From a6c604b5228b023d638b1d595b80ed2e9ed29234 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Tue, 19 Jul 2016 20:35:13 +0300
Subject: Send inf2 in skill info packet.

---
 src/emap/clif.c | 43 +++++++++++++++++++++++++++++++++++++++++++
 src/emap/clif.h |  3 +++
 src/emap/init.c |  1 +
 3 files changed, 47 insertions(+)

diff --git a/src/emap/clif.c b/src/emap/clif.c
index d0ab8bd..2faf394 100644
--- a/src/emap/clif.c
+++ b/src/emap/clif.c
@@ -1608,3 +1608,46 @@ void eclif_addskill_pre(struct map_session_data **sdPtr,
 
     hookStop();
 }
+
+void eclif_skillinfo_pre(struct map_session_data **sdPtr,
+                         int *skill_idPtr,
+                         int *infPtr)
+{
+    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);
+    int inf = *infPtr;
+
+    const int fd = sd->fd;
+    int skill_lv = sd->status.skill[idx].lv;
+
+    const int sz = 21;
+    WFIFOHEAD(fd, sz);
+    WFIFOW(fd, 0) = 0xb20;
+    WFIFOW(fd, 2) = sz;
+    WFIFOW(fd, 4) = skill_id;
+    WFIFOL(fd, 6) = inf ? inf : skill->get_inf(skill_id);
+    WFIFOL(fd, 10) = skill->get_inf2(skill_id);
+    WFIFOW(fd, 14) = skill_lv;
+    if (skill_lv > 0) {
+        WFIFOW(fd, 16) = skill->get_sp(skill_id, skill_lv);
+        WFIFOW(fd, 18) = skill->get_range2(&sd->bl, skill_id, skill_lv);
+    } else {
+        WFIFOW(fd, 16) = 0;
+        WFIFOW(fd, 18) = 0;
+    }
+    if (sd->status.skill[idx].flag == SKILL_FLAG_PERMANENT)
+        WFIFOB(fd, 20) = (skill_lv < skill->tree_get_max(skill_id, sd->status.class_)) ? 1 : 0;
+    else
+        WFIFOB(fd, 20) = 0;
+    WFIFOSET(fd, sz);
+}
diff --git a/src/emap/clif.h b/src/emap/clif.h
index 5f37b78..9605e7c 100644
--- a/src/emap/clif.h
+++ b/src/emap/clif.h
@@ -96,5 +96,8 @@ void eclif_useskill(struct block_list* bl,
 void eclif_skillinfoblock_pre(struct map_session_data **sdPtr);
 void eclif_addskill_pre(struct map_session_data **sdPtr,
                         int *idPtr);
+void eclif_skillinfo_pre(struct map_session_data **sdPtr,
+                         int *skill_idPtr,
+                         int *infPtr);
 
 #endif  // EVOL_MAP_CLIF
diff --git a/src/emap/init.c b/src/emap/init.c
index 7ce2a7b..9a1234b 100644
--- a/src/emap/init.c
+++ b/src/emap/init.c
@@ -230,6 +230,7 @@ HPExport void plugin_init (void)
     addHookPre(clif, spawn_unit, eclif_spawn_unit_pre);
     addHookPre(clif, skillinfoblock, eclif_skillinfoblock_pre);
     addHookPre(clif, addskill, eclif_addskill_pre);
+    addHookPre(clif, skillinfo, eclif_skillinfo_pre);
     addHookPre(itemdb, is_item_usable, eitemdb_is_item_usable_pre);
     addHookPre(itemdb, readdb_additional_fields, eitemdb_readdb_additional_fields_pre);
     addHookPre(itemdb, destroy_item_data, edestroy_item_data_pre);
-- 
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