From 6ebcafd7003cce44d1edd1115e737f1aa826ba1c Mon Sep 17 00:00:00 2001
From: Simon Howard
Date: Thu, 25 Sep 2008 18:14:46 +0000
Subject: Add option to low-level sound API to disable the DS prefix for sound
 effects, for Heretic. Fix sound links.

Subversion-branch: /branches/raven-branch
Subversion-revision: 1281
---
 src/doom/s_sound.c    |  2 +-
 src/heretic/s_sound.c |  2 +-
 src/i_pcsound.c       | 16 +++++++++++++---
 src/i_sdlsound.c      | 34 +++++++++++++++++++++++++++++-----
 src/i_sound.c         |  8 ++++----
 src/i_sound.h         |  4 ++--
 6 files changed, 50 insertions(+), 16 deletions(-)

diff --git a/src/doom/s_sound.c b/src/doom/s_sound.c
index 19d76a6b..f829956c 100644
--- a/src/doom/s_sound.c
+++ b/src/doom/s_sound.c
@@ -122,7 +122,7 @@ void S_Init(int sfxVolume, int musicVolume)
 {  
     int i;
 
-    I_InitSound();
+    I_InitSound(true);
     I_InitMusic();
 
     I_PrecacheSounds(S_sfx, NUMSFX);
diff --git a/src/heretic/s_sound.c b/src/heretic/s_sound.c
index a67a56c8..86483402 100644
--- a/src/heretic/s_sound.c
+++ b/src/heretic/s_sound.c
@@ -493,7 +493,7 @@ void S_UpdateSounds(mobj_t * listener)
 void S_Init(void)
 {
     soundCurve = Z_Malloc(MAX_SND_DIST, PU_STATIC, NULL);
-    I_InitSound();
+    I_InitSound(false);
     if (snd_Channels > 8)
     {
         snd_Channels = 8;
diff --git a/src/i_pcsound.c b/src/i_pcsound.c
index 7ea545c4..7f8e8996 100644
--- a/src/i_pcsound.c
+++ b/src/i_pcsound.c
@@ -38,6 +38,7 @@
 static boolean pcs_initialised = false;
 
 static SDL_mutex *sound_lock;
+static boolean use_sfx_prefix;
 
 static uint8_t *current_sound_lump = NULL;
 static uint8_t *current_sound_pos = NULL;
@@ -241,8 +242,15 @@ static int I_PCS_GetSfxLumpNum(sfxinfo_t* sfx)
 {
     char namebuf[9];
 
-    sprintf(namebuf, "dp%s", DEH_String(sfx->name));
-    
+    if (use_sfx_prefix)
+    {
+        sprintf(namebuf, "dp%s", DEH_String(sfx->name));
+    }
+    else
+    {
+        strcpy(namebuf, DEH_String(sfx->name));
+    }
+
     return W_GetNumForName(namebuf);
 }
 
@@ -262,8 +270,10 @@ static boolean I_PCS_SoundIsPlaying(int handle)
     return current_sound_lump != NULL && current_sound_remaining > 0;
 }
 
-static boolean I_PCS_InitSound(void)
+static boolean I_PCS_InitSound(boolean _use_sfx_prefix)
 {
+    use_sfx_prefix = _use_sfx_prefix;
+
     // Use the sample rate from the configuration file
 
     PCSound_SetSampleRate(snd_samplerate);
diff --git a/src/i_sdlsound.c b/src/i_sdlsound.c
index 242fcb1c..1586ef18 100644
--- a/src/i_sdlsound.c
+++ b/src/i_sdlsound.c
@@ -57,6 +57,7 @@ static sfxinfo_t *channels_playing[NUM_CHANNELS];
 static int mixer_freq;
 static Uint16 mixer_format;
 static int mixer_channels;
+static boolean use_sfx_prefix;
 static void (*ExpandSoundData)(sfxinfo_t *sfxinfo,
                                byte *data,
                                int samplerate,
@@ -462,7 +463,7 @@ static void I_SDL_PrecacheSounds(sfxinfo_t *sounds, int num_sounds)
             fflush(stdout);
         }
 
