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metaforce/Runtime/Weapon/CProjectileWeapon.cpp

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#include "Runtime/Weapon/CProjectileWeapon.hpp"
#include "Runtime/GameGlobalObjects.hpp"
#include "Runtime/Graphics/CBooRenderer.hpp"
#include "Runtime/Graphics/CModel.hpp"
#include "Runtime/Particle/CParticleGlobals.hpp"
namespace urde {
u16 CProjectileWeapon::g_GlobalSeed = 99;
CProjectileWeapon::CProjectileWeapon(const TToken<CWeaponDescription>& wDesc, const zeus::CVector3f& worldOffset,
const zeus::CTransform& localToWorld, const zeus::CVector3f& scale, s32 flags)
: x4_weaponDesc(wDesc)
, x10_random(g_GlobalSeed)
, x14_localToWorldXf(localToWorld)
, x74_worldOffset(worldOffset)
, xe4_flags(flags) {
x124_24_active = true;
CGlobalRandom gr(x10_random);
x124_31_VMD2 = x4_weaponDesc->x10_VMD2;
x124_25_APSO = x4_weaponDesc->x28_APSO;
if (x4_weaponDesc->x34_APSM) {
xfc_APSMGen = std::make_unique<CElementGen>(
x4_weaponDesc->x34_APSM.m_token, CElementGen::EModelOrientationType::Normal,
(xe4_flags & 0x1) == 0x1 ? CElementGen::EOptionalSystemFlags::Two : CElementGen::EOptionalSystemFlags::One);
xfc_APSMGen->SetGlobalScale(scale);
}
if (x4_weaponDesc->x44_APS2) {
x100_APS2Gen = std::make_unique<CElementGen>(
x4_weaponDesc->x44_APS2.m_token, CElementGen::EModelOrientationType::Normal,
(xe4_flags & 0x1) == 0x1 ? CElementGen::EOptionalSystemFlags::Two : CElementGen::EOptionalSystemFlags::One);
x100_APS2Gen->SetGlobalScale(scale);
}
if (x4_weaponDesc->x54_ASW1) {
x118_swoosh1 = std::make_unique<CParticleSwoosh>(x4_weaponDesc->x54_ASW1.m_token, 0);
x118_swoosh1->SetGlobalScale(scale);
}
if (x4_weaponDesc->x64_ASW2) {
x11c_swoosh2 = std::make_unique<CParticleSwoosh>(x4_weaponDesc->x64_ASW2.m_token, 0);
x11c_swoosh2->SetGlobalScale(scale);
}
if (x4_weaponDesc->x74_ASW3) {
x120_swoosh3 = std::make_unique<CParticleSwoosh>(x4_weaponDesc->x74_ASW3.m_token, 0);
x120_swoosh3->SetGlobalScale(scale);
}
if (CIntElement* pslt = x4_weaponDesc->x14_PSLT.get())
pslt->GetValue(0, xe8_lifetime);
else
xe8_lifetime = 0x7FFFFF;
if (CVectorElement* ivec = x4_weaponDesc->x4_IVEC.get())
ivec->GetValue(0, xb0_velocity);
if (CVectorElement* iorn = x4_weaponDesc->x0_IORN.get()) {
zeus::CTransform xf;
zeus::CVector3f orn;
iorn->GetValue(0, orn);
xf.rotateLocalX(zeus::degToRad(orn.x()));
xf.rotateLocalY(zeus::degToRad(orn.y()));
xf.rotateLocalZ(zeus::degToRad(orn.z()));
SetRelativeOrientation(xf);
} else {
SetRelativeOrientation(zeus::CTransform());
}
if (x4_weaponDesc->x84_OHEF)
x108_model.emplace(x4_weaponDesc->x84_OHEF.m_token);
x124_26_AP11 = x4_weaponDesc->x2a_AP11;
x124_27_AP21 = x4_weaponDesc->x2b_AP21;
x124_28_AS11 = x4_weaponDesc->x2c_AS11;
x124_29_AS12 = x4_weaponDesc->x2d_AS12;
x124_30_AS13 = x4_weaponDesc->x2e_AS13;
UpdateChildParticleSystems(1.f / 60.f);
}
zeus::CTransform CProjectileWeapon::GetTransform() const { return x14_localToWorldXf * x44_localXf; }
zeus::CVector3f CProjectileWeapon::GetTranslation() const {
return x14_localToWorldXf * (x44_localXf * x8c_projOffset + x80_localOffset) + x74_worldOffset;
}
