#define _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>

#define _CRT_SECURE_NO_WARNINGS
#include <string.h>
#include <algorithm>

#include "Engine/Engine.h"

#include "Sprites.h"
#include "PaletteManager.h"
#include "../LOD.h"
#include "../Tables/FrameTableInc.h"

#include "Outdoor.h"
#include "DecorationList.h"
#include "../Objects/Actor.h"
#include "Level/Decoration.h"
#include "../OurMath.h"



struct SpriteFrameTable *pSpriteFrameTable;




//----- (0044D4D8) --------------------------------------------------------
void SpriteFrameTable::ReleaseSFrames()
{
  free(this->pSpriteSFrames);
  this->pSpriteSFrames = nullptr;
  this->uNumSpriteFrames = 0;
}

//----- (0044D4F6) --------------------------------------------------------
void SpriteFrameTable::ResetSomeSpriteFlags()
{
  int v1; // esi@1
  signed int i; // edx@1
  char *v3; // eax@2

  v1 = 0;
  for ( i = 0; i < (signed int)this->uNumSpriteFrames; ++i )
  {
    v3 = (char *)&this->pSpriteSFrames[v1].uFlags;
    ++v1;
    *v3 &= 0x7Fu;
  }
}

//----- (0044D513) --------------------------------------------------------
void SpriteFrameTable::InitializeSprite( signed int uSpriteID )
{
    //SpriteFrameTable *v2; // esi@1
    unsigned int v3; // ebx@3
    //char *v4; // edx@3
    //int v5; // eax@3
//    SpriteFrame *v6; // ecx@5
//    int v7; // eax@5
    __int16 v8; // ax@6
    //signed int v9; // edx@6
    //int v10; // ecx@6
//    signed int v11; // edi@10
    __int16 v12; // ax@16
//    int v13; // ecx@16
    size_t v14; // eax@19
//    signed int v15; // edi@19
//    __int16 v16; // ax@27
//    int v17; // ecx@27
//    signed int v18; // edi@29
//    SpriteFrame *v19; // eax@30
//    __int16 v20; // ax@45
//    int v21; // ecx@45

    char Str[32]; // [sp+Ch] [bp-3Ch]@19
    char sprite_name[20]; // [sp+2Ch] [bp-1Ch]@15
    char Source[4]; // [sp+40h] [bp-8h]@19


    //v2 = this;
    if ( uSpriteID <= this->uNumSpriteFrames )
        {
        if ( uSpriteID >= 0 )
            {
            v3 = uSpriteID;

            int uFlags = pSpriteSFrames[v3].uFlags;
            if (!(uFlags & 0x0080))  //not loaded
                {
                pSpriteSFrames[v3].uFlags |= 0x80; //set loaded
                while ( 1 )
                    {
                    pSpriteSFrames[v3].uPaletteIndex = pPaletteManager->LoadPalette(pSpriteSFrames[v3].uPaletteID);
                    if ( uFlags & 0x10 )  //single frame per frame sequence
                        {
                        v8 = pSprites_LOD->LoadSprite(pSpriteSFrames[v3].pTextureName, pSpriteSFrames[v3].uPaletteID);
                        for (uint i = 0; i < 8; ++i)
                            {

                            pSpriteSFrames[v3].pHwSpriteIDs[i] = v8;
                            }
                            
                        }
                    else if ( uFlags & 0x10000 )
                        {
                        for (uint i = 0; i < 8; ++i)
                            {
                            switch ( i )
                                {
                            case 3:
                            case 4:
                            case 5:
                                sprintf(sprite_name, "%s4", pSpriteSFrames[v3].pTextureName);
                                break;
                            case 2:
                            case 6:
                                sprintf(sprite_name, "%s2", pSpriteSFrames[v3].pTextureName);
                                break;
                            case 0:
                            case 1:
                            case 7:
                                sprintf(sprite_name, "%s0", pSpriteSFrames[v3].pTextureName);
                                break;
                                }
                            v12 = pSprites_LOD->LoadSprite(sprite_name, pSpriteSFrames[v3].uPaletteID);

