#include "LightmapBuilder.h"
#include "Game.h"
#include "stru314.h"
#include "Outdoor.h"
#include "Log.h"

#include "mm7_data.h"







LightsStack_StationaryLight_ *pStationaryLightsStack = new LightsStack_StationaryLight_;
//StationaryLight pStationaryLights[400];
//int uNumStationaryLightsApplied; // weak
LightsStack_MobileLight_ *pMobileLightsStack = new LightsStack_MobileLight_;
//MobileLight pMobileLights[400];
//int uNumMobileLightsApplied;





//----- (0045DF13) --------------------------------------------------------
Lightmap::Lightmap()
{
  field_C18 = 0;
}





//----- (0045BB06) --------------------------------------------------------
LightmapBuilder::LightmapBuilder()
{
}





//----- (0045BC07) --------------------------------------------------------
bool LightmapBuilder::ApplyLights(stru320 *a2, stru154 *a3, unsigned int uNumVertices, RenderVertexSoft *a5, IndoorCameraD3D_Vec4 *a6, char uClipFlag)
{
  Vec3_int_ pos; // [sp+2Ch] [bp-40h]@21
  RenderVertexSoft *a9; // [sp+68h] [bp-4h]@8

  if (!uNumVertices)
    return false;

  static RenderVertexSoft static_69B140[64];

  a9 = a5;
  if (a6)
  {
    for (uint i = 0; i < uNumVertices; ++i)
      memcpy(static_69B140 + i, a5 + i, sizeof(RenderVertexSoft));

    __debugbreak();
    if (pGame->pIndoorCameraD3D->_437376(
           a3,
           static_69B140,
           &uNumVertices) == 1)
    {
      if ( !uNumVertices )
        return false;
      a9 = static_69B140;
    }
  }

  static stru314 static_69B110;
  static_69B110.field_4.x = a3->face_plane.vNormal.x;
  static_69B110.field_4.y = a3->face_plane.vNormal.y;
  static_69B110.field_4.z = a3->face_plane.vNormal.z;
  static_69B110.dist = a3->face_plane.dist;
  if (!pGame->pIndoorCameraD3D->GetFacetOrientation(
          a3->polygonType,
          &static_69B110.field_4,
          &static_69B110.field_10,
          &static_69B110.field_1C))
  {
    MessageBoxW(nullptr, L"Error: Failed to get the facet orientation", L"E:\\WORK\\MSDEV\\MM7\\MM7\\Code\\Light.cpp:119", 0);
    ExitProcess(0);
  }

  for (uint i = 0; i < a2->uNumLightsApplied; ++i)
  {
    pos.x = a2->_blv_lights_xs[i];
    pos.y = a2->_blv_lights_ys[i];
    pos.z = a2->_blv_lights_zs[i];

    uint uColorR = (uint)floorf(a2->_blv_lights_rs[i] * 255.0 + 0.5f) & 0xFF,
         uColorG = (uint)floorf(a2->_blv_lights_gs[i] * 255.0 + 0.5f) & 0xFF,
         uColorB = (uint)floorf(a2->_blv_lights_bs[i] * 255.0 + 0.5f) & 0xFF;
    uint uColor = (uColorR << 16) | (uColorG << 8) | uColorB;
    if (!uColor)
      uColor = 0x00FFFFF;

    if (!_45BE86_build_light_polygon(
              &pos,
              a2->_blv_lights_radii[i],
              uColor,
              a2->_blv_lights_light_dot_faces[i],
              a2->_blv_lights_types[i],
              &static_69B110,
              uNumVertices,
              a9,
              uClipFlag) )
    {
      MessageBoxW(nullptr, L"Error: Failed to build light polygon", L"E:\\WORK\\MSDEV\\MM7\\MM7\\Code\\Light.cpp:138", 0);
    }
  }
  return true;
}

//----- (0045BE86) --------------------------------------------------------
bool LightmapBuilder::_45BE86_build_light_polygon(Vec3_int_ *pos, float radius, unsigned int uColorMask, float dot_dist, int uLightType, stru314 *a7, unsigned int uNumVertices, RenderVertexSoft *a9, char uClipFlag)
{
  Lightmap *v11; // edi@3
  double v17; // st7@5
  double v24; // st7@6
  int v31; // eax@8
  int v32; // ebx@8
  unsigned int v33; // ecx@8
  int v34; // edx@9
  int v35; // edx@11
  unsigned int v36; // edx@13
  int v37; // ecx@14
  double v38; // st7@14
  double v39; // st7@16
  double v40; // st7@16
  int v45; // eax@24
  int v53; // [sp-8h] [bp-54h]@34

  if (fabsf(radius) < 1e-6f)
    return true;

  v11 = uLightType & 1 ? &std__vector_000004[std__vector_000004_size] :
                         &std__vector_183808[std__vector_183808_size];
  flt_3C8C24 = radius - dot_dist;
  flt_3C8C28 = sqrt((radius + dot_dist) * (radius - dot_dist));
  flt_3C8C2C_lightmaps_brightness = 1.0 - (radius - flt_3C8C28) / radius;
  v11->field_C08 = (double)pos->x - dot_dist * a7->field_4.x;
  v11->field_C0A = (double)pos->y - dot_dist * a7->field_4.y;
  v11->field_C0C = (double)pos->z - dot_dist * a7->field_4.z;

  v17 = radius * flt_3C8C2C_lightmaps_brightness;
  flt_3C8C30 = v17;
  flt_3C8C0C = v17 * a7->field_10.x;
  flt_3C8C10 = v17 * a7->field_10.y;
  flt_3C8C14 = v17 * a7->field_10.z;
  flt_3C8C18 = v17 * a7->field_1C.x;
  flt_3C8C1C = v17 * a7->field_1C.y;
  flt_3C8C20 = v17 * a7->field_1C.z;

  /*
  v11->pVertices[0].vWorldPosition.x = v11->field_C08 - flt_3C8C18 + flt_3C8C0C;
  v11->pVertices[0].vWorldPosition.y = v11->field_C0A - flt_3C8C1C + flt_3C8C10;
  v11->pVertices[0].vWorldPosition.z = v11->field_C0C - flt_3C8C20 + flt_3C8C14;
  v11->pVertices[0].u = 0.0;
  v11->pVertices[0].v = 0.0;

  v11->pVertices[1].vWorldPosition.x = v11->field_C08 - flt_3C8C18 - flt_3C8C0C;
  v11->pVertices[1].vWorldPosition.y = v11->field_C0A - flt_3C8C1C - flt_3C8C10;
  v11->pVertices[1].vWorldPosition.z = v11->field_C0C - flt_3C8C20 - flt_3C8C14;
  v11->pVertices[1].u = 0.0;
  v11->pVertices[1].v = 1.0;

  v11->pVertices[2].vWorldPosition.x = v11->field_C08 + flt_3C8C18 - flt_3C8C0C;
  v11->pVertices[2].vWorldPosition.y = v11->field_C0A + flt_3C8C1C - flt_3C8C10;
  v11->pVertices[2].vWorldPosition.z = v11->field_C0C + flt_3C8C20 - flt_3C8C14;
  v11->pVertices[2].u = 1.0;
  v11->pVertices[2].v = 1.0;

  v11->pVertices[3].vWorldPosition.x = v11->field_C08 + flt_3C8C18 + flt_3C8C0C;
  v11->pVertices[3].vWorldPosition.y = v11->field_C0A + flt_3C8C1C + flt_3C8C10;
  v11->pVertices[3].vWorldPosition.z = v11->field_C0C + flt_3C8C20 + flt_3C8C14;
  v11->pVertices[3].u = 1.0;
  v11->pVertices[3].v = 0.0;
  */

  for (uint i = 0; i < 4; ++i)
  {
    v11->pVertices[i].vWorldPosition.x = v11->field_C08 - flt_3C8C18 + flt_3C8C0C;
    v11->pVertices[i].vWorldPosition.y = v11->field_C0A - flt_3C8C1C + flt_3C8C10;
    v11->pVertices[i].vWorldPosition.z = v11->field_C0C - flt_3C8C20 + flt_3C8C14;
    v11->pVertices[i].u = 0.0;
    v11->pVertices[i].v = 0.0;

    v24 = a7->field_4.y * v11->pVertices[i].vWorldPosition.y
        + a7->field_4.z * v11->pVertices[i].vWorldPosition.z
        + a7->field_4.x * v11->pVertices[i].vWorldPosition.x
        + a7->dist;

    v11->pVertices[i].vWorldPosition.x -= v24 * a7->field_4.x;
    v11->pVertices[i].vWorldPosition.y -= v24 * a7->field_4.y;
    v11->pVertices[i].vWorldPosition.z -= v24 * a7->field_4.z;
  }

  v11->uColorMask = uColorMask;
  v11->uNumVertices = 4;

