L L4D2node

LzmaDecode

0x00253770 · 2611 bytes · __cdecl

_Z10LzmaDecodeP18_CLzmaDecoderStatePKhjPjPhjS3_PFvvE

Decompiled

undefined (8 params)

/* LzmaDecode(_CLzmaDecoderState*, unsigned char const*, unsigned int, unsigned int*, unsigned
   char*, unsigned int, unsigned int*, void (*)()) */

undefined4
LzmaDecode(_CLzmaDecoderState *param_1,uchar *param_2,uint param_3,uint *param_4,uchar *param_5,
          uint param_6,uint *param_7,_func_void *param_8)

{
  int iVar1;
  undefined4 uVar2;
  undefined4 uVar3;
  uint uVar4;
  bool bVar5;
  byte bVar6;
  undefined4 uVar7;
  int iVar8;
  byte *pbVar9;
  uint uVar10;
  uint uVar11;
  int iVar12;
  uint uVar13;
  byte *pbVar14;
  uint *puVar15;
  uint uVar16;
  uint uVar17;
  uint uVar18;
  uint uVar19;
  int local_74;
  uint local_70;
  uint local_6c;
  uint local_64;
  byte local_60;
  uint local_54;
  uint local_38;
  uint local_34;
  int local_30;
  uint local_2c;
  uint *local_28;
  byte *local_20;
  
