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(svn r8062) -Codechange: change newgrf varaction2 value from signed to unsigned

This commit is contained in:
peter1138 2007-01-11 14:25:17 +00:00
parent f348fc7b4c
commit b7e753555d
1 changed files with 6 additions and 9 deletions
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15
src/newgrf_spritegroup.cpp
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@ -95,7 +95,7 @@ static inline uint32 GetVariable(const ResolverObject *object, byte variable, by
/* Evaluate an adjustment for a variable of the given size.
* U is the unsigned type and S is the signed type to use. */
template <typename U, typename S>
static U EvalAdjustT(const DeterministicSpriteGroupAdjust *adjust, U last_value, int32 value)
static U EvalAdjustT(const DeterministicSpriteGroupAdjust *adjust, U last_value, uint32 value)
{
value >>= adjust->shift_num;
value &= adjust->and_mask;
@ -108,9 +108,6 @@ static U EvalAdjustT(const DeterministicSpriteGroupAdjust *adjust, U last_value,
case DSGA_TYPE_NONE: break;
}
/* Get our value to the correct range */
value = (U)value;
switch (adjust->operation) {
case DSGA_OP_ADD: return last_value + value;
case DSGA_OP_SUB: return last_value - value;
@ -118,8 +115,8 @@ static U EvalAdjustT(const DeterministicSpriteGroupAdjust *adjust, U last_value,
case DSGA_OP_SMAX: return max((S)last_value, (S)value);
case DSGA_OP_UMIN: return min((U)last_value, (U)value);
case DSGA_OP_UMAX: return max((U)last_value, (U)value);
case DSGA_OP_SDIV: return last_value / value;
case DSGA_OP_SMOD: return last_value % value;
case DSGA_OP_SDIV: return (S)last_value / (S)value;
case DSGA_OP_SMOD: return (S)last_value % (S)value;
case DSGA_OP_UDIV: return (U)last_value / (U)value;
case DSGA_OP_UMOD: return (U)last_value % (U)value;
case DSGA_OP_MUL: return last_value * value;
@ -134,8 +131,8 @@ static U EvalAdjustT(const DeterministicSpriteGroupAdjust *adjust, U last_value,
static inline const SpriteGroup *ResolveVariable(const SpriteGroup *group, ResolverObject *object)
{
static SpriteGroup nvarzero;
int32 last_value = object->last_value;
int32 value = -1;
uint32 last_value = object->last_value;
uint32 value = 0;
uint i;
object->scope = group->g.determ.var_scope;
@ -170,7 +167,7 @@ static inline const SpriteGroup *ResolveVariable(const SpriteGroup *group, Resol
}
for (i = 0; i < group->g.determ.num_ranges; i++) {
if (group->g.determ.ranges[i].low <= (uint32)value && (uint32)value <= group->g.determ.ranges[i].high) {
if (group->g.determ.ranges[i].low <= value && value <= group->g.determ.ranges[i].high) {
return Resolve(group->g.determ.ranges[i].group, object);
}
}