diff --git a/core/CLogger.cpp b/core/CLogger.cpp
index 1c2bb2bb..a420e1c2 100644
--- a/core/CLogger.cpp
+++ b/core/CLogger.cpp
@@ -34,7 +34,7 @@ void CLogger::_NewMapFile()
 
 	while (true)
 	{
-		g_LibSys.PathFormat(_filename, sizeof(_filename), "%s/logs/L%02d%02d%03d.log", g_SourceMod.GetSMBaseDir(), curtime->tm_mon + 1, curtime->tm_mday, i);
+		g_SourceMod.BuildPath(Path_SM, _filename, sizeof(_filename), "logs/L%02d%02d%03d.log", curtime->tm_mon + 1, curtime->tm_mday, i);
 		FILE *fp = fopen(_filename, "r");
 		if (!fp)
 		{
@@ -104,7 +104,7 @@ void CLogger::InitLogger(LoggingMode mode, bool startlogging)
 	m_CurDay = curtime->tm_mday;
 
 	char _filename[256];
-	g_LibSys.PathFormat(_filename, sizeof(_filename), "%s/logs/errors_%02d%02d%02d.log", g_SourceMod.GetSMBaseDir(), curtime->tm_mon + 1, curtime->tm_mday, curtime->tm_year - 100);
+	g_SourceMod.BuildPath(Path_SM, _filename, sizeof(_filename), "logs/errors_%02d%02d%02d.log", curtime->tm_mon + 1, curtime->tm_mday, curtime->tm_year - 100);
 	m_ErrFileName.assign(_filename);
 
 	switch (m_mode)
@@ -119,7 +119,7 @@ void CLogger::InitLogger(LoggingMode mode, bool startlogging)
 		}
 	case LoggingMode_Daily:
 		{
-			g_LibSys.PathFormat(_filename, sizeof(_filename), "%s/logs/L%02d%02d.log", g_SourceMod.GetSMBaseDir(), curtime->tm_mon + 1, curtime->tm_mday);
+			g_SourceMod.BuildPath(Path_SM, _filename, sizeof(_filename), "logs/L%02d%02d.log", curtime->tm_mon + 1, curtime->tm_mday);
 			m_NrmFileName.assign(_filename);
 			m_DailyPrintHdr = true;
 			break;
@@ -183,7 +183,7 @@ void CLogger::LogMessage(const char *vafmt, ...)
 		if (m_CurDay != curtime->tm_mday)
 		{
 			char _filename[256];
-			g_LibSys.PathFormat(_filename, sizeof(_filename), "%s/logs/L%02d%02d.log", g_SourceMod.GetSMBaseDir(), curtime->tm_mon + 1, curtime->tm_mday);
+			g_SourceMod.BuildPath(Path_SM, _filename, sizeof(_filename), "logs/L%02d%02d.log", curtime->tm_mon + 1, curtime->tm_mday);
 			m_NrmFileName.assign(_filename);
 			m_CurDay = curtime->tm_mday;
 			m_DailyPrintHdr = true;
@@ -228,7 +228,7 @@ void CLogger::LogError(const char *vafmt, ...)
 	if (curtime->tm_mday != m_CurDay)
 	{
 		char _filename[256];
-		g_LibSys.PathFormat(_filename, sizeof(_filename), "%s/logs/errors_%02d%02d%02d.log", g_SourceMod.GetSMBaseDir(), curtime->tm_mon + 1, curtime->tm_mday, curtime->tm_year - 100);
+		g_SourceMod.BuildPath(Path_SM, _filename, sizeof(_filename), "logs/errors_%02d%02d%02d.log", curtime->tm_mon + 1, curtime->tm_mday, curtime->tm_year - 100);
 		m_ErrFileName.assign(_filename);
 		m_CurDay = curtime->tm_mday;
 		m_ErrMapStart = false;
diff --git a/core/CTranslator.cpp b/core/CTranslator.cpp
index 8fb074b8..1d77ebea 100644
--- a/core/CTranslator.cpp
+++ b/core/CTranslator.cpp
@@ -87,7 +87,7 @@ void CPhraseFile::ReparseFile()
 
