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ZVISION: Fix script bug #6793 in Zork Nemesis

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This commit is contained in:
Filippos Karapetis 2015-02-16 12:11:50 +02:00
parent 60e83c2d9c
commit f04ef8b728
1 changed files with 21 additions and 0 deletions
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21
engines/zvision/file/save_manager.cpp
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@ -165,6 +165,27 @@ Common::Error SaveManager::loadGame(int slot) {
if (header.thumbnail)
delete header.thumbnail;
if (_engine->getGameId() == GID_NEMESIS && scriptManager->getCurrentLocation() == "tv2f") {
// WORKAROUND for script bug #6793: location tv2f (stairs) has two states:
// one at the top of the stairs, and one at the bottom. When the player
// goes to the bottom of the stairs, the screen changes, and hotspot
// 4652 (exit opposite the stairs) is enabled. However, the variable that
// controls the state (2408) is reset when the player goes down the stairs.
// Furthermore, the room's initialization script disables the stair exit
// control (4652). This leads to an impossible situation, where all the
// exit controls are disabled, and the player can't more anywhere. Thus,
// when loading a game in that room, we check for that impossible
// situation, which only occurs after the player has moved down the stairs,
// and fix it here by setting the correct background, and enabling the
// stair exit hotspot.
if ((scriptManager->getStateFlag(2411) & Puzzle::DISABLED) &&
(scriptManager->getStateFlag(2408) & Puzzle::DISABLED) &&
(scriptManager->getStateFlag(4652) & Puzzle::DISABLED)) {
_engine->getRenderManager()->setBackgroundImage("tv2fb21c.tga");
scriptManager->unsetStateFlag(4652, Puzzle::DISABLED);
}
}
return Common::kNoError;
}