  if (param_8 != (_func_void *)0x0) {
    uVar7 = LzmaDecodeWithCallback(param_1,param_2,param_3,param_4,param_5,param_6,param_7,param_8);
    return uVar7;
  }
  iVar1 = *(int *)(param_1 + 0xc);
  uVar7 = *(undefined4 *)(param_1 + 8);
  uVar2 = *(undefined4 *)(param_1 + 4);
  uVar3 = *(undefined4 *)param_1;
  *param_4 = 0;
  *param_7 = 0;
  bVar6 = (byte)uVar3;
  iVar8 = 0x300 << ((char)*(undefined4 *)(param_1 + 4) + bVar6 & 0x1f);
  iVar12 = 0;
  if (iVar8 != -0x736) {
    do {
      *(undefined4 *)(iVar1 + iVar12 * 4) = 0x400;
      iVar12 = iVar12 + 1;
    } while (iVar8 + 0x736 != iVar12);
  }
  pbVar14 = param_2 + param_3;
  if (param_2 == pbVar14) {
LAB_00253ad0:
    uVar7 = 1;
  }
  else {
    uVar17 = (uint)*param_2;
    pbVar9 = param_2 + 1;
    do {
      if (pbVar9 == pbVar14) goto LAB_00253ad0;
      local_20 = pbVar9 + 1;
      uVar17 = (uint)*pbVar9 | uVar17 << 8;
      pbVar9 = local_20;
    } while (local_20 != param_2 + 5);
    if (param_6 == 0) {
      local_38 = 0;
    }
    else {
      local_70 = 1;
      uVar13 = 0;
      local_6c = 1;
      local_64 = 1;
      local_60 = 8 - bVar6;
      local_54 = 1;
      uVar18 = 0xffffffff;
      local_34 = 0;
      local_38 = 0;
      do {
        uVar4 = local_54;
        uVar16 = local_64;
        uVar10 = local_38 & (1 << ((byte)uVar7 & 0x1f)) - 1U;
        iVar8 = (local_34 * 0x10 + uVar10) * 4;
        puVar15 = (uint *)(iVar1 + iVar8);
        uVar19 = uVar18;
        if (uVar18 < 0x1000000) {
          if (local_20 == pbVar14) goto LAB_00253ad0;
          uVar19 = uVar18 << 8;
          uVar17 = (uint)*local_20 | uVar17 << 8;
          local_20 = local_20 + 1;
        }
        uVar11 = *puVar15;
        uVar18 = (uVar19 >> 0xb) * uVar11;
        if (uVar17 < uVar18) {
          *puVar15 = uVar11 + (0x800 - uVar11 >> 5);
          iVar8 = iVar1 + 0x1cd8 +
                  (((local_38 & (1 << ((byte)uVar2 & 0x1f)) - 1U) << (bVar6 & 0x1f)) +
                  ((int)(uVar13 & 0xff) >> (local_60 & 0x1f))) * 0xc00;
          uVar13 = 1;
          if ((int)local_34 < 7) {
LAB_00253a1a:
            do {
              puVar15 = (uint *)(iVar8 + uVar13 * 4);
              uVar16 = uVar18;
              if (uVar18 < 0x1000000) {
                if (local_20 == pbVar14) goto LAB_00253ad0;
                uVar16 = uVar18 << 8;
                uVar17 = (uint)*local_20 | uVar17 << 8;
                local_20 = local_20 + 1;
              }
              uVar4 = *puVar15;
              uVar18 = (uVar16 >> 0xb) * uVar4;
              if (uVar17 < uVar18) {
                uVar13 = uVar13 * 2;
                *puVar15 = uVar4 + (0x800 - uVar4 >> 5);
                if (0xff < (int)uVar13) break;
                goto LAB_00253a1a;
              }
              uVar13 = uVar13 * 2 + 1;
              uVar16 = uVar16 - uVar18;
              uVar17 = uVar17 - uVar18;
              *puVar15 = uVar4 - (uVar4 >> 5);
              uVar18 = uVar16;
            } while ((int)uVar13 < 0x100);
            param_5[local_38] = (uchar)uVar13;
            if ((int)local_34 < 4) {
              local_34 = 0;
              local_38 = local_38 + 1;
              goto LAB_00253a96;
            }
          }
          else {
            local_2c = (uint)param_5[local_38 - local_54];
            uVar13 = 1;
            do {
              local_2c = local_2c << 1;
              uVar16 = local_2c & 0x100;
              puVar15 = (uint *)(iVar8 + (uVar13 + 0x100 + uVar16) * 4);
              if (uVar18 < 0x1000000) {
                if (local_20 == pbVar14) goto LAB_00253ad0;
                uVar18 = uVar18 << 8;
                uVar17 = (uint)*local_20 | uVar17 << 8;
                local_20 = local_20 + 1;
              }
              uVar4 = *puVar15;
              uVar19 = (uVar18 >> 0xb) * uVar4;
              if (uVar17 < uVar19) {
                uVar13 = uVar13 * 2;
                *puVar15 = uVar4 + (0x800 - uVar4 >> 5);
                uVar18 = uVar19;
                if (uVar16 != 0) goto LAB_00254128;
              }
              else {
                uVar13 = uVar13 * 2 + 1;
                uVar18 = uVar18 - uVar19;
                uVar17 = uVar17 - uVar19;
