#include "Runtime/World/CWorld.hpp"

#include <algorithm>
#include <iterator>

#include "Runtime/CGameState.hpp"
#include "Runtime/CInGameTweakManagerBase.hpp"
#include "Runtime/CSimplePool.hpp"
#include "Runtime/CStateManager.hpp"
#include "Runtime/IMain.hpp"
#include "Runtime/Audio/CAudioGroupSet.hpp"
#include "Runtime/Audio/CStreamAudioManager.hpp"
#include "Runtime/Graphics/CBooRenderer.hpp"
#include "Runtime/World/CScriptAreaAttributes.hpp"
#include "Runtime/World/CScriptRoomAcoustics.hpp"

namespace urde {

CWorld::CSoundGroupData::CSoundGroupData(int grpId, CAssetId agsc) : x0_groupId(grpId), x4_agscId(agsc) {
  x1c_groupData = g_SimplePool->GetObj(SObjectTag{FOURCC('AGSC'), agsc});
}

CDummyWorld::CDummyWorld(CAssetId mlvlId, bool loadMap) : x4_loadMap(loadMap), xc_mlvlId(mlvlId) {
  SObjectTag tag{FOURCC('MLVL'), mlvlId};
  x38_bufSz = g_ResFactory->ResourceSize(tag);
  x34_loadBuf.reset(new u8[x38_bufSz]);
  x30_loadToken = g_ResFactory->LoadResourceAsync(tag, x34_loadBuf.get());
}

CDummyWorld::~CDummyWorld() {
  if (x30_loadToken)
    x30_loadToken->PostCancelRequest();
}

CAssetId CDummyWorld::IGetWorldAssetId() const { return xc_mlvlId; }

CAssetId CDummyWorld::IGetStringTableAssetId() const { return x10_strgId; }

CAssetId CDummyWorld::IGetSaveWorldAssetId() const { return x14_savwId; }

const CMapWorld* CDummyWorld::IGetMapWorld() const { return x2c_mapWorld.GetObj(); }

CMapWorld* CDummyWorld::IGetMapWorld() { return x2c_mapWorld.GetObj(); }

const IGameArea* CDummyWorld::IGetAreaAlways(TAreaId id) const { return &x18_areas.at(id); }

TAreaId CDummyWorld::IGetCurrentAreaId() const { return x3c_curAreaId; }

TAreaId CDummyWorld::IGetAreaId(CAssetId id) const {
  if (!id.IsValid()) {
    return kInvalidAreaId;
  }

  const auto iter =
      std::find_if(x18_areas.cbegin(), x18_areas.cend(), [id](const auto& area) { return area.xc_mrea == id; });
  if (iter == x18_areas.cend()) {
    return kInvalidAreaId;
  }

  return TAreaId(std::distance(x18_areas.cbegin(), iter));
}

CWorld::CRelay::CRelay(CInputStream& in) {
  x0_relay = in.readUint32Big();
  x4_target = in.readUint32Big();
  x8_msg = in.readUint16Big();
  xa_active = in.readBool();
}

std::vector<CWorld::CRelay> CWorld::CRelay::ReadMemoryRelays(athena::io::MemoryReader& r) {
  std::vector<CWorld::CRelay> ret;
  u32 count = r.readUint32Big();
  ret.reserve(count);
  for (u32 i = 0; i < count; ++i)
    ret.emplace_back(r);
  return ret;
}

void CWorldLayers::ReadWorldLayers(athena::io::MemoryReader& r, int version, CAssetId mlvlId) {
  if (version <= 14) {
    return;
  }

  CWorldLayers ret;

  u32 areaCount = r.readUint32Big();
  ret.m_areas.reserve(areaCount);
  for (u32 i = 0; i < areaCount; ++i) {
    auto& area = ret.m_areas.emplace_back();
    area.m_layerCount = r.readUint32Big();
    area.m_layerBits = r.readUint64Big();
  }

  const u32 nameCount = r.readUint32Big();
  ret.m_names.reserve(nameCount);
  for (u32 i = 0; i < nameCount; ++i) {
    ret.m_names.push_back(r.readString());
  }

  areaCount = r.readUint32Big();
  for (u32 i = 0; i < areaCount; ++i) {
    ret.m_areas[i].m_startNameIdx = r.readUint32Big();
  }

