void FUN_004021c8(undefined4 param_1,undefined4 param_2,ushort *param_3,undefined4 *param_4,

                 undefined4 *param_5)

{

  byte bVar1;

  short sVar2;

  ushort uVar3;

  undefined4 uVar4;

  undefined4 uVar5;

  int iVar6;

  short *psVar7;

  byte *pbVar8;

  undefined4 uVar9;

  undefined2 *puVar10;

  uint uVar11;

  uint uVar12;

  uint uVar13;

  uint uVar14;

  uint uVar15;

  uVar4 = *param_5;

  uVar5 = param_5[0xf0];

  FUN_00401d70(param_1,param_2,&DAT_0041847c);

  pbVar8 = &DAT_00415088;

  puVar10 = &DAT_0041847c;

  do {

    bVar1 = *pbVar8;

    pbVar8 = pbVar8 + 1;

    (&DAT_004184fc)[bVar1] = *puVar10;

    puVar10 = puVar10 + 1;

  } while (pbVar8 != &DAT_004150c8);

  iVar6 = (int)(short)DAT_004184fc;

  uVar3 = *param_3;

  *param_3 = DAT_004184fc;

  iVar6 = (int)((iVar6 - (uint)uVar3) * 0x10000) >> 0x10;

  if (iVar6 == 0) {

    uVar9 = *param_4;

  }

  else {

    FUN_0040207c(param_4[*(byte *)(DAT_00415da8 + iVar6)]);

    uVar9 = *(undefined4 *)(DAT_00415db0 + iVar6 * 4);

  }

  uVar15 = 0x3f;

  FUN_0040207c(uVar9);

  psVar7 = &DAT_0041857a;

  while( true ) {

    sVar2 = *psVar7;

    psVar7 = psVar7 + -1;

    if (sVar2 != 0) break;

    uVar15 = uVar15 - 1 & 0xff;

    if (uVar15 == 0) goto LAB_00402418;

  }

  uVar12 = 1;

  while (uVar14 = uVar12, uVar12 <= uVar15) {

    while( true ) {

      if (((&DAT_004184fc)[uVar14] != 0) || (uVar15 < uVar14)) break;

      uVar14 = uVar14 + 1 & 0xff;

    }

    uVar13 = uVar14 - uVar12 & 0xff;

    if (0xf < uVar13) {

      uVar11 = 1;

      do {

        FUN_0040207c(uVar5);

        uVar11 = uVar11 + 1 & 0xff;

      } while (uVar11 <= uVar13 >> 4);

      uVar13 = uVar14 - uVar12 & 0xf;

    }

    FUN_0040207c(param_5[uVar13 * 0x10 +

                         (uint)*(byte *)(DAT_00415da8 + (short)(&DAT_004184fc)[uVar14])]);

    FUN_0040207c(*(undefined4 *)(DAT_00415db0 + (short)(&DAT_004184fc)[uVar14] * 4));

    uVar12 = uVar14 + 1 & 0xff;

  }

  if (uVar15 == 0x3f) {

    return;

  }

LAB_00402418:

  FUN_0040207c(uVar4);

  return;

}