From 58ff94c2f3b1cce57b02418a5262f9fe5a424563 Mon Sep 17 00:00:00 2001
From: Night Owl <sepulkarium45@yahoo.com>
Date: Fri, 22 Dec 2017 12:13:11 +0500
Subject: [PATCH] Fix trigger_mp3audio.

---
 cl_dll/hud.cpp    | 17 +++++++++++++++++
 dlls/client.cpp   |  7 +++++++
 dlls/player.cpp   |  2 ++
 dlls/triggers.cpp | 42 ++++++++++++++++++++++++++++--------------
 4 files changed, 54 insertions(+), 14 deletions(-)

diff --git a/cl_dll/hud.cpp b/cl_dll/hud.cpp
index dfc1ae12..7a7069c8 100644
--- a/cl_dll/hud.cpp
+++ b/cl_dll/hud.cpp
@@ -100,6 +100,20 @@ void __CmdFunc_ToggleServerBrowser( void )
 {
 }
 
+int __MsgFunc_PlayMP3( const char *pszName, int iSize, void *pbuf )
+{
+	BEGIN_READ( pbuf, iSize );
+
+	gEngfuncs.pfnPrimeMusicStream( READ_STRING(), 0 );
+
+	return 1;
+}
+
+void __CmdFunc_StopMP3( void )
+{
+	gEngfuncs.pfnPrimeMusicStream( 0, 0 );
+}
+
 // TFFree Command Menu Message Handlers
 int __MsgFunc_ValClass( const char *pszName, int iSize, void *pbuf )
 {
@@ -183,6 +197,9 @@ void CHud::Init( void )
 	// VGUI Menus
 	HOOK_MESSAGE( VGUIMenu );
 
+	HOOK_MESSAGE( PlayMP3 );
+	HOOK_COMMAND( "stopaudio", StopMP3 );
+
 	CVAR_CREATE( "hud_classautokill", "1", FCVAR_ARCHIVE | FCVAR_USERINFO );		// controls whether or not to suicide immediately on TF class switch
 	CVAR_CREATE( "hud_takesshots", "0", FCVAR_ARCHIVE );		// controls whether or not to automatically take screenshots at the end of a round
 	hud_textmode = CVAR_CREATE ( "hud_textmode", "0", FCVAR_ARCHIVE );
diff --git a/dlls/client.cpp b/dlls/client.cpp
index bd2146c3..e0dc96d3 100644
--- a/dlls/client.cpp
+++ b/dlls/client.cpp
@@ -49,6 +49,7 @@ extern void CopyToBodyQue( entvars_t* pev );
 extern int giPrecacheGrunt;
 extern int gmsgSayText;
 extern int gmsgBhopcap;
+extern int gmsgPlayMP3;
 
 extern cvar_t allow_spectators;
 
@@ -487,6 +488,12 @@ void ClientCommand( edict_t *pEntity )
 	{
 		GetClassPtr( (CBasePlayer *)pev )->ForceClientDllUpdate(); 
 	}
+	else if( FStrEq(pcmd, "playaudio" ) )
+	{
+		MESSAGE_BEGIN( MSG_ONE, gmsgPlayMP3, NULL, ENT( pev ) );
+			WRITE_STRING( (char *)CMD_ARGV( 1 ) );
+		MESSAGE_END();
+	}
 	else if( FStrEq(pcmd, "give" ) )
 	{
 		if( g_flWeaponCheat != 0.0 )
diff --git a/dlls/player.cpp b/dlls/player.cpp
index 8996b687..f24a89c2 100644
--- a/dlls/player.cpp
+++ b/dlls/player.cpp
@@ -189,6 +189,7 @@ int gmsgStatusText = 0;
 int gmsgStatusValue = 0;
 
 int gmsgNightvision = 0;
+int gmsgPlayMP3 = 0;
 
 void LinkUserMessages( void )
 {
@@ -238,6 +239,7 @@ void LinkUserMessages( void )
 	gmsgStatusValue = REG_USER_MSG( "StatusValue", 3 );
 
 	gmsgNightvision = REG_USER_MSG( "Nightvision", 1 );
+	gmsgPlayMP3 = REG_USER_MSG( "PlayMP3", -1 );
 }
 
