AGI: Fix Hold-Key-Mode implementation

Hold-Key-Mode got introduced v2.425, it was simply not possible
to disable it until 3.098.
Now creating a AGI_KEY_STATIONARY event, so that it works properly

Fixes Mixed Up Mother Goose

1 files changed, 17 insertions, 2 deletions

diff --git a/engines/agi/saveload.cpp b/engines/agi/saveload.cpp
index c2d9de8bb2..1bf0dbcc02 100644
--- a/engines/agi/saveload.cpp
+++ b/engines/agi/saveload.cpp
@@ -45,7 +45,7 @@
 #include "agi/systemui.h"
 #include "agi/words.h"
 
-#define SAVEGAME_CURRENT_VERSION 7
+#define SAVEGAME_CURRENT_VERSION 8
 
 //
 // Version 0 (Sarien): view table has 64 entries
@@ -59,7 +59,9 @@
 //                       required for some games for quick-loading from ScummVM main menu
 //                       for games, that do not set all key mappings right at the start
 //                      Added automatic save data (for command SetSimple)
-//
+// Version 8 (ScummVM): Added Hold-Key-Mode boolean
+//                       required for at least Mixed Up Mother Goose
+//                       gets set at the start of the game only
 
 namespace Agi {
 
@@ -195,6 +197,10 @@ int AgiEngine::saveGame(const Common::String &fileName, const Common::String &de
 		out->writeByte(_game.controllerKeyMapping[i].controllerSlot);
 	}
 
+	// Version 8+: hold-key-mode
+	//  required for at least Mixed Up Mother Goose
+	out->writeByte(_keyHoldMode);
+
 	// game.ev_keyp
 	for (i = 0; i < MAX_STRINGS; i++)
 		out->write(_game.strings[i], MAX_STRINGLEN);
@@ -521,6 +527,15 @@ int AgiEngine::loadGame(const Common::String &fileName, bool checkId) {
 		}
 	}
 
+	if (saveVersion >= 8) {
+		// Version 8+: hold-key-mode
+		if (in->readByte()) {
+			_keyHoldMode = true;
+		} else {
+			_keyHoldMode = false;
+		}
+	}
+
 	for (i = 0; i < MAX_STRINGS; i++)
 		in->read(_game.strings[i], MAX_STRINGLEN);