                *puVar15 = uVar4 - (uVar4 >> 5);
                if (uVar16 == 0) {
LAB_00254128:
                  if ((int)uVar13 < 0x100) goto LAB_00253a1a;
                  break;
                }
              }
            } while ((int)uVar13 < 0x100);
            param_5[local_38] = (uchar)uVar13;
          }
          local_38 = local_38 + 1;
          uVar16 = local_34 - 6;
          bVar5 = 9 < (int)local_34;
          local_34 = local_34 - 3;
          if (bVar5) {
            local_34 = uVar16;
          }
        }
        else {
          uVar19 = uVar19 - uVar18;
          uVar17 = uVar17 - uVar18;
          *puVar15 = uVar11 - (uVar11 >> 5);
          iVar12 = local_34 * 4 + 0x300;
          puVar15 = (uint *)(iVar1 + iVar12);
          if (uVar19 < 0x1000000) {
            if (local_20 == pbVar14) goto LAB_00253ad0;
            uVar19 = uVar19 * 0x100;
            uVar17 = uVar17 * 0x100 | (uint)*local_20;
            local_20 = local_20 + 1;
          }
          uVar13 = *puVar15;
          uVar11 = (uVar19 >> 0xb) * uVar13;
          if (uVar17 < uVar11) {
            *puVar15 = uVar13 + (0x800 - uVar13 >> 5);
            local_34 = (uint)(6 < (int)local_34) * 3;
            local_70 = local_6c;
            local_28 = (uint *)(iVar1 + 0xcc8);
            local_6c = local_64;
            local_64 = local_54;
          }
          else {
            uVar19 = uVar19 - uVar11;
            uVar17 = uVar17 - uVar11;
            *puVar15 = uVar13 - (uVar13 >> 5);
            puVar15 = (uint *)(iVar1 + 0x30 + iVar12);
            if (uVar19 < 0x1000000) {
              if (local_20 == pbVar14) goto LAB_00253ad0;
              uVar19 = uVar19 * 0x100;
              uVar17 = uVar17 * 0x100 | (uint)*local_20;
              local_20 = local_20 + 1;
            }
            uVar13 = *puVar15;
            uVar11 = (uVar19 >> 0xb) * uVar13;
            if (uVar17 < uVar11) {
              *puVar15 = uVar13 + (0x800 - uVar13 >> 5);
              puVar15 = (uint *)(iVar1 + 0x3c0 + iVar8);
              if (uVar11 < 0x1000000) {
                if (local_20 == pbVar14) goto LAB_00253ad0;
                uVar11 = uVar11 * 0x100;
                uVar17 = (uint)*local_20 | uVar17 << 8;
                local_20 = local_20 + 1;
              }
              uVar13 = *puVar15;
              uVar18 = (uVar11 >> 0xb) * uVar13;
              if (uVar17 < uVar18) {
                *puVar15 = (0x800 - uVar13 >> 5) + uVar13;
                if (local_38 != 0) {
                  uVar13 = (uint)param_5[local_38 - local_54];
                  param_5[local_38] = param_5[local_38 - local_54];
                  local_38 = local_38 + 1;
                  local_34 = (uint)(6 < (int)local_34) * 2 + 9;
                  goto LAB_00253a96;
                }
                goto LAB_00253ad0;
              }
              uVar17 = uVar17 - uVar18;
              *puVar15 = uVar13 - (uVar13 >> 5);
              uVar11 = uVar11 - uVar18;
            }
            else {
              uVar19 = uVar19 - uVar11;
              uVar17 = uVar17 - uVar11;
              *puVar15 = uVar13 - (uVar13 >> 5);
              puVar15 = (uint *)(iVar1 + 0x60 + iVar12);
              if (uVar19 < 0x1000000) {
                if (local_20 == pbVar14) goto LAB_00253ad0;
                uVar19 = uVar19 * 0x100;
                uVar17 = uVar17 * 0x100 | (uint)*local_20;
                local_20 = local_20 + 1;
              }
              uVar13 = *puVar15;
              uVar11 = (uVar19 >> 0xb) * uVar13;
              if (uVar17 < uVar11) {
                *puVar15 = uVar13 + (0x800 - uVar13 >> 5);
                local_54 = local_64;
                local_64 = uVar4;
              }
              else {
                uVar19 = uVar19 - uVar11;
                uVar17 = uVar17 - uVar11;
                *puVar15 = uVar13 - (uVar13 >> 5);
                puVar15 = (uint *)(iVar1 + 0x90 + iVar12);
                if (uVar19 < 0x1000000) {
                  if (local_20 == pbVar14) goto LAB_00253ad0;
                  uVar19 = uVar19 * 0x100;
                  uVar17 = uVar17 * 0x100 | (uint)*local_20;
                  local_20 = local_20 + 1;