 	SMCParseError err;
 	char path[PLATFORM_MAX_PATH+1];
-	g_LibSys.PathFormat(path, PLATFORM_MAX_PATH, "%s/translations/%s", g_SourceMod.GetSMBaseDir(), m_File.c_str());
+	g_SourceMod.BuildPath(Path_SM, path, PLATFORM_MAX_PATH, "translations/%s", m_File.c_str());
 	unsigned int line=0, col=0;
 
 	if ((err=g_TextParser.ParseFile_SMC(path, this, &line, &col)) != SMCParse_Okay)
diff --git a/core/interfaces/ILibrarySys.h b/core/interfaces/ILibrarySys.h
index 94a00bb6..000668d6 100644
--- a/core/interfaces/ILibrarySys.h
+++ b/core/interfaces/ILibrarySys.h
@@ -148,7 +148,7 @@ namespace SourceMod
 		 * @param pathfmt	Format string of path.
 		 * @param ...		Format string arguments.
 		 */
-		virtual void PathFormat(char *buffer, size_t maxlength, const char *pathfmt, ...) =0;
+		virtual size_t PathFormat(char *buffer, size_t maxlength, const char *pathfmt, ...) =0;
 	};
 };
 
diff --git a/core/interfaces/ISourceMod.h b/core/interfaces/ISourceMod.h
new file mode 100644
index 00000000..444f2317
--- /dev/null
+++ b/core/interfaces/ISourceMod.h
@@ -0,0 +1,74 @@
+#ifndef _INCLUDE_SOURCEMOD_MAIN_HELPER_INTERFACE_H_
+#define _INCLUDE_SOURCEMOD_MAIN_HELPER_INTERFACE_H_
+
+#include <IShareSys.h>
+
+#define SMINTERFACE_SOURCEMOD_NAME		"ISourceMod"
+#define SMINTERFACE_SOURCEMOD_VERSION	1
+
+namespace SourceMod
+{
+	enum PathType
+	{
+		Path_None = 0,
+		Path_Game,
+		Path_SM,
+	};
+
+	class ISourceMod : public SMInterface
+	{
+	public:
+		virtual const char *GetInterfaceName()
+		{
+			return SMINTERFACE_SOURCEMOD_NAME;
+		}
+		virtual unsigned int GetInterfaceVersion()
+		{
+			return SMINTERFACE_SOURCEMOD_VERSION;
+		}
+	public:
+		/**
+		 * @brief Returns the full path to the mod directory.
+		 *
+		 * @return			A string containing the full mod path.
+		 */
+		virtual const char *GetModPath() =0;
+
+		/**
+		 * @brief Returns the full path to the SourceMod directory.
+		 *
+		 * @return			A string containing the full SourceMod path.
+		 */
+		virtual const char *GetSourceModPath() =0;
+
+		/**
+		 * @brief Builds a platform path for a specific target base path.
+		 *
+		 * @param type		Type of path to use as a base.
+		 * @param buffer	Buffer to write to.
+		 * @param maxlength	Size of buffer.
+		 * @param format	Format string.
+		 * @param ...		Format arguments.
+		 * @return			Number of bytes written.
+		 */
+		virtual size_t BuildPath(PathType type, char *buffer, size_t maxlength, char *format, ...) =0;
+
+		/**
+		 * @brief Logs a message to the SourceMod logs.
+		 *
+		 * @param format	Message format.
+		 * @param ...		Message format parameters.
+		 */
+		virtual void LogMessage(IExtension *pExt, const char *format, ...) =0;
+
+		/**
+		 * @brief Logs a message to the SourceMod error logs.
+		 *
+		 * @param format	Message format.
+		 * @param ...		Message format parameters.
+		 */
+		virtual void LogError(IExtension *pExt, const char *format, ...) =0;
+	};
+};
+
+#endif //_INCLUDE_SOURCEMOD_MAIN_HELPER_INTERFACE_H_
diff --git a/core/msvc8/sourcemod_mm.vcproj b/core/msvc8/sourcemod_mm.vcproj
index e1ba5db7..f2f0ef45 100644
--- a/core/msvc8/sourcemod_mm.vcproj
+++ b/core/msvc8/sourcemod_mm.vcproj
@@ -329,6 +329,10 @@
 				RelativePath="..\interfaces\IRootConsoleMenu.h"
 				>
 			</File>
+			<File
+				RelativePath="..\interfaces\ISourceMod.h"
+				>
+			</File>
 			<File
 				RelativePath="..\interfaces\ITextParsers.h"
 				>
diff --git a/core/smn_filesystem.cpp b/core/smn_filesystem.cpp
index bc777175..90dc37c6 100644
--- a/core/smn_filesystem.cpp
+++ b/core/smn_filesystem.cpp
@@ -49,7 +49,7 @@ static cell_t sm_OpenDirectory(IPluginContext *pContext, const cell_t *params)
 	}
 
 	char realpath[PLATFORM_MAX_PATH+1];
-	g_LibSys.PathFormat(realpath, sizeof(realpath), "%s/%s", g_SourceMod.GetBaseDir(), path);
+	g_SourceMod.BuildPath(Path_Game, realpath, sizeof(realpath), "%s", path);
 