                            pSpriteSFrames[v3].pHwSpriteIDs[i]=v12;
                            }

                        }
                    else if ( uFlags & 0x40 ) //part of monster fidgeting seq
                        {
                        strcpy(Source, "stA");
                        strcpy(Str, pSpriteSFrames[v3].pTextureName);
                        v14 = strlen(Str);
                        strcpy(&Str[v14-3], Source);
                        for (uint i = 0; i < 8; ++i)
                            {
                            switch ( i )
                                {
                            case 0:
                                sprintf(sprite_name, "%s0", pSpriteSFrames[v3].pTextureName);
                                break;
                            case 4:
                                sprintf(sprite_name, "%s4",&Str );
                                break;
                            case 3:
                            case 5:
                                sprintf(sprite_name, "%s3",&Str );
                                break;
                            case 2:
                            case 6:
                                sprintf(sprite_name, "%s2", pSpriteSFrames[v3].pTextureName);
                                break;
                            case 1:
                            case 7:
                                sprintf(sprite_name, "%s1", pSpriteSFrames[v3].pTextureName);
                                break;
                                }
                            v12 = pSprites_LOD->LoadSprite(sprite_name, pSpriteSFrames[v3].uPaletteID);
                            pSpriteSFrames[v3].pHwSpriteIDs[i]=v12;
                            }
                        }

                    else
                        {
                        for (uint i = 0; i < 8; ++i)

                            {

                            if (((0x0100 << i) & pSpriteSFrames[v3].uFlags) ) //mirrors
                                {
                                switch ( i )
                                    {
                                case 1:
                                    sprintf(sprite_name, "%s7", pSpriteSFrames[v3].pTextureName);
                                    break;
                                case 2:
                                    sprintf(sprite_name, "%s6", pSpriteSFrames[v3].pTextureName);
                                    break;
                                case 3:
                                    sprintf(sprite_name, "%s5", pSpriteSFrames[v3].pTextureName);
                                    break;
                                case 4:
                                    sprintf(sprite_name, "%s4", pSpriteSFrames[v3].pTextureName);
                                    break;

                                case 5:
                                    sprintf(sprite_name, "%s3", pSpriteSFrames[v3].pTextureName);
                                    break;

                                case 6:
                                    sprintf(sprite_name, "%s2", pSpriteSFrames[v3].pTextureName);
                                    break;
                                case 7:
                                    sprintf(sprite_name, "%s1", pSpriteSFrames[v3].pTextureName);
                                    break;
                                    }
                                }
                            else
                                {
                                sprintf(sprite_name, "%s%i", pSpriteSFrames[v3].pTextureName, i);

                                }
                            v12 = pSprites_LOD->LoadSprite(sprite_name, pSpriteSFrames[v3].uPaletteID);
                            pSpriteSFrames[v3].pHwSpriteIDs[i]=v12;

                            }
                        }

                    if ( !(pSpriteSFrames[v3].uFlags & 1) )
                        return;
                    ++v3;
                    }
                }
            } 
        }
    }

//----- (0044D813) --------------------------------------------------------
signed int SpriteFrameTable::FastFindSprite( char *pSpriteName )
{
  signed int result; // eax@2

  int searchResult = BinarySearch(pSpriteName);
  if ( searchResult < 0 )
    result = 0;
  else
      result = this->pSpriteEFrames[searchResult];
  return result;
}

//----- (0044D83A) --------------------------------------------------------
int SpriteFrameTable::BinarySearch( const char *pSpriteName )
{
    int startPos = 0;
    int endPos = uNumEFrames;
    while ( 1 )
    {
        int searchRange = endPos - startPos;
        int middleFrameIndex = startPos + (endPos - startPos) / 2;
        int comparisonResult = _stricmp(pSpriteName, this->pSpritePFrames[middleFrameIndex]->pIconName);
        if ( !comparisonResult )
        {
            return middleFrameIndex;
        }
        if ( startPos == endPos )
        {
            return -1;
        }
        if ( comparisonResult >= 0 )
        {
            startPos += max(((endPos - startPos) / 2), 1);
        }
        else{
            endPos = max(((endPos - startPos) / 2), 1) + startPos;
        }
    }
}

