From a39807eb9aee0d97403fbf4a12843896e1c47e4c Mon Sep 17 00:00:00 2001
From: Rachael Alexanderson <eruanna@drdteam.org>
Date: Sun, 23 Oct 2016 06:06:59 -0400
Subject: [PATCH] - Implemented sv_singleplayerrespawn

---
 src/g_game.cpp  | 3 ++-
 src/g_level.cpp | 4 +++-
 src/p_mobj.cpp  | 5 +++--
 src/p_user.cpp  | 5 ++++-
 4 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/g_game.cpp b/src/g_game.cpp
index 48bda24f5f..b0c8775fc5 100644
--- a/src/g_game.cpp
+++ b/src/g_game.cpp
@@ -1655,9 +1655,10 @@ static void G_QueueBody (AActor *body)
 //
 // G_DoReborn
 //
+EXTERN_CVAR(Bool, sv_singleplayerrespawn)
 void G_DoReborn (int playernum, bool freshbot)
 {
-	if (!multiplayer && !(level.flags2 & LEVEL2_ALLOWRESPAWN))
+	if (!multiplayer && !(level.flags2 & LEVEL2_ALLOWRESPAWN) && !sv_singleplayerrespawn)
 	{
 		if (BackupSaveName.Len() > 0 && FileExists (BackupSaveName.GetChars()))
 		{ // Load game from the last point it was saved
diff --git a/src/g_level.cpp b/src/g_level.cpp
index 119cde378d..d3a8c4015a 100644
--- a/src/g_level.cpp
+++ b/src/g_level.cpp
@@ -526,6 +526,8 @@ static bool		unloading;
 //
 //==========================================================================
 
+EXTERN_CVAR(Bool, sv_singleplayerrespawn)
+
 void G_ChangeLevel(const char *levelname, int position, int flags, int nextSkill)
 {
 	level_info_t *nextinfo = NULL;
@@ -634,7 +636,7 @@ void G_ChangeLevel(const char *levelname, int position, int flags, int nextSkill
 
 			// If this is co-op, respawn any dead players now so they can
 			// keep their inventory on the next map.
-			if ((multiplayer || level.flags2 & LEVEL2_ALLOWRESPAWN) && !deathmatch && player->playerstate == PST_DEAD)
+			if ((multiplayer || level.flags2 & LEVEL2_ALLOWRESPAWN || sv_singleplayerrespawn) && !deathmatch && player->playerstate == PST_DEAD)
 			{
 				// Copied from the end of P_DeathThink [[
 				player->cls = NULL;		// Force a new class if the player is using a random class
diff --git a/src/p_mobj.cpp b/src/p_mobj.cpp
index 8f926ea77f..3e20118784 100644
--- a/src/p_mobj.cpp
+++ b/src/p_mobj.cpp
@@ -1,4 +1,4 @@
-// Emacs style mode select	 -*- C++ -*- 
+// Emacs style mode select	 -*- C++ -*- 
 //-----------------------------------------------------------------------------
 //
 // $Id:$
@@ -4495,6 +4495,7 @@ void AActor::AdjustFloorClip ()
 // Most of the player structure stays unchanged between levels.
 //
 EXTERN_CVAR (Bool, chasedemo)
+EXTERN_CVAR(Bool, sv_singleplayerrespawn)
 
 extern bool demonew;
 
@@ -4682,7 +4683,7 @@ APlayerPawn *P_SpawnPlayer (FPlayerStart *mthing, int playernum, int flags)
 	{ // Give all cards in death match mode.
 		p->mo->GiveDeathmatchInventory ();
 	}
-	else if ((multiplayer || (level.flags2 & LEVEL2_ALLOWRESPAWN)) && state == PST_REBORN && oldactor != NULL)
+	else if ((multiplayer || (level.flags2 & LEVEL2_ALLOWRESPAWN) || sv_singleplayerrespawn) && state == PST_REBORN && oldactor != NULL)
 	{ // Special inventory handling for respawning in coop
 		p->mo->FilterCoopRespawnInventory (oldactor);
 	}
diff --git a/src/p_user.cpp b/src/p_user.cpp
index e487120429..6ac39c2a5c 100644
--- a/src/p_user.cpp
+++ b/src/p_user.cpp
@@ -68,6 +68,7 @@ static FRandom pr_skullpop ("SkullPop");
 // Variables for prediction
 CVAR (Bool, cl_noprediction, false, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
 CVAR(Bool, cl_predict_specials, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
+CVAR(Bool, sv_singleplayerrespawn, false, CVAR_SERVERINFO | CVAR_LATCH)
 
 CUSTOM_CVAR(Float, cl_predict_lerpscale, 0.05f, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
 {
@@ -2211,7 +2212,9 @@ void P_DeathThink (player_t *player)
 		if (level.time >= player->respawn_time || ((player->cmd.ucmd.buttons & BT_USE) && player->Bot == NULL))
 		{
 			player->cls = NULL;		// Force a new class if the player is using a random class
-			player->playerstate = (multiplayer || (level.flags2 & LEVEL2_ALLOWRESPAWN)) ? PST_REBORN : PST_ENTER;
+			player->playerstate = 
+				(multiplayer || (level.flags2 & LEVEL2_ALLOWRESPAWN) || sv_singleplayerrespawn)
+				? PST_REBORN : PST_ENTER;
 			if (player->mo->special1 > 2)
 			{
 				player->mo->special1 = 0;