metaforce/Runtime/Camera/CCameraShakeData.cpp

140 lines
4.5 KiB
C++

#include "Runtime/Camera/CCameraShakeData.hpp"
#include "Runtime/CStateManager.hpp"
#include "Runtime/World/CPlayer.hpp"
#include "Runtime/World/ScriptLoader.hpp"
#include <algorithm>
#include <cmath>
#include <zeus/Math.hpp>
namespace metaforce {
SCameraShakePoint SCameraShakePoint::LoadCameraShakePoint(CInputStream& in) {
u32 useEnvelope = ScriptLoader::LoadParameterFlags(in);
float attackTime = in.readFloatBig();
float sustainTime = in.readFloatBig();
float duration = in.readFloatBig();
float magnitude = in.readFloatBig();
return {useEnvelope != 0, attackTime, sustainTime, duration, magnitude};
}
CCameraShakerComponent CCameraShakerComponent::LoadNewCameraShakerComponent(CInputStream& in) {
u32 useModulation = ScriptLoader::LoadParameterFlags(in);
SCameraShakePoint am = SCameraShakePoint::LoadCameraShakePoint(in);
SCameraShakePoint fm = SCameraShakePoint::LoadCameraShakePoint(in);
return {useModulation != 0, am, fm};
}
CCameraShakeData::CCameraShakeData(CInputStream& in) {
in.readUint32Big();
in.readFloatBig();
in.readFloatBig();
in.readFloatBig();
in.readFloatBig();
in.readFloatBig();
in.readFloatBig();
in.readFloatBig();
in.readBool();
BuildProjectileCameraShake(0.5f, 0.75f);
}
void SCameraShakePoint::Update(float curTime) {
float offTimePoint = xc_attackTime + x10_sustainTime;
float factor = 1.f;
if (curTime < xc_attackTime && xc_attackTime > 0.f)
factor = zeus::clamp(0.f, curTime / xc_attackTime, 1.f);
if (curTime >= offTimePoint && x14_duration > 0.f)
factor = 1.f - (curTime - offTimePoint) / x14_duration;
x4_value = x8_magnitude * factor;
}
void CCameraShakerComponent::Update(float curTime, float duration, float distAtt) {
if (std::fabs(duration) < 0.00001f || !x4_useModulation) {
x38_value = 0.f;
return;
}
x20_fm.Update(curTime);
float freq = 1.f + x20_fm.GetValue();
x8_am.Update(curTime);
x38_value = x8_am.GetValue() * std::sin(2.f * M_PIF * (duration - curTime) * freq);
x38_value *= distAtt;
}
void CCameraShakeData::Update(float dt, CStateManager& mgr) {
x4_curTime += dt;
float distAtt = 1.f;
if (xc0_flags & 0x1)
distAtt = 1.f - zeus::clamp(0.f, (xc4_sfxPos - mgr.GetPlayer().GetTranslation()).magnitude() / xd0_sfxDist, 1.f);
x8_shakerX.Update(x4_curTime, x0_duration, distAtt);
x44_shakerY.Update(x4_curTime, x0_duration, distAtt);
x80_shakerZ.Update(x4_curTime, x0_duration, distAtt);
}
zeus::CVector3f CCameraShakeData::GetPoint() const {
return {x8_shakerX.GetValue(), x44_shakerY.GetValue(), x80_shakerZ.GetValue()};
}
float CCameraShakeData::GetMaxAMComponent() const {
float ret = 0.f;
if (x8_shakerX.x4_useModulation)
ret = x8_shakerX.x8_am.GetValue();
if (x44_shakerY.x4_useModulation)
ret = std::max(ret, x44_shakerY.x8_am.GetValue());
if (x80_shakerZ.x4_useModulation)
ret = std::max(ret, x80_shakerZ.x8_am.GetValue());
return ret;
}
float CCameraShakeData::GetMaxFMComponent() const {
float ret = 0.f;
if (x8_shakerX.x4_useModulation)
ret = x8_shakerX.x20_fm.GetValue();
if (x44_shakerY.x4_useModulation)
ret = std::max(ret, x44_shakerY.x20_fm.GetValue());
if (x80_shakerZ.x4_useModulation)
ret = std::max(ret, x80_shakerZ.x20_fm.GetValue());
return ret;
}
CCameraShakeData CCameraShakeData::LoadCameraShakeData(CInputStream& in) {
const float xMag = in.readFloatBig();
in.readFloatBig();
const float yMag = in.readFloatBig();
in.readFloatBig();
const float zMag = in.readFloatBig();
in.readFloatBig();
const float duration = in.readFloatBig();
const SCameraShakePoint xAM(false, 0.f, 0.f, duration, 2.f * xMag);
const SCameraShakePoint yAM(false, 0.f, 0.f, duration, 2.f * yMag);
const SCameraShakePoint zAM(false, 0.f, 0.f, duration, 2.f * zMag);
const SCameraShakePoint xFM(false, 0.f, 0.f, 0.5f * duration, 3.f);
const SCameraShakePoint yFM(false, 0.f, 0.f, 0.5f * duration, 0.f);
const SCameraShakePoint zFM(false, 0.f, 0.f, 0.5f * duration, 3.f);
const CCameraShakerComponent shakerX(true, xAM, xFM);
const CCameraShakerComponent shakerY;
const CCameraShakerComponent shakerZ(true, zAM, zFM);
return {duration, 100.f, 0, zeus::skZero3f, shakerX, shakerY, shakerZ};
}
const CCameraShakeData CCameraShakeData::skChargedShotCameraShakeData{
0.3f,
100.f,
0,
zeus::skZero3f,
CCameraShakerComponent{},
CCameraShakerComponent{
true,
{false, 0.f, 0.f, 0.3f, -1.f},
{true, 0.f, 0.f, 0.05f, 0.3f},
},
CCameraShakerComponent{},
};
} // namespace metaforce