├── .gitignore
├── LICENSE
├── README.md
├── main.c
└── main.lua


/.gitignore:
--------------------------------------------------------------------------------
 1 | # Prerequisites
 2 | *.d
 3 | 
 4 | # Object files
 5 | *.o
 6 | *.ko
 7 | *.obj
 8 | *.elf
 9 | 
10 | # Linker output
11 | *.ilk
12 | *.map
13 | *.exp
14 | 
15 | # Precompiled Headers
16 | *.gch
17 | *.pch
18 | 
19 | # Libraries
20 | *.lib
21 | *.a
22 | *.la
23 | *.lo
24 | 
25 | # Shared objects (inc. Windows DLLs)
26 | *.dll
27 | *.so
28 | *.so.*
29 | *.dylib
30 | 
31 | # Executables
32 | *.exe
33 | *.out
34 | *.app
35 | *.i*86
36 | *.x86_64
37 | *.hex
38 | 
39 | # Debug files
40 | *.dSYM/
41 | *.su
42 | *.idb
43 | *.pdb
44 | 
45 | # Kernel Module Compile Results
46 | *.mod*
47 | *.cmd
48 | .tmp_versions/
49 | modules.order
50 | Module.symvers
51 | Mkfile.old
52 | dkms.conf
53 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2021 Python1320
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


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/README.md:
--------------------------------------------------------------------------------
1 | # valvecmd
2 | Execute commands on Source Engine textmode windows (and otherwise).
3 | 
4 | Uses Valve-provided interfaces meant for hammer interop. Should therefore be fully VAC-compatible.
5 | 
6 | ![bQqmAuQ 1](https://user-images.githubusercontent.com/207340/125543878-5b40c556-6816-4091-b45c-dab7377c43cb.png)
7 | 


--------------------------------------------------------------------------------
/main.c:
--------------------------------------------------------------------------------
 1 | 
 2 | #include <windows.h>
 3 | #include <string.h>
 4 | #include <stdio.h>
 5 | 
 6 | int main(int argc, char *argv[]) {
 7 | 	if (argc<2) {
 8 | 		fprintf( stderr, "Usage: %s \"say hello world\"",argv[0]);
 9 | 		return 3;
10 | 	}
11 | 	HWND wnd = FindWindow("Valve001", NULL);
12 | 	if (wnd) {
13 | 		LPCTSTR cmd = argv[1];
14 | 		COPYDATASTRUCT cds;
15 | 		cds.dwData = 0;
16 | 		cds.cbData = (strlen(cmd) + 1);
17 | 		cds.lpData = (void*)cmd;
18 | 		return SendMessageA(wnd, WM_COPYDATA, (WPARAM)wnd, (LPARAM)(LPVOID)&cds)!=1;
19 | 	}
20 | 	return 2;
21 | }
22 | 


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/main.lua:
--------------------------------------------------------------------------------
 1 | local ffi = require("ffi")
 2 | require("win32.sdkddkver")
 3 | require("win32.errhandlingapi")
 4 | require("win32.wingdi")
 5 | require("win32.winuser")
 6 | require("win32.winerror")
 7 | local C = ffi.C
 8 | local user32 = ffi.load"user32"
 9 | ffi.cdef("size_t strlen(const char *);")
10 | 
11 | function SendValve001Command(msg)
12 | 	local Valve001 = user32.FindWindowA("Valve001", nil)
13 | 	local Valve001Num = tonumber(ffi.cast("intptr_t", Valve001))
14 | 	if Valve001Num == 0 then return nil, 'Valve001 not found' end
15 | 
16 | 	local copyData = ffi.new("COPYDATASTRUCT[1]", {
17 | 		{
18 | 			dwData = 0x0,
19 | 			cbData = C.strlen(msg) + 1,
20 | 			lpData = ffi.cast("void*", msg)
21 | 		}
22 | 	})
23 | 
24 | 	local ok = user32.SendMessageA(Valve001, C.WM_COPYDATA, ffi.cast("WPARAM", Valve001), ffi.cast("LPARAM", ffi.cast("LPVOID", copyData)))
25 | 	if ok == 1 then return true end
26 | 
27 | 	return nil, ok == 0 and "sendmessage failed" or ok
28 | end
29 | 
30 | local cmd = ...
31 | 
32 | return SendValve001Command(cmd)
33 | 


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