Exposed extensions list to clients (bug 5221, r=asherkin).

core/ExtensionSys.cpp

@@ -37,6 +37,7 @@
 #include "sourcemm_api.h"
 #include "sm_srvcmds.h"
 #include "sm_stringutil.h"
+#include "PlayerManager.h"
 
 CExtensionManager g_Extensions;
 IdentityType_t g_ExtType;
@@ -1284,6 +1285,94 @@ void CExtensionManager::OnRootConsoleCommand(const char *cmdname, const CCommand
 	g_RootMenu.DrawGenericOption("unload", "Unload an extension");
 }
 
+void CExtensionManager::ListExtensionsToClient(CPlayer *player, const CCommand &args)
+{
+	char buffer[256];
+	int numExtensions = m_Libs.size();
+	edict_t *edict = player->GetEdict();
+	unsigned int id = 0;
+	unsigned int start = 0;
+
+	if (!numExtensions)
+	{
+		ClientConsolePrint(edict, "[SM] No extensions found.");
+		return;
+	}
+
+	if (args.ArgC() > 2)
+	{
+		start = atoi(args.Arg(2));
+	}
+
+	CExtension *ext;
+	SourceHook::List<CExtension *>::iterator iter;
+
+	for (iter = m_Libs.begin();
+		 iter != m_Libs.end();
+		 iter++)
+	{
+		ext = (*iter);
+
+		char error[255];
+		if (!ext->IsRunning(error, sizeof(error)))
+		{
+			continue;
+		}
+
+		id++;
+		if (id < start)
+		{
+			continue;
+		}
+
+		if (id - start > 10)
+		{
+			break;
+		}
+
+		IExtensionInterface *api = ext->GetAPI();
+
+		const char *name = api->GetExtensionName();
+		const char *version = api->GetExtensionVerString();
+		const char *author = api->GetExtensionAuthor();
+		const char *description = api->GetExtensionDescription();
+
+		size_t len = UTIL_Format(buffer, sizeof(buffer), " \"%s\"", name);
+
+		if (version != NULL && IS_STR_FILLED(version))
+		{
+			len += UTIL_Format(&buffer[len], sizeof(buffer)-len, " (%s)", version);
+		}
+
+		if (author != NULL && IS_STR_FILLED(author))
+		{
+			len += UTIL_Format(&buffer[len], sizeof(buffer)-len, " by %s", author);
+		}
+
+		if (description != NULL && IS_STR_FILLED(description))
+		{
+			len += UTIL_Format(&buffer[len], sizeof(buffer)-len, ": %s", description);
+		}
+
+
+		ClientConsolePrint(edict, "%s", buffer);
+	}
+
+	while (iter != m_Libs.end())
+	{
+		char error[255];
+		if ((*iter)->IsRunning(error, sizeof(error)))
+		{
+			break;
+		}
+	}
+
+	if (iter != m_Libs.end())
+	{
+		ClientConsolePrint(edict, "To see more, type \"sm exts %d\"", id);
+	}
+}
+
 CExtension *CExtensionManager::GetExtensionFromIdent(IdentityToken_t *ptr)
 {
 	if (ptr->type == g_ExtType)

core/ExtensionSys.h

@@ -45,6 +45,8 @@
 #include "PluginSys.h"
 #include "NativeOwner.h"
 
+class CPlayer;
+
 using namespace SourceMod;
 using namespace SourceHook;
 
@@ -175,6 +177,8 @@ public:
 	bool LibraryExists(const char *library);
 	void CallOnCoreMapStart(edict_t *pEdictList, int edictCount, int clientMax);
 	void AddRawDependency(IExtension *ext, IdentityToken_t *other, void *iface);
+public:
+	void ListExtensionsToClient(CPlayer *player, const CCommand &args);
 public:
 	CExtension *GetExtensionFromIdent(IdentityToken_t *ptr);
 	void Shutdown();

core/PlayerManager.cpp

@@ -770,6 +770,11 @@ void PlayerManager::OnClientCommand(edict_t *pEntity)
 			g_PluginSys.ListPluginsToClient(pPlayer, args);
 			RETURN_META(MRES_SUPERCEDE);
 		}
+		else if (args.ArgC() > 1 && strcmp(args.Arg(1), "exts") == 0)
+		{
+			g_Extensions.ListExtensionsToClient(pPlayer, args);
+			RETURN_META(MRES_SUPERCEDE);
+		}
 		else if (args.ArgC() > 1 && strcmp(args.Arg(1), "credits") == 0)
 		{
 			ClientConsolePrint(pEntity,