public async Task<bool> Use(Actor user,List<Tile> line){
			bool used = true;
			switch(itype){
			case ConsumableType.HEALING:
				await user.TakeDamage(DamageType.HEAL,DamageClass.NO_TYPE,50,null); //was Roll(8,6)
				B.Add("A blue glow surrounds " + user.the_name + ". ",new PhysicalObject[]{user});
				break;
			case ConsumableType.TOXIN_IMMUNITY:
				if(!user.HasAttr(AttrType.IMMUNE_TOXINS)){
					if(user.HasAttr(AttrType.POISONED)){
						user.attrs[AttrType.POISONED] = 0;
						B.Add(user.YouFeel() + " relieved. ",user);
					}
					user.GainAttr(AttrType.IMMUNE_TOXINS,5100,user.YouAre() + " no longer immune to toxins. ",new PhysicalObject[]{user});
				}
				else{
					B.Add("Nothing happens. ",user);
				}
				break;
			case ConsumableType.REGENERATION:
			{
				user.attrs[AttrType.REGENERATING]++;
				if(user.name == "you"){
					B.Add("Your blood tingles. ",user);
				}
				else{
					B.Add(user.the_name + " looks energized. ",user);
				}
				int duration = 60; //was Roll(10)+20
				Q.Add(new Event(user,duration*100,AttrType.REGENERATING));
				break;
			}
			/*case ConsumableType.RESISTANCE:
				{
				user.attrs[AttrType.RESIST_FIRE]++;
				user.attrs[AttrType.RESIST_COLD]++;
				user.attrs[AttrType.RESIST_ELECTRICITY]++;
				B.Add(user.YouFeel() + " insulated. ",user);
				int duration = Global.Roll(2,10)+5;
				Q.Add(new Event(user,duration*100,AttrType.RESIST_FIRE));
				Q.Add(new Event(user,duration*100,AttrType.RESIST_COLD));
				Q.Add(new Event(user,duration*100,AttrType.RESIST_ELECTRICITY,user.YouFeel() + " less insulated. ",user));
				if(user.HasAttr(AttrType.ON_FIRE) || user.HasAttr(AttrType.CATCHING_FIRE)
				|| user.HasAttr(AttrType.STARTED_CATCHING_FIRE_THIS_TURN)){
					B.Add(user.YouAre() + " no longer on fire. ",user);
					int oldradius = user.LightRadius();
					user.attrs[AttrType.ON_FIRE] = 0;
					user.attrs[AttrType.CATCHING_FIRE] = 0;
					user.attrs[AttrType.STARTED_CATCHING_FIRE_THIS_TURN] = 0;
					if(oldradius != user.LightRadius()){
						user.UpdateRadius(oldradius,user.LightRadius());
					}
				}
				break;
				}*/
			case ConsumableType.CLARITY:
				user.ResetSpells();
				if(user.name == "you"){
					B.Add("Your mind clears. ");
				}
				else{
					B.Add(user.the_name + " seems focused. ",user);
				}
				break;
			case ConsumableType.CLOAKING:
				if(user.tile().IsLit()){
					B.Add("You would feel at home in the shadows. ");
				}
				else{
					B.Add("You fade away in the darkness. ");
				}
				user.GainAttrRefreshDuration(AttrType.SHADOW_CLOAK,(Global.Roll(41)+29)*100,"You are no longer cloaked. ",user);
				break;
			case ConsumableType.BLINKING:
				for(int i=0;i<9999;++i){
					int rr = Global.Roll(1,17) - 9;
					int rc = Global.Roll(1,17) - 9;
					if(Math.Abs(rr) + Math.Abs(rc) >= 6){
						rr += user.row;
						rc += user.col;
						if(M.BoundsCheck(rr,rc) && M.tile[rr,rc].passable && M.actor[rr,rc] == null){
							B.Add(user.You("step") + " through a rip in reality. ",new PhysicalObject[]{M.tile[user.row,user.col],M.tile[rr,rc]});
							user.AnimateStorm(2,3,4,"*",Color.DarkMagenta);
                            await user.Move(rr, rc);
							M.Draw();
							user.AnimateStorm(2,3,4,"*",Color.DarkMagenta);
							break;
						}
					}
				}
				break;
			case ConsumableType.TELEPORTATION:
				for(int i=0;i<9999;++i){
					int rr = Global.Roll(1,Global.ROWS-2);
					int rc = Global.Roll(1,Global.COLS-2);
					if(Math.Abs(rr-user.row) >= 10 || Math.Abs(rc-user.col) >= 10 || (Math.Abs(rr-user.row) >= 7 && Math.Abs(rc-user.col) >= 7)){
						if(M.BoundsCheck(rr,rc) && M.tile[rr,rc].passable && M.actor[rr,rc] == null){
                            B.Add(user.You("jump") + " through a rift in reality. ", new PhysicalObject[] { M.tile[user.row, user.col], M.tile[rr, rc] });
