Charge-dependent gravity

float C_TFCompoundBow::GetCurrentCharge(void)
{
    double chargeTime = this->GetChargeBeginTime();
    if (chargeTime != 0.0f)
    {
        double currentTime = g_pGlobals->???AbsTime???;
        return Min(currentTime - chargeTime, 1.0f);
    }
    return 0.0f;
}
//This makes no sense, but...
/*
__text:00267480 ; C_TFCompoundBow::GetCurrentCharge(void)
__text:00267480 __ZN15C_TFCompoundBow16GetCurrentChargeEv proc near
__text:00267480                                         ; DATA XREF: __const:00CCC0E0o
__text:00267480
__text:00267480 var_4           = dword ptr -4
__text:00267480 arg_0           = dword ptr  8
__text:00267480
__text:00267480                 push    ebp
__text:00267481                 mov     ebp, esp
__text:00267483                 sub     esp, 4
__text:00267486                 call    ___i686_get_pc_thunk_cx
__text:0026748B                 mov     eax, [ebp+arg_0]
__text:0026748E                 movss   xmm2, dword ptr [eax+24B4h] ; GetChargeBeginTime
__text:00267496                 pxor    xmm0, xmm0
__text:0026749A                 movaps  xmm1, xmm0
__text:0026749D                 ucomiss xmm2, xmm0
__text:002674A0                 jp      short loc_2674A4
__text:002674A2                 jz      short loc_2674BD
__text:002674A4
__text:002674A4 loc_2674A4:                             ; CODE XREF: C_TFCompoundBow::GetCurrentCharge(void)+20j
__text:002674A4                 mov     eax, ds:(g_pGlobals - 26748Bh)[ecx]
__text:002674AA                 mov     eax, [eax]
__text:002674AC                 movss   xmm1, dword ptr [eax+0Ch]
__text:002674B1                 subss   xmm1, xmm2
__text:002674B5                 minss   xmm1, ds:(flt_ABCAC8 - 26748Bh)[ecx]
__text:002674BD
__text:002674BD loc_2674BD:                             ; CODE XREF: C_TFCompoundBow::GetCurrentCharge(void)+22j
__text:002674BD                 movss   [ebp+var_4], xmm1
__text:002674C2                 fld     [ebp+var_4]
__text:002674C5                 leave
__text:002674C6                 retn
__text:002674C6 __ZN15C_TFCompoundBow16GetCurrentChargeEv endp
*/