added ability to override natives (someone shoot me)

amxmodx/CModule.cpp

@@ -82,6 +82,12 @@ void CModule::clear(bool clearFilename)
 	m_InfoNew.reload = 0;
 	m_MissingFunc = NULL;
 
+	for (size_t i=0; i<m_DestroyableIndexes.size(); i++)
+	{
+		delete [] m_Natives[m_DestroyableIndexes[i]];
+	}
+
+	m_DestroyableIndexes.clear();
 	m_Natives.clear();
 }
 
@@ -105,6 +111,53 @@ bool CModule::attachMetamod(const char *mmfile, PLUG_LOADTIME now)
 	return true;
 }
 
+//this ugly function is ultimately something like O(n^4).
+//sigh.  it shouldn't be needed.
+void CModule::rewriteNativeLists(AMX_NATIVE_INFO *list)
+{
+	AMX_NATIVE_INFO *curlist;
+	for (size_t i=0; i<m_Natives.size(); i++)
+	{
+		curlist = m_Natives[i];
+		bool changed = false;
+		bool found = false;
+		CVector<size_t> newlist;
+		for (size_t j=0; curlist[j].func != NULL; j++)
+		{
+			found = false;
+			for (size_t k=0; list[k].func != NULL; k++)
+			{
+				if (strcmp(curlist[j].name, list[k].name) == 0)
+				{
+					found = true;
+					break;
+				}
+			}
+			if (found)
+			{
+				changed = true;
+				//don't break, we have to search it all
+			} else {
+				newlist.push_back(j);
+			}
+		}
+		if (changed)
+		{
+			//now build the new list
+			AMX_NATIVE_INFO *rlist = new AMX_NATIVE_INFO[newlist.size()+1];
+			for (size_t j=0; j<newlist.size(); j++)
+			{
+				rlist[j].func = curlist[newlist[j]].func;
+				rlist[j].name = curlist[newlist[j]].name;
+			}
+			rlist[newlist.size()].func = NULL;
+			rlist[newlist.size()].name = NULL;
+			m_Natives[i] = rlist;
+			m_DestroyableIndexes.push_back(i);
+		}
+	}
+}
+
 bool CModule::attachModule()
 {
 	// old & new

amxmodx/CModule.h

@@ -92,6 +92,7 @@ public:
 	bool attachModule();
 	bool queryModule();
 	bool detachModule();
+	void rewriteNativeLists(AMX_NATIVE_INFO *list);
 
 #ifndef FAKEMETA
 	bool attachMetamod(const char *mmfile, PLUG_LOADTIME now);
@@ -115,7 +116,8 @@ public:
 	void CallPluginsUnloaded();
 	void CallPluginsUnloading();
 
-	CList<AMX_NATIVE_INFO*> m_Natives;
+	CVector<AMX_NATIVE_INFO*> m_Natives;
+	CVector<size_t> m_DestroyableIndexes;
 };
 
 #endif //CMODULE_H

amxmodx/modules.cpp

@@ -502,10 +502,14 @@ int CheckModules(AMX *amx, char error[128])
 
 int set_amxnatives(AMX* amx, char error[128])
 {
+	CModule *cm;
 	for (CList<CModule, const char *>::iterator a = g_modules.begin(); a ; ++a)
 	{
-		for (CList<AMX_NATIVE_INFO*>::iterator cc = (*a).m_Natives.begin(); cc; ++cc)
-			amx_Register(amx, *cc, -1);
+		cm = &(*a);
+		for (size_t i=0; i<cm->m_Natives.size(); i++)
+		{
+			amx_Register(amx, cm->m_Natives[i], -1);
+		}
 	}
 
 	amx_Register(amx, string_Natives, -1);
@@ -1113,12 +1117,7 @@ int MNF_AddNatives(AMX_NATIVE_INFO* natives)
 	if (!g_CurrentlyCalledModule || g_ModuleCallReason != ModuleCall_Attach)
 		return FALSE;				// may only be called from attach
 
-	// This is needed so that CList can free it ;]
-	AMX_NATIVE_INFO** pPtr = new AMX_NATIVE_INFO*(natives);
-	if (!pPtr)
-		return FALSE;
-
-	g_CurrentlyCalledModule->m_Natives.put(pPtr);
+	g_CurrentlyCalledModule->m_Natives.push_back(natives);
 	
 	return TRUE;
 }
@@ -1284,6 +1283,17 @@ const char * MNF_GetPlayerName(int id)
 	return GET_PLAYER_POINTER_I(id)->name.c_str();
 }
 
+void MNF_OverrideNatives(AMX_NATIVE_INFO *natives)
+{
+	//HACKHACK - we should never have had to do this
+	//find a better solution for SourceMod!!!
+	for (CList<CModule, const char *>::iterator a = g_modules.begin(); a ; ++a)
+	{
+		CModule &cm = (*a);
+		cm.rewriteNativeLists(natives);
+	}
+}
+
 const char * MNF_GetPlayerIP(int id)
 {
 	if (id < 1 || id > gpGlobals->maxClients)
@@ -1775,6 +1785,7 @@ void Module_CacheFunctions()
 	REGISTER_FUNC("FindLibrary", MNF_FindLibrary);
 	REGISTER_FUNC("AddLibraries", MFN_AddLibraries);
 	REGISTER_FUNC("RemoveLibraries", MNF_RemoveLibraries);
+	REGISTER_FUNC("OverrideNatives", MNF_OverrideNatives);
 
