ksys/act: Start adding Behavior

src/KingSystem/ActorSystem/CMakeLists.txt

@@ -27,6 +27,8 @@ target_sources(uking PRIVATE
   actAiActionBase.h
   actAiAi.cpp
   actAiAi.h
+  actAiBehavior.cpp
+  actAiBehavior.h
   actAiClassDef.cpp
   actAiClassDef.h
   actAiParam.cpp

src/KingSystem/ActorSystem/actAiBehavior.cpp

@@ -0,0 +1,8 @@
+#include "KingSystem/ActorSystem/actAiBehavior.h"
+
+namespace ksys::act::ai {
+
+Behavior::Behavior(const InitArg& arg)
+    : mActor(arg.actor), mDefIdx(static_cast<u16>(arg.def_idx)) {}
+
+}  // namespace ksys::act::ai

src/KingSystem/ActorSystem/actAiBehavior.h

@@ -0,0 +1,48 @@
+#pragma once
+
+#include <basis/seadTypes.h>
+#include <prim/seadRuntimeTypeInfo.h>
+#include "KingSystem/Utils/Types.h"
+
+namespace ksys::act {
+class Actor;
+}
+
+namespace ksys::act::ai {
+
+class Behavior {
+    SEAD_RTTI_BASE(Behavior)
+
+public:
+    struct InitArg {
+        Actor* actor;
+        /// The index of the behavior definition in the actor's AI program.
+        s32 def_idx;
+    };
+    KSYS_CHECK_SIZE_NX150(InitArg, 0x10);
+
+    explicit Behavior(const InitArg& arg);
+    virtual ~Behavior() = default;
+
+    virtual bool m4() { return false; }
+    virtual bool m5() { return false; }
+    virtual bool m6() { return true; }
+    virtual void m7() {}
+    virtual void m8() {}
+    virtual void m9() {}
+    virtual void m10() {}
+    virtual void m11() {}
+    virtual bool m12() { return true; }
+    virtual void m13() {}
+
+protected:
+    Actor* mActor{};
+    u16 mDefIdx{};
+    u8 _12{};
+    u8 _13{};
+    void* _18{};
+    void* _20{};
+};
+KSYS_CHECK_SIZE_NX150(Behavior, 0x28);
+
+}  // namespace ksys::act::ai