  CWorldState& wldState = g_GameState->StateForWorld(mlvlId);
  wldState.GetLayerState()->InitializeWorldLayers(ret.m_areas);
}

bool CDummyWorld::ICheckWorldComplete() {
  switch (x8_phase) {
  case Phase::Loading: {
    if (!x30_loadToken->IsComplete())
      return false;
    athena::io::MemoryReader r(x34_loadBuf.get(), x38_bufSz);
    r.readUint32Big();
    int version = r.readUint32Big();
    x10_strgId = r.readUint32Big();

    if (version >= 15)
      x14_savwId = r.readUint32Big();
    if (version >= 12)
      r.readUint32Big();
    if (version >= 17)
      CWorld::CRelay::ReadMemoryRelays(r);

    u32 areaCount = r.readUint32Big();
    r.readUint32Big();

    x18_areas.reserve(areaCount);
    for (u32 i = 0; i < areaCount; ++i)
      x18_areas.emplace_back(r, i, version);

    x28_mapWorldId = r.readUint32Big();
    if (x4_loadMap)
      x2c_mapWorld = g_SimplePool->GetObj(SObjectTag{FOURCC('MAPW'), x28_mapWorldId});

    r.readByte();
    r.readUint32Big();

    if (version > 10) {
      u32 audioGroupCount = r.readUint32Big();
      for (u32 i = 0; i < audioGroupCount; ++i) {
        r.readUint32Big();
        r.readUint32Big();
      }
    }

    if (version > 12)
      r.readString();

    CWorldLayers::ReadWorldLayers(r, version, xc_mlvlId);

    x30_loadToken.reset();
    x34_loadBuf.reset();
    x38_bufSz = 0;

    if (x4_loadMap)
      x8_phase = Phase::LoadingMap;
    else {
      x8_phase = Phase::Done;
      return false;
    }
    [[fallthrough]];
  }
  case Phase::LoadingMap: {
    if (!x2c_mapWorld.IsLoaded() || !x2c_mapWorld.GetObj())
      return false;

    x2c_mapWorld->SetWhichMapAreasLoaded(*this, 0, 9999);
    x8_phase = Phase::LoadingMapAreas;
    [[fallthrough]];
  }
  case Phase::LoadingMapAreas: {
    if (x2c_mapWorld->IsMapAreasStreaming())
      return false;

    x8_phase = Phase::Done;
    [[fallthrough]];
  }
  case Phase::Done:
    return true;
  default:
    return false;
  }
}

std::string CDummyWorld::IGetDefaultAudioTrack() const { return {}; }

int CDummyWorld::IGetAreaCount() const { return x18_areas.size(); }

CWorld::CWorld(IObjectStore& objStore, IFactory& resFactory, CAssetId mlvlId)
: x8_mlvlId(mlvlId)
, x60_objectStore(objStore)
, x64_resFactory(resFactory)
, x70_24_currentAreaNeedsAllocation(true)
, x70_25_loadPaused(false)
, x70_26_skyboxActive(false)
, x70_27_skyboxVisible(false) {
  SObjectTag tag{FOURCC('MLVL'), mlvlId};
  x44_bufSz = resFactory.ResourceSize(tag);
  x40_loadBuf.reset(new u8[x44_bufSz]);
  x3c_loadToken = resFactory.LoadResourceAsync(tag, x40_loadBuf.get());
}

CWorld::~CWorld() {
  StopSounds();
  if (g_GameState->GetWorldTransitionManager()->IsTransitionEnabled() && g_Main->GetFlowState() == EFlowState::None)
    CStreamAudioManager::StopOneShot();
  else
    CStreamAudioManager::StopAll();
  UnloadSoundGroups();
  CScriptRoomAcoustics::DisableAuxCallbacks();
}

