Ticket #8461: iq-hack.diff

README

@@ -617 +617 @@
         [ and ]                - Music volume, down/up
         - and +                - Text speed, slower/faster
         F5                     - Displays a save/load box
+        Alt-F5                 - Displays the original save/load box, if the
+                                 game has one. This is not intended for saving
+                                 or loading a game, and may even crash ScummVM
+                                 in some games, but it is currently the only
+                                 way to see your IQ points in Indiana Jones and
+                                 the Last Crusade without dying.
         Space                  - Pauses
         Period (.)             - Skips current line of text in some games
         Enter                  - Simulate left mouse button press

doc/05_04.tex

@@ -38 +38 @@
     $[$ and $]$                & Music volume, down/up\\
     - and +                & Text speed, slower/faster\\
     F5                     & Displays a save/load box\\
+    Alt-F5                 & Displays the original save/load box, if the game\\
+                           & has one. This is not intended for saving or\\
+                           & loading a game, and may even crash ScummVM in\\
+                           & some games, but it is currently the only way to\\
+                           & see your IQ points in Indiana Jones and the Last\\
+                           & Crusade without dying.\\
     Space                  & Pauses\\
     Period (.)             & Skips current line of text in some games\\
     Enter                  & Simulate left mouse button press\\

scumm/input.cpp

@@ -233 +233 @@
 #endif
 
         _lastKeyHit = _keyPressed;
-        _keyPressed = 0;
+
         if (((_version <= 2) || (_platform == Common::kPlatformFMTowns && _version == 3)) && 315 <= _lastKeyHit && _lastKeyHit < 315+12) {
                 // Convert F-Keys for V1/V2 games (they start at 1 instead of at 315)
                 _lastKeyHit -= 314;
         }
 
+        if ((_version <= 2) || (_platform == Common::kPlatformFMTowns && _version == 3))
+                saveloadkey = 5;        // F5
+        else if ((_version <= 3) || (_gameId == GID_SAMNMAX) || (_gameId == GID_CMI) || (_heversion >= 72))
+                saveloadkey = 319;      // F5
+        else
+                saveloadkey = VAR(VAR_MAINMENU_KEY);
+
+        // Alt-F5 will attempt to call up the original save/load dialog. This
+        // is not intended for saving or loading games, and may even crash
+        // ScummVM, but it's currently the only way there is to see your IQ
+        // points in Indy 3 without dying.
+
+        if (_keyPressed == 440) {
+                if (_gameId == GID_CMI && !(_features & GF_DEMO))
+                        _lastKeyHit = 315;
+                else
+                        _lastKeyHit = saveloadkey;
+                saveloadkey = -1;
+        }
+
+        _keyPressed = 0;
 
         //
         // Clip the mouse coordinates, and compute _virtualMouse.x (and clip it, too)
@@ -410 +431 @@
                 return;
         }
 
-        if ((_version <= 2) || (_platform == Common::kPlatformFMTowns && _version == 3))
-                saveloadkey = 5;        // F5
-        else if ((_version <= 3) || (_gameId == GID_SAMNMAX) || (_gameId == GID_CMI) || (_heversion >= 72))
-                saveloadkey = 319;      // F5
-        else
-                saveloadkey = VAR(VAR_MAINMENU_KEY);
-
         if ((_platform == Common::kPlatformC64 && _gameId == GID_MANIAC && _lastKeyHit == 27) || 
                 ((VAR(VAR_CUTSCENEEXIT_KEY) == 4 || VAR(VAR_CUTSCENEEXIT_KEY) == 64) && _lastKeyHit == 27) ||
                 _lastKeyHit == VAR(VAR_CUTSCENEEXIT_KEY)) {