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o3de/Code/Legacy/CryCommon/StatObjBus.h

71 lines
2.2 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#ifndef CRYINCLUDE_CRYCOMMON_STATOBJBUS_H
#define CRYINCLUDE_CRYCOMMON_STATOBJBUS_H
#include <AzCore/EBus/EBus.h>
#include <AzCore/std/containers/unordered_set.h>
struct IStatObj;
//////////////////////////////////////////////////////////////////////////
//
// Ebus support for handling unique IDs between IStatInstGroup instances.
//
//////////////////////////////////////////////////////////////////////////
using StatInstGroupId = int;
class StatInstGroupEvents
: public AZ::EBusTraits
{
public:
const static StatInstGroupId s_InvalidStatInstGroupId = -1;
virtual ~StatInstGroupEvents() = default;
// AZ::EBusTraits
static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single;
static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Multiple;
using MutexType = AZStd::recursive_mutex;
virtual StatInstGroupId GenerateStatInstGroupId() = 0;
virtual void ReleaseStatInstGroupId(StatInstGroupId statInstGroupId) = 0;
virtual void ReleaseStatInstGroupIdSet(const AZStd::unordered_set<StatInstGroupId>& statInstGroupIdSet) = 0;
virtual void ReserveStatInstGroupIdRange(StatInstGroupId from, StatInstGroupId to) = 0;
};
using StatInstGroupEventBus = AZ::EBus<StatInstGroupEvents>;
//////////////////////////////////////////////////////////////////////////
//
// EBUS support for triggering necessary updates when IStatObj instances
// caches should be updated when 3D Engine events happen during level loads,
// shutting down the application, and so forth
//
//////////////////////////////////////////////////////////////////////////
class InstanceStatObjEvents
: public AZ::EBusTraits
{
public:
virtual ~InstanceStatObjEvents() = default;
// AZ::EBusTraits
static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single;
static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Multiple;
using MutexType = AZStd::recursive_mutex;
virtual void ReleaseData()
{
}
};
using InstanceStatObjEventBus = AZ::EBus<InstanceStatObjEvents>;
#endif // CRYINCLUDE_CRYCOMMON_STATOBJBUS_H
#pragma once