CAssetId CWorld::IGetWorldAssetId() const { return GetWorldAssetId(); }

CAssetId CWorld::IGetStringTableAssetId() const { return xc_strgId; }

CAssetId CWorld::IGetSaveWorldAssetId() const { return x10_savwId; }

const CMapWorld* CWorld::IGetMapWorld() const { return const_cast<CWorld*>(this)->GetMapWorld(); }

CMapWorld* CWorld::IGetMapWorld() { return const_cast<CMapWorld*>(GetMapWorld()); }

const CGameArea* CWorld::GetAreaAlways(TAreaId id) const { return x18_areas.at(id).get(); }

CGameArea* CWorld::GetArea(TAreaId id) { return const_cast<CGameArea*>(GetAreaAlways(id)); }

const IGameArea* CWorld::IGetAreaAlways(TAreaId id) const { return GetAreaAlways(id); }

TAreaId CWorld::IGetCurrentAreaId() const { return x68_curAreaId; }

TAreaId CWorld::IGetAreaId(CAssetId id) const {
  if (!id.IsValid()) {
    return kInvalidAreaId;
  }

  const auto iter =
      std::find_if(x18_areas.cbegin(), x18_areas.cend(), [id](const auto& area) { return area->x84_mrea == id; });
  if (iter == x18_areas.cend()) {
    return kInvalidAreaId;
  }

  return TAreaId(std::distance(x18_areas.cbegin(), iter));
}

void CWorld::MoveToChain(CGameArea* area, EChain chain) {
  if (area->x138_curChain == chain) {
    return;
  }

  if (area->x138_curChain != EChain::Invalid) {
    if (x4c_chainHeads[size_t(area->x138_curChain)] == area) {
      x4c_chainHeads[size_t(area->x138_curChain)] = area->x130_next;
    }
  }

  area->SetChain(x4c_chainHeads[size_t(chain)], chain);
  x4c_chainHeads[size_t(chain)] = area;
}

void CWorld::MoveAreaToAliveChain(TAreaId aid) { MoveToChain(x18_areas[aid].get(), EChain::Alive); }

void CWorld::LoadSoundGroup(int groupId, CAssetId agscId, CSoundGroupData& data) {
  if (!CAudioSys::SysLoadGroupSet(g_SimplePool, agscId)) {
    auto name = CAudioSys::SysGetGroupSetName(agscId);
    CAudioSys::SysAddGroupIntoAmuse(name);
    data.xc_name = name;
    ++x6c_loadedAudioGrpCount;
  }
}

void CWorld::LoadSoundGroups() {}

void CWorld::UnloadSoundGroups() {
  for (CSoundGroupData& data : x74_soundGroupData) {
    CAudioSys::SysRemoveGroupFromAmuse(data.xc_name);
    CAudioSys::SysUnloadAudioGroupSet(data.xc_name);
  }
}

void CWorld::StopSounds() {
  for (CSfxHandle& hnd : xc8_globalSfxHandles)
    CSfxManager::RemoveEmitter(hnd);
  xc8_globalSfxHandles.clear();
}

bool CWorld::CheckWorldComplete(CStateManager* mgr, TAreaId id, CAssetId mreaId) {
  if (mreaId.IsValid()) {
    x68_curAreaId = 0;
    TAreaId aid = 0;
    for (const std::unique_ptr<CGameArea>& area : x18_areas) {
      if (area->x84_mrea == mreaId) {
        x68_curAreaId = aid;
        break;
      }
      ++aid;
    }
  } else
    x68_curAreaId = id;

  switch (x4_phase) {
  case Phase::Loading: {
    if (!x3c_loadToken->IsComplete())
      return false;
    athena::io::MemoryReader r(x40_loadBuf.get(), x44_bufSz);
    r.readUint32Big();
    int version = r.readUint32Big();
    xc_strgId = r.readUint32Big();

