Fixed clearunit packet not being sent to clients going out of the view range when monster dies

5 files changed, 17 insertions, 2 deletions

diff --git a/src/map/battle.c b/src/map/battle.c
index 172f9083f..27e0273b4 100644
--- a/src/map/battle.c
+++ b/src/map/battle.c
@@ -7205,6 +7205,7 @@ static const struct battle_data {
 	{ "vcast_stat_scale",                   &battle_config.vcast_stat_scale,                530,    1,      INT_MAX,        },
 	{ "area_size",                          &battle_config.area_size,                       14,     0,      INT_MAX,        },
 	{ "chat_area_size",                     &battle_config.chat_area_size,                  9,      0,      INT_MAX,        },
+	{ "dead_area_size",                     &battle_config.dead_area_size,                  32,     0,      INT_MAX,        },
 	{ "zeny_from_mobs",                     &battle_config.zeny_from_mobs,                  0,      0,      1,              },
 	{ "mobs_level_up",                      &battle_config.mobs_level_up,                   0,      0,      1,              },
 	{ "mobs_level_up_exp_rate",             &battle_config.mobs_level_up_exp_rate,          1,      1,      INT_MAX,        },
diff --git a/src/map/battle.h b/src/map/battle.h
index f4176f142..9f5207e95 100644
--- a/src/map/battle.h
+++ b/src/map/battle.h
@@ -366,6 +366,7 @@ struct Battle_Config {
 	int castrate_dex_scale; // added by [MouseJstr]
 	int area_size; // added by [MouseJstr]
 	int chat_area_size; // added by [gumi]
+	int dead_area_size; // Monster die area [KirieZ]
 
 	int max_def, over_def_bonus; //added by [Skotlex]
 
diff --git a/src/map/clif.c b/src/map/clif.c
index adc7562e1..9d8ca844b 100644
--- a/src/map/clif.c
+++ b/src/map/clif.c
@@ -434,6 +434,7 @@ static bool clif_send(const void *buf, int len, struct block_list *bl, enum send
 	struct battleground_data *bgd = NULL;
 	int x0 = 0, x1 = 0, y0 = 0, y1 = 0, fd;
 	struct s_mapiterator* iter;
+	int area_size;
 
 	if( type != ALL_CLIENT )
 		nullpo_ret(bl);
@@ -472,13 +473,18 @@ static bool clif_send(const void *buf, int len, struct block_list *bl, enum send
 
 		case AREA:
 		case AREA_WOSC:
+		case AREA_DEAD:
 			if (sd && bl->prev == NULL) //Otherwise source misses the packet.[Skotlex]
 				clif->send (buf, len, bl, SELF);
 			/* Fall through */
 		case AREA_WOC:
 		case AREA_WOS:
+			if (type == AREA_DEAD)
+				area_size = DEAD_AREA_SIZE;
+			else
+				area_size = AREA_SIZE;
 			nullpo_retr(true, bl);
-			map->foreachinarea(clif->send_sub, bl->m, bl->x-AREA_SIZE, bl->y-AREA_SIZE, bl->x+AREA_SIZE, bl->y+AREA_SIZE,
+			map->foreachinarea(clif->send_sub, bl->m, bl->x - area_size, bl->y - area_size, bl->x + area_size, bl->y + area_size,
 				BL_PC, buf, len, bl, type);
 			break;
 		case AREA_CHAT_WOC:
@@ -909,7 +915,12 @@ static void clif_clearunit_area(struct block_list *bl, clr_type type)
 	WBUFL(buf,2) = bl->id;
 	WBUFB(buf,6) = type;
 
-	clif->send(buf, packet_len(0x80), bl, type == CLR_DEAD ? AREA : AREA_WOS);
+	/**
+	 * When monster dies, there's a delay before the packet is sent,
+	 * so we send it to a bigger area to avoid clients at the edge
+	 * walking out of the area and missing it [KirieZ]
+	 */
+	clif->send(buf, packet_len(0x80), bl, type == CLR_DEAD ? AREA_DEAD : AREA_WOS);
 
 	if (clif->isdisguised(bl)) {
 		WBUFL(buf,2) = -bl->id;
diff --git a/src/map/clif.h b/src/map/clif.h
index 1dffc2711..4fc2c6336 100644
--- a/src/map/clif.h
+++ b/src/map/clif.h
@@ -89,6 +89,7 @@ typedef enum send_target {
 	AREA_WOC,           // area, without chatrooms
 	AREA_WOSC,          // area, without own chatrooms
 	AREA_CHAT_WOC,      // hearable area, without chatrooms
+	AREA_DEAD,          // area, for clear unit (monster death)
 	CHAT,               // current chatroom
 	CHAT_WOS,           // current chatroom, without self
 	PARTY,
diff --git a/src/map/map.h b/src/map/map.h
index 494f93cfe..bdf45c72f 100644
--- a/src/map/map.h
+++ b/src/map/map.h
@@ -48,6 +48,7 @@ enum E_MAPSERVER_ST {
 #define MAX_NPC_PER_MAP 512
 #define AREA_SIZE (battle->bc->area_size)
 #define CHAT_AREA_SIZE (battle->bc->chat_area_size)
+#define DEAD_AREA_SIZE (battle->bc->dead_area_size)
 #define DAMAGELOG_SIZE 30
 #define LOOTITEM_SIZE 10
 #define MAX_MOBSKILL 50