Use an enum as flag for status->heal() and related functions

This introduces the `enum status_heal_flag`. No functional changes are
made.

Signed-off-by: Haru <haru@dotalux.com>

7 files changed, 154 insertions, 127 deletions

diff --git a/src/map/atcommand.c b/src/map/atcommand.c
index 236975b32..c8cca2aea 100644
--- a/src/map/atcommand.c
+++ b/src/map/atcommand.c
@@ -1131,7 +1131,7 @@ ACMD(heal)
 	}
 
 	if ( hp > 0 && sp >= 0 ) {
-		if(!status->heal(&sd->bl, hp, sp, 0))
+		if (status->heal(&sd->bl, hp, sp, STATUS_HEAL_DEFAULT) == 0)
 			clif->message(fd, msg_fd(fd,157)); // HP and SP are already with the good value.
 		else
 			clif->message(fd, msg_fd(fd,17)); // HP, SP recovered.
@@ -1148,7 +1148,7 @@ ACMD(heal)
 	//Opposing signs.
 	if ( hp ) {
 		if (hp > 0)
-			status->heal(&sd->bl, hp, 0, 0);
+			status->heal(&sd->bl, hp, 0, STATUS_HEAL_DEFAULT);
 		else {
 			status->damage(NULL, &sd->bl, -hp, 0, 0, 0);
 			clif->damage(&sd->bl,&sd->bl, 0, 0, -hp, 0, BDT_ENDURE, 0);
@@ -1157,7 +1157,7 @@ ACMD(heal)
 
 	if ( sp ) {
 		if (sp > 0)
-			status->heal(&sd->bl, 0, sp, 0);
+			status->heal(&sd->bl, 0, sp, STATUS_HEAL_DEFAULT);
 		else
 			status->damage(NULL, &sd->bl, 0, -sp, 0, 0);
 	}
diff --git a/src/map/battle.c b/src/map/battle.c
index ee9662c33..652453bf0 100644
--- a/src/map/battle.c
+++ b/src/map/battle.c
@@ -2872,7 +2872,7 @@ static int64 battle_calc_damage(struct block_list *src, struct block_list *bl, s
 		if( sc->data[SC__MAELSTROM] && (flag&BF_MAGIC) && skill_id && (skill->get_inf(skill_id)&INF_GROUND_SKILL) ) {
 			// {(Maelstrom Skill LevelxAbsorbed Skill Level)+(Caster's Job/5)}/2
 			int sp = (sc->data[SC__MAELSTROM]->val1 * skill_lv + (t_sd ? t_sd->status.job_level / 5 : 0)) / 2;
-			status->heal(bl, 0, sp, 3);
+			status->heal(bl, 0, sp, STATUS_HEAL_FORCED | STATUS_HEAL_SHOWEFFECT);
 			d->dmg_lv = ATK_BLOCK;
 			return 0;
 		}
@@ -3243,7 +3243,7 @@ static int64 battle_calc_damage(struct block_list *src, struct block_list *bl, s
 		//(since battle_drain is strictly for players currently)
 		if ((sce=sc->data[SC_HAMI_BLOODLUST]) && flag&BF_WEAPON && damage > 0 &&
 			rnd()%100 < sce->val3)
-			status->heal(src, damage*sce->val4/100, 0, 3);
+			status->heal(src, damage*sce->val4/100, 0, STATUS_HEAL_FORCED | STATUS_HEAL_SHOWEFFECT);
 
 		if( (sce = sc->data[SC_FORCEOFVANGUARD]) && flag&BF_WEAPON
 			&& rnd()%100 < sce->val2 && sc->fv_counter <= sce->val3 )
@@ -6094,7 +6094,7 @@ static void battle_drain(struct map_session_data *sd, struct block_list *tbl, in
 
 	if (!thp && !tsp) return;
 
-	status->heal(&sd->bl, thp, tsp, battle_config.show_hp_sp_drain ? 3 : 1);
+	status->heal(&sd->bl, thp, tsp, STATUS_HEAL_FORCED | (battle_config.show_hp_sp_drain ? STATUS_HEAL_SHOWEFFECT : STATUS_HEAL_DEFAULT));
 
 	if (rhp || rsp)
 		status_zap(tbl, rhp, rsp);
diff --git a/src/map/pc.c b/src/map/pc.c
index b8a6912ee..ba2edf0f4 100644
--- a/src/map/pc.c
+++ b/src/map/pc.c
@@ -399,7 +399,7 @@ static int pc_banding(struct map_session_data *sd, uint16 skill_lv)
 	for( j = 0; j < i; j++ ) {
 		bsd = map->id2sd(b_sd[j]);
 		if( bsd != NULL ) {
-			status->set_hp(&bsd->bl,hp,0); // Set hp
+			status->set_hp(&bsd->bl, hp, STATUS_HEAL_DEFAULT); // Set hp
 			if( (sc = status->get_sc(&bsd->bl)) != NULL  && sc->data[SC_BANDING] ) {
 				sc->data[SC_BANDING]->val2 = c; // Set the counter. It doesn't count your self.
 				status_calc_bl(&bsd->bl, status->sc2scb_flag(SC_BANDING)); // Set atk and def.
@@ -524,9 +524,9 @@ static int pc_setrestartvalue(struct map_session_data *sd, int type)
 	if (type&1) {
 		//Normal resurrection
 		st->hp = 1; //Otherwise status->heal may fail if dead.
-		status->heal(&sd->bl, bst->hp, 0, 1);
+		status->heal(&sd->bl, bst->hp, 0, STATUS_HEAL_FORCED);
 		if( st->sp < bst->sp )
-			status->set_sp(&sd->bl, bst->sp, 1);
+			status->set_sp(&sd->bl, bst->sp, STATUS_HEAL_FORCED);
 	} else { //Just for saving on the char-server (with values as if respawned)
 		sd->status.hp = bst->hp;
 		sd->status.sp = (st->sp < bst->sp) ? bst->sp : st->sp;
@@ -8827,7 +8827,7 @@ static int pc_itemheal(struct map_session_data *sd, int itemid, int hp, int sp)
 		}
 	}
 
-	return status->heal(&sd->bl, hp, sp, 1);
+	return status->heal(&sd->bl, hp, sp, STATUS_HEAL_FORCED);
 }
 