 LINK_ENTITY_TO_CLASS( player, CBasePlayer )
diff --git a/dlls/triggers.cpp b/dlls/triggers.cpp
index 3c63d682..577f1b16 100644
--- a/dlls/triggers.cpp
+++ b/dlls/triggers.cpp
@@ -2385,11 +2385,12 @@ void CTriggerCamera::Move()
 //
 // Adapted from TWHL - Using mp3s in Steam
 //
+#define SF_REMOVE_ON_FIRE		1
 class CTargetMP3Audio : public CBaseTrigger
 {
 public:
-	virtual int Save( CSave &save );
-	virtual int Restore( CRestore &restore );
+	int Save( CSave &save );
+	int Restore( CRestore &restore );
 	static TYPEDESCRIPTION m_SaveData[];
 
 	void Spawn( void );
@@ -2397,15 +2398,16 @@ public:
 
 	void Touch( CBaseEntity *pOther );
 
-	int m_iszTrack;
-	BOOL m_bTriggered;
+	string_t m_iszTrack;
+	BOOL m_bPlaying;
 };
 
 LINK_ENTITY_TO_CLASS( trigger_mp3audio, CTargetMP3Audio );
 
 TYPEDESCRIPTION	CTargetMP3Audio::m_SaveData[] =
 {
-	DEFINE_FIELD( CTargetMP3Audio, m_bTriggered, FIELD_BOOLEAN ),
+	DEFINE_FIELD( CTargetMP3Audio, m_iszTrack, FIELD_STRING ),
+	DEFINE_FIELD( CTargetMP3Audio, m_bPlaying, FIELD_BOOLEAN ),
 };
 
 IMPLEMENT_SAVERESTORE( CTargetMP3Audio, CBaseTrigger );
@@ -2414,7 +2416,10 @@ void CTargetMP3Audio::KeyValue( KeyValueData *pkvd )
 {
 	if( FStrEq( pkvd->szKeyName, "track" ) )
 	{
-		m_iszTrack = ALLOC_STRING( pkvd->szValue );
+		if( FStrEq( pkvd->szValue, "hl28.mp3" ) )
+			m_iszTrack = MAKE_STRING( "Suspense07.mp3" );
+		else
+			m_iszTrack = ALLOC_STRING( pkvd->szValue );
 		pkvd->fHandled = TRUE;
 	}
 	else
@@ -2424,22 +2429,31 @@ void CTargetMP3Audio::KeyValue( KeyValueData *pkvd )
 void CTargetMP3Audio::Spawn( void )
 {
 	InitTrigger();
-
-	m_bTriggered = FALSE;
+	m_bPlaying = FALSE; // start out not playing
 }
 
 void CTargetMP3Audio::Touch( CBaseEntity *pOther )
 {
-	if( m_bTriggered )
-		return;
+	char command[64];
 
 	if( !pOther || !pOther->IsPlayer() )
 		return;
 
-	m_bTriggered = TRUE;
-
-	if( FStrEq( STRING( gpGlobals->mapname ), "ops_17th" ) )
+	if( !m_bPlaying ) // if we're not playing, start playing!
 	{
-		CLIENT_COMMAND( pOther->edict(), "play media/Suspense07.mp3\n" );
+		m_bPlaying = TRUE;
+		// issue the play/loop command
+		sprintf( command, "playaudio %s\n", STRING( m_iszTrack ) );
+		CLIENT_COMMAND( pOther->edict(), command );
 	}
+	/*else
+	{
+		// if we're already playing, stop the mp3
+		m_bPlaying = FALSE;
+		CLIENT_COMMAND( pOther->edict(), "stopaudio\n" );
+		return;
+	}*/
+
+	if( pev->spawnflags & SF_REMOVE_ON_FIRE )
+                UTIL_Remove( this );
 }