initial flamethrower weapon implementation

Runtime/Collision/CCollisionInfo.hpp

@@ -9,6 +9,8 @@
 
 namespace urde {
 class CCollisionInfo {
+  friend class CCollisionInfoList;
+
   zeus::CVector3f x0_point;
   zeus::CVector3f xc_extentX;
   zeus::CVector3f x18_extentY;

Runtime/Collision/CCollisionInfoList.hpp

@@ -58,5 +58,35 @@ public:
   auto end() const noexcept { return x0_list.end(); }
   auto begin() noexcept { return x0_list.begin(); }
   auto begin() const noexcept { return x0_list.begin(); }
+
+  
+
+  
+  void AccumulateNewContactsInto(CCollisionInfoList& other_list) {
+    for (CCollisionInfo const& cur_info : x0_list) {
+      bool dont_add_new_info = false;
+      for (CCollisionInfo& other_info : other_list) {
+        if (!zeus::close_enough(other_info.GetPoint(), cur_info.GetPoint(), 0.1f)) {
+          continue;
+        }
+        zeus::CVector3f norm = other_info.GetNormalLeft().normalized();
+        if (zeus::close_enough(norm, cur_info.GetNormalLeft(), 1.2f)) {
+          dont_add_new_info = true;
+          other_info.x0_point = (other_info.x0_point + cur_info.x0_point) * 0.5f;
+          other_info.x38_materialLeft.Add(cur_info.x38_materialLeft);
+          other_info.x40_materialRight.Add(cur_info.x40_materialRight);
+          other_info.x48_normalLeft = other_info.x48_normalLeft + cur_info.x48_normalLeft;
+          break;
+        }
+      }
+      if (!dont_add_new_info) {
+        other_list.Add(cur_info, false);
+      }
+    }
+    for (CCollisionInfo& other_info : other_list.x0_list) {
+      other_info.x48_normalLeft.normalize();
+      other_info.x54_normalRight = -other_info.x48_normalLeft;
+    }
+  }
 };
 } // namespace urde

Runtime/Particle/CElementGen.hpp

@@ -155,6 +155,7 @@ public:
 
   CGenDescription* GetDesc() { return x1c_genDesc.GetObj(); }
   const SObjectTag* GetDescTag() const { return x1c_genDesc.GetObjectTag(); }
+  CGenDescription* GetLoadedDesc() { return x28_loadedGenDesc; }
 
   static bool g_ParticleSystemInitialized;
   static int g_ParticleAliveCount;
@@ -224,6 +225,10 @@ public:
   static void SetMoveRedToAlphaBuffer(bool move);
 
   s32 GetMaxParticles() const { return x90_MAXP; }
+  s32 GetMaxMaxParticles() const { return m_maxMAXP; }
+
+  std::vector<CParticle> const& GetParticles() const { return x30_particles; }
+  std::vector<CParticle> &GetParticles() { return x30_particles; }
 };
 ENABLE_BITWISE_ENUM(CElementGen::EOptionalSystemFlags)
 

Runtime/Particle/CParticleSwoosh.hpp

@@ -214,6 +214,10 @@ public:
       translation += transInc;
     }
   }
+
+  std::vector<SSwooshData> const& GetSwooshes() const { return x15c_swooshes; }
+  std::vector<SSwooshData>& GetSwooshes() { return x15c_swooshes; }
+  u32 GetCurParticle() const { return x158_curParticle; }
 };
 
 } // namespace urde

Runtime/Particle/CUVElement.cpp

@@ -49,8 +49,11 @@ void CUVEAnimTexture::GetValueUV(int frame, SUVElementSet& valOut) const {
 
   int tile = int(cvf);
   if (x24_loop) {
-    if (cvf >= float(x20_tiles)) {
+    // HACK
-      tile = int(cvf) % x20_tiles;
+    // Check bad values for cvf
+    tile = !(std::isnan(cvf) || std::isinf(cvf)) && int(cvf) >= 0 ? int(cvf) : 0;
+    if (tile >= x20_tiles) {
+      tile = tile % x20_tiles;
     }
   } else {
     if (cvf >= float(x20_tiles)) {

Runtime/Weapon/CNewFlameThrower.cpp

@@ -2,10 +2,29 @@
 
 #include "Runtime/CSimplePool.hpp"
 #include "Runtime/CStateManager.hpp"
+#include "Runtime/Collision/CCollisionInfoList.hpp"
 #include "Runtime/GameGlobalObjects.hpp"
+#include "Runtime/World/CGameArea.hpp"
 #include "Runtime/World/CGameLight.hpp"
+#include "Runtime/World/CPlayer.hpp"
+#include "Runtime/World/CWorld.hpp"
+#include "TCastTo.hpp"
+#include "Runtime/Collision/CCollisionPrimitive.hpp"
+
+#include "Runtime/World/CPatterned.hpp"
+#include "Runtime/MP1/World/CFlickerBat.hpp"
+#include "Runtime/World/CSnakeWeedSwarm.hpp"
+#include "Runtime/Collision/CMetroidAreaCollider.hpp"
+#include "Runtime/Collision/CGameCollision.hpp"
+#include "Runtime/Particle/CParticleGlobals.hpp"
+#include "Runtime/World/CScriptTrigger.hpp"
+#include "Runtime/Graphics/CBooRenderer.hpp"
 
 namespace urde {
+namespace {
+constexpr CMaterialFilter skExcludeProjectilePassthrough =
+    CMaterialFilter::MakeExclude(EMaterialTypes::ProjectilePassthrough);
+}
 
