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-rw-r--r--engines/sci/sci.cpp81
1 files changed, 27 insertions, 54 deletions
diff --git a/engines/sci/sci.cpp b/engines/sci/sci.cpp
index b460b06662..4155fd2a1f 100644
--- a/engines/sci/sci.cpp
+++ b/engines/sci/sci.cpp
@@ -213,7 +213,6 @@ Common::Error SciEngine::run() {
// Add the after market GM patches for the specified game, if they exist
_resMan->addNewGMPatch(_gameId);
_gameObjectAddress = _resMan->findGameObject();
- _gameSuperClassAddress = NULL_REG;
SegManager *segMan = new SegManager(_resMan);
@@ -250,7 +249,6 @@ Common::Error SciEngine::run() {
warning("Could not get game object, aborting...");
return Common::kUnknownError;
}
- _gameSuperClassAddress = gameObject->getSuperClassSelector();
script_adjust_opcode_formats();
@@ -441,19 +439,24 @@ static byte patchGameRestoreSaveSci2[] = {
0x48, // ret
};
+static void patchGameSaveRestoreCode(SegManager *segMan, reg_t methodAddress, byte id) {
+ Script *script = segMan->getScript(methodAddress.segment);
+ byte *patchPtr = const_cast<byte *>(script->getBuf(methodAddress.offset));
+ if (getSciVersion() <= SCI_VERSION_1_1)
+ memcpy(patchPtr, patchGameRestoreSave, sizeof(patchGameRestoreSave));
+ else if (getSciVersion() == SCI_VERSION_2)
+ memcpy(patchPtr, patchGameRestoreSaveSci2, sizeof(patchGameRestoreSaveSci2));
+ // TODO: SCI21/SCI3
+ patchPtr[8] = id;
+}
+
void SciEngine::patchGameSaveRestore() {
SegManager *segMan = _gamestate->_segMan;
const Object *gameObject = segMan->getObject(_gameObjectAddress);
- const uint16 gameMethodCount = gameObject->getMethodCount();
- const Object *gameSuperObject = segMan->getObject(_gameSuperClassAddress);
+ const Object *gameSuperObject = segMan->getObject(gameObject->getSuperClassSelector());
if (!gameSuperObject)
gameSuperObject = gameObject; // happens in KQ5CD, when loading saved games before r54510
- const uint16 gameSuperMethodCount = gameSuperObject->getMethodCount();
- reg_t methodAddress;
- const uint16 kernelCount = _kernel->getKernelNamesSize();
- const byte *scriptRestorePtr = NULL;
byte kernelIdRestore = 0;
- const byte *scriptSavePtr = NULL;
byte kernelIdSave = 0;
// This feature is currently not supported in SCI21 or SCI3
@@ -473,7 +476,8 @@ void SciEngine::patchGameSaveRestore() {
if (ConfMan.getBool("sci_originalsaveload"))
return;
- for (uint16 kernelNr = 0; kernelNr < kernelCount; kernelNr++) {
+ uint16 kernelNamesSize = _kernel->getKernelNamesSize();
+ for (uint16 kernelNr = 0; kernelNr < kernelNamesSize; kernelNr++) {
Common::String kernelName = _kernel->getKernelName(kernelNr);
if (kernelName == "RestoreGame")
kernelIdRestore = kernelNr;
@@ -481,61 +485,30 @@ void SciEngine::patchGameSaveRestore() {
kernelIdSave = kernelNr;
}
- // Search for gameobject-superclass ::restore
- for (uint16 methodNr = 0; methodNr < gameSuperMethodCount; methodNr++) {
+ // Search for gameobject superclass ::restore
+ uint16 gameSuperObjectMethodCount = gameSuperObject->getMethodCount();
+ for (uint16 methodNr = 0; methodNr < gameSuperObjectMethodCount; methodNr++) {
uint16 selectorId = gameSuperObject->getFuncSelector(methodNr);
Common::String methodName = _kernel->getSelectorName(selectorId);
- if (methodName == "restore") {
- methodAddress = gameSuperObject->getFunction(methodNr);
- Script *script = segMan->getScript(methodAddress.segment);
- scriptRestorePtr = script->getBuf(methodAddress.offset);
- }
- if (methodName == "save") {
- methodAddress = gameSuperObject->getFunction(methodNr);
- Script *script = segMan->getScript(methodAddress.segment);
- scriptSavePtr = script->getBuf(methodAddress.offset);
+ if (methodName == "restore")
+ patchGameSaveRestoreCode(segMan, gameSuperObject->getFunction(methodNr), kernelIdRestore);
+ else if (methodName == "save") {
+ if (_gameId != GID_FAIRYTALES) // Fairy Tales saves automatically without a dialog
+ patchGameSaveRestoreCode(segMan, gameSuperObject->getFunction(methodNr), kernelIdSave);
}
}
- // Search for gameobject ::save, if there is one patch that one instead
- for (uint16 methodNr = 0; methodNr < gameMethodCount; methodNr++) {
+ // Search for gameobject ::save, if there is one patch that one too
+ uint16 gameObjectMethodCount = gameObject->getMethodCount();
+ for (uint16 methodNr = 0; methodNr < gameObjectMethodCount; methodNr++) {
uint16 selectorId = gameObject->getFuncSelector(methodNr);
Common::String methodName = _kernel->getSelectorName(selectorId);
if (methodName == "save") {
- methodAddress = gameObject->getFunction(methodNr);
- Script *script = segMan->getScript(methodAddress.segment);
- scriptSavePtr = script->getBuf(methodAddress.offset);
+ if (_gameId != GID_FAIRYTALES) // Fairy Tales saves automatically without a dialog
+ patchGameSaveRestoreCode(segMan, gameObject->getFunction(methodNr), kernelIdSave);
break;
}
}
-
- switch (_gameId) {
- case GID_FAIRYTALES: // fairy tales automatically saves w/o dialog
- scriptSavePtr = NULL;
- default:
- break;
- }
-
- if (scriptRestorePtr) {
- // Now patch in our code
- byte *patchPtr = const_cast<byte *>(scriptRestorePtr);
- if (getSciVersion() <= SCI_VERSION_1_1)
- memcpy(patchPtr, patchGameRestoreSave, sizeof(patchGameRestoreSave));
- else if (getSciVersion() == SCI_VERSION_2)
- memcpy(patchPtr, patchGameRestoreSaveSci2, sizeof(patchGameRestoreSaveSci2));
- // TODO: SCI21/SCI3
- patchPtr[8] = kernelIdRestore;
- }
- if (scriptSavePtr) {
- // Now patch in our code
- byte *patchPtr = const_cast<byte *>(scriptSavePtr);
- if (getSciVersion() <= SCI_VERSION_1_1)
- memcpy(patchPtr, patchGameRestoreSave, sizeof(patchGameRestoreSave));
- else if (getSciVersion() == SCI_VERSION_2)
- memcpy(patchPtr, patchGameRestoreSaveSci2, sizeof(patchGameRestoreSaveSci2));
- // TODO: SCI21/SCI3
- patchPtr[8] = kernelIdSave;
- }
}
bool SciEngine::initGame() {