From 37a7b44b49ac709122987715590b3387e1714b2a Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Thu, 6 Sep 2018 20:35:20 +0300
Subject: Drop support for client version 17.

---
 src/elogin/parse.c |  4 ++--
 src/emap/clif.c    | 47 ++++-------------------------------------------
 src/emap/send.c    |  2 +-
 3 files changed, 7 insertions(+), 46 deletions(-)

(limited to 'src')

diff --git a/src/elogin/parse.c b/src/elogin/parse.c
index 7ecdf13..a03905a 100644
--- a/src/elogin/parse.c
+++ b/src/elogin/parse.c
@@ -35,7 +35,7 @@ void login_parse_version(int fd)
     clientVersion = RFIFOL(fd, 2);
 
     // check for minimal supported version
-    if (clientVersion < 17)
+    if (clientVersion < 18)
     {
         lclif->login_error(fd, 5);
         return;
@@ -60,7 +60,7 @@ bool elogin_client_login_pre(int *fdPtr,
     safestrncpy(username, RFIFOP(fd, 6), NAME_LENGTH);
     int len = (int)safestrnlen(username, NAME_LENGTH);
     // check for minimal supported version
-    if (clientVersion < 17)
+    if (clientVersion < 18)
     {
         lclif->login_error(fd, 5);
         hookStop();
diff --git a/src/emap/clif.c b/src/emap/clif.c
index a5ff9cb..b2131bc 100644
--- a/src/emap/clif.c
+++ b/src/emap/clif.c
@@ -534,28 +534,12 @@ int eclif_send_actual_pre(int *fd,
             hookStop();
             return 0;
         }
-        if (packet == 0xb1e + evolPacketOffset)
-        {
-            struct SessionExt *data = session_get(*fd);
-            if (!data)
-                return 0;
-            if (data->clientVersion < 18)
-            {   // not sending new packets to old clients
-//                ShowWarning("skip packet %d\n", packet);
-                hookStop();
-                return 0;
-            }
-        }
         if (packet == 0x7fb)
         {
-            struct SessionExt *data = session_get(*fd);
-            if (!data)
-                return 0;
-            if (data->clientVersion >= 18)
-            {   // not sending old packets to new clients
-                hookStop();
-                return 0;
-            }
+            // not sending old packets to new clients
+            // probably useless?
+            hookStop();
+            return 0;
         }
         if (packet == 0x9cb)
         {
@@ -1020,11 +1004,6 @@ void eclif_skillinfoblock_pre(struct map_session_data **sdPtr)
 {
     struct map_session_data *sd = *sdPtr;
     nullpo_retv(sd);
-    struct SessionExt *data = session_get_bysd(sd);
-    if (!data)
-        return;
-    if (data->clientVersion < 18)
-        return;
 
     int fd = sd->fd;
     if (!fd)
@@ -1088,13 +1067,6 @@ void eclif_addskill_pre(struct map_session_data **sdPtr,
     struct map_session_data *sd = *sdPtr;
     nullpo_retv(sd);
     int id = *idPtr;
-
-    struct SessionExt *data = session_get_bysd(sd);
-    if (!data)
-        return;
-    if (data->clientVersion < 18)
-        return;
-
     int fd = sd->fd;
     if (!fd)
     {
@@ -1147,12 +1119,6 @@ void eclif_skillinfo_pre(struct map_session_data **sdPtr,
     struct map_session_data *sd = *sdPtr;
     nullpo_retv(sd);
 
-    struct SessionExt *data = session_get_bysd(sd);
-    if (!data)
-        return;
-    if (data->clientVersion < 18)
-        return;
-
     int skill_id = *skill_idPtr;
     int idx = skill->get_index(skill_id);
     Assert_retv(idx >= 0 && idx < MAX_SKILL_DB);
@@ -1216,11 +1182,6 @@ void eclif_parse_WalkToXY(int fd,
         if (unit->walktoxy(&sd->bl, x, y, 4) &&
             sd->ud.state.change_walk_target == 1)
         {
-            struct SessionExt *data = session_get_bysd(sd);
-            if (!data)
-                return;
-            if (data->clientVersion < 18)
-                return;
             send_walk_fail(sd->fd, x, y);
         }
     }
diff --git a/src/emap/send.c b/src/emap/send.c
index 6d1e05e..dd9d7ac 100644
--- a/src/emap/send.c
+++ b/src/emap/send.c
@@ -527,7 +527,7 @@ void send_homun_exp(struct homun_data *hd,
 
     const int fd = hd->master->fd;
     struct SessionExt *data = session_get(fd);
-    if (!data || data->clientVersion < 18)
+    if (!data)
         return;
 
     WFIFOHEAD(fd, 10);
-- 
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