LunaHook-mirror/LunaHook/engine32/Retouch.cpp

#include"Retouch.h"

// jichi 6/21/2015
namespace { // unnamed

void SpecialHookRetouch1(hook_stack* stack,  HookParam *, uintptr_t *data, uintptr_t *split, size_t*len)
{
  DWORD text = stack->stack[1];
  *data = text;
  *len = ::strlen((LPCSTR)text);
  *split =
    stack->eax == 0 ? FIXED_SPLIT_VALUE * 2 : // name
    stack->ebx == 0 ? FIXED_SPLIT_VALUE * 1 : // scenario
                               FIXED_SPLIT_VALUE * 3 ; // other
}

bool InsertRetouch1Hook()
{
  HMODULE hModule = ::GetModuleHandleA("resident.dll");
  if (!hModule) {
    ConsoleOutput("Retouch: failed, dll handle not loaded");
    return false;
  }
  // private: bool __thiscall RetouchPrintManager::printSub(char const *,class UxPrintData &,unsigned long)	0x10050650	0x00050650	2904 (0xb58)	resident.dll	C:\Local\箱庭ロジヂ<E382B8>\resident.dll	Exported Function
  const char *sig = "?printSub@RetouchPrintManager@@AAE_NPBDAAVUxPrintData@@K@Z";
  DWORD addr = (DWORD)::GetProcAddress(hModule, sig);
  if (!addr) {
    ConsoleOutput("Retouch: failed, procedure not found");
    return false;
  }

  HookParam hp;
  hp.address = addr;
  hp.offset=get_stack(1);
  hp.type = USING_STRING|NO_CONTEXT|EMBED_ABLE|EMBED_AFTER_NEW|EMBED_BEFORE_SIMPLE|EMBED_DYNA_SJIS;
  hp.hook_font=F_GetGlyphOutlineA;
  hp.text_fun = SpecialHookRetouch1;
  ConsoleOutput("INSERT Retouch");
  return NewHook(hp, "Retouch");
}

bool InsertRetouch2Hook()
{
  HMODULE hModule = ::GetModuleHandleA("resident.dll");
  if (!hModule) {
    ConsoleOutput("Retouch2: failed, dll handle not loaded");
    return false;
  }
  // private: void __thiscall RetouchPrintManager::printSub(char const *,unsigned long,int &,int &)	0x10046560	0x00046560	2902 (0xb56)	resident.dll	C:\Local\箱庭ロジヂ<E382B8>\resident.dll	Exported Function
  const char *sig = "?printSub@RetouchPrintManager@@AAEXPBDKAAH1@Z";
  DWORD addr = (DWORD)::GetProcAddress(hModule, sig);
  if (!addr) {
    ConsoleOutput("Retouch2: failed, procedure not found");
    return false;
  }

  HookParam hp;
  hp.address = addr;
  hp.offset=get_stack(1);
  hp.offset=get_stack(1);
  hp.type = USING_STRING|NO_CONTEXT|EMBED_ABLE|EMBED_AFTER_NEW|EMBED_BEFORE_SIMPLE|EMBED_DYNA_SJIS;
  hp.hook_font=F_GetGlyphOutlineA;
  ConsoleOutput("INSERT Retouch");
  return NewHook(hp, "Retouch");
}

namespace HistoryHook {
inline ULONG get_jmp_absaddr(ULONG inst)
{ return inst + 5 + *(ULONG *)(inst + 1); }
bool attach() // attach scenario
{ 
  if(GetModuleHandle(L"resident.dll")==0)return false;
  auto [startAddress, stopAddress] = Util::QueryModuleLimits(GetModuleHandle(L"resident.dll"));
  const uint8_t bytes[] = {
    0x8b,0x44,0x24, 0x04, // 051cf2e0   8b4424 04        mov eax,dword ptr ss:[esp+0x4]
    0x6a, 0x02,           // 051cf2e4   6a 02            push 0x2
    0x6a, 0x00,           // 051cf2e6   6a 00            push 0x0
    0x6a, 0x00,           // 051cf2e8   6a 00            push 0x0
    0x6a, 0x00,           // 051cf2ea   6a 00            push 0x0
    0x50,                 // 051cf2ec   50               push eax
    0xe8  //9ef8ffff      // 051cf2ed   e8 9ef8ffff      call _1locke2.051ceb90
                          // 051cf2f2   c2 0400          retn 0x4
  };
  auto addr = MemDbg::findBytes(bytes, sizeof(bytes), startAddress, stopAddress);
  if (!addr)
    return false;
  addr += sizeof(bytes) - 1; // move to the short call instruction
  addr = get_jmp_absaddr(addr);
  HookParam hp;
  hp.address = addr;
  hp.offset=get_stack(1); 
  hp.type = USING_STRING|NO_CONTEXT|EMBED_ABLE|EMBED_AFTER_NEW|EMBED_BEFORE_SIMPLE|EMBED_DYNA_SJIS;
  hp.hook_font=F_GetGlyphOutlineA;
  return NewHook(hp, "RetouchHistory");
}

} // namespace HistoryHook
} // unnamed namespace
bool InsertRetouchHook()
{
  bool ok = InsertRetouch1Hook();
  ok = InsertRetouch2Hook() || ok;
  ok=HistoryHook::attach()||ok;
  return ok;
}
bool Retouch::attach_function() {
    
    return InsertRetouchHook();
}