std::optional<zeus::CAABox> CProjectileWeapon::GetBounds() const {
zeus::CAABox aabb;
bool ret = false;
if (xfc_APSMGen) {
if (auto b = xfc_APSMGen->GetBounds()) {
aabb.accumulateBounds(*b);
ret = true;
}
}
if (x100_APS2Gen) {
if (auto b = x100_APS2Gen->GetBounds()) {
aabb.accumulateBounds(*b);
ret = true;
}
}
if (x118_swoosh1) {
if (auto b = x118_swoosh1->GetBounds()) {
aabb.accumulateBounds(*b);
ret = true;
}
}
if (x11c_swoosh2) {
if (auto b = x11c_swoosh2->GetBounds()) {
aabb.accumulateBounds(*b);
ret = true;
}
}
if (x120_swoosh3) {
if (auto b = x120_swoosh3->GetBounds()) {
aabb.accumulateBounds(*b);
ret = true;
}
}
if (ret) {
return {aabb};
}
return std::nullopt;
}
float CProjectileWeapon::GetAudibleFallOff() const {
if (!x4_weaponDesc->x94_COLR)
return 0.f;
return x4_weaponDesc->x94_COLR.m_res->GetAudibleFallOff();
}
float CProjectileWeapon::GetAudibleRange() const {
if (!x4_weaponDesc->x94_COLR)
return 0.f;
return x4_weaponDesc->x94_COLR.m_res->GetAudibleRange();
}
std::optional<TLockedToken<CDecalDescription>>
CProjectileWeapon::GetDecalForCollision(EWeaponCollisionResponseTypes type) const {
if (!x4_weaponDesc->x94_COLR) {
return std::nullopt;
}
return x4_weaponDesc->x94_COLR.m_res->GetDecalDescription(type);
}
s32 CProjectileWeapon::GetSoundIdForCollision(EWeaponCollisionResponseTypes type) const {
if (!x4_weaponDesc->x94_COLR)
return -1;
return x4_weaponDesc->x94_COLR.m_res->GetSoundEffectId(type);
}
std::optional<TLockedToken<CGenDescription>> CProjectileWeapon::CollisionOccured(
EWeaponCollisionResponseTypes type, bool deflected, bool useTarget, const zeus::CVector3f& pos,
const zeus::CVector3f& normal, const zeus::CVector3f& target) {
x80_localOffset = x14_localToWorldXf.transposeRotate(pos - x74_worldOffset) - x8c_projOffset;
zeus::CVector3f posToTarget = target - GetTranslation();
if (deflected) {
if (useTarget && posToTarget.canBeNormalized()) {
SetWorldSpaceOrientation(zeus::lookAt(zeus::skZero3f, posToTarget.normalized()));
} else {
zeus::CTransform xf = GetTransform();
SetWorldSpaceOrientation(
zeus::lookAt(zeus::skZero3f, xf.basis[1] - normal * (normal.dot(xf.basis[1]) * 2.f), normal));
}
return std::nullopt;
} else {
x124_24_active = false;
if (xfc_APSMGen) {
xfc_APSMGen->SetParticleEmission(false);
}
if (x100_APS2Gen) {
x100_APS2Gen->SetParticleEmission(false);
}
if (x118_swoosh1) {
x118_swoosh1->SetParticleEmission(false);
}
if (x11c_swoosh2) {
x11c_swoosh2->SetParticleEmission(false);
}
if (x120_swoosh3) {
x120_swoosh3->SetParticleEmission(false);
}
if (!x4_weaponDesc->x94_COLR) {
return std::nullopt;
}
return x4_weaponDesc->x94_COLR.m_res->GetParticleDescription(type);
}
}
void CProjectileWeapon::RenderParticles() const {
if (xfc_APSMGen)
xfc_APSMGen->Render();
if (x100_APS2Gen)
x100_APS2Gen->Render();
if (x118_swoosh1)
x118_swoosh1->Render();
if (x11c_swoosh2)
x11c_swoosh2->Render();
if (x120_swoosh3)
x120_swoosh3->Render();
if (x104_)
x104_->Render();
}
void CProjectileWeapon::AddToRenderer() {
if (xfc_APSMGen)
g_Renderer->AddParticleGen(*xfc_APSMGen);
if (x100_APS2Gen)
g_Renderer->AddParticleGen(*x100_APS2Gen);
if (x118_swoosh1)
g_Renderer->AddParticleGen(*x118_swoosh1);
