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-rw-r--r--src/newgrf_spritegroup.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/newgrf_spritegroup.h b/src/newgrf_spritegroup.h
index ed8eac529..b6dc71d62 100644
--- a/src/newgrf_spritegroup.h
+++ b/src/newgrf_spritegroup.h
@@ -151,6 +151,9 @@ enum DeterministicSpriteGroupAdjustOperation {
DSGA_OP_ROR, ///< rotate a b positions to the right
DSGA_OP_SCMP, ///< (signed) comparision (a < b -> 0, a == b = 1, a > b = 2)
DSGA_OP_UCMP, ///< (unsigned) comparision (a < b -> 0, a == b = 1, a > b = 2)
+ DSGA_OP_SHL, ///< a << b
+ DSGA_OP_SHR, ///< (unsigned) a >> b
+ DSGA_OP_SAR, ///< (signed) a >> b
};