mirror of https://github.com/AxioDL/metaforce.git
79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
#include "CEmitterElement.hpp"
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#include "CRandom16.hpp"
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/* Documentation at: http://www.metroid2002.com/retromodding/wiki/Particle_Script#Emitter_Elements */
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namespace pshag
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{
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bool CEESimpleEmitter::GetValue(int frame, Zeus::CVector3f& pPos, Zeus::CVector3f& pVel) const
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{
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x4_loc->GetValue(frame, pPos);
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if (x8_vec)
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x8_vec->GetValue(frame, pVel);
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else
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pVel = Zeus::CVector3f();
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return false;
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}
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bool CVESphere::GetValue(int frame, Zeus::CVector3f& pPos, Zeus::CVector3f& pVel) const
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{
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Zeus::CVector3f a;
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x4_sphereOrigin->GetValue(frame, a);
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float b;
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x8_sphereRadius->GetValue(frame, b);
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CRandom16* rand = CRandom16::GetRandomNumber();
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int rand1 = rand->Range(-100, 100);
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int rand2 = rand->Range(-100, 100);
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int rand3 = rand->Range(-100, 100);
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Zeus::CVector3f normVec1 = Zeus::CVector3f(0.0099999998f * float(rand3),
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0.0099999998f * float(rand2),
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0.0099999998f * float(rand1));
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if (normVec1.canBeNormalized())
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normVec1.normalize();
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pPos = b * normVec1 + a;
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Zeus::CVector3f normVec2 = (pPos - a);
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if (normVec2.canBeNormalized())
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normVec2.normalize();
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float c;
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xc_velocityMag->GetValue(frame, c);
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pVel = c * normVec2;
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return false;
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}
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bool CVEAngleSphere::GetValue(int frame, Zeus::CVector3f& pPos, Zeus::CVector3f& pVel) const
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{
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Zeus::CVector3f a;
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x4_sphereOrigin->GetValue(frame, a);
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float b, d, e, f, g;
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x8_sphereRadius->GetValue(frame, b);
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x10_angleXBias->GetValue(frame, d);
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x14_angleYBias->GetValue(frame, e);
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x18_angleXRange->GetValue(frame, f);
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x1c_angleYRange->GetValue(frame, g);
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CRandom16* rand = CRandom16::GetRandomNumber();
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d = (d + ((0.5f * (f * rand->Float())) - f)) * M_PI / 180.f;
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e = (e + ((0.5f * (g * rand->Float())) - g)) * M_PI / 180.f;
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float cosD = Zeus::Math::fastCosR(d);
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pPos.x = a.x + (b * (-Zeus::Math::fastSinR(e) * cosD));
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pPos.y = a.y + (b * Zeus::Math::fastSinR(d));
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pPos.z = a.z + (b * (cosD * cosD));
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Zeus::CVector3f normVec = (pPos - a).normalized();
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float c;
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xc_velocityMag->GetValue(frame, c);
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pVel = c * normVec;
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return false;
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}
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}
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