[server] Implement/match n_IsPlayerInVehicle(...)

server/player.h

@@ -2,6 +2,17 @@
 #ifndef SAMPSRV_PLAYER_H
 #define SAMPSRV_PLAYER_H
 
+#define PLAYER_STATE_NONE						0
+#define PLAYER_STATE_ONFOOT						1
+#define PLAYER_STATE_DRIVER						2
+#define PLAYER_STATE_PASSENGER					3
+#define PLAYER_STATE_EXIT_VEHICLE				4
+#define PLAYER_STATE_ENTER_VEHICLE_DRIVER		5
+#define PLAYER_STATE_ENTER_VEHICLE_PASSENGER	6
+#define PLAYER_STATE_WASTED						7
+#define PLAYER_STATE_SPAWNED					8
+#define PLAYER_STATE_SPECTATING					9
+
 #pragma pack(1)
 typedef struct _PLAYER_SPAWN_INFO
 {
@@ -147,7 +158,7 @@ public:
 
 	char _pad2BA5[4];
 
-	char field_2BA9;
+	BYTE					m_byteState;
 
 	VECTOR					m_vecCheckpoint;
 	float					m_fCheckpointSize;
@@ -167,7 +178,7 @@ public:
 	char field_2C2F;
 	char field_2C30;
 	char field_2C31;
-	short field_2C32;
+	VEHICLEID				m_VehicleID;
 	int field_2C34;
 	BOOL					m_bCheckpointEnabled;
 	BOOL					m_bRaceCheckpointEnabled;
@@ -199,6 +210,9 @@ public:
 
 	int field_2CDA;
 
+
+	BYTE GetState() { return m_byteState; };
+
 	void Say(unsigned char * szText, BYTE byteTextLength);
 
 	void SetSpawnInfo(PLAYER_SPAWN_INFO *pSpawn);

server/scrcustom.cpp

@@ -977,9 +977,20 @@ static cell AMX_NATIVE_CALL n_RemovePlayerFromVehicle(AMX *amx, cell *params)
 	return 0;
 }
 
+// native IsPlayerInVehicle(playerid, vehicleid)
 static cell AMX_NATIVE_CALL n_IsPlayerInVehicle(AMX *amx, cell *params)
 {
-	// TODO: IsPlayerInVehicle
+	CPlayer* pPlayer = pNetGame->GetPlayerPool()->GetAt((PLAYERID)params[1]);
+	if (!pPlayer) return 0;
+	BYTE byteState = pPlayer->GetState();
+	if ((byteState == PLAYER_STATE_DRIVER) || (byteState == PLAYER_STATE_PASSENGER))
+	{
+		if (pPlayer->m_VehicleID == params[2])
+		{
+			return 1;
+		}
+	}
+
 	return 0;
 }