ksys/res: Start adding ResourceUnit and Cache

1 files changed, 25 insertions, 0 deletions

diff --git a/src/KingSystem/Resource/resCache.cpp b/src/KingSystem/Resource/resCache.cpp
new file mode 100644
index 00000000..4f7abb62
--- /dev/null
+++ b/src/KingSystem/Resource/resCache.cpp
@@ -0,0 +1,25 @@
+#include "KingSystem/Resource/resCache.h"
+#include <prim/seadScopedLock.h>
+#include "KingSystem/Resource/resCacheCriticalSection.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;
+}
+
+void Cache::eraseUnit(ResourceUnit* unit) {
+    auto lock = sead::makeScopedLock(gCacheCriticalSection);
+    if (unit->isLinkedToCache()) {
+        mMap.erase(unit->getCacheKey());
+        unit->setIsLinkedToCache(false);
+    }
+}
+
+}  // namespace ksys::res