mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-12-25 20:54:15 +08:00
450 lines
17 KiB
C++
450 lines
17 KiB
C++
#include"Silkys.h"
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#include"util/textunion.h"
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/** jichi: 6/17/2015
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* Sample games
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* - 堕ちてぁ<E381A6>新妻 trial
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* - 根雪の幻影 trial
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*
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* This function is found by backtracking GetGlyphOutlineA.
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* There are two GetGlyphOutlineA, which are in the same function.
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* That function are called by two other functions.
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* The second function is hooked.
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*
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* 堕ちてぁ<E381A6>新妻
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* baseaddr = 08e0000
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*
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* 0096652E CC INT3
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* 0096652F CC INT3
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* 00966530 55 PUSH EBP
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* 00966531 8BEC MOV EBP,ESP
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* 00966533 83EC 18 SUB ESP,0x18
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* 00966536 A1 00109F00 MOV EAX,DWORD PTR DS:[0x9F1000]
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* 0096653B 33C5 XOR EAX,EBP
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* 0096653D 8945 FC MOV DWORD PTR SS:[EBP-0x4],EAX
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* 00966540 53 PUSH EBX
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* 00966541 8B5D 0C MOV EBX,DWORD PTR SS:[EBP+0xC]
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* 00966544 56 PUSH ESI
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* 00966545 8B75 08 MOV ESI,DWORD PTR SS:[EBP+0x8]
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* 00966548 57 PUSH EDI
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* 00966549 6A 00 PUSH 0x0
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* 0096654B 894D EC MOV DWORD PTR SS:[EBP-0x14],ECX
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* 0096654E 8B0D FCB7A200 MOV ECX,DWORD PTR DS:[0xA2B7FC]
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* 00966554 68 90D29D00 PUSH .009DD290 ; ASCII "/Config/SceneSkip"
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* 00966559 895D F0 MOV DWORD PTR SS:[EBP-0x10],EBX
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* 0096655C E8 2F4A0100 CALL .0097AF90
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* 00966561 83F8 01 CMP EAX,0x1
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* 00966564 0F84 E0010000 JE .0096674A
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* 0096656A 8B55 EC MOV EDX,DWORD PTR SS:[EBP-0x14]
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* 0096656D 85DB TEST EBX,EBX
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* 0096656F 75 09 JNZ SHORT .0096657A
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* 00966571 8B42 04 MOV EAX,DWORD PTR DS:[EDX+0x4]
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* 00966574 8B40 38 MOV EAX,DWORD PTR DS:[EAX+0x38]
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* 00966577 8945 F0 MOV DWORD PTR SS:[EBP-0x10],EAX
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* 0096657A 33C0 XOR EAX,EAX
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* 0096657C C645 F8 00 MOV BYTE PTR SS:[EBP-0x8],0x0
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* 00966580 33C9 XOR ECX,ECX
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* 00966582 66:8945 F9 MOV WORD PTR SS:[EBP-0x7],AX
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* 00966586 3946 14 CMP DWORD PTR DS:[ESI+0x14],EAX
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* 00966589 0F86 BB010000 JBE .0096674A
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*
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* Scenario stack:
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*
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* 002FF9DC 00955659 RETURN to .00955659 from .00966530
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* 002FF9E0 002FFA10 ; jichi: text in [arg1+4]
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* 002FF9E4 00000000 ; arg2 is zero
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* 002FF9E8 00000001
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* 002FF9EC 784B8FC7
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*
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* Name stack:
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*
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* 002FF59C 00930A76 RETURN to .00930A76 from .00966530
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* 002FF5A0 002FF5D0 ; jichi: text in [arg1+4]
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* 002FF5A4 004DDEC0 ; arg2 is a pointer
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* 002FF5A8 00000001
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* 002FF5AC 784B8387
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* 002FF5B0 00000182
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* 002FF5B4 00000000
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*
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* Scenario and Name are called by different callers.