 /*==========================================
@@ -10878,7 +10878,7 @@ static void pc_regen(struct map_session_data *sd, unsigned int diff_tick)
 	}
 
 	if (hp > 0 || sp > 0)
-		status->heal(&sd->bl, hp, sp, 0);
+		status->heal(&sd->bl, hp, sp, STATUS_HEAL_DEFAULT);
 
 	return;
 }
diff --git a/src/map/script.c b/src/map/script.c
index 8c09bb8d8..41f21cd72 100644
--- a/src/map/script.c
+++ b/src/map/script.c
@@ -6855,7 +6855,7 @@ static BUILDIN(heal)
 
 	hp=script_getnum(st,2);
 	sp=script_getnum(st,3);
-	status->heal(&sd->bl, hp, sp, 1);
+	status->heal(&sd->bl, hp, sp, STATUS_HEAL_FORCED);
 	return true;
 }
 /*==========================================
@@ -18781,7 +18781,7 @@ static BUILDIN(setunitdata)
 			md->level = val;
 			break;
 		case UDT_HP:
-			status->set_hp(bl, (unsigned int) val, 0);
+			status->set_hp(bl, (unsigned int) val, STATUS_HEAL_DEFAULT);
 			clif->charnameack(0, &md->bl);
 			break;
 		case UDT_MAXHP:
@@ -18789,7 +18789,7 @@ static BUILDIN(setunitdata)
 			clif->charnameack(0, &md->bl);
 			break;
 		case UDT_SP:
-			status->set_sp(bl, (unsigned int) val, 0);
+			status->set_sp(bl, (unsigned int) val, STATUS_HEAL_DEFAULT);
 			break;
 		case UDT_MAXSP:
 			md->status.max_sp = (unsigned int) val;
@@ -18950,13 +18950,13 @@ static BUILDIN(setunitdata)
 			hd->homunculus.level = (short) val;
 			break;
 		case UDT_HP:
-			status->set_hp(bl, (unsigned int) val, 0);
+			status->set_hp(bl, (unsigned int) val, STATUS_HEAL_DEFAULT);
 			break;
 		case UDT_MAXHP:
 			hd->homunculus.max_hp = val;
 			break;
 		case UDT_SP:
-			status->set_sp(bl, (unsigned int) val, 0);
+			status->set_sp(bl, (unsigned int) val, STATUS_HEAL_DEFAULT);
 			break;
 		case UDT_MAXSP:
 			hd->homunculus.max_sp = val;
@@ -19089,13 +19089,13 @@ static BUILDIN(setunitdata)
 			pd->pet.level = (short) val;
 			break;
 		case UDT_HP:
-			status->set_hp(bl, (unsigned int) val, 0);
+			status->set_hp(bl, (unsigned int) val, STATUS_HEAL_DEFAULT);
 			break;
 		case UDT_MAXHP:
 			pd->status.max_hp = (unsigned int) val;
 			break;
 		case UDT_SP:
-			status->set_sp(bl, (unsigned int) val, 0);
+			status->set_sp(bl, (unsigned int) val, STATUS_HEAL_DEFAULT);
 			break;
 		case UDT_MAXSP:
 			pd->status.max_sp = (unsigned int) val;
@@ -19223,13 +19223,13 @@ static BUILDIN(setunitdata)
 			mc->base_status.size = (unsigned char) val;
 			break;
 		case UDT_HP:
-			status->set_hp(bl, (unsigned int) val, 0);
+			status->set_hp(bl, (unsigned int) val, STATUS_HEAL_DEFAULT);
 			break;
 		case UDT_MAXHP:
 			mc->base_status.max_hp = (unsigned int) val;
 			break;
 		case UDT_SP:
-			status->set_sp(bl, (unsigned int) val, 0);
+			status->set_sp(bl, (unsigned int) val, STATUS_HEAL_DEFAULT);
 			break;
 		case UDT_MAXSP:
 			mc->base_status.max_sp = (unsigned int) val;
@@ -19357,13 +19357,13 @@ static BUILDIN(setunitdata)
 			ed->base_status.size = (unsigned char) val;
 			break;
 		case UDT_HP:
-			status->set_hp(bl, (unsigned int) val, 0);
+			status->set_hp(bl, (unsigned int) val, STATUS_HEAL_DEFAULT);
 			break;
 		case UDT_MAXHP:
 			ed->base_status.max_hp = (unsigned int) val;
 			break;
 		case UDT_SP:
-			status->set_sp(bl, (unsigned int) val, 0);
+			status->set_sp(bl, (unsigned int) val, STATUS_HEAL_DEFAULT);
 			break;
 		case UDT_MAXSP:
 			ed->base_status.max_sp = (unsigned int) val;
@@ -19489,13 +19489,13 @@ static BUILDIN(setunitdata)
 			nd->level = (unsigned short) val;
 			break;
 		case UDT_HP:
-			status->set_hp(bl, (unsigned int) val, 0);
+			status->set_hp(bl, (unsigned int) val, STATUS_HEAL_DEFAULT);
 			break;
 		case UDT_MAXHP:
 			nd->status.max_hp = (unsigned int) val;
 			break;
 		case UDT_SP:
-			status->set_sp(bl, (unsigned int) val, 0);
+			status->set_sp(bl, (unsigned int) val, STATUS_HEAL_DEFAULT);
 			break;
 		case UDT_MAXSP:
 			nd->status.max_sp = (unsigned int) val;
@@ -20806,7 +20806,7 @@ static BUILDIN(mercenary_heal)
 	hp = script_getnum(st,2);
 	sp = script_getnum(st,3);
 
-	status->heal(&sd->md->bl, hp, sp, 0);
+	status->heal(&sd->md->bl, hp, sp, STATUS_HEAL_DEFAULT);
 	return true;
 }
 
diff --git a/src/map/skill.c b/src/map/skill.c
index 9857badbe..8410a77d0 100644
--- a/src/map/skill.c
+++ b/src/map/skill.c
@@ -2361,11 +2361,11 @@ static int skill_counter_additional_effect(struct block_list *src, struct block_
 	) {
 		// Soul Drain should only work on targeted spells [Skotlex]
 		if( pc_issit(sd) ) pc->setstand(sd); // Character stuck in attacking animation while 'sitting' fix. [Skotlex]
-		if( skill->get_nk(skill_id)&NK_SPLASH && skill->area_temp[1] != bl->id )
+		if (skill->get_nk(skill_id)&NK_SPLASH && skill->area_temp[1] != bl->id) {
 			;
-		else {
+		} else {
 			clif->skill_nodamage(src,bl,HW_SOULDRAIN,rate,1);
-			status->heal(src, 0, status->get_lv(bl)*(95+15*rate)/100, 2);
+			status->heal(src, 0, status->get_lv(bl)*(95+15*rate)/100, STATUS_HEAL_SHOWEFFECT);
 		}
 	}
 
@@ -2388,9 +2388,9 @@ static int skill_counter_additional_effect(struct block_list *src, struct block_
 					sc->data[SC_SOULLINK]->val3 = 0; //Clear bounced spell check.
 			}
 		}
-		if( hp || sp ) {
+		if (hp != 0 || sp != 0) {
 			// updated to force healing to allow healing through berserk
-			status->heal(src, hp, sp, battle_config.show_hp_sp_gain ? 3 : 1);
+			status->heal(src, hp, sp, STATUS_HEAL_FORCED | (battle_config.show_hp_sp_gain ? STATUS_HEAL_SHOWEFFECT : STATUS_HEAL_DEFAULT));
 		}
 	}
 
@@ -2899,7 +2899,7 @@ static int skill_attack(int attack_type, struct block_list *src, struct block_li
 			sp = sp * sc->data[SC_MAGICROD]->val2 / 100;
 			if(skill_id == WZ_WATERBALL && skill_lv > 1)
 				sp = sp/((skill_lv|1)*(skill_lv|1)); //Estimate SP cost of a single water-ball
-			status->heal(bl, 0, sp, 2);
+			status->heal(bl, 0, sp, STATUS_HEAL_SHOWEFFECT);
 		}
 	}
 
