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-rw-r--r--src/newgrf_spritegroup.cpp3
-rw-r--r--src/newgrf_spritegroup.h3
2 files changed, 6 insertions, 0 deletions
diff --git a/src/newgrf_spritegroup.cpp b/src/newgrf_spritegroup.cpp
index 19b73c63c..3a543cf0c 100644
--- a/src/newgrf_spritegroup.cpp
+++ b/src/newgrf_spritegroup.cpp
@@ -124,6 +124,9 @@ static U EvalAdjustT(const DeterministicSpriteGroupAdjust *adjust, ResolverObjec
case DSGA_OP_ROR: return RotateRight(last_value, value);
case DSGA_OP_SCMP: return ((S)last_value == (S)value) ? 1 : ((S)last_value < (S)value ? 0 : 2);
case DSGA_OP_UCMP: return ((U)last_value == (U)value) ? 1 : ((U)last_value < (U)value ? 0 : 2);
+ case DSGA_OP_SHL: return (U)last_value << (U)value;
+ case DSGA_OP_SHR: return (U)last_value >> (U)value;
+ case DSGA_OP_SAR: return (S)last_value >> (U)value;
default: return value;
}
}
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
};