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恍兮惚兮
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@ -1,82 +1,137 @@
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#include"Circus1.h"
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/********************************************************************************************
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#include "Circus1.h"
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/********************************************************************************************
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CIRCUS hook:
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Game folder contains advdata folder. Used by CIRCUS games.
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Usually has font caching issues. But trace back from GetGlyphOutline gives a hook
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which generate repetition.
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If we study circus engine follow Freaka's video, we can easily discover that
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in the game main module there is a static buffer, which is filled by new text before
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it's drawing to screen. By setting a hardware breakpoint there we can locate the
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function filling the buffer. But we don't have to set hardware breakpoint to search
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the hook address if we know some characteristic instruction(cmp al,0x24) around there.
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Game folder contains advdata folder. Used by CIRCUS games.
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Usually has font caching issues. But trace back from GetGlyphOutline gives a hook
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which generate repetition.
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If we study circus engine follow Freaka's video, we can easily discover that
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in the game main module there is a static buffer, which is filled by new text before
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it's drawing to screen. By setting a hardware breakpoint there we can locate the
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function filling the buffer. But we don't have to set hardware breakpoint to search
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the hook address if we know some characteristic instruction(cmp al,0x24) around there.
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********************************************************************************************/
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bool InsertCircusHook1() // jichi 10/2/2013: Change return type to bool
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{
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for (DWORD i = processStartAddress + 0x1000; i < processStopAddress - 4; i++)
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if (*(WORD *)i == 0xa3c) //cmp al, 0xA; je
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for (DWORD j = i; j < i + 0x100; j++) {
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if (*(WORD *)i == 0xa3c) // cmp al, 0xA; je
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for (DWORD j = i; j < i + 0x100; j++)
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{
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BYTE c = *(BYTE *)j;
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if (c == 0xc3)
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break;
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if (c == 0xe8) {
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DWORD k = *(DWORD *)(j+1)+j+5;
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if (k > processStartAddress && k < processStopAddress) {
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if (c == 0xe8)
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{
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DWORD k = *(DWORD *)(j + 1) + j + 5;
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if (k > processStartAddress && k < processStopAddress)
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{
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HookParam hp;
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hp.address = k;
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hp.offset=get_stack(3);
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hp.split =get_reg(regs::esp);
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hp.type = DATA_INDIRECT|USING_SPLIT;
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hp.offset = get_stack(3);
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hp.split = get_reg(regs::esp);
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hp.type = DATA_INDIRECT | USING_SPLIT;
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ConsoleOutput("INSERT CIRCUS#1");
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//RegisterEngineType(ENGINE_CIRCUS);
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// RegisterEngineType(ENGINE_CIRCUS);
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return NewHook(hp, "Circus1");
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}
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}
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}
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//break;
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//ConsoleOutput("Unknown CIRCUS engine");
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// break;
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// ConsoleOutput("Unknown CIRCUS engine");
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ConsoleOutput("CIRCUS1: failed");
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return false;
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}
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namespace{
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//C.D.C.D.2～シーディーシーディー2～
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//https://vndb.org/v947
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namespace
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{
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// C.D.C.D.2～シーディーシーディー2～
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// https://vndb.org/v947
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bool circus12()
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{
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BYTE sig[]={
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0x3C,0x24,
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0x0F,0x85,XX4,
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0x8A,0x47,0x01,
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0x47,
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0x3C,0x6E,
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0x75,XX,
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0xA0,XX4,
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0xB9,XX4,
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0x84,0xC0,
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0x0F,0x84,XX4,
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0x88,0x06,
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0x8A,0x41,0x01,
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0x46,
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0x41,
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0x84,0xC0,
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0x75,XX,
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0xE9,XX4,
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0x3C,0x66,
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0x75,XX
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};
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auto addr=MemDbg::findBytes(sig,sizeof(sig),processStartAddress,processStopAddress);
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if(!addr)return false;
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addr=MemDbg::findEnclosingAlignedFunction(addr,0x40);
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if(!addr)return false;
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BYTE sig[] = {
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0x3C, 0x24,
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0x0F, 0x85, XX4,
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0x8A, 0x47, 0x01,
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0x47,
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0x3C, 0x6E,
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0x75, XX,
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0xA0, XX4,
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0xB9, XX4,
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0x84, 0xC0,
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0x0F, 0x84, XX4,
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0x88, 0x06,
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0x8A, 0x41, 0x01,
