我无法正确编译某些代码。这是我的错误:
警告 C4018:“>=”:有符号/无符号不匹配
void Player::HasteCap()
{
if (sWorld->getBoolConfig(CONFIG_PLAYER_HASTECAP_ENABLE))
return;
bool hasInstantHasteCap = (GetFloatValue(UNIT_FIELD_BASEATTACKTIME + 0) == 1
|| GetFloatValue(UNIT_FIELD_BASEATTACKTIME + 1) == 1
|| GetFloatValue(UNIT_FIELD_BASEATTACKTIME + 2) == 1
|| GetFloatValue(UNIT_MOD_CAST_SPEED) == 0);
if (m_baseRatingValue[CR_HASTE_MELEE] > sWorld->getIntConfig(CONFIG_PLAYER_HASTECAP_LIMIT))
{
SetFloatValue(UNIT_MOD_CAST_SPEED, 0);
SetFloatValue(UNIT_FIELD_BASEATTACKTIME + BASE_ATTACK, 1);
SetFloatValue(UNIT_FIELD_BASEATTACKTIME + OFF_ATTACK, 1);
SetFloatValue(UNIT_FIELD_BASEATTACKTIME + RANGED_ATTACK, 1);
}
else if (hasInstantHasteCap && m_baseRatingValue[CR_HASTE_MELEE] < sWorld->getIntConfig(CONFIG_PLAYER_HASTECAP_LIMIT))
{
SetFloatValue(UNIT_MOD_CAST_SPEED, 1.0f);
SetRegularAttackTime();
ApplyCastTimePercentMod(m_baseRatingValue[CR_HASTE_SPELL] * GetRatingMultiplier(CR_HASTE_SPELL), true);
if (GetShapeshiftForm())
{
SpellShapeshiftEntry const* ssEntry = sSpellShapeshiftStore.LookupEntry(GetShapeshiftForm());
if (ssEntry && ssEntry->attackSpeed)
{
SetAttackTime(BASE_ATTACK, ssEntry->attackSpeed);
SetAttackTime(OFF_ATTACK, ssEntry->attackSpeed);
SetAttackTime(RANGED_ATTACK, BASE_ATTACK_TIME);
}
}
}
if (CanModifyStats())
{
UpdateDamagePhysical(BASE_ATTACK);
UpdateDamagePhysical(OFF_ATTACK);
UpdateDamagePhysical(RANGED_ATTACK);
}
}
最佳答案
您要比较的两个值的有符号/无符号性质应该相同,否则在比较时会强制转换为另一个值,这可能会导致意外结果。
最好确保您比较的是同一类型,但是:
如果您知道可以安全地转换哪个值,请显式转换该值。在您的情况下,将有符号值作为无符号值。
例如
unsigned int val1 = someunsignedvalue;
int val2 = somesignedvalue;
if (val1 > (unsigned int) val2) {
/* do stuff */
}
关于C++ 有符号/无符号不匹配,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/15058757/