[saco] Implement/match CPlayerPed::FUNC_100AE6A0; the table lookup returns a signed short, which is what sign-extends the low half of the packed result

saco/game/playerped.cpp

@@ -18,6 +18,15 @@ extern BOOL	bIgnoreNextExit;
 extern BYTE	*pbyteCurrentPlayer;
 extern int	iGtaVersion;
 
+// all three live in the translation unit at 0x100A4xxx, which also reads them
+extern int   VAR_10151658;
+extern int   VAR_1015165C;
+extern float VAR_10151660;
+
+// .text:1009CFD0, lives in another translation unit; it returns -1 when the lookup
+// fails, so the return has to be signed
+short FUNC_1009CFD0(int a1);
+
 typedef char CPlayerPed_size_probe[sizeof(CPlayerPed) == 0x32D ? 1 : -1];
 typedef char CPlayerPed_2BD_probe[offsetof(CPlayerPed, field_2BD) == 0x2BD ? 1 : -1];
 
@@ -2325,3 +2334,11 @@ void CPlayerPed::FUNC_100AD440()
 	field_2B9 = 0;
 }
 //-----------------------------------------------------------
+
+DWORD CPlayerPed::FUNC_100AE6A0()
+{
+	short sIndex = FUNC_1009CFD0(FUNC_100B4430(VAR_10151658, VAR_1015165C));
+
+	return (((BYTE)VAR_10151660 | 0xFFFF8000) << 16) | sIndex;
+}
+//-----------------------------------------------------------

saco/game/playerped.h

@@ -261,6 +261,7 @@ public:
 
 	void		FUNC_100AD440(); // .text:100AD440
 
+
 	int			m_iCellPhoneEnabled;
 	int field_4C[10];
 	struc_97 field_74[10];