3 files changed, 52 insertions, 0 deletions
diff --git a/src/map/clif.cpp b/src/map/clif.cpp
index bd7f4ef..0ae8fbe 100644
--- a/src/map/clif.cpp
+++ b/src/map/clif.cpp
@@ -3921,6 +3921,24 @@ void clif_remote_command(dumb_ptr<map_session_data> sd, XString cmd)
     clif_send(buf, sd, SendWho::SELF, wrap<ClientVersion>(6));
 }
 
+void clif_update_collision(dumb_ptr<map_session_data> sd, short x1, short y1,
+                           short x2, short y2, MapName map_name, int mask)
+{
+    nullpo_retv(sd);
+
+    Packet_Fixed<0x0231> fixed_231;
+    fixed_231.x1 = x1;
+    fixed_231.y1 = y1;
+    fixed_231.x2 = x2;
+    fixed_231.y2 = y2;
+    fixed_231.mask = mask;
+    fixed_231.unused_layer = 0;
+    fixed_231.map = map_name;
+    Buffer buf = create_fpacket<0x0231, 34>(fixed_231);
+
+    clif_send(buf, sd, SendWho::SELF, wrap<ClientVersion>(7));
+}
+
 void clif_change_music(dumb_ptr<map_session_data> sd, XString music)
 {
     nullpo_retv(sd);
diff --git a/src/map/clif.hpp b/src/map/clif.hpp
index 4783290..1d6365d 100644
--- a/src/map/clif.hpp
+++ b/src/map/clif.hpp
@@ -107,6 +107,7 @@ void clif_setnpcdirection_towards(dumb_ptr<map_session_data> sd, dumb_ptr<npc_da
 void clif_npc_send_title(Session *s, BlockId npcid, XString msg);
 void clif_server_message(dumb_ptr<map_session_data>, uint8_t, XString msg);
 void clif_remote_command(dumb_ptr<map_session_data>, XString);
+void clif_update_collision(dumb_ptr<map_session_data>, short, short, short, short, MapName, int);
 void clif_change_music(dumb_ptr<map_session_data> sd, XString music);
 void clif_npc_action(dumb_ptr<map_session_data>, BlockId, short, int, short, short);
 void clif_send_mask(dumb_ptr<map_session_data>, int);
diff --git a/src/map/script-fun.cpp b/src/map/script-fun.cpp
index 98c07ed..74045f2 100644
--- a/src/map/script-fun.cpp
+++ b/src/map/script-fun.cpp
@@ -4187,6 +4187,38 @@ void builtin_remotecmd(ScriptState *st)
 }
 
 static
+void builtin_sendcollision(ScriptState *st)
+{
+    dumb_ptr<map_session_data> sd = script_rid2sd(st);
+    MapName map_name = stringish<MapName>(ZString(conv_str(st, &AARG(0))));
+    int mask = conv_num(st, &AARG(1));
+    short x1, y1, x2, y2;
+    x1 = x2 = conv_num(st, &AARG(2));
+    y1 = y2 = conv_num(st, &AARG(3));
+
+    if (HARG(5))
+    {
+        x2 = conv_num(st, &AARG(4));
+        y2 = conv_num(st, &AARG(5));
+        if (HARG(6))
+        {
+            CharName player = stringish<CharName>(ZString(conv_str(st, &AARG(6))));
+            sd = map_nick2sd(player);
+        }
+    }
+
+    else if (HARG(4))
+    {
+        CharName player = stringish<CharName>(ZString(conv_str(st, &AARG(4))));
+        sd = map_nick2sd(player);
+    }
+
+    if (sd == nullptr)
+        return;
+    clif_update_collision(sd, x1, y1, x2, y2, map_name, mask);
+}
+
+static
 void builtin_music(ScriptState *st)
 {
     dumb_ptr<map_session_data> sd = script_rid2sd(st);
@@ -4818,6 +4850,7 @@ BuiltinFunction builtin_functions[] =
     BUILTIN(title, "s"_s, '\0'),
     BUILTIN(smsg, "e??"_s, '\0'),
     BUILTIN(remotecmd, "s?"_s, '\0'),
+    BUILTIN(sendcollision, "Mixy???"_s, '\0'),
     BUILTIN(music, "s"_s, '\0'),
     BUILTIN(mapmask, "i?"_s, '\0'),
     BUILTIN(getmask, ""_s, 'i'),