LunaHook-mirror/LunaHook/engine32/godot.cpp

#include"godot.h"
 
bool queryversion(WORD *_1, WORD *_2, WORD *_3, WORD *_4)
{
    wchar_t fileName[MAX_PATH];
    GetModuleFileNameW(NULL, fileName, MAX_PATH);
    DWORD dwHandle;
    DWORD dwSize = GetFileVersionInfoSizeW(fileName, &dwHandle);
    if (dwSize == 0)
    {
        return false;
    }

    std::vector<char> versionInfoBuffer(dwSize);
    if (!GetFileVersionInfoW(fileName, dwHandle, dwSize, versionInfoBuffer.data()))
    {
        return false;
    }

    VS_FIXEDFILEINFO *pFileInfo;
    UINT fileInfoSize;
    if (!VerQueryValueW(versionInfoBuffer.data(), L"\\", reinterpret_cast<LPVOID *>(&pFileInfo), &fileInfoSize))
    {
        return false;
    }

    DWORD ms = pFileInfo->dwFileVersionMS;
    DWORD ls = pFileInfo->dwFileVersionLS;

    WORD majorVersion = HIWORD(ms);
    WORD minorVersion = LOWORD(ms);
    WORD buildNumber = HIWORD(ls);
    WORD revisionNumber = LOWORD(ls);
    *_1 = majorVersion;
    *_2 = minorVersion;
    *_3 = buildNumber;
    *_4 = revisionNumber;
    return true;
}
namespace{
bool godot35(){
  //https://store.steampowered.com/app/1713610/__Purrgatory/
  //喵的炼狱 / Purrgatory
  /*
  int __userpurge sub_C49270@<eax>(
        int a1@<ecx>,
        int a2,
        int a3,
        float *a4,
        int *a5,
        int a6,
        int a7,
        int a8,
        int *a9,
        float *a10,
        float *a11,
        char a12,
        float *a13,
        int *a14,
        int *a15,
        int *a16,
        _BYTE *a17,
        int a18)
 */
/*
特征
  v90 = *v81;
          if ( (unsigned __int16)(v90 - 11784) > 0x71F7u
            && (unsigned __int16)(v90 + 21504) > 0x2BFFu
            && (unsigned __int16)(v90 + 1792) > 0x1FFu
            && (unsigned __int16)(v90 + 464) > 0x1Fu
            && (unsigned __int16)(v90 + 155) > 0x77u )

            
            */
           /*
           const CharType current = c[end];
						const bool separatable = (current >= 0x2E08 && current <= 0x9FFF) || // CJK scripts and symbols.
								(current >= 0xAC00 && current <= 0xD7FF) || // Hangul Syllables and Hangul Jamo Extended-B.
								(current >= 0xF900 && current <= 0xFAFF) || // CJK Compatibility Ideographs.
								(current >= 0xFE30 && current <= 0xFE4F) || // CJK Compatibility Forms.
								(current >= 0xFF65 && current <= 0xFF9F) || // Halfwidth forms of katakana
								(current >= 0xFFA0 && current <= 0xFFDC) || // Halfwidth forms of compatibility jamo characters for Hangul
								(current >= 0x20000 && current <= 0x2FA1F) || // CJK Unified Ideographs Extension B ~ F and CJK Compatibility Ideographs Supplement.
								(current >= 0x30000 && current <= 0x3134F); // CJK Unified Ideographs Extension G.
           */
  /*
  这个函数是scene/gui/rich_text_label.cpp
  int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &y, int p_width, int p_line, ProcessMode p_mode, const Ref<Font> &p_base_font, const Color &p_base_color, const Color &p_font_color_shadow, bool p_shadow_as_outline, const Point2 &shadow_ofs, const Point2i &p_click_pos, Item **r_click_item, int *r_click_char, bool *r_outside, int p_char_count)
  */
 BYTE sig[]={
  /*
  .text:017FA34C                 movzx   eax, word ptr [esi]
.text:017FA34F                 lea     edx, [eax-2E08h]
.text:017FA355                 cmp     dx, 71F7h
.text:017FA35A                 lea     edx, [eax+5400h]
.text:017FA360                 setbe   cl
.text:017FA363                 cmp     dx, 2BFFh
.text:017FA368                 setbe   dl
.text:017FA36B                 or      dl, cl
.text:017FA36D                 jz      loc_17FA230
  */
 0x0f,0xb7,0x06,
  0x8D,0x90,0xF8,0xD1,0xFF,0xFF,
  0x66,0x81,0xFA,0xF7,0x71,
  0x8D,0x90,0x00,0x54,0x00,0x00,
  0x0F,0x96,0xC1,
  0x66,0x81,0xFA,0xFF,0x2B,
  0x0F,0x96,0xc2,0x08,0xca,
  0x0f,0x84,
 };
 auto addr=MemDbg::findBytes(sig,sizeof(sig),processStartAddress,processStopAddress);
 if(!addr)return false;
 BYTE sig2[]={
  // shl     esi, 6
  0xC1,0xE6,0x06
 };
 addr=reverseFindBytes(sig2,sizeof(sig2),addr-0x1800,addr);
 if(!addr)return false;
 BYTE sig3[]={0x01,0xF0};//add     eax, esi
  addr=MemDbg::findBytes(sig3,sizeof(sig3),addr,addr+0x40);
  
 if(!addr)return false;

 HookParam hp;
  hp.address = addr+sizeof(sig3);
  
  hp.type = USING_STRING|CODEC_UTF16;
  hp.text_fun=[](hook_stack* stack, HookParam* hp, uintptr_t* data, uintptr_t* split, size_t* len){
    /*
    Line &l = p_frame->lines.write[p_line];
	Item *it = l.from;
  */
   /* 
   while (it) {
		switch (it->type) {
			case ITEM_ALIGN: {
				ItemAlign *align_it = static_cast<ItemAlign *>(it);

				align = align_it->align;

			} break;
			case ITEM_INDENT: {
				if (it != l.from) {
					ItemIndent *indent_it = static_cast<ItemIndent *>(it);

					float indent = indent_it->level * tab_size * cfont->get_char_size(' ').width;
					margin += indent;
					begin += indent;
					wofs += indent;
				}

			} break;
			case ITEM_TEXT: {
				ItemText *text = static_cast<ItemText *>(it);

				Ref<Font> font = _find_font(it);
				if (font.is_null()) {
					font = p_base_font;
				}

				const CharType *c = text->text.c_str();
				const CharType *cf = c;
        */
/*
struct ItemText : public Item {
		String text;
		ItemText() { type = ITEM_TEXT; }
	};
*/
       /*
       const CharType *String::c_str() const {
	static const CharType zero = 0;

	return size() ? &operator[](0) : &zero;
}
       */


      //Line &l = p_frame->lines.write[p_line];
	  //Item *it = l.from;

      //auto v471 = (int *)((a7 << 6) + *(DWORD *)(a3 + 40));
      
      if(stack->retaddr!=1)return;//不懂为什么这个是1，按理说返回地址应该一样才对。不管了无所谓
      auto v471= (DWORD*)stack->eax;
      auto v481 = *v471;
      auto ptr=*(WCHAR**)(v481 + 28);
      *data=(DWORD)ptr;
      *len=wcslen((wchar_t*)ptr)*2;
  };
  
    return NewHook(hp, "godot35");
}
}
bool godot::attach_function() {
  WORD _1,_2,_3,_4;
  queryversion(&_1,&_2,&_3,&_4);
  ConsoleOutput("%d %d %d %d",_1,_2,_3,_4);
  if(_1==3&&_2==5){
    return godot35();
  }
  return false;
}