//----- (0044D8D0) --------------------------------------------------------
SpriteFrame *SpriteFrameTable::GetFrame(unsigned int uSpriteID, unsigned int uTime)
{
  SpriteFrame *v4; // ecx@1

  v4 = &pSpriteSFrames[uSpriteID];
  if (~v4->uFlags & 1 || !v4->uAnimLength)
    return pSpriteSFrames + uSpriteID;

  for (uint t = (uTime / 8) % v4->uAnimLength; t > v4->uAnimTime; ++v4)
    t -= v4->uAnimTime;
  return v4;

  /*for (v4; v4->uAnimTime <= t; ++v4)

    v6 = (uTime / 8) % v4->uAnimLength;
    //v7 = uSpriteID;
    for ( i = (char *)&v4->uAnimTime; ; i += 60 )
    {
      v9 = *(short *)i;
      if ( v6 <= v9 )
        break;
      v6 -= v9;
      ++v7;
    }
    return &pSpriteSFrames[v7];*/

}

//----- (0044D91F) --------------------------------------------------------
SpriteFrame *SpriteFrameTable::GetFrameBy_x(unsigned int uSpriteID, signed int a3)
{
  SpriteFrame *v3; // edi@1
  SpriteFrame *v4; // esi@1
  __int16 v5; // ax@2
  int v6; // ecx@3
  int v7; // edx@3
  unsigned int v8; // eax@3
  int v9; // ecx@3
  char *i; // edx@3
  int v11; // esi@5
  SpriteFrame *result; // eax@6

  v3 = this->pSpriteSFrames;
  v4 = &v3[uSpriteID];
  if ( v4->uFlags & 1 && (v5 = v4->uAnimLength) != 0 )
  {
    v6 = v5;
    v7 = a3 % v5;
    v8 = uSpriteID;
    v9 = v6 - v7;
    for ( i = (char *)&v4->uAnimTime; ; i += 60 )
    {
      v11 = *(short *)i;
      if ( v9 <= v11 )
        break;
      v9 -= v11;
      ++v8;
    }
    result = &v3[v8];
  }
  else
  {
    result = &v3[uSpriteID];
  }
  return result;
}

//----- (0044D96D) --------------------------------------------------------
void SpriteFrameTable::ToFile()
{
  SpriteFrameTable *v1; // esi@1
  FILE *v2; // eax@1
  FILE *v3; // edi@1

  v1 = this;
  v2 = fopen("data\\dsft.bin", "wb");
  v3 = v2;
  if ( !v2 )
    Error("Unable to save dsft.bin!");
  fwrite(v1, 4u, 1u, v2);
  fwrite(&v1->uNumEFrames, 4u, 1u, v3);
  fwrite(v1->pSpriteSFrames, 0x3Cu, v1->uNumSpriteFrames, v3);
  fwrite(v1->pSpriteEFrames, 2u, v1->uNumEFrames, v3);
  fclose(v3);
}

//----- (0044D9D7) --------------------------------------------------------
void SpriteFrameTable::FromFile(void *data_mm6, void *data_mm7, void *data_mm8)
{
  uint num_mm6_frames = 0;
  uint num_mm6_eframes = 0;
  if (data_mm6)
  {
    num_mm6_frames = *(int *)data_mm6;
    num_mm6_eframes = *((int *)data_mm6 + 1);
  }

  uint num_mm7_frames = 0;
  uint num_mm7_eframes = 0;
  if (data_mm7)
  {
    num_mm7_frames = *(int *)data_mm7;
    num_mm7_eframes = *((int *)data_mm7 + 1);
  }

  uint num_mm8_frames = 0;
  uint num_mm8_eframes = 0;
  if (data_mm8)
  {
    num_mm8_frames = *(int *)data_mm8;
    num_mm8_eframes = *((int *)data_mm8 + 1);
  }
  
  uNumSpriteFrames = num_mm6_frames + num_mm7_frames + num_mm8_frames;
  uNumEFrames = num_mm6_eframes + num_mm7_eframes + num_mm8_eframes;