 CNewFlameThrower::CNewFlameThrower(const TToken<CWeaponDescription>& desc, std::string_view name, EWeaponType wType,
                                    const std::array<CAssetId, 8>& resInfo, const zeus::CTransform& xf,
@@ -27,22 +46,60 @@ CNewFlameThrower::CNewFlameThrower(const TToken<CWeaponDescription>& desc, std::
   x334_secondarySparks.GetObj();
   x340_swooshCenter.GetObj();
   x34c_swooshFire.GetObj();
-  x380_.resize(3);
+  x380_flameContactPoints.resize(3);
+}
+
+void CNewFlameThrower::Think(float dt, CStateManager& mgr) {
+  CWeapon::Think(dt, mgr);
+
+  TAreaId cur_area_id = mgr.GetWorld()->GetCurrentAreaId();
+  mgr.SetActorAreaId(*this, cur_area_id);
+
+  for (TUniqueId& light_id : x3b8_lightIds) {
+    CEntity* light = mgr.ObjectById(light_id);
+    if (light == nullptr) {
+      light_id = kInvalidUniqueId;
+    } else {
+      mgr.SetActorAreaId(*reinterpret_cast<CActor*>(light), cur_area_id);
+    }
+  }
+}
+
+void CNewFlameThrower::Accept(IVisitor& visitor) { visitor.Visit(this); }
+
+void CNewFlameThrower::AcceptScriptMsg(EScriptObjectMessage msg, TUniqueId uid, CStateManager& mgr) {
+  if (msg == EScriptObjectMessage::Deleted) {
+    mgr.RemoveWeaponId(GetOwnerId(), GetType());
+    DeleteLightObjects(mgr);
+    SetWorldLighting(mgr, mgr.GetPlayer().GetAreaIdAlways(), 4.f, 1.f);
+  } else if (msg == EScriptObjectMessage::Registered) {
+    xe6_27_thermalVisorFlags = 2; // Thermal hot
+    Think(1.f / 60.f, mgr);
+    mgr.AddWeaponId(xec_ownerId, xf0_weaponType);
+  }
+
+  CGameProjectile::AcceptScriptMsg(msg, uid, mgr);
 }
 
 void CNewFlameThrower::DeleteLightObjects(CStateManager& mgr) {
-  for (TUniqueId id : x3b8_lightIds)
+  for (TUniqueId const& id : x3b8_lightIds) {
     mgr.FreeScriptObject(id);
+  }
   x3b8_lightIds.clear();
 }
 
+void CNewFlameThrower::AddToRenderer(zeus::CFrustum const& planes, CStateManager& mgr) {
+  zeus::CAABox sorting_bounds = GetSortingBounds(mgr);
+  EnsureRendered(mgr, x34_transform.origin, sorting_bounds);
+}
+
 void CNewFlameThrower::CreateLightObjects(CStateManager& mgr) {
   DeleteLightObjects(mgr);
   for (int i = 0; i < 4; ++i) {
     TUniqueId uid = mgr.AllocateUniqueId();
     CLight lObj = x358_mainFireGen->GetLight();
-    CGameLight* light = new CGameLight(uid, GetAreaId(), false, "FlamethrowerLight", zeus::CTransform(),
+    CGameLight* light = new CGameLight(uid, GetAreaId(), false, "FlamethrowerLight", zeus::CTransform(), x8_uid, lObj,
-                                       x8_uid, lObj, u32(reinterpret_cast<uintptr_t>(this) + (i & 0x1)), 0, 0.f);
+                                       u32(reinterpret_cast<uintptr_t>(this) + (i & 0x1)), 0, 0.f);
     mgr.AddObject(light);
     x3b8_lightIds.push_back(uid);
   }
@@ -67,7 +124,7 @@ void CNewFlameThrower::StartFiring(const zeus::CTransform& xf, CStateManager& mg
   SetActive(true);
   x37c_25_firing = true;
   x37c_24_renderAuxEffects = true;
-  x374_ = 1;
+  x374_flameState = EFlameState::FireStart;
   EnableFx(mgr);
 }
 
@@ -83,8 +140,663 @@ bool CNewFlameThrower::AreEffectsFinished() const {
   return !(x368_secondarySparksGen && x368_secondarySparksGen->GetParticleCount() != 0);
 }
 
-void CNewFlameThrower::UpdateFx(const zeus::CTransform& xf, float dt, CStateManager& mgr) {}
+/* Used for old CNewFlameThrower::RenderParticles
 
