Implement NPC_ALL_STAT_DOWN (#7637)

db/re/skill_db.yml

@@ -17907,6 +17907,18 @@ Body:
         NoReiteration: true
         NoOverlap: true
     Status: PropertyWalk
+  - Id: 751
+    Name: NPC_ALL_STAT_DOWN
+    Description: Decrease All Stats
+    MaxLevel: 5
+    TargetType: Attack
+    DamageFlags:
+      NoDamage: true
+    Flags:
+      IsNpc: true
+    Range: 9
+    Duration1: 10000
+    Status: ALL_STAT_DOWN
   - Id: 752
     Name: NPC_GRADUAL_GRAVITY
     Description: Increased Gravity

db/re/status.yml

@@ -8556,3 +8556,16 @@ Body:
       DisplayPc: true
       NoDispell: true
       NoClearance: true
+  - Status: ALL_STAT_DOWN
+    Icon: EFST_ALL_STAT_DOWN
+    DurationLookup: NPC_ALL_STAT_DOWN
+    CalcFlags:
+      Str: true
+      Agi: true
+      Vit: true
+      Int: true
+      Dex: true
+      Luk: true
+    Flags:
+      NoDispell: true
+      NoClearance: true

src/map/script_constants.hpp

@@ -1873,6 +1873,7 @@
 	export_constant(SC_GOLDENE_TONE);
 	export_constant(SC_TEMPERING);
 	export_constant(SC_GRADUAL_GRAVITY);
+	export_constant(SC_ALL_STAT_DOWN);
 
 #ifdef RENEWAL
 	export_constant(SC_EXTREMITYFIST2);

src/map/skill.cpp

@@ -7822,6 +7822,12 @@ int skill_castend_nodamage_id (struct block_list *src, struct block_list *bl, ui
 		clif_skill_nodamage(src, bl, skill_id, skill_lv, 1);
 		break;
 
+	case NPC_ALL_STAT_DOWN: 
+		status_change_start(src, bl, type, 10000, skill_lv, 0, 0, 0, skill_get_time(skill_id, skill_lv), SCSTART_NOAVOID|SCSTART_NOTICKDEF|SCSTART_NORATEDEF);
+		clif_skill_nodamage(src, bl, skill_id, skill_lv, 1);
+		clif_skill_damage(src, bl, tick, status_get_amotion(src), 0, -30000, 1, skill_id, skill_lv, DMG_SINGLE);
+		break;
+
 #ifdef RENEWAL
 	// EDP also give +25% WATK poison pseudo element to user.
 	case ASC_EDP:

src/map/status.cpp

@@ -6412,7 +6412,10 @@ static unsigned short status_calc_str(struct block_list *bl, status_change *sc,
 		str += sc->getSCE(SC_ALMIGHTY)->val1;
 	if (sc->getSCE(SC_ULTIMATECOOK))
 		str += sc->getSCE(SC_ULTIMATECOOK)->val1;
+	if (sc->getSCE(SC_ALL_STAT_DOWN))
+		str -= sc->getSCE(SC_ALL_STAT_DOWN)->val2;
 
+	//TODO: Stat points should be able to be decreased below 0
 	return (unsigned short)cap_value(str,0,USHRT_MAX);
 }
 
@@ -6496,7 +6499,10 @@ static unsigned short status_calc_agi(struct block_list *bl, status_change *sc,
 		agi += sc->getSCE(SC_ALMIGHTY)->val1;
 	if (sc->getSCE(SC_ULTIMATECOOK))
 		agi += sc->getSCE(SC_ULTIMATECOOK)->val1;
+	if (sc->getSCE(SC_ALL_STAT_DOWN))
+		agi -= sc->getSCE(SC_ALL_STAT_DOWN)->val2;
 
+	//TODO: Stat points should be able to be decreased below 0
 	return (unsigned short)cap_value(agi,0,USHRT_MAX);
 }
 
@@ -6572,7 +6578,10 @@ static unsigned short status_calc_vit(struct block_list *bl, status_change *sc,
 		vit += sc->getSCE(SC_ULTIMATECOOK)->val1;
 	if (sc->getSCE(SC_CUP_OF_BOZA))
 		vit += 10;
+	if (sc->getSCE(SC_ALL_STAT_DOWN))
+		vit -= sc->getSCE(SC_ALL_STAT_DOWN)->val2;
 
+	//TODO: Stat points should be able to be decreased below 0
 	return (unsigned short)cap_value(vit,0,USHRT_MAX);
 }
 
@@ -6661,7 +6670,10 @@ static unsigned short status_calc_int(struct block_list *bl, status_change *sc,
 		int_ += sc->getSCE(SC_ALMIGHTY)->val1;
 	if (sc->getSCE(SC_ULTIMATECOOK))
 		int_ += sc->getSCE(SC_ULTIMATECOOK)->val1;
+	if (sc->getSCE(SC_ALL_STAT_DOWN))
+		int_ -= sc->getSCE(SC_ALL_STAT_DOWN)->val2;
 
+	//TODO: Stat points should be able to be decreased below 0
 	return (unsigned short)cap_value(int_,0,USHRT_MAX);
 }
 
@@ -6747,7 +6759,10 @@ static unsigned short status_calc_dex(struct block_list *bl, status_change *sc,
 		dex += sc->getSCE(SC_ALMIGHTY)->val1;
 	if (sc->getSCE(SC_ULTIMATECOOK))
 		dex += sc->getSCE(SC_ULTIMATECOOK)->val1;
+	if (sc->getSCE(SC_ALL_STAT_DOWN))
+		dex -= sc->getSCE(SC_ALL_STAT_DOWN)->val2;
 
+	//TODO: Stat points should be able to be decreased below 0
 	return (unsigned short)cap_value(dex,0,USHRT_MAX);
 }
 
@@ -6821,7 +6836,10 @@ static unsigned short status_calc_luk(struct block_list *bl, status_change *sc,
 		luk += sc->getSCE(SC_ULTIMATECOOK)->val1;
 	if (sc->getSCE(SC_MYSTICPOWDER))
 		luk += 10;
+	if (sc->getSCE(SC_ALL_STAT_DOWN))
+		luk -= sc->getSCE(SC_ALL_STAT_DOWN)->val2;
 
+	//TODO: Stat points should be able to be decreased below 0
 	return (unsigned short)cap_value(luk,0,USHRT_MAX);
 }
 
@@ -10895,6 +10913,12 @@ int status_change_start(struct block_list* src, struct block_list* bl,enum sc_ty
 			tick_time = status_get_sc_interval(type);
 			val4 = tick - tick_time; // Remaining time
 			break;
+		case SC_ALL_STAT_DOWN:
+			val2 = 20 * val1;
+			if( val1 < skill_get_max( NPC_ALL_STAT_DOWN ) ){
+				val2 -= 10;
+			}
+			break;
 		case SC_BOSSMAPINFO:
 			if( sd != NULL ) {
 				struct mob_data *boss_md = map_getmob_boss(bl->m); // Search for Boss on this Map

src/map/status.hpp

@@ -1264,6 +1264,7 @@ enum sc_type : int16 {
 	SC_TEMPERING,
 
 	SC_GRADUAL_GRAVITY,
+	SC_ALL_STAT_DOWN,
 
 #ifdef RENEWAL
 	SC_EXTREMITYFIST2, //! NOTE: This SC should be right before SC_MAX, so it doesn't disturb if RENEWAL is disabled