Implemented amb286 - .smx extension no longer required with "sm plugins load"

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40800

core/systems/LibrarySys.cpp

@@ -322,3 +322,23 @@ size_t LibrarySystem::PathFormat(char *buffer, size_t len, const char *fmt, ...)
 
 	return mylen;
 }
+
+const char *LibrarySystem::GetFileExtension(const char *filename)
+{
+	size_t len = strlen(filename);
+
+	for (size_t i = len - 1; i >= 0; i--)
+	{
+		if (filename[i] == PLATFORM_SEP_CHAR || filename[i] == PLATFORM_SEP_ALTCHAR)
+		{
+			return NULL;
+		}
+
+		if (filename[i] == '.' && i != len - 1)
+		{
+			return &filename[++i];
+		}
+	}
+
+	return NULL;
+}

core/systems/LibrarySys.h

@@ -74,6 +74,7 @@ public:
 	bool IsPathDirectory(const char *path);
 	void GetPlatformError(char *error, size_t maxlength);
 	size_t PathFormat(char *buffer, size_t len, const char *fmt, ...);
+	const char *GetFileExtension(const char *filename);
 };
 
 extern LibrarySystem g_LibSys;

core/systems/PluginSys.cpp

@@ -1661,19 +1661,24 @@ void CPluginManager::OnRootConsoleCommand(const char *command, unsigned int argc
 			char error[128];
 			bool wasloaded;
 			const char *filename = g_RootMenu.GetArgument(3);
-			IPlugin *pl = LoadPlugin(filename, false, PluginType_MapUpdated, error, sizeof(error), &wasloaded);
+
+			char pluginfile[256];
+			const char *ext = g_LibSys.GetFileExtension(filename) ? "" : ".smx";
+			UTIL_Format(pluginfile, sizeof(pluginfile), "%s%s", filename, ext);
+
+			IPlugin *pl = LoadPlugin(pluginfile, false, PluginType_MapUpdated, error, sizeof(error), &wasloaded);
 
 			if (wasloaded)
 			{
-				g_RootMenu.ConsolePrint("[SM] Plugin %s is already loaded.", filename);
+				g_RootMenu.ConsolePrint("[SM] Plugin %s is already loaded.", pluginfile);
 				return;
 			}
 
 			if (pl)
 			{
-				g_RootMenu.ConsolePrint("[SM] Loaded plugin %s successfully.", filename);
+				g_RootMenu.ConsolePrint("[SM] Loaded plugin %s successfully.", pluginfile);
 			} else {
-				g_RootMenu.ConsolePrint("[SM] Plugin %s failed to load: %s.", filename, error);
+				g_RootMenu.ConsolePrint("[SM] Plugin %s failed to load: %s.", pluginfile, error);
 			}
 
 			return;