-void CNewFlameThrower::Reset(CStateManager& mgr, bool deactivate) {}
+void CNewFlameThrower::LoadParticleGenQuads() {
+  if (!loaded_textures) {
+    beam_filters[0] = std::make_unique<CTexturedQuadFilter>(
+        EFilterType::Add, x358_mainFireGen->GetLoadedDesc()->x54_x40_TEXR->GetValueTexture(0));
+    beam_filters[1] = std::make_unique<CTexturedQuadFilter>(
+        EFilterType::Add, x35c_mainSmokeGen->GetLoadedDesc()->x54_x40_TEXR->GetValueTexture(0));
+    beam_filters[2] = std::make_unique<CTexturedQuadFilter>(
+        EFilterType::Add, x360_secondarySmokeGen->GetLoadedDesc()->x54_x40_TEXR->GetValueTexture(0));
+    beam_filters[3] = std::make_unique<CTexturedQuadFilter>(
+        EFilterType::Add, x364_secondaryFireGen->GetLoadedDesc()->x54_x40_TEXR->GetValueTexture(0));
+    beam_filters[4] = std::make_unique<CTexturedQuadFilter>(
+        EFilterType::Add, x368_secondarySparksGen->GetLoadedDesc()->x54_x40_TEXR->GetValueTexture(0));
+    loaded_textures = true;
+  }
+}
+*/
+
+void CNewFlameThrower::Render(CStateManager& mgr) {
+  if (x30_24_active) {
+    x36c_swooshCenterGen->Render();
+    x370_swooshFireGen->Render();
+
+    x368_secondarySparksGen->Render();
+    x364_secondaryFireGen->Render();
+    x360_secondarySmokeGen->Render();
+    x35c_mainSmokeGen->Render();
+    x358_mainFireGen->Render();
+
+    /*RenderBeam({x358_mainFireGen.get(), x35c_mainSmokeGen.get(), x360_secondarySmokeGen.get(),
+                x364_secondaryFireGen.get(), x368_secondarySparksGen.get()});*/
+  }
+}
+
+/* Removed this, source function was painfully similar to CElementGen::RenderParticles
+
+void CNewFlameThrower::RenderParticles(std::array<CElementGen*, 5> const& elem_gens) {
+  LoadParticleGenQuads();
+  zeus::CTransform xf(CGraphics::g_ViewMatrix);
+  zeus::CTransform xf2 = xf;
+  xf2.origin = zeus::skZero3f;
+  zeus::CTransform xf3 = xf2.inverse();
+  zeus::CTransform xf4 = xf3;
+  // CGraphics::SetModelMatrix(xf2);
+  // CGraphics::SetCullMode(ERglCullMode::None);
+  // CGraphics::SetDepthWriteMode(true, ERglEnum::LEqual, false);
+  // CGraphics::SetAlphaCompare(ERglAlphaFunc::Always, 0, ERglAlphaOp::And, ERglAlphaFunc::Always, 0);
+
+  // TODO: check sMoveRedToAlphaBuffer
+
+  // CGraphics::SetBlendMode(ERglBlendMode::Blend, ERglBlendFactor::One, ERglBlendFactor::One, ERglLogicOp::Clear);
+  int total_particles = 0;
+  for (CElementGen* elem : elem_gens) {
+    total_particles += elem->GetParticleCount();
+  }
+
+  // This is... something isn't it
+  struct ParticleElement {
+    u16 elem_gen_idx;
+    u16 part_idx;
+    zeus::CVector3f vec;
+  };
+
+  auto* translated_sorted_particles =
+      reinterpret_cast<ParticleElement*>(_alloca(sizeof(ParticleElement) * total_particles));
+  int active_particle_count = 0;
+
+  for (int i = 0; i < elem_gens.size(); i++) {
+    CElementGen* elem = elem_gens[i];
+
+    int iter_count = elem->GetParticleCount();
+    for (int j = 0; j < iter_count; j++) {
+      CParticle& part = elem->GetParticles()[j];
+      if (part.x0_endFrame == -1) {
+        continue;
+      }
+
+      // ????
+      // translated_sorted_particles[part_idx].vec = xf4 * part.x4_pos;
+      translated_sorted_particles[active_particle_count].vec =
+          xf4 * (((part.x4_pos - part.x10_prevPos) * elem->GetTimeDeltaScale()) + part.x10_prevPos);
+      translated_sorted_particles[active_particle_count].elem_gen_idx = static_cast<u16>(i);
+      translated_sorted_particles[active_particle_count].part_idx = static_cast<u16>(j);
+
+      active_particle_count++;
+    }
+  }
+  Log.report(logvisor::Info, FMT_STRING("Active particle count (render count) {}"), active_particle_count);
+  std::sort(translated_sorted_particles, translated_sorted_particles + active_particle_count,
+            [](ParticleElement const& l, ParticleElement const& r) { return l.vec.y() > r.vec.y(); });
+
+  int last_gen_idx = 0xffff;
+  CElementGen* cur_gen = nullptr;
+  CGenDescription* gen_desc = nullptr;
+  u32 emitter_time = 0;
+
+  for (int i = 0; i < active_particle_count; i++) {
+    ParticleElement* pe = translated_sorted_particles + i;
+    if (pe->elem_gen_idx != last_gen_idx) {
+      cur_gen = elem_gens[pe->elem_gen_idx];
+
+      emitter_time = cur_gen->GetEmitterTime();
+      gen_desc = cur_gen->GetLoadedDesc();
+      if (CElementGen::sMoveRedToAlphaBuffer) {
+        // TEV stuff
+      } else {
+        if (gen_desc->x44_26_x30_26_AAPH) {
+          // CGraphics::SetBlendMode(ERglBlendMode::Blend, ERglBlendFactor::SrcAlpha, ERglBlendFactor::One,
+          //                         ERglLogicOp::Clear);
+        } else {
+          // CGraphics::SetBlendMode(ERglBlendMode::Blend, ERglBlendFactor::SrcAlpha, ERglBlendFactor::InvSrcAlpha,
+          //                         ERglLogicOp::Clear);
+        }
+      }
+      // more TEV stuff
+      last_gen_idx = pe->elem_gen_idx;
+    }
+    CParticle& part = cur_gen->GetParticles()[pe->part_idx];
+
+    u32 elapsed_time = emitter_time - part.x28_startFrame - 1;
+    CParticleGlobals::instance()->SetParticleLifetime(part.x0_endFrame - part.x28_startFrame);
+    CParticleGlobals::instance()->UpdateParticleLifetimeTweenValues(elapsed_time);
+    SUVElementSet uvs;
+
+    xf3 = xf2.inverse();
+    zeus::CTransform system_camera_matrix = xf3 * cur_gen->x22c_globalOrientation;
+    xf3 = ((zeus::CTransform::Translate(cur_gen->xe8_globalTranslation) * cur_gen->x10c_globalScaleTransform) * xf3) *
+          cur_gen->x178_localScaleTransform;
+    g_Renderer->SetModelMatrix(xf3);
+
+    gen_desc->x54_x40_TEXR->GetValueUV(elapsed_time, uvs);
+    float ang = zeus::degToRad(part.x30_lineWidthOrRota);
