COverlayMgr::CreateFragments

/* COverlayMgr::CreateFragments() */

void __thiscall COverlayMgr::CreateFragments(COverlayMgr *this)

{
  moverlay_t *pmVar1;
  ushort *puVar2;
  int iVar3;
  msurface2_t *pmVar4;
  float *pfVar5;
  undefined4 *puVar6;
  uint uVar7;
  int iVar8;
  float *pfVar9;
  float *pfVar10;
  int iVar11;
  undefined1 *puVar12;
  int iVar13;
  uint *puVar14;
  int iVar15;
  int iVar16;
  float fVar17;
  float fVar18;
  float fVar19;
  float fVar20;
  int local_34;
  int local_20;
  
  iVar3 = *(int *)(this + 0x34);
  if (0 < iVar3) {
    local_20 = 0;
    iVar15 = *(int *)(this + 0x28);
    do {
      while( true ) {
        pmVar1 = (moverlay_t *)(iVar15 + local_20 * 0xa8);
        iVar13 = *(int *)(pmVar1 + 0x18);
        if (iVar13 == 0) break;
        fVar20 = *(float *)(pmVar1 + 0x5c);
        *(undefined4 *)(pmVar1 + 0x5c) = 0;
        iVar15 = 0;
        Overlay_BuildBasis((Vector *)(pmVar1 + 0x84),(Vector *)(pmVar1 + 0x6c),
                           (Vector *)(pmVar1 + 0x78),fVar20 == 1.0);
        if (0 < iVar13) {
          do {
            while (pmVar4 = *(msurface2_t **)(*(int *)(pmVar1 + 0xc) + iVar15 * 4),
                  (*(uint *)pmVar4 & 0x800) == 0) {
              Surf_CreateFragments(this,pmVar1,pmVar4);
              iVar15 = iVar15 + 1;
              if (iVar15 == iVar13) goto LAB_001d3d34;
            }
            Disp_CreateFragments(this,pmVar1,pmVar4);
            iVar15 = iVar15 + 1;
          } while (iVar15 != iVar13);
        }
LAB_001d3d34:
        local_20 = local_20 + 1;
        iVar15 = *(int *)(this + 0x28);
        if (local_20 == iVar3) goto LAB_001d3d4a;
      }
      local_20 = local_20 + 1;
    } while (local_20 != iVar3);
LAB_001d3d4a:
    local_20 = 0;
    while( true ) {
      iVar15 = local_20 * 0xa8 + iVar15;
      uVar7 = (uint)*(ushort *)(iVar15 + 8);
      fVar20 = 0.0;
      if (uVar7 != 0xffff) {
        do {
          puVar2 = (ushort *)(*(int *)(this + 0x58) + uVar7 * 6);
          iVar8 = (uint)*puVar2 * 0x2c + *(int *)(this + 0x3c);
          iVar13 = *(int *)(iVar8 + 0x1c);
          if (0 < iVar13) {
            pfVar5 = *(float **)(iVar8 + 0x10);
            pfVar9 = pfVar5;
            do {
              pfVar10 = pfVar9 + 0xd;
              fVar17 = *pfVar9 - *(float *)(iVar15 + 0x60);
              fVar19 = pfVar9[2] - *(float *)(iVar15 + 0x68);
              fVar18 = pfVar9[1] - *(float *)(iVar15 + 100);
              fVar17 = fVar17 * fVar17 + fVar19 * fVar19 + fVar18 * fVar18;
              if (fVar20 <= fVar17) {
                fVar20 = fVar17;
              }
              pfVar9 = pfVar10;
            } while (pfVar10 != pfVar5 + iVar13 * 0xd);
          }
          uVar7 = (uint)puVar2[2];
        } while (uVar7 != 0xffff);
        fVar20 = SQRT(fVar20);
      }
      local_20 = local_20 + 1;
      *(float *)(iVar15 + 0xa0) = fVar20;
      if (local_20 == iVar3) break;
      iVar15 = *(int *)(this + 0x28);
    }
    local_34 = 0;
    local_20 = 0;
    do {
      iVar15 = local_34 + *(int *)(this + 0x28);
      uVar7 = (uint)*(ushort *)(iVar15 + 8);
      if (uVar7 != 0xffff) {
        iVar13 = *(int *)(this + 0x58);
        do {
          iVar13 = (uint)*(ushort *)(iVar13 + uVar7 * 6) * 0x2c + *(int *)(this + 0x3c);
          if ((*(uint *)(iVar13 + 0x24) & 0x7f800000) == 0x7f800000) {
            iVar8 = *(short *)(iVar15 + 4) * 0x50 + *(int *)(DAT_003a172c + 0x5c);
            if (iVar8 == 0) {
              puVar12 = &DAT_002c79d4;
            }
            else {
              puVar6 = *(undefined4 **)(iVar8 + 0x4c);
              puVar12 = &DAT_002c79d4;
              if (puVar6 != (undefined4 *)0x0) {
                puVar12 = (undefined1 *)(**(code **)*puVar6)(puVar6);
              }
            }
