SCUMM: Read the SMAP size, not the SMAP tag itself

This will obviously make 'smapLen' a lot smaller in most cases, so
there may be regressions. But I hope this is correct, though I
don't know why the size is big-endian while the offset is little-
endian.

1 files changed, 1 insertions, 1 deletions

diff --git a/engines/scumm/gfx.cpp b/engines/scumm/gfx.cpp
index 4c1fdaf673..4d65ccc88a 100644
--- a/engines/scumm/gfx.cpp
+++ b/engines/scumm/gfx.cpp
@@ -1888,7 +1888,7 @@ bool Gdi::drawStrip(byte *dstPtr, VirtScreen *vs, int x, int y, const int width,
 		if (stripnr * 4 + 4 < smapLen)
 			offset = READ_LE_UINT32(smap_ptr + stripnr * 4 + 4);
 	} else {
-		smapLen = READ_BE_UINT32(smap_ptr);
+		smapLen = READ_BE_UINT32(smap_ptr + 4);
 		if (stripnr * 4 + 8 < smapLen)
 			offset = READ_LE_UINT32(smap_ptr + stripnr * 4 + 8);
 	}