Fix 3994: Radio name do not always show. (#129)

This happens with gta sa vehicles that have by default the radio
disabled.
I think I have found a way to change this without altering the
CAudioEngine::IsVehicleRadioActive function.

Author: ZReC

Client/game_sa/CVehicleSA.h

@@ -701,7 +701,8 @@ class CVehicleSA : public virtual CVehicle, public virtual CPhysicalSA
     void                        SetAdjustablePropertyValue              ( unsigned short usAdjustableProperty ) { *reinterpret_cast < unsigned short* > ( reinterpret_cast < unsigned int > ( m_pInterface ) + 2156 ) = usAdjustableProperty; };
     void                        SetHeliRotorSpeed                       ( float fSpeed )                        { *reinterpret_cast < float* > ( reinterpret_cast < unsigned int > ( m_pInterface ) + 2124 ) = fSpeed; };
     void                        SetExplodeTime                          ( unsigned long ulTime )                { *reinterpret_cast < unsigned long* > ( reinterpret_cast < unsigned int > ( m_pInterface ) + 1240 ) = ulTime; };
-    
+    void                        SetRadioStatus                          ( bool bStatus )                        { *reinterpret_cast < unsigned char* > ( reinterpret_cast < unsigned int  > (m_pInterface ) + 0x1D3 ) = bStatus; };
+
     void                        SetNitroCount                           ( char cNitroCount )                { GetVehicleInterface ()->m_nNitroBoosts = cNitroCount; }
     void                        SetNitroLevel                           ( float fLevel );
 

Client/mods/deathmatch/logic/CClientVehicle.cpp

@@ -2739,6 +2739,7 @@ void CClientVehicle::Create ( void )
         m_pVehicle->SetSmokeTrailEnabled ( m_bSmokeTrail );
         m_pVehicle->SetGravity ( &m_vecGravity );
         m_pVehicle->SetHeadLightColor ( m_HeadLightColor );
+        m_pVehicle->SetRadioStatus ( 0 );
 
         if ( IsNitroInstalled() )
         {

Client/sdk/game/CVehicle.h

@@ -225,6 +225,7 @@ class CVehicle : public virtual CPhysical
     virtual void                SetHeliRotorSpeed                       ( float fSpeed ) = 0;
     virtual void                SetTaxiLightOn                          ( bool bLightState ) = 0;
     virtual void                SetExplodeTime                          ( unsigned long ulTime ) = 0;
+    virtual void                SetRadioStatus                          ( bool bStatus ) = 0;
 
     virtual void                SetNitroCount                           ( char cNitroCount ) = 0;
     virtual void                SetNitroLevel                           ( float fNitroLevel ) = 0;