 	IDirectory *pDir = g_LibSys.OpenDirectory(realpath);
 	if (!pDir)
@@ -127,7 +127,7 @@ static cell_t sm_OpenFile(IPluginContext *pContext, const cell_t *params)
 	}
 
 	char realpath[PLATFORM_MAX_PATH+1];
-	g_LibSys.PathFormat(realpath, sizeof(realpath), "%s/%s", g_SourceMod.GetBaseDir(), name);
+	g_SourceMod.BuildPath(Path_SM, realpath, sizeof(realpath), "%s", name);
 
 	FILE *pFile = fopen(realpath, mode);
 	if (!pFile)
@@ -149,7 +149,7 @@ static cell_t sm_DeleteFile(IPluginContext *pContext, const cell_t *params)
 	}
 
 	char realpath[PLATFORM_MAX_PATH+1];
-	g_LibSys.PathFormat(realpath, sizeof(realpath), "%s/%s", g_SourceMod.GetBaseDir(), name);
+	g_SourceMod.BuildPath(Path_SM, realpath, sizeof(realpath), "%s", name);
 
 	return (unlink(realpath)) ? 0 : 1;
 }
@@ -253,7 +253,7 @@ static cell_t sm_FileExists(IPluginContext *pContext, const cell_t *params)
 	}
 
 	char realpath[PLATFORM_MAX_PATH+1];
-	g_LibSys.PathFormat(realpath, sizeof(realpath), "%s/%s", g_SourceMod.GetBaseDir(), name);
+	g_SourceMod.BuildPath(Path_SM, realpath, sizeof(realpath), "%s", name);
 #ifdef PLATFORM_WINDOWS
 	struct _stat s;
 	if (_stat(realpath, &s) != 0)
@@ -295,9 +295,9 @@ static cell_t sm_RenameFile(IPluginContext *pContext, const cell_t *params)
 	}
 
 	char new_realpath[PLATFORM_MAX_PATH+1];
-	g_LibSys.PathFormat(new_realpath, sizeof(new_realpath), "%s/%s", g_SourceMod.GetBaseDir(), newpath);
+	g_SourceMod.BuildPath(Path_SM, new_realpath, sizeof(new_realpath), "%s", newpath);
 	char old_realpath[PLATFORM_MAX_PATH+1];
-	g_LibSys.PathFormat(old_realpath, sizeof(old_realpath), "%s/%s", g_SourceMod.GetBaseDir(), oldpath);
+	g_SourceMod.BuildPath(Path_SM, old_realpath, sizeof(old_realpath), "%s", oldpath);
 
 #ifdef PLATFORM_WINDOWS
 	return (MoveFileA(old_realpath, new_realpath)) ? 1 : 0;
@@ -317,7 +317,7 @@ static cell_t sm_DirExists(IPluginContext *pContext, const cell_t *params)
 	}
 
 	char realpath[PLATFORM_MAX_PATH+1];
-	g_LibSys.PathFormat(realpath, sizeof(realpath), "%s/%s", g_SourceMod.GetBaseDir(), name);
+	g_SourceMod.BuildPath(Path_SM, realpath, sizeof(realpath), "%s", name);
 #ifdef PLATFORM_WINDOWS
 	struct _stat s;
 	if (_stat(realpath, &s) != 0)
@@ -354,7 +354,7 @@ static cell_t sm_FileSize(IPluginContext *pContext, const cell_t *params)
 	}
 
 	char realpath[PLATFORM_MAX_PATH+1];
-	g_LibSys.PathFormat(realpath, sizeof(realpath), "%s/%s", g_SourceMod.GetBaseDir(), name);
+	g_SourceMod.BuildPath(Path_SM, realpath, sizeof(realpath), "%s", name);
 #ifdef PLATFORM_WINDOWS
 	struct _stat s;
 	if (_stat(realpath, &s) != 0)
@@ -391,7 +391,7 @@ static cell_t sm_RemoveDir(IPluginContext *pContext, const cell_t *params)
 	}
 
 	char realpath[PLATFORM_MAX_PATH+1];
-	g_LibSys.PathFormat(realpath, sizeof(realpath), "%s/%s", g_SourceMod.GetBaseDir(), name);
+	g_SourceMod.BuildPath(Path_SM, realpath, sizeof(realpath), "%s", name);
 
 	return (rmdir(realpath)) ? 0 : 1;
 }
diff --git a/core/sourcemod.cpp b/core/sourcemod.cpp
index 2581a7f4..ec1403f9 100644
--- a/core/sourcemod.cpp
+++ b/core/sourcemod.cpp
@@ -50,7 +50,7 @@ bool SourceModBase::InitializeSourceMod(char *error, size_t err_max, bool late)
 	char file[PLATFORM_MAX_PATH];
 	char myerror[255];
 	g_SMAPI->PathFormat(file, sizeof(file), "%s/bin/sourcepawn.jit.x86.%s",
-		GetSMBaseDir(),
+		GetSourceModPath(),
 		PLATFORM_LIB_EXT
 		);
 