+    float size = part.x2c_lineLengthOrSize * 0.5f;
+    float sin_extent = sinf(ang) * size;
+    float cos_extent = cosf(ang) * size;
+    std::array<CTexturedQuadFilter::Vert, 4> vertices;
+    zeus::CVector3f simd_vec(sin_extent + cos_extent, 0, cos_extent - sin_extent);
+    vertices[0].m_pos = pe->vec + zeus::CVector3f(sin_extent + cos_extent, 0, cos_extent - sin_extent);
+    vertices[0].m_uv = zeus::CVector2f(uvs.xMax, uvs.yMax);
+
+    vertices[1].m_pos = pe->vec - zeus::CVector3f(sin_extent - cos_extent, 0, sin_extent + cos_extent);
+    vertices[1].m_uv = zeus::CVector2f(uvs.xMin, uvs.yMax);
+
+    vertices[2].m_pos = pe->vec - zeus::CVector3f(sin_extent + cos_extent, 0, cos_extent - sin_extent);
+    vertices[2].m_uv = zeus::CVector2f(uvs.xMin, uvs.yMin);
+
+    vertices[3].m_pos = pe->vec + zeus::CVector3f(sin_extent - cos_extent, 0, sin_extent + cos_extent);
+    vertices[3].m_uv = zeus::CVector2f(uvs.xMin, uvs.yMax);
+
+    beam_filters[pe->elem_gen_idx]->drawVerts(part.x34_color, vertices);
+  }
+}
+*/
+
+void CNewFlameThrower::UpdateFx(const zeus::CTransform& xf, float dt, CStateManager& mgr) {
+  if (!x30_24_active) {
+    return;
+  }
+  float active_time =
+      0; // g_Main.x118_avgTickTimePerSec + g_Main.x11c_avgDrawTimePerSec; omitting this until handled by URDE
+  x37c_26_runningSlowish = (active_time > 0.65f);
+  UpdateFlameState(dt, mgr);
+  zeus::CVector3f org = xf.origin;
+  zeus::CTransform rot = xf.getRotation();
+  zeus::CTransform rot_copy(rot);
+
+  x358_mainFireGen->SetTranslation(org);
+  x358_mainFireGen->SetOrientation(rot_copy);
+  x36c_swooshCenterGen->SetTranslation(org);
+  x36c_swooshCenterGen->SetOrientation(rot_copy);
+  x370_swooshFireGen->SetTranslation(org);
+  x370_swooshFireGen->SetOrientation(rot_copy);
+
+  float particle_rate = (x37c_26_runningSlowish ? 1.f : 0.5f);
+  x358_mainFireGen->SetGeneratorRate(particle_rate);
+  x358_mainFireGen->Update(dt);
+  x35c_mainSmokeGen->Update(dt);
+  x360_secondarySmokeGen->Update(dt);
+  x364_secondaryFireGen->Update(dt);
+  x368_secondarySparksGen->Update(dt);
+  x36c_swooshCenterGen->Update(dt);
+  x370_swooshFireGen->Update(dt);
+  rstl::reserved_vector<Cube, 32> collision_list;
+
+  UpdateParticleCollisions(dt, mgr, collision_list);
+  if (collision_list.size() > 0) {
+    for (auto& swoosh : x36c_swooshCenterGen->GetSwooshes()) {
+      for (auto& cube : collision_list) {
+        float dpos = (cube.center - swoosh.xc_translation).magSquared();
+        if (dpos < (cube.bounds * cube.bounds)) {
+          swoosh.x0_active = false;
+        }
+      }
+    }
+    for (auto& particle : x358_mainFireGen->GetParticles()) {
+      for (auto& cube : collision_list) {
+        float dpos = (cube.center - particle.x4_pos).magSquared();
+        if (dpos < (cube.bounds * cube.bounds)) {
+          particle.x0_endFrame = -1;
+        }
+      }
+    }
+    for (auto& particle : x35c_mainSmokeGen->GetParticles()) {
+      for (auto& cube : collision_list) {
+        float dpos = (cube.center - particle.x4_pos).magSquared();
+        if (dpos < (cube.bounds * cube.bounds)) {
+          particle.x0_endFrame = -1;
+        }
+      }
+    }
+  }
+  if (x374_flameState == EFlameState::FireActive) {
+    int free_space = x36c_swooshCenterGen->GetSwooshes().capacity() - x36c_swooshCenterGen->GetSwooshes().size();
+    if (free_space < 4) {
+      const int swoosh_count = static_cast<int>(x36c_swooshCenterGen->GetSwooshes().size());
+      int quarter_behind_cur = ((((swoosh_count / 2) * 3) / 2) + x36c_swooshCenterGen->GetCurParticle()) % swoosh_count;
+      if (x36c_swooshCenterGen->GetSwooshes()[quarter_behind_cur].x0_active) {
+        // Need better names here
+        int next_idx = (quarter_behind_cur + 1) % swoosh_count;
+        auto& swoosh_1 = x36c_swooshCenterGen->GetSwooshes()[quarter_behind_cur];
+        auto& swoosh_2 = x36c_swooshCenterGen->GetSwooshes()[next_idx];
+        zeus::CVector3f delta = swoosh_1.xc_translation - swoosh_2.xc_translation;
+        float f0 = delta.dot(swoosh_1.x38_orientation.frontVector());
+        zeus::CVector3f unk = delta - (swoosh_1.x38_orientation.frontVector() * f0);
+        float tmp = std::clamp(unk.magnitude() * 30.f, 1.f, x37c_26_runningSlowish ? 2.f : 4.f);
+
+        x3b4_numSmokeParticlesSpawned = std::max(static_cast<int>(round(tmp)), x3b4_numSmokeParticlesSpawned - 1);
+        // INSERT
+        if ((x35c_mainSmokeGen->GetParticles().size() + x3b4_numSmokeParticlesSpawned) >
+            x35c_mainSmokeGen->GetMaxMaxParticles()) {
+          x3b4_numSmokeParticlesSpawned = x3b4_numSmokeParticlesSpawned -
+                                          ((x35c_mainSmokeGen->GetParticles().size() + x3b4_numSmokeParticlesSpawned) -
+                                           x35c_mainSmokeGen->GetMaxMaxParticles());
+        }
+        // END INSERT
+        // This limit shouldn't be needed, m_maxMAXP should be removed?
+
+        x35c_mainSmokeGen->SetTranslation(swoosh_1.xc_translation);
+        x35c_mainSmokeGen->SetOrientation(swoosh_1.x38_orientation);
+        if (x3b4_numSmokeParticlesSpawned > 0) {
+          x35c_mainSmokeGen->ForceParticleCreation(x3b4_numSmokeParticlesSpawned);
+        }
+      }
+    }
+  }
+  UpdateLights(mgr);
+}
+
+// TODO: lights don't actually light
+void CNewFlameThrower::UpdateLights(CStateManager& mgr) {
+  CGlobalRandom rand(x2e8_rand);
+
+  int lit_particle_step = std::max(2, static_cast<int>(x370_swooshFireGen->GetSwooshes().size() / 4));
+  int prev_particle = (x370_swooshFireGen->GetCurParticle() - 1) % x370_swooshFireGen->GetSwooshes().size();
+
