sourcemod/core/EventManager.h
Scott Ehlert 68f40e96f2 Initial import of event stuff: Natives to hook and fire game events
Also made some minor internal changes to convars

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40582
2007-03-04 04:05:03 +00:00

120 lines
3.1 KiB
C++

/**
* ===============================================================
* SourceMod (C)2004-2007 AlliedModders LLC. All rights reserved.
* ===============================================================
*
* This file is not open source and may not be copied without explicit
* written permission of AlliedModders LLC. This file may not be redistributed
* in whole or significant part.
* For information, see LICENSE.txt or http://www.sourcemod.net/license.php
*
* Version: $$
*/
#ifndef _INCLUDE_SOURCEMOD_CGAMEEVENTMANAGER_H_
#define _INCLUDE_SOURCEMOD_CGAMEEVENTMANAGER_H_
#include "sm_globals.h"
#include "sourcemm_api.h"
#include "sm_trie.h"
#include <sh_list.h>
#include <IHandleSys.h>
#include <IForwardSys.h>
#include <IPluginSys.h>
using namespace SourceHook;
//#define EVENT_PASSTHRU (1<<0)
#define EVENT_PASSTHRU_ALL (1<<1)
struct EventInfo
{
IGameEvent *pEvent;
bool canDelete;
};
struct EventHook
{
EventHook()
{
pPreHook = NULL;
pPostHook = NULL;
postCopy = false;
refCount = 0;
}
IChangeableForward *pPreHook;
IChangeableForward *pPostHook;
bool postCopy;
unsigned int refCount;
};
enum EventHookMode
{
EventHookMode_Pre,
EventHookMode_Post,
EventHookMode_PostNoCopy
};
enum EventHookError
{
EventHookErr_Okay = 0, /**< No error */
EventHookErr_InvalidEvent, /**< Specified event does not exist */
EventHookErr_NotActive, /**< Specified event has no active hook */
EventHookErr_InvalidCallback, /**< Specified event does not fire specified callback */
};
class EventManager :
public SMGlobalClass,
public IHandleTypeDispatch,
public IPluginsListener,
public IGameEventListener2
{
public:
EventManager();
~EventManager();
public: // SMGlobalClass
void OnSourceModAllInitialized();
void OnSourceModShutdown();
public: // IHandleTypeDispatch
void OnHandleDestroy(HandleType_t type, void *object);
public: // IPluginsListener
void OnPluginUnloaded(IPlugin *plugin);
public: // IGameEventListener2
void FireGameEvent(IGameEvent *pEvent);
public:
/**
* Get the 'GameEvent' handle type ID.
*/
inline HandleType_t GetHandleType()
{
return EventManager::m_EventType;
}
/**
* Sets the current SourceMod event notification state.
*
* If notify is set to true, SourceMod plugins will be notified of events. If false, they will not.
* This is temporarily used to make EVENT_PASSTHRU work when firing events from plugins.
*/
inline void SetNotifyState(bool notify)
{
m_NotifyState = notify;
}
public:
EventHookError HookEvent(const char *name, IPluginFunction *pFunction, EventHookMode mode=EventHookMode_Post);
EventHookError UnhookEvent(const char *name, IPluginFunction *pFunction, EventHookMode mode=EventHookMode_Post);
private: // IGameEventManager2 hooks
bool OnFireEvent(IGameEvent *pEvent, bool bDontBroadcast);
bool OnFireEvent_Post(IGameEvent *pEvent, bool bDontBroadcast);
private:
HandleType_t m_EventType;
Trie *m_EventHooks;
bool m_NotifyState;
IGameEvent *m_EventCopy;
const char *m_EventName;
};
extern EventManager g_EventManager;
#endif // _INCLUDE_SOURCEMOD_CGAMEEVENTMANAGER_H_