metaforce/Runtime/Particle/CRealElement.cpp

320 lines
7.2 KiB
C++

#include "CRealElement.hpp"
#include "CParticleGlobals.hpp"
#include "CRandom16.hpp"
#include <math.h>
namespace Retro
{
CREKeyframeEmitter::CREKeyframeEmitter(CInputStream& in)
{
x4_percent = in.readUint32Big();
x8_unk1 = in.readUint32Big();
xc_loop = in.readBool();
xd_unk2 = in.readBool();
x10_loopEnd = in.readUint32Big();
x14_loopStart = in.readUint32Big();
u32 count = in.readUint32Big();
x18_keys.reserve(count);
for (u32 i=0 ; i<count ; ++i)
x18_keys.push_back(in.readFloatBig());
}
bool CREKeyframeEmitter::GetValue(int frame, float& valOut) const
{
if (!x4_percent)
{
int emitterTime = CParticleGlobals::g_emitterTimeInt;
int calcKey = emitterTime;
if (xc_loop)
{
if (emitterTime >= x10_loopEnd)
{
int v1 = emitterTime - x14_loopStart;
int v2 = x10_loopEnd - x14_loopStart;
calcKey = v1 % v2;
calcKey += x14_loopStart;
}
}
else
{
int v1 = x10_loopEnd - 1;
if (v1 < emitterTime)
calcKey = v1;
}
valOut = x18_keys[calcKey];
}
else
{
int ltPerc = CParticleGlobals::g_particleLifetimePercentTweenInt;
float ltPercRem = CParticleGlobals::g_particleLifetimePercentTweenIntFloatRem;
if (ltPerc == 100)
valOut = x18_keys[100];
else
valOut = ltPercRem * x18_keys[ltPerc+1] + (1.0f - ltPercRem) * x18_keys[ltPerc];
}
return false;
}
bool CRELifetimeTween::GetValue(int frame, float& valOut) const
{
float ltFac = frame / CParticleGlobals::g_particleLifetimeFloat;
float a, b;
x4_a->GetValue(frame, a);
x8_b->GetValue(frame, b);
valOut = b * ltFac + (1.0f - ltFac) * a;
return false;
}
bool CREConstant::GetValue(int frame, float& valOut) const
{
valOut = x4_val;
return false;
}
bool CRETimeChain::GetValue(int frame, float& valOut) const
{
int v;
xc_swFrame->GetValue(frame, v);
if (frame >= v)
return x8_b->GetValue(frame, valOut);
else
return x4_a->GetValue(frame, valOut);
}
bool CREAdd::GetValue(int frame, float& valOut) const
{
float a, b;
x4_a->GetValue(frame, a);
x8_b->GetValue(frame, b);
valOut = a + b;
return false;
}
bool CREClamp::GetValue(int frame, float &valOut) const
{
float a, b;
x4_min->GetValue(frame, a);
x8_max->GetValue(frame, b);
xc_val->GetValue(frame, valOut);
if (valOut > b)
valOut = b;
if (valOut < a)
valOut = a;
return false;
}
bool CRERandom::GetValue(int frame, float& valOut) const
{
float a, b;
x4_min->GetValue(frame, a);
x8_max->GetValue(frame, b);
float rand = CRandom16::GetRandomNumber()->Float();
valOut = b * rand + a * (1.0f - rand);
return false;
}
bool CREPulse::GetValue(int frame, float& valOut) const
{
int a, b;
x4_aDuration->GetValue(frame, a);
x8_bDuration->GetValue(frame, b);
int cv = std::max(1, a + b + 1);
if (b >= 1)
{
int cv2 = frame % cv;
if (cv2 >= a)
x10_valB->GetValue(frame, valOut);
else
xc_valA->GetValue(frame, valOut);
}
else
xc_valA->GetValue(frame, valOut);
return false;
}
bool CRETimeScale::GetValue(int frame, float& valOut) const
{
float a;
x4_a->GetValue(frame, a);
valOut = float(frame) * a;
return false;
}
bool CRELifetimePercent::GetValue(int frame, float& valOut) const
{
float a;
x4_percentVal->GetValue(frame, a);
a = std::max(0.0f, a);
valOut = (a / 100.0f) * CParticleGlobals::g_particleLifetimeFloat;
return false;
}
bool CRESineWave::GetValue(int frame, float& valOut) const
{