+  int lit_particle_offset = 0;
+  const int fire_swoosh_count = static_cast<int>(x370_swooshFireGen->GetSwooshes().size());
+  for (auto& light_id : x3b8_lightIds) {
+    if (TCastToPtr<CGameLight> light = mgr.ObjectById(light_id)) {
+      bool should_light = true;
+      if (fire_swoosh_count <= lit_particle_offset) {
+        should_light = false;
+      }
+      auto& light_swoosh = x370_swooshFireGen->GetSwooshes()[(lit_particle_offset + prev_particle) % fire_swoosh_count];
+      if (!light_swoosh.x0_active) {
+        should_light = false;
+      }
+      light->SetActive(should_light);
+      if (!should_light) {
+        lit_particle_offset += lit_particle_step;
+        continue;
+      }
+      CLight light_data = x358_mainFireGen->GetLight();
+      if (x304_mainFire.GetObj()->x104_xf0_LCLR.get()) {
+        s32 rand_int = x2e8_rand.Range(0, 16);
+        CParticleGlobals::instance()->SetEmitterTime(rand_int);
+        zeus::CColor out_color(0xffff00ff);
+        x304_mainFire.GetObj()->x104_xf0_LCLR->GetValue(rand_int, out_color);
+        light_data.SetColor(out_color);
+      }
+      if (x304_mainFire.GetObj()->x108_xf4_LINT.get()) {
+        s32 rand_int = x2e8_rand.Range(0, 16);
+        CParticleGlobals::instance()->SetEmitterTime(rand_int);
+        float out_const_attenuation = 1.f;
+        x304_mainFire.GetObj()->x108_xf4_LINT->GetValue(rand_int, out_const_attenuation);
+        light_data.SetAngleAttenuation(out_const_attenuation, 0.f, 0.f);
+      }
+      light->SetLight(light_data);
+      light->SetTranslation(light_swoosh.xc_translation);
+      lit_particle_offset += lit_particle_step;
+    }
+  }
+}
+
+bool CNewFlameThrower::UpdateParticleCollisions(float dt, CStateManager& mgr,
+                                                rstl::reserved_vector<Cube, 32>& collisions_out) {
+  x300_wasPointAdded = false;
+  bool any_particle_collisions = false;
+  rstl::reserved_vector<TUniqueId, 1024> near_list_cache;
+  // rstl::reserved_vector<rstl::reserved_vector<, ?>, ?> unk_rstl_vec; // inner vectors of size 0x90c, never used
+  // though
+  CCollisionInfoList cached_cinfo;
+  auto& swoosh_vec = x370_swooshFireGen->GetSwooshes();
+  const int swoosh_count = static_cast<int>(swoosh_vec.size());
+  const int tmp = swoosh_count / 4;
+  const int batch_process_size = tmp < 6 ? 6 : tmp;
+  const int prev_particle = ((swoosh_count + x370_swooshFireGen->GetCurParticle()) - 1) % swoosh_count;
+  int i = 0;
+  while (i < swoosh_count) {
+    int batch_start = i;
+    int batch_end = i + batch_process_size;
+    if (batch_end >= swoosh_count) {
+      batch_end = swoosh_count;
+    }
+    float batch_highest_speed = 0.f;
+    bool processed_swoosh_in_batch = false;
+    zeus::CAABox batch_particle_bounds;
+    // Accumulate bounds of this batch and its max speed
+    for (int j = batch_start; j < batch_end; j++) {
+      if (!swoosh_vec[j].x0_active) {
+        continue;
+      }
+      if (!processed_swoosh_in_batch) {
+        // Retro assigned MIN_FLOAT and MAX_FLOAT, but this should suffice
+        batch_particle_bounds = zeus::CAABox();
+      }
+      processed_swoosh_in_batch = true;
+      batch_particle_bounds.accumulateBounds(swoosh_vec[j].xc_translation);
+      float swoosh_speed_sq = swoosh_vec[j].x74_velocity.magSquared();
+      if (batch_highest_speed < swoosh_speed_sq) {
+        batch_highest_speed = swoosh_speed_sq;
+      }
+    }
+    batch_highest_speed = sqrtf(batch_highest_speed) + 0.1f;
+    batch_particle_bounds.accumulateBounds(batch_particle_bounds.min - zeus::CVector3f(batch_highest_speed));
+    batch_particle_bounds.accumulateBounds(batch_particle_bounds.max + zeus::CVector3f(batch_highest_speed));
+
+    near_list_cache.clear();
+
+    CMaterialFilter near_list_filter = CMaterialFilter::MakeIncludeExclude(
+        CMaterialList(EMaterialTypes::Solid), CMaterialList(EMaterialTypes::ProjectilePassthrough));
+    mgr.BuildNearList(near_list_cache, batch_particle_bounds, near_list_filter, mgr.Player());
+    CAreaCollisionCache coll_cache(batch_particle_bounds);
+    CGameCollision::BuildAreaCollisionCache(mgr, coll_cache);
+
+    for (int j = batch_start; j < batch_end; j++) {
+      if (j == prev_particle || !swoosh_vec[j].x0_active) {
+        continue;
+      }
+      auto& cur_swoosh = swoosh_vec[j];
+
+      CCollidableSphere coll_prim(zeus::CSphere(cur_swoosh.xc_translation, batch_highest_speed),
+                                  CMaterialList(EMaterialTypes::Solid));
+      CCollisionInfoList coll_info_out;
+      bool collided_static = CGameCollision::DetectStaticCollision_Cached(
+          mgr, coll_cache, coll_prim, zeus::CTransform(), skExcludeProjectilePassthrough, coll_info_out);
+
+      TUniqueId first_actor_hit = kInvalidUniqueId;
+      bool collided_other = FindCollisionInNearList(mgr, near_list_cache, coll_prim, first_actor_hit, coll_info_out);
+
+      if ((collided_static || collided_other) && coll_info_out.GetCount() > 0) {
+        cur_swoosh.x0_active = false;
+        any_particle_collisions = true;
+        cached_cinfo.Clear();
+        coll_info_out.AccumulateNewContactsInto(cached_cinfo);
+        int k = 0;
+        zeus::CVector3f last_added_pt = zeus::skZero3f;
+        for (CCollisionInfo const& info : cached_cinfo) {
+          if (k > 3) {
+            break;
+          }
+          float overlap_range = x37c_26_runningSlowish ? 1 : 0.75f;
+          int num_overlap = SortAndFindOverlappingPoints(Cube{info.GetPoint(), overlap_range});
+          const int max_overlapping = (x37c_26_runningSlowish ? 2 : 3);
+          if (num_overlap < max_overlapping) {