  if (~pGame->uFlags2 & 4)
    v11->fBrightness = flt_3C8C2C_lightmaps_brightness;
  else
  {
    Vec3_float_ a1; // [sp+2Ch] [bp-20h]@8
    a1.x = (double)pos->x - v11->field_C08;
    a1.y = (double)pos->y - v11->field_C0A;
    a1.z = (double)pos->z - v11->field_C0C;
    a1.Normalize();

    auto dist_x = abs(pos->x - v11->field_C08), //v31
         dist_y = abs(pos->y - v11->field_C0A), //v32  arg0a
         dist_z = abs(pos->z - v11->field_C0C); //v33  _v64
    v31 = dist_x;
    v32 = dist_y;
    v33 = dist_z;
    if (v31 < dist_y)
    {
      v34 = v31;
      v31 = dist_y;
      v32 = v34;
    }
    if (v31 < dist_z)//SHIDWORD(v64) )
    {
      v35 = v31;
      v31 = dist_z;//HIDWORD(v64);
      v33 = v35;
    }
    if ( v32 < (signed int)v33 )
    {
      v36 = v33;
      v33 = v32;
      v32 = v36;
    }
    v37 = v33 >> 2;
    //LODWORD(a5) = ((unsigned int)(11 * v32) >> 5) + v37 + v31;
    v38 = (double)(signed)(((unsigned int)(11 * v32) >> 5) + v37 + v31);
    if (v38 > radius)
      return true;
    //radius = (1 / radius) * v38;
    if ( uLightType & 4 )
    {
      //v59 = (void *)v37;
      //uLightType = flt_4D86CC;
      //v58 = v37;
      v39 = fabs(a1.x * a7->field_4.x + a1.z * a7->field_4.z + a1.y * a7->field_4.y);
      v40 = v39 * 1.0 * flt_4D86CC;

      v11->fBrightness = v40 - (1 / radius) * v38 * v40;
    }
    else if ( uLightType & 8 )
    {
        v40 = 1.0 * 1.0;
        v11->fBrightness = v40 - (1 / radius) * v38;
    }
    else
    {
        MessageBoxW(nullptr, L"Invalid light type!", L"E:\\WORK\\MSDEV\\MM7\\MM7\\Code\\Light.cpp:277", 0);
    }
  }

  __debugbreak(); // foil
  if (!pGame->pStru9Instance->_4980B9(a9, uNumVertices,
                                      a7->field_4.x, a7->field_4.y, a7->field_4.z,
                                      v11->pVertices, &v11->uNumVertices))
    return false;

  //v44 = &v11->uNumVertices;
  if (!v11->uNumVertices)
    return true;

  v45 = _45C6D6(uNumVertices, a9, v11);
  if ( v45 != uNumVertices && v45 > 0 )
    _45C4B9(uNumVertices, a9, v11);
  //v59 = v11->uNumVertices;
  //v46 = (RenderVertexSoft *)pLightmapVertices_;
  pGame->pIndoorCameraD3D->ViewTransform(v11->pVertices, v11->uNumVertices);
  //v59 = 0;
  //v58 = v11->uNumVertices;
  pGame->pIndoorCameraD3D->Project(v11->pVertices, v11->uNumVertices, 0);

  unsigned int _a4 = 0;
  if ( !(uClipFlag & 1) )
    _a4 = 1;
  else if ( uCurrentlyLoadedLevelType == LEVEL_Outdoor)
  {
    if ( uClipFlag & 2 )
    {
      //v59 = &a4;
      //v58 = (unsigned int)field_3C8C34;
      //v57 = *v44;
      pGame->pIndoorCameraD3D->_436CDC_mess_with_lightmap__clipflag_2(v11->pVertices, v11->uNumVertices, field_3C8C34, &_a4);

      //v59 = v44;
      //v58 = (unsigned int)field_3C8C34;
      //v57 = (int)v46;
      //v56 = a4;
      pGame->pIndoorCameraD3D->_437143(_a4, v11->pVertices, field_3C8C34, &v11->uNumVertices);
    }
    else if ( uClipFlag & 4 )
    {
      //v59 = &a4;
      //v58 = (unsigned int)field_3C8C34;
      //v57 = *v44;
      pGame->pIndoorCameraD3D->_436F09_mess_with_lightmap__clipflag_4(v11->pVertices, v11->uNumVertices, field_3C8C34, &_a4);

      //v59 = v44;
      //v58 = (unsigned int)field_3C8C34;
      //v57 = (int)v46;
      //v56 = a4;
      pGame->pIndoorCameraD3D->_437143(_a4, v11->pVertices, field_3C8C34, &v11->uNumVertices);
    }
    else
      MessageBoxW(nullptr, L"Undefined clip flag specified", L"E:\\WORK\\MSDEV\\MM7\\MM7\\Code\\Light.cpp:330", 0);
  }
  else
    MessageBoxW(nullptr, L"Lightpoly builder native indoor clipping not implemented", L"E:\\WORK\\MSDEV\\MM7\\MM7\\Code\\Light.cpp:335", 0);

  if (_a4)
  {
    if (uLightType & 1)
    {
      //v48 = (char *)&std__vector_000004_size;
      //v49 = std__vector_000004_size;
      //v51 = __OFSUB__(std__vector_000004_size, 511);
      //v50 = std__vector_000004_size - 511 < 0;
      if (std__vector_000004_size < 512 - 1)
        ++std__vector_000004_size;
    }
    else
    {
      //v48 = (char *)&std__vector_183808_size;
      //v49 = std__vector_183808_size;
      //v51 = __OFSUB__(std__vector_183808_size, 767);
      //v50 = std__vector_183808_size - 767 < 0;
      if (std__vector_183808_size < 768 - 1)
        ++std__vector_183808_size;
    }
    //if ( v50 ^ v51 )
    //  *(unsigned int *)v48 = v49 + 1;
  }
  return true;
}

//----- (0045C4B9) --------------------------------------------------------
int LightmapBuilder::_45C4B9(int a2, RenderVertexSoft *a3, Lightmap *pLightmap)
{
  Lightmap *v4; // edi@1
  int v5; // eax@1
  signed int v6; // ecx@1
  RenderVertexSoft *v7; // ebx@2
  int v8; // edx@3
  RenderVertexSoft *v9; // esi@3
  int v10; // eax@6
  char *v11; // edi@7
  RenderVertexSoft *v12; // ecx@8
  char v13; // bl@17
  signed int v14; // edx@17
  double v15; // st6@18
  double v16; // st6@21
  double v17; // st6@24
  signed int v18; // edx@33
  int v20; // [sp+4h] [bp-1Ch]@3
  int v21; // [sp+8h] [bp-18h]@8
  float v22; // [sp+Ch] [bp-14h]@23
  float v23; // [sp+10h] [bp-10h]@20
  int v24; // [sp+14h] [bp-Ch]@1
  RenderVertexSoft *v25; // [sp+18h] [bp-8h]@2
  char v26; // [sp+1Eh] [bp-2h]@17
  char v27; // [sp+1Fh] [bp-1h]@17

  v4 = pLightmap;
  v5 = 0;
  v6 = pLightmap->uNumVertices;
  v24 = 0;
  if ( v6 > 0 )
  {
    v7 = pLightmap->pVertices;
    v25 = pLightmap->pVertices;
    do
    {
      v20 = v5 + 1;
      v8 = (v5 + 1) % v6;
      v9 = &v4->pVertices[v8];
      if ( v7->vWorldPosition.x != v9->vWorldPosition.x
        || v7->vWorldPosition.y != v4->pVertices[v8].vWorldPosition.y
        || v7->vWorldPosition.z != v4->pVertices[v8].vWorldPosition.z )
      {
        v10 = 0;
        if ( a2 > 0 )
        {
          v11 = (char *)&a3->vWorldPosition.z;
          do
          {
            v21 = v10 + 1;
            v12 = &a3[(v10 + 1) % a2];
            if ( (*((float *)v11 - 2) != v12->vWorldPosition.x
               || *((float *)v11 - 1) != v12->vWorldPosition.y
               || *(float *)v11 != v12->vWorldPosition.z)
              && v7->vWorldPosition.x == *((float *)v11 - 2)
              && v7->vWorldPosition.y == *((float *)v11 - 1)
              && v7->vWorldPosition.z == *(float *)v11
              && (v9->vWorldPosition.x != v12->vWorldPosition.x
               || v9->vWorldPosition.y != v12->vWorldPosition.y
               || v9->vWorldPosition.z != v12->vWorldPosition.z) )
            {
              v13 = 0;
              v14 = 0;
              v27 = 0;
              v26 = 0;
              if ( v9->vWorldPosition.x <= (double)v12->vWorldPosition.x )
                v15 = v12->vWorldPosition.x - v9->vWorldPosition.x;
              else
                v15 = v9->vWorldPosition.x - v12->vWorldPosition.x;
              v23 = v15;
              if ( v9->vWorldPosition.y <= (double)v12->vWorldPosition.y )
                v16 = v12->vWorldPosition.y - v9->vWorldPosition.y;
              else
                v16 = v9->vWorldPosition.y - v12->vWorldPosition.y;
              v22 = v16;
              if ( v9->vWorldPosition.z <= (double)v12->vWorldPosition.z )
                v17 = v12->vWorldPosition.z - v9->vWorldPosition.z;
              else
                v17 = v9->vWorldPosition.z - v12->vWorldPosition.z;
              if ( v23 < 1.0 )
              {
                v13 = 1;
                v14 = 1;
              }
              if ( v22 < 1.0 )
              {
                v27 = 1;
                ++v14;
              }
              if ( v17 < 1.0 )
              {
                v26 = 1;
                ++v14;
              }
              if ( v14 > 1 )
              {
                v18 = 0;
                if ( v13 && v9->vWorldPosition.x != v12->vWorldPosition.x )
                {
                  v18 = 1;
                  v9->vWorldPosition.x = v12->vWorldPosition.x;
                }
                if ( v27 && v9->vWorldPosition.y != v12->vWorldPosition.y )
                {
                  ++v18;
                  v9->vWorldPosition.y = v12->vWorldPosition.y;
                }
                if ( v26 && v9->vWorldPosition.z != v12->vWorldPosition.z )
                {
                  ++v18;
                  v9->vWorldPosition.z = v12->vWorldPosition.z;
                }
                if ( v18 > 0 )
                  ++v24;
              }
              v7 = v25;
            }
            ++v10;
            v11 += 48;
          }
          while ( v21 < a2 );
          v4 = pLightmap;
        }
      }
      v5 = v20;
      v6 = v4->uNumVertices;
      ++v7;
      v25 = v7;
    }
    while ( v20 < v6 );
  }
  return v24;
}