@@ -4477,7 +4477,7 @@ static int skill_castend_damage_id(struct block_list *src, struct block_list *bl
 				if( skill_id == MO_EXTREMITYFIST ) {
 					mbl = src;
 					i = 3; // for Asura(from caster)
-					status->set_sp(src, 0, 0);
+					status->set_sp(src, 0, STATUS_HEAL_DEFAULT);
 					status_change_end(src, SC_EXPLOSIONSPIRITS, INVALID_TIMER);
 					status_change_end(src, SC_BLADESTOP, INVALID_TIMER);
 #ifdef RENEWAL
@@ -4487,9 +4487,9 @@ static int skill_castend_damage_id(struct block_list *src, struct block_list *bl
 					status_change_end(src, SC_NJ_NEN, INVALID_TIMER);
 					status_change_end(src, SC_HIDING, INVALID_TIMER);
 #ifdef RENEWAL
-					status->set_hp(src, max(status_get_max_hp(src)/100, 1), 0);
+					status->set_hp(src, max(status_get_max_hp(src)/100, 1), STATUS_HEAL_DEFAULT);
 #else // not RENEWAL
-					status->set_hp(src, 1, 0);
+					status->set_hp(src, 1, STATUS_HEAL_DEFAULT);
 #endif // RENEWAL
 				}
 				dir = map->calc_dir(src,bl->x,bl->y);
@@ -4603,7 +4603,7 @@ static int skill_castend_damage_id(struct block_list *src, struct block_list *bl
 				heal = skill->attack(skill->get_type(skill_id), src, src, bl, skill_id, skill_lv, tick, sflag);
 				if (skill_id == NPC_VAMPIRE_GIFT && heal > 0) {
 					clif->skill_nodamage(NULL, src, AL_HEAL, heal, 1);
-					status->heal(src,heal,0,0);
+					status->heal(src, heal, 0, STATUS_HEAL_DEFAULT);
 				}
 				if (skill_id == SU_SCRATCH && status->get_lv(src) >= 30 && (rnd() % 100 < (int)(status->get_lv(src) / 30) + 10)) // TODO: Need activation chance.
 					skill->addtimerskill(src, tick + skill->get_delay(skill_id, skill_lv), bl->id, 0, 0, skill_id, skill_lv, BF_WEAPON, flag);
@@ -4971,7 +4971,7 @@ static int skill_castend_damage_id(struct block_list *src, struct block_list *bl
 			                         src, src, bl, skill_id, skill_lv, tick, flag);
 			if (heal > 0){
 				clif->skill_nodamage(NULL, src, AL_HEAL, heal, 1);
-				status->heal(src, heal, 0, 0);
+				status->heal(src, heal, 0, STATUS_HEAL_DEFAULT);
 			}
 		}
 			break;
@@ -5082,7 +5082,7 @@ static int skill_castend_damage_id(struct block_list *src, struct block_list *bl
 				heal = 0; // Don't absorb heal from Ice Walls or other skill units.
 
 			if( heal && rnd()%100 < rate ) {
-				status->heal(src, heal, 0, 0);
+				status->heal(src, heal, 0, STATUS_HEAL_DEFAULT);
 				clif->skill_nodamage(NULL, src, AL_HEAL, heal, 1);
 			}
 		}
@@ -5843,7 +5843,7 @@ static int skill_castend_id(int tid, int64 tick, int id, intptr_t data)
 		//When Asura fails... (except when it fails from Fog of Wall)
 		//Consume SP/spheres
 		skill->consume_requirement(sd,ud->skill_id, ud->skill_lv,1);
-		status->set_sp(src, 0, 0);
+		status->set_sp(src, 0, STATUS_HEAL_DEFAULT);
 		sc = &sd->sc;
 		if (sc->count) {
 			//End states
@@ -6126,7 +6126,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 				clif->skill_nodamage (src, bl, skill_id, heal, 1);
 				if( tsc && tsc->data[SC_AKAITSUKI] && heal && skill_id != HLIF_HEAL )
 					heal = ~heal + 1;
-				heal_get_jobexp = status->heal(bl,heal,0,0);
+				heal_get_jobexp = status->heal(bl, heal, 0, STATUS_HEAL_DEFAULT);
 
 				if(sd && dstsd && heal > 0 && sd != dstsd && battle_config.heal_exp > 0){
 					heal_get_jobexp = heal_get_jobexp * battle_config.heal_exp / 100;
@@ -6159,8 +6159,8 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 					clif->updatestatus(sd,SP_BASEEXP);
 					clif->updatestatus(sd,SP_JOBEXP);
 				}
-				status->set_hp(src, 1, 0);
-				status->set_sp(src, 0, 0);
+				status->set_hp(src, 1, STATUS_HEAL_DEFAULT);
+				status->set_sp(src, 0, STATUS_HEAL_DEFAULT);
 				break;
 			} else if (status->isdead(bl) && flag&1) { //Revive
 				skill->area_temp[0]++; //Count it in, then fall-through to the Resurrection code.
@@ -6333,7 +6333,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 			break;
 		case SA_INSTANTDEATH:
 			clif->skill_nodamage(src,bl,skill_id,skill_lv,1);
-			status->set_hp(bl,1,0);
+			status->set_hp(bl, 1, STATUS_HEAL_DEFAULT);
 			break;
 		case SA_QUESTION:
 		case SA_GRAVITY:
@@ -6911,7 +6911,8 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 			if (dstsd && dstsd->charm_type != CHARM_TYPE_NONE && dstsd->charm_count > 0) {
 				pc->del_charm(dstsd, dstsd->charm_count, dstsd->charm_type);
 			}
-			if (sp) status->heal(src, 0, sp, 3);
+			if (sp != 0)
+				status->heal(src, 0, sp, STATUS_HEAL_FORCED | STATUS_HEAL_SHOWEFFECT);
 			clif->skill_nodamage(src,bl,skill_id,skill_lv,sp?1:0);
 		}
 			break;
@@ -7273,7 +7274,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 
 		case NV_FIRSTAID:
 			clif->skill_nodamage(src,bl,skill_id,5,1);
-			status->heal(bl,5,0,0);
+			status->heal(bl, 5, 0, STATUS_HEAL_DEFAULT);
 			break;
 
 		case AL_CURE:
@@ -7350,7 +7351,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 
 		case MER_SCAPEGOAT:
 			if( mer && mer->master ) {
-				status->heal(&mer->master->bl, mer->battle_status.hp, 0, 2);
+				status->heal(&mer->master->bl, mer->battle_status.hp, 0, STATUS_HEAL_SHOWEFFECT);
 				status->damage(src, src, mer->battle_status.max_hp, 0, 0, 1);
 			}
 			break;
@@ -7667,7 +7668,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 				if( tsc && tsc->data[SC_EXTREMITYFIST2] )
 					sp = 0;
 		#endif
-				status->heal(bl,(int)hp,sp,0);
+				status->heal(bl, (int)hp, sp, STATUS_HEAL_DEFAULT);
 			}
 			break;
 		case AM_CP_WEAPON:
@@ -7842,7 +7843,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 					sp = skill->get_sp(skill_id,skill_lv);
 					sp = sp * tsc->data[SC_MAGICROD]->val2 / 100;
 					if(sp < 1) sp = 1;
-					status->heal(bl,0,sp,2);
+					status->heal(bl, 0, sp, STATUS_HEAL_SHOWEFFECT);
 					status_percent_damage(bl, src, 0, -20, false); //20% max SP damage.
 				} else {
 					struct unit_data *ud = unit->bl2ud(bl);
@@ -7874,8 +7875,8 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 					if (sp) //Recover some of the SP used
 						sp = sp*(25*(skill_lv-1))/100;
 
