uking: Implement SendMessage action

src/Game/AI/Action/actionSendMessage.cpp

@@ -12,10 +12,17 @@ bool SendMessage::init_(sead::Heap* heap) {
 
 void SendMessage::enter_(ksys::act::ai::InlineParamPack* params) {
     ksys::act::ai::Action::enter_(params);
+    if (*mSendTiming_s == 0)
+        doSendMessage();
+
+    mFlags.set(Flag::_4);
+    setFinished();
 }
 
 void SendMessage::leave_() {
     ksys::act::ai::Action::leave_();
+    if (*mSendTiming_s == 1)
+        doSendMessage();
 }
 
 void SendMessage::loadParams_() {

src/Game/AI/Action/actionSendMessage.h

@@ -17,6 +17,7 @@ public:
 
 protected:
     void calc_() override;
+    virtual void doSendMessage() {}
 
     // static_param at offset 0x20
     const int* mSendTiming_s{};