//----- (0045C6D6) --------------------------------------------------------
int LightmapBuilder::_45C6D6(int a2, RenderVertexSoft *a3, Lightmap *pLightmap)
{
  Lightmap *v4; // edi@1
  signed int v5; // ebx@1
  signed int v6; // esi@1
  RenderVertexSoft *v7; // ecx@2
  char *v8; // edx@4
  double v9; // st7@6
  double v10; // st6@10
  double v11; // st5@14
  double v12; // st7@17
  RenderVertexSoft *v13; // eax@21
  int v15; // [sp+Ch] [bp-8h]@1
  float v16; // [sp+10h] [bp-4h]@1
  int pLightmapa; // [sp+24h] [bp+10h]@3

  v4 = pLightmap;
  v5 = 0;
  v6 = -1;
  v16 = 3.4028235e38;
  v15 = 0;
  if ( (signed int)pLightmap->uNumVertices > 0 )
  {
    v7 = pLightmap->pVertices;
    do
    {
      pLightmapa = 0;
      if ( a2 > 0 )
      {
        v8 = (char *)&a3->vWorldPosition.z;
        do
        {
          if ( v7->vWorldPosition.x <= (double)*((float *)v8 - 2) )
            v9 = *((float *)v8 - 2) - v7->vWorldPosition.x;
          else
            v9 = v7->vWorldPosition.x - *((float *)v8 - 2);
          if ( v9 < 2.0 )
          {
            v10 = v7->vWorldPosition.y <= (double)*((float *)v8 - 1) ? *((float *)v8 - 1) - v7->vWorldPosition.y : v7->vWorldPosition.y - *((float *)v8 - 1);
            if ( v10 < 2.0 )
            {
              v11 = v7->vWorldPosition.z <= (double)*(float *)v8 ? *(float *)v8 - v7->vWorldPosition.z : v7->vWorldPosition.z - *(float *)v8;
              if ( v11 < 2.0 )
              {
                v12 = v9 + v11 + v10;
                if ( v12 < v16 )
                {
                  v16 = v12;
                  v6 = pLightmapa;
                }
              }
            }
          }
          ++pLightmapa;
          v8 += 48;
        }
        while ( pLightmapa < a2 );
        if ( v6 != -1 )
        {
          v13 = &a3[v6];
          ++v15;
          v7->vWorldPosition.x = v13->vWorldPosition.x;
          v7->vWorldPosition.y = v13->vWorldPosition.y;
          v7->vWorldPosition.z = v13->vWorldPosition.z;
        }
      }
      v6 = -1;
      ++v5;
      ++v7;
      v16 = 3.4028235e38;
    }
    while ( v5 < (signed int)v4->uNumVertices );
  }
  return v15;
}

//----- (0045C7F6) --------------------------------------------------------
bool LightmapBuilder::ApplyLights_IndoorFace(unsigned int uFaceID)
{
  auto pFace = &pIndoor->pFaces[uFaceID];
  auto pSector = pIndoor->pSectors + pFace->uSectorID;

  stru_F8AD28.uCurrentAmbientLightLevel = (stru_F8AD28.uDefaultAmbientLightLevel + pSector->uMinAmbientLightLevel) << 16;

  uint uNumLightsApplied = 0;
  for (uint i = 0; i < pMobileLightsStack->uNumLightsActive; ++i)
  {
    if (uNumLightsApplied >= 20)
      break;

    ApplyLight_BLV((StationaryLight *)(pMobileLightsStack->pLights + i), pFace, &uNumLightsApplied, true, 0);
  }

  for (uint i = 0; i < pSector->uNumLights; ++i)
  {
    if (uNumLightsApplied >= 20 )
      break;

    auto pLight = &pIndoor->pLights[pSector->pLights[i]];
    if (~pLight->uAtributes & 0x08)
      ApplyLight_BLV((StationaryLight *)pLight, pFace, &uFaceID, false, &byte_4E94D0);
  }

  for (uint i = 0; i < pStationaryLightsStack->uNumLightsActive; ++i)
  {
    if (uNumLightsApplied >= 20)
      break;

    ApplyLight_BLV(pStationaryLightsStack->pLights + i, pFace, &uNumLightsApplied, false, &byte_4E94D0);
  }

  stru_F8AD28.uNumLightsApplied = uNumLightsApplied;
  return true;
}

//----- (0045C911) --------------------------------------------------------
bool LightmapBuilder::ApplyLight_BLV(StationaryLight *pLight, BLVFace *a2, unsigned int *pSlot, bool bLightBackfaces, char *a5)
{
  double v13; // st7@8

  if (!pLight->uRadius)
    return false;

  if (pLight->vPosition.x > a2->pBounding.x1 - pLight->uRadius &&
      pLight->vPosition.x < a2->pBounding.x2 + pLight->uRadius &&
      pLight->vPosition.y > a2->pBounding.y1 - pLight->uRadius &&
      pLight->vPosition.y < a2->pBounding.y2 + pLight->uRadius &&
      pLight->vPosition.z > a2->pBounding.z1 - pLight->uRadius &&
      pLight->vPosition.z < a2->pBounding.z2 + pLight->uRadius)
  {
    v13 = (double)pLight->vPosition.z * a2->pFacePlane.vNormal.z +
          (double)pLight->vPosition.y * a2->pFacePlane.vNormal.y +
          (double)pLight->vPosition.x * a2->pFacePlane.vNormal.x +
          a2->pFacePlane.dist;
    if ((bLightBackfaces || v13 >= 0.0f) && fabsf(v13) <= pLight->uRadius)
    {
      auto slot = *pSlot;

      stru_F8AD28._blv_lights_radii[slot] = pLight->uRadius;
      stru_F8AD28._blv_lights_inv_radii[slot] = 65536 / pLight->uRadius;
      stru_F8AD28._blv_lights_xs[slot] = pLight->vPosition.x;
      stru_F8AD28._blv_lights_ys[slot] = pLight->vPosition.y;
      stru_F8AD28._blv_lights_zs[slot] = pLight->vPosition.z;
      stru_F8AD28._blv_lights_rs[slot] = (double)pLight->uLightColorR / 255.0f;
      stru_F8AD28._blv_lights_gs[slot] = (double)pLight->uLightColorG / 255.0f;
      stru_F8AD28._blv_lights_bs[slot] = (double)pLight->uLightColorB / 255.0f;
      stru_F8AD28._blv_lights_light_dot_faces[slot] = abs((int)floorf(v13 + 0.5f));
      stru_F8AD28._blv_lights_types[slot] = pLight->uLightType;

      *pSlot += 1;
      return true;
    }
  }

  return false;
}

//----- (0045CA88) --------------------------------------------------------
int LightmapBuilder::_45CA88(stru320 *a2, RenderVertexSoft *a3, int a4, Vec3_float_ *pNormal)
{
  int result; // eax@1
  stru320 *v6; // ecx@2
  RenderVertexSoft *v7; // ebx@2
  double v8; // st7@2
  double v9; // st6@2
  char *v10; // eax@3
  double v11; // st7@5
  __int64 v12; // ST2C_8@5
  float v13; // edx@5
  int v14; // eax@5
  float v15; // ST10_4@5
  Vec3_float_ v16; // ST00_12@5
  double v17; // st7@5
  int a5; // [sp+2Ch] [bp-1Ch]@1
  float v19; // [sp+30h] [bp-18h]@1
  float v20; // [sp+34h] [bp-14h]@1
  LightmapBuilder *thisa; // [sp+38h] [bp-10h]@1
  int v22; // [sp+3Ch] [bp-Ch]@1
  int *j; // [sp+40h] [bp-8h]@3
  int i; // [sp+44h] [bp-4h]@1
  int a3a; // [sp+58h] [bp+10h]@2