-					if(hp || sp)
-						status->heal(src, hp, sp, 2);
+					if (hp != 0 || sp != 0)
+						status->heal(src, hp, sp, STATUS_HEAL_SHOWEFFECT);
 				}
 			}
 			break;
@@ -8118,14 +8119,14 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 		{
 			int hp_rate = skill_lv == 0 ? 0 : skill->get_hp_rate(skill_id, skill_lv);
 			int gain_hp = tstatus->max_hp*abs(hp_rate)/100; // The earned is the same % of the target HP than it cost the caster. [Skotlex]
-			clif->skill_nodamage(src,bl,skill_id,status->heal(bl, gain_hp, 0, 0),1);
+			clif->skill_nodamage(src, bl, skill_id, status->heal(bl, gain_hp, 0, STATUS_HEAL_DEFAULT), 1);
 		}
 			break;
 		case WE_FEMALE:
 		{
 			int sp_rate = skill_lv == 0 ? 0 : skill->get_sp_rate(skill_id, skill_lv);
 			int gain_sp = tstatus->max_sp*abs(sp_rate)/100;// The earned is the same % of the target SP than it cost the caster. [Skotlex]
-			clif->skill_nodamage(src,bl,skill_id,status->heal(bl, 0, gain_sp, 0),1);
+			clif->skill_nodamage(src, bl, skill_id, status->heal(bl, 0, gain_sp, STATUS_HEAL_DEFAULT), 1);
 		}
 			break;
 
@@ -8165,7 +8166,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 				break;
 			}
 			clif->skill_nodamage(src, bl, skill_id, skill_lv, 1);
-			status->heal(bl,0,sp,2);
+			status->heal(bl, 0, sp, STATUS_HEAL_SHOWEFFECT);
 		}
 			break;
 
@@ -8320,7 +8321,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 					}
 					dstmd->state.soul_change_flag = 1;
 					sp2 = sstatus->max_sp * 3 /100;
-					status->heal(src, 0, sp2, 2);
+					status->heal(src, 0, sp2, STATUS_HEAL_SHOWEFFECT);
 					clif->skill_nodamage(src,bl,skill_id,skill_lv,1);
 					break;
 				}
@@ -8332,8 +8333,8 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 				if( tsc && tsc->data[SC_EXTREMITYFIST2] )
 					sp1 = tstatus->sp;
 #endif // RENEWAL
-				status->set_sp(src, sp2, 3);
-				status->set_sp(bl, sp1, 3);
+				status->set_sp(src, sp2, STATUS_HEAL_FORCED | STATUS_HEAL_SHOWEFFECT);
+				status->set_sp(bl, sp1, STATUS_HEAL_FORCED | STATUS_HEAL_SHOWEFFECT);
 				clif->skill_nodamage(src,bl,skill_id,skill_lv,1);
 			}
 			break;
@@ -8371,7 +8372,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 					clif->skill_nodamage(NULL,bl,AL_HEAL,hp,1);
 				if(sp > 0)
 					clif->skill_nodamage(NULL,bl,MG_SRECOVERY,sp,1);
-				status->heal(bl,hp,sp,0);
+				status->heal(bl, hp, sp, STATUS_HEAL_DEFAULT);
 			}
 			break;
 		// Full Chemical Protection
@@ -8460,7 +8461,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 						sc_start(src,bl,SC_INCATKRATE,100,-50,skill->get_time2(skill_id,skill_lv));
 						break;
 					case 5: // 2000HP heal, random teleported
-						status->heal(src, 2000, 0, 0);
+						status->heal(src, 2000, 0, STATUS_HEAL_DEFAULT);
 						if( !map_flag_vs(bl->m) )
 							unit->warp(bl, -1,-1,-1, CLR_TELEPORT);
 						break;
@@ -8754,7 +8755,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 				//Eh? why double skill packet?
 				clif->skill_nodamage(src,bl,AL_HEAL,hp,1);
 				clif->skill_nodamage(src,bl,skill_id,hp,1);
-				status->heal(bl, hp, 0, 0);
+				status->heal(bl, hp, 0, STATUS_HEAL_DEFAULT);
 			}
 			break;
 		// Homun single-target support skills [orn]
@@ -8901,7 +8902,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 			int heal = status_get_max_hp(bl) * 25 / 100;
 			clif->skill_nodamage(src,bl,skill_id,skill_lv,
 			                     sc_start(src,bl,type,100,skill_lv,skill->get_time(skill_id,skill_lv)));
-			status->heal(bl,heal,0,1);
+			status->heal(bl, heal, 0, STATUS_HEAL_FORCED);
 			status->change_clear_buffs(bl,4);
 		}
 			break;
@@ -8955,7 +8956,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 						value = status_get_max_hp(bl) * 25 / 100;
 						status->change_clear_buffs(bl,4);
 						skill->area_temp[5] &= ~0x20;
-						status->heal(bl,value,0,1);
+						status->heal(bl, value, 0, STATUS_HEAL_FORCED);
 						type = SC_REFRESH;
 					}else if( skill->area_temp[5]&0x40 ){
 						skill->area_temp[5] &= ~0x40;
@@ -9140,7 +9141,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 					clif->skill_nodamage(bl, bl, skill_id, heal, 1);
 					if( tsc && tsc->data[SC_AKAITSUKI] && heal )
 						heal = ~heal + 1;
-					status->heal(bl, heal, 0, 1);
+					status->heal(bl, heal, 0, STATUS_HEAL_FORCED);
 				}
 			} else if( sd )
 				party->foreachsamemap(skill->area_sub, sd, skill->get_splash(skill_id, skill_lv), src, skill_id, skill_lv, tick, flag|BCT_PARTY|1, skill->castend_nodamage_id);
@@ -9416,7 +9417,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 					 pc->setmadogear(sd, false);
 				clif->skill_nodamage(src, bl, skill_id, skill_lv, 1);
 				skill->castend_damage_id(src, src, skill_id, skill_lv, tick, flag);
-				status->set_sp(src, 0, 0);
+				status->set_sp(src, 0, STATUS_HEAL_DEFAULT);
 			}
 			break;
 
