- removed the string assignment operators.

These all caught literal 0's as well

src/common/audio/sound/s_soundinternal.h

@@ -44,16 +44,6 @@ class FSoundID
 	}
 	FSoundID(const FSoundID &other) = default;
 	FSoundID &operator=(const FSoundID &other) = default;
-	FSoundID &operator=(const char *name)
-	{
-		ID = GetSoundIndex(name);
-		return *this;
-	}
-	FSoundID &operator=(const FString &name)
-	{
-		ID = GetSoundIndex(name.GetChars());
-		return *this;
-	}
 	bool operator !=(FSoundID other) const
 	{
 		return ID != other.ID;

src/common/engine/serializer.cpp

@@ -1358,12 +1358,12 @@ FSerializer &Serialize(FSerializer &arc, const char *key, FSoundID &sid, FSoundI
 			}
 			else if (val->IsNull())
 			{
-				sid = 0;
+				sid = NO_SOUND;
 			}
 			else
 			{
 				Printf(TEXTCOLOR_RED "string type expected for '%s'\n", key);
-				sid = 0;
+				sid = NO_SOUND;
 				arc.mErrors++;
 			}
 		}

src/gamedata/p_terrain.cpp

@@ -355,7 +355,7 @@ static void ParseOuter (FScanner &sc)
 static void SetSplashDefaults (FSplashDef *splashdef)
 {
 	splashdef->SmallSplashSound =
-		splashdef->NormalSplashSound = 0;
+		splashdef->NormalSplashSound = NO_SOUND;
 	splashdef->SmallSplash =
 		splashdef->SplashBase =
 		splashdef->SplashChunk = NULL;

src/gamedata/textures/anim_switches.cpp

@@ -87,7 +87,7 @@ void FTextureAnimator::InitSwitchList ()
 				def2 = (FSwitchDef *)M_Malloc (sizeof(FSwitchDef));
 				def1->PreTexture = def2->frames[0].Texture = TexMan.CheckForTexture (list_p /* .name1 */, ETextureType::Wall, texflags);
 				def2->PreTexture = def1->frames[0].Texture = TexMan.CheckForTexture (list_p + 9, ETextureType::Wall, texflags);
-				def1->Sound = def2->Sound = 0;
+				def1->Sound = def2->Sound = NO_SOUND;
 				def1->NumFrames = def2->NumFrames = 1;
 				def1->frames[0].TimeMin = def2->frames[0].TimeMin = 0;
 				def1->frames[0].TimeRnd = def2->frames[0].TimeRnd = 0;

src/maploader/strifedialogue.cpp

@@ -419,7 +419,7 @@ FStrifeDialogueNode *MapLoader::ReadTeaserNode (const char *name, FileReader &lu
 	}
 	else
 	{
-		node->SpeakerVoice = 0;
+		node->SpeakerVoice = NO_SOUND;
 	}
 
 	// The speaker's name, if any.

src/playsim/p_map.cpp

@@ -3489,7 +3489,7 @@ bool FSlide::BounceWall(AActor *mo)
 
 	if (line->special == Line_Horizon || ((mo->BounceFlags & BOUNCE_NotOnSky) && line->hitSkyWall(mo)))
 	{
-		mo->SeeSound = mo->BounceSound = 0;	// it might make a sound otherwise
+		mo->SeeSound = mo->BounceSound = NO_SOUND;	// it might make a sound otherwise
 		mo->Destroy();
 		return true;
 	}

src/r_data/sprites.cpp

@@ -886,7 +886,7 @@ void R_InitSkins (void)
 		}
 
 		// Register any sounds this skin provides
-		aliasid = 0;
+		aliasid = NO_SOUND;
 		for (j = 0; j < NUMSKINSOUNDS; j++)
 		{
 			if (sndlumps[j] != -1)

src/sound/s_advsound.cpp

@@ -337,7 +337,7 @@ void S_CheckIntegrity()
 			auto& sfx = *soundEngine->GetWritableSfx(FSoundID::fromInt(i));
 			Printf(TEXTCOLOR_RED "Sound %s has been disabled\n", sfx.name.GetChars());
 			sfx.bRandomHeader = false;
-			sfx.link = 0;	// link to the empty sound.
+			sfx.link = NO_SOUND;	// link to the empty sound.
 		}
 	}
 }
@@ -440,7 +440,7 @@ static FSoundID S_AddSound (const char *logicalname, int lumpnum, FScanner *sc)
 		{
 			FRandomSoundList* rnd = soundEngine->ResolveRandomSound(sfx);
 			rnd->Choices.Reset();
-			rnd->Owner = 0;
+			rnd->Owner = NO_SOUND;
 		}
 		sfx->lumpnum = lumpnum;
 		sfx->bRandomHeader = false;
@@ -668,7 +668,7 @@ static void S_AddSNDINFO (int lump)
 				ambient->periodmax = 0;
 				ambient->volume = 0;
 				ambient->attenuation = 0;
-				ambient->sound = 0;
+				ambient->sound = NO_SOUND;
 
 				sc.MustGetString ();
 				ambient->sound = FSoundID(soundEngine->FindSoundTentative(sc.String));

src/sound/s_sndseq.cpp

@@ -581,7 +581,7 @@ void S_ParseSndSeq (int levellump)
 	S_ClearSndSeq();
 
 	// be gone, compiler warnings
-	stopsound = 0;
+	stopsound = NO_SOUND;
 
 	memset (SeqTrans, -1, sizeof(SeqTrans));
 	lastlump = 0;
@@ -618,7 +618,7 @@ void S_ParseSndSeq (int levellump)
 					Sequences.Push (NULL);
 				}
 				ScriptTemp.Clear();
-				stopsound = 0;
+				stopsound = NO_SOUND;
 				slot = NAME_None;
 				if (seqtype == '[')
 				{
@@ -828,7 +828,7 @@ void DSeqNode::ActivateSequence (int sequence)
 	m_Sequence = sequence;
 	m_DelayTics = 0;
 	m_StopSound = Sequences[sequence]->StopSound;
-	m_CurrentSoundID = 0;
+	m_CurrentSoundID = NO_SOUND;
 	m_Volume = 1;			// Start at max volume...
 	m_Atten = ATTN_IDLE;	// ...and idle attenuation
 }
@@ -1214,7 +1214,7 @@ void DSeqNode::Tick ()
 			if (!IsPlaying())
 			{
 				m_SequencePtr++;
-				m_CurrentSoundID = 0;
+				m_CurrentSoundID = NO_SOUND;
 			}
 			else
 			{
@@ -1273,13 +1273,13 @@ void DSeqNode::Tick ()
 		case SS_CMD_DELAY:
 			m_DelayTics = GetData(*m_SequencePtr);
 			m_SequencePtr++;
-			m_CurrentSoundID = 0;
+			m_CurrentSoundID = NO_SOUND;
 			return;
 
 		case SS_CMD_DELAYRAND:
 			m_DelayTics = GetData(m_SequencePtr[0]) + pr_sndseq(m_SequencePtr[1]);
 			m_SequencePtr += 2;
-			m_CurrentSoundID = 0;
+			m_CurrentSoundID = NO_SOUND;
 			return;
 
 		case SS_CMD_VOLUME:
@@ -1383,7 +1383,7 @@ void SN_StopAllSequences (FLevelLocals *Level)
 	for (node = Level->SequenceListHead; node; )
 	{
 		DSeqNode *next = node->NextSequence();
-		node->m_StopSound = 0; // don't play any stop sounds
+		node->m_StopSound = NO_SOUND; // don't play any stop sounds
 		node->Destroy ();
 		node = next;
 	}