  pSpriteSFrames = (SpriteFrame *)malloc(uNumSpriteFrames * sizeof(SpriteFrame));
  pSpriteEFrames = (__int16 *)malloc(uNumSpriteFrames * sizeof(short));

  pSpritePFrames = (SpriteFrame **)malloc(4 * uNumSpriteFrames);

  uint mm7_frames_size = num_mm7_frames * sizeof(SpriteFrame);
  memcpy(pSpriteSFrames, (char *)data_mm7 + 8, mm7_frames_size);
  memcpy(pSpriteEFrames, (char *)data_mm7 + 8 + mm7_frames_size, 2 * num_mm7_eframes);

  uint mm6_frames_size = num_mm6_frames * sizeof(SpriteFrame_mm6);
  for (uint i = 0; i < num_mm6_frames; ++i)
  {
    memcpy(pSpriteSFrames + num_mm7_frames + i, (char *)data_mm6 + 8 + i * sizeof(SpriteFrame_mm6), sizeof(SpriteFrame_mm6));
    pSpriteSFrames[num_mm7_frames + i].uAnimLength = 0;
  }
  memcpy(pSpriteEFrames + num_mm7_frames, (char *)data_mm6 + 8 + mm6_frames_size, 2 * num_mm6_eframes);

  uint mm8_frames_size = num_mm8_frames * sizeof(SpriteFrame);
  memcpy(pSpriteSFrames + num_mm6_frames + num_mm7_frames, (char *)data_mm8 + 8, mm8_frames_size);
  memcpy(pSpriteEFrames + num_mm6_frames + num_mm7_frames, (char *)data_mm8 + 8 + mm8_frames_size, 2 * num_mm8_eframes);

  //the original was using num_mmx_frames, but never accessed any element beyond num_mmx_eframes, but boing beyong eframes caused invalid memory accesses
  for (uint i = 0; i < num_mm6_eframes + num_mm7_eframes + num_mm8_eframes; ++i)
    pSpritePFrames[i] = &pSpriteSFrames[pSpriteEFrames[i]];
}

//----- (0044DA92) --------------------------------------------------------
bool SpriteFrameTable::FromFileTxt(const char *Args)
{
  SpriteFrameTable *v2; // ebx@1
  FILE *v3; // eax@1
  unsigned int v4; // esi@3
  signed int result; // eax@10
  FILE *v6; // ST18_4@11
  char *i; // eax@11
  const char *v8; // ST20_4@14
  __int16 v9; // ax@14
  const char *v10; // ST0C_4@14
  double v11; // st7@14
  int v12; // eax@14
  const char *v13; // ST04_4@14
  __int16 v14; // ax@14
  const char *v15; // ST00_4@14
  int v16; // eax@14
  int v17; // eax@17
  int v18; // eax@23
  int v19; // eax@24
  int v20; // eax@25
  int v21; // eax@28
  int v22; // eax@29
  int j; // edi@30
  const char *v24; // esi@31
  int v25; // eax@32
  int v26; // edx@53
  int v27; // ecx@54
  int v28; // eax@55
  signed int k; // edx@58
  SpriteFrame *v30; // ecx@59
  int v31; // esi@59
  int l; // eax@60
  signed int v33; // eax@65
  int v34; // edi@66
  int v35; // esi@66
  SpriteFrame **v36; // eax@69
  int v37; // ecx@69
  SpriteFrame *v38; // edx@69
  __int16 *v39; // eax@69
  int v40; // ecx@69
  char Buf[500]; // [sp+Ch] [bp-2F0h]@3
  FrameTableTxtLine v42; // [sp+200h] [bp-FCh]@4
  FrameTableTxtLine v43; // [sp+27Ch] [bp-80h]@4
  FILE *File; // [sp+2F8h] [bp-4h]@1
  unsigned int Argsa; // [sp+304h] [bp+8h]@3
  int Argsb; // [sp+304h] [bp+8h]@59
  FILE *Argsc; // [sp+304h] [bp+8h]@67

