diff options
| -rw-r--r-- | newgrf_spritegroup.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/newgrf_spritegroup.c b/newgrf_spritegroup.c index cac7bbb20..d389c07ad 100644 --- a/newgrf_spritegroup.c +++ b/newgrf_spritegroup.c @@ -112,7 +112,7 @@ static inline uint32 GetVariable(const ResolverObject *object, byte variable, by /* Evaluate an adjustment for a variable of the given size. This is a bit of * an unwieldy macro, but it saves triplicating the code. */ #define BUILD_EVAL_ADJUST(size, usize) \ -static inline size EvalAdjust_ ## size(const DeterministicSpriteGroupAdjust *adjust, size last_value, size value) \ +static inline size EvalAdjust_ ## size(const DeterministicSpriteGroupAdjust *adjust, size last_value, uint value) \ { \ value >>= adjust->shift_num; \ value &= adjust->and_mask; \ @@ -125,6 +125,9 @@ static inline size EvalAdjust_ ## size(const DeterministicSpriteGroupAdjust *adj case DSGA_TYPE_NONE: break; \ } \ \ + /* Get our value to the correct range */ \ + value = (size)value; \ +\ switch (adjust->operation) { \ case DSGA_OP_ADD: return last_value + value; \ case DSGA_OP_SUB: return last_value - value; \ |