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*
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* 根雪の幻影
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*
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* 00A1A00E CC INT3
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* 00A1A00F CC INT3
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* 00A1A010 55 PUSH EBP
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* 00A1A011 8BEC MOV EBP,ESP
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* 00A1A013 83EC 18 SUB ESP,0x18
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* 00A1A016 A1 0050AA00 MOV EAX,DWORD PTR DS:[0xAA5000]
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* 00A1A01B 33C5 XOR EAX,EBP
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* 00A1A01D 8945 FC MOV DWORD PTR SS:[EBP-0x4],EAX
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* 00A1A020 53 PUSH EBX
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* 00A1A021 56 PUSH ESI
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* 00A1A022 8B75 0C MOV ESI,DWORD PTR SS:[EBP+0xC]
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* 00A1A025 57 PUSH EDI
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* 00A1A026 8B7D 08 MOV EDI,DWORD PTR SS:[EBP+0x8]
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* 00A1A029 6A 00 PUSH 0x0
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* 00A1A02B 894D F0 MOV DWORD PTR SS:[EBP-0x10],ECX
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* 00A1A02E 8B0D C434AE00 MOV ECX,DWORD PTR DS:[0xAE34C4]
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* 00A1A034 68 F816A900 PUSH .00A916F8 ; ASCII "/Config/SceneSkip"
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* 00A1A039 8975 EC MOV DWORD PTR SS:[EBP-0x14],ESI
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* 00A1A03C E8 7F510100 CALL .00A2F1C0
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* 00A1A041 83F8 01 CMP EAX,0x1
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* 00A1A044 0F84 3A010000 JE .00A1A184
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* 00A1A04A 8B4D F0 MOV ECX,DWORD PTR SS:[EBP-0x10]
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* 00A1A04D 85F6 TEST ESI,ESI
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* 00A1A04F 75 09 JNZ SHORT .00A1A05A
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* 00A1A051 8B41 04 MOV EAX,DWORD PTR DS:[ECX+0x4]
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* 00A1A054 8B40 38 MOV EAX,DWORD PTR DS:[EAX+0x38]
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* 00A1A057 8945 EC MOV DWORD PTR SS:[EBP-0x14],EAX
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* 00A1A05A 33C0 XOR EAX,EAX
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* 00A1A05C C645 F8 00 MOV BYTE PTR SS:[EBP-0x8],0x0
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* 00A1A060 33DB XOR EBX,EBX
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* 00A1A062 66:8945 F9 MOV WORD PTR SS:[EBP-0x7],AX
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* 00A1A066 3947 14 CMP DWORD PTR DS:[EDI+0x14],EAX
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* 00A1A069 0F86 15010000 JBE .00A1A184
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* 00A1A06F 90 NOP
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* 00A1A070 837F 18 10 CMP DWORD PTR DS:[EDI+0x18],0x10
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* 00A1A074 72 05 JB SHORT .00A1A07B
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* 00A1A076 8B47 04 MOV EAX,DWORD PTR DS:[EDI+0x4]
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* 00A1A079 EB 03 JMP SHORT .00A1A07E
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* 00A1A07B 8D47 04 LEA EAX,DWORD PTR DS:[EDI+0x4]
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* 00A1A07E 803C18 00 CMP BYTE PTR DS:[EAX+EBX],0x0
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* 00A1A082 0F84 FC000000 JE .00A1A184
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* 00A1A088 837F 18 10 CMP DWORD PTR DS:[EDI+0x18],0x10
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* 00A1A08C 72 05 JB SHORT .00A1A093
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* 00A1A08E 8B47 04 MOV EAX,DWORD PTR DS:[EDI+0x4]
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* 00A1A091 EB 03 JMP SHORT .00A1A096
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* 00A1A093 8D47 04 LEA EAX,DWORD PTR DS:[EDI+0x4]
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* 00A1A096 8A0418 MOV AL,BYTE PTR DS:[EAX+EBX]
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* 00A1A099 3C 81 CMP AL,0x81
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* 00A1A09B 72 04 JB SHORT .00A1A0A1
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* 00A1A09D 3C 9F CMP AL,0x9F
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* 00A1A09F 76 06 JBE SHORT .00A1A0A7
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* 00A1A0A1 04 20 ADD AL,0x20
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* 00A1A0A3 3C 0F CMP AL,0xF
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* 00A1A0A5 77 40 JA SHORT .00A1A0E7
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* 00A1A0A7 837F 18 10 CMP DWORD PTR DS:[EDI+0x18],0x10