							user.AnimateStorm(3,3,10,"*",Color.Green);
                            await user.Move(rr, rc);
							M.Draw();
							user.AnimateStorm(3,3,10,"*",Color.Green);
							break;
						}
					}
				}
				break;
			case ConsumableType.PASSAGE:
				{
				int i = user.DirectionOfOnlyUnblocked(TileType.WALL,true);
				if(i == 0){
					B.Add("This item requires an adjacent wall. ");
					used = false;
					break;
				}
				else{
					i = await user.GetDirection(true,false);
					Tile t = user.TileInDirection(i);
					if(t != null){
						if(t.ttype == TileType.WALL){
							Game.Console.CursorVisible = false;
							colorchar ch = new colorchar(Color.Cyan,"!");
							switch(user.DirectionOf(t)){
							case 8:
							case 2:
								ch.c = "|";
								break;
							case 4:
							case 6:
								ch.c = "-";
								break;
							}
							List<Tile> tiles = new List<Tile>();
							List<colorchar> memlist = new List<colorchar>();
							while(!t.passable){
								if(t.row == 0 || t.row == Global.ROWS-1 || t.col == 0 || t.col == Global.COLS-1){
									break;
								}
								tiles.Add(t);
								memlist.Add(Screen.MapChar(t.row,t.col));
								Screen.WriteMapChar(t.row,t.col,ch);
                                await Task.Delay(35);
								t = t.TileInDirection(i);
							}
							if(t.passable && M.actor[t.row,t.col] == null){
								if(M.tile[user.row,user.col].inv != null){
									Screen.WriteMapChar(user.row,user.col,new colorchar(user.tile().inv.color,user.tile().inv.symbol));
								}
								else{
									Screen.WriteMapChar(user.row,user.col,new colorchar(user.tile().color,user.tile().symbol));
								}
								Screen.WriteMapChar(t.row,t.col,new colorchar(user.color,user.symbol));
								int j = 0;
								foreach(Tile tile in tiles){
									Screen.WriteMapChar(tile.row,tile.col,memlist[j++]);
                                    await Task.Delay(35);
								}
								B.Add(user.You("travel") + " through the passage. ",user,t);
                                await user.Move(t.row, t.col);
							}
							else{
								int j = 0;
								foreach(Tile tile in tiles){
									Screen.WriteMapChar(tile.row,tile.col,memlist[j++]);
                                    await Task.Delay(35);
								}
								B.Add("The passage is blocked. ",user);
							}
						}
						else{
							B.Add("This item requires an adjacent wall. ");
							used = false;
							break;
						}
					}
					else{
						used = false;
					}
				}
				break;
				}
			case ConsumableType.TIME:
				B.Add("Time stops for a moment. ");
				Q.turn -= 200;
				break;
			case ConsumableType.DETECT_MONSTERS:
			{
				//user.attrs[AttrType.DETECTING_MONSTERS]++;
				B.Add("The scroll reveals " + user.Your() + " foes. ",user);
				int duration = Global.Roll(20)+30;
				//Q.Add(new Event(user,duration*100,AttrType.DETECTING_MONSTERS,user.Your() + " foes are no longer revealed. ",user));
				user.GainAttrRefreshDuration(AttrType.DETECTING_MONSTERS,duration*100,user.Your() + " foes are no longer revealed. ",user);
				break;
			}
			case ConsumableType.MAGIC_MAP:
			{
				B.Add("The scroll reveals the layout of this level. ");
				Event hiddencheck = null;
				foreach(Event e in Q.list){
					if(!e.dead && e.evtype == EventType.CHECK_FOR_HIDDEN){
						hiddencheck = e;
						break;
					}
				}
				foreach(Tile t in M.AllTiles()){
					if(t.ttype != TileType.FLOOR){
						bool good = false;
						foreach(Tile neighbor in t.TilesAtDistance(1)){
							if(neighbor.ttype != TileType.WALL){
								good = true;
							}
						}
						if(good){
							t.seen = true;
							if(t.IsTrapOrVent() || t.Is(TileType.HIDDEN_DOOR)){
								if(hiddencheck != null){
									hiddencheck.area.Remove(t);
								}
							}
							if(t.IsTrapOrVent()){