  v2 = this;
  ReleaseSFrames();
  v3 = fopen(Args, "r");
  File = v3;
  if ( !v3 )
    Error("CSpriteFrameTable::load - Unable to open file: %s.", Args);

  v4 = 0;
  Argsa = 0;
  if ( fgets(Buf, 490, v3) )
  {
    do
    {
      *strchr(Buf, '\n') = 0;
      memcpy(&v43, frame_table_txt_parser(Buf, &v42), sizeof(v43));
      if ( v43.uPropCount && *v43.pProperties[0] != '/' )
        ++Argsa;
    }
    while ( fgets(Buf, 490, File) );
    v4 = Argsa;
  }
  v2->uNumSpriteFrames = v4;
  v2->pSpriteSFrames = (SpriteFrame *)malloc(60 * v4);
  v2->pSpriteEFrames = (__int16 *)malloc(2 * v2->uNumSpriteFrames);
  v2->pSpritePFrames = (SpriteFrame **)malloc(4 * v2->uNumSpriteFrames);
  if ( v2->pSpriteSFrames )
  {
    v6 = File;
    v2->uNumSpriteFrames = 0;
    fseek(v6, 0, 0);
    for ( i = fgets(Buf, 490, File); i; i = fgets(Buf, 490, File) )
    {
      *strchr(Buf, 10) = 0;
      memcpy(&v43, frame_table_txt_parser(Buf, &v42), sizeof(v43));
      if ( v43.uPropCount && *v43.pProperties[0] != '/' )
      {
        v8 = v43.pProperties[0];
        v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags = 0;
        v2->pSpriteSFrames[v2->uNumSpriteFrames].uPaletteIndex = 0;
        strcpy(v2->pSpriteSFrames[v2->uNumSpriteFrames].pIconName, v8);
        strcpy(v2->pSpriteSFrames[v2->uNumSpriteFrames].pTextureName, v43.pProperties[1]);
        v9 = atoi(v43.pProperties[3]);
        v10 = v43.pProperties[4];
        v2->pSpriteSFrames[v2->uNumSpriteFrames].uPaletteID = v9;
        v11 = atof(v10) * 65536.0;
        v12 = abs((signed __int64)v11);
        v13 = v43.pProperties[5];
        v2->pSpriteSFrames[v2->uNumSpriteFrames].scale = v12;
        v14 = atoi(v13);
        v15 = v43.pProperties[6];
        v2->pSpriteSFrames[v2->uNumSpriteFrames].uGlowRadius = v14;
        v2->pSpriteSFrames[v2->uNumSpriteFrames].uAnimTime = atoi(v15);
        v16 = (int)&v2->pSpriteSFrames[v2->uNumSpriteFrames];
        if ( *(short *)(v16 + 48) )
          *(int *)(v16 + 44) |= 2u;
        if ( !_stricmp(v43.pProperties[2], "new") )
        {
          v17 = (int)&v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags;
          *(int *)v17 |= 4u;
          v2->pSpritePFrames[v2->uNumEFrames] = &v2->pSpriteSFrames[v2->uNumSpriteFrames];
          v2->pSpriteEFrames[v2->uNumEFrames++] = LOWORD(v2->uNumSpriteFrames);
        }
        if ( !_stricmp(v43.pProperties[10], "1") )
          BYTE2(v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags) |= 4u;
        if ( !_stricmp(v43.pProperties[11], "1") )
          BYTE2(v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags) |= 2u;
        if ( !_stricmp(v43.pProperties[12], "1") )
        {
          v18 = (int)&v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags;
          *(int *)v18 |= 0x20u;
        }
        v19 = atoi(v43.pProperties[7]) - 1;
        if ( v19 )
        {
          v20 = v19 - 2;
          if ( v20 )
          {
            if ( v20 == 2 )
              BYTE1(v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags) |= 0xE0u;
          }
          else
          {
            v21 = (int)&v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags;
            *(int *)v21 |= 0x1E000u;
          }
        }
        else
        {
          v22 = (int)&v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags;
          *(int *)v22 |= 0x10u;
        }
        for ( j = 13; j < v43.uPropCount; ++j )
        {
          v24 = v43.pProperties[j];
          if ( _stricmp(v43.pProperties[j], "Luminous") )
          {
            if ( _stricmp(v24, "Mirror0") )
            {
              if ( _stricmp(v24, "Mirror1") )
              {
                if ( _stricmp(v24, "Mirror2") )
                {
                  if ( _stricmp(v24, "Mirror3") )
                  {
                    if ( _stricmp(v24, "Mirror4") )
                    {
                      if ( _stricmp(v24, "Mirror5") )
                      {
                        if ( _stricmp(v24, "Mirror6") )
                        {
                          if ( !_stricmp(v24, "Mirror7") )
                            BYTE1(v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags) |= 0x80u;