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* 00A1A0AB 72 05 JB SHORT .00A1A0B2
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* 00A1A0AD 8B47 04 MOV EAX,DWORD PTR DS:[EDI+0x4]
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* 00A1A0B0 EB 03 JMP SHORT .00A1A0B5
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* 00A1A0B2 8D47 04 LEA EAX,DWORD PTR DS:[EDI+0x4]
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* 00A1A0B5 837F 18 10 CMP DWORD PTR DS:[EDI+0x18],0x10
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* 00A1A0B9 8A0418 MOV AL,BYTE PTR DS:[EAX+EBX]
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* 00A1A0BC 8845 F8 MOV BYTE PTR SS:[EBP-0x8],AL
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* 00A1A0BF 72 13 JB SHORT .00A1A0D4
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* 00A1A0C1 8B47 04 MOV EAX,DWORD PTR DS:[EDI+0x4]
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* 00A1A0C4 C645 F7 02 MOV BYTE PTR SS:[EBP-0x9],0x2
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* 00A1A0C8 8A4418 01 MOV AL,BYTE PTR DS:[EAX+EBX+0x1]
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* 00A1A0CC 83C3 02 ADD EBX,0x2
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* 00A1A0CF 8845 F9 MOV BYTE PTR SS:[EBP-0x7],AL
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* 00A1A0D2 EB 30 JMP SHORT .00A1A104
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* 00A1A0D4 8D47 04 LEA EAX,DWORD PTR DS:[EDI+0x4]
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* 00A1A0D7 C645 F7 02 MOV BYTE PTR SS:[EBP-0x9],0x2
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* 00A1A0DB 8A4418 01 MOV AL,BYTE PTR DS:[EAX+EBX+0x1]
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* 00A1A0DF 83C3 02 ADD EBX,0x2
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* 00A1A0E2 8845 F9 MOV BYTE PTR SS:[EBP-0x7],AL
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* 00A1A0E5 EB 1D JMP SHORT .00A1A104
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* 00A1A0E7 837F 18 10 CMP DWORD PTR DS:[EDI+0x18],0x10
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* 00A1A0EB 72 05 JB SHORT .00A1A0F2
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* 00A1A0ED 8B47 04 MOV EAX,DWORD PTR DS:[EDI+0x4]
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* 00A1A0F0 EB 03 JMP SHORT .00A1A0F5
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* 00A1A0F2 8D47 04 LEA EAX,DWORD PTR DS:[EDI+0x4]
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* 00A1A0F5 8A0418 MOV AL,BYTE PTR DS:[EAX+EBX]
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* 00A1A0F8 43 INC EBX
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* 00A1A0F9 8845 F8 MOV BYTE PTR SS:[EBP-0x8],AL
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* 00A1A0FC C645 F9 00 MOV BYTE PTR SS:[EBP-0x7],0x0
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* 00A1A100 C645 F7 01 MOV BYTE PTR SS:[EBP-0x9],0x1
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* 00A1A104 807F 48 01 CMP BYTE PTR DS:[EDI+0x48],0x1
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* 00A1A108 75 21 JNZ SHORT .00A1A12B
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* 00A1A10A 8B49 08 MOV ECX,DWORD PTR DS:[ECX+0x8]
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* 00A1A10D 8D47 38 LEA EAX,DWORD PTR DS:[EDI+0x38]
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* 00A1A110 50 PUSH EAX
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* 00A1A111 FF77 28 PUSH DWORD PTR DS:[EDI+0x28]
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* 00A1A114 8B47 24 MOV EAX,DWORD PTR DS:[EDI+0x24]
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* 00A1A117 03C0 ADD EAX,EAX
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* 00A1A119 50 PUSH EAX
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* 00A1A11A 8D47 20 LEA EAX,DWORD PTR DS:[EDI+0x20]
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* 00A1A11D 50 PUSH EAX
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* 00A1A11E 8D47 1C LEA EAX,DWORD PTR DS:[EDI+0x1C]
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* 00A1A121 50 PUSH EAX
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* 00A1A122 8D45 F8 LEA EAX,DWORD PTR SS:[EBP-0x8]
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* 00A1A125 50 PUSH EAX
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* 00A1A126 E8 85220000 CALL .00A1C3B0
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* 00A1A12B FF77 34 PUSH DWORD PTR DS:[EDI+0x34]
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* 00A1A12E 8B4D EC MOV ECX,DWORD PTR SS:[EBP-0x14]
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* 00A1A131 8D45 F8 LEA EAX,DWORD PTR SS:[EBP-0x8]
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* 00A1A134 FF77 4C PUSH DWORD PTR DS:[EDI+0x4C]
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* 00A1A137 FF77 30 PUSH DWORD PTR DS:[EDI+0x30]
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* 00A1A13A FF77 2C PUSH DWORD PTR DS:[EDI+0x2C]
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* 00A1A13D FF77 20 PUSH DWORD PTR DS:[EDI+0x20]
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* 00A1A140 FF77 1C PUSH DWORD PTR DS:[EDI+0x1C]
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* 00A1A143 50 PUSH EAX
