sm decompiler plugins/target.smx Or with output path:
public void OnClientPutInServer(int client)
char name[32]; GetClientName(client, name, sizeof(name)); PrintToChatAll("%s joined the server!", name); smx decompiler
: The decompiled code may compile and run identically, but it will be ugly, hard to maintain, and difficult to understand . 7. Example: Before and After Decompilation Original source ( hello.sp ): #include <sourcemod> public void OnPluginStart()
If you're a plugin author, keep your .sp files backed up (Git!). If you're a server owner, treat decompilation as a last resort. Last updated: 2025 – Tools and SourceMod versions may change, but the core principles remain. sm decompiler plugins/target
python smx_decompiler.py plugin.smx > output.sp These are less common and may be outdated. Check GitHub for recent forks. You will never get perfect original source code. Here's why:
| Limitation | Explanation | |------------|-------------| | | Unless debug symbols present, you get var1 , var2 ... | | No comments | Comments are stripped during compilation. | | Macros / defines | Preprocessor directives like #define are gone. | | Structures/enums | Recovered as raw numbers or arrays, not named constants. | | Optimized code | Compiler may reorder instructions, invert conditions, unroll loops. | | Switch statements | Often become if-else chains or jump tables. | | String literals | Retained, but embedded formatting may be mangled. | | Function inlining | Small functions may disappear into calling code. | | Native calls | Show as Call_Function or native names, but parameters may be guessed wrong. | If you're a server owner, treat decompilation as
#include <sourcemod> public void OnPluginStart()
PrintToServer("Hello, world!");
public void OnClientPutInServer(int a)
char b[32]; GetClientName(a, b, 32); PrintToChatAll("%s joined the server!", b); return;