Added support for handling SMSG_NPC_COMMAND

This only adds support for the NPC_CLOSE_DIALOG and
NPC_CLEAR_DIALOG sub-commands.

Closes #47

4 files changed, 94 insertions, 26 deletions

diff --git a/src/event.h b/src/event.h
index d20f172f..0fc0c1ef 100644
--- a/src/event.h
+++ b/src/event.h
@@ -63,8 +63,10 @@ public:
     {
         Announcement,
         Being,
+        ClearDialog,
         Close,
         CloseAll,
+        CloseDialog,
         CloseSent,
         ConfigOptionChanged,
         Constructed,
diff --git a/src/gui/npcdialog.cpp b/src/gui/npcdialog.cpp
index 0ad9e959..4efa29eb 100644
--- a/src/gui/npcdialog.cpp
+++ b/src/gui/npcdialog.cpp
@@ -586,6 +586,11 @@ void NpcEventListener::event(Event::Channel channel,
 
         dialog->showNextButton();
     }
+    else if (event.getType() == Event::ClearDialog)
+    {
+        if (NpcDialog *dialog = getDialog(event.getInt("id"), false))
+            dialog->setText(std::string());
+    }
     else if (event.getType() == Event::Close)
     {
         int id = event.getInt("id");
@@ -600,6 +605,11 @@ void NpcEventListener::event(Event::Channel channel,
 
         dialog->showCloseButton();
     }
+    else if (event.getType() == Event::CloseDialog)
+    {
+        if (NpcDialog *dialog = getDialog(event.getInt("id"), false))
+            dialog->setVisible(false);
+    }
     else if (event.getType() == Event::CloseAll)
     {
         NpcDialog::closeAll();
diff --git a/src/net/tmwa/npchandler.cpp b/src/net/tmwa/npchandler.cpp
index 9bd15572..aeb8cf95 100644
--- a/src/net/tmwa/npchandler.cpp
+++ b/src/net/tmwa/npchandler.cpp
@@ -36,7 +36,7 @@
 
 extern Net::NpcHandler *npcHandler;
 
-static void parseMenu(Event *event, const std::string &options)
+static void parseMenu(Event &event, const std::string &options)
 {
     std::istringstream iss(options);
 
@@ -45,10 +45,10 @@ static void parseMenu(Event *event, const std::string &options)
     while (getline(iss, tmp, ':'))
     {
         count++;
-        event->setString("choice" + toString(count), tmp);
+        event.setString("choice" + toString(count), tmp);
     }
 
-    event->setInt("choiceCount", count);
+    event.setInt("choiceCount", count);
 }
 
 namespace TmwAthena {
@@ -60,6 +60,7 @@ NpcHandler::NpcHandler()
         SMSG_NPC_MESSAGE,
         SMSG_NPC_NEXT,
         SMSG_NPC_CLOSE,
+        SMSG_NPC_COMMAND,
         SMSG_NPC_INT_INPUT,
         SMSG_NPC_STR_INPUT,
         0
@@ -76,54 +77,92 @@ void NpcHandler::handleMessage(MessageIn &msg)
     }
 
     int npcId = msg.readInt32();
-    Event *event = nullptr;
 
     switch (msg.getId())
     {
     case SMSG_NPC_CHOICE:
-        event = new Event(Event::Menu);
-        event->setInt("id", npcId);
+    {
+        Event event { Event::Menu };
+        event.setInt("id", npcId);
         parseMenu(event, msg.readString(msg.getLength() - 8));
-        event->trigger(Event::NpcChannel);
+        event.trigger(Event::NpcChannel);
         break;
+    }
 
     case SMSG_NPC_MESSAGE:
-        event = new Event(Event::Message);
-        event->setInt("id", npcId);
-        event->setString("text", msg.readString(msg.getLength() - 8));
-        event->trigger(Event::NpcChannel);
+    {
+        Event event { Event::Message };
+        event.setInt("id", npcId);
+        event.setString("text", msg.readString(msg.getLength() - 8));
+        event.trigger(Event::NpcChannel);
         break;
+    }
 
-     case SMSG_NPC_CLOSE:
+    case SMSG_NPC_CLOSE:
+    {
         // Show the close button
-        event = new Event(Event::Close);
-        event->setInt("id", npcId);
-        event->trigger(Event::NpcChannel);
+        Event event { Event::Close };
+        event.setInt("id", npcId);
+        event.trigger(Event::NpcChannel);
+        break;
+    }
+
+    case SMSG_NPC_COMMAND:
+    {
+        auto command = msg.readInt16();
+        msg.readInt32(); // id
+        msg.readInt16(); // x
+        msg.readInt16(); // y
+
+        switch (command)
+        {
+        case NPC_CLOSE_DIALOG:
+        {
+            Event event { Event::CloseDialog };
+            event.setInt("id", npcId);
+            event.trigger(Event::NpcChannel);
+            break;
+        }
+
+        case NPC_CLEAR_DIALOG:
+        {
+            Event event { Event::ClearDialog };
+            event.setInt("id", npcId);
+            event.trigger(Event::NpcChannel);
+            break;
+        }
+        }
+
         break;
+    }
 
     case SMSG_NPC_NEXT:
+    {
         // Show the next button
-        event = new Event(Event::Next);
-        event->setInt("id", npcId);
-        event->trigger(Event::NpcChannel);
+        Event event { Event::Next };
+        event.setInt("id", npcId);
+        event.trigger(Event::NpcChannel);
         break;
+    }
 
     case SMSG_NPC_INT_INPUT:
+    {
         // Request for an integer
-        event = new Event(Event::IntegerInput);
-        event->setInt("id", npcId);
-        event->trigger(Event::NpcChannel);
+        Event event { Event::IntegerInput };
+        event.setInt("id", npcId);
+        event.trigger(Event::NpcChannel);
         break;
+    }
 
     case SMSG_NPC_STR_INPUT:
+    {
         // Request for a string
-        event = new Event(Event::StringInput);
-        event->setInt("id", npcId);
-        event->trigger(Event::NpcChannel);
+        Event event { Event::StringInput };
+        event.setInt("id", npcId);
+        event.trigger(Event::NpcChannel);
         break;
     }
-
-    delete event;
+    }
 
     if (local_player->getCurrentAction() != Being::SIT)
         local_player->setAction(Being::STAND);
diff --git a/src/net/tmwa/protocol.h b/src/net/tmwa/protocol.h
index ea3d430e..e50948c5 100644
--- a/src/net/tmwa/protocol.h
+++ b/src/net/tmwa/protocol.h
@@ -60,6 +60,23 @@ enum
     SPRITE_VECTOREND
 };
 
+enum NpcCommand
+{
+    NPC_REQUEST_LANG = 0,
+    NPC_CAMERA_ACTOR = 1,
+    NPC_CAMERA_POS = 2,
+    NPC_CAMERA_RESTORE = 3,
+    NPC_CAMERA_RELATIVE = 4,
+    NPC_CLOSE_DIALOG = 5,
+    NPC_SHOW_AVATAR = 6,
+    NPC_SET_AVATAR_DIRECTION = 7,
+    NPC_SET_AVATAR_ACTION = 8,
+    NPC_CLEAR_DIALOG = 9,
+    NPC_REQUEST_ITEM = 10,
+    NPC_REQUEST_ITEM_INDEX = 11,
+    NPC_REQUEST_ITEMS = 12,
+};
+
 static const int INVENTORY_OFFSET = 2;
 static const int STORAGE_OFFSET = 1;