    if (version >= 15)
      x10_savwId = r.readUint32Big();
    if (version >= 12) {
      CAssetId skyboxId = r.readUint32Big();
      if (skyboxId.IsValid() && mgr)
        x94_skyboxWorld = g_SimplePool->GetObj(SObjectTag{FOURCC('CMDL'), skyboxId});
    }
    if (version >= 17)
      x2c_relays = CWorld::CRelay::ReadMemoryRelays(r);

    u32 areaCount = r.readUint32Big();
    r.readUint32Big();

    x18_areas.reserve(areaCount);
    for (u32 i = 0; i < areaCount; ++i) {
      x18_areas.push_back(std::make_unique<CGameArea>(r, i, version));
    }

    if (x48_chainCount < x4c_chainHeads.size()) {
      for (size_t i = x48_chainCount; i < x4c_chainHeads.size(); ++i) {
        x4c_chainHeads[i] = nullptr;
      }
      x48_chainCount = x4c_chainHeads.size();
    }

    for (std::unique_ptr<CGameArea>& area : x18_areas)
      MoveToChain(area.get(), EChain::Deallocated);

    x24_mapwId = r.readUint32Big();
    x28_mapWorld = g_SimplePool->GetObj(SObjectTag{FOURCC('MAPW'), x24_mapwId});

    if (mgr) {
      std::vector<TEditorId> ids;
      mgr->LoadScriptObjects(kInvalidAreaId, r, ids);
      mgr->InitScriptObjects(ids);
    }

    if (version > 10) {
      u32 audioGroupCount = r.readUint32Big();
      x74_soundGroupData.reserve(audioGroupCount);
      for (u32 i = 0; i < audioGroupCount; ++i) {
        int grpId = r.readUint32Big();
        CAssetId agscId = r.readUint32Big();
        x74_soundGroupData.emplace_back(grpId, agscId);
      }
    }

    if (version > 12) {
      x84_defAudioTrack = r.readString();
      std::string trackKey = fmt::format(FMT_STRING("WorldDefault: {}"), x8_mlvlId);
      if (g_TweakManager->HasTweakValue(trackKey))
        x84_defAudioTrack = g_TweakManager->GetTweakValue(trackKey)->GetAudio().GetFileName();
    }

    CWorldLayers::ReadWorldLayers(r, version, x8_mlvlId);

    x3c_loadToken.reset();
    x40_loadBuf.reset();
    x44_bufSz = 0;
    x4_phase = Phase::LoadingMap;
    [[fallthrough]];
  }
  case Phase::LoadingMap: {
    if (!x28_mapWorld.IsLoaded() || !x28_mapWorld.GetObj())
      return false;

    if (x68_curAreaId == kInvalidAreaId)
      x28_mapWorld->SetWhichMapAreasLoaded(*this, 0, 9999);
    else
      x28_mapWorld->SetWhichMapAreasLoaded(*this, x68_curAreaId, 3);

    x4_phase = Phase::LoadingMapAreas;
    [[fallthrough]];
  }
  case Phase::LoadingMapAreas: {
    if (x28_mapWorld->IsMapAreasStreaming())
      return false;

    x4_phase = Phase::LoadingSkyBox;
    [[fallthrough]];
  }
  case Phase::LoadingSkyBox: {
    x70_26_skyboxActive = true;
    x70_27_skyboxVisible = false;

    if (x94_skyboxWorld) {
      CModel* skybox = x94_skyboxWorld->GetObj();
      if (!skybox)
        return false;

      skybox->GetInstance().Touch(0);
      if (!skybox->IsLoaded(0))
        return false;

      xa4_skyboxWorldLoaded = x94_skyboxWorld;
    }

    for (CSoundGroupData& group : x74_soundGroupData)
      group.x1c_groupData.Lock();

    x4_phase = Phase::LoadingSoundGroups;
    [[fallthrough]];
  }
  case Phase::LoadingSoundGroups: {
    bool allLoaded = true;
    for (CSoundGroupData& group : x74_soundGroupData) {
      bool loaded = group.x1c_groupData.IsLoaded();
      allLoaded &= loaded;
      if (loaded) {
        CAudioGroupSet* groupData = group.x1c_groupData.GetObj();
        if (groupData)
          LoadSoundGroup(group.x0_groupId, group.x4_agscId, group);
      }
    }
    if (!allLoaded)
      return false;

