int AgiEngine::decodeObjects(uint8 *mem, uint32 flen) {
unsigned int i, so, padsize, spos;
padsize = _game.gameFlags & ID_AMIGA ? 4 : 3;
_game.numObjects = 0;
_objects = NULL;
// check if first pointer exceeds file size
// if so, its encrypted, else it is not
if (READ_LE_UINT16(mem) > flen) {
debugN(0, "Decrypting objects... ");
decrypt(mem, flen);
debug(0, "done.");
}
// alloc memory for object list
// byte 3 = number of animated objects. this is ignored.. ??
if (READ_LE_UINT16(mem) / padsize > 256) {
// die with no error! AGDS game needs not to die to work!! :(
return errOK;
}
_game.numObjects = READ_LE_UINT16(mem) / padsize;
debugC(5, kDebugLevelResources, "num_objects = %d (padsize = %d)", _game.numObjects, padsize);
if (allocObjects(_game.numObjects) != errOK)
return errNotEnoughMemory;
// build the object list
spos = getVersion() >= 0x2000 ? padsize : 0;
for (i = 0, so = spos; i < _game.numObjects; i++, so += padsize) {
int offset;
_objects[i].location = *(mem + so + 2);
offset = READ_LE_UINT16(mem + so) + spos;
if ((uint) offset < flen) {
_objects[i].name = (char *)strdup((const char *)mem + offset);
} else {
warning("object %i name beyond object filesize (%04x > %04x)", i, offset, flen);
_objects[i].name = strdup("");
}
// Don't show the invalid "?" object in ego's inventory in the fanmade
// game Beyond the Titanic 2 (bug #3116541).
if (!strcmp(_objects[i].name, "?") && _objects[i].location == EGO_OWNED)
_objects[i].location = 0;
}
debug(0, "Reading objects: %d objects read.", _game.numObjects);
return errOK;
}
int AgiEngine::decodeObjects(uint8 *mem, uint32 flen) {
unsigned int i, so, padsize;
padsize = _game.gameFlags & ID_AMIGA ? 4 : 3;
_game.numObjects = 0;
_objects = NULL;
// check if first pointer exceeds file size
// if so, its encrypted, else it is not
if (READ_LE_UINT16(mem) > flen) {
debugN(0, "Decrypting objects... ");
decrypt(mem, flen);
debug(0, "done.");
}
// alloc memory for object list
// byte 3 = number of animated objects. this is ignored.. ??
if (READ_LE_UINT16(mem) / padsize >= 256) {
// die with no error! AGDS game needs not to die to work!! :(
return errOK;
}
_game.numObjects = READ_LE_UINT16(mem) / padsize;
debugC(5, kDebugLevelResources, "num_objects = %d (padsize = %d)", _game.numObjects, padsize);
if (allocObjects(_game.numObjects) != errOK)
return errNotEnoughMemory;
// build the object list
for (i = 0, so = padsize; i < _game.numObjects; i++, so += padsize) {
int offset;
(_objects + i)->location = *(mem + so + 2);
offset = READ_LE_UINT16(mem + so) + padsize;
if ((uint) offset < flen) {
(_objects + i)->name = (char *)strdup((const char *)mem + offset);
} else {
warning("object %i name beyond object filesize (%04x > %04x)", i, offset, flen);
(_objects + i)->name = strdup("");
}
}
debug(0, "Reading objects: %d objects read.", _game.numObjects);
return errOK;
}