GenerateQuadIndexBuffer

/* GenerateQuadIndexBuffer(unsigned short*, int, int) */

void GenerateQuadIndexBuffer(ushort *param_1,int param_2,int param_3)

{
  ushort uVar1;
  int iVar2;
  int iVar3;
  int iVar4;
  ushort *puVar5;
  ushort *puVar6;
  
  if (param_1 != (ushort *)0x0) {
    iVar3 = param_2 / 6;
    if (((uint)param_1 & 3) == 0) {
      if (0 < iVar3) {
        iVar4 = CONCAT22((ushort)param_3,(ushort)param_3) + 0x10000;
        puVar5 = param_1;
        do {
          *(int *)puVar5 = iVar4;
          puVar6 = puVar5 + 6;
          *(int *)(puVar5 + 2) = iVar4 + -0xfffe;
          iVar2 = iVar4 + 0x20002;
          iVar4 = iVar4 + 0x40004;
          *(int *)(puVar5 + 4) = iVar2;
          puVar5 = puVar6;
        } while (puVar6 != param_1 + iVar3 * 6);
      }
    }
    else {
      iVar4 = 0;
      if (0 < iVar3) {
        do {
          iVar4 = iVar4 + 1;
          *param_1 = (ushort)param_3;
          param_1[1] = (ushort)param_3 + 1;
          param_1[2] = (ushort)param_3 + 2;
          param_1[4] = (ushort)param_3 + 2;
          uVar1 = (ushort)param_3 + 3;
          param_1[3] = (ushort)param_3;
          param_3._0_2_ = (ushort)param_3 + 4;
          param_1[5] = uVar1;
          param_1 = param_1 + 6;
        } while (iVar4 != iVar3);
        return;
      }
    }
  }
  return;
}