#include "AksysGames.h"

bool AksysGames::attach_function()
{

  const BYTE bytes[] = {
      /*
      v8 = *v2;
        if ( *v2 == (char)0x80 )
        {
          ++v2;
          ++v5;
          goto LABEL_26;
        }
        v9 = 0;
        v17 = v7;
        v15 = v2;
        v10 = v6;
        if ( (unsigned __int8)v8 >= 0x81u && (unsigned __int8)v8 <= 0x9Fu
          || (unsigned __int8)v8 >= 0xE0u && (unsigned __int8)v8 <= 0xFCu )
        {
      */
      /*
      .text:004BCB70                 mov     cl, [eax]
   .text:004BCB72                 cmp     cl, 80h ; '€'
   .text:004BCB75                 jz      loc_4BCC76
   .text:004BCB7B                 xor     esi, esi
   .text:004BCB7D                 mov     [ebp+var_20C], edi
   .text:004BCB83                 mov     [ebp+var_214], eax
   .text:004BCB89                 mov     ebx, edx
   .text:004BCB8B                 test    edi, edi
   .text:004BCB8D                 jz      short loc_4BCBE3
   .text:004BCB8F                 cmp     cl, 81h
   .text:004BCB92                 jb      short loc_4BCB99
   .text:004BCB94                 cmp     cl, 9Fh
   .text:004BCB97                 jbe     short loc_4BCBA3
   .text:004BCB99
   .text:004BCB99 loc_4BCB99:                             ; CODE XREF: sub_4BCB20+72↑j
   .text:004BCB99                 cmp     cl, 0E0h
   .text:004BCB9C                 jb      short loc_4BCBC3
   .text:004BCB9E                 cmp     cl, 0FCh
   .text:004BCBA1                 ja      short loc_4BCBC3
      */
      //clang-format off
      0x8a, 0x08,
      0x80, 0xf9, 0x80,
      0x0f, 0x84, XX4,
      0x33, 0xf6,
      0x89, XX, XX4,
      0x89, XX, XX4,
      0x8b, 0xda,
      0x85, 0xff,
      0x74, XX,
      0x80, 0xf9, 0x81,
      0x72, XX,
      0x80, 0xf9, 0x9f,
      0x76, XX,
      0x80, 0xf9, 0xe0,
      0x72, XX,
      0x80, 0xf9, 0xfc,
      0x77, XX,
      //clang-format on
  };

  ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
  ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
  if (!addr)
    return false;
  addr = findfuncstart(addr, 0x100, true);
  if (!addr)
    return false;
  HookParam hp;
  hp.address = addr;
  hp.offset = get_stack(1);
  hp.type = USING_STRING;
  return NewHook(hp, "AksysGames");
}