    LoadSoundGroups();
    x4_phase = Phase::Done;
    [[fallthrough]];
  }
  case Phase::Done:
    return true;
  default:
    break;
  }

  return false;
}

bool CWorld::ScheduleAreaToLoad(CGameArea* area, CStateManager& mgr) {
  if (!area->IsPostConstructed()) {
    MoveToChain(area, EChain::Loading);
    return true;
  } else {
    if (area->x138_curChain != EChain::Alive) {
      if (area->x138_curChain != EChain::AliveJudgement) {
        x70_24_currentAreaNeedsAllocation = true;
      }
      MoveToChain(area, EChain::Alive);
    }
    return false;
  }
}

void CWorld::TravelToArea(TAreaId aid, CStateManager& mgr, bool skipLoadOther) {
  if (aid < 0 || aid >= x18_areas.size())
    return;
  x70_24_currentAreaNeedsAllocation = false;
  x68_curAreaId = aid;
  CGameArea* toDeallocateAreas = x4c_chainHeads[0];
  while (toDeallocateAreas) {
    if (toDeallocateAreas->Invalidate(&mgr)) {
      MoveToChain(toDeallocateAreas, EChain::Deallocated);
      break;
    }
    toDeallocateAreas = toDeallocateAreas->x130_next;
  }

  CGameArea* aliveAreas = x4c_chainHeads[3];
  while (aliveAreas) {
    CGameArea* aliveArea = aliveAreas;
    aliveAreas = aliveAreas->x130_next;
    MoveToChain(aliveArea, EChain::AliveJudgement);
  }
  CGameArea* loadingAreas = x4c_chainHeads[2];
  while (loadingAreas) {
    CGameArea* loadingArea = loadingAreas;
    loadingAreas = loadingAreas->x130_next;
    MoveToChain(loadingArea, EChain::ToDeallocate);
  }

  CGameArea* area = x18_areas[aid].get();
  if (area->x138_curChain != EChain::AliveJudgement)
    x70_24_currentAreaNeedsAllocation = true;
  area->Validate(mgr);
  MoveToChain(area, EChain::Alive);
  area->SetOcclusionState(CGameArea::EOcclusionState::Visible);

  CGameArea* otherLoadArea = nullptr;
  if (!skipLoadOther) {
    bool otherLoading = false;
    for (CGameArea::Dock& dock : area->xcc_docks) {
      u32 dockRefCount = dock.GetDockRefs().size();
      for (u32 i = 0; i < dockRefCount; ++i) {
        if (!dock.ShouldLoadOtherArea(i))
          continue;
        TAreaId connArea = dock.GetConnectedAreaId(i);
        CGameArea* cArea = x18_areas[connArea].get();
        if (!cArea->xf0_25_active)
          continue;
        if (!otherLoading) {
          otherLoading = ScheduleAreaToLoad(cArea, mgr);
          if (!otherLoading)
            continue;
          otherLoadArea = cArea;
        } else
          ScheduleAreaToLoad(cArea, mgr);
      }
    }
  }
  CGameArea* judgementAreas = x4c_chainHeads[4];
  while (judgementAreas) {
    CGameArea* judgementArea = judgementAreas;
    judgementAreas = judgementArea->x130_next;
    MoveToChain(judgementArea, EChain::ToDeallocate);
  }

  size_t toStreamCount = 0;
  toDeallocateAreas = x4c_chainHeads[0];
  while (toDeallocateAreas) {
    toDeallocateAreas->RemoveStaticGeometry();
    toDeallocateAreas = toDeallocateAreas->x130_next;
    ++toStreamCount;
  }

  if (!toStreamCount && otherLoadArea && !x70_25_loadPaused)
    otherLoadArea->StartStreamIn(mgr);