  *(float *)&a5 = 0.0;
  v19 = 0.0;
  thisa = this;
  v20 = 0.0;
  result = _45CBD4(a3, a4, dword_69B010, &v22);
  for ( i = 0; i < v22; result = i )
  {
    v6 = a2;
    a3a = 0;
    v7 = &a3[dword_69B010[i]];
    v8 = v7->vWorldPosition.z;
    v9 = v7->vWorldPosition.y;
    *(float *)&a5 = v7->vWorldPosition.x;
    v19 = v9;
    v20 = v8;
    v7->flt_2C = 0.0;
    if ( a2->uNumLightsApplied > 0 )
    {
      v10 = (char *)a2->_blv_lights_ys;
      for ( j = a2->_blv_lights_ys; ; v10 = (char *)j )
      {
        v11 = (double)*((signed int *)v10 - 60);
        LODWORD(v12) = *((unsigned int *)v10 - 20);
        HIDWORD(v12) = *(unsigned int *)v10;
        LODWORD(v13) = *((unsigned int *)v10 + 60);
        v14 = a3a;
        LOBYTE(v14) = v6->_blv_lights_types[a3a];
        v15 = v11;
        *(_QWORD *)&v16.x = v12;
        v16.z = v13;
        v17 = _45CC0C_light(v16/*COERCE_VEC3_FLOAT_(v16.x)*/, 1.0, v15, pNormal, *(float *)&a5/*COERCE_FLOAT(&a5)*/, v14)
            + v7->flt_2C;
        ++a3a;
        ++j;
        v7->flt_2C = v17;
        if ( a3a >= a2->uNumLightsApplied )
          break;
        v6 = a2;
      }
    }
    ++i;
  }
  return result;
}

//----- (0045CB89) --------------------------------------------------------
int LightmapBuilder::_45CB89(RenderVertexSoft *a1, int a2)
{
  int v3; // edx@1
  int result; // eax@2
  char *v5; // ecx@2
  double v6; // st7@4
  __int16 v7; // fps@4
  char v8; // c0@4
  char v9; // c2@4
  char v10; // c3@4
  double v11; // st7@5
  double v12; // st7@6
  __int16 v13; // fps@6
  char v14; // c0@6
  char v15; // c2@6
  char v16; // c3@6

  v3 = a2;
  if ( a2 > 0 )
  {
    HIWORD(result) = HIWORD(a1);
    v5 = (char *)&a1->flt_2C;
    do
    {
      if ( *(float *)v5 < 0.0
        || (v6 = *(float *)v5, /*UNDEF(v7),*/ v8 = 1.0 < v6, v9 = 0, v10 = 1.0 == v6, LOWORD(result) = v7, v6 <= 1.0) )
      {
        v12 = *(float *)v5;
        //UNDEF(v13);
        v14 = 0.0 < v12;
        v15 = 0;
        v16 = 0.0 == v12;
        LOWORD(result) = v13;
        if ( v12 >= 0.0 )
          v11 = *(float *)v5;
        else
          v11 = 0.0;
      }
      else
      {
        v11 = 1.0;
      }
      *(float *)v5 = v11;
      v5 += 48;
      --v3;
    }
    while ( v3 );
  }
  return result;
}

//----- (0045CBD4) --------------------------------------------------------
int LightmapBuilder::_45CBD4(RenderVertexSoft *a2, int a3, int *a4, int *a5)
{
  int result; // eax@1
  int v6; // edx@1
  int v7; // ecx@2
  int v8; // esi@2

  result = (int)a5;
  v6 = 0;
  for ( *a5 = 0; v6 < a3; ++v6 )
  {
    v7 = *a5;
    v8 = 0;
    if ( *a5 <= 0 )
    {
LABEL_5:
      a4[v7] = v6;
      ++*a5;
    }
    else
    {
      while ( a4[v8] != v6 )
      {
        ++v8;
        if ( v8 >= v7 )
          goto LABEL_5;
      }
    }
  }
  return result;
}

//----- (0045CC0C) --------------------------------------------------------
double LightmapBuilder::_45CC0C_light(Vec3_float_ a1, float a2, float a3, Vec3_float_ *pNormal, float a5, int uLightType)
{
  float v7; // esi@1
  int v8; // eax@1
  int v9; // ebx@1
  unsigned int v10; // ecx@1
  int v11; // edx@2
  int v12; // edx@4
  unsigned int v13; // edx@6
  double v14; // st7@7
  double result; // st7@8
  double v16; // st7@9
  int v17; // esi@9
  const char *v18; // ecx@9
  double v19; // st7@10
  double v20; // st7@10
  std::string v21; // [sp-10h] [bp-40h]@13
  const char *v22[6]; // [sp+0h] [bp-30h]@10
  double v23; // [sp+18h] [bp-18h]@1
  double v24; // [sp+20h] [bp-10h]@1
  int v25; // [sp+28h] [bp-8h]@1
  int v26; // [sp+2Ch] [bp-4h]@1

  v7 = a5;
  LODWORD(a5) = *(unsigned int *)(LODWORD(a5) + 8);
  //v24 = a5 + 6.7553994e15;
  v26 = floorf(a5 + 0.5f);//LODWORD(v24);
  LODWORD(a5) = *(unsigned int *)(LODWORD(v7) + 4);
  //v24 = a5 + 6.7553994e15;
  auto _v24 = floorf(a5 + 0.5f);
  LODWORD(a5) = *(unsigned int *)LODWORD(v7);
  //v23 = a5 + 6.7553994e15;
  auto _v23 = floorf(a5 + 0.5f);
  //*(_QWORD *)((char *)&v24 + 4) = __PAIR__(LODWORD(v24), LODWORD(v23));
  v26 = abs((signed)LODWORD(a1.z) - v26);
  //v25 = abs((signed)LODWORD(a1.y) - (signed)LODWORD(v24));
  //v8 = abs((int)a1.x - (signed)LODWORD(v23));
  v25 = abs((signed)LODWORD(a1.y) - (signed)_v24);
  v8 = abs((int)a1.x - (signed)_v23);
  LODWORD(a5) = v8;
  v9 = v25;
  v10 = v26;
  if ( v8 < v25 )
  {
    v11 = v8;
    v8 = v25;
    v9 = v11;
  }
  if ( v8 < v26 )
  {
    v12 = v8;
    v8 = v26;
    v10 = v12;
  }
  if ( v9 < (signed int)v10 )
  {
    v13 = v10;
    v10 = v9;
    v9 = v13;
  }
  v14 = (double)(signed int)(((unsigned int)(11 * v9) >> 5) + (v10 >> 2) + v8);
  if ( v14 <= a3 )
  {
    a5 = v14 / a3;
    v16 = (double)(signed int)a1.x;
    *(float *)&v23 = (double)SLODWORD(a1.y);
    LODWORD(a1.x) = *(unsigned int *)LODWORD(v7);
    v17 = LODWORD(v7) + 4;
    *((float *)&v23 + 1) = (double)SLODWORD(a1.z);
    LODWORD(a1.y) = *(unsigned int *)v17;
    LODWORD(a1.z) = *(unsigned int *)(v17 + 4);
    a3 = *((float *)&v23 + 1) - a1.z;
    a1.z = a3;
    a1.x = v16 - a1.x;
    a1.y = (float)v23 - a1.y;
    a1.Normalize();
    if ( uLightType & 4 )
    {
      v22[1] = v18;
      uLightType = dword_4D86D8;
      v22[0] = v18;
      v19 = fabs(a1.z * pNormal->z + a1.y * pNormal->y + a1.x * pNormal->x);
      v20 = v19 * *(float *)&uLightType * a2;
    }
    else
    {
      if ( uLightType & 8 )
      {
        v20 = 1.3 * a2;
      }
      else
      {
        MessageBoxW(nullptr, L"Invalid light type detected!", L"E:\\WORK\\MSDEV\\MM7\\MM7\\Code\\Light.cpp:783", 0);
        v20 = *(float *)&uLightType;
      }
    }
    result = v20 - a5 * v20;
  }
  else
  {
    result = 0.0;
  }
  return result;
}
// 4D86D8: using guessed type int dword_4D86D8;

