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catshy
How do I cheat?
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Joined: 01 Feb 2019
Posts: 9
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 Posted: Mon Jul 01, 2019 10:18 am Post subject: Execute C function in Lua |
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Hello, I have a function in C:
| Code: | #define CALL_6(return_type, call_type, address, a1, a2, a3, a4, a5, a6) ((return_type(call_type *)(int, int, int, int, int, int))(address))((int)(a1), (int)(a2), (int)(a3), (int)(a4), (int)(a5), (int)(a6))
void SaveGame(char* save_name) { CALL_6(void, __thiscall, 0x4BEB60, *(int*)0x699538, save_name, 1, 1, 1, 0); } |
how to execute this code in LUA/CE?
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Dark Byte
Site Admin
 Reputation: 470
Joined: 09 May 2003
Posts: 25804
Location: The netherlands
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| Posted: Mon Jul 01, 2019 12:43 pm Post subject: |
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Normally I'd say:
| Code: |
function SaveGame(save_name)
executeCodeEx(0,nil,0x4beb60,{type=0,value=0x688538},{type=3,value=save_name},{type=0,value=1},{type=0,value=1},{type=0,value=1},{type=0,value=0})
end
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but there's a bug with more than 4 parameters, so you have to wait till next version
(and there you can do:
| Code: |
function SaveGame(save_name)
executeCodeEx(0,nil,0x4beb60,0x688538, save_name, 1, 1, 1,0)
end
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)
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catshy
How do I cheat?
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Joined: 01 Feb 2019
Posts: 9
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| Posted: Mon Jul 01, 2019 2:04 pm Post subject: |
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Thanks for answer Dark Byte.
So I have two question now.
1. Do u know when u done new version of CE?
2. If is not time-consuming can u write this function in ASM (maybe then it will work)
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Dark Byte
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Reputation: 470
Joined: 09 May 2003
Posts: 25804
Location: The netherlands
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| Posted: Mon Jul 01, 2019 3:21 pm Post subject: |
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is the target 64 or 32 bit ?
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catshy
How do I cheat?
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Joined: 01 Feb 2019
Posts: 9
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| Posted: Mon Jul 01, 2019 3:41 pm Post subject: |
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| 64 bit
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Dark Byte
Site Admin
Reputation: 470
Joined: 09 May 2003
Posts: 25804
Location: The netherlands
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| Posted: Mon Jul 01, 2019 4:32 pm Post subject: |
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something like this
| Code: |
save_name:
db 'save_name text',0
...
sub rsp,#56 //or sub rsp,#48 if already aligned
mov rcx,699538
//mov [rsp],rcx
mov rdx,save_name
//mov [rsp+8],rdx
mov r8,1
//mov [rsp+10],r8
mov r9,1
//mov [rsp+18],r9
mov [rsp+20],1
mov [rsp+28],0
call 4BEB60
add rsp,#56 //or 48 (see sub rsp)
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catshy
How do I cheat?
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Joined: 01 Feb 2019
Posts: 9
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| Posted: Tue Jul 02, 2019 1:27 am Post subject: |
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Thanks for your code. Im trying to use it, but I have this (attachment).
Can u help me to fix it?
| Description: |
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| Filesize: |
23.22 KB |
| Viewed: |
4260 Time(s) |
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Dark Byte
Site Admin
Reputation: 470
Joined: 09 May 2003
Posts: 25804
Location: The netherlands
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| Posted: Tue Jul 02, 2019 5:15 am Post subject: |
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have you targeted a 64 bit process?
also you havn't allocated or designated an address to write to
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