finished most of the extension system

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40320

extensions/sdk/extension.h

@@ -27,6 +27,7 @@ public:
 
 	/**
 	 * @brief This is called once all known extensions have been loaded.
+	 * Note: It is is a good idea to add natives here, if any are provided.
 	 */
 	//virtual void SDK_OnAllLoaded();
 
@@ -34,6 +35,15 @@ public:
 	 * @brief Called when the pause state is changed.
 	 */
 	//virtual void SDK_OnPauseChange(bool paused);
+
+	/**
+	 * @brief this is called when Core wants to know if your extension is working.
+	 *
+	 * @param error		Error message buffer.
+	 * @param err_max	Size of error message buffer.
+	 * @return			True if working, false otherwise.
+	 */
+	//virtual void QueryRunning(char *error, size_t maxlength);
 public:
 #if defined SMEXT_CONF_METAMOD
 	/**

extensions/sdk/smsdk_ext.cpp

@@ -24,9 +24,9 @@ bool SDKExtension::OnExtensionLoad(IExtension *me, IShareSys *sys, char *error,
 	g_pShareSys = sys;
 	myself = me;
 
+#if defined SMEXT_CONF_METAMOD
 	m_WeAreUnloaded = true;
 
-#if defined SMEXT_CONF_METAMOD
 	if (!m_SourceMMLoaded)
 	{
 		if (error)
@@ -41,7 +41,9 @@ bool SDKExtension::OnExtensionLoad(IExtension *me, IShareSys *sys, char *error,
 
 	if (SDK_OnLoad(error, err_max, late))
 	{
+#if defined SMEXT_CONF_METAMOD
 		m_WeAreUnloaded = true;
+#endif
 		return true;
 	}
 

extensions/sdk/smsdk_ext.h

@@ -13,6 +13,7 @@
 #endif
 
 using namespace SourceMod;
+using namespace SourcePawn;
 
 class SDKExtension : 
 #if defined SMEXT_CONF_METAMOD