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-rw-r--r--engines/sci/parser/vocabulary.cpp18
1 files changed, 18 insertions, 0 deletions
diff --git a/engines/sci/parser/vocabulary.cpp b/engines/sci/parser/vocabulary.cpp
index 7b115a815d..ad006b0ca8 100644
--- a/engines/sci/parser/vocabulary.cpp
+++ b/engines/sci/parser/vocabulary.cpp
@@ -85,6 +85,24 @@ bool Vocabulary::loadParserWords() {
return false; // NOT critical: SCI1 games and some demos don't have one!
}
+ if (_vocabVersion == kVocabularySCI0) {
+ if (resource->size < 26 * 2) {
+ warning("Invalid main vocabulary encountered: Much too small");
+ return false;
+ }
+ // Check the alphabet-offset table for any content
+ int alphabetNr;
+ for (alphabetNr = 0; alphabetNr < 26; alphabetNr++) {
+ if (READ_LE_UINT16(resource->data + alphabetNr * 2))
+ break;
+ }
+ // If all of them were empty, we are definitely seeing SCI01 vocab in disguise (e.g. pq2 japanese)
+ if (alphabetNr == 26) {
+ warning("SCI0: Found SCI01 vocabulary in disguise");
+ _vocabVersion = kVocabularySCI1;
+ }
+ }
+
unsigned int seeker;
if (_vocabVersion == kVocabularySCI1)
seeker = 255 * 2; // vocab.900 starts with 255 16-bit pointers which we don't use