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Slightly optimized drawing of ministars in premium settings.

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This commit is contained in:
23rd 2022-12-22 18:57:46 +03:00 • committed by John Preston
parent ce40ecc7f9
commit b43f8fcff7
3 changed files with 34 additions and 22 deletions
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6
Telegram/SourceFiles/settings/settings_premium.cpp
View file

@ -1359,6 +1359,9 @@ void Premium::setupContent() {
box->closeBox();
}, box->lifetime());
box->boxClosing(
) | rpl::start_with_next(hidden, box->lifetime());
if (controller->session().premium()) {
box->addButton(tr::lng_close(), [=] {
box->closeBox();
@ -1370,9 +1373,6 @@ void Premium::setupContent() {
[] { return u"double_limits"_q; }
});
box->boxClosing(
) | rpl::start_with_next(hidden, box->lifetime());
box->setShowFinishedCallback([=] {
button->startGlareAnimation();
});

45
Telegram/SourceFiles/ui/effects/premium_stars.cpp
View file

@ -36,7 +36,6 @@ MiniStars::MiniStars(Fn<void(const QRect &r)> updateCallback, bool opaque)
, _animation([=](crl::time now) {
if (now > _nextBirthTime && !_paused) {
createStar(now);
_nextBirthTime = now + randomInterval(_lifeLength);
}
if (_rectToUpdate.isValid()) {
updateCallback(base::take(_rectToUpdate));
@ -44,7 +43,10 @@ MiniStars::MiniStars(Fn<void(const QRect &r)> updateCallback, bool opaque)
}) {
if (anim::Disabled()) {
const auto from = _deathTime.from + _deathTime.length;
for (auto i = -from; i < 0; i += randomInterval(_lifeLength)) {
auto r = bytes::vector(from);
base::RandomFill(r.data(), r.size());
for (auto i = -from; i < 0; i += randomInterval(_lifeLength, r[-i])) {
createStar(i);
}
updateCallback(_rectToUpdate);
@ -53,8 +55,10 @@ MiniStars::MiniStars(Fn<void(const QRect &r)> updateCallback, bool opaque)
}
}
int MiniStars::randomInterval(const Interval &interval) const {
return interval.from + base::RandomIndex(interval.length);
int MiniStars::randomInterval(
const Interval &interval,
const bytes::type &random) const {
return interval.from + (uchar(random) % interval.length);
}
crl::time MiniStars::timeNow() const {
@ -64,8 +68,9 @@ crl::time MiniStars::timeNow() const {
void MiniStars::paint(QPainter &p, const QRectF &rect) {
const auto center = rect.center();
const auto opacity = p.opacity();
const auto now = timeNow();
for (const auto &ministar : _ministars) {
const auto progress = (timeNow() - ministar.birthTime)
const auto progress = (now - ministar.birthTime)
/ float64(ministar.deathTime - ministar.birthTime);
if (progress > 1.) {
continue;
@ -122,21 +127,27 @@ void MiniStars::setPaused(bool paused) {
_paused = paused;
}
int MiniStars::angle() const {
const auto &interval = _availableAngles[
base::RandomIndex(_availableAngles.size())];
return base::RandomIndex(interval.length) + interval.from;
}
void MiniStars::createStar(crl::time now) {
constexpr auto kRandomSize = 8;
auto random = bytes::vector(kRandomSize);
base::RandomFill(random.data(), random.size());
auto i = 0;
auto next = [&] { return random[i++]; };
_nextBirthTime = now + randomInterval(_lifeLength, next());
const auto &angleInterval = _availableAngles[
uchar(next()) % _availableAngles.size()];
auto ministar = MiniStar{
.birthTime = now,
.deathTime = now + randomInterval(_deathTime),
.angle = angle(),
.size = float64(randomInterval(_size)),
.alpha = float64(randomInterval(_alpha)) / 100.,
.sinFactor = randomInterval(_sinFactor) / 100.
* (base::RandomIndex(2) == 1 ? 1. : -1.),
.deathTime = now + randomInterval(_deathTime, next()),
.angle = randomInterval(angleInterval, next()),
.size = float64(randomInterval(_size, next())),
.alpha = float64(randomInterval(_alpha, next())) / 100.,
.sinFactor = randomInterval(_sinFactor, next()) / 100.
* ((uchar(next()) % 2) == 1 ? 1. : -1.),
};
for (auto i = 0; i < _ministars.size(); i++) {
if (ministar.birthTime > _ministars[i].deathTime) {

5
Telegram/SourceFiles/ui/effects/premium_stars.h
View file

@ -39,9 +39,10 @@ private:
};
void createStar(crl::time now);
[[nodiscard]] int angle() const;
[[nodiscard]] crl::time timeNow() const;
[[nodiscard]] int randomInterval(const Interval &interval) const;
[[nodiscard]] int randomInterval(
const Interval &interval,
const gsl::byte &random) const;
const std::vector<Interval> _availableAngles;
const Interval _lifeLength;