+            AddContactPoint(info, 10);
+            zeus::CTransform xf = zeus::lookAt(zeus::skZero3f, info.GetNormalLeft(), zeus::skUp);
+            x360_secondarySmokeGen->SetOrientation(xf);
+            x364_secondaryFireGen->SetOrientation(xf);
+            x368_secondarySparksGen->SetOrientation(xf);
+            x360_secondarySmokeGen->SetTranslation(info.GetPoint());
+            x364_secondaryFireGen->SetTranslation(info.GetPoint());
+            x368_secondarySparksGen->SetTranslation(info.GetPoint());
+
+            x360_secondarySmokeGen->ForceParticleCreation(1);
+            x364_secondaryFireGen->ForceParticleCreation(max_overlapping);
+            x368_secondarySparksGen->ForceParticleCreation(x37c_26_runningSlowish ? 3 : 5);
+            if (x37c_26_runningSlowish) {
+              break;
+            }
+            last_added_pt = info.GetPoint();
+          }
+          k++;
+        }
+        if (!x37c_26_runningSlowish && !x300_wasPointAdded) {
+          float dist_between = (x2f4_lastParticleCollisionLoc - last_added_pt).magSquared();
+          if (cached_cinfo.GetCount() < 3 || dist_between > 3.0f) {
+            zeus::CVector3f avg_loc = (x2f4_lastParticleCollisionLoc + last_added_pt) * 0.5f;
+            x364_secondaryFireGen->SetTranslation(avg_loc);
+            x364_secondaryFireGen->ForceParticleCreation(2);
+          }
+        }
+
+        x2f4_lastParticleCollisionLoc = last_added_pt;
+        x300_wasPointAdded = true;
+
+        if (first_actor_hit != kInvalidUniqueId) {
+          if (TCastToPtr<CActor> act = mgr.ObjectById(first_actor_hit)) {
+            if (CanDamageActor(*act, mgr)) {
+              CDamageInfo dmg_info(x12c_curDamageInfo, dt);
+              mgr.ApplyDamage(x8_uid, act->GetUniqueId(), xec_ownerId, dmg_info, xf8_filter,
+                              cur_swoosh.x74_velocity.normalized());
+            }
+          }
+        }
+        CDamageInfo dmg_info(x12c_curDamageInfo, dt);
+        mgr.ApplyDamageToWorld(xec_ownerId, *this, cur_swoosh.xc_translation, dmg_info, xf8_filter);
+        collisions_out.push_back({cur_swoosh.xc_translation, batch_highest_speed});
+        if (collisions_out.size() == 32) {
+          cached_cinfo.Clear();
+          coll_info_out.Clear();
+          near_list_cache.clear();
+          return true;
+        }
+        cached_cinfo.Clear();
+      }
+      coll_info_out.Clear();
+    }
+    near_list_cache.clear();
+    mgr.BuildNearList(near_list_cache, batch_particle_bounds,
+                      CMaterialFilter::MakeInclude(CMaterialList(EMaterialTypes::NonSolidDamageable)), mgr.Player());
+    for (TUniqueId const& uid : near_list_cache) {
+      if (TCastToPtr<CSnakeWeedSwarm> sw = mgr.ObjectById(uid)) {
+        for (int j = batch_start; j < batch_end; j++) {
+          if (j == prev_particle || !swoosh_vec[j].x0_active) {
+            continue;
+          }
+          float damage_radius_multiplier = batch_highest_speed < 1.f ? 1 : batch_highest_speed;
+          sw->HandleRadiusDamage(damage_radius_multiplier * sw->GetWeaponDamageRadius(), mgr,
+                                 swoosh_vec[j].xc_translation);
+        }
+      }
+    }
+    for (int j = batch_start; j < batch_end; j++) {
+      if (j == prev_particle || !swoosh_vec[j].x0_active) {
+        continue;
+      }
+      auto& cur_swoosh = swoosh_vec[j];
+
+      CCollidableSphere coll_prim(zeus::CSphere(cur_swoosh.xc_translation, batch_highest_speed),
+                                  CMaterialList(EMaterialTypes::Solid));
+      CCollisionInfoList coll_info_out;
+      TUniqueId first_actor_hit;
+
+      FindCollisionInNearList(mgr, near_list_cache, coll_prim, first_actor_hit, coll_info_out);
+      if (first_actor_hit != kInvalidUniqueId) {
+        if (TCastToPtr<CActor> act = mgr.ObjectById(first_actor_hit)) {
+          if (CanDamageActor(*act, mgr)) {
+            CDamageInfo dmg_info(x12c_curDamageInfo, dt);
+            mgr.ApplyDamage(x8_uid, act->GetUniqueId(), xec_ownerId, dmg_info, xf8_filter,
+                            cur_swoosh.x74_velocity.normalized());
+          }
+        }
+      }
+      coll_info_out.Clear();
+    }
+    i += batch_process_size;
+  }
+  DecrementContactPointTimers();
+  near_list_cache.clear();
+  return any_particle_collisions;
+}
+
+bool CNewFlameThrower::CanDamageActor(CActor& hit_actor, CStateManager& mgr) {
+  CDamageVulnerability const* vuln = hit_actor.GetDamageVulnerability();
+  if (vuln->GetVulnerability(x12c_curDamageInfo.GetWeaponMode(), false) == EVulnerability::PassThrough) {
+    return false;
+  }
+  if (TCastToPtr<CScriptTrigger> trigger = hit_actor) {
+    CProjectileTouchResult res = CanCollideWithTrigger(*trigger, mgr);
+    return res.GetActorId() != kInvalidUniqueId;
+  }
+  if (TCastToPtr<CScriptPlatform> platform = hit_actor) {
+    return true;
+  }
+  if (TCastToPtr<CCollisionActor> coll_actor = hit_actor) {
+    return true;
+  }
+  if (CPatterned::CastTo<MP1::CFlickerBat>(&hit_actor)) {
+    return true;
+  }
+  CProjectileTouchResult res = CanCollideWithGameObject(hit_actor, mgr);
+  return res.GetActorId() != kInvalidUniqueId;
+}
+
+void CNewFlameThrower::AddContactPoint(CCollisionInfo const& cinfo, u32 time) {
+  int elem = 0;
+  for (auto& cp_vec : x380_flameContactPoints) {
+    cp_vec.emplace_back(cinfo.GetPoint()[elem], time);
+    elem++;
+  }
+  x37c_27_newPointAdded = true;
+}
+
+int CNewFlameThrower::SortAndFindOverlappingPoints(Cube const& box) {
+  if (x37c_27_newPointAdded) {
+    for (auto& component_vec : x380_flameContactPoints) {
+      std::sort(component_vec.begin(), component_vec.end());
