Simple Cache questions

native  InitGameCache   takes string campaignFile returns gamecache
native  SaveGameCache   takes gamecache whichCache returns boolean

native  StoreInteger    takes gamecache cache, string missionKey, string key, integer value returns nothing
native  StoreReal       takes gamecache cache, string missionKey, string key, real value returns nothing //Store a real...
native  StoreBoolean    takes gamecache cache, string missionKey, string key, boolean value returns nothing
native  StoreUnit       takes gamecache cache, string missionKey, string key, unit whichUnit returns boolean
native  StoreString     takes gamecache cache, string missionKey, string key, string value returns boolean

// Will return 0 if the specified value's data is not found in the cache
native  GetStoredInteger        takes gamecache cache, string missionKey, string key returns integer
native  GetStoredReal           takes gamecache cache, string missionKey, string key returns real //Returns the real
native  GetStoredBoolean        takes gamecache cache, string missionKey, string key returns boolean
native  GetStoredString         takes gamecache cache, string missionKey, string key returns string
native  RestoreUnit             takes gamecache cache, string missionKey, string key, player forWhichPlayer, real x, real y, real facing returns unit

// Helps to determine if the value has been stored in game cache
native  HaveStoredInteger        takes gamecache cache, string missionKey, string key returns boolean
native  HaveStoredReal           takes gamecache cache, string missionKey, string key returns boolean
native  HaveStoredBoolean        takes gamecache cache, string missionKey, string key returns boolean
native  HaveStoredUnit           takes gamecache cache, string missionKey, string key returns boolean
native  HaveStoredString         takes gamecache cache, string missionKey, string key returns boolean

// Cleans data...
native  FlushGameCache          takes gamecache cache returns nothing
native  FlushStoredMission      takes gamecache cache, string missionKey returns nothing
native  FlushStoredInteger      takes gamecache cache, string missionKey, string key returns nothing
native  FlushStoredReal         takes gamecache cache, string missionKey, string key returns nothing
native  FlushStoredBoolean      takes gamecache cache, string missionKey, string key returns nothing
native  FlushStoredUnit         takes gamecache cache, string missionKey, string key returns nothing
native  FlushStoredString       takes gamecache cache, string missionKey, string key returns nothing

function GetHandleUnit takes handle subject, string name returns unit
    return GetStoredInteger(LocalVars(), I2S(H2I(subject)), name)
    return null
endfunction

function GetHandleItem takes handle subject, string name returns item
    return GetStoredInteger(LocalVars(), I2S(H2I(subject)), name)
    return null
endfunction

function SetHandleInt takes handle subject, string name, integer value returns nothing
    if value==0 then
        call FlushStoredInteger(LocalVars(),I2S(H2I(subject)),name)
    else
        call StoreInteger(LocalVars(), I2S(H2I(subject)), name, value)
    endif
endfunction

call SetHandleInt(TargetItem, "ring", ??????)

call SetHandleInt(TargetItem, "ring", H2I(HeroUnit))

globals
    gamecache GC = InitGameCache("test.w3v")
endglobals

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

struct Items
    item i
    static method Set takes item i returns Item
        local Items I = Items.allocate()
        set I.i = i
        return I
    endmethod
endstruct

function StoreItem takes item i returns integer
    local Items I = Items.Set(i)
    call StoreInteger(GC, "Items", I2S(integer(I)), H2I(i))
    return integer(I)
endfunction

function GetStoredItem takes integer index returns item
    local Items I = Items( GetStoredInteger(GC, "Items", I2S(index))
    return I.i
endfunction