            DevMsg(1,"Bad overlay decal offset - %d with material \'%s\'\n",local_20,puVar12);
          }
          iVar16 = 0;
          iVar8 = *(int *)(iVar13 + 0x1c);
          if (0 < iVar8) {
            do {
              puVar14 = (uint *)(iVar16 * 0x34 + *(int *)(iVar13 + 0x10));
              if ((((*puVar14 & 0x7f800000) == 0x7f800000) ||
                  ((puVar14[1] & 0x7f800000) == 0x7f800000)) ||
                 ((puVar14[2] & 0x7f800000) == 0x7f800000)) {
                iVar11 = *(short *)(iVar15 + 4) * 0x50 + *(int *)(DAT_003a172c + 0x5c);
                if (iVar11 == 0) {
                  puVar12 = &DAT_002c79d4;
                }
                else {
                  puVar6 = *(undefined4 **)(iVar11 + 0x4c);
                  puVar12 = &DAT_002c79d4;
                  if (puVar6 != (undefined4 *)0x0) {
                    puVar12 = (undefined1 *)(**(code **)*puVar6)(puVar6);
                  }
                }
                DevMsg(1,"Bad overlay vert - %d at (%f, %f, %f) with material \'%s\'\n",local_20,
                       (double)*(float *)(iVar15 + 0x60),(double)*(float *)(iVar15 + 100),
                       (double)*(float *)(iVar15 + 0x68),puVar12);
                if ((puVar14[3] & 0x7f800000) != 0x7f800000) goto LAB_001d3f09;
LAB_001d4031:
                iVar11 = *(short *)(iVar15 + 4) * 0x50 + *(int *)(DAT_003a172c + 0x5c);
                if (iVar11 == 0) {
                  puVar12 = &DAT_002c79d4;
                }
                else {
                  puVar6 = *(undefined4 **)(iVar11 + 0x4c);
                  puVar12 = &DAT_002c79d4;
                  if (puVar6 != (undefined4 *)0x0) {
                    puVar12 = (undefined1 *)(**(code **)*puVar6)(puVar6);
                  }
                }
                DevMsg(1,"Bad overlay normal - %d at (%f, %f, %f) with material \'%s\'\n",local_20,
                       (double)*(float *)(iVar15 + 0x60),(double)*(float *)(iVar15 + 100),
                       (double)*(float *)(iVar15 + 0x68),puVar12);
                if ((puVar14[6] & 0x7f800000) == 0x7f800000) goto LAB_001d40c0;
LAB_001d3f42:
                if ((((puVar14[7] & 0x7f800000) == 0x7f800000) ||
                    ((puVar14[8] & 0x7f800000) == 0x7f800000)) ||
                   ((puVar14[9] & 0x7f800000) == 0x7f800000)) goto LAB_001d40c0;
              }
              else {
                if ((puVar14[3] & 0x7f800000) == 0x7f800000) goto LAB_001d4031;
LAB_001d3f09:
                if (((puVar14[4] & 0x7f800000) == 0x7f800000) ||
                   ((puVar14[5] & 0x7f800000) == 0x7f800000)) goto LAB_001d4031;
                if ((puVar14[6] & 0x7f800000) != 0x7f800000) goto LAB_001d3f42;
LAB_001d40c0:
                iVar11 = *(short *)(iVar15 + 4) * 0x50 + *(int *)(DAT_003a172c + 0x5c);
                if (iVar11 == 0) {
                  puVar12 = &DAT_002c79d4;
                }
                else {
                  puVar6 = *(undefined4 **)(iVar11 + 0x4c);
                  puVar12 = &DAT_002c79d4;
                  if (puVar6 != (undefined4 *)0x0) {
                    puVar12 = (undefined1 *)(**(code **)*puVar6)(puVar6);
                  }
                }
                DevMsg(1,"Bad overlay texture coords - %d at (%f, %f, %f) with material \'%s\'\n",
                       local_20,(double)*(float *)(iVar15 + 0x60),(double)*(float *)(iVar15 + 100),
                       (double)*(float *)(iVar15 + 0x68),puVar12);
              }
              iVar16 = iVar16 + 1;
            } while (iVar16 != iVar8);
          }
          iVar13 = *(int *)(this + 0x58);
          uVar7 = (uint)*(ushort *)(iVar13 + 4 + uVar7 * 6);
        } while (uVar7 != 0xffff);
      }
      local_20 = local_20 + 1;
      local_34 = local_34 + 0xa8;
    } while (local_20 != iVar3);
  }
  return;
}