- fixed startup-time setup of serverinfo CVARs.

Looks I completely forgot this part when refactoring the interface - it must account for the callbacks not doing anything due to the network code not being operational yet.

src/common/console/c_cvars.cpp

@@ -172,7 +172,7 @@ void FBaseCVar::SetGenericRep (UCVarValue value, ECVarType type)
 	{
 		return;
 	}
-	else if ((Flags & CVAR_LATCH) && callbacks && callbacks->MustLatch())
+	if ((Flags & CVAR_LATCH) && callbacks && callbacks->MustLatch())
 	{
 		FLatchedValue latch;
 
@@ -186,15 +186,13 @@ void FBaseCVar::SetGenericRep (UCVarValue value, ECVarType type)
 		LatchedValues.Push (latch);
 
 		Flags &= ~CVAR_UNSAFECONTEXT;
+		return;
 	}
-	else if ((Flags & CVAR_SERVERINFO) && callbacks && callbacks->SendServerInfoChange)
+	if ((Flags & CVAR_SERVERINFO) && callbacks && callbacks->SendServerInfoChange)
 	{
-		callbacks->SendServerInfoChange (this, value, type);
+		if (callbacks->SendServerInfoChange(this, value, type)) return;
 	}
-	else
-	{
 	ForceSet (value, type);
-	}
 }
 
 bool FBaseCVar::ToBool (UCVarValue value, ECVarType type)
@@ -969,17 +967,14 @@ void FFlagCVar::DoSet (UCVarValue value, ECVarType type)
 	// another flag might have made to the same cvar earlier in the script.
 	if (ValueVar.GetFlags() && callbacks && callbacks->SendServerFlagChange)
 	{
-		callbacks->SendServerFlagChange(&ValueVar, BitNum, newval, false);
+		if (callbacks->SendServerFlagChange(&ValueVar, BitNum, newval, false)) return;
 	}
-	else
-	{
 	int val = *ValueVar;
 	if (newval)
 		val |= BitVal;
 	else
 		val &= ~BitVal;
 	ValueVar = val;
-	}
 }
 
 //
@@ -1072,13 +1067,14 @@ void FMaskCVar::DoSet (UCVarValue value, ECVarType type)
 		{
 			if (BitVal & (1<<i))
 			{
-				callbacks->SendServerFlagChange (&ValueVar, i, !!(val & (1<<i)), silent);
+				if (!callbacks->SendServerFlagChange(&ValueVar, i, !!(val & (1 << i)), silent)) goto fallback; // the failure case here is either always or never.
 				silent = true; // only warn once if SendServerFlagChange needs to.
 			}
 		}
 	}
 	else
 	{
+	fallback:
 		int vval = *ValueVar;
 		vval &= ~BitVal;
 		vval |= val;

src/common/console/c_cvars.h

@@ -109,8 +109,8 @@ class FBaseCVar;
 struct ConsoleCallbacks
 {
 	void (*UserInfoChanged)(FBaseCVar*);
-	void (*SendServerInfoChange)(FBaseCVar* cvar, UCVarValue value, ECVarType type);
+	bool (*SendServerInfoChange)(FBaseCVar* cvar, UCVarValue value, ECVarType type);
-	void (*SendServerFlagChange)(FBaseCVar* cvar, int bitnum, bool set, bool silent);
+	bool (*SendServerFlagChange)(FBaseCVar* cvar, int bitnum, bool set, bool silent);
 	FBaseCVar* (*GetUserCVar)(int playernum, const char* cvarname);
 	bool (*MustLatch)();
 

src/d_netinf.h

@@ -54,8 +54,8 @@ void D_SetupUserInfo (void);
 
 void D_UserInfoChanged (FBaseCVar *info);
 