+    }
+  }
+  int min_overlap = std::numeric_limits<int>::max();
+
+  for (int i = 0; i < x380_flameContactPoints.size(); i++) {
+    auto const& component_vec = x380_flameContactPoints[i];
+    float search_min = box.center[i] - box.bounds;
+    float search_max = box.center[i] + box.bounds;
+    auto min_result = rstl::binary_find(component_vec.begin(), component_vec.end(), Contact{search_min, 0});
+    auto max_result = rstl::binary_find(component_vec.begin(), component_vec.end(), Contact{search_max, 0});
+    if (min_result == component_vec.end()) {
+      min_result = component_vec.begin();
+    }
+
+    int num_overlap = static_cast<int>(max_result - min_result);
+    num_overlap = num_overlap < min_overlap ? num_overlap : min_overlap;
+    if (num_overlap == 0) {
+      return 0;
+    }
+    min_overlap = num_overlap;
+  }
+  return min_overlap;
+}
+
+bool CNewFlameThrower::FindCollisionInNearList(CStateManager& mgr,
+                                               rstl::reserved_vector<TUniqueId, 1024> const& near_list,
+                                               CCollisionPrimitive const& coll, TUniqueId& first_coll_out,
+                                               CCollisionInfoList& collisions) {
+  for (TUniqueId const& cur_uid : near_list) {
+    if (TCastToPtr<CActor> near_actor = mgr.ObjectById(cur_uid)) {
+      if (TCastToPtr<CPhysicsActor> pa = *near_actor) {
+        CInternalCollisionStructure::CPrimDesc pa_desc(*pa->GetCollisionPrimitive(), pa->GetMaterialFilter(),
+                                                       pa->GetPrimitiveTransform());
+        CInternalCollisionStructure::CPrimDesc param_desc(coll, skExcludeProjectilePassthrough, zeus::CTransform());
+
+        if (CCollisionPrimitive::Collide(pa_desc, param_desc, collisions)) {
+          first_coll_out = cur_uid;
+          return true;
+        }
+      } else {
+        auto bounds = near_actor->GetTouchBounds();
+        if (!bounds.has_value()) {
+          continue;
+        }
+        CCollidableAABox coll_aabb(bounds.value(), CMaterialList(EMaterialTypes::Solid));
+        CInternalCollisionStructure::CPrimDesc aabb_desc(coll_aabb, CMaterialFilter::skPassEverything,
+                                                         zeus::CTransform());
+        CInternalCollisionStructure::CPrimDesc param_desc(coll, skExcludeProjectilePassthrough, zeus::CTransform());
+
+        if (CCollisionPrimitive::Collide(param_desc, aabb_desc, collisions)) {
+          first_coll_out = cur_uid;
+          return true;
+        }
+      }
+    }
+  }
+  return false;
+}
+
+void CNewFlameThrower::DecrementContactPointTimers() {
+  for (auto& vec : x380_flameContactPoints) {
+    int end = static_cast<int>(vec.size() - 1);
+    for (size_t i = 0; i < vec.size(); i++) {
+      vec[i].remainingTime--;
+      if (vec[i].remainingTime == 0) {
+        vec[i] = vec[end];
+        vec.pop_back();
+        // forgot to decrement iterator ?
+        // i--;
+        end--;
+      }
+    }
+  }
+}
+void CNewFlameThrower::Reset(CStateManager& mgr, bool deactivate) {
+  if (deactivate) {
+    SetLightsActive(mgr, false);
+    SetActive(false);
+    x374_flameState = EFlameState::Default;
+    x2ec_particlesDoneTimer = 0.f;
+    x2f0_flamesDoneTimer = 0.f;
+  } else {
+    x374_flameState = EFlameState::FireStopTimer;
+  }
+  x37c_25_firing = false;
+  x358_mainFireGen->SetParticleEmission(false);
+  x35c_mainSmokeGen->SetParticleEmission(false);
+  x36c_swooshCenterGen->SetParticleEmission(false);
+  x370_swooshFireGen->SetParticleEmission(false);
+}
+
+void CNewFlameThrower::SetLightsActive(CStateManager& mgr, bool active) {
+  for (TUniqueId const& uid : x3b8_lightIds) {
+    if (TCastToPtr<CGameLight> light = mgr.ObjectById(uid)) {
+      light->SetActive(active);
+    }
+  }
+}
+
+void CNewFlameThrower::UpdateFlameState(float dt, CStateManager& mgr) {
+  bool flame_light_active = false;
+  switch (x374_flameState) {
+  case EFlameState::FireWaitForParticlesDone:
+    x2ec_particlesDoneTimer += dt;
+    if (x2ec_particlesDoneTimer > 0.1f && AreEffectsFinished()) {
+      x374_flameState = EFlameState::Default;
+      Reset(mgr, true);
+    }
+    break;
+  case EFlameState::FireStopTimer:
+    flame_light_active = true;
+    x2f0_flamesDoneTimer = (dt * 4) + x2f0_flamesDoneTimer;
+    if (x2f0_flamesDoneTimer > 1.f) {
+      x2f0_flamesDoneTimer = 1.f;
+      x374_flameState = EFlameState::FireWaitForParticlesDone;
+      x37c_24_renderAuxEffects = false;
+    }
+    break;
+  case EFlameState::FireStart:
+    x374_flameState = EFlameState::FireActive;
+    break;
+  case EFlameState::FireActive:
+    flame_light_active = true;
+    break;
+  default:
+    break;
+  }
+  const float speed = flame_light_active ? 4.f : 1.f;
+  const float target = flame_light_active ? 0.7f : 1.f;
+  SetWorldLighting(mgr, mgr.GetPlayer().GetAreaIdAlways(), speed, target);
+}
+
+void CNewFlameThrower::SetWorldLighting(CStateManager& mgr, TAreaId area, float speed, float target) {
+  if (x37c_28_activeLighting && x378_currentLitArea != kInvalidAreaId) {
+    CGameArea* lit_area = mgr.GetWorld()->GetArea(x378_currentLitArea);
+    // Restore previous area's lighting
+    if (!lit_area->IsPostConstructed()) {
+      lit_area->SetWeaponWorldLighting(1.f, 1.f);
+    }
+  }
+  x378_currentLitArea = area;
+  x37c_28_activeLighting = (target != 1.f);
+  if (x378_currentLitArea != kInvalidAreaId) {
+    CGameArea* lit_area = mgr.GetWorld()->GetArea(x378_currentLitArea);
+    if (!lit_area->IsPostConstructed()) {
+      lit_area->SetWeaponWorldLighting(speed, target);
+    }
+  }
+}
 
