implement outro_wipe field functionality

src/d_main.c

@@ -251,7 +251,16 @@ void D_ProcessEvents (void)
 
 // wipegamestate can be set to -1 to force a wipe on the next draw
 gamestate_t    wipegamestate = GS_DEMOSCREEN;
-static int     screen_melt = wipe_Melt;
+static int     screen_melt = wipe_Melt, old_screen_melt = -1;
+
+void D_RestoreScreenMelt()
+{
+    if (old_screen_melt >= 0)
+    {
+      screen_melt = old_screen_melt;
+      old_screen_melt = -1;
+    }
+}
 
 void D_Display (void)
 {
@@ -531,6 +540,20 @@ void D_DoAdvanceDemo(void)
                      demosequence);
             break;
     }
+
+    if (old_screen_melt < 0)
+    {
+      old_screen_melt = screen_melt;
+    }
+
+    if (demoloop_point->outro_wipe == WIPE_IMMEDIATE)
+    {
+        screen_melt = wipe_None;
+    }
+    else if (demoloop_point->outro_wipe == WIPE_MELT)
+    {
+        screen_melt = wipe_Melt;
+    }
 }
 
 //

src/d_main.h

@@ -62,6 +62,8 @@ void D_StartTitle(void);
 
 extern boolean advancedemo;
 
+void D_RestoreScreenMelt(void);
+
 #endif
 
 //----------------------------------------------------------------------------

src/g_game.c

@@ -2835,6 +2835,9 @@ void G_Ticker(void)
       G_DoReborn (i);
   P_MapEnd();
 
+  if (gameaction != ga_nothing && gameaction != ga_playdemo)
+    D_RestoreScreenMelt();
+
   // do things to change the game state
   while (gameaction != ga_nothing)
     switch (gameaction)