@@ -150,6 +150,9 @@ void SourceModBase::StartSourceMod(bool late)
 		pBase->OnSourceModAllInitialized();
 		pBase = pBase->m_pGlobalClassNext;
 	}
+
+	/* Add us now... */
+	g_ShareSys.AddInterface(NULL, this);
 }
 
 bool SourceModBase::LevelInit(char const *pMapName, char const *pMapEntities, char const *pOldLevel, char const *pLandmarkName, bool loadGame, bool background)
@@ -175,14 +178,12 @@ void SourceModBase::DoGlobalPluginLoads()
 	char config_path[PLATFORM_MAX_PATH];
 	char plugins_path[PLATFORM_MAX_PATH];
 
-	g_SMAPI->PathFormat(config_path, 
+	BuildPath(Path_SM, config_path, 
 		sizeof(config_path),
-		"%s/configs/plugin_settings.cfg",
-		GetSMBaseDir());
-	g_SMAPI->PathFormat(plugins_path,
+		"configs/plugin_settings.cfg");
+	BuildPath(Path_SM, plugins_path,
 		sizeof(plugins_path),
-		"%s/plugins",
-		GetSMBaseDir());
+		"plugins");
 
 	/* Run the first pass */
 	g_PluginSys.LoadAll_FirstPass(config_path, plugins_path);
@@ -197,6 +198,31 @@ void SourceModBase::DoGlobalPluginLoads()
 	g_Extensions.MarkAllLoaded();
 }
 
+size_t SourceModBase::BuildPath(PathType type, char *buffer, size_t maxlength, char *format, ...)
+{
+	char _buffer[PLATFORM_MAX_PATH+1];
+	va_list ap;
+
+	va_start(ap, format);
+	vsnprintf(_buffer, PLATFORM_MAX_PATH, format, ap);
+	va_end(ap);
+
+	const char *base = NULL;
+	if (type == Path_Game)
+	{
+		base = GetModPath();
+	} else if (type == Path_SM) {
+		base = GetSourceModPath();
+	}
+
+	if (base)
+	{
+		return g_LibSys.PathFormat(buffer, maxlength, "%s/%s", base, _buffer);
+	} else {
+		return g_LibSys.PathFormat(buffer, maxlength, "%s", _buffer);
+	}
+}
+
 void SourceModBase::CloseSourceMod()
 {
 	/* Notify! */
@@ -219,12 +245,50 @@ void SourceModBase::CloseSourceMod()
 	ShutdownJIT();
 }
 
-const char *SourceModBase::GetSMBaseDir()
+void SourceModBase::LogMessage(IExtension *pExt, const char *format, ...)
+{
+	IExtensionInterface *pAPI = pExt->GetAPI();
+	const char *tag = pAPI->GetExtensionTag();
+	char buffer[2048];
+	va_list ap;
+
+	va_start(ap, format);
+	vsnprintf(buffer, sizeof(buffer), format, ap);
+	va_end(ap);
+
+	if (tag)
+	{
+		g_Logger.LogMessage("[%s] %s", tag, buffer);
+	} else {
+		g_Logger.LogMessage("%s", buffer);
+	}
+}
+
+void SourceModBase::LogError(IExtension *pExt, const char *format, ...)
+{
+	IExtensionInterface *pAPI = pExt->GetAPI();
+	const char *tag = pAPI->GetExtensionTag();
+	char buffer[2048];
+	va_list ap;
+
+	va_start(ap, format);
+	vsnprintf(buffer, sizeof(buffer), format, ap);
+	va_end(ap);
+
+	if (tag)
+	{
+		g_Logger.LogError("[%s] %s", tag, buffer);
+	} else {
+		g_Logger.LogError("%s", buffer);
+	}
+}
+
+const char *SourceModBase::GetSourceModPath()
 {
 	return m_SMBaseDir;
 }
 