  x28_mapWorld->SetWhichMapAreasLoaded(*this, aid, 3);
}

void CWorld::SetLoadPauseState(bool paused) {
  for (auto it = GetChainHead(EChain::Loading); it != AliveAreasEnd(); ++it)
    it->SetLoadPauseState(paused);
  x70_25_loadPaused = paused;
}

void CWorld::CycleLoadPauseState() {
  if (!x70_25_loadPaused) {
    SetLoadPauseState(true);
    SetLoadPauseState(false);
  }
}

bool CWorld::ICheckWorldComplete() { return CheckWorldComplete(nullptr, kInvalidAreaId, -1); }

std::string CWorld::IGetDefaultAudioTrack() const { return x84_defAudioTrack; }

int CWorld::IGetAreaCount() const { return x18_areas.size(); }

bool CWorld::DoesAreaExist(TAreaId area) const { return (area >= 0 && area < x18_areas.size()); }

void CWorld::PropogateAreaChain(CGameArea::EOcclusionState occlusionState, CGameArea* area, CWorld* world) {
  if (!area->GetPostConstructed() || occlusionState == area->GetOcclusionState())
    return;

  if (occlusionState == CGameArea::EOcclusionState::Visible)
    area->SetOcclusionState(CGameArea::EOcclusionState::Visible);

  for (CGameArea& areaItr : *world) {
    if (&areaItr == area)
      continue;
    if (areaItr.IsPostConstructed() && areaItr.GetOcclusionState() == CGameArea::EOcclusionState::Visible)
      areaItr.OtherAreaOcclusionChanged();
  }

  for (CGameArea& areaItr : *world) {
    if (&areaItr == area)
      continue;
    if (areaItr.IsPostConstructed() && areaItr.GetOcclusionState() == CGameArea::EOcclusionState::Occluded)
      areaItr.OtherAreaOcclusionChanged();
  }

  if (occlusionState == CGameArea::EOcclusionState::Occluded)
    area->SetOcclusionState(CGameArea::EOcclusionState::Occluded);
}

void CWorld::Update(float dt) {
  xc4_neededFx = EEnvFxType::None;
  CAssetId overrideSkyId;
  bool needsSky = false;
  bool skyVisible = false;

  u32 areaCount = 0;

  for (auto head = GetChainHead(EChain::Alive); head != AliveAreasEnd(); ++head, ++areaCount) {
    head->AliveUpdate(dt);

    if (head->DoesAreaNeedSkyNow()) {
      const CScriptAreaAttributes* attrs = head->GetPostConstructed()->x10d8_areaAttributes;

      if (attrs && attrs->GetSkyModel().IsValid())
        overrideSkyId = attrs->GetSkyModel();

      needsSky = true;
      CGameArea::EOcclusionState occlusionState =
          (head->IsPostConstructed() ? head->GetPostConstructed()->x10dc_occlusionState
                                     : CGameArea::EOcclusionState::Occluded);
      if (occlusionState == CGameArea::EOcclusionState::Visible)
        skyVisible = true;
    }

    EEnvFxType envFxType = head->DoesAreaNeedEnvFx();
    if (envFxType != EEnvFxType::None)
      xc4_neededFx = envFxType;
  }

  if (areaCount == 0)
    return;

  if (overrideSkyId.IsValid() && needsSky) {
    x70_26_skyboxActive = true;
    x70_27_skyboxVisible = skyVisible;
    xb4_skyboxOverride = g_SimplePool->GetObj({SBIG('CMDL'), overrideSkyId});
    xa4_skyboxWorldLoaded.reset();
    if (x94_skyboxWorld)
      x94_skyboxWorld->Unlock();
  } else {
    xb4_skyboxOverride.reset();
    if (!x94_skyboxWorld) {
      x70_26_skyboxActive = false;
      x70_27_skyboxVisible = false;
    } else if (!needsSky) {
      xa4_skyboxWorldLoaded.reset();
      x94_skyboxWorld->Unlock();
      x70_26_skyboxActive = false;
      x70_27_skyboxVisible = false;
    } else {
      if (!xa4_skyboxWorldLoaded) {
        x94_skyboxWorld->Lock();
        if (x94_skyboxWorld->IsLoaded()) {
          x94_skyboxWorld.value()->Touch(0);
          if (x94_skyboxWorld.value()->IsLoaded(0))
            xa4_skyboxWorldLoaded = x94_skyboxWorld;
        }
      }
      x70_26_skyboxActive = true;
      x70_27_skyboxVisible = skyVisible;
    }
  }
}