if (x11c_swoosh2)
g_Renderer->AddParticleGen(*x11c_swoosh2);
if (x120_swoosh3)
g_Renderer->AddParticleGen(*x120_swoosh3);
if (x104_)
g_Renderer->AddParticleGen(*x104_);
}
void CProjectileWeapon::Render() {
if (xf4_curFrame > xe8_lifetime || !x124_24_active || !x108_model)
return;
CGraphics::SetModelMatrix(
zeus::CTransform::Translate(x74_worldOffset) * x14_localToWorldXf *
zeus::CTransform::Translate(x44_localXf * x8c_projOffset + x80_localOffset + xa4_localOffset2) *
zeus::CTransform::Scale(x98_scale) * x44_localXf);
std::vector<CLight> useLights;
useLights.push_back(CLight::BuildLocalAmbient({}, xc8_ambientLightColor));
(**x108_model).GetInstance().ActivateLights(useLights);
CModelFlags flags(0, 0, 3, zeus::skWhite);
(*x108_model)->Draw(flags);
}
bool CProjectileWeapon::IsSystemDeletable() const {
if (xfc_APSMGen && !xfc_APSMGen->IsSystemDeletable())
return false;
if (x100_APS2Gen && !x100_APS2Gen->IsSystemDeletable())
return false;
if (x118_swoosh1 && !x118_swoosh1->IsSystemDeletable())
return false;
if (x11c_swoosh2 && !x11c_swoosh2->IsSystemDeletable())
return false;
if (x120_swoosh3 && !x120_swoosh3->IsSystemDeletable())
return false;
if (x104_ && !x104_->IsSystemDeletable())
return false;
if (x124_24_active)
return xf4_curFrame >= xe8_lifetime;
return true;
}
void CProjectileWeapon::UpdateChildParticleSystems(float dt) {
double useDt;
if (zeus::close_enough(dt, 1.f / 60.f))
useDt = 1.0 / 60.0;
else
useDt = dt;
if (xfc_APSMGen) {
if (xf8_lastParticleFrame != xf4_curFrame) {
if (xf4_curFrame > xe8_lifetime) {
xfc_APSMGen->SetParticleEmission(false);
xfc_APSMGen->EndLifetime();
} else {
if (x124_26_AP11)
xfc_APSMGen->SetGlobalTranslation(GetTranslation());
else
xfc_APSMGen->SetTranslation(GetTranslation());
if (x124_25_APSO)
xfc_APSMGen->SetOrientation(GetTransform());
}
}
xfc_APSMGen->Update(useDt);
if (xfc_APSMGen->IsSystemDeletable())
xfc_APSMGen.reset();
}
if (x100_APS2Gen) {
if (xf8_lastParticleFrame != xf4_curFrame) {
if (xf4_curFrame > xe8_lifetime) {
x100_APS2Gen->SetParticleEmission(false);
x100_APS2Gen->EndLifetime();
} else {
if (x124_27_AP21)
x100_APS2Gen->SetGlobalTranslation(GetTranslation());
else
x100_APS2Gen->SetTranslation(GetTranslation());
if (x124_25_APSO)
x100_APS2Gen->SetOrientation(GetTransform());
}
}
x100_APS2Gen->Update(useDt);
if (x100_APS2Gen->IsSystemDeletable())
x100_APS2Gen.reset();
}
if (x118_swoosh1) {
if (xf8_lastParticleFrame != xf4_curFrame) {
if (xf4_curFrame > xe8_lifetime) {
x118_swoosh1->SetParticleEmission(false);
} else {
if (x124_28_AS11)
x118_swoosh1->SetGlobalTranslation(GetTranslation());
else
x118_swoosh1->SetTranslation(GetTranslation());
x118_swoosh1->SetOrientation(GetTransform());
}
}
x118_swoosh1->DoWarmupUpdate();
if (x118_swoosh1->IsSystemDeletable())
x118_swoosh1.reset();
}
if (x11c_swoosh2) {
if (xf8_lastParticleFrame != xf4_curFrame) {
if (xf4_curFrame > xe8_lifetime) {
x11c_swoosh2->SetParticleEmission(false);
} else {
if (x124_29_AS12)
x11c_swoosh2->SetGlobalTranslation(GetTranslation());
else
x11c_swoosh2->SetTranslation(GetTranslation());
x11c_swoosh2->SetOrientation(GetTransform());
}
}
