- Blood: add a dummy sound entry at index 0.

Parts of the sound system treat entry 0 as "no sound" so nothing placed there would play.
This made the one custom sound in "The Way of Ira" not play because as the last sound being defined it ended up in the first, invalid slot.

source/core/raze_sound.cpp

@@ -297,3 +297,18 @@ CCMD(playsoundid)
 		}
 	}
 }
+
+//==========================================================================
+//
+// CCMD listsounds
+//
+//==========================================================================
+
+CCMD(listsounds)
+{
+	auto& S_sfx = soundEngine->GetSounds();
+	for (unsigned i = 0; i < S_sfx.Size(); i++)
+	{
+		Printf("%4d: name = %s, resId = %d, lumpnum = %d\n", i, S_sfx[i].name.GetChars(), S_sfx[i].ResourceId, S_sfx[i].lumpnum);
+	}
+}

source/games/blood/src/sfx.cpp

@@ -58,15 +58,6 @@ public:
 
 };
 
-void sfxInit(void)
-{
-    soundEngine = new BloodSoundEngine;
-}
-
-void sfxTerm()
-{
-}
-
 //==========================================================================
 //
 //

source/games/blood/src/sound.cpp

@@ -106,7 +106,8 @@ static void S_AddBloodSFX(int lumpnum)
 
 void sndInit(void)
 {
-    sfxInit();
+    soundEngine = new BloodSoundEngine;
+    soundEngine->AddSoundLump("", 0, 0, -1, 6); // add a dummy entry at index #0
     for (int i = fileSystem.GetNumEntries() - 1; i >= 0; i--)
     {
         auto type = fileSystem.GetResourceType(i);
@@ -117,6 +118,7 @@ void sndInit(void)
         }
         else if (!stricmp(type, "WAV") || !stricmp(type, "OGG") || !stricmp(type, "FLAC") || !stricmp(type, "VOC"))
         {
+            if (fileSystem.GetFileNamespace(i) != ns_music)
                 soundEngine->AddSoundLump(fileSystem.GetFileFullName(i), i, 0, fileSystem.GetResourceId(i)| 0x40000000, 6); // mark the resource ID as special.
         }
     }

source/games/blood/src/sound.h

@@ -50,8 +50,6 @@ void sndProcess(void);
 void sndTerm(void);
 void sndInit(void);
 
-void sfxInit(void);
-void sfxTerm(void);
 void sfxPlay3DSound(int x, int y, int z, int soundId, int nSector);
 void sfxPlay3DSound(spritetype *pSprite, int soundId, int a3 = -1, int a4 = 0);
 void sfxPlay3DSoundCP(spritetype* pSprite, int soundId, int a3 = -1, int a4 = 0, int pitch = 0, int volume = 0);