void CWorld::PreRender() {
  for (auto head = GetChainHead(EChain::Alive); head != AliveAreasEnd(); ++head) {
    head->PreRender();
  }
}

void CWorld::TouchSky() {
  if (xa4_skyboxWorldLoaded && xa4_skyboxWorldLoaded->IsLoaded())
    xa4_skyboxWorldLoaded.value()->Touch(0);
  if (xb4_skyboxOverride && xb4_skyboxOverride->IsLoaded())
    xb4_skyboxOverride.value()->Touch(0);
}

void CWorld::DrawSky(const zeus::CTransform& xf) const {
  const CModel* model;
  if (xa4_skyboxWorldLoaded)
    model = xa4_skyboxWorldLoaded->GetObj();
  else if (xb4_skyboxOverride)
    model = xb4_skyboxOverride->GetObj();
  else
    return;

  if (!x70_27_skyboxVisible)
    return;

  SCOPED_GRAPHICS_DEBUG_GROUP("CWorld::DrawSky", zeus::skCyan);

  CGraphics::DisableAllLights();
  CGraphics::SetModelMatrix(xf);
  g_Renderer->SetAmbientColor(zeus::skWhite);
  CGraphics::SetDepthRange(DEPTH_SKY, DEPTH_FAR);

  CModelFlags flags(0, 0, 1, zeus::skWhite);
  flags.m_noZWrite = true;
  model->Draw(flags);

  CGraphics::SetDepthRange(DEPTH_WORLD, DEPTH_FAR);
}

void CWorld::StopGlobalSound(u16 id) {
  auto search = std::find_if(xc8_globalSfxHandles.begin(), xc8_globalSfxHandles.end(),
                             [id](CSfxHandle& hnd) { return hnd->GetSfxId() == id; });
  if (search != xc8_globalSfxHandles.end()) {
    CSfxManager::RemoveEmitter(*search);
    xc8_globalSfxHandles.erase(search);
  }
}

bool CWorld::HasGlobalSound(u16 id) const {
  auto search = std::find_if(xc8_globalSfxHandles.begin(), xc8_globalSfxHandles.end(),
                             [id](const CSfxHandle& hnd) { return hnd->GetSfxId() == id; });
  return search != xc8_globalSfxHandles.end();
}

void CWorld::AddGlobalSound(const CSfxHandle& hnd) {
  if (xc8_globalSfxHandles.size() >= xc8_globalSfxHandles.capacity())
    return;
  xc8_globalSfxHandles.push_back(hnd);
}

bool CWorld::AreSkyNeedsMet() const {
  if (!x70_26_skyboxActive)
    return true;
  if (xb4_skyboxOverride && xb4_skyboxOverride.value()->IsLoaded(0))
    return true;
  if (xa4_skyboxWorldLoaded && xa4_skyboxWorldLoaded.value()->IsLoaded(0))
    return true;
  return x94_skyboxWorld && x94_skyboxWorld.value()->IsLoaded(0);
}

TAreaId CWorld::GetAreaIdForSaveId(s32 saveId) const {
  if (saveId == -1) {
    return kInvalidAreaId;
  }

  if (x18_areas.empty()) {
    return kInvalidAreaId;
  }

  const auto iter = std::find_if(x18_areas.cbegin(), x18_areas.cend(),
                                 [saveId](const auto& area) { return area->x88_areaId == saveId; });
  if (iter == x18_areas.cend()) {
    return kInvalidAreaId;
  }

  return TAreaId(std::distance(x18_areas.cbegin(), iter));
}
} // namespace urde