 #ifdef MEMORY_TEST
 	REGISTER_FUNC("Allocator", m_allocator)

amxmodx/sdk/amxxmodule.cpp

@@ -2511,6 +2511,7 @@ PFN_UNREG_AUTH_FUNC			g_fn_UnregAuthFunc;
 PFN_FINDLIBRARY				g_fn_FindLibrary;
 PFN_ADDLIBRARIES			g_fn_AddLibraries;
 PFN_REMOVELIBRARIES			g_fn_RemoveLibraries;
+PFN_OVERRIDENATIVES			g_fn_OverrideNatives;
 
 // *** Exports ***
 C_DLLEXPORT int AMXX_Query(int *interfaceVersion, amxx_module_info_s *moduleInfo)
@@ -2628,6 +2629,7 @@ C_DLLEXPORT int AMXX_Attach(PFN_REQ_FNPTR reqFnptrFunc)
 	REQFUNC("FindLibrary", g_fn_FindLibrary, PFN_FINDLIBRARY);
 	REQFUNC("AddLibraries", g_fn_AddLibraries, PFN_ADDLIBRARIES);
 	REQFUNC("RemoveLibraries", g_fn_RemoveLibraries, PFN_REMOVELIBRARIES);
+	REQFUNC("OverrideNatives", g_fn_OverrideNatives, PFN_OVERRIDENATIVES);
 
 #ifdef MEMORY_TEST
 	// Memory
@@ -2769,6 +2771,7 @@ void ValidateMacros_DontCallThis_Smiley()
 	MF_FindLibrary(NULL, LibType_Class);
 	MF_AddLibraries(NULL, LibType_Class, NULL);
 	MF_RemoveLibraries(NULL);
+	MF_OverrideNatives(NULL);
 }
 #endif
 

amxmodx/sdk/amxxmodule.h

@@ -2179,6 +2179,7 @@ typedef void			(*PFN_UNREG_AUTH_FUNC)			(AUTHORIZEFUNC);
 typedef int				(*PFN_FINDLIBRARY)				(const char * /*name*/, LibType /*type*/);
 typedef size_t			(*PFN_ADDLIBRARIES)				(const char * /*name*/, LibType /*type*/, void * /*parent*/);
 typedef size_t			(*PFN_REMOVELIBRARIES)			(void * /*parent*/);
+typedef void			(*PFN_OVERRIDENATIVES)			(AMX_NATIVE_INFO * /*natives*/);
 
 extern PFN_ADD_NATIVES				g_fn_AddNatives;
 extern PFN_BUILD_PATHNAME			g_fn_BuildPathname;
@@ -2249,6 +2250,7 @@ extern PFN_UNREG_AUTH_FUNC			g_fn_UnregAuthFunc;
 extern PFN_FINDLIBRARY				g_fn_FindLibrary;
 extern PFN_ADDLIBRARIES				g_fn_AddLibraries;
 extern PFN_REMOVELIBRARIES			g_fn_RemoveLibraries;
+extern PFN_OVERRIDENATIVES			g_fn_OverrideNatives;
 
 #ifdef MAY_NEVER_BE_DEFINED
 // Function prototypes for intellisense and similar systems
@@ -2316,6 +2318,7 @@ void			MF_UnregAuthFunc			(AUTHORIZEFUNC fn) { }
 int				MF_FindLibrary				(const char *name, LibType type) { }
 size_t			MF_AddLibraries				(const char *name, LibType type, void *parent) { }
 size_t			MF_RemoveLibraries			(void *parent) { }
+void			MF_OverrideNatives			(AMX_NATIVE_INFO *natives) { }
 #endif	// MAY_NEVER_BE_DEFINED
 
 #define MF_AddNatives g_fn_AddNatives
@@ -2385,9 +2388,10 @@ void MF_LogError(AMX *amx, int err, const char *fmt, ...);
 #define MF_PlayerPropAddr g_fn_PlayerPropAddr
 #define MF_RegAuthFunc g_fn_RegAuthFunc
 #define MF_UnregAuthFunc g_fn_UnregAuthFunc
-#define MF_FindLibrary g_fn_FindLibrary;
-#define MF_AddLibraries g_fn_AddLibraries;
-#define MF_RemoveLibraries g_fn_RemoveLibraries;
+#define MF_FindLibrary g_fn_FindLibrary
+#define MF_AddLibraries g_fn_AddLibraries
+#define MF_RemoveLibraries g_fn_RemoveLibraries
+#define MF_OverrideNatives g_fn_OverrideNatives
 
 #ifdef MEMORY_TEST
 /*** Memory ***/