From 856f57d7fb05806cd676112a389ecf8be5ecf54e Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Fri, 1 May 2015 16:17:42 +0300
Subject: Add script command for send chat command to client.

New script command: clientCommand chatcommand args
---
 src/map/init.c   |  1 +
 src/map/script.c | 21 +++++++++++++++++++++
 src/map/script.h |  1 +
 src/map/send.c   | 15 +++++++++++++++
 src/map/send.h   |  1 +
 5 files changed, 39 insertions(+)

diff --git a/src/map/init.c b/src/map/init.c
index 5327532..e19224a 100644
--- a/src/map/init.c
+++ b/src/map/init.c
@@ -109,6 +109,7 @@ HPExport void plugin_init (void)
     addScriptCommand("areatimer", "siiiii*", areaTimer);
     addScriptCommand("getareadropitem", "siiiiv*", getAreaDropItem);
     addScriptCommand("setmount", "?", setMount);
+    addScriptCommand("clientcommand", "s", clientCommand);
 
     do_init_langs();
 
diff --git a/src/map/script.c b/src/map/script.c
index b321541..fd54d5b 100644
--- a/src/map/script.c
+++ b/src/map/script.c
@@ -1097,3 +1097,24 @@ BUILDIN(setMount)
 
     return true;
 }
+
+BUILDIN(clientCommand)
+{
+    TBL_PC* sd = script->rid2sd(st);
+
+    if (sd == NULL)
+    {
+        ShowWarning("player not attached\n");
+        script->reportsrc(st);
+        return false;
+    }
+    const char *const command = script_getstr(st, 2);
+    if (!command)
+    {
+        ShowWarning("invalid client command\n");
+        script->reportsrc(st);
+        return false;
+    }
+    send_client_command(sd, command);
+    return true;
+}
diff --git a/src/map/script.h b/src/map/script.h
index b9247b3..24210a1 100644
--- a/src/map/script.h
+++ b/src/map/script.h
@@ -40,5 +40,6 @@ BUILDIN(isPcDead);
 BUILDIN(areaTimer);
 BUILDIN(getAreaDropItem);
 BUILDIN(setMount);
+BUILDIN(clientCommand);
 
 #endif  // EVOL_MAP_SCRIPT
diff --git a/src/map/send.c b/src/map/send.c
index 6fa91fa..b9d826e 100644
--- a/src/map/send.c
+++ b/src/map/send.c
@@ -288,3 +288,18 @@ void send_online_list(int fd, const char *buf, unsigned size)
     WFIFOB (fd, size + 4) = 0;
     WFIFOSET (fd, len);
 }
+
+void send_client_command(TBL_PC *sd, const char *const command)
+{
+    struct SessionExt *data = session_get_bysd(sd);
+    if (!data || data->clientVersion < 8)
+        return;
+
+    const unsigned int len = strlen(command);
+    const int fd = sd->fd;
+    WFIFOHEAD (fd, len);
+    WFIFOW (fd, 0) = 0xb16;
+    WFIFOW (fd, 2) = len + 4;
+    memcpy (WFIFOP (fd, 4), command, len);
+    WFIFOSET (fd, len + 4);
+}
diff --git a/src/map/send.h b/src/map/send.h
index ae9f305..efa89ad 100644
--- a/src/map/send.h
+++ b/src/map/send.h
@@ -26,5 +26,6 @@ void send_slave_say(TBL_PC *sd,
                     const char *const name,
                     const char *const message);
 void send_online_list(int fd, const char *buf, unsigned size);
+void send_client_command(TBL_PC *sd, const char *const command);
 
 #endif  // EVOL_MAP_PC
-- 
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