                }
                uVar13 = *puVar15;
                uVar18 = (uVar19 >> 0xb) * uVar13;
                if (uVar17 < uVar18) {
                  *puVar15 = uVar13 + (0x800 - uVar13 >> 5);
                  local_54 = local_6c;
                  local_64 = uVar4;
                  local_6c = uVar16;
                  uVar11 = uVar18;
                }
                else {
                  uVar11 = uVar19 - uVar18;
                  uVar17 = uVar17 - uVar18;
                  *puVar15 = uVar13 - (uVar13 >> 5);
                  uVar13 = local_70;
                  local_70 = local_6c;
                  local_6c = local_64;
                  local_64 = local_54;
                  local_54 = uVar13;
                }
              }
            }
            local_34 = (uint)(6 < (int)local_34) * 3 + 8;
            local_28 = (uint *)(iVar1 + 0x14d0);
          }
          if (uVar11 < 0x1000000) {
            if (local_20 == pbVar14) goto LAB_00253ad0;
            uVar11 = uVar11 << 8;
            uVar17 = (uint)*local_20 | uVar17 << 8;
            local_20 = local_20 + 1;
          }
          uVar13 = *local_28;
          uVar18 = (uVar11 >> 0xb) * uVar13;
          if (uVar17 < uVar18) {
            local_74 = 0;
            local_30 = 3;
            *local_28 = (0x800 - uVar13 >> 5) + uVar13;
            local_28 = local_28 + uVar10 * 8 + 2;
          }
          else {
            uVar11 = uVar11 - uVar18;
            uVar17 = uVar17 - uVar18;
            *local_28 = uVar13 - (uVar13 >> 5);
            if (uVar11 < 0x1000000) {
              if (local_20 == pbVar14) goto LAB_00253ad0;
              uVar11 = uVar11 * 0x100;
              uVar17 = uVar17 * 0x100 | (uint)*local_20;
              local_20 = local_20 + 1;
            }
            uVar13 = local_28[1];
            uVar16 = (uVar11 >> 0xb) * uVar13;
            if (uVar17 < uVar16) {
              local_74 = 8;
              local_30 = 3;
              local_28[1] = uVar13 + (0x800 - uVar13 >> 5);
              local_28 = local_28 + uVar10 * 8 + 0x82;
              uVar18 = uVar16;
            }
            else {
              uVar18 = uVar11 - uVar16;
              uVar17 = uVar17 - uVar16;
              local_74 = 0x10;
              local_30 = 8;
              local_28[1] = uVar13 - (uVar13 >> 5);
              local_28 = local_28 + 0x102;
            }
          }
          iVar8 = 1;
          local_2c = local_30;
          do {
            while( true ) {
              puVar15 = local_28 + iVar8;
              uVar13 = uVar18;
              if (uVar18 < 0x1000000) {
                if (local_20 == pbVar14) goto LAB_00253ad0;
                uVar13 = uVar18 << 8;
                uVar17 = (uint)*local_20 | uVar17 << 8;
                local_20 = local_20 + 1;
              }
              uVar16 = *puVar15;
              uVar18 = (uVar13 >> 0xb) * uVar16;
              if (uVar17 < uVar18) break;
              iVar8 = iVar8 * 2 + 1;
              uVar13 = uVar13 - uVar18;
              uVar17 = uVar17 - uVar18;
              local_2c = local_2c + -1;
              *puVar15 = uVar16 - (uVar16 >> 5);
              uVar18 = uVar13;
              if (local_2c == 0) goto LAB_00253c54;
            }
            iVar8 = iVar8 * 2;
            local_2c = local_2c + -1;
            *puVar15 = uVar16 + (0x800 - uVar16 >> 5);
          } while (local_2c != 0);
LAB_00253c54:
          local_74 = (iVar8 - (1 << (sbyte)local_30)) + local_74;
          if (local_34 < 4) {
            iVar8 = 3;
            if (local_74 < 4) {
              iVar8 = local_74;
            }
            local_2c = 6;
            iVar12 = 1;
            do {
              puVar15 = (uint *)(iVar1 + 0x6c0 + iVar8 * 0x100 + iVar12 * 4);
              uVar13 = uVar18;
              if (uVar18 < 0x1000000) {
                if (local_20 == pbVar14) goto LAB_00253ad0;
                uVar13 = uVar18 << 8;
                uVar17 = (uint)*local_20 | uVar17 << 8;
                local_20 = local_20 + 1;
              }
              uVar16 = *puVar15;
              uVar18 = (uVar13 >> 0xb) * uVar16;
              if (uVar17 < uVar18) {