float a, b, c;
x4_magnitude->GetValue(frame, a);
x8_linearFrame->GetValue(frame, b);
xc_constantFrame->GetValue(frame, c);
valOut = sinf((frame * b + c) * M_PI / 180.f) * a;
return false;
}
bool CREISWT::GetValue(int frame, float& valOut) const
{
if (frame == 0)
x4_a->GetValue(frame, valOut);
else
x8_b->GetValue(frame, valOut);
return false;
}
bool CRECompareLessThan::GetValue(int frame, float& valOut) const
{
float a, b;
x4_a->GetValue(frame, a);
x8_b->GetValue(frame, b);
if (a < b)
xc_c->GetValue(frame, valOut);
else
x10_d->GetValue(frame, valOut);
return false;
}
bool CRECompareEquals::GetValue(int frame, float& valOut) const
{
float a, b;
x4_a->GetValue(frame, a);
x8_b->GetValue(frame, b);
if (fabsf(a-b) < 0.00001)
xc_c->GetValue(frame, valOut);
else
x10_d->GetValue(frame, valOut);
return false;
}
bool CREParticleAccessParam1::GetValue(int frame, float& valOut) const
{
valOut = CParticleGlobals::g_papValues[0];
return false;
}
bool CREParticleAccessParam2::GetValue(int frame, float& valOut) const
{
valOut = CParticleGlobals::g_papValues[1];
return false;
}
bool CREParticleAccessParam3::GetValue(int frame, float& valOut) const
{
valOut = CParticleGlobals::g_papValues[2];
return false;
}
bool CREParticleAccessParam4::GetValue(int frame, float& valOut) const
{
valOut = CParticleGlobals::g_papValues[3];
return false;
}
bool CREParticleAccessParam5::GetValue(int frame, float& valOut) const
{
valOut = CParticleGlobals::g_papValues[4];
return false;
}
bool CREParticleAccessParam6::GetValue(int frame, float& valOut) const
{
valOut = CParticleGlobals::g_papValues[5];
return false;
}
bool CREParticleAccessParam7::GetValue(int frame, float& valOut) const
{
valOut = CParticleGlobals::g_papValues[6];
return false;
}
bool CREParticleAccessParam8::GetValue(int frame, float& valOut) const
{
valOut = CParticleGlobals::g_papValues[7];
return false;
}
bool CREPSLL::GetValue(int frame, float& valOut) const
{
valOut = CParticleGlobals::g_particleMetrics->x2c_psll;
return false;
}
bool CREPRLW::GetValue(int frame, float& valOut) const
{
valOut = CParticleGlobals::g_particleMetrics->x30_prlw;
return false;
}
bool CRESubtract::GetValue(int frame, float& valOut) const
{
float a, b;
x4_a->GetValue(frame, a);
x8_b->GetValue(frame, b);
valOut = a - b;
return false;
}
bool CREVectorMagnitude::GetValue(int frame, float& valOut) const
{
Zeus::CVector3f a;
x4_a->GetValue(frame, a);
valOut = a.magnitude();
return false;
}
bool CREVectorXToReal::GetValue(int frame, float& valOut) const
{
Zeus::CVector3f a;
x4_a->GetValue(frame, a);
valOut = a[0];
return false;
}
bool CREVectorYToReal::GetValue(int frame, float& valOut) const
{
Zeus::CVector3f a;
x4_a->GetValue(frame, a);
valOut = a[1];
return false;
}
bool CREVectorZToReal::GetValue(int frame, float& valOut) const
{
Zeus::CVector3f a;
x4_a->GetValue(frame, a);
valOut = a[2];
return false;
}
bool CRECEXT::GetValue(int frame, float& valOut) const
{
int a;
x4_a->GetValue(frame, a);
int cv = std::max(0, a);
/* TODO: Figure out how value table is generated/stored in 0-00 */
return false;
}
bool CREIntTimesReal::GetValue(int frame, float& valOut) const
{
int a;
x4_a->GetValue(frame, a);
float b;
x8_b->GetValue(frame, b);
valOut = float(a) * b;
return false;
}
}