LunaHook-mirror/LunaHook/engine32/AIL2.cpp

#include"AIL2.h"
bool InsertAIL2Hook() {
  auto findalign = [](uintptr_t addr1) {
    const BYTE pattern[] = { 0x90,0x90,0x83,0xec };
    return reverseFindBytes(pattern, sizeof(pattern), processStartAddress, addr1) + 2;
  };
  bool succ=false;
  BYTE bytes1[] = {
    //				.text:0042E5DF 3C 66                         cmp     al, 66h; 'f'
    //.text:0042E5E1 74 57                         jz      short loc_42E63A
    //.text : 0042E5E1
    //.text : 0042E5E3 3C 70                         cmp     al, 70h; 'p'
    //.text:0042E5E5 74 4C                         jz      short loc_42E633
    //.text : 0042E5E5
    //.text : 0042E5E7 3C 73                         cmp     al, 73h; 's'
    //.text:0042E5E9 74 37                         jz      short loc_42E622
            0x3c,0x66,
            0x74,XX,
            0x3c,0x70,
            0x74,XX,
            0x3c,0x73,
            0x74,XX
  };
  auto addr1 = MemDbg::findBytes(bytes1, sizeof(bytes1), processStartAddress, processStopAddress);
  if (addr1 == 0) return false; 
  addr1 = findalign(addr1);
  if (addr1 == 0) return false;
  ConsoleOutput("AIL1 %p", addr1);
  HookParam hp;
  hp.address = addr1;
  hp.codepage = 932;
  hp.offset=get_stack(3);
  hp.type = USING_STRING;
  succ|=NewHook(hp, "AIL1");
    
  BYTE bytes[] = { //if ( v12 != 32 && v12 != 33088 )
    0x3d,0x40,0x81,0x00,0x00,0x0f
  };
  
  addr1 = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
  if (addr1 == 0) return succ;
  addr1 = MemDbg::findEnclosingAlignedFunction(addr1);
  if (addr1 == 0) return succ;
  hp = {};
  hp.address = addr1;
  hp.codepage = 932;
  hp.offset=get_stack(4);
  hp.type = USING_STRING | USING_SPLIT;
  hp.split_index = 0;
  succ|=NewHook(hp, "AIL2");
  
  return succ;
}
bool AIL2::attach_function() {
    //アイル

    return InsertAIL2Hook();
}