d4djparkingcalculator/parkingcalc.html

const MAXSTEPS= 10000

	function Plural(t) {
		return t==1?"":"s"
	}

	function test(){
		var start = Math.abs(Math.max(0,Number(document.getElementById("starting").value)))
		var end = Math.abs(Math.max(0,Number(document.getElementById("ending").value)))
		var bonus = Number(document.getElementById("team").value)
		var type = (document.getElementById("Bingo").checked?"Bingo":
		document.getElementById("Poker").checked?"Poker/Raid":
		"Medley")
		var flexible = document.getElementById("flexible").checked
		//document.getElementById("console").value=flexible+"...\n\n"
		var step=1
		var flameCount=0
		var originalTarget=start
		document.getElementById("console").value=""

		var interval = (type=="Medley")?15000:10000
		
		var maxscore = Math.floor(Math.abs(Math.max(0,Number(document.getElementById("maxscore").value)))/interval)*interval

		function EPCalc(voltage,score,bonus) {
			if (voltage>0) {
				switch (type) {
					case "Bingo":{
						return voltage * Math.floor((1 + bonus)*Math.max(10,Math.floor(score/interval)))
					}break;
					case "Medley":{
						return voltage * Math.floor((1 + bonus)*(10+Math.floor(score/interval)))
					}break;
					case "Poker/Raid":{
						return voltage * Math.floor((1 + bonus)*(50 + Math.floor(score/interval)))
					}break;
				}
			} else {
				return Math.round(bonus*10)+10
			}
		}

		function EvenOdd(val) {
			return val%2==0?"even":"odd"
		}

		function TryBiggestGain(tbonus) {
			var voltage=5
			for (var i=maxscore;i>=maxscore*0.8;i-=interval) {
				if (start+EPCalc(voltage,i,tbonus)<end-10||start+EPCalc(voltage,i,tbonus)==end) {
					//document.getElementById("console").value+="Ending value needs to be "+EvenOdd(end-10)+"\n"
					if (EvenOdd(start+EPCalc(voltage,i,tbonus))==EvenOdd(end-10)) {
						//document.getElementById("console").value+=EvenOdd(start+EPCalc(voltage,i,tbonus))+"/"+EvenOdd(end-10)+"\n"
						start+=EPCalc(voltage,i,tbonus)
						flameCount+=voltage
						document.getElementById("console").value+="Step "+(step++)+") Using "+voltage+" voltage w/"+Math.round(tbonus*100)+"% team, score between "+i+"~"+(i+interval-1)+" pts. EP +"+EPCalc(voltage,i,tbonus)+". Remaining:"+(end-start)+" EP \n"
						return true
					}
				}
			}
			return false
		}

		function TrySmallerGain(voltage,tbonus) {
			for (var i=maxscore;i>=maxscore*0.8;i-=interval) {
				if (start+EPCalc(voltage,i,tbonus)<end-10||start+EPCalc(voltage,i,tbonus)==end) {
					//document.getElementById("console").value+="Ending value needs to be "+EvenOdd(end-10)+"\n"
					if (EvenOdd(start+EPCalc(voltage,i,tbonus))==EvenOdd(end-10)||start+EPCalc(voltage,i,tbonus)==end) {
						//document.getElementById("console").value+=EvenOdd(start+EPCalc(voltage,i,tbonus))+"/"+EvenOdd(end-10)+"\n"
						start+=EPCalc(voltage,i,tbonus)
						flameCount+=voltage
						document.getElementById("console").value+="Step "+(step++)+") Using "+voltage+" voltage w/"+Math.round(tbonus*100)+"% team, score between "+i+"~"+(i+interval-1)+" pts. EP +"+EPCalc(voltage,i,tbonus)+". Remaining:"+(end-start)+" EP \n"
						return true
					}
				}
			}
			return false
		}