                iVar12 = iVar12 * 2;
                *puVar15 = uVar16 + (0x800 - uVar16 >> 5);
              }
              else {
                iVar12 = iVar12 * 2 + 1;
                uVar17 = uVar17 - uVar18;
                *puVar15 = uVar16 - (uVar16 >> 5);
                uVar18 = uVar13 - uVar18;
              }
              local_2c = local_2c + -1;
            } while (local_2c != 0);
            uVar13 = iVar12 - 0x40;
            local_54 = uVar13;
            if (3 < (int)uVar13) {
              local_54 = uVar13 & 1 | 2;
              if ((int)uVar13 < 0xe) {
                local_30 = ((int)uVar13 >> 1) + -1;
                local_54 = local_54 << ((byte)local_30 & 0x1f);
                local_2c = iVar1 + 0xabc + (local_54 - uVar13) * 4;
              }
              else {
                iVar8 = ((int)uVar13 >> 1) + -5;
                pbVar9 = local_20;
                do {
                  local_20 = pbVar9;
                  if (uVar18 < 0x1000000) {
                    if (pbVar9 == pbVar14) goto LAB_00253ad0;
                    uVar18 = uVar18 << 8;
                    local_20 = pbVar9 + 1;
                    uVar17 = (uint)*pbVar9 | uVar17 << 8;
                  }
                  uVar18 = uVar18 >> 1;
                  local_54 = local_54 * 2;
                  if (uVar18 <= uVar17) {
                    uVar17 = uVar17 - uVar18;
                    local_54 = local_54 | 1;
                  }
                  iVar8 = iVar8 + -1;
                  pbVar9 = local_20;
                } while (iVar8 != 0);
                local_54 = local_54 << 4;
                local_30 = 4;
                local_2c = iVar1 + 0xc88;
              }
              iVar8 = 1;
              local_28 = (uint *)0x1;
              do {
                puVar15 = (uint *)(local_2c + iVar8 * 4);
                uVar13 = uVar18;
                if (uVar18 < 0x1000000) {
                  if (local_20 == pbVar14) goto LAB_00253ad0;
                  uVar13 = uVar18 << 8;
                  uVar17 = (uint)*local_20 | uVar17 << 8;
                  local_20 = local_20 + 1;
                }
                uVar16 = *puVar15;
                uVar18 = (uVar13 >> 0xb) * uVar16;
                if (uVar17 < uVar18) {
                  iVar8 = iVar8 * 2;
                  *puVar15 = uVar16 + (0x800 - uVar16 >> 5);
                }
                else {
                  iVar8 = iVar8 * 2 + 1;
                  uVar17 = uVar17 - uVar18;
                  *puVar15 = uVar16 - (uVar16 >> 5);
                  local_54 = local_54 | (uint)local_28;
                  uVar18 = uVar13 - uVar18;
                }
                local_28 = (uint *)((int)local_28 << 1);
                local_30 = local_30 + -1;
              } while (local_30 != 0);
            }
            local_54 = local_54 + 1;
            if (local_54 == 0) break;
            local_34 = local_34 + 7;
          }
          local_74 = local_74 + 2;
          if (local_38 < local_54) goto LAB_00253ad0;
          uVar16 = local_38;
          do {
            uVar13 = (uint)param_5[uVar16 - local_54];
            local_38 = uVar16 + 1;
            local_74 = local_74 + -1;
            param_5[uVar16] = param_5[uVar16 - local_54];
            if (param_6 <= local_38) break;
            uVar16 = local_38;
          } while (local_74 != 0);
        }
LAB_00253a96:
      } while (local_38 < param_6);
      if (uVar18 < 0x1000000) {
        if (local_20 == pbVar14) goto LAB_00253ad0;
        local_20 = local_20 + 1;
      }
    }
    *param_4 = (int)local_20 - (int)param_2;
    *param_7 = local_38;
    uVar7 = 0;
  }
  return uVar7;
}

SourceMod gamedata

paste into addons/sourcemod/gamedata/<your_plugin>.txt
used as the SourceMod key — change to fit your plugin's convention
SourceMod library name (server / engine / matchmaking)

Just a Signatures{} block, ready to drop into a gamedata file. Wire it up in your plugin however you like - SDKCall, DHooks, raw memory ops, or anything else.



        

        

          

Type inference is best-effort from the C signature - sanity-check the DHooks types before shipping.

Return-type handling cheatsheet (DHookReturn)