                        }
                        else
                        {
                          BYTE1(v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags) |= 0x40u;
                        }
                      }
                      else
                      {
                        BYTE1(v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags) |= 0x20u;
                      }
                    }
                    else
                    {
                      BYTE1(v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags) |= 0x10u;
                    }
                  }
                  else
                  {
                    BYTE1(v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags) |= 8u;
                  }
                }
                else
                {
                  BYTE1(v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags) |= 4u;
                }
              }
              else
              {
                BYTE1(v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags) |= 2u;
              }
            }
            else
            {
              BYTE1(v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags) |= 1u;
            }
          }
          else
          {
            v25 = (int)&v2->pSpriteSFrames[v2->uNumSpriteFrames].uFlags;
            *(int *)v25 |= 2u;
          }
        }
        ++v2->uNumSpriteFrames;
      }
    }
    fclose(File);
    v26 = 0;
    if ( (signed int)(v2->uNumSpriteFrames - 1) > 0 )
    {
      v27 = 0;
      do
      {
        v28 = (int)&v2->pSpriteSFrames[v27];
        if ( !(*(char *)(v28 + 104) & 4) )
          *(int *)(v28 + 44) |= 1u;
        ++v26;
        ++v27;
      }
      while ( v26 < (signed int)(v2->uNumSpriteFrames - 1) );
    }
    for ( k = 0; k < (signed int)v2->uNumSpriteFrames; *(short *)(Argsb + 56) = v31 )
    {
      v30 = v2->pSpriteSFrames;
      Argsb = (int)&v30[k];
      v31 = *(short *)(Argsb + 54);
      if ( *(char *)(Argsb + 44) & 1 )
      {
        ++k;
        for ( l = (int)&v30[k]; *(char *)(l + 44) & 1; l += 60 )
        {
          v31 += *(short *)(l + 54);
          ++k;
        }
        LOWORD(v31) = v30[k].uAnimTime + v31;
      }
      ++k;
    }
    v33 = v2->uNumEFrames;
    if ( v33 > 0 )
    {
      v34 = 0;
      v35 = 0;
      File = (FILE *)1;
      do
      {
        Argsc = File;
        if ( (signed int)File < v33 )
        {
          do
          {
            if ( _stricmp(v2->pSpritePFrames[(int)Argsc]->pIconName, v2->pSpritePFrames[v35]->pIconName) < 0 )
            {
              v36 = v2->pSpritePFrames;
              v37 = (int)&v36[(int)Argsc];
              v38 = *(SpriteFrame **)v37;
              *(int *)v37 = (int)v36[v35];
              v2->pSpritePFrames[v35] = v38;
              v39 = v2->pSpriteEFrames;
              v40 = (int)&v39[(int)Argsc];
              LOWORD(v38) = *(short *)v40;
              *(short *)v40 = v39[v34];
              v2->pSpriteEFrames[v34] = (signed __int16)v38;
            }
            Argsc = (FILE *)((char *)Argsc + 1);
          }
          while ( (signed int)Argsc < v2->uNumEFrames );
        }
        File = (FILE *)((char *)File + 1);
        v33 = v2->uNumEFrames;
        ++v35;
        ++v34;
      }
      while ( (signed int)((char *)File - 1) < v33 );
    }
    result = 1;
  }
  else
  {
    MessageBoxW(nullptr, L"CSpriteFrameTable::load - Out of Memory!", nullptr, 0);
    fclose(File);
    result = 0;
  }
  return result;
}
//----- (0046E26D) --------------------------------------------------------
void __fastcall _46E26D_collide_against_sprites(signed int a1, signed int a2)
{
  int v2; // edx@5
  unsigned __int16 *v3; // eax@5
  unsigned __int16 v4; // ax@6
  LevelDecoration *v5; // edi@7
  DecorationDesc *v6; // esi@8
  int v7; // edx@9
  int v8; // eax@9
  int v9; // ecx@11
  int v10; // ebx@13
  int v11; // esi@13
  int v12; // ebp@15
  int v13; // ebx@15
  int v14; // esi@16
  int v15; // edi@17
  int v16; // eax@17
  int v17; // esi@19
  char v18; // zf@23
  int v19; // [sp+0h] [bp-10h]@15
  unsigned __int16 *v20; // [sp+4h] [bp-Ch]@5
  int v21; // [sp+8h] [bp-8h]@15
  int v22; // [sp+Ch] [bp-4h]@13

