From 9f1245d39e792a9c37d0b7e06184dfff54394154 Mon Sep 17 00:00:00 2001
From: Simon Howard
Date: Thu, 16 Mar 2006 22:17:45 +0000
Subject: Better fix for the intermission screen crash. Don't call WI_End until
 after we change to gamestate != GS_INTERMISSION

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 422
---
 src/g_game.c   | 16 ++++++++++++++--
 src/wi_stuff.c | 22 +++++++---------------
 src/wi_stuff.h |  6 ++++--
 3 files changed, 25 insertions(+), 19 deletions(-)

diff --git a/src/g_game.c b/src/g_game.c
index e6c24f00..b8807da1 100644
--- a/src/g_game.c
+++ b/src/g_game.c
@@ -1,7 +1,7 @@
 // Emacs style mode select   -*- C++ -*- 
 //-----------------------------------------------------------------------------
 //
-// $Id: g_game.c 405 2006-03-02 00:57:25Z fraggle $
+// $Id: g_game.c 422 2006-03-16 22:17:45Z fraggle $
 //
 // Copyright(C) 1993-1996 Id Software, Inc.
 // Copyright(C) 2005 Simon Howard
@@ -134,7 +134,7 @@
 
 
 static const char
-rcsid[] = "$Id: g_game.c 405 2006-03-02 00:57:25Z fraggle $";
+rcsid[] = "$Id: g_game.c 422 2006-03-16 22:17:45Z fraggle $";
 
 #include <string.h>
 #include <stdlib.h>
@@ -207,6 +207,9 @@ void	G_DoVictory (void);
 void	G_DoWorldDone (void); 
 void	G_DoSaveGame (void); 
  
+// Gamestate the last time G_Ticker was called.
+
+gamestate_t     oldgamestate; 
  
 gameaction_t    gameaction; 
 gamestate_t     gamestate; 
@@ -909,6 +912,15 @@ void G_Ticker (void)
 	    } 
 	}
     }
+
+    // Have we just finished displaying an intermission screen?
+
+    if (oldgamestate == GS_INTERMISSION && gamestate != GS_INTERMISSION)
+    {
+        WI_End();
+    }
+
+    oldgamestate = gamestate;
     
     // do main actions
     switch (gamestate) 
diff --git a/src/wi_stuff.c b/src/wi_stuff.c
index 41e6e193..75e2ff9e 100644
--- a/src/wi_stuff.c
+++ b/src/wi_stuff.c
@@ -1,7 +1,7 @@
 // Emacs style mode select   -*- C++ -*- 
 //-----------------------------------------------------------------------------
 //
-// $Id: wi_stuff.c 421 2006-03-16 21:46:59Z fraggle $
+// $Id: wi_stuff.c 422 2006-03-16 22:17:45Z fraggle $
 //
 // Copyright(C) 1993-1996 Id Software, Inc.
 // Copyright(C) 2005 Simon Howard
@@ -44,7 +44,7 @@
 //-----------------------------------------------------------------------------
 
 static const char
-rcsid[] = "$Id: wi_stuff.c 421 2006-03-16 21:46:59Z fraggle $";
+rcsid[] = "$Id: wi_stuff.c 422 2006-03-16 22:17:45Z fraggle $";
 
 #include <stdio.h>
 
@@ -748,11 +748,6 @@ void WI_End(void)
 {
     void WI_unloadData(void);
     WI_unloadData();
-
-    // Set state to finished.  This prevents trying to draw the screen
-    // again using any of the patches we have now unloaded.
-
-    state = FinishedIntermission;
 }
 
 void WI_initNoState(void)
@@ -768,7 +763,11 @@ void WI_updateNoState(void) {
 
     if (!--cnt)
     {
-	WI_End();
+        // Don't call WI_End yet.  G_WorldDone doesnt immediately 
+        // change gamestate, so WI_Drawer is still going to get
+        // run until that happens.  If we do that after WI_End
+        // (which unloads all the graphics), we're in trouble.
+	//WI_End();
 	G_WorldDone();
     }
 
@@ -1559,9 +1558,6 @@ void WI_Ticker(void)
       case NoState:
 	WI_updateNoState();
 	break;
-
-      case FinishedIntermission:
-        break;
     }
 
 }
@@ -1822,9 +1818,6 @@ void WI_Drawer (void)
       case NoState:
 	WI_drawNoState();
 	break;
-
-      case FinishedIntermission:
-        break;
     }
 }
 
@@ -1873,7 +1866,6 @@ void WI_initVariables(wbstartstruct_t* wbstartstruct)
 
 void WI_Start(wbstartstruct_t* wbstartstruct)
 {
-
     WI_initVariables(wbstartstruct);
     WI_loadData();
 
diff --git a/src/wi_stuff.h b/src/wi_stuff.h
index da14002f..5368de76 100644
--- a/src/wi_stuff.h
+++ b/src/wi_stuff.h
@@ -1,7 +1,7 @@
 // Emacs style mode select   -*- C++ -*- 
 //-----------------------------------------------------------------------------
 //
-// $Id: wi_stuff.h 421 2006-03-16 21:46:59Z fraggle $
+// $Id: wi_stuff.h 422 2006-03-16 22:17:45Z fraggle $
 //
 // Copyright(C) 1993-1996 Id Software, Inc.
 // Copyright(C) 2005 Simon Howard
@@ -40,7 +40,6 @@ typedef enum
     NoState = -1,
     StatCount,
     ShowNextLoc,
-    FinishedIntermission,
 } stateenum_t;
 
 // Called by main loop, animate the intermission.
@@ -53,6 +52,9 @@ void WI_Drawer (void);
 // Setup for an intermission screen.
 void WI_Start(wbstartstruct_t*	 wbstartstruct);
 
+// Shut down the intermission screen
+void WI_End(void);
+
 #endif
 //-----------------------------------------------------------------------------
 //
-- 
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