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#pragma once
#include <basis/seadTypes.h>
#include <container/seadSafeArray.h>
#include <heap/seadDisposer.h>
#include <prim/seadScopeGuard.h>
#include <prim/seadScopedLock.h>
#include <thread/seadAtomic.h>
#include <thread/seadCriticalSection.h>
#include "KingSystem/Utils/Types.h"
namespace ksys::act {
class ActorLinkConstDataAccess;
class BaseProc;
class BaseProcLinkData;
class BaseProcLink {
public:
BaseProcLink();
~BaseProcLink() { reset(); }
BaseProcLink& operator=(const BaseProcLink& rhs);
bool operator==(const BaseProcLink& rhs) const;
bool operator!=(const BaseProcLink& rhs) const { return !operator==(rhs); }
explicit operator bool() const { return hasProc(); }
bool hasProc() const;
bool hasProcInCalcState() const;
bool hasProcById(BaseProc* proc) const;
BaseProc* getProc(ActorLinkConstDataAccess* accessor, BaseProc* other_proc) const;
BaseProc* getProc(ActorLinkConstDataAccess* accessor) const;
/// Acquire the specified BaseProc.
/// If a BaseProc has already been specified, it is released.
///
/// @param acquire_immediately If true, the BaseProc's reference count is immediately
/// incremented. Otherwise, full acquisition is delayed until
/// the next call to getProc(accessor[, proc]).
bool acquire(BaseProc* proc, bool acquire_immediately);
void reset();
bool isAccessingSpecifiedProcUnsafe(BaseProc* other) const;
template <typename Function>
auto getProcInContext(const Function& function) const;
private:
static constexpr u32 cInvalidId = -1;
BaseProc* getProc() const;
BaseProcLinkData* mData = nullptr;
u32 mId = cInvalidId;
bool mAcquired = false;
};
KSYS_CHECK_SIZE_NX150(BaseProcLink, 0x10);
class BaseProcLinkData {
public:
u32 id() const { return mId; }
s32 refCount() const { return mRefCount; }
/// Get the stored BaseProc.
BaseProc* getProc() const { return mProc; }
/// Get the stored BaseProc or nullptr if its ID or state are unexpected.
/// @param id The expected ID.
/// @param allow_deleted Whether to allow the BaseProc to be in the Delete state.
BaseProc* getProc(u32 id, bool allow_deleted) const;
/// Locks the critical section if on a low priority thread and returns it;
/// unlocking it is the responsibility of the caller.
/// Returns nullptr if on a high priority thread. In that case, nothing needs to be done.
sead::CriticalSection* lockIfNeeded();
private:
friend class BaseProcLink;
friend class BaseProcLinkDataMgr;
sead::CriticalSection mCS;
u32 mId = -1;
BaseProc* mProc = nullptr;
sead::Atomic<s32> mRefCount = 0;
};
KSYS_CHECK_SIZE_NX150(BaseProcLinkData, 0x58);
class BaseProcLinkDataMgr {
SEAD_SINGLETON_DISPOSER(BaseProcLinkDataMgr)
BaseProcLinkDataMgr() = default;
public:
bool acquireLink(BaseProc* proc);
bool releaseLink(BaseProc* proc);
private:
sead::CriticalSection mCS;
s32 mIndex = 0;
sead::SafeArray<BaseProcLinkData, 2048> mData{};
};
KSYS_CHECK_SIZE_NX150(BaseProcLinkDataMgr, 0x2C068);
inline BaseProc* BaseProcLink::getProc() const {
return mData->getProc(mId, mAcquired);
}
template <typename Function>
inline auto BaseProcLink::getProcInContext(const Function& function) const {
if (mId == cInvalidId)
return function(nullptr, false);
const auto guard = sead::makeScopeGuard([crit_section = mData->lockIfNeeded()] {
if (crit_section)
crit_section->unlock();
});
return function(getProc(), true);
}
} // namespace ksys::act
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