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fixed small bug

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svn-id: r17288
This commit is contained in:
Andrew Kurushin
2005-03-29 21:18:39 +00:00
parent 6bc301810b
commit 0266fcbd4b
1 changed files with 5 additions and 2 deletions
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saga/isomap.cpp
+5 -2
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@@ -342,6 +342,7 @@ int16 IsoMap::findMulti(int16 tileIndex, int16 absU, int16 absV, int16 absH) {
int16 mv;
int16 state;
uint16 i, offset;
int16 *tiles;
ru = (tileIndex >> 13) & 0x03;
rv = (tileIndex >> 11) & 0x03;
@@ -358,11 +359,13 @@ int16 IsoMap::findMulti(int16 tileIndex, int16 absU, int16 absV, int16 absH) {
state = multiTileEntryData->currentState;
offset = (ru + state * multiTileEntryData->uSize) * multiTileEntryData->vSize + rv;
offset *= sizeof(*_multiTableData);
offset += multiTileEntryData->offset;
if (offset >= _multiDataCount * sizeof(*_multiTableData)) {
if (offset + sizeof(*_multiTableData) - 1 >= _multiDataCount * sizeof(*_multiTableData)) {
error("wrong multiTileEntryData->offset");
}
tileIndex = _multiTableData[offset];
tiles = (int16*)((byte*)_multiTableData + offset);
tileIndex = *tiles;
if (tileIndex >= 256) {
warning("something terrible happened");
return 1;