 } // namespace urde

Runtime/Weapon/CNewFlameThrower.hpp

@@ -2,19 +2,45 @@
 
 #include <array>
 #include <memory>
+#include <optional>
 #include <utility>
 #include <vector>
 
+#include <zeus/CFrustum.hpp>
+
 #include "Runtime/rstl.hpp"
 #include "Runtime/Weapon/CGameProjectile.hpp"
 
 namespace urde {
+class CCollisionPrimitive;
+class CCollisionInfoList;
+class CCollisionInfo;
 
 class CNewFlameThrower : public CGameProjectile {
+  struct Contact {
+    Contact(float contact, u32 remainingTime) : contact(contact), remainingTime(remainingTime) {}
+    float contact;
+    u32 remainingTime;
+    bool operator<(Contact const& o) const { return contact < o.contact; }
+  };
+  struct Cube {
+    Cube(zeus::CVector3f center, float bounds) : center(center), bounds(bounds) {}
+    zeus::CVector3f center;
+    float bounds;
+  };
+  enum class EFlameState {
+    Default,
+    FireStart,
+    FireActive,
+    FireStopTimer,
+    FireWaitForParticlesDone
+  };
+
   CRandom16 x2e8_rand{99};
-  float x2ec_ = 0.f;
+  float x2ec_particlesDoneTimer = 0.f;
-  float x2f0_ = 0.f;
+  float x2f0_flamesDoneTimer = 0.f;
-  bool x300_ = false;
+  zeus::CVector3f x2f4_lastParticleCollisionLoc;
+  bool x300_wasPointAdded = false;
   TCachedToken<CGenDescription> x304_mainFire;
   TCachedToken<CGenDescription> x310_mainSmoke;
   TCachedToken<CGenDescription> x31c_secondarySmoke;
@@ -29,19 +55,39 @@ class CNewFlameThrower : public CGameProjectile {
   std::unique_ptr<CElementGen> x368_secondarySparksGen;
   std::unique_ptr<CParticleSwoosh> x36c_swooshCenterGen;
   std::unique_ptr<CParticleSwoosh> x370_swooshFireGen;
-  u32 x374_ = 0;
+  EFlameState x374_flameState = EFlameState::Default;
-  TAreaId x378_ = kInvalidAreaId;
+  TAreaId x378_currentLitArea = kInvalidAreaId;
   bool x37c_24_renderAuxEffects : 1 = false;
   bool x37c_25_firing : 1 = false;
-  bool x37c_26_ : 1 = false;
+  bool x37c_26_runningSlowish : 1 = false;
-  bool x37c_27_ : 1 = true;
+  bool x37c_27_newPointAdded : 1 = true;
-  bool x37c_28_ : 1 = false;
+  bool x37c_28_activeLighting : 1 = false;
-  rstl::reserved_vector<std::vector<std::pair<float, u32>>, 3> x380_;
+  rstl::reserved_vector<std::vector<Contact>, 3> x380_flameContactPoints;
-  u32 x3b4_ = 0;
+  int x3b4_numSmokeParticlesSpawned = 0;
   rstl::reserved_vector<TUniqueId, 4> x3b8_lightIds;
+
+  // std::array<std::unique_ptr<CTexturedQuadFilter>, 5> beam_filters;
+
   void DeleteLightObjects(CStateManager& mgr);
   void CreateLightObjects(CStateManager& mgr);
   void EnableFx(CStateManager& mgr);
+  void UpdateLights(CStateManager& mgr);
+  bool UpdateParticleCollisions(float dt, CStateManager &mgr,
+		rstl::reserved_vector<Cube, 32> &collisions_out);
+  bool CanDamageActor(CActor &hit_actor, CStateManager &mgr);
+  void AddContactPoint(CCollisionInfo const& cinfo, u32 time);
+  int SortAndFindOverlappingPoints(Cube const& box);
+  bool FindCollisionInNearList(CStateManager &mgr, rstl::reserved_vector<TUniqueId, 1024> const &near_list,
+                               CCollisionPrimitive const& coll, TUniqueId &first_coll_out,
+                               CCollisionInfoList& collisions);
+  void DecrementContactPointTimers();
+  void SetLightsActive(CStateManager &mgr, bool active);
+  void UpdateFlameState(float dt, CStateManager &mgr);
+  void SetWorldLighting(CStateManager &mgr, TAreaId area, float speed, float target);
+  // void RenderParticles(std::array<CElementGen *, 5> const& elem_gens);
+
+  // void LoadParticleGenQuads();
+  bool loaded_textures = false;
 
 public:
   // Resinfo:
@@ -62,6 +108,12 @@ public:
   bool AreEffectsFinished() const;
   void UpdateFx(const zeus::CTransform& xf, float dt, CStateManager& mgr);
   void Reset(CStateManager& mgr, bool deactivate);
+  void Render(CStateManager& mgr) override;
+  void Think(float dt, CStateManager &mgr) override;
+  std::optional<zeus::CAABox> GetTouchBounds() const override { return {}; }
+  void Accept(IVisitor& visitor) override;
+  void AcceptScriptMsg(EScriptObjectMessage msg, TUniqueId uid, CStateManager &mgr) override;
+  void AddToRenderer(zeus::CFrustum const& planes, CStateManager& mgr) override;
 };
 
 } // namespace urde

Runtime/World/CSnakeWeedSwarm.hpp

@@ -106,10 +106,11 @@ public:
   void AddToRenderer(const zeus::CFrustum&, CStateManager&) override;
   void Touch(CActor&, CStateManager&) override;
   void Think(float, CStateManager&) override;
+  void HandleRadiusDamage(float radius, CStateManager& mgr, const zeus::CVector3f& pos);
+  float GetWeaponDamageRadius() const { return x100_weaponDamageRadius; }
 
 private:
   void AllocateSkinnedModels(CStateManager& mgr, CModelData::EWhichModel which);
-  void HandleRadiusDamage(float radius, CStateManager& mgr, const zeus::CVector3f& pos);
   void FindGround(const CStateManager& mgr);
   zeus::CAABox GetBoidBox() const;
   int GetNumBoidsY() const;