Corrected Clearance and Phantom Thrust behavior (fixes #1476)

* Now only usable on monsters and party members.
* Corrected skill error message to official.

db/re/skill_db.txt

@@ -909,7 +909,7 @@
 2017,0,6,4,-1,0x2,3,1,1,no,0,0x40000,0,weapon,7,0x0,	RK_STORMBLAST,Storm Blast
 2018,0,6,4,0,0x3,-1,1,1,yes,0,0,0,none,0,0x0,	RK_FIGHTINGSPIRIT,Fighting Spirit //CHECK Is this splash needed?
 2019,9,6,4,6,0x1,0,1,1,yes,0,0,0,none,0,0x0,	RK_ABUNDANCE,Abundance
-2020,5:6:7:8:9,6,1,-1,0,0,5,1,no,0,0,0,weapon,0,0x0,	RK_PHANTOMTHRUST,Phantom Thrust
+2020,5:6:7:8:9,6,1,-1,0,0,5,1,no,0,0x400,0,weapon,0,0x0,	RK_PHANTOMTHRUST,Phantom Thrust
 
 //****
 // WL Warlock
@@ -983,7 +983,7 @@
 2049,0,0,0,0,0,0,10,0,no,0,0,0,none,0,0x0,		AB_EUCHARISTICA,Eucharistica
 2050,11,6,16,6,0x1,0,1,1,yes,0,0,0,magic,0,0x0,	AB_RENOVATIO,Renovatio
 2051,11,6,16,6,0x21,0,5,1,yes,0,0,0,magic,0,0x0,	AB_HIGHNESSHEAL,Highness Heal //CHECK Info shows this has magic attack.
-2052,11,6,16,0,0x1,0,5,1,yes,0,0,0,magic,0,0x10020,	AB_CLEARANCE,Clearance //CHECK Also shows this as a magic attack. Why?
+2052,11,6,1,0,0x1,0,5,1,yes,0,0x400,0,magic,0,0x10020,	AB_CLEARANCE,Clearance
 2053,11,6,16,0,0x1,0,5,1,yes,0,0,0,magic,0,0x0,	AB_EXPIATIO,Expiatio //CHECK Does this also give the buff to party members?
 2054,0,6,4,6,0x1,0,10,1,yes,0,0,0,none,0,0x0,	AB_DUPLELIGHT,Duple Light //CHECK Had issues adding a skill level check to make the % go higher with the skills level. Will do later.
 2055,-1,6,1,-1,0,0,10,1,no,0,0,0,weapon,0,0x0,	AB_DUPLELIGHT_MELEE,Duple Light Melee

src/map/skill.c

@@ -10950,18 +10950,20 @@ static int8 skill_castend_id_check(struct block_list *src, struct block_list *ta
 			if (target->type == BL_MOB && ((TBL_MOB*)target)->mob_id == MOBID_EMPERIUM)
 				return USESKILL_FAIL_MAX;
 			break;
-
-		// Still can be casted to party member in normal map
 		case RK_PHANTOMTHRUST:
-		case AB_CLEARANCE:
-			if (target->type != BL_MOB && !map_flag_vs(src->m) && battle_check_target(src,target,BCT_PARTY) <= 0)
+			if (!map_flag_vs(src->m))
 				return USESKILL_FAIL_MAX;
-			inf |= BCT_PARTY;
-			break;
 	}
 
-	if (inf && battle_check_target(src, target, inf) <= 0)
-		return USESKILL_FAIL_LEVEL;
+	if (inf && battle_check_target(src, target, inf) <= 0) {
+		switch(skill_id) {
+			case RK_PHANTOMTHRUST:
+			case AB_CLEARANCE:
+				return USESKILL_FAIL_TOTARGET;
+			default:
+				return USESKILL_FAIL_LEVEL;
+		}
+	}
 
 	// Fogwall makes all offensive-type targetted skills fail at 75%
 	// Jump Kick can still fail even though you can jump to friendly targets.