ksys: Add more message system classes

src/KingSystem/Utils/Thread/MessageTransceiverIdGenEx.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <prim/seadRuntimeTypeInfo.h>
+#include <thread/seadAtomic.h>
+#include "KingSystem/Utils/Thread/MessageTransceiverIdGen.h"
+
+namespace ksys {
+
+class MesTransceiverIdGenEx : public MesTransceiverIdGen {
+public:
+    MesTransceiverIdGenEx();
+    ~MesTransceiverIdGenEx() override;
+    bool m1(void*) override;
+    void m2(void* x) override;
+
+    bool checkFlag() const;
+    bool checkCounter() const;
+    void setFlag(bool update_counter);
+
+    void setFlagPointer(u8* ptr);
+    void clearFlagPointer();
+
+    SEAD_RTTI_BASE(MesTransceiverIdGenEx)
+
+protected:
+    virtual bool m6(void* x);
+    virtual void m7(void* x);
+
+private:
+    u8* mFlag{};
+    sead::Atomic<s32> mCounter;
+};
+
+}  // namespace ksys