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#include "KingSystem/System/VFR.h"
#include <mc/seadCoreInfo.h>
namespace ksys {
SEAD_SINGLETON_DISPOSER_IMPL(VFR)
VFR::VFR() {
for (int i = 0; i < NumCores; ++i) {
mRawDeltaFrames[i] = &mStorage[0].raw_delta_frames[i];
mDeltaFrames[i] = &mStorage[0].delta_frames[i];
mRawDeltaTimes[i] = &mStorage[0].raw_delta_times[i];
mDeltaTimes[i] = &mStorage[0].delta_times[i];
mIntervals[i] = &mIntervalA;
mIntervalRatios[i] = &mIntervalRatioA;
}
}
VFR::~VFR() {
mTimeSpeedMultipliers.freeBuffer();
}
void VFR::setDelta(u32 core, f32 delta) {
delta = sead::Mathf::max(delta, 0.01f);
*mRawDeltaFrames[core] = delta;
*mDeltaFrames[core] = delta * *mIntervalRatios[core];
*mRawDeltaTimes[core] = delta * mFrameTime;
*mDeltaTimes[core] = *mDeltaFrames[core] * mFrameTime;
}
void VFR::setMinDelta(u32 core, const sead::BitFlag32& mask) {
f32 min = 1.0;
for (s32 i = 0; i < mTimeSpeedMultipliers.size(); ++i) {
if (mask.isOnBit(i))
min = sead::Mathf::min(min, mTimeSpeedMultipliers[i].value);
}
setDelta(core, min);
}
void VFR::resetTimeMultipliers() {
for (auto& entry : mTimeSpeedMultipliers) {
entry.value = 1.0;
entry.target_value = 1.0;
entry.is_custom = false;
}
setMinDelta();
}
void VFR::setMinDelta() {
setMinDelta(0, mMask);
for (s32 i = 0; i < NumCores; ++i) {
mStorage[0].delta_frames[i] = mStorage[0].delta_frames[0];
mStorage[0].raw_delta_times[i] = mStorage[0].raw_delta_times[0];
mStorage[0].delta_times[i] = mStorage[0].delta_times[0];
mStorage[0].raw_delta_frames[i] = mStorage[0].raw_delta_frames[0];
}
}
void VFR::copyAtoB() {
for (s32 i = 0; i < NumCores; ++i) {
mStorage[1].raw_delta_frames[i] = mStorage[0].raw_delta_frames[i];
mStorage[1].delta_frames[i] = mStorage[0].delta_frames[i];
mStorage[1].raw_delta_times[i] = mStorage[0].raw_delta_times[i];
mStorage[1].delta_times[i] = mStorage[0].delta_times[i];
mIntervalB = mIntervalA;
mIntervalRatioB = mIntervalRatioA;
}
}
void VFR::init(u32 interval, int num_speed_multipliers, sead::Heap* heap, u32 mask) {
mInterval = interval;
mFrameRate = 60 / interval;
mIntervalA = interval;
mIntervalB = interval;
mFrameTime = 1.0f / mFrameRate;
mTimeSpeedMultipliers.allocBufferAssert(num_speed_multipliers, heap);
mMask = mask;
setMinDelta();
copyAtoB();
}
void VFR::setIntervalOverride(u32 interval) {
if (!mHasIntervalOverride) {
mHasIntervalOverride = true;
mIntervalOverride = interval;
}
}
void VFR::clearIntervalOverride() {
mHasIntervalOverride = false;
}
bool VFR::hasIntervalOverride() const {
return mHasIntervalOverride;
}
u32 VFR::getIntervalOverride() const {
return mIntervalOverride;
}
VFR::TimeSpeedMultiplier::TimeSpeedMultiplier() = default;
VFR::TimeSpeedMultiplier::~TimeSpeedMultiplier() = default;
void VFR::TimeSpeedMultiplier::update(f32 multiplier) {
if (target_value == value)
return;
is_custom = target_value != 1.0;
if (target_value < value) {
value = target_value;
} else {
sead::Mathf::chase(&value, target_value, sead::Mathf::max(value * multiplier, 0.01));
}
}
void VFR::updateInterval(u32 new_interval) {
copyAtoB();
if (mHasIntervalOverride)
new_interval = mIntervalOverride;
if (new_interval != 0 && mIntervalA != new_interval) {
mIntervalA = new_interval;
mHasIntervalChanged = true;
mNewIntervalRatio = f32(new_interval) * (1.0f / mInterval);
} else {
mHasIntervalChanged = false;
}
if (mNewIntervalRatio != mIntervalRatioA)
mIntervalRatioA = mNewIntervalRatio;
for (s32 i = 0; i < mTimeSpeedMultipliers.size(); ++i) {
mTimeSpeedMultipliers[i].update(mIntervalRatioA);
}
setMinDelta();
}
void VFR::useBufferB() {
const u32 core = sead::CoreInfo::getCurrentCoreId();
mRawDeltaFrames[core] = &mStorage[1].raw_delta_frames[core];
mDeltaFrames[core] = &mStorage[1].delta_frames[core];
mRawDeltaTimes[core] = &mStorage[1].raw_delta_times[core];
mDeltaTimes[core] = &mStorage[1].delta_times[core];
mIntervals[core] = &mIntervalB;
mIntervalRatios[core] = &mIntervalRatioB;
}
void VFR::useBufferA() {
const u32 core = sead::CoreInfo::getCurrentCoreId();
mRawDeltaFrames[core] = &mStorage[0].raw_delta_frames[core];
mDeltaFrames[core] = &mStorage[0].delta_frames[core];
mRawDeltaTimes[core] = &mStorage[0].raw_delta_times[core];
mDeltaTimes[core] = &mStorage[0].delta_times[core];
mIntervals[core] = &mIntervalA;
mIntervalRatios[core] = &mIntervalRatioA;
}
f32 VFR::getDeltaAndSetMin(f32* raw_delta_frames, u32 include_mask, u32 exclude_mask) {
const u32 core = sead::CoreInfo::getCurrentCoreId();
*raw_delta_frames = *mRawDeltaFrames[core];
const f32 delta = *mDeltaFrames[core];
setMinDelta(core, (mMask.getDirect() | include_mask) & ~exclude_mask);
return delta;
}
bool VFR::hasCustomTimeMultiplier() const {
for (const auto& entry : mTimeSpeedMultipliers) {
if (entry.value != 1.0)
return true;
}
return false;
}
VFR::ScopedDeltaSetter::ScopedDeltaSetter() = default;
VFR::ScopedDeltaSetter::ScopedDeltaSetter(u32 include_mask, u32 exclude_mask)
: ScopedDeltaSetter() {
set(include_mask, exclude_mask);
}
void VFR::ScopedDeltaSetter::set(u32 include_mask, u32 exclude_mask) {
auto* vfr = VFR::instance();
if (!vfr)
return;
f32 raw_delta;
const auto delta = vfr->getDeltaAndSetMin(&raw_delta, include_mask, exclude_mask);
const auto time = vfr->getDeltaFrame();
if (delta != time) {
mPreviousDelta = raw_delta;
if (delta > 0.0)
mTimeRate = time / delta;
}
}
VFR::ScopedDeltaSetter::~ScopedDeltaSetter() {
if (VFR::instance() && mPreviousDelta > 0.0)
VFR::instance()->setDelta(mPreviousDelta);
}
} // namespace ksys
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