Cvars: Moving cvars stuffs in its own files

cvars.cpp renamed to CvarManager.cpp
all cvars natives moved to a new cvars.cpp file
Pawn include is updated as wall.

amxmodx/CvarManager.h

@@ -0,0 +1,106 @@
+// vim: set ts=4 sw=4 tw=99 noet:
+//
+// AMX Mod X, based on AMX Mod by Aleksander Naszko ("OLO").
+// Copyright (C) The AMX Mod X Development Team.
+//
+// This software is licensed under the GNU General Public License, version 3 or higher.
+// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
+//     https://alliedmods.net/amxmodx-license
+
+#ifndef CVARS_H
+#define CVARS_H
+
+#include "amxmodx.h"
+#include <am-vector.h>
+#include <am-inlinelist.h>
+#include <sm_namehashset.h>
+
+class CDetour;
+
+struct Forward
+{
+	enum fwdstate
+	{
+		FSTATE_INVALID = 0,
+		FSTATE_OK,
+		FSTATE_STOP,
+	};
+
+	Forward(int id_, const char* handler) : id(id_), state(FSTATE_OK), callback(handler) {};
+	Forward()                             : id(-1) , state(FSTATE_INVALID) {};
+
+	~Forward()
+	{
+		unregisterSPForward(id);
+	}
+
+	int         id;
+	fwdstate    state;
+	ke::AString callback;
+};
+
+struct CvarPlugin
+{
+	CvarPlugin(int id, Forward* fwd) : pluginId(id), forward(fwd) {};
+	CvarPlugin(int id)               : pluginId(id), forward(new Forward()) {};
+
+	int pluginId;
+	ke::AutoPtr<Forward> forward;
+};
+
+typedef ke::Vector<CvarPlugin*> CvarsHook;
+
+struct CvarInfo : public ke::InlineListNode<CvarInfo>
+{
+	cvar_t*      var;
+	ke::AString  name;
+	ke::AString  defaultval;
+	ke::AString  plugin;
+	int          pluginId;
+	CvarsHook    hooks;
+	bool         amxmodx;
+
+	static inline bool matches(const char *name, const CvarInfo* info)
+	{
+		return strcmp(name, info->var->name) == 0;
+	}
+};
+
+typedef NameHashSet<CvarInfo*> CvarsCache;
+typedef ke::InlineList<CvarInfo> CvarsList;
+
+class CvarManager
+{
+	public:
+
+		CvarManager();
+		~CvarManager();
+
+	public:
+
+		void      CreateCvarHook();
+
+		cvar_t*   CreateCvar(const char* name, const char* value, float fvalue, int flags, const char* plugin, int plugnId);
+		cvar_t*   FindCvar(const char* name);
+		CvarInfo* FindCvar(size_t index);
+		bool      CacheLookup(const char* name, CvarInfo** info);
+
+		Forward*  HookCvarChange(cvar_t* var, AMX* amx, cell param, const char** callback);
+
+		size_t    GetRegCvarsCount();
+
+		void      OnConsoleCommand();
+		void      OnPluginUnloaded();
+		void      OnAmxxShutdown();
+
+	private:
+
+		CvarsCache m_Cache;
+		CvarsList  m_Cvars;
+		size_t     m_AmxmodxCvars;
+		CDetour*   m_HookDetour;
+};
+
+extern CvarManager g_CvarManager;
+
+#endif // CVARS_H