From 3711f71bdc082e993167259c6dee6bf0eaddd824 Mon Sep 17 00:00:00 2001
From: Spoike <acceptthis@users.sourceforge.net>
Date: Tue, 13 May 2014 23:21:20 +0000
Subject: [PATCH] add getsoundtime builtin to csqc. needs testing.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4655 fc73d0e0-1445-4013-8a0c-d673dee63da5
---
 engine/client/pr_csqc.c |  8 ++++++++
 engine/client/snd_dma.c | 24 ++++++++++++++++++++++++
 engine/client/sound.h   |  3 ++-
 engine/server/pr_cmds.c |  4 ++--
 4 files changed, 36 insertions(+), 3 deletions(-)

diff --git a/engine/client/pr_csqc.c b/engine/client/pr_csqc.c
index 4a13ea1b8..b95819c2d 100644
--- a/engine/client/pr_csqc.c
+++ b/engine/client/pr_csqc.c
@@ -2833,6 +2833,13 @@ static void QCBUILTIN PF_checkextension (pubprogfuncs_t *prinst, struct globalva
 	G_FLOAT(OFS_RETURN) = false;
 }
 
+void QCBUILTIN PF_getsoundtime (pubprogfuncs_t *prinst, struct globalvars_s *pr_globals)
+{
+	wedict_t	*entity	= G_WEDICT(prinst, OFS_PARM0);
+	int			channel	= G_FLOAT(OFS_PARM1);
+
+	G_FLOAT(OFS_RETURN) = S_GetSoundTime(entity, channel);
+}
 static void QCBUILTIN PF_cs_sound(pubprogfuncs_t *prinst, struct globalvars_s *pr_globals)
 {
 	const char		*sample;
@@ -4842,6 +4849,7 @@ static struct {
 	{"loadfromdata",			PF_loadfromdata,			529},
 	{"loadfromfile",			PF_loadfromfile,			530},
 
+	{"getsoundtime",			PF_getsoundtime,			533},
 	{"soundlength",				PF_soundlength,				534},
 	{"buf_loadfile",			PF_buf_loadfile,			535},
 	{"buf_writefile",			PF_buf_writefile,			536},
diff --git a/engine/client/snd_dma.c b/engine/client/snd_dma.c
index be91a80a0..b7356bf5d 100644
--- a/engine/client/snd_dma.c
+++ b/engine/client/snd_dma.c
@@ -2339,6 +2339,30 @@ void S_StartSound(int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float f
 	S_UnlockMixer();
 }
 
+float S_GetSoundTime(int entnum, int entchannel)
+{
+	int i;
+	float result = -1;	//if we didn't find one
+	soundcardinfo_t *sc;
+	S_LockMixer();
+	for (sc = sndcardinfo; sc && result == -1; sc = sc->next)
+	{
+		for (i = 0; i < sc->total_chans; i++)
+		{
+			if (sc->channel[i].entnum == entnum && sc->channel[i].entchannel == entchannel && sc->channel[i].sfx)
+			{
+				result = (sc->channel[i].pos>>PITCHSHIFT) / (float)snd_speed;	//the time into the sound, ignoring play rate.
+				break;
+			}
+		}
+		//we found one on this sound device card, ignore others.
+		if (result != -1)
+			break;
+	}
+	S_UnlockMixer();
+	return result;
+}
+
 qboolean S_IsPlayingSomewhere(sfx_t *s)
 {
 	soundcardinfo_t *si;
diff --git a/engine/client/sound.h b/engine/client/sound.h
index 5a81b8d51..c40d5bb8c 100644
--- a/engine/client/sound.h
+++ b/engine/client/sound.h
@@ -94,7 +94,7 @@ typedef struct
 	int		flags;			// cf_ flags
 	int		looping;		// where to loop, -1 = no looping
 	int		entnum;			// to allow overriding a specific sound
-	int		entchannel;		//int audio_fd
+	int		entchannel;		// to avoid overriding a specific sound too easily
 	vec3_t	origin;			// origin of sound effect
 	vec_t	dist_mult;		// distance multiplier (attenuation/clipK)
 	int		master_vol;		// 0-255 master volume
@@ -116,6 +116,7 @@ typedef struct soundcardinfo_s soundcardinfo_t;
 void S_Init (void);
 void S_Startup (void);
 void S_Shutdown (qboolean final);
+float S_GetSoundTime(int entnum, int entchannel);
 void S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation, float timeofs, float pitchadj);
 void S_StaticSound (sfx_t *sfx, vec3_t origin, float vol, float attenuation);
 void S_StopSound (int entnum, int entchannel);
diff --git a/engine/server/pr_cmds.c b/engine/server/pr_cmds.c
index 94707448e..21d54d520 100644
--- a/engine/server/pr_cmds.c
+++ b/engine/server/pr_cmds.c
@@ -9687,8 +9687,8 @@ BuiltinList_t BuiltinList[] = {				//nq	qw		h2		ebfs
 	//end mvdsv extras
 	//restart dp extras
 //	{"log",				PF_Fixme,			0,		0,		0,		532,	"float(string mname)", true},
-//	{"getsoundtime",	VM_getsoundtime,	0,		0,		0,		533,	"float(entity e, float channel)" STUB},
-	{"soundlength",		PF_Ignore,			0,		0,		0,		534,	"float(string sample)" STUB},
+	{"getsoundtime",	PF_Ignore,			0,		0,		0,		533,	"float(entity e, float channel)"},
+	{"soundlength",		PF_Ignore,			0,		0,		0,		534,	"float(string sample)"},
 	{"buf_loadfile",	PF_buf_loadfile,	0,		0,		0,		535,	"float(string filename, float bufhandle)"},
 	{"buf_writefile",	PF_buf_writefile,	0,		0,		0,		536,	"float(float filehandle, float bufhandle, optional float startpos, optional float numstrings)"},
 //	{"bufstr_find",		PF_Fixme,			0,		0,		0,		537,	"float(float bufhandle, string match, float matchrule, float startpos)"},