//----- (0045CDB7) --------------------------------------------------------
bool LightmapBuilder::ApplyLights_OutdoorFace(ODMFace *pFace)
{
  int v2; // esi@1
  int v3; // eax@1
  MobileLight *pMobileLight; // ebx@2
  int v5; // esi@5
  StationaryLight *pStationaryLight; // ebx@6
  bool result; // eax@9
  LightmapBuilder *thisa; // [sp+Ch] [bp-8h]@1
  int pSlot; // [sp+10h] [bp-4h]@1

  v2 = 0;
  thisa = this;
  v3 = stru_F8AD28.uDefaultAmbientLightLevel + pFace->uShadeType;
  pSlot = 0;
  stru_F8AD28.uCurrentAmbientLightLevel = v3 << 16;
  if ( pMobileLightsStack->uNumLightsActive > 0 )
  {
    pMobileLight = pMobileLightsStack->pLights;
    do
    {
      if ( pSlot >= 20 )
        break;
      ApplyLight_ODM((StationaryLight *)pMobileLight, pFace, (unsigned int *)&pSlot, 1);
      ++v2;
      ++pMobileLight;
    }
    while ( v2 < pMobileLightsStack->uNumLightsActive );
  }
  v5 = 0;
  if ( pStationaryLightsStack->uNumLightsActive > 0 )
  {
    pStationaryLight = pStationaryLightsStack->pLights;
    do
    {
      if ( pSlot >= 20 )
        break;
      ApplyLight_ODM(pStationaryLight, pFace, (unsigned int *)&pSlot, 0);
      ++v5;
      ++pStationaryLight;
    }
    while ( v5 < pStationaryLightsStack->uNumLightsActive );
  }
  result = pSlot;
  stru_F8AD28.uNumLightsApplied = pSlot;
  return true;
}

//----- (0045CE50) --------------------------------------------------------
bool LightmapBuilder::ApplyLight_ODM(StationaryLight *pLight, ODMFace *pFace, unsigned int *pSlot, char a4)
{
  int result; // eax@0
  signed int v6; // ebx@1
  int v7; // ecx@2
  int v8; // esi@4
  int v9; // edx@6
  int v10; // ecx@8
  int v11; // eax@11
  unsigned int v12; // ebx@11
  RenderD3D *v13; // ecx@11
  char v14; // dl@11

  __debugbreak();

  v6 = pLight->uRadius;
  if ( v6 > 0
    && (result = (int)pFace, v7 = pLight->vPosition.x, v7 > pFace->pBoundingBox.x1 - v6)
    && v7 < v6 + pFace->pBoundingBox.x2
    && (v8 = pLight->vPosition.y, v8 > pFace->pBoundingBox.y1 - v6)
    && v8 < v6 + pFace->pBoundingBox.y2
    && (v9 = pLight->vPosition.z, v9 > pFace->pBoundingBox.z1 - v6)
    && v9 < v6 + pFace->pBoundingBox.z2
    && ((v10 = (pFace->pFacePlane.dist
              + pLight->vPosition.x * pFace->pFacePlane.vNormal.x
              + v8 * pFace->pFacePlane.vNormal.y
              + v9 * pFace->pFacePlane.vNormal.z) >> 16,
         a4)
     || v10 >= 0)
    && v10 <= v6 )
  {
    stru_F8AD28._blv_lights_radii[*pSlot] = v6;
    stru_F8AD28._blv_lights_inv_radii[*pSlot] = 65536 / v6;
    stru_F8AD28._blv_lights_xs[*pSlot] = pLight->vPosition.x;
    stru_F8AD28._blv_lights_ys[*pSlot] = pLight->vPosition.y;
    stru_F8AD28._blv_lights_zs[*pSlot] = pLight->vPosition.z;
    stru_F8AD28._blv_lights_rs[*pSlot] = (double)pLight->uLightColorR * 0.0039215689;
    stru_F8AD28._blv_lights_gs[*pSlot] = (double)pLight->uLightColorG * 0.0039215689;
    stru_F8AD28._blv_lights_bs[*pSlot] = (double)pLight->uLightColorB * 0.0039215689;
    v11 = abs(v10);
    v12 = pRenderer->bUsingSpecular;
    stru_F8AD28._blv_lights_light_dot_faces[*pSlot] = v11;
    stru_F8AD28._blv_lights_types[*pSlot] = pLight->uLightType;
    v13 = pRenderer->pRenderD3D;
    v14 = stru_F8AD28._blv_lights_types[*pSlot];
    if ( pRenderer->pRenderD3D && v12 && v14 & 4 )
      v14 = _4E94D2_light_type;
    stru_F8AD28._blv_lights_types[*pSlot] = v14;
    result = 4 * *pSlot;
    if ( v13 && v12 )
    {
      if ( stru_F8AD28._blv_lights_types[*pSlot] & 4 )
      {
        *(float *)((char *)stru_F8AD28._blv_lights_rs + result) = *(float *)((char *)stru_F8AD28._blv_lights_rs + result)
                                                                * 0.33000001;
        *(float *)((char *)stru_F8AD28._blv_lights_gs + result) = *(float *)((char *)stru_F8AD28._blv_lights_gs + result)
                                                                * 0.33000001;
        *(float *)((char *)stru_F8AD28._blv_lights_bs + result) = *(float *)((char *)stru_F8AD28._blv_lights_bs + result)
                                                                * 0.33000001;
      }
    }
    ++*pSlot;
    LOBYTE(result) = 1;
  }
  else
  {
    LOBYTE(result) = 0;
  }
  return result;
}
// 4E94D2: using guessed type char _4E94D2_light_type;

//----- (0045D036) --------------------------------------------------------
bool LightmapBuilder::StackLights_TerrainFace(Vec3_float_ *pNormal, float *a3, RenderVertexSoft *a1, unsigned int uStripType, bool bLightBackfaces)
{
  int v6; // esi@1
  //LightmapBuilder *v7; // edi@1
  MobileLight *v8; // ebx@2
  int v9; // esi@5
  StationaryLight *v10; // ebx@6
  //bool result; // eax@9
  unsigned int a7; // [sp+Ch] [bp-4h]@1

  v6 = 0;
  //v7 = this;
  a7 = 0;
  stru_F8AD28.uCurrentAmbientLightLevel = pOutdoor->field_CBC_terrain_triangles_shade_type;
  if ( pMobileLightsStack->uNumLightsActive > 0 )
  {
    v8 = pMobileLightsStack->pLights;
    do
    {
      if ( (signed int)a7 >= 20 )
        break;
      StackLight_TerrainFace((StationaryLight *)v8, pNormal, a3, a1, uStripType, bLightBackfaces, &a7);
      ++v6;
      ++v8;
    }
    while ( v6 < pMobileLightsStack->uNumLightsActive );
  }
  v9 = 0;
  if ( pStationaryLightsStack->uNumLightsActive > 0 )
  {
    v10 = pStationaryLightsStack->pLights;
    do
    {
      if ( (signed int)a7 >= 20 )
        break;
      StackLight_TerrainFace(v10, pNormal, a3, a1, uStripType, bLightBackfaces, &a7);
      ++v9;
      ++v10;
    }
    while ( v9 < pStationaryLightsStack->uNumLightsActive );
  }

  stru_F8AD28.uNumLightsApplied = a7;
  return true;
}
// 519AB4: using guessed type int uNumStationaryLightsApplied;

//----- (0045D0D5) --------------------------------------------------------
bool LightmapBuilder::StackLight_TerrainFace(StationaryLight *pLight, Vec3_float_ *pNormal, float *a3, RenderVertexSoft *a1, unsigned int uStripType, int X, unsigned int *pSlot)
{
  StationaryLight *v8; // edi@1
  bool result; // eax@1
  unsigned int v10; // esi@2
  RenderVertexSoft *v11; // ebx@2
  float v12; // eax@3
  float v13; // eax@4
  double v14; // st7@11
  double maxz; // st7@11
  double v16; // st7@11
  double v17; // st6@11
  __int16 v18; // fps@11
  char v19; // c0@11
  char v20; // c2@11
  char v21; // c3@11
  double v22; // st6@12
  __int16 v23; // fps@12
  char v24; // c0@12
  char v25; // c2@12
  char v26; // c3@12
  double v27; // st7@13
  double v28; // st6@13
  __int16 v29; // fps@13
  char v30; // c0@13
  char v31; // c2@13
  char v32; // c3@13
  double v33; // st6@14
  __int16 v34; // fps@14
  char v35; // c0@14
  char v36; // c2@14
  char v37; // c3@14
  double v38; // st7@15
  double v39; // st6@15
  __int16 v40; // fps@15
  char v41; // c0@15
  char v42; // c2@15
  char v43; // c3@15
  double v44; // st6@16
  __int16 v45; // fps@16
  char v46; // c0@16
  char v47; // c2@16
  char v48; // c3@16
  Vec3_float_ *v49; // esi@17
  double v50; // st7@17
  double v51; // st6@17
  signed int v52; // ecx@17
  unsigned int *v53; // esi@18
  int v54; // eax@18
  unsigned int v55; // ebx@18
  RenderD3D *v56; // ecx@18
  char v57; // dl@18
  std::string v58; // [sp-18h] [bp-38h]@10
  const char *v59; // [sp-8h] [bp-28h]@10
  signed int v60; // [sp-4h] [bp-24h]@10
  double v61; // [sp+Ch] [bp-14h]@11
  float minz; // [sp+14h] [bp-Ch]@11
  int v63; // [sp+18h] [bp-8h]@1
  float v64; // [sp+1Ch] [bp-4h]@5