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* 00A1A144 E8 1733FFFF CALL .00A0D460
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* 00A1A149 0FBE45 F7 MOVSX EAX,BYTE PTR SS:[EBP-0x9]
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* 00A1A14D 0FAF47 24 IMUL EAX,DWORD PTR DS:[EDI+0x24]
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* 00A1A151 0147 1C ADD DWORD PTR DS:[EDI+0x1C],EAX
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* 00A1A154 807F 48 00 CMP BYTE PTR DS:[EDI+0x48],0x0
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* 00A1A158 8B47 1C MOV EAX,DWORD PTR DS:[EDI+0x1C]
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* 00A1A15B 75 1B JNZ SHORT .00A1A178
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* 00A1A15D 3947 40 CMP DWORD PTR DS:[EDI+0x40],EAX
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* 00A1A160 7F 16 JG SHORT .00A1A178
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* 00A1A162 8B47 38 MOV EAX,DWORD PTR DS:[EDI+0x38]
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* 00A1A165 8B4F 28 MOV ECX,DWORD PTR DS:[EDI+0x28]
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* 00A1A168 014F 20 ADD DWORD PTR DS:[EDI+0x20],ECX
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* 00A1A16B 8947 1C MOV DWORD PTR DS:[EDI+0x1C],EAX
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* 00A1A16E 8B47 20 MOV EAX,DWORD PTR DS:[EDI+0x20]
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* 00A1A171 03C1 ADD EAX,ECX
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* 00A1A173 3B47 44 CMP EAX,DWORD PTR DS:[EDI+0x44]
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* 00A1A176 7D 0C JGE SHORT .00A1A184
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* 00A1A178 8B4D F0 MOV ECX,DWORD PTR SS:[EBP-0x10]
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* 00A1A17B 3B5F 14 CMP EBX,DWORD PTR DS:[EDI+0x14]
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* 00A1A17E ^0F82 ECFEFFFF JB .00A1A070
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* 00A1A184 8B4D FC MOV ECX,DWORD PTR SS:[EBP-0x4]
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* 00A1A187 5F POP EDI
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* 00A1A188 5E POP ESI
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* 00A1A189 33CD XOR ECX,EBP
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* 00A1A18B 5B POP EBX
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* 00A1A18C E8 87600200 CALL .00A40218
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* 00A1A191 8BE5 MOV ESP,EBP
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* 00A1A193 5D POP EBP
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* 00A1A194 C2 0C00 RETN 0xC
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* 00A1A197 CC INT3
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* 00A1A198 CC INT3
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*/
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static void SpecialHookSilkys(hook_stack* stack, HookParam *, uintptr_t *data, uintptr_t *split, size_t*len)
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{
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//DWORD arg1 = *(DWORD *)(esp_base + 0x4);
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DWORD arg1 = stack->stack[1],
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arg2 = stack->stack[2];
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int size = *(DWORD *)(arg1 + 0x14);
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if (size <= 0)
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return;
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enum { ShortTextCapacity = 0x10 };
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DWORD text = 0;
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//if (arg2 == 0) {
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if (size >= ShortTextCapacity) {
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text = *(DWORD *)(arg1 + 4);
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if (text && ::IsBadReadPtr((LPCVOID)text, size)) // this might not be needed though
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text = 0;
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}
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if (!text) { // short text
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text = arg1 + 4;
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size = min(size, ShortTextCapacity);
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}
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*len = size;
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*data = text;
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*split = arg2 == 0 ? 1 : 2; // arg2 == 0 ? scenario : name
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}
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bool hookBefore(hook_stack*s,void* data1, size_t* len,uintptr_t*role)
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{
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auto arg = (TextUnionA *)(s->stack[0] + sizeof(DWORD)); // arg1
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if (!arg || !arg->isValid())
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return 0;
