Remove disconnecting players safely

Players who were disconnecting would be removed outside of the playsims
control, causing problems with sector lists.

src/d_net.cpp

@@ -39,7 +39,6 @@
 #include "cmdlib.h"
 #include "s_sound.h"
 #include "m_cheat.h"
-#include "p_effect.h"
 #include "p_local.h"
 #include "c_dispatch.h"
 #include "sbar.h"
@@ -670,6 +669,9 @@ void PlayerIsGone (int netnode, int netconsole)
 {
 	int i;
 
+	if (!nodeingame[netnode])
+		return;
+
 	for (i = netnode + 1; i < doomcom.numnodes; ++i)
 	{
 		if (nodeingame[i])
@@ -680,55 +682,17 @@ void PlayerIsGone (int netnode, int netconsole)
 		doomcom.numnodes = netnode;
 	}
 
-	nodeingame[netnode] = false;
-	playeringame[netconsole] = false;
-	nodejustleft[netnode] = false;
-
-	if (deathmatch)
+	if (playeringame[netconsole])
 	{
-		Printf ("%s left the game with %d frags\n",
-			players[netconsole].userinfo.GetName(),
-			players[netconsole].fragcount);
-	}
-	else
-	{
-		Printf ("%s left the game\n", players[netconsole].userinfo.GetName());
-	}
-
-	// [RH] Revert each player to their own view if spying through the player who left
-	for (int ii = 0; ii < MAXPLAYERS; ++ii)
-	{
-		if (playeringame[ii] && players[ii].camera == players[netconsole].mo)
-		{
-			players[ii].camera = players[ii].mo;
-			if (ii == consoleplayer && StatusBar != NULL)
-			{
-				StatusBar->AttachToPlayer (&players[ii]);
-			}
-		}
+		players[netconsole].playerstate = PST_GONE;
 	}
+	nodeingame[netnode] = false;
+	nodejustleft[netnode] = false;
 
-	// [RH] Make the player disappear
-	FBehavior::StaticStopMyScripts (players[netconsole].mo);
-	if (players[netconsole].mo != NULL)
-	{
-		P_DisconnectEffect (players[netconsole].mo);
-		players[netconsole].mo->player = NULL;
-		players[netconsole].mo->Destroy ();
-		if (!(players[netconsole].mo->ObjectFlags & OF_EuthanizeMe))
-		{ // We just destroyed a morphed player, so now the original player
-		  // has taken their place. Destroy that one too.
-			players[netconsole].mo->Destroy();
-		}
-		players[netconsole].mo = NULL;
-		players[netconsole].camera = NULL;
-	}
-	// [RH] Let the scripts know the player left
-	FBehavior::StaticStartTypedScripts (SCRIPT_Disconnect, NULL, true, netconsole);
 	if (netconsole == Net_Arbitrator)
 	{
-		bglobal.RemoveAllBots (true);
-		Printf ("Removed all bots\n");
+		bglobal.RemoveAllBots(true);
+		Printf("Removed all bots\n");
 
 		// Pick a new network arbitrator
 		for (int i = 0; i < MAXPLAYERS; i++)
@@ -737,20 +701,21 @@ void PlayerIsGone (int netnode, int netconsole)
 			{
 				Net_Arbitrator = i;
 				players[i].settings_controller = true;
-				Printf ("%s is the new arbitrator\n", players[i].userinfo.GetName());
+				Printf("%s is the new arbitrator\n", players[i].userinfo.GetName());
 				break;
 			}
 		}
-		if (debugfile && NetMode == NET_PacketServer)
+	}
+
+	if (debugfile && NetMode == NET_PacketServer)
+	{
+		if (Net_Arbitrator == consoleplayer)
+		{
+			fprintf(debugfile, "I am the new master!\n");
+		}
+		else
 		{
-			if (Net_Arbitrator == consoleplayer)
-			{
-				fprintf (debugfile, "I am the new master!\n");
-			}
-			else
-			{
-				fprintf (debugfile, "Node %d is the new master!\n", nodeforplayer[Net_Arbitrator]);
-			}
+			fprintf(debugfile, "Node %d is the new master!\n", nodeforplayer[Net_Arbitrator]);
 		}
 	}
 

