Mercurial > mm7
view Engine/Graphics/Sprites.cpp @ 2524:c7264ab7132f
Main menu rendered using d3d11
author | a.parshin |
---|---|
date | Fri, 10 Oct 2014 17:42:05 +0300 |
parents | 491f0babd563 |
children | a902abdfc7f2 |
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#define _CRTDBG_MAP_ALLOC #include <stdlib.h> #include <crtdbg.h> #define _CRT_SECURE_NO_WARNINGS #include <string.h> #include <algorithm> #include "../ErrorHandling.h" #include "Sprites.h" #include "PaletteManager.h" #include "../LOD.h" #include "../Tables/FrameTableInc.h" #include "Outdoor.h" #include "DecorationList.h" #include "../MM7.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 ); } } } } } }