Merge pull request #110 from mekolat/title

implement set title packet

4 files changed, 45 insertions, 1 deletions

diff --git a/src/map/clif.cpp b/src/map/clif.cpp
index 248f74a..6f55f73 100644
--- a/src/map/clif.cpp
+++ b/src/map/clif.cpp
@@ -3782,6 +3782,20 @@ void clif_message(dumb_ptr<block_list> bl, XString msg)
     clif_send(buf, bl, SendWho::AREA);
 }
 
+void clif_npc_send_title(Session *s, BlockId npcid, XString msg)
+{
+    size_t msg_len = msg.size() + 1;
+    if (msg_len > 50)
+        return;
+
+    Packet_Head<0x0228> head_228;
+    head_228.npc_id = npcid;
+    head_228.string_length = msg_len;
+    Buffer buf = create_vpacket<0x0228, 10, 1>(head_228, msg);
+
+    send_buffer(s, buf);
+}
+
 /*==========================================
  *
  *------------------------------------------
diff --git a/src/map/clif.hpp b/src/map/clif.hpp
index 3cc308c..f067017 100644
--- a/src/map/clif.hpp
+++ b/src/map/clif.hpp
@@ -102,6 +102,7 @@ void clif_sitnpc(dumb_ptr<npc_data> nd, DamageType dmg);
 void clif_sitnpc_towards(dumb_ptr<map_session_data> sd, dumb_ptr<npc_data> nd, DamageType dmg);
 void clif_setnpcdirection(dumb_ptr<npc_data> nd, DIR direction);
 void clif_setnpcdirection_towards(dumb_ptr<map_session_data> sd, dumb_ptr<npc_data> nd, DIR direction);
+void clif_npc_send_title(Session *s, BlockId npcid, XString msg);
 
 // trade
 void clif_traderequest(dumb_ptr<map_session_data> sd, CharName name);
diff --git a/src/map/script-fun.cpp b/src/map/script-fun.cpp
index 8b797c2..fd8498c 100644
--- a/src/map/script-fun.cpp
+++ b/src/map/script-fun.cpp
@@ -2660,6 +2660,16 @@ void builtin_message(ScriptState *st)
 
 }
 
+static
+void builtin_title(ScriptState *st)
+{
+    dumb_ptr<map_session_data> sd = script_rid2sd(st);
+    ZString msg = ZString(conv_str(st, &AARG(0)));
+    if (sd == nullptr)
+        return;
+    clif_npc_send_title(sd->sess, st->oid, msg);
+}
+
 /*==========================================
  * npctalk (sends message to surrounding
  * area) [Valaris]
@@ -3130,6 +3140,7 @@ BuiltinFunction builtin_functions[] =
     BUILTIN(npcareawarp, "xyxyis"_s, '\0'),
     BUILTIN(message, "Ps"_s, '\0'),
     BUILTIN(npctalk, "s"_s, '\0'),
+    BUILTIN(title, "s"_s, '\0'),
     BUILTIN(getlook, "i"_s, 'i'),
     BUILTIN(getsavepoint, "i"_s, '.'),
     BUILTIN(areatimer, "MxyxytE"_s, '\0'),
diff --git a/tools/protocol.py b/tools/protocol.py
index 86b625f..eae8bb2 100755
--- a/tools/protocol.py
+++ b/tools/protocol.py
@@ -4679,7 +4679,25 @@ def build_context():
     )
     # 0x0226 define='SMSG_MAP_MASK',
     # 0x0227 define='SMSG_MAP_MUSIC',
-    # 0x0228 define='SMSG_NPC_CHANGETITLE',
+    map_user.s(0x0228, 'npc change title',
+        define='SMSG_NPC_CHANGETITLE',
+        head=[
+            at(0, u16, 'packet id'),
+            at(2, u16, 'packet length'),
+            at(4, block_id, 'npc id'),
+            at(8, u16, 'string length'),
+        ],
+        head_size=10,
+        repeat=[
+            at(0, u8, 'c'),
+        ],
+        repeat_size=1,
+        pre=[NOTHING],
+        post=[PRETTY],
+        desc='''
+            Change npc title
+        ''',
+    )
 
     # TOC_LOGINCHAR
     # login char