action: Implement Fork

src/Game/AI/Action/actionFork.cpp

@@ -11,7 +11,8 @@ bool Fork::init_(sead::Heap* heap) {
 }
 
 void Fork::enter_(ksys::act::ai::InlineParamPack* params) {
-    ksys::act::ai::Action::enter_(params);
+    if (*mIsChangeable_s)
+        mFlags.set(Flag::_4);
 }
 
 void Fork::leave_() {
@@ -27,4 +28,18 @@ void Fork::calc_() {
     ksys::act::ai::Action::calc_();
 }
 
+void Fork::setEndState() {
+    switch (*mEndState_s) {
+    case 0:
+        setFinished();
+        break;
+    case 1:
+        setFailed();
+        break;
+    case 2:
+        mFlags.set(ksys::act::ai::ActionBase::Flag::_4);
+        break;
+    }
+}
+
 }  // namespace uking::action

src/Game/AI/Action/actionFork.h

@@ -16,6 +16,8 @@ public:
     void loadParams_() override;
 
 protected:
+    void setEndState();
+
     void calc_() override;
 
     // static_param at offset 0x20