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0x46,
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0x41,
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0x84, 0xC0,
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0x75, XX,
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0xE9, XX4,
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0x3C, 0x66,
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0x75, XX};
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auto addr = MemDbg::findBytes(sig, sizeof(sig), processStartAddress, processStopAddress);
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if (!addr)
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return false;
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addr = MemDbg::findEnclosingAlignedFunction(addr, 0x40);
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if (!addr)
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return false;
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HookParam hp;
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hp.address =addr;
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hp.offset=get_stack(2);
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hp.type = USING_STRING|EMBED_ABLE|EMBED_AFTER_NEW|EMBED_DYNA_SJIS;
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hp.embed_hook_font=F_GetGlyphOutlineA;
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hp.address = addr;
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hp.offset = get_stack(2);
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hp.type = USING_STRING | EMBED_ABLE | EMBED_AFTER_NEW | EMBED_DYNA_SJIS;
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hp.embed_hook_font = F_GetGlyphOutlineA;
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return NewHook(hp, "Circus1");
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}
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}
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bool Circus1::attach_function() {
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return InsertCircusHook1()|circus12();
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}
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bool Circus1::attach_function()
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{
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return InsertCircusHook1() | circus12();
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}
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bool Circus_old::attach_function()
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{
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//[041213][CIRCUS]最終試験くじら
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auto call = finddllfunctioncall((DWORD)GetGlyphOutlineA, processStartAddress, processStopAddress);
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if (!call)
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return false;
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auto func = MemDbg::findEnclosingAlignedFunction(call);
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if (!func)
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return false;
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BYTE sig[] = {
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/*
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.text:0041D1CD cmp edi, 8140h
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.text:0041D1D3 jz loc_41D2D9
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.text:0041D1D9 cmp edi, 20h ; ' '
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.text:0041D1DC jz loc_41D2E1*/
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/*
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if ( v14 == 33088 )
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{
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gm.gmCellIncX = psizl.cx;
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goto LABEL_46;
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}
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if ( v14 == 32 )
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goto LABEL_46;
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if ( v43 == v14 )
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goto LABEL_44;
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sub_41DC00(0);
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v15 = pvBuffer;
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if ( GetGlyphOutlineA(hdc, v14, 6u, &gm, cjBuffer, pvBuffer, &mat2) != -1 )*/
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0x81, 0xFF, 0x40, 0x81, 0x00, 0x00,
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0x0F, 0x84, XX4,
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0x83, 0xFF, 0x20,
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0x0F, 0x84, XX4
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};
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if (!MemDbg::findBytes(sig, sizeof(sig), func, call))
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return false;
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auto refs = findxref_reverse_checkcallop(func, processStartAddress, processStopAddress, 0xe8);
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if (refs.size() == 3)
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{
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func = MemDbg::findEnclosingAlignedFunction(refs[0]);
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}
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HookParam hp;
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hp.address = func;
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hp.offset = get_stack(4);
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hp.split = get_stack(1);
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hp.type = USING_STRING | USING_SPLIT;
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return NewHook(hp, "Circus");
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}
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@ -1,11 +1,30 @@
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class Circus1:public ENGINE{
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public:
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Circus1(){
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check_by=CHECK_BY::FILE;
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check_by_target=L"AdvData\\DAT\\NAMES.DAT";
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class Circus1 : public ENGINE
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{
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public:
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Circus1()
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{
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check_by = CHECK_BY::FILE;
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check_by_target = L"AdvData\\DAT\\NAMES.DAT";
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};
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bool attach_function();
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bool attach_function();
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};
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class Circus_old : public ENGINE
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{
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public:
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Circus_old()
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{
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check_by = CHECK_BY::CUSTOM;
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check_by_target = []()
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{
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//[041213][CIRCUS]最終試験くじら
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auto _ = {L"Pack/Bg.pak", L"Pack/Bustup.pak", L"Pack/Cg.pak", L"Pack/Movie*.pak", L"Pack/Script.pak", L"Pack/Sound.pak", L"Pack/System.pak", L"Pack/Thumbnail.pak"};
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auto checkfile = std::all_of(_.begin(), _.end(), Util::CheckFile);
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return checkfile && Util::SearchResourceString(L"Circus");
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};
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};
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bool attach_function();
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};
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@ -216,6 +216,7 @@ std::vector<ENGINE *> check_engines()
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new Wolf,
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new Circus1,
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new Circus2,
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new Circus_old,
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new Cotopha,
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new Artemis,
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new CatSystem,
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