@@ -9455,7 +9456,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 					case 5: hp = 23; break;
 				}
 				heal = tstatus->max_hp * hp / 100;
-				status->heal(bl,heal,0,2);
+				status->heal(bl, heal, 0, STATUS_HEAL_SHOWEFFECT);
 				clif->skill_nodamage(src, bl, skill_id, skill_lv, heal);
 			}
 			break;
@@ -9533,7 +9534,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 					int sp = 100 * skill_lv;
 					if( dstmd ) sp = dstmd->level * 2;
 					if( status_zap(bl,0,sp) )
-						status->heal(src,0,sp/2,3);//What does flag 3 do? [Rytech]
+						status->heal(src, 0, sp / 2, STATUS_HEAL_FORCED | STATUS_HEAL_SHOWEFFECT);
 				}
 				if ( tsc && tsc->data[SC__UNLUCKY] && skill_id == SC_UNLUCKY) {
 					//If the target was successfully inflected with the Unlucky status, give 1 of 3 random status's.
@@ -9657,7 +9658,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 							case 3:
 								sc_start(src, bl, SC_SHIELDSPELL_REF, 100, opt, INFINITE_DURATION); // HP Recovery
 								val = sstatus->max_hp * ((status->get_lv(src) / 10) + (shield->refine + 1)) / 100;
-								status->heal(bl, val, 0, 2);
+								status->heal(bl, val, 0, STATUS_HEAL_SHOWEFFECT);
 								status_change_end(bl,SC_SHIELDSPELL_REF,INVALID_TIMER);
 								break;
 						}
@@ -9800,7 +9801,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 				}
 
 				heal = 120 * skill_lv + status_get_max_hp(bl) * (2 + skill_lv) / 100;
-				status->heal(bl, heal, 0, 0);
+				status->heal(bl, heal, 0, STATUS_HEAL_DEFAULT);
 
 				if( (tsc && tsc->opt1) && (rnd()%100 < ((skill_lv * 5) + (status_get_dex(src) + status->get_lv(src)) / 4) - (1 + (rnd() % 10))) ) {
 					status_change_end(bl, SC_STONE, INVALID_TIMER);
@@ -9871,7 +9872,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 						heal = 1;
 					status->fixed_revive(bl, heal, 0);
 					clif->skill_nodamage(src,bl,skill_id,skill_lv,1);
-					status->set_sp(bl, 0, 0);
+					status->set_sp(bl, 0, STATUS_HEAL_DEFAULT);
 				}
 			}
 			break;
@@ -10208,7 +10209,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 				}
 				e_hp = ed->battle_status.max_hp * 10 / 100;
 				e_sp = ed->battle_status.max_sp * 10 / 100;
-				status->heal(&ed->bl,e_hp,e_sp,3);
+				status->heal(&ed->bl, e_hp, e_sp, STATUS_HEAL_FORCED | STATUS_HEAL_SHOWEFFECT);
 				clif->skill_nodamage(src,&ed->bl,skill_id,skill_lv,1);
 			}
 			break;
@@ -10518,7 +10519,7 @@ static int skill_castend_nodamage_id(struct block_list *src, struct block_list *
 				}
 			}
 			heal = 5 * status->get_lv(&hd->bl) + status->base_matk(&hd->bl, &hd->battle_status, status->get_lv(&hd->bl));
-			status->heal(bl, heal, 0, 0);
+			status->heal(bl, heal, 0, STATUS_HEAL_DEFAULT);
 			clif->skill_nodamage(src, src, skill_id, skill_lv, clif->skill_nodamage(src, bl, AL_HEAL, heal, 1));
 			status->change_start(src, src, type, 1000, skill_lv, 0, 0, 0, skill->get_time(skill_id,skill_lv), SCFLAG_NOAVOID|SCFLAG_FIXEDTICK|SCFLAG_FIXEDRATE);
 			status->change_start(src, bl,  type, 1000, skill_lv, 0, 0, 0, skill->get_time(skill_id,skill_lv), SCFLAG_NOAVOID|SCFLAG_FIXEDTICK|SCFLAG_FIXEDRATE);
@@ -12800,7 +12801,7 @@ static int skill_unit_onplace_timer(struct skill_unit *src, struct block_list *b
 				clif->skill_nodamage(&src->bl, bl, AL_HEAL, heal, 1);
 				if (tsc && tsc->data[SC_AKAITSUKI] && heal)
 					heal = ~heal + 1;
-				status->heal(bl, heal, 0, 0);
+				status->heal(bl, heal, 0, STATUS_HEAL_DEFAULT);
 				if (diff >= 500)
 					sg->val1--;
 			}
@@ -12821,7 +12822,7 @@ static int skill_unit_onplace_timer(struct skill_unit *src, struct block_list *b
 				if (status->isimmune(bl))
 					heal = 0;
 				clif->skill_nodamage(&src->bl, bl, AL_HEAL, heal, 1);
-				status->heal(bl, heal, 0, 0);
+				status->heal(bl, heal, 0, STATUS_HEAL_DEFAULT);
 			}
 			break;
 
@@ -13032,7 +13033,7 @@ static int skill_unit_onplace_timer(struct skill_unit *src, struct block_list *b
 				if( tsc && tsc->data[SC_AKAITSUKI] && heal )
 					heal = ~heal + 1;
 				clif->skill_nodamage(&src->bl, bl, AL_HEAL, heal, 1);
-				status->heal(bl, heal, 0, 0);
+				status->heal(bl, heal, 0, STATUS_HEAL_DEFAULT);
 			}
 		}
 			break;
@@ -13086,7 +13087,7 @@ static int skill_unit_onplace_timer(struct skill_unit *src, struct block_list *b
 					case 0: // Heal 1~9999 HP
 						heal = rnd() %9999+1;
 						clif->skill_nodamage(ss,bl,AL_HEAL,heal,1);
-						status->heal(bl,heal,0,0);
+						status->heal(bl, heal, 0, STATUS_HEAL_DEFAULT);
 						break;
 					case 1: // End all negative status
 						status->change_clear_buffs(bl,2);
@@ -13231,7 +13232,7 @@ static int skill_unit_onplace_timer(struct skill_unit *src, struct block_list *b
 					}
 					hp = tstatus->max_hp * hp / 100;
 					sp = tstatus->max_sp * sp / 100;
-					status->heal(bl, hp, sp, 2);
+					status->heal(bl, hp, sp, STATUS_HEAL_SHOWEFFECT);
 					sc_start(ss, bl, type, 100, sg->skill_lv, (sg->interval * 3) + 100);
 				}
 				// Reveal hidden players every 5 seconds.
@@ -13353,7 +13354,7 @@ static int skill_unit_onplace_timer(struct skill_unit *src, struct block_list *b
 					clif->skill_nodamage(&src->bl, bl, AL_HEAL, hp, 0);
 				if( tsc && tsc->data[SC_AKAITSUKI] && hp )
 					hp = ~hp + 1;
-				status->heal(bl, hp, 0, 0);
+				status->heal(bl, hp, 0, STATUS_HEAL_DEFAULT);
 				sc_start(ss, bl, type, 100, sg->skill_lv, sg->interval + 100);
 			}
 			break;
@@ -13367,13 +13368,13 @@ static int skill_unit_onplace_timer(struct skill_unit *src, struct block_list *b
 				int hp = tstatus->max_hp / 100; //+1% each 5s
 				if ((sg->val3) % 5) { //each 5s
 					if (tstatus->def_ele == skill->get_ele(sg->skill_id,sg->skill_lv)) {
-						status->heal(bl, hp, 0, 2);
+						status->heal(bl, hp, 0, STATUS_HEAL_SHOWEFFECT);
 					} else if( (sg->unit_id ==  UNT_FIRE_INSIGNIA && tstatus->def_ele == ELE_EARTH)
 					        || (sg->unit_id ==  UNT_WATER_INSIGNIA && tstatus->def_ele == ELE_FIRE)
 					        || (sg->unit_id ==  UNT_WIND_INSIGNIA && tstatus->def_ele == ELE_WATER)
 					        || (sg->unit_id ==  UNT_EARTH_INSIGNIA && tstatus->def_ele == ELE_WIND)
 					) {
-						status->heal(bl, -hp, 0, 0);
+						status->heal(bl, -hp, 0, STATUS_HEAL_DEFAULT);
 					}
 				}
 				sg->val3++; //timer
diff --git a/src/map/status.c b/src/map/status.c
index b377a1f35..a1be36ff4 100644
--- a/src/map/status.c
+++ b/src/map/status.c
@@ -1240,10 +1240,15 @@ static void status_copy(struct status_data *a, const struct status_data *b)
 	memcpy((void*)&a->max_hp, (const void*)&b->max_hp, sizeof(struct status_data)-(sizeof(a->hp)+sizeof(a->sp)));
 }
 