								t.name = Tile.Prototype(t.ttype).name;
								t.a_name = Tile.Prototype(t.ttype).a_name;
								t.the_name = Tile.Prototype(t.ttype).the_name;
								t.symbol = Tile.Prototype(t.ttype).symbol;
								t.color = Tile.Prototype(t.ttype).color;
							}
							if(t.Is(TileType.HIDDEN_DOOR)){
								t.Toggle(null);
							}
						}
					}
				}
				break;
			}
			case ConsumableType.SUNLIGHT:
				if(!M.wiz_lite){
					M.wiz_lite = true;
					M.wiz_dark = false;
					B.Add("The air itself seems to shine. ");
				}
				else{
					B.Add("Nothing happens. ");
				}
				break;
			case ConsumableType.DARKNESS:
				if(!M.wiz_dark){
					M.wiz_dark = true;
					M.wiz_lite = false;
					B.Add("The air itself grows dark. ");
				}
				else{
					B.Add("Nothing happens. ");
				}
				break;
			case ConsumableType.PRISMATIC:
			{
				if(line == null){
					line = await user.GetTarget(12,1);
				}
				if(line != null){
					Tile t = line.Last();
					Tile prev = line.LastBeforeSolidTile();
					Actor first = user.FirstActorInLine(line); //todo - consider allowing thrown items to pass over actors, because they fly in an arc
					B.Add(user.You("throw") + " the prismatic orb. ",user);
					if(first != null){
						t = first.tile();
						B.Add("It shatters on " + first.the_name + "! ",first);
					}
					else{
						B.Add("It shatters on " + t.the_name + "! ",t);
					}
					user.AnimateProjectile(line.ToFirstObstruction(),"*",Color.RandomPrismatic);
					List<DamageType> dmg = new List<DamageType>();
					dmg.Add(DamageType.FIRE);
					dmg.Add(DamageType.COLD);
					dmg.Add(DamageType.ELECTRIC);
					while(dmg.Count > 0){
						DamageType damtype = dmg.Random();
						colorchar ch = new colorchar(Color.Black,"*");
						switch(damtype){
						case DamageType.FIRE:
							ch.color = Color.RandomFire;
							break;
						case DamageType.COLD:
							ch.color = Color.RandomIce;
							break;
						case DamageType.ELECTRIC:
							ch.color = Color.RandomLightning;
							break;
						}
						B.DisplayNow();
						Screen.AnimateExplosion(t,1,ch,100);
						if(t.passable){
							foreach(Tile t2 in t.TilesWithinDistance(1)){
								if(t2.actor() != null){
									await t2.actor().TakeDamage(damtype,DamageClass.MAGICAL,Global.Roll(2,6),user,"a prismatic orb");
								}
								if(damtype == DamageType.FIRE && t2.Is(FeatureType.TROLL_CORPSE)){
									t2.features.Remove(FeatureType.TROLL_CORPSE);
									B.Add("The troll corpse burns to ashes! ",t2);
								}
								if(damtype == DamageType.FIRE && t2.Is(FeatureType.TROLL_SEER_CORPSE)){
									t2.features.Remove(FeatureType.TROLL_SEER_CORPSE);
									B.Add("The troll seer corpse burns to ashes! ",t2);
								}
							}
						}
						else{
							foreach(Tile t2 in t.TilesWithinDistance(1)){
								if(prev != null && prev.HasBresenhamLine(t2.row,t2.col)){
									if(t2.actor() != null){
										await t2.actor().TakeDamage(damtype,DamageClass.MAGICAL,Global.Roll(2,6),user,"a prismatic orb");
									}
									if(damtype == DamageType.FIRE && t2.Is(FeatureType.TROLL_CORPSE)){
										t2.features.Remove(FeatureType.TROLL_CORPSE);
										B.Add("The troll corpse burns to ashes! ",t2);
									}
									if(damtype == DamageType.FIRE && t2.Is(FeatureType.TROLL_SEER_CORPSE)){
										t2.features.Remove(FeatureType.TROLL_SEER_CORPSE);
										B.Add("The troll seer corpse burns to ashes! ",t2);
									}
								}
							}
						}
						dmg.Remove(damtype);
					}
				}
				else{
					used = false;
				}
				break;
			}
			case ConsumableType.FREEZING:
			{
				if(line == null){
					line = await user.GetTarget(12,3);
				}
				if(line != null){
					Tile t = line.Last();
					Tile prev = line.LastBeforeSolidTile();
					Actor first = user.FirstActorInLine(line);
					B.Add(user.You("throw") + " the freezing orb. ",user);