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// FIXME: I am not able to distinguish choice out
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* role =
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s->stack[1] ? Engine::NameRole : // arg2 != 0 for name
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//s->ebx > 0x0fffffff ? Engine::ChoiceRole : // edx is a pointer for choice
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Engine::ScenarioRole;
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std::string oldData(arg->getText(), arg->size);
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strcpy((char*)data1,oldData.c_str());*len=oldData.size();return 1;
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}
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TextUnionA *arg_,
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argValue_;
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void hookafter1(hook_stack*s,void* data1, size_t len){
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auto newData=std::string((char*)data1,len);
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auto arg = (TextUnionA *)(s->stack[0] + sizeof(DWORD)); // arg1
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arg_ = arg;
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argValue_ = *arg;
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static std::string data_;
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data_ = newData;
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arg->setText(data_);
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}
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bool hookAfter(hook_stack*s,void* data1, size_t* len,uintptr_t*role)
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{
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if (arg_) {
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*arg_ = argValue_;
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arg_ = nullptr;
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}
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return 0;
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}
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bool InsertSilkysHook()
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{
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const BYTE bytes[] = {
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0x66,0x89,0x45, 0xf9, // 00a1a062 66:8945 f9 mov word ptr ss:[ebp-0x7],ax
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0x39,0x47, 0x14 // 00a1a066 3947 14 cmp dword ptr ds:[edi+0x14],eax
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};
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ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
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if (!addr) {
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ConsoleOutput("Silkys: pattern not found");
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return false;
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}
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addr = MemDbg::findEnclosingAlignedFunction(addr);
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if (!addr) {
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ConsoleOutput("Silkys: function not found");
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return false;
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}
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HookParam hp;
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hp.address = addr;
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hp.text_fun = SpecialHookSilkys;
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hp.type = USING_STRING|NO_CONTEXT; // = 9
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ConsoleOutput("INSERT Silkys");
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auto succ=NewHook(hp, "SilkysPlus");
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auto fun = [](ULONG addr) -> bool {
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auto succ_=false;
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{
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HookParam hp;
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hp.address = addr;
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hp.type = USING_STRING|NO_CONTEXT|EMBED_ABLE|EMBED_DYNA_SJIS;
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hp.hook_before=hookBefore;
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hp.hook_after=hookafter1;
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hp.hook_font=F_GetGlyphOutlineA;
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succ_|=NewHook(hp,"EmbedSilkys");
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}
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{
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HookParam hp;
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hp.address = addr+5;
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hp.type = HOOK_EMPTY|EMBED_ABLE;
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hp.hook_before=hookAfter;
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succ_|=NewHook(hp,"EmbedSilkys");
