134 lines
3.9 KiB
C++
134 lines
3.9 KiB
C++
// vim: set ts=4 sw=4 tw=99 noet :
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// =============================================================================
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// SourceMod
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// Copyright (C) 2004-2015 AlliedModders LLC. All rights reserved.
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// =============================================================================
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//
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// This program is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License, version 3.0, as published by the
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// Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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// details.
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//
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// You should have received a copy of the GNU General Public License along with
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// this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// As a special exception, AlliedModders LLC gives you permission to link the
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// code of this program (as well as its derivative works) to "Half-Life 2," the
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// "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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// by the Valve Corporation. You must obey the GNU General Public License in
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// all respects for all other code used. Additionally, AlliedModders LLC grants
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// this exception to all derivative works. AlliedModders LLC defines further
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// exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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// or <http://www.sourcemod.net/license.php>.
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#ifndef _INCLUDE_SOURCEMOD_PROVIDER_GAME_HOOKS_H_
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#define _INCLUDE_SOURCEMOD_PROVIDER_GAME_HOOKS_H_
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// Needed for CEntityIndex, edict_t, etc.
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#include <stdint.h>
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#include <stddef.h>
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#include <eiface.h>
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#include <iserverplugin.h>
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#include <amtl/am-refcounting.h>
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#include <amtl/am-vector.h>
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#include <amtl/am-function.h>
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class ConVar;
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class CCommand;
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struct CCommandContext;
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#if SOURCE_ENGINE >= SE_ORANGEBOX
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# define DISPATCH_ARGS const CCommand &command
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# define DISPATCH_PROLOGUE
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#else
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# define DISPATCH_ARGS
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# define DISPATCH_PROLOGUE CCommand command
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#endif
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namespace SourceMod {
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// Describes the mechanism in which client cvar queries are implemented.
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enum class ClientCvarQueryMode {
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Unavailable,
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DLL,
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VSP
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};
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class ICommandArgs;
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class CommandHook : public ke::Refcounted<CommandHook>
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{
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public:
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// return false to RETURN_META(MRES_IGNORED), or true to SUPERCEDE.
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typedef ke::Lambda<bool(int, const ICommandArgs *)> Callback;
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public:
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CommandHook(ConCommand *cmd, const Callback &callback, bool post);
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~CommandHook();
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void Dispatch(DISPATCH_ARGS);
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void Zap();
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private:
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int hook_id_;
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Callback callback_;
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};
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class GameHooks
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{
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public:
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GameHooks();
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void Start();
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void Shutdown();
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void OnVSPReceived();
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ClientCvarQueryMode GetClientCvarQueryMode() const {
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return client_cvar_query_mode_;
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}
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public:
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ke::RefPtr<CommandHook> AddCommandHook(ConCommand *cmd, const CommandHook::Callback &callback);
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ke::RefPtr<CommandHook> AddPostCommandHook(ConCommand *cmd, const CommandHook::Callback &callback);
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int CommandClient() const {
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return last_command_client_;
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}
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private:
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// Static callback that Valve's ConVar object executes when the convar's value changes.
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#if SOURCE_ENGINE >= SE_ORANGEBOX
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static void OnConVarChanged(ConVar *pConVar, const char *oldValue, float flOldValue);
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#else
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static void OnConVarChanged(ConVar *pConVar, const char *oldValue);
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#endif
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// Callback for when StartQueryCvarValue() has finished.
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#if SOURCE_ENGINE != SE_DARKMESSIAH
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void OnQueryCvarValueFinished(QueryCvarCookie_t cookie, edict_t *pPlayer, EQueryCvarValueStatus result,
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const char *cvarName, const char *cvarValue);
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#endif
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void SetCommandClient(int client);
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private:
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class HookList : public ke::Vector<int>
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{
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public:
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HookList &operator += (int hook_id) {
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this->append(hook_id);
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return *this;
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}
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};
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HookList hooks_;
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ClientCvarQueryMode client_cvar_query_mode_;
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int last_command_client_;
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};
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} // namespace SourceMod
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#endif // _INCLUDE_SOURCEMOD_PROVIDER_GAME_HOOKS_H_
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