					if(first != null){
						t = first.tile();
						B.Add("It shatters on " + first.the_name + "! ",first);
					}
					else{
						B.Add("It shatters on " + t.the_name + "! ",t);
					}
					user.AnimateProjectile(line.ToFirstObstruction(),"*",Color.RandomIce);
					user.AnimateExplosion(t,3,"*",Color.Cyan);
					List<Actor> targets = new List<Actor>();
					if(t.passable){
						foreach(Actor ac in t.ActorsWithinDistance(3)){
							if(t.HasLOE(ac)){
								targets.Add(ac);
							}
						}
					}
					else{
						foreach(Actor ac in t.ActorsWithinDistance(3)){
							if(prev != null && prev.HasLOE(ac)){
								targets.Add(ac);
							}
						}
					}
					while(targets.Count > 0){
						Actor ac = targets.RemoveRandom();
						B.Add(ac.YouAre() + " encased in ice. ",ac);
						ac.attrs[Forays.AttrType.FROZEN] = 25;
					}
				}
				else{
					used = false;
				}
				break;
			}
			case ConsumableType.QUICKFIRE:
			{
				if(line == null){
					line = await user.GetTarget(12,-1);
				}
				if(line != null){
					Tile t = line.Last();
					Tile prev = line.LastBeforeSolidTile();
					Actor first = user.FirstActorInLine(line);
					B.Add(user.You("throw") + " the orb of quickfire. ",user);
					if(first != null){
						t = first.tile();
						B.Add("It shatters on " + first.the_name + "! ",first);
					}
					else{
						B.Add("It shatters on " + t.the_name + "! ",t);
					}
					user.AnimateProjectile(line.ToFirstObstruction(),"*",Color.RandomFire);
					if(t.passable){
						t.features.Add(FeatureType.QUICKFIRE);
						Q.Add(new Event(t,new List<Tile>{t},100,EventType.QUICKFIRE,AttrType.NO_ATTR,3,""));
					}
					else{
						prev.features.Add(FeatureType.QUICKFIRE);
						Q.Add(new Event(prev,new List<Tile>{prev},100,EventType.QUICKFIRE,AttrType.NO_ATTR,3,""));
					}
				}
				else{
					used = false;
				}
				break;
			}
			case ConsumableType.FOG:
			{
				if(line == null){
					line = await user.GetTarget(12,-3);
				}
				if(line != null){
					Tile t = line.Last();
					Tile prev = line.LastBeforeSolidTile();
					Actor first = user.FirstActorInLine(line);
					B.Add(user.You("throw") + " the orb of fog. ",user);
					if(first != null){
						t = first.tile();
						B.Add("It shatters on " + first.the_name + "! ",first);
					}
					else{
						B.Add("It shatters on " + t.the_name + "! ",t);
					}
					user.AnimateProjectile(line.ToFirstObstruction(),"*",Color.Gray);
					List<Tile> area = new List<Tile>();
					List<pos> cells = new List<pos>();
					if(t.passable){
						foreach(Tile tile in t.TilesWithinDistance(3)){
							if(tile.passable && t.HasLOE(tile)){
								tile.AddOpaqueFeature(FeatureType.FOG);
								area.Add(tile);
								cells.Add(tile.p);
							}
						}
					}
					else{
						foreach(Tile tile in t.TilesWithinDistance(3)){
							if(prev != null && tile.passable && prev.HasLOE(tile)){
								tile.AddOpaqueFeature(FeatureType.FOG);
								area.Add(tile);
								cells.Add(tile.p);
							}
						}
					}
					Screen.AnimateMapCells(cells,new colorchar("*",Color.Gray));
					Q.Add(new Event(area,400,EventType.FOG));
				}
				else{
					used = false;
				}
				break;
			}
			case ConsumableType.BANDAGE:
				await user.TakeDamage(DamageType.HEAL,DamageClass.NO_TYPE,1,null);
				if(user.HasAttr(AttrType.MAGICAL_BLOOD)){
					user.recover_time = Q.turn + 200;
				}
				else{
					user.recover_time = Q.turn + 500;
				}
				if(user.name == "you"){
					B.Add("You apply a bandage. ");
				}
				else{
					B.Add(user.the_name + " applies a bandage. ",user);
				}
				break;
			default:
				used = false;
				break;
			}
			if(used){
				if(quantity > 1){
					--quantity;
				}
				else{
					if(user != null){
						user.inv.Remove(this);
					}
				}
			}
			return used;
		}