-//Sets HP to given value. Flag is the flag passed to status->heal in case
-//final value is higher than current (use 2 to make a healing effect display
-//on players) It will always succeed (overrides Berserk block), but it can't kill.
-static int status_set_hp(struct block_list *bl, unsigned int hp, int flag)
+/**
+ * Sets HP to the given value.
+ *
+ * @param bl   The target unit.
+ * @param hp   The desired HP value.
+ * @param flag Additional options. @see enum status_heal_flag. STATUS_HEAL_FORCED is always implied.
+ * @return The amount of HP gained.
+ */
+static int status_set_hp(struct block_list *bl, unsigned int hp, enum status_heal_flag flag)
 {
 	struct status_data *st;
 	if (hp < 1) return 0;
@@ -1254,14 +1259,19 @@ static int status_set_hp(struct block_list *bl, unsigned int hp, int flag)
 	if (hp > st->max_hp) hp = st->max_hp;
 	if (hp == st->hp) return 0;
 	if (hp > st->hp)
-		return status->heal(bl, hp - st->hp, 0, 1|flag);
+		return status->heal(bl, hp - st->hp, 0, STATUS_HEAL_FORCED | flag);
 	return status_zap(bl, st->hp - hp, 0);
 }
 
-//Sets SP to given value. Flag is the flag passed to status->heal in case
-//final value is higher than current (use 2 to make a healing effect display
-//on players)
-static int status_set_sp(struct block_list *bl, unsigned int sp, int flag)
+/**
+ * Sets SP to the given value.
+ *
+ * @param bl   The target unit.
+ * @param hp   The desired SP value.
+ * @param flag Additional options. @see enum status_heal_flag. STATUS_HEAL_FORCED is always implied.
+ * @return The amount of SP gained.
+ */
+static int status_set_sp(struct block_list *bl, unsigned int sp, enum status_heal_flag flag)
 {
 	struct status_data *st;
 
@@ -1272,7 +1282,7 @@ static int status_set_sp(struct block_list *bl, unsigned int sp, int flag)
 	if (sp > st->max_sp) sp = st->max_sp;
 	if (sp == st->sp) return 0;
 	if (sp > st->sp)
-		return status->heal(bl, 0, sp - st->sp, 1|flag);
+		return status->heal(bl, 0, sp - st->sp, STATUS_HEAL_FORCED | flag);
 	return status_zap(bl, 0, st->sp - sp);
 }
 
@@ -1304,12 +1314,12 @@ static int status_damage(struct block_list *src, struct block_list *target, int6
 		sp = 0; //Not a valid SP target.
 
 	if (hp < 0) { //Assume absorbed damage.
-		status->heal(target, -hp, 0, 1);
+		status->heal(target, -hp, 0, STATUS_HEAL_FORCED);
 		hp = 0;
 	}
 
 	if (sp < 0) {
-		status->heal(target, 0, -sp, 1);
+		status->heal(target, 0, -sp, STATUS_HEAL_FORCED);
 		sp = 0;
 	}
 
@@ -1527,9 +1537,16 @@ static int status_damage(struct block_list *src, struct block_list *target, int6
 	return (int)(hp+sp);
 }
 
-//Heals a character. If flag&1, this is forced healing (otherwise stuff like Berserk can block it)
-//If flag&2, when the player is healed, show the HP/SP heal effect.
-static int status_heal(struct block_list *bl, int64 in_hp, int64 in_sp, int flag)
+/**
+ * Heals a character.
+ *
+ * @param bl    The target unit.
+ * @param in_hp Amount of HP to recover.
+ * @param in_sp Amount of SP to recover.
+ * @param flag  Additional options, @see enum status_heal_flag.
+ * @return The amount of HP + SP healed.
+ */
+static int status_heal(struct block_list *bl, int64 in_hp, int64 in_sp, enum status_heal_flag flag)
 {
 	struct status_data *st;
 	struct status_change *sc;
@@ -1555,10 +1572,10 @@ static int status_heal(struct block_list *bl, int64 in_hp, int64 in_sp, int flag
 		hp = 0;
 	}
 
-	if(hp) {
-		if( sc && sc->data[SC_BERSERK] ) {
-			if( flag&1 )
-				flag &= ~2;
+	if (hp != 0) {
+		if (sc && sc->data[SC_BERSERK] != NULL) {
+			if ((flag & STATUS_HEAL_FORCED) != 0)
+				flag &= ~STATUS_HEAL_SHOWEFFECT;
 			else
 				hp = 0;
 		}
@@ -1593,7 +1610,7 @@ static int status_heal(struct block_list *bl, int64 in_hp, int64 in_sp, int flag
 
 	// send hp update to client
 	switch(bl->type) {
-		case BL_PC:  pc->heal(BL_UCAST(BL_PC, bl), hp, sp, (flag&2) ? 1 : 0); break;
+		case BL_PC:  pc->heal(BL_UCAST(BL_PC, bl), hp, sp, (flag & STATUS_HEAL_SHOWEFFECT) != 0 ? 1 : 0); break;
 		case BL_MOB: mob->heal(BL_UCAST(BL_MOB, bl), hp); break;
 		case BL_HOM: homun->healed(BL_UCAST(BL_HOM, bl)); break;
 		case BL_MER: mercenary->heal(BL_UCAST(BL_MER, bl), hp, sp); break;
@@ -1648,18 +1665,18 @@ static int status_percent_change(struct block_list *src, struct block_list *targ
 		if (flag)
 			status->damage(src, target, INT_MAX, 0, 0, (!src||src==target?5:1));
 		else
-			status->heal(target, INT_MAX, 0, 0);
+			status->heal(target, INT_MAX, 0, STATUS_HEAL_DEFAULT);
 	}
 	if (sp > INT_MAX) {
 		sp -= INT_MAX;
 		if (flag)
 			status->damage(src, target, 0, INT_MAX, 0, (!src||src==target?5:1));
 		else
-			status->heal(target, 0, INT_MAX, 0);
+			status->heal(target, 0, INT_MAX, STATUS_HEAL_DEFAULT);
 	}
 	if (flag)
 		return status->damage(src, target, hp, sp, 0, (!src||src==target?5:1));
-	return status->heal(target, hp, sp, 0);
+	return status->heal(target, hp, sp, STATUS_HEAL_DEFAULT);
 }
 
 static int status_revive(struct block_list *bl, unsigned char per_hp, unsigned char per_sp)
@@ -9443,10 +9460,10 @@ static int status_change_start(struct block_list *src, struct block_list *bl, en
 					return 0;
 