  if ( a1 >= 0 )
  {
    if ( a1 <= 127 )
    {
      if ( a2 >= 0 )
      {
        if ( a2 <= 127 )
        {
          v2 = a1 + (a2 << 7);
          v3 = &pOutdoor->pFaceIDLIST[pOutdoor->pOMAP[v2]];
          v20 = &pOutdoor->pFaceIDLIST[pOutdoor->pOMAP[v2]];
          if ( v3 )
          {
            do
            {
              v4 = *v3;
              if ( PID_TYPE(v4) == OBJECT_Decoration)
              {
                v5 = &pLevelDecorations[(signed __int16)v4 >> 3];
                if (!(v5->uFlags & LEVEL_DECORATION_INVISIBLE))
                {
                  v6 = &pDecorationList->pDecorations[v5->uDecorationDescID];
                  if (!v6->CanMoveThrough())
                  {
                    v7 = v6->uRadius;
                    v8 = v5->vPosition.x;
                    if ( stru_721530.sMaxX <= v8 + v7 )
                    {
                      if ( stru_721530.sMinX >= v8 - v7 )
                      {
                        v9 = v5->vPosition.y;
                        if ( stru_721530.sMaxY <= v9 + v7 )
                        {
                          if ( stru_721530.sMinY >= v9 - v7 )
                          {
                            v10 = v6->uDecorationHeight;
                            v11 = v5->vPosition.z;
                            v22 = v10;
                            if ( stru_721530.sMaxZ <= v11 + v10 )
                            {
                              if ( stru_721530.sMinZ >= v11 )
                              {
                                v12 = v8 - stru_721530.normal.x;
                                v19 = v9 - stru_721530.normal.y;
                                v13 = stru_721530.prolly_normal_d + v7;
                                v21 = ((v8 - stru_721530.normal.x) * stru_721530.direction.y
                                     - (v9 - stru_721530.normal.y) * stru_721530.direction.x) >> 16;
                                if ( abs(v21) <= stru_721530.prolly_normal_d + v7 )
                                {
                                  v14 = (v12 * stru_721530.direction.x + v19 * stru_721530.direction.y) >> 16;
                                  if ( v14 > 0 )
                                  {
                                    v15 = v5->vPosition.z;
                                    v16 = stru_721530.normal.z + fixpoint_mul(stru_721530.direction.z, v14);
                                    if ( v16 >= v15 )
                                    {
                                      if ( v16 <= v22 + v15 )
                                      {
                                        v17 = v14 - integer_sqrt(v13 * v13 - v21 * v21);
                                        if ( v17 < 0 )
                                          v17 = 0;
                                        if ( v17 < stru_721530.field_7C )
                                        {
                                          stru_721530.field_7C = v17;
                                          stru_721530.uFaceID = (signed __int16)*v20;
                                        }
                                      }
                                    }
                                  }
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
              v3 = v20 + 1;
              v18 = *v20 == 0;
              ++v20;
            }
            while ( !v18 );
          }
        }
      }
    }
  }
}