  v8 = pLight;
  result = pLight->uRadius;
  v63 = pLight->uRadius;
  if ( result <= 0 )
    goto LABEL_27;
  v10 = uStripType;
  v11 = a1;
  if ( uStripType == 4 )
  {
    pLight = (StationaryLight *)LODWORD(a1->vWorldPosition.x);
    v12 = a1[3].vWorldPosition.x;
  }
  else
  {
    if ( uStripType != 3 )
    {
      MessageBoxW(nullptr, L"Uknown strip type detected!", L"E:\\WORK\\MSDEV\\MM7\\MM7\\Code\\Light.cpp:981", 0);
      goto LABEL_11;
    }
    if ( (unsigned char)X )
    {
      pLight = (StationaryLight *)LODWORD(a1->vWorldPosition.x);
      uStripType = LODWORD(a1[2].vWorldPosition.x);
      a1 = (RenderVertexSoft *)LODWORD(a1[1].vWorldPosition.y);
      v13 = v11[2].vWorldPosition.y;
      goto LABEL_5;
    }
    pLight = (StationaryLight *)LODWORD(a1[1].vWorldPosition.x);
    v12 = a1[2].vWorldPosition.x;
  }
  uStripType = LODWORD(v12);
  a1 = (RenderVertexSoft *)LODWORD(a1[1].vWorldPosition.y);
  v13 = v11->vWorldPosition.y;
LABEL_5:
  v64 = v13;
LABEL_11:
  v60 = v10;
  v59 = (const char *)v11;
  v14 = pGame->pIndoorCameraD3D->GetPolygonMinZ(v11, v10);
  v60 = v10;
  minz = v14;
  maxz = pGame->pIndoorCameraD3D->GetPolygonMaxZ(v11, v10);
  result = v8->vPosition.x;
  *((float *)&v61 + 1) = maxz;
  v16 = (double)result;
  *(float *)&X = (double)v63;
  v17 = *(float *)&pLight - *(float *)&X;
  //UNDEF(v18);
  v19 = v16 < v17;
  v20 = 0;
  v21 = v16 == v17;
  BYTE1(result) = HIBYTE(v18);
  if ( v16 <= v17
    || (v22 = *(float *)&X + *(float *)&uStripType,
        //UNDEF(v23),
        v24 = v16 < v22,
        v25 = 0,
        v26 = v16 == v22,
        BYTE1(result) = HIBYTE(v23),
        v16 >= v22)
    || (result = v8->vPosition.y,
        pLight = (StationaryLight *)v8->vPosition.y,
        v27 = (double)(signed int)pLight,
        v28 = *(float *)&a1 - *(float *)&X,
        //UNDEF(v29),
        v30 = v27 < v28,
        v31 = 0,
        v32 = v27 == v28,
        BYTE1(result) = HIBYTE(v29),
        v27 <= v28)
    || (v33 = *(float *)&X + v64,
        //UNDEF(v34),
        v35 = v27 < v33,
        v36 = 0,
        v37 = v27 == v33,
        BYTE1(result) = HIBYTE(v34),
        v27 >= v33)
    || (result = v8->vPosition.z,
        pLight = (StationaryLight *)v8->vPosition.z,
        v38 = (double)(signed int)pLight,
        v39 = minz - *(float *)&X,
        //UNDEF(v40),
        v41 = v38 < v39,
        v42 = 0,
        v43 = v38 == v39,
        BYTE1(result) = HIBYTE(v40),
        v38 <= v39)
    || (v44 = *(float *)&X + *((float *)&v61 + 1),
        //UNDEF(v45),
        v46 = v38 < v44,
        v47 = 0,
        v48 = v38 == v44,
        BYTE1(result) = HIBYTE(v45),
        v38 >= v44)
    || (v49 = pNormal,
        Vec3_float_::NegDot(&v11->vWorldPosition, pNormal, a3),
        X = v8->vPosition.y,
        v50 = (double)X * v49->y,
        X = v8->vPosition.z,
        v51 = (double)X * v49->z,
        X = v8->vPosition.x,
        *(float *)&a3 = v50 + v51 + (double)X * v49->x + *a3,
        v61 = *(float *)&a3 + 6.7553994e15,
        result = LODWORD(v61),
        X = LODWORD(v61),
        v52 = v63,
        SLODWORD(v61) > v63) )
  {
LABEL_27:
    LOBYTE(result) = 0;
    return result;
  }
  v53 = pSlot;
  v60 = X;
  stru_F8AD28._blv_lights_radii[*pSlot] = v63;
  stru_F8AD28._blv_lights_inv_radii[*v53] = 65536 / v52;
  stru_F8AD28._blv_lights_xs[*v53] = v8->vPosition.x;
  stru_F8AD28._blv_lights_ys[*v53] = v8->vPosition.y;
  stru_F8AD28._blv_lights_zs[*v53] = v8->vPosition.z;
  a3 = (float *)v8->uLightColorR;
  stru_F8AD28._blv_lights_rs[*v53] = (double)(signed int)a3 * 0.0039215689;
  a3 = (float *)v8->uLightColorG;
  stru_F8AD28._blv_lights_gs[*v53] = (double)(signed int)a3 * 0.0039215689;
  a3 = (float *)v8->uLightColorB;
  stru_F8AD28._blv_lights_bs[*v53] = (double)(signed int)a3 * 0.0039215689;
  v54 = abs(v60);
  v55 = pRenderer->bUsingSpecular;
  stru_F8AD28._blv_lights_light_dot_faces[*v53] = v54;
  stru_F8AD28._blv_lights_types[*v53] = v8->uLightType;
  v56 = pRenderer->pRenderD3D;
  v57 = stru_F8AD28._blv_lights_types[*v53];
  if ( pRenderer->pRenderD3D && v55 && v57 & 4 )
    v57 = _4E94D2_light_type;
  stru_F8AD28._blv_lights_types[*v53] = v57;
  result = 4 * *v53;
  if ( v56 && v55 )
  {
    if ( stru_F8AD28._blv_lights_types[*v53] & 4 )
    {
      *(float *)((char *)stru_F8AD28._blv_lights_rs + result) = *(float *)((char *)stru_F8AD28._blv_lights_rs + result)
                                                              * 0.33000001;
      *(float *)((char *)stru_F8AD28._blv_lights_gs + result) = *(float *)((char *)stru_F8AD28._blv_lights_gs + result)
                                                              * 0.33000001;
      *(float *)((char *)stru_F8AD28._blv_lights_bs + result) = *(float *)((char *)stru_F8AD28._blv_lights_bs + result)
                                                              * 0.33000001;
    }
  }
  ++*v53;
  LOBYTE(result) = 1;
  return result;
}
// 4E94D2: using guessed type char _4E94D2_light_type;

//----- (0045D3C7) --------------------------------------------------------
bool LightmapBuilder::_45D3C7(stru148 *a1)
{
  LightmapBuilder *v2; // ebx@1
  stru148 *result; // eax@1
  float v4; // ecx@2
  Span *i; // edi@5

  v2 = this;
  result = (stru148 *)a1->prolly_head;
  if ( result && (v4 = result->field_4, *(int *)&v4) != 0 && *(unsigned int *)(LODWORD(v4) + 60) )
  {
    for ( i = a1->prolly_head; ; i = i->pNext )
    {
      result = i->pParent;
      if ( result->field_108 )
        result = (stru148 *)_45D426(
                              i,
                              a1->pEdgeList1,
                              a1->uEdgeList1Size,
                              (Edge *)a1->pEdgeList2,
                              a1->uEdgeList2Size);
      if ( a1->prolly_tail == i )
        break;
    }
    LOBYTE(result) = 1;
  }
  else
  {
    LOBYTE(result) = 0;
  }
  return (bool)result;
}

