DWORD FixSwimReturn=0x68A50E;
int FixSwimAllow;
float TimeStepOriginal=1.66;
void _declspec(naked) FixSwim()
{
	_asm
	{
		pushfd
		pushad
    }

	if(FixSwimAllow)
	{
		FixSwimAllow=0;
		_asm
		{
			popad
			popfd

			fsub    st, st(1)

			fld     dword ptr [esp+16]
			lea     eax, [esi+44h]
			mov     ecx, eax
			fmul    st, st(1)

			fdiv	ds:0xB7CB5C
			fmul	TimeStepOriginal

			fstp    dword ptr [esp+28]

			fld     dword ptr [esp+20]
			fmul    st, st(1)

			fdiv	ds:0xB7CB5C
			fmul	TimeStepOriginal

			fstp    dword ptr [esp+32]
			fmul    dword ptr [esp+24]

			fdiv	ds:0xB7CB5C
			fmul	TimeStepOriginal

			jmp     FixSwimReturn
		}
	}
	else _asm
    {
		popad
		popfd

		fsub    st, st(1)

		fld     dword ptr [esp+16]
		lea     eax, [esi+44h]
		mov     ecx, eax
		fmul    st, st(1)

		fstp    dword ptr [esp+28]

		fld     dword ptr [esp+20]
		fmul    st, st(1)

		fstp    dword ptr [esp+32]
		fmul    dword ptr [esp+24]

        jmp     FixSwimReturn
    }
}

DWORD CheckSwim1Return=0x68A218;
void _declspec(naked) CheckSwim1()
{
	_asm
	{
		mov     eax, [esi+18h]
		push    ebx
		push    137h

		pushfd
		pushad
    }

	FixSwimAllow=1;

	_asm
    {
		popad
		popfd

        jmp     CheckSwim1Return
    }
}

DWORD CheckSwim2Return=0x68A443;
void _declspec(naked) CheckSwim2()
{
	_asm
	{
		mov     eax, [esi+14h]
		mov     ecx, [esi+4D8h]

		pushfd
		pushad
    }

	FixSwimAllow=1;

	_asm
    {
		popad
		popfd

        jmp     CheckSwim2Return
    }
}

HookInstall(0x68A4EF,(DWORD)FixSwim);
HookInstall(0x68A20F,(DWORD)CheckSwim1);
HookInstall(0x68A43A,(DWORD)CheckSwim2);

HookInstall jmp E9