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}
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return succ_; // replace all functions
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};
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succ|=MemDbg::iterNearCallAddress(fun, addr, processStartAddress, processStopAddress);
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return succ;
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}
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bool InsertSilkysHook2()
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{
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//[230825] [コンフィチュールソフト] ギャル×オタ ～織川きららはお世話したい～
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auto addr = MemDbg::findCallerAddressAfterInt3((DWORD)GetCharacterPlacementW, processStartAddress, processStopAddress);
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if(addr==0)return false;
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BYTE sig[]={
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0x8b,0x80,XX4,
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0xff,0xd0,
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0x8b,0xf0
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};
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addr=MemDbg::findBytes(sig,sizeof(sig),addr,addr+0x100);
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if(addr==0)return false;
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HookParam hp;
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hp.address = addr+8;
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hp.type = CODEC_UTF16|USING_STRING;
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hp.offset=get_reg(regs::eax);
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hp.filter_fun=[](void* data, size_t* len, HookParam* hp){
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static int idx=0;
|
||
idx+=1;
|
||
return (bool)(idx%2);
|
||
};
|
||
return NewHook(hp, "SilkysPlus2");
|
||
}
|
||
namespace{
|
||
bool _s(){
|
||
///https://vndb.org/r68491
|
||
//徒花異譚 / Adabana Odd Tales
|
||
BYTE sig[]={
|
||
0xBA,0x00,0x01,0x00,0x00,
|
||
0xC7,0x45,0x08,0x14,0x20,0x00,0x00,
|
||
0x8D,0x49,0x00
|
||
};
|
||
auto addr=MemDbg::findBytes(sig,sizeof(sig),processStartAddress, processStopAddress);
|
||
if(addr==0)return false;
|
||
addr = findfuncstart(addr);
|
||
if (!addr) return 0;
|
||
HookParam hp;
|
||
hp.address = addr;
|
||
hp.offset=get_stack(1);
|
||
hp.newlineseperator=L"\\n";
|
||
hp.type = USING_STRING|CODEC_UTF16|EMBED_ABLE|EMBED_BEFORE_SIMPLE|EMBED_AFTER_NEW;
|
||
return NewHook(hp,"EmbedSilkysX");
|
||
}
|
||
}
|
||
namespace{
|
||
bool Silkys2Filter(LPVOID data, size_t *size, HookParam *)
|
||
{
|
||
auto text = reinterpret_cast<LPWSTR>(data);
|
||
auto len = reinterpret_cast<size_t *>(size);
|
||
|
||
StringCharReplacer(text, len, L"\\i", 2, L'\'');
|
||
|
||
return true;
|
||
}
|
||
|
||
bool InsertSilkys2Hook()
|
||
{
|
||
//https://vndb.org/r89173
|
||
//同级生Remake
|
||
const BYTE bytes[] = {
|
||
// (unsigned __int16)v13 < 0x100u || (_WORD)v13 == 8212
|
||
0xC7,0x45,XX,0x00,0x01,0x00,0x00,
|
||
0xC7,0x45,XX,0x14,0x20,0x00,0x00
|
||
};
|
||
const BYTE bytes2[] = {
|
||
//v6 = (_WORD *)(*v8 + *(_DWORD *)(v7 + 4 * v27));
|
||
//hook v6
|
||
0x8b,0x4d,0xf4,
|
||
0x8b,0x3c,0x8f,
|
||
0x03,0x38
|
||
};
|
||
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
|
||
if (!addr) return false;
|
||
addr = reverseFindBytes(bytes2, sizeof(bytes2), addr-0x100, addr);
|
||
if (!addr) return false;
|
||
HookParam hp;
|
||
hp.address = addr + sizeof(bytes2);
|
||
hp.offset=get_reg(regs::edi);
|
||
hp.filter_fun = Silkys2Filter;
|
||
hp.type = CODEC_UTF16 | USING_STRING | NO_CONTEXT;
|
||
return NewHook(hp, "Silkys2");
|
||
}
|
||
}
|
||
namespace{
|
||
bool saiminset(){
|
||
//[230929][1237052][シルキーズSAKURA] 催眠奪女Set パッケージ版
|
||
auto addr1=finddllfunctioncall((DWORD)GetGlyphOutlineA,processStartAddress, processStopAddress);
|
||
if(addr1==0)return false;
|
||
auto func1=MemDbg::findEnclosingAlignedFunction(addr1);
|
||
if(func1==0)return false;
|
||
BYTE check[]={
|
||
0x80,0xf9,0x81,XX2,//cmp cl, 81h
|
||
0x80,0xf9,0x9f,XX2,// cmp cl, 9Fh
|
||
};
|
||
if(MemDbg::findBytes(check,sizeof(check),func1,addr1)==0)return false;
|
||
auto xrefs=findxref_reverse_checkcallop(func1,processStartAddress,processStopAddress,0xe8);
|
||
if(xrefs.size()==0)return false;
|
||
auto addr2=xrefs[0];
|
||
auto addr=MemDbg::findEnclosingAlignedFunction(addr2);
|
||
if(addr==0)return false;
|
||
HookParam hp;
|
||
hp.address = addr ;
|
||
hp.offset=get_stack(1);
|
||
hp.index=0;
|
||
hp.split=get_stack(6);
|
||
hp.type = USING_SPLIT|DATA_INDIRECT;
|
||
return NewHook(hp, "Silkys3");
|
||
}
|
||
}
|
||
bool Silkys::attach_function() {
|
||
auto b1=InsertSilkys2Hook();
|
||
return InsertSilkysHook()||InsertSilkysHook2()||_s()||b1||saiminset();
|
||
}
|
||
|
||
|
||
bool SilkysOld::attach_function(){
|
||
//愛姉妹・蕾…汚してください
|
||
auto addr=MemDbg::findCallerAddressAfterInt3((DWORD)TextOutA,processStartAddress,processStopAddress);
|
||
if(addr==0)return false;
|
||
HookParam hp;
|
||
hp.address = addr;
|
||
hp.offset=get_stack(3);
|
||
hp.type=DATA_INDIRECT;
|
||
return NewHook(hp, "SilkysOld");
|
||
} |