 				PER( 100 / (status_get_max_hp(bl) / hp), lv );
-				status->heal(bl, (!(hp%2) ? (6-lv) *4 / 100 : -(lv*4) / 100), 0, 1);
+				status->heal(bl, (!(hp%2) ? (6-lv) *4 / 100 : -(lv*4) / 100), 0, STATUS_HEAL_FORCED);
 
 				PER( 100 / (status_get_max_sp(bl) / sp), lv );
-				status->heal(bl, 0,(!(sp%2) ? (6-lv) *3 / 100 : -(lv*3) / 100), 1);
+				status->heal(bl, 0,(!(sp%2) ? (6-lv) *3 / 100 : -(lv*3) / 100), STATUS_HEAL_FORCED);
 			}
 #undef PER
 				break;
@@ -9679,8 +9696,8 @@ static int status_change_start(struct block_list *src, struct block_list *bl, en
 	switch (type) {
 		case SC_BERSERK:
 			if (!(sce->val2)) { //don't heal if already set
-				status->heal(bl, st->max_hp, 0, 1); //Do not use percent_heal as this healing must override BERSERK's block.
-				status->set_sp(bl, 0, 0); //Damage all SP
+				status->heal(bl, st->max_hp, 0, STATUS_HEAL_FORCED); //Do not use percent_heal as this healing must override BERSERK's block.
+				status->set_sp(bl, 0, STATUS_HEAL_DEFAULT); //Damage all SP
 			}
 			sce->val2 = 5 * st->max_hp / 100;
 			break;
@@ -11006,7 +11023,7 @@ static int status_change_end_(struct block_list *bl, enum sc_type type, int tid,
 				status_percent_heal(bl, 100, 0);
 				status_change_end(bl, SC__BLOODYLUST, INVALID_TIMER);
 			} else if(st->hp > 100 && sce->val2) //If val2 is removed, no HP penalty (dispelled?) [Skotlex]
-				status->set_hp(bl, 100, 0);
+				status->set_hp(bl, 100, STATUS_HEAL_DEFAULT);
 			if(sc->data[SC_ENDURE] && sc->data[SC_ENDURE]->val4 == 2) {
 				sc->data[SC_ENDURE]->val4 = 0;
 				status_change_end(bl, SC_ENDURE, INVALID_TIMER);
@@ -11058,8 +11075,8 @@ static int status_change_end_(struct block_list *bl, enum sc_type type, int tid,
 			if (tid == INVALID_TIMER)
 				break;
 			// "lose almost all their HP and SP" on natural expiration.
-			status->set_hp(bl, 10, 0);
-			status->set_sp(bl, 10, 0);
+			status->set_hp(bl, 10, STATUS_HEAL_DEFAULT);
+			status->set_sp(bl, 10, STATUS_HEAL_DEFAULT);
 			break;
 		case SC_AUTOTRADE:
 			if (tid == INVALID_TIMER)
@@ -11470,8 +11487,8 @@ static int kaahi_heal_timer(int tid, int64 tick, int id, intptr_t data)
 	hp = st->max_hp - st->hp;
 	if (hp > sce->val2)
 		hp = sce->val2;
-	if (hp)
-		status->heal(bl, hp, 0, 2);
+	if (hp != 0)
+		status->heal(bl, hp, 0, STATUS_HEAL_SHOWEFFECT);
 	sce->val4 = INVALID_TIMER;
 	return 1;
 }
@@ -11677,7 +11694,7 @@ static int status_change_timer(int tid, int64 tick, int id, intptr_t data)
 				int hp = 0;
 				if (st->hp < st->max_hp)
 					hp = (sce->val1 < 0) ? (int)(sd->status.max_hp * -1 * sce->val1 / 100.) : sce->val1 ;
-				status->heal(bl, hp, 0, 2);
+				status->heal(bl, hp, 0, STATUS_HEAL_SHOWEFFECT);
 				sc_timer_next((sce->val2 * 1000) + tick, status->change_timer, bl->id, data);
 				return 0;
 			}
@@ -11826,7 +11843,7 @@ static int status_change_timer(int tid, int64 tick, int id, intptr_t data)
 			break;
 		case SC_ABUNDANCE:
 			if(--(sce->val4) > 0) {
-				status->heal(bl,0,60,0);
+				status->heal(bl, 0, 60, STATUS_HEAL_DEFAULT);
 				sc_timer_next(10000+tick, status->change_timer, bl->id, data);
 			}
 			break;
@@ -11942,7 +11959,7 @@ static int status_change_timer(int tid, int64 tick, int id, intptr_t data)
 					heal = ~heal + 1;
 
 				map->freeblock_lock();
-				status->heal(bl, heal, 0, 2);
+				status->heal(bl, heal, 0, STATUS_HEAL_SHOWEFFECT);
 				if( sc->data[type] ) {
 					sc_timer_next(5000 + tick, status->change_timer, bl->id, data);
 				}
@@ -12065,7 +12082,7 @@ static int status_change_timer(int tid, int64 tick, int id, intptr_t data)
 				if ( sc->data[type] ) {
 					sc_timer_next(1000 + tick, status->change_timer, bl->id, data);
 				}
-				status->heal(src, damage*(5 + 5 * sce->val1)/100, 0, 0); // 5 + 5% per level
+				status->heal(src, damage*(5 + 5 * sce->val1)/100, 0, STATUS_HEAL_DEFAULT); // 5 + 5% per level
 				map->freeblock_unlock();
 				return 0;
 			}
@@ -12082,7 +12099,7 @@ static int status_change_timer(int tid, int64 tick, int id, intptr_t data)
 		case SC_DEEP_SLEEP:
 			if( --(sce->val4) >= 0 )
 			{// Recovers 3% of the player's MaxHP/MaxSP every 2 seconds.
-				status->heal(bl, st->max_hp * 3 / 100, st->max_sp * 3 / 100, 2);
+				status->heal(bl, st->max_hp * 3 / 100, st->max_sp * 3 / 100, STATUS_HEAL_SHOWEFFECT);
 				sc_timer_next(2000 + tick, status->change_timer, bl->id, data);
 				return 0;
 			}
@@ -12092,7 +12109,7 @@ static int status_change_timer(int tid, int64 tick, int id, intptr_t data)
 			if( --(sce->val4) >= 0 ) {
 				if( !status->charge(bl,0,sce->val3) )
 					break;
-				status->heal(bl, sce->val2, 0, 1);
+				status->heal(bl, sce->val2, 0, STATUS_HEAL_FORCED);
 				sc_timer_next(1000 + tick, status->change_timer, bl->id, data);
 				return 0;
 			}
@@ -12100,7 +12117,7 @@ static int status_change_timer(int tid, int64 tick, int id, intptr_t data)
 
