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#include "KingSystem/Resource/resCache.h"
#include <prim/seadScopedLock.h>
#include "KingSystem/Resource/resCacheCriticalSection.h"
#include "KingSystem/Resource/resControlTask.h"
#include "KingSystem/Resource/resResourceMgrTask.h"
#include "KingSystem/Resource/resSystem.h"
#include "KingSystem/Utils/Debug.h"
namespace ksys::res {
Cache::Cache() = default;
void Cache::init() {}
ResourceUnit* Cache::findUnit(const util::StrTreeMapNode::KeyType& key) const {
auto lock = sead::makeScopedLock(gCacheCriticalSection);
ResourceUnitMapNode* node = mMap.find(key);
return node ? node->getUnit() : nullptr;
}
Handle::Status Cache::loadResource(const ControlTaskData& data) {
auto* handle = data.mResHandle;
if (handle->isLinked()) {
stubbedLogFunction();
return Handle::Status::_8;
}
{
const auto path = data.mResLoadReq.mPath;
ResourceUnit* unit = data.mPackResUnit;
auto lock = sead::makeScopedLock(gCacheCriticalSection);
bool remove_from_cache_if_needed = true;
if (!unit) {
unit = findUnit(path);
remove_from_cache_if_needed = [&] {
if (!unit)
return false;
if (unit->mStatusFlags.isOn(ResourceUnit::StatusFlag::_80)) {
unit->removeFromCache();
if (returnFalse())
stubbedLogFunction();
return false;
}
if (unit->isStatusFlag10000Set()) {
unit->removeFromCache();
return false;
}
if (unit->isStatus0()) {
sead::FormatFixedSafeString<256> message("↓↓↓\nリソース名 : %s\n↑↑↑\n",
path.cstr());
util::PrintDebug(message);
return false;
}
return true;
}();
}
if (remove_from_cache_if_needed) {
const bool removed = unit->removeTask3FromQueue();
if (unit->isLinkedToResourceMgr()) {
unit->removeFromCache();
} else if (removed) {
unit->updateStatus();
unit->attachHandle(handle);
return unit->getRefCount() == 1 ? Handle::Status::_6 : Handle::Status::_5;
}
}
}
if (data.mHasResLoadReq)
return Handle::Status::_8;
ResourceUnit* result;
{
sead::FixedSafeString<128 + 7> new_path;
sead::SafeString path = data.mResLoadReq.mPath;
bool set_flag_4 = false;
if (data.mResLoadReq.mLoadCompressed) {
auto it = data.mResLoadReq.mPath.rfindIterator(".");
if (it.getIndex() == -1)
return Handle::Status::_1;
++it;
sead::SafeString extension;
extension = &*it;
set_flag_4 = ResourceMgrTask::instance()->dropSFromExtensionIfNeeded(
data.mResLoadReq.mPath, new_path, it.getIndex() - 1, extension);
}
if (!new_path.isEmpty())
path = new_path;
ResourceUnit::InitArg init_arg(false, false, set_flag_4, data.mResLoadReq._26,
data.mResLoadReq._28, handle, this, nullptr, nullptr,
&data.mResLoadReq, data.mResLoadReq.mArena,
data.mResLoadReq.mBufferSize, path);
ResourceMgrTask::GetUnitArg arg;
arg.unit_init_arg = &init_arg;
arg.arena = data.mResLoadReq.mArena;
result = ResourceMgrTask::instance()->clearCachesAndGetUnit(arg);
}
if (!result)
return Handle::Status::_3;
{
auto lock = sead::makeScopedLock(gCacheCriticalSection);
mMap.insert(&result->mMapNode);
result->setIsLinkedToCache(true);
}
u8 lane_id = 0xff;
if (data.mResLoadReq.mLaneId <= 2) {
const bool x = result->mStatusFlags.isOn(ResourceUnit::StatusFlag::LoadFromArchive);
#ifdef MATCHING_HACK_NX_CLANG
// This makes absolutely no sense at all, but this prevents InstCombine from
// turning (x & 0x20) >> 5 into (x >> 5) & 1 by adding a fake-use.
// LLVM (4.0.1 at least) doesn't do anything with this piece of information
// so the conditional still works fine.
__builtin_assume(x);
#endif
lane_id = 2 * data.mResLoadReq.mLaneId + (x ? 1 : 2);
}
ResourceUnit::RequestInitLoadArg load_arg;
load_arg.lane_id = lane_id;
load_arg.has_handle = data.mResLoadReq._8;
result->requestInitLoad(load_arg);
return Handle::Status::_7;
}
void Cache::eraseUnit(ResourceUnit* unit) {
auto lock = sead::makeScopedLock(gCacheCriticalSection);
if (unit->isLinkedToCache()) {
mMap.erase(unit->getCacheKey());
unit->setIsLinkedToCache(false);
}
}
void Cache::removeUnitAndClearCache_(ResourceUnit* unit) {
unit->mStatusFlags.reset(ResourceUnit::StatusFlag::_20000);
if (unit->isStatusFlag8000Set()) {
ResourceMgrTask::instance()->deregisterUnit(unit);
ResourceMgrTask::instance()->requestClearCache(&unit);
}
}
namespace detail::cache {
struct ForEachContextData {
ForEachContextData() = default;
virtual ~ForEachContextData() = default;
virtual void invoke(const util::StrTreeMapKey&, ResourceUnit*& value) {
(value->getCache()->*fn)(value);
}
void (Cache::*fn0)(ResourceUnit* unit);
void (Cache::*fn)(ResourceUnit* unit);
};
KSYS_CHECK_SIZE_NX150(ForEachContextData, 0x28);
struct ForEachContext {
void deleteUnit(util::StrTreeMapNode* node_) {
auto* node = static_cast<ResourceUnitMapNode*>(node_);
data->invoke(node->key(), node->getUnit());
}
ForEachContextData* data;
};
KSYS_CHECK_SIZE_NX150(ForEachContext, 0x8);
} // namespace detail::cache
void Cache::eraseUnits() {
using namespace detail::cache;
ForEachContextData data{};
data.fn = &Cache::removeUnitAndClearCache_;
auto lock = sead::makeScopedLock(gCacheCriticalSection);
ForEachContext context{&data};
sead::Delegate1<ForEachContext, util::StrTreeMapNode*> delegate{&context,
&ForEachContext::deleteUnit};
mMap.forEach(delegate);
}
} // namespace ksys::res
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