x11c_swoosh2->DoWarmupUpdate();
if (x11c_swoosh2->IsSystemDeletable())
x11c_swoosh2.reset();
}
if (x120_swoosh3) {
if (xf8_lastParticleFrame != xf4_curFrame) {
if (xf4_curFrame > xe8_lifetime) {
x120_swoosh3->SetParticleEmission(false);
} else {
if (x124_30_AS13)
x120_swoosh3->SetGlobalTranslation(GetTranslation());
else
x120_swoosh3->SetTranslation(GetTranslation());
x120_swoosh3->SetOrientation(GetTransform());
}
}
x120_swoosh3->DoWarmupUpdate();
if (x120_swoosh3->IsSystemDeletable())
x120_swoosh3.reset();
}
if (x104_) {
x104_->Update(useDt);
if (x104_->IsSystemDeletable())
x104_.reset();
}
xf8_lastParticleFrame = xf4_curFrame;
}
void CProjectileWeapon::UpdatePSTranslationAndOrientation() {
if (xe8_lifetime < xf4_curFrame || !x124_24_active)
return;
if (CModVectorElement* psvm = x4_weaponDesc->xc_PSVM.get())
psvm->GetValue(xf4_curFrame, xb0_velocity, x80_localOffset);
if (x124_31_VMD2)
x80_localOffset += x44_localXf * xb0_velocity;
else
x80_localOffset += xb0_velocity;
xb0_velocity += xbc_gravity / 60.f;
if (CVectorElement* psov = x4_weaponDesc->x8_PSOV.get()) {
zeus::CVector3f orient;
psov->GetValue(xf4_curFrame, orient);
zeus::CTransform xf = x44_localXf;
xf.rotateLocalX(zeus::degToRad(orient.x()));
xf.rotateLocalY(zeus::degToRad(orient.y()));
xf.rotateLocalZ(zeus::degToRad(orient.z()));
SetRelativeOrientation(xf);
}
if (CVectorElement* pscl = x4_weaponDesc->x18_PSCL.get())
pscl->GetValue(xf4_curFrame, x98_scale);
if (CColorElement* pcol = x4_weaponDesc->x1c_PCOL.get())
pcol->GetValue(xf4_curFrame, xc8_ambientLightColor);
if (CVectorElement* pofs = x4_weaponDesc->x20_POFS.get())
pofs->GetValue(xf4_curFrame, xa4_localOffset2);
if (CVectorElement* ofst = x4_weaponDesc->x24_OFST.get())
ofst->GetValue(xf4_curFrame, x8c_projOffset);
}
void CProjectileWeapon::SetWorldSpaceOrientation(const zeus::CTransform& xf) {
x44_localXf = x14_localToWorldXf.inverse() * xf;
}
void CProjectileWeapon::UpdateParticleFX() {
for (int i = 0; i < xec_childSystemUpdateRate; ++i)
UpdateChildParticleSystems(1.f / 60.f);
}
void CProjectileWeapon::Update(float dt) {
CGlobalRandom gr(x10_random);
xec_childSystemUpdateRate = 0;
double useDt;
if (zeus::close_enough(dt, 1.f / 60.f))
useDt = 1.0 / 60.0;
else
useDt = dt;
useDt = std::max(0.0, useDt);
xd0_curTime += useDt;
double actualTime = xf4_curFrame * (1.0 / 60.0);
while (actualTime < xd0_curTime && !zeus::close_enough(actualTime, xd0_curTime)) {
if (xf4_curFrame < xe8_lifetime) {
CParticleGlobals::instance()->SetEmitterTime(xf4_curFrame);
CParticleGlobals::instance()->SetParticleLifetime(xe8_lifetime);
CParticleGlobals::instance()->UpdateParticleLifetimeTweenValues(xf4_curFrame);
UpdatePSTranslationAndOrientation();
}
actualTime += (1.0 / 60.0);
++xf4_curFrame;
++xec_childSystemUpdateRate;
}
if (zeus::close_enough(actualTime, xd0_curTime))
xd0_curTime = actualTime;
xd8_remainderTime = (actualTime - xd0_curTime) * 60.0;
if (xf4_curFrame < xe8_lifetime) {
xe0_maxTurnRate = 0.f;
if (CRealElement* trat = x4_weaponDesc->x30_TRAT.get())
trat->GetValue(0, xe0_maxTurnRate);
}
}
} // namespace urde
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