actually needed was W2D and W2I. Not having a GetTriggerItem native is annoying.
Click to expand...

What about getting entering unit (for a unit comes within range event)? Don't you need typecasting to get that unit?
 
Tru_Power22 said:
What about getting entering unit (for a unit comes within range event)? Don't you need typecasting to get that unit?
Click to expand...
JASS:
GetTriggerUnit()

There is no native from which to get the center unit, typecasted result or not...

(...that I know of. Wonder if typecasting GetTriggerWidget returns anything interesting? XD)
 
>Approved!

Yes. Especially after the return bug is suddenly usable again. :rolleyes:

This is a 'safe' alternative, I guess.
 
Zinc version is totally useless. It just changed about 3 lines, and you still have a private keyword in there (not necessary in zinc, everything is automatically private).
 
In this case, it is same either private or just leave it there. lol

When complied, it is same.
 
As long as the vJass doesn't disappear, Zinc doesn't hurt...

Just want to say that Zinc is not standard here yet either, even though it compiles with JassHelper. Vex can change it substancially at any moment, it is still young (more a warning for you in your own maps, that you should keep vJass for now in case Vex breaks backwards compatability on Zinc). :)
 
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