-void D_SendServerInfoChange (FBaseCVar *cvar, UCVarValue value, ECVarType type);
+bool D_SendServerInfoChange (FBaseCVar *cvar, UCVarValue value, ECVarType type);
-void D_SendServerFlagChange (FBaseCVar *cvar, int bitnum, bool set, bool silent);
+bool D_SendServerFlagChange (FBaseCVar *cvar, int bitnum, bool set, bool silent);
 void D_DoServerInfoChange (uint8_t **stream, bool singlebit);
 
 void D_WriteUserInfoStrings (int player, uint8_t **stream, bool compact=false);

src/d_netinfo.cpp

@@ -623,7 +623,7 @@ static const char *SetServerVar (char *name, ECVarType type, uint8_t **stream, b
 
 EXTERN_CVAR (Float, sv_gravity)
 
-void D_SendServerInfoChange (FBaseCVar *cvar, UCVarValue value, ECVarType type)
+bool D_SendServerInfoChange (FBaseCVar *cvar, UCVarValue value, ECVarType type)
 {
 	if (gamestate != GS_STARTUP && !demoplayback)
 	{
@@ -631,43 +631,47 @@ void D_SendServerInfoChange (FBaseCVar *cvar, UCVarValue value, ECVarType type)
 		{
 			Printf("Only setting controllers can change %s\n", cvar->GetName());
 			cvar->MarkSafe();
-			return;
+			return true;
-		}
 		}
 		size_t namelen;
 
-	namelen = strlen (cvar->GetName ());
+		namelen = strlen(cvar->GetName());
 
-	Net_WriteByte (DEM_SINFCHANGED);
+		Net_WriteByte(DEM_SINFCHANGED);
-	Net_WriteByte ((uint8_t)(namelen | (type << 6)));
+		Net_WriteByte((uint8_t)(namelen | (type << 6)));
-	Net_WriteBytes ((uint8_t *)cvar->GetName (), (int)namelen);
+		Net_WriteBytes((uint8_t*)cvar->GetName(), (int)namelen);
 		switch (type)
 		{
-	case CVAR_Bool:		Net_WriteByte (value.Bool);		break;
+		case CVAR_Bool:		Net_WriteByte(value.Bool);		break;
-	case CVAR_Int:		Net_WriteLong (value.Int);		break;
+		case CVAR_Int:		Net_WriteLong(value.Int);		break;
-	case CVAR_Float:	Net_WriteFloat (value.Float);	break;
+		case CVAR_Float:	Net_WriteFloat(value.Float);	break;
-	case CVAR_String:	Net_WriteString (value.String);	break;
+		case CVAR_String:	Net_WriteString(value.String);	break;
 		default: break; // Silence GCC
 		}
+		return true;
+	}
+	return false;
 }
 
-void D_SendServerFlagChange (FBaseCVar *cvar, int bitnum, bool set, bool silent)
+bool D_SendServerFlagChange (FBaseCVar *cvar, int bitnum, bool set, bool silent)
 {
 	if (gamestate != GS_STARTUP && !demoplayback)
 	{
 		if (netgame && !players[consoleplayer].settings_controller)
 		{
 			if (!silent) Printf("Only setting controllers can change %s\n", cvar->GetName());
-			return;
+			return true;
-		}
 		}
 
-	int namelen = (int)strlen (cvar->GetName ());
+		int namelen = (int)strlen(cvar->GetName());
 
-	Net_WriteByte (DEM_SINFCHANGEDXOR);
+		Net_WriteByte(DEM_SINFCHANGEDXOR);
-	Net_WriteByte ((uint8_t)namelen);
+		Net_WriteByte((uint8_t)namelen);
-	Net_WriteBytes ((uint8_t *)cvar->GetName (), namelen);
+		Net_WriteBytes((uint8_t*)cvar->GetName(), namelen);
-	Net_WriteByte (uint8_t(bitnum | (set << 5)));
+		Net_WriteByte(uint8_t(bitnum | (set << 5)));
+		return true;
+	}
+	return false;
 }
 
 void D_DoServerInfoChange (uint8_t **stream, bool singlebit)