metaforce/Runtime/World/CActorModelParticles.cpp

281 lines
8.2 KiB
C++

#include "CActorModelParticles.hpp"
#include "CStateManager.hpp"
#include "GameGlobalObjects.hpp"
#include "CSimplePool.hpp"
#include "CDependencyGroup.hpp"
#include "Particle/CElementGen.hpp"
#include "Particle/CParticleElectric.hpp"
#include "Particle/CGenDescription.hpp"
#include "World/CWorld.hpp"
#include "Graphics/CBooRenderer.hpp"
#include "Graphics/CSkinnedModel.hpp"
namespace urde
{
CActorModelParticles::CItem::CItem(const CEntity& ent, CActorModelParticles& parent)
: x0_id(ent.GetUniqueId()), x4_areaId(ent.GetAreaIdAlways()),
xdc_ashy(parent.x48_ashy), x128_parent(parent)
{
x8_.resize(8);
}
u32 GetNextBestPt(s32 start, const std::vector<std::pair<zeus::CVector3f, zeus::CVector3f>>& vn, CRandom16& rnd)
{
const zeus::CVector3f& startVec = vn[start].first;
u32 ret;
float lastMag = 0.f;
for (s32 i = 0; i < 10; ++i)
{
u32 idx = u32(rnd.Range(0, s32(vn.size()) - 1));
const zeus::CVector3f& rndVec = vn[idx].first;
float mag = (startVec - rndVec).magSquared();
if (mag > lastMag)
{
ret = idx;
lastMag = mag;
}
}
return ret;
}
void CActorModelParticles::CItem::GeneratePoints(const std::vector<std::pair<zeus::CVector3f, zeus::CVector3f>>& vn)
{
for (std::pair<std::unique_ptr<CElementGen>, u32>& pair: x8_)
{
if (pair.first)
{
CRandom16 rnd(pair.second);
const zeus::CVector3f& vec = vn[u32(rnd.Float() * (vn.size() - 1))].first;
pair.first->SetTranslation(xec_ * vec);
}
}
if (x84_ > 0)
{
CRandom16 rnd(x88_seed1);
u32 count = (x84_ >= 16 ? 16 : x84_);
zeus::CVector3f uVec = zeus::CVector3f::skUp;
u32 idx = x80_;
for (u32 i = 0; i < count; ++i)
{
idx = GetNextBestPt(idx, vn, rnd);
x78_->SetTranslation(xec_ * vn[idx].first);
zeus::CVector3f v = vn[idx].second;
if (v.canBeNormalized())
{
v.normalize();
x78_->SetOrientation(zeus::CTransform{zeus::CVector3f::skUp.cross(v), v, zeus::CVector3f::skUp,
zeus::CVector3f::skZero});
}
x78_->ForceParticleCreation(1);
}
x84_ -= count;
x88_seed1 = rnd.GetSeed();
}
if (xb0_ != -1)
{
CRandom16 rnd(xb4_seed2);
std::unique_ptr<CElementGen> iceGen = x128_parent.MakeIceGen();
iceGen->SetGlobalOrientAndTrans(xf8_);
u32 next = GetNextBestPt(xb0_, vn, rnd);
iceGen->SetTranslation(xec_ * vn[next].first);
iceGen->SetOrientation(zeus::CTransform::MakeRotationsBasedOnY(zeus::CUnitVector3f(vn[next].second)));
x8c_.push_back(std::move(iceGen));
xb0_ = (x8c_.size() == 4 ? -1 : next);
}
// TODO: Verify behavior
if (xc0_particleElectric && xc0_particleElectric->GetParticleEmission())
{
CRandom16 rnd(xcc_seed3);
u32 end = 1;
#if 0
if (4 < 1)
end = 4;
#endif
u32 lastRnd;
for (u32 i = 0; i < end; ++i)
{
xc0_particleElectric->SetOverrideIPos(vn[u32(rnd.Range(0, s32(vn.size()) - 1))].first * xec_);
lastRnd = u32(rnd.Range(0, s32(vn.size()) - 1));
xc0_particleElectric->SetOverrideFPos(vn[lastRnd].first * xec_);
xc0_particleElectric->ForceParticleCreation(1);
}
xcc_seed3 = rnd.GetSeed();
xc8_ = lastRnd;
}
// TODO: Finish
#if 0
if (xd4_)
{
xd4_->sub_8026A5E0(v1, v2, w1);
}
#endif
}
void CActorModelParticles::CItem::Update(float, CStateManager&)
{
}
static const char* ParticleDGRPs[] =
{
"Effect_OnFire_DGRP",
"Effect_Ash_DGRP",
"Effect_IceBreak_DGRP",
"Effect_FirePop_DGRP",
"Effect_IcePop_DGRP",
"Effect_Electric_DGRP",
};
std::pair<std::vector<CToken>, bool>
CActorModelParticles::GetParticleDGRPTokens(const char* name)
{
std::pair<std::vector<CToken>, bool> ret = {};
TToken<CDependencyGroup> dgrp = g_SimplePool->GetObj(name);
const auto& vector = dgrp->GetObjectTagVector();