 		case SC_SONG_OF_MANA:
 			if( --(sce->val4) >= 0 ) {
-				status->heal(bl,0,sce->val3,3);
+				status->heal(bl, 0, sce->val3, STATUS_HEAL_FORCED | STATUS_HEAL_SHOWEFFECT);
 				sc_timer_next(5000 + tick, status->change_timer, bl->id, data);
 				return 0;
 			}
@@ -12294,7 +12311,7 @@ static int status_change_timer(int tid, int64 tick, int id, intptr_t data)
 			return 0;
 		case SC_MEIKYOUSISUI:
 			if( --(sce->val4) > 0 ) {
-				status->heal(bl, st->max_hp * (sce->val1+1) / 100, st->max_sp * sce->val1 / 100, 0);
+				status->heal(bl, st->max_hp * (sce->val1+1) / 100, st->max_sp * sce->val1 / 100, STATUS_HEAL_DEFAULT);
 				sc_timer_next(1000 + tick, status->change_timer, bl->id, data);
 				return 0;
 			}
@@ -12330,7 +12347,7 @@ static int status_change_timer(int tid, int64 tick, int id, intptr_t data)
 			break;
 		case SC_FRIGG_SONG:
 			if( --(sce->val4) > 0 ) {
-				status->heal(bl, sce->val3, 0, 0);
+				status->heal(bl, sce->val3, 0, STATUS_HEAL_DEFAULT);
 				sc_timer_next(1000 + tick, status->change_timer, bl->id, data);
 				return 0;
 			}
@@ -12912,7 +12929,7 @@ static int status_natural_heal(struct block_list *bl, va_list args)
 			sregen->tick.hp += val;
 			while(sregen->tick.hp >= (unsigned int)battle_config.natural_heal_skill_interval) {
 				sregen->tick.hp -= battle_config.natural_heal_skill_interval;
-				if(status->heal(bl, sregen->hp, 0, 3) < sregen->hp) {
+				if (status->heal(bl, sregen->hp, 0, STATUS_HEAL_FORCED | STATUS_HEAL_SHOWEFFECT) < sregen->hp) {
 					//Full
 					flag&=~(RGN_HP|RGN_SHP);
 					break;
@@ -12927,7 +12944,7 @@ static int status_natural_heal(struct block_list *bl, va_list args)
 			sregen->tick.sp += val;
 			while(sregen->tick.sp >= (unsigned int)battle_config.natural_heal_skill_interval) {
 				sregen->tick.sp -= battle_config.natural_heal_skill_interval;
-				if(status->heal(bl, 0, sregen->sp, 3) < sregen->sp) {
+				if (status->heal(bl, 0, sregen->sp, STATUS_HEAL_FORCED | STATUS_HEAL_SHOWEFFECT) < sregen->sp) {
 					//Full
 					flag&=~(RGN_SP|RGN_SSP);
 					break;
@@ -12976,7 +12993,7 @@ static int status_natural_heal(struct block_list *bl, va_list args)
 				val += regen->hp;
 				regen->tick.hp -= battle_config.natural_healhp_interval;
 			} while(regen->tick.hp >= (unsigned int)battle_config.natural_healhp_interval);
-			if (status->heal(bl, val, 0, 1) < val)
+			if (status->heal(bl, val, 0, STATUS_HEAL_FORCED) < val)
 				flag&=~RGN_SHP; //full.
 		}
 	}
@@ -12995,7 +13012,7 @@ static int status_natural_heal(struct block_list *bl, va_list args)
 				val += regen->sp;
 				regen->tick.sp -= battle_config.natural_healsp_interval;
 			} while(regen->tick.sp >= (unsigned int)battle_config.natural_healsp_interval);
-			if (status->heal(bl, 0, val, 1) < val)
+			if (status->heal(bl, 0, val, STATUS_HEAL_FORCED) < val)
 				flag&=~RGN_SSP; //full.
 		}
 	}
@@ -13012,7 +13029,7 @@ static int status_natural_heal(struct block_list *bl, va_list args)
 
 		while(sregen->tick.hp >= (unsigned int)battle_config.natural_heal_skill_interval) {
 			sregen->tick.hp -= battle_config.natural_heal_skill_interval;
-			if(status->heal(bl, sregen->hp, 0, 3) < sregen->hp)
+			if (status->heal(bl, sregen->hp, 0, STATUS_HEAL_FORCED | STATUS_HEAL_SHOWEFFECT) < sregen->hp)
 				break; //Full
 		}
 	}
@@ -13037,7 +13054,7 @@ static int status_natural_heal(struct block_list *bl, va_list args)
 				}
 			}
 			sregen->tick.sp -= battle_config.natural_heal_skill_interval;
-			if(status->heal(bl, 0, val, 3) < val)
+			if (status->heal(bl, 0, val, STATUS_HEAL_FORCED | STATUS_HEAL_SHOWEFFECT) < val)
 				break; //Full
 		}
 	}
diff --git a/src/map/status.h b/src/map/status.h
index 532efce17..35721c46a 100644
--- a/src/map/status.h
+++ b/src/map/status.h
@@ -99,6 +99,15 @@ enum scstart_flag {
 	SCFLAG_ALL = SCFLAG_NONE|SCFLAG_NOAVOID|SCFLAG_FIXEDTICK|SCFLAG_LOADED|SCFLAG_FIXEDRATE|SCFLAG_NOICON
 };
 
+/**
+ * Flags to be used with status->heal() and related functions.
+ */
+enum status_heal_flag {
+	STATUS_HEAL_DEFAULT     = 0x00, ///< Default
+	STATUS_HEAL_FORCED      = 0x01, ///< Forced healing (bypassing Berserk and similar)
+	STATUS_HEAL_SHOWEFFECT  = 0x02, ///< Show the HP/SP heal effect
+};
+
 // Status changes listing. These code are for use by the server.
 typedef enum sc_type {
 	SC_NONE = -1,
@@ -2309,9 +2318,9 @@ struct status_interface {
 	int (*charge) (struct block_list* bl, int64 hp, int64 sp);
 	int (*percent_change) (struct block_list *src,struct block_list *target,signed char hp_rate, signed char sp_rate, int flag);
 	//Used to set the hp/sp of an object to an absolute value (can't kill)
-	int (*set_hp) (struct block_list *bl, unsigned int hp, int flag);
-	int (*set_sp) (struct block_list *bl, unsigned int sp, int flag);
-	int (*heal) (struct block_list *bl,int64 hp,int64 sp, int flag);
+	int (*set_hp) (struct block_list *bl, unsigned int hp, enum status_heal_flag flag);
+	int (*set_sp) (struct block_list *bl, unsigned int sp, enum status_heal_flag flag);
+	int (*heal) (struct block_list *bl,int64 hp,int64 sp, enum status_heal_flag flag);
 	int (*revive) (struct block_list *bl, unsigned char per_hp, unsigned char per_sp);
 	int (*fixed_revive) (struct block_list *bl, unsigned int per_hp, unsigned int per_sp);
 	struct regen_data * (*get_regen_data) (struct block_list *bl);