Corrected Blast Mine and Claymore Trap behavior (#3373)

* Fixes #3362.
* Damage should be split among targets.
Thanks to @zakudam!

db/re/skill_db.txt

@@ -230,8 +230,8 @@
 119,3,6,2,0,0x3,2,5,1,no,0,0x80,0,misc,0,0x3000,	HT_SANDMAN,Sandman
 120,3,6,2,0,0x3,1,5,1,no,0,0x80,0,misc,0,0x3000,	HT_FLASHER,Flasher
 121,3,6,2,1,0x42,1,5,1,no,0,0x80,0,weapon,0,0x3800,	HT_FREEZINGTRAP,Freezing Trap
-122,3,6,2,4,0xC2,1,5,1,no,0,0x80,0,misc,0,0x3800,	HT_BLASTMINE,Blast Mine
-123,3,6,2,3,0xC2,2,5,1,no,0,0x40080,0,misc,0,0x3800,	HT_CLAYMORETRAP,Claymore Trap
+122,3,6,2,4,0xC6,1,5,1,no,0,0x80,0,misc,0,0x3800,	HT_BLASTMINE,Blast Mine
+123,3,6,2,3,0xC6,2,5,1,no,0,0x40080,0,misc,0,0x3800,	HT_CLAYMORETRAP,Claymore Trap
 124,2,6,32,0,0x1,0,1,1,no,0,0x40000,0,misc,0,0x0,		HT_REMOVETRAP,Remove Trap
 125,3,6,2,0,0x1,0,1,1,no,0,0x80,0,misc,0,0x2000,		HT_TALKIEBOX,Talkie Box
 126,0,0,0,0,0,0,10,0,no,0,0,0,weapon,0,0x0,		HT_BEASTBANE,Beast Bane

src/map/skill.cpp

@@ -17567,8 +17567,13 @@ static int skill_trap_splash(struct block_list *bl, va_list ap)
 						break;
 				}
 			}
-		default:
-			skill_attack(skill_get_type(sg->skill_id),ss,src,bl,sg->skill_id,sg->skill_lv,tick,0);
+		default: {
+				int split_count = 0;
+
+				if (skill_get_nk(sg->skill_id)&NK_SPLASHSPLIT)
+					split_count = map_foreachinallrange(skill_area_sub, src, skill_get_splash(sg->skill_id, sg->skill_lv), BL_CHAR, src, sg->skill_id, sg->skill_lv, tick, BCT_ENEMY, skill_area_sub_count);
+				skill_attack(skill_get_type(sg->skill_id), ss, src, bl, sg->skill_id, sg->skill_lv, tick, split_count);
+			}
 			break;
 	}
 	return 1;