From da74b9df9510a058a888af999279204e7868a2fd Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Sat, 24 Mar 2018 13:06:37 +0100
Subject: [PATCH] - serialize the temporary music volume that can be set
 through ACS.

---
 src/g_level.cpp            | 14 ++++++++++++++
 src/g_levellocals.h        |  3 +++
 src/p_acs.cpp              |  2 +-
 src/p_conversation.cpp     |  2 +-
 src/p_saveg.cpp            |  5 ++++-
 src/p_setup.cpp            |  1 +
 src/win32/win32gliface.cpp |  2 +-
 7 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/src/g_level.cpp b/src/g_level.cpp
index d6c712b24..cdb08ab67 100644
--- a/src/g_level.cpp
+++ b/src/g_level.cpp
@@ -87,6 +87,7 @@
 #include "vm.h"
 #include "events.h"
 #include "dobjgc.h"
+#include "i_music.h"
 
 #include "gi.h"
 
@@ -600,6 +601,7 @@ void G_ChangeLevel(const char *levelname, int position, int flags, int nextSkill
 
 	startpos = position;
 	gameaction = ga_completed;
+	level.SetMusicVolume(1.0);
 		
 	if (nextinfo != NULL) 
 	{
@@ -1469,6 +1471,7 @@ void G_InitLevelLocals ()
 	level.levelnum = info->levelnum;
 	level.Music = info->Music;
 	level.musicorder = info->musicorder;
+	level.MusicVolume = 1.f;
 
 	level.LevelName = level.info->LookupLevelName();
 	level.NextMap = info->NextMap;
@@ -1960,6 +1963,17 @@ DEFINE_ACTION_FUNCTION(FLevelLocals, SetInterMusic)
 //
 //==========================================================================
 
+void FLevelLocals::SetMusicVolume(float f)
+{
+	MusicVolume = f;
+	I_SetMusicVolume(f);
+}
+
+//==========================================================================
+//
+//
+//==========================================================================
+
 template <typename T>
 inline T VecDiff(const T& v1, const T& v2)
 {
diff --git a/src/g_levellocals.h b/src/g_levellocals.h
index 60cb30df0..868423491 100644
--- a/src/g_levellocals.h
+++ b/src/g_levellocals.h
@@ -46,6 +46,7 @@ struct FLevelLocals
 	void Tick ();
 	void AddScroller (int secnum);
 	void SetInterMusic(const char *nextmap);
+	void SetMusicVolume(float v);
 
 	uint8_t		md5[16];			// for savegame validation. If the MD5 does not match the savegame won't be loaded.
 	int			time;			// time in the hub
@@ -149,6 +150,7 @@ struct FLevelLocals
 	int skyfog;
 
 	float		pixelstretch;
+	float		MusicVolume;
 
 	bool		IsJumpingAllowed() const;
 	bool		IsCrouchingAllowed() const;
@@ -162,6 +164,7 @@ struct FLevelLocals
 	{
 		return headgamenode;
 	}
+
 };
 
 extern FLevelLocals level;
diff --git a/src/p_acs.cpp b/src/p_acs.cpp
index 6f1d1635d..200df28c5 100644
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@@ -6689,7 +6689,7 @@ doplaysound:			if (funcIndex == ACSF_PlayActorSound)
 		break;
 
 		case ACSF_SetMusicVolume:
-			I_SetMusicVolume(ACSToFloat(args[0]));
+			level.SetMusicVolume(ACSToFloat(args[0]));
 			break;
 
 		case ACSF_CheckProximity:
diff --git a/src/p_conversation.cpp b/src/p_conversation.cpp
index 37903021e..401541e24 100644
--- a/src/p_conversation.cpp
+++ b/src/p_conversation.cpp
@@ -1094,7 +1094,7 @@ static void HandleReply(player_t *player, bool isconsole, int nodenum, int reply
 
 	if (isconsole)
 	{
-		I_SetMusicVolume (1.f);
+		I_SetMusicVolume (level.MusicVolume);
 	}
 }
 
diff --git a/src/p_saveg.cpp b/src/p_saveg.cpp
index 6c8d29973..af6daf428 100644
--- a/src/p_saveg.cpp
+++ b/src/p_saveg.cpp
@@ -546,19 +546,22 @@ void P_SerializeSounds(FSerializer &arc)
 	DSeqNode::SerializeSequences (arc);
 	const char *name = NULL;
 	uint8_t order;
+	float musvol = level.MusicVolume;
 
 	if (arc.isWriting())
 	{
 		order = S_GetMusic(&name);
 	}
 	arc.StringPtr("musicname", name)
-		("musicorder", order);
+		("musicorder", order)
+		("musicvolume", musvol);
 
 	if (arc.isReading())
 	{
 		if (!S_ChangeMusic(name, order))
 			if (level.cdtrack == 0 || !S_ChangeCDMusic(level.cdtrack, level.cdid))
 				S_ChangeMusic(level.Music, level.musicorder);
+		level.SetMusicVolume(musvol);
 	}
 }
 
diff --git a/src/p_setup.cpp b/src/p_setup.cpp
index dbc3d31d2..4a74800c3 100644
--- a/src/p_setup.cpp
+++ b/src/p_setup.cpp
@@ -3651,6 +3651,7 @@ void P_SetupLevel (const char *lumpname, int position)
 
 	if (!savegamerestore)
 	{
+		level.SetMusicVolume(level.MusicVolume);
 		for (i = 0; i < MAXPLAYERS; ++i)
 		{
 			players[i].killcount = players[i].secretcount 
diff --git a/src/win32/win32gliface.cpp b/src/win32/win32gliface.cpp
index d5df5d8df..3726050e0 100644
--- a/src/win32/win32gliface.cpp
+++ b/src/win32/win32gliface.cpp
@@ -886,7 +886,7 @@ bool Win32GLVideo::InitHardware (HWND Window, int multisample)
 		{
 			// let's try to get the best version possible. Some drivers only give us the version we request
 			// which breaks all version checks for feature support. The highest used features we use are from version 4.4, and 3.0 is a requirement.
-			static int versions[] = { 45, 44, 43, 42, 41, 40, 33, 32, 31, 30, -1 };
+			static int versions[] = { 46, 45, 44, 43, 42, 41, 40, 33, 32, 31, 30, -1 };
 
 			for (int i = 0; versions[i] > 0; i++)
 			{