-        sprintf(namebuf, "ds%s", DEH_String(sounds[i].name));
+        GetSfxLumpName(&sounds[i], namebuf);
 
         sounds[i].lumpnum = W_CheckNumForName(namebuf);
 
@@ -512,18 +513,39 @@ static boolean LockSound(sfxinfo_t *sfxinfo)
     return true;
 }
 
+static void GetSfxLumpName(sfxinfo_t *sfx, char *buf)
+{
+    // Linked sfx lumps? Get the lump number for the sound linked to.
+
+    if (sfx->link != NULL)
+    {
+        sfx = sfx->link;
+    }
+
+    // Doom adds a DS* prefix to sound lumps; Heretic and Hexen don't
+    // do this.
+
+    if (use_sfx_prefix)
+    {
+        sprintf(buf, "ds%s", DEH_String(sfx->name));
+    }
+    else
+    {
+        strcpy(buf, DEH_String(sfx->name));
+    }
+}
 
 //
 // Retrieve the raw data lump index
 //  for a given SFX name.
 //
 
-static int I_SDL_GetSfxLumpNum(sfxinfo_t* sfx)
+static int I_SDL_GetSfxLumpNum(sfxinfo_t *sfx)
 {
     char namebuf[9];
 
-    sprintf(namebuf, "ds%s", DEH_String(sfx->name));
-    
+    GetSfxLumpName(sfx, namebuf);
+
     return W_GetNumForName(namebuf);
 }
 
@@ -654,10 +676,12 @@ static void I_SDL_ShutdownSound(void)
 }
 
 
-static boolean I_SDL_InitSound(void)
+static boolean I_SDL_InitSound(boolean _use_sfx_prefix)
 { 
     int i;
     
+    use_sfx_prefix = _use_sfx_prefix;
+
     // No sounds yet
 
     for (i=0; i<NUM_CHANNELS; ++i)
diff --git a/src/i_sound.c b/src/i_sound.c
index e6910ea7..2a29ccff 100644
--- a/src/i_sound.c
+++ b/src/i_sound.c
@@ -112,7 +112,7 @@ static boolean SndDeviceInList(snddevice_t device, snddevice_t *list,
 // Find and initialise a sound_module_t appropriate for the setting
 // in snd_sfxdevice.
 
-static void InitSfxModule(void)
+static void InitSfxModule(boolean use_sfx_prefix)
 {
     int i;
 
@@ -129,7 +129,7 @@ static void InitSfxModule(void)
         {
             // Initialise the module
 
-            if (sound_modules[i]->Init())
+            if (sound_modules[i]->Init(use_sfx_prefix))
             {
                 sound_module = sound_modules[i];
                 return;
@@ -172,7 +172,7 @@ static void InitMusicModule(void)
 //  allocates channel buffer, sets S_sfx lookup.
 //
 
-void I_InitSound(void)
+void I_InitSound(boolean use_sfx_prefix)
 {  
     boolean nosound, nosfx, nomusic;
 
@@ -206,7 +206,7 @@ void I_InitSound(void)
     {
         if (!nosfx)
         {
-            InitSfxModule();
+            InitSfxModule(use_sfx_prefix);
         }
 
         if (!nomusic)
diff --git a/src/i_sound.h b/src/i_sound.h
index 6737e8cb..a8562ae1 100644
--- a/src/i_sound.h
+++ b/src/i_sound.h
@@ -114,7 +114,7 @@ typedef struct
     // Initialise sound module
     // Returns true if successfully initialised
 
-    boolean (*Init)(void);
+    boolean (*Init)(boolean use_sfx_prefix);
 
     // Shutdown sound module
 
@@ -151,7 +151,7 @@ typedef struct
 
 } sound_module_t;
 
-void I_InitSound(void);
+void I_InitSound(boolean use_sfx_prefix);
 void I_ShutdownSound(void);
 int I_GetSfxLumpNum(sfxinfo_t *sfxinfo);
 void I_UpdateSound(void);
-- 
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