CDispInfo::GenerateDecalFragments_R

/* CDispInfo::GenerateDecalFragments_R(CVertIndex const&, int, unsigned short, CDispDecalBase*, int)
    */

void __thiscall
CDispInfo::GenerateDecalFragments_R
          (CDispInfo *this,CVertIndex *param_1,int param_2,ushort param_3,CDispDecalBase *param_4,
          int param_5)

{
  CVertIndex *pCVar1;
  CDispDecalBase CVar2;
  short sVar3;
  ushort uVar4;
  ushort *puVar5;
  int iVar6;
  uint uVar7;
  int iVar8;
  int iVar9;
  int iVar10;
  int local_28;
  
  sVar3 = *(short *)param_1;
  iVar9 = *(int *)(this + 0x1dc);
  iVar8 = *(int *)(iVar9 + 0x24);
  if ((*(uint *)(param_4 + ((uint)param_2 >> 5) * 4) & 1 << ((byte)param_2 & 0x1f)) != 0) {
    puVar5 = (ushort *)(param_2 * 0x1c + *(int *)(this + 0x24c));
    if ((param_5 + 1 < *(int *)(this + 0x184)) && ((*(byte *)((int)puVar5 + 3) & 1) != 0)) {
      local_28 = param_2 + 1;
      iVar6 = *(short *)(param_1 + 2) * iVar8;
      iVar10 = 0;
      while( true ) {
        pCVar1 = (CVertIndex *)((iVar6 + sVar3) * 0x10 + *(int *)(iVar9 + 8) + iVar10 * 4);
        uVar7 = (int)*(short *)pCVar1 + *(short *)(pCVar1 + 2) * iVar8;
        if ((*(uint *)(this + (uVar7 >> 5) * 4 + 0x118) & 1 << ((byte)uVar7 & 0x1f)) != 0) {
          GenerateDecalFragments_R(this,pCVar1,local_28,param_3,param_4,param_5 + 1);
          iVar9 = *(int *)(this + 0x1dc);
        }
        iVar10 = iVar10 + 1;
        local_28 = local_28 + *(int *)(iVar9 + 8 + (param_5 + 0xc) * 4);
        if (iVar10 == 4) break;
        iVar8 = *(int *)(iVar9 + 0x24);
      }
    }
    iVar8 = 0;
    CVar2 = param_4[0xc];
    uVar4 = *puVar5;
    if ((char)puVar5[1] != '\0') {
      do {
        while (((byte)CVar2 & 2) == 0) {
          TestAddDecalTri(this,iVar8 + (uint)uVar4,param_3,(CDispDecal *)param_4);
          iVar8 = iVar8 + 3;
          if ((int)(uint)(byte)puVar5[1] <= iVar8) {
            return;
          }
        }
        TestAddDecalTri((int)this,(ushort)(iVar8 + (uint)uVar4),(CDispShadowDecal *)(uint)param_3);
        iVar8 = iVar8 + 3;
      } while (iVar8 < (int)(uint)(byte)puVar5[1]);
    }
  }
  return;
}