ret.first.reserve(vector.size());
for (const SObjectTag& tag : vector)
ret.first.push_back(g_SimplePool->GetObj(tag));
return ret;
}
void CActorModelParticles::LoadParticleDGRPs()
{
for (int i=0 ; i<6 ; ++i)
x50_dgrps.push_back(GetParticleDGRPTokens(ParticleDGRPs[i]));
}
std::unique_ptr<CElementGen> CActorModelParticles::MakeOnFireGen() const
{
return std::make_unique<CElementGen>(x18_onFire);
}
std::unique_ptr<CElementGen> CActorModelParticles::MakeAshGen() const
{
return std::make_unique<CElementGen>(x20_ash);
}
std::unique_ptr<CElementGen> CActorModelParticles::MakeIceGen() const
{
return std::make_unique<CElementGen>(x28_iceBreak);
}
std::unique_ptr<CElementGen> CActorModelParticles::MakeFirePopGen() const
{
return std::make_unique<CElementGen>(x30_firePop);
}
std::unique_ptr<CElementGen> CActorModelParticles::MakeIcePopGen() const
{
return std::make_unique<CElementGen>(x38_icePop);
}
std::unique_ptr<CParticleElectric> CActorModelParticles::MakeElectricGen() const
{
return std::make_unique<CParticleElectric>(x40_electric);
}
CActorModelParticles::CActorModelParticles()
{
x18_onFire = g_SimplePool->GetObj("Effect_OnFire");
x20_ash = g_SimplePool->GetObj("Effect_Ash");
x28_iceBreak = g_SimplePool->GetObj("Effect_IceBreak");
x30_firePop = g_SimplePool->GetObj("Effect_FirePop");
x38_icePop = g_SimplePool->GetObj("Effect_IcePop");
x40_electric = g_SimplePool->GetObj("Effect_Electric");
x48_ashy = g_SimplePool->GetObj("TXTR_Ashy");
LoadParticleDGRPs();
}
void CActorModelParticles::AddStragglersToRenderer(const CStateManager& mgr)
{
bool isNotOne = mgr.GetParticleFlags() != 1;
bool isNotZero = mgr.GetParticleFlags() != 0;
for (CItem& item : x0_items)
{
if (item.x4_areaId != kInvalidAreaId)
{
const CGameArea* area = mgr.GetWorld()->GetAreaAlways(item.x4_areaId);
if (!area->IsPostConstructed())
continue;
CGameArea::EOcclusionState occState = area->GetPostConstructed()->x10dc_occlusionState;
if (occState == CGameArea::EOcclusionState::Occluded)
continue;
}
if (mgr.GetObjectById(item.x0_id) &&
((isNotOne && item.x12c_24_) || (isNotZero && item.x12c_25_)))
{
item.x12c_24_ = false;
item.x12c_25_ = false;
continue;
}
if (isNotOne)
{
for (int i=0 ; i<8 ; ++i)
{
std::unique_ptr<CElementGen>& gen = item.x8_[i].first;
if (gen)
g_Renderer->AddParticleGen(*gen);
}
if (mgr.GetParticleFlags() && item.x78_)
g_Renderer->AddParticleGen(*item.x78_);
if (item.xb8_)
g_Renderer->AddParticleGen(*item.xb8_);
if (item.xc0_particleElectric)
g_Renderer->AddParticleGen(*item.xc0_particleElectric);
}
if (isNotZero)
{
for (std::unique_ptr<CElementGen>& gen : item.x8c_)
g_Renderer->AddParticleGen(*gen);
if (item.xe4_)
g_Renderer->AddParticleGen(*item.xe4_);
}
if (isNotOne)
{
item.x12c_24_ = false;
item.x12c_25_ = false;
}
}
}
void CActorModelParticles::Update(float dt, CStateManager& mgr)
{
}
void CActorModelParticles::PointGenerator(void* ctx,
const std::vector<std::pair<zeus::CVector3f, zeus::CVector3f>>& vn)
{
reinterpret_cast<CItem*>(ctx)->GeneratePoints(vn);
}
void CActorModelParticles::SetupHook(TUniqueId uid)
{
auto search = FindSystem(uid);
if (search != x0_items.cend())
CSkinnedModel::SetPointGeneratorFunc((void*)&*search, PointGenerator);
}
std::list<CActorModelParticles::CItem>::const_iterator CActorModelParticles::FindSystem(TUniqueId uid) const
{
for (auto it = x0_items.cbegin() ; it != x0_items.cend() ; ++it)
if (it->x0_id == uid)
return it;
return x0_items.cend();
}
void CActorModelParticles::StartIce(CActor& actor, CStateManager& mgr)
{
}
}