//----- (0045D426) --------------------------------------------------------
int LightmapBuilder::_45D426(Span *a1, Edge **a2, unsigned int a3, Edge *a4, int a5)
{
  int v6; // edi@1
  signed int v7; // ebx@3
  signed int v8; // ecx@3
  Span *v9; // esi@3
  double v10; // st7@4
  Edge *v11; // edx@5
  double v12; // st7@11
  int v13; // edx@12
  int v14; // ebx@17
  Edge *v15; // edi@17
  float v16; // ST04_4@17
  float v17; // ST04_4@17
  double v18; // st7@17
  int result; // eax@19
  //double v20; // ST14_8@20
  //double v21; // ST14_8@20
  double v22; // st7@20
  int v23; // ecx@20
  double v24; // st6@20
  double v25; // st7@23
  double v26; // st7@28
  __int16 v27; // fps@28
  char v28; // c0@28
  char v29; // c2@28
  char v30; // c3@28
  double v31; // st7@29
  double v32; // st7@30
  __int16 v33; // fps@30
  char v34; // c0@30
  char v35; // c2@30
  char v36; // c3@30
  LightmapBuilder *this_4; // [sp+14h] [bp-8h]@1
  signed int v38; // [sp+18h] [bp-4h]@3
  float a1a; // [sp+24h] [bp+8h]@20
  float a2a; // [sp+28h] [bp+Ch]@17
  float a3a; // [sp+2Ch] [bp+10h]@17
  float a5a; // [sp+34h] [bp+18h]@20
  float a5b; // [sp+34h] [bp+18h]@20

  v6 = 0;
  this_4 = this;
  if ( a5 && a3 )
  {
    v7 = -1;
    v8 = 0;
    v9 = a1;
    v38 = -1;
    if ( (signed int)a3 > 0 )
    {
      v10 = (double)a1->field_A;
      while ( 1 )
      {
        v11 = a2[v8];
        if ( v10 >= v11->field_2C )
        {
          if ( v10 <= v11->field_30 )
            break;
        }
        ++v8;
        if ( v8 >= (signed int)a3 )
          goto LABEL_10;
      }
      v38 = v8;
    }
LABEL_10:
    if ( a5 > 0 )
    {
      v12 = (double)a1->field_A;
      while ( 1 )
      {
        v13 = *((unsigned int *)&a4->field_0 + v6);
        if ( v12 >= *(float *)(v13 + 44) )
        {
          if ( v12 <= *(float *)(v13 + 48) )
            break;
        }
        ++v6;
        if ( v6 >= a5 )
          goto LABEL_17;
      }
      v7 = v6;
    }
LABEL_17:
    v14 = *((unsigned int *)&a4->field_0 + v7);
    v15 = a2[v38];
    v16 = (double)a1->field_A;
    a3a = _45D643(a2[v38], v16);
    v17 = (double)a1->field_A;
    v18 = _45D643((Edge *)v14, v17);
    a2a = v18;
    if ( byte_4D864C && BYTE1(pGame->uFlags) & 0x80 )
    {
      HIWORD(result) = HIWORD(a3a);
      a1->field_14 = v18;
      a1->field_10 = a3a;
    }
    else
    {
      a5a = ((double)a1->field_A - v15->field_2C) * v15->field_4 + v15->field_24 - 0.5;
      //v20 = a5a + 6.7553994e15;
      //a5b = (double)SLODWORD(v20);
      a5b = (double)floorf(a5a + 0.5f);
      a1a = ((double)a1->field_A - *(float *)(v14 + 44)) * *(float *)(v14 + 4) + *(float *)(v14 + 36) + 0.5;
      //v21 = a1a + 6.7553994e15;
      //v22 = (double)SLODWORD(v21);
      v22 = (double)floorf(a1a + 0.5f);
      result = v9->field_8;
      v23 = v9->field_C;
      v24 = -((a3a - a2a) / (v22 - a5b));
      v9->field_10 = ((double)result - a5b) * v24 + a3a;
      v9->field_14 = a2a - (v22 - (double)(result + v23)) * v24;
    }
    if ( v9->field_10 < 0.0 || v9->field_10 <= 1.0 )
    {
      if ( v9->field_10 >= 0.0 )
        v25 = v9->field_10;
      else
        v25 = 0.0;
    }
    else
    {
      v25 = 1.0;
    }
    v9->field_10 = v25;
    if ( v9->field_14 < 0.0
      || (v26 = v9->field_14,
          //UNDEF(v27),
          v28 = 1.0 < v26,
          v29 = 0,
          v30 = 1.0 == v26,
          BYTE1(result) = HIBYTE(v27),
          v26 <= 1.0) )
    {
      v32 = v9->field_14;
      //UNDEF(v33);
      v34 = 0.0 < v32;
      v35 = 0;
      v36 = 0.0 == v32;
      BYTE1(result) = HIBYTE(v33);
      if ( v32 >= 0.0 )
        v31 = v9->field_14;
      else
        v31 = 0.0;
    }
    else
    {
      v31 = 1.0;
    }
    v9->field_14 = v31;
    LOBYTE(result) = 1;
  }
  else
  {
    LOBYTE(result) = 0;
  }
  return result;
}
// 4D864C: using guessed type char byte_4D864C;

//----- (0045D643) --------------------------------------------------------
double LightmapBuilder::_45D643(Edge *a1, float a2)
{
  double result; // st7@1

  result = (a1->field_1C - a1->field_20) * -1.0 / (a1->field_30 - a1->field_2C) * (a2 - a1->field_2C) + a1->field_1C;
  if ( result < 0.0 || result <= 1.0 )
  {
    if ( result < 0.0 )
      result = 0.0;
  }
  else
  {
    result = 1.0;
  }
  return result;
}

//----- (0045D698) --------------------------------------------------------
bool LightmapBuilder::DrawDebugOutlines(char bit_one_for_list1__bit_two_for_list2)
{
  bool result; // eax@1
  LightmapBuilder *v3; // esi@1
  RenderVertexSoft *v4; // edi@3
  RenderVertexSoft *v5; // edi@7
  IndoorCameraD3D *thisa; // [sp+10h] [bp-8h]@1
  bool v7; // [sp+14h] [bp-4h]@2
  bool a2a; // [sp+20h] [bp+8h]@6

  result = (bool)pGame->pIndoorCameraD3D;
  v3 = this;
  thisa = pGame->pIndoorCameraD3D;
  if ( bit_one_for_list1__bit_two_for_list2 & 1 )
  {
    v7 = 0;
    if ( (signed int)this->std__vector_000004_size > 0 )
    {
      v4 = this->std__vector_000004[0].pVertices;
      do
      {
        pGame->pIndoorCameraD3D->debug_outline_sw(v4, *((unsigned int *)v4 - 1), 0xFF00u, 0.0);
        ++v7;
        v4 = (RenderVertexSoft *)((char *)v4 + 3100);
        result = v7;
      }
      while ( v7 < (signed int)v3->std__vector_000004_size );
    }
  }
  if ( bit_one_for_list1__bit_two_for_list2 & 2 )
  {
    a2a = 0;
    if ( (signed int)v3->std__vector_183808_size > 0 )
    {
      v5 = v3->std__vector_183808[0].pVertices;
      do
      {
        pGame->pIndoorCameraD3D->debug_outline_sw(v5, *((unsigned int *)v5 - 1), 0xC04000u, 0.00019999999);
        ++a2a;
        v5 = (RenderVertexSoft *)((char *)v5 + 3100);
        result = a2a;
      }
      while ( a2a < (signed int)v3->std__vector_183808_size );
    }
  }
  LOBYTE(result) = 1;
  return result;
}

//----- (0045D73F) --------------------------------------------------------
void LightmapBuilder::DrawLightmaps(int a2)
{
  if ( a2 == 2 )
    DoDrawLightmaps();
}

//----- (0045D74F) --------------------------------------------------------
char LightmapBuilder::_45D74F_MessWithLight(int a2, int *a3)
{
  char v3; // zf@1
  IDirect3DDevice3 *v4; // eax@2
  HRESULT v5; // eax@2
  //char *v6; // eax@2
  struct IDirect3DTexture2 *v7; // edi@4
  HRESULT v8; // eax@8
  HRESULT v9; // eax@8
  HRESULT v10; // eax@8
  HRESULT v11; // eax@8
  HRESULT v12; // eax@8
  int *v13; // eax@8
  float v14; // ecx@15
  IDirect3DDevice3 *v15; // eax@21
  HRESULT v16; // eax@21
  IDirect3DDevice3 *v17; // eax@21
  HRESULT v18; // eax@21
  IDirect3DDevice3 *v19; // eax@21
  HRESULT v20; // eax@21
  IDirect3DDevice3 *v21; // eax@21
  HRESULT v22; // eax@21
  //IDirect3DDevice3 *v23; // eax@23
  std::string v25; // [sp+44h] [bp-44h]@12
  signed int v26; // [sp+48h] [bp-40h]@21
  signed int v27; // [sp+4Ch] [bp-3Ch]@21
  Lightmap *v28; // [sp+50h] [bp-38h]@2
  int v29; // [sp+54h] [bp-34h]@2
  //float v30; // [sp+58h] [bp-30h]@2
  int arg4; // [sp+68h] [bp-20h]@8
  float v32; // [sp+6Ch] [bp-1Ch]@8
  float v33; // [sp+70h] [bp-18h]@8
  int v34; // [sp+74h] [bp-14h]@19
  int v35; // [sp+78h] [bp-10h]@2
  int *v36; // [sp+7Ch] [bp-Ch]@10
  int a1; // [sp+80h] [bp-8h]@12
  float v38; // [sp+84h] [bp-4h]@1