-const char *SourceModBase::GetBaseDir()
+const char *SourceModBase::GetModPath()
 {
 	return g_BaseDir.c_str();
 }
diff --git a/core/sourcemod.h b/core/sourcemod.h
index 9b7aa24e..bd74af48 100644
--- a/core/sourcemod.h
+++ b/core/sourcemod.h
@@ -2,12 +2,13 @@
 #define _INCLUDE_SOURCEMOD_GLOBALHEADER_H_
 
 #include "sm_globals.h"
+#include <ISourceMod.h>
 
 /**
  * @brief Implements SourceMod's global overall management, API, and logic
  */
 
-class SourceModBase
+class SourceModBase : public ISourceMod
 {
 public:
 	SourceModBase();
@@ -37,15 +38,12 @@ public:
 	 */
 	bool IsMapLoading();
 
-	/**
-	 * @brief Returns the base SourceMod folder.
-	 */
-	const char *GetSMBaseDir();
-
-	/**
-	 * @brief Returns the base folder for file natives.
-	 */
-	const char *GetBaseDir();
+public: //ISourceMod
+	const char *GetModPath();
+	const char *GetSourceModPath();
+	size_t BuildPath(PathType type, char *buffer, size_t maxlength, char *format, ...);
+	void LogMessage(IExtension *pExt, const char *format, ...);
+	void LogError(IExtension *pExt, const char *format, ...);
 private:
 	/**
 	 * @brief Loading plugins
diff --git a/core/systems/ExtensionSys.cpp b/core/systems/ExtensionSys.cpp
index a0f2407d..acb28046 100644
--- a/core/systems/ExtensionSys.cpp
+++ b/core/systems/ExtensionSys.cpp
@@ -20,7 +20,7 @@ CExtension::CExtension(const char *filename, char *error, size_t err_max)
 	m_FullyLoaded = false;
 
 	char path[PLATFORM_MAX_PATH+1];
-	g_LibSys.PathFormat(path, PLATFORM_MAX_PATH, "%s/extensions/%s", g_SourceMod.GetSMBaseDir(), filename);
+	g_SourceMod.BuildPath(Path_SM, path, PLATFORM_MAX_PATH, "extensions/%s", filename);
 
 	m_pLib = g_LibSys.OpenLibrary(path, error, err_max);
 
diff --git a/core/systems/LibrarySys.cpp b/core/systems/LibrarySys.cpp
index 2bc57460..e43449c6 100644
--- a/core/systems/LibrarySys.cpp
+++ b/core/systems/LibrarySys.cpp
@@ -282,7 +282,7 @@ ILibrary *LibrarySystem::OpenLibrary(const char *path, char *error, size_t err_m
 	return new CLibrary(lib);
 }
 
-void LibrarySystem::PathFormat(char *buffer, size_t len, const char *fmt, ...)
+size_t LibrarySystem::PathFormat(char *buffer, size_t len, const char *fmt, ...)
 {
 	va_list ap;
 	va_start(ap,fmt);
@@ -298,4 +298,6 @@ void LibrarySystem::PathFormat(char *buffer, size_t len, const char *fmt, ...)
 			buffer[i] = PLATFORM_SEP_CHAR;
 		}
 	}
+
+	return mylen;
 }
diff --git a/core/systems/LibrarySys.h b/core/systems/LibrarySys.h
index 9c89c0c6..352a6b9b 100644
--- a/core/systems/LibrarySys.h
+++ b/core/systems/LibrarySys.h
@@ -59,7 +59,7 @@ public:
 	virtual bool IsPathFile(const char *path);
 	virtual bool IsPathDirectory(const char *path);
 	virtual void GetPlatformError(char *error, size_t err_max);
-	virtual void PathFormat(char *buffer, size_t len, const char *fmt, ...);
+	virtual size_t PathFormat(char *buffer, size_t len, const char *fmt, ...);
 };
 
 extern LibrarySystem g_LibSys;
diff --git a/core/systems/PluginSys.cpp b/core/systems/PluginSys.cpp
index bb168ffb..6528113e 100644
--- a/core/systems/PluginSys.cpp
+++ b/core/systems/PluginSys.cpp
@@ -100,7 +100,7 @@ void CPlugin::InitIdentity()
 CPlugin *CPlugin::CreatePlugin(const char *file, char *error, size_t maxlength)
 {
 	char fullpath[PLATFORM_MAX_PATH+1];
-	g_LibSys.PathFormat(fullpath, sizeof(fullpath), "%s/plugins/%s", g_SourceMod.GetSMBaseDir(), file);
+	g_SourceMod.BuildPath(Path_SM, fullpath, sizeof(fullpath), "plugins/%s", file);
 	FILE *fp = fopen(fullpath, "rb");
 
 	CPlugin *pPlugin = new CPlugin(file);