src/d_player.h

@@ -176,7 +176,8 @@ typedef enum
 	PST_LIVE,	// Playing or camping.
 	PST_DEAD,	// Dead on the ground, view follows killer.
 	PST_REBORN,	// Ready to restart/respawn???
-	PST_ENTER	// [BC] Entered the game
+	PST_ENTER,	// [BC] Entered the game
+	PST_GONE	// Player has left the game
 } playerstate_t;
 
 

src/g_game.cpp

@@ -76,6 +76,7 @@
 #include "d_net.h"
 #include "d_event.h"
 #include "p_acs.h"
+#include "p_effect.h"
 #include "m_joy.h"
 #include "farchive.h"
 #include "r_renderer.h"
@@ -1013,10 +1014,16 @@ void G_Ticker ()
 	// do player reborns if needed
 	for (i = 0; i < MAXPLAYERS; i++)
 	{
-		if (playeringame[i] &&
-			(players[i].playerstate == PST_REBORN || players[i].playerstate == PST_ENTER))
+		if (playeringame[i])
 		{
-			G_DoReborn (i, false);
+			if ((players[i].playerstate == PST_GONE))
+			{
+				G_DoPlayerPop(i);
+			}
+			if ((players[i].playerstate == PST_REBORN || players[i].playerstate == PST_ENTER))
+			{
+				G_DoReborn(i, false);
+			}
 		}
 	}
 
@@ -1658,6 +1665,56 @@ void G_DoReborn (int playernum, bool freshbot)
 	}
 }
 
+//
+// G_DoReborn
+//
+void G_DoPlayerPop(int playernum)
+{
+	playeringame[playernum] = false;
+
+	if (deathmatch)
+	{
+		Printf("%s left the game with %d frags\n",
+			players[playernum].userinfo.GetName(),
+			players[playernum].fragcount);
+	}
+	else
+	{
+		Printf("%s left the game\n", players[playernum].userinfo.GetName());
+	}
+
+	// [RH] Revert each player to their own view if spying through the player who left
+	for (int ii = 0; ii < MAXPLAYERS; ++ii)
+	{
+		if (playeringame[ii] && players[ii].camera == players[playernum].mo)
+		{
+			players[ii].camera = players[ii].mo;
+			if (ii == consoleplayer && StatusBar != NULL)
+			{
+				StatusBar->AttachToPlayer(&players[ii]);
+			}
+		}
+	}
+
+	// [RH] Make the player disappear
+	FBehavior::StaticStopMyScripts(players[playernum].mo);
+	if (players[playernum].mo != NULL)
+	{
+		P_DisconnectEffect(players[playernum].mo);
+		players[playernum].mo->player = NULL;
+		players[playernum].mo->Destroy();
+		if (!(players[playernum].mo->ObjectFlags & OF_EuthanizeMe))
+		{ // We just destroyed a morphed player, so now the original player
+			// has taken their place. Destroy that one too.
+			players[playernum].mo->Destroy();
+		}
+		players[playernum].mo = NULL;
+		players[playernum].camera = NULL;
+	}
+	// [RH] Let the scripts know the player left
+	FBehavior::StaticStartTypedScripts(SCRIPT_Disconnect, NULL, true, playernum);
+}
+
 void G_ScreenShot (char *filename)
 {
 	shotfile = filename;

src/g_game.h

@@ -81,6 +81,7 @@ enum EFinishLevelType
 void G_PlayerFinishLevel (int player, EFinishLevelType mode, int flags);
 
 void G_DoReborn (int playernum, bool freshbot);
+void G_DoPlayerPop(int playernum);
 
 // Adds pitch to consoleplayer's viewpitch and clamps it
 void G_AddViewPitch (int look);