  v3 = this->std__vector_000004_size == 0;
  LODWORD(v38) = (int)this;
  if ( !v3 )
  {
    //v30 = 0.0;
    //v4 = pRenderer->pRenderD3D->pDevice;
    ErrD3D(v4->SetTextureStageState(0, D3DTSS_ADDRESS, 3u));
    //v6 = (char *)stru_69BD44.c_str();
    //if ( !stru_69BD44.c_str() )
    //  v6 = (char *)&dword_4D86F0;
    v7 = pGame->pIndoorCameraD3D->LoadTextureAndGetHardwarePtr("effpar03");
    if ( pRenderer->bUsingSpecular )
      pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_FOGENABLE, 0);
    if ( !byte_4D864C || !(pGame->uFlags & 1) )
    {
      ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_ALPHABLENDENABLE, 1u));
      ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_DITHERENABLE, 0));
      ErrD3D(pRenderer->pRenderD3D->pDevice->SetTexture(0, v7));
      ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_SRCBLEND, 2u));
      ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_DESTBLEND, 2u));
      v13 = a3;
      v33 = 1.0;
      v32 = 1.0;
      *(float *)&arg4 = 1.0;
      if ( a3 )
      {
        if ( *a3 != -1 )
        {
          v36 = a3;
          do
          {
            v28 = (Lightmap *)(3100 * *v13 + LODWORD(v38) + 4);
            if ( !DrawLightmap(v28, (Vec3_float_ *)&arg4, 0.0) )
            {
              MessageBoxW(nullptr, L"Invalid lightmap detected!", L"E:\\WORK\\MSDEV\\MM7\\MM7\\Code\\Light.cpp:1230", 0);
              a1 = 5080812;
            }
            v13 = v36 + 1;
            v36 = v13;
          }
          while ( *v13 != -1 );
        }
      }
      else
      {
        v14 = v38;
        v36 = 0;
        if ( *(unsigned int *)(LODWORD(v38) + 1587204) > 0 )
        {
          a1 = LODWORD(v38) + 4;
          while ( 1 )
          {
            if ( !DrawLightmap((Lightmap *)a1, (Vec3_float_ *)&arg4, 0.0) )
            {
              MessageBoxW(nullptr, L"Invalid lightmap detected!", L"E:\\WORK\\MSDEV\\MM7\\MM7\\Code\\Light.cpp:1238", 0);
              v35 = 5080812;
            }
            v36 = (int *)((char *)v36 + 1);
            a1 += 3100;
            if ( (signed int)v36 >= *(unsigned int *)(LODWORD(v38) + 1587204) )
              break;
            v14 = v38;
          }
        }
      }
      v15 = pRenderer->pRenderD3D->pDevice;
      ErrD3D(v15->SetRenderState(D3DRENDERSTATE_SRCBLEND, 2u));
      ErrD3D(v15->SetRenderState(D3DRENDERSTATE_DESTBLEND, 1u));
      ErrD3D(v15->SetRenderState(D3DRENDERSTATE_ALPHABLENDENABLE, 0));
      ErrD3D(v15->SetRenderState(D3DRENDERSTATE_DITHERENABLE, 1u));
    }
    if ( pRenderer->bUsingSpecular )
    {
      //LODWORD(v30) = 1;
      //v29 = 28;
      //v28 = (Lightmap *)pRenderer->pRenderD3D->pDevice;
      ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_FOGENABLE, 1));
      //v30 = pRenderer->uFogColor;
      //v23 = pRenderer->pRenderD3D->pDevice;
      //v29 = 34;
      //v28 = (Lightmap *)v23;
      ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_FOGCOLOR, pRenderer->uFogColor));
      //v28 = (Lightmap *)pRenderer->pRenderD3D->pDevice;
      ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_FOGTABLEMODE, false));
    }
  }
  return 1;
}


//----- (0045DA56) --------------------------------------------------------
bool LightmapBuilder::DrawLightmaps2(float z_bias)
{
  Vec3_float_ v; // [sp+Ch] [bp-1Ch]@2
  v.z = 1.0;
  v.y = 1.0;
  v.x = 1.0;
  
  for (uint i = 0; i < std__vector_183808_size; ++i)
    if (!DrawLightmap(std__vector_183808 + i, &v, z_bias))
      MessageBoxW(nullptr, L"Invalid lightmap detected!", L"E:\\WORK\\MSDEV\\MM7\\MM7\\Code\\Light.cpp:1288", 0);

  return true;
}

//----- (0045DAE8) --------------------------------------------------------
bool LightmapBuilder::DrawLightmap(Lightmap *pLightmap, Vec3_float_ *pColorMult, float z_bias)
{
  double v10; // st7@4
  double v14; // st7@7
  __int16 v15; // fps@8
  double v18; // st3@8
  signed int v24; // [sp-1Ch] [bp-670h]@13
  const char *v25; // [sp-18h] [bp-66Ch]@13
  int v26; // [sp-14h] [bp-668h]@13
  RenderVertexD3D3 a2[32]; // [sp+0h] [bp-654h]@7


  if (pLightmap->uNumVertices < 3)
  {
    Log::Warning(L"Lightmap uNumVertices < 3");
    return false;
  }

  uint uLightmapColorMaskR = (pLightmap->uColorMask >> 16) & 0xFF;
  uint uLightmapColorR = floorf(uLightmapColorMaskR * pLightmap->fBrightness * pColorMult->x + 0.5f);
  
  uint uLightmapColorMaskG = (pLightmap->uColorMask >> 8) & 0xFF;
  uint uLightmapColorG = floorf(uLightmapColorMaskG * pLightmap->fBrightness * pColorMult->y + 0.5f);
 
  uint uLightmapColorMaskB = pLightmap->uColorMask & 0xFF;
  uint uLightmapColorB = floorf(uLightmapColorMaskB * pLightmap->fBrightness * pColorMult->z + 0.5f);
 
  uint uLightmapColor = uLightmapColorB | (uLightmapColorMaskG << 8) | (uLightmapColorMaskR << 16);

  if (uCurrentlyLoadedLevelType == LEVEL_Outdoor)
    v10 = (double)pOutdoorCamera->shading_dist_mist;
  else
    v10 = 16192.0;
  v14 = 1.0 / v10;

  for (uint i = 0; i < pLightmap->uNumVertices; ++i)
  {
    v18 = 1.0 - 1.0 / (v14 * pLightmap->pVertices[i].vWorldViewPosition.x * 1000.0);
    if (fabsf(z_bias) < 1e-5f)
    {
      v18 = v18 - z_bias;
      if (v18 < 0.000099999997)
        v18 = 0.000099999997;
    }

    a2[i].pos.x = pLightmap->pVertices[i].vWorldViewProjX;
    a2[i].pos.z = v18;
    a2[i].pos.y = pLightmap->pVertices[i].vWorldViewProjY;
    a2[i].rhw = 1.0 / pLightmap->pVertices[i].vWorldViewPosition.x;
    a2[i].diffuse = uLightmapColor;
    a2[i].specular = 0;
    a2[i].texcoord.x = pLightmap->pVertices[i].u;
    a2[i].texcoord.y = pLightmap->pVertices[i].v;
  }

  if (uCurrentlyLoadedLevelType == LEVEL_Indoor)
    v24 = D3DDP_DONOTLIGHT | D3DDP_DONOTCLIP | D3DDP_DONOTUPDATEEXTENTS;
   else
    v24 = D3DDP_DONOTLIGHT;

  ErrD3D(pRenderer->pRenderD3D->pDevice->DrawPrimitive(D3DPT_TRIANGLEFAN,
            D3DFVF_XYZRHW | D3DFVF_DIFFUSE | D3DFVF_SPECULAR | D3DFVF_TEX1,
            a2,
            pLightmap->uNumVertices,
            v24));

  return true;
}

//----- (0045DCA9) --------------------------------------------------------
void LightmapBuilder::DoDrawLightmaps()
{
  if (!std__vector_183808_size)
    return;

  if (pRenderer->bUsingSpecular)
    ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_FOGENABLE, 0));
 
  ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_CULLMODE, 1));
  ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_ZWRITEENABLE, 0));
  ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_ALPHABLENDENABLE, 1u));
  ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_DITHERENABLE, 0));

  auto pTex = pGame->pIndoorCameraD3D->LoadTextureAndGetHardwarePtr("effpar03");
  ErrD3D(pRenderer->pRenderD3D->pDevice->SetTexture(0, pTex));

  ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_SRCBLEND, 2u));
  ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_DESTBLEND, 2u));

  DrawLightmaps2(0.00050000002);

  ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_SRCBLEND, 2u));
  ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_DESTBLEND, 1u));
  ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_ALPHABLENDENABLE, 0));
  ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_DITHERENABLE, 1u));
  ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_ZWRITEENABLE, 1u));
  ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_CULLMODE, 2));

  if (pRenderer->bUsingSpecular)
    ErrD3D(pRenderer->pRenderD3D->pDevice->SetRenderState(D3DRENDERSTATE_FOGENABLE, 1u));
}