		function TrySmolGain(voltage,tbonus) {
			for (var i=maxscore;i>=0;i-=interval) {
				if ((EPCalc(voltage,i,tbonus)>=(10+Math.round(bonus*10))&&(start+EPCalc(voltage,i,tbonus)<=end-(10+Math.round(bonus*10))))||start+EPCalc(voltage,i,tbonus)==end) {
					//document.getElementById("console").value+="Ending value needs to be "+EvenOdd(end-10)+"\n"
					if (EvenOdd(start+EPCalc(voltage,i,tbonus))==EvenOdd(end-10)||start+EPCalc(voltage,i,tbonus)==end) {
						//document.getElementById("console").value+=EvenOdd(start+EPCalc(voltage,i,tbonus))+"/"+EvenOdd(end-10)+"\n"
						start+=EPCalc(voltage,i,tbonus)
						flameCount+=voltage
						document.getElementById("console").value+="Step "+(step++)+") Using "+voltage+" voltage w/"+Math.round(tbonus*100)+"% team, score between "+i+"~"+(i+interval-1)+" pts. EP +"+EPCalc(voltage,i,tbonus)+". Remaining:"+(end-start)+" EP \n"
						return true
					}
				}
			}
			for (var i=maxscore;i>=0;i-=interval) {
				if (EvenOdd(start+EPCalc(voltage,i,tbonus))!=EvenOdd(end-10)&&(start+EPCalc(voltage,i,tbonus))==end) {
					//document.getElementById("console").value+="Ending value needs to be "+EvenOdd(end-10)+"\n"
					//document.getElementById("console").value+=EvenOdd(start+EPCalc(voltage,i,tbonus))+"/"+EvenOdd(end-10)+"\n"
					start+=EPCalc(voltage,i,tbonus)
					flameCount+=voltage
					document.getElementById("console").value+="Step "+(step++)+") Using "+voltage+" voltage w/"+Math.round(tbonus*100)+"% team, score between "+i+"~"+(i+interval-1)+" pts. EP +"+EPCalc(voltage,i,tbonus)+". Remaining:"+(end-start)+" EP \n"
					return true
				}
			}
			/*for (var i=maxscore;i>=0;i-=interval) {
				if ((start+EPCalc(voltage,i,tbonus))==end) {
					//document.getElementById("console").value+="Ending value needs to be "+EvenOdd(end-10)+"\n"
					//document.getElementById("console").value+=EvenOdd(start+EPCalc(voltage,i,tbonus))+"/"+EvenOdd(end-10)+"\n"
					start+=EPCalc(voltage,i,tbonus)
					flameCount+=voltage
					document.getElementById("console").value+="Step "+(step++)+") Using "+voltage+" voltage w/"+Math.round(tbonus*100)+"% team, score between "+i+"~"+(i+interval-1)+" pts. EP +"+EPCalc(voltage,i,tbonus)+". Remaining:"+(end-start)+" EP \n"
					return true
				}
			}*/
			for (var i=maxscore;i>=0;i-=interval) {
				if (EvenOdd(start+EPCalc(voltage,i,tbonus))!=EvenOdd(end-10)&&(start+EPCalc(voltage,i,tbonus))==end) {
					//document.getElementById("console").value+="Ending value needs to be "+EvenOdd(end-10)+"\n"
					//document.getElementById("console").value+=EvenOdd(start+EPCalc(voltage,i,tbonus))+"/"+EvenOdd(end-10)+"\n"
					start+=EPCalc(voltage,i,tbonus)
					flameCount+=voltage
					document.getElementById("console").value+="Step "+(step++)+") Using "+voltage+" voltage w/"+Math.round(tbonus*100)+"% team, score between "+i+"~"+(i+interval-1)+" pts. EP +"+EPCalc(voltage,i,tbonus)+". Remaining:"+(end-start)+" EP \n"
					return true
				}
			}
			return false
		}

		function TryEqualGain(voltage,tbonus) {
			for (var i=maxscore;i>=0;i-=interval) {
			//document.getElementById("console").value+=(start+EPCalc(voltage,i,tbonus))+"/"+end+"\n"
				if ((start+EPCalc(voltage,i,tbonus))==end) {
					//document.getElementById("console").value+="Ending value needs to be "+EvenOdd(end-10)+"\n"
					//document.getElementById("console").value+=EvenOdd(start+EPCalc(voltage,i,tbonus))+"/"+EvenOdd(end-10)+"\n"
					start+=EPCalc(voltage,i,tbonus)
					flameCount+=voltage
					document.getElementById("console").value+="Step "+(step++)+") Using "+voltage+" voltage w/"+Math.round(tbonus*100)+"% team, score between "+i+"~"+(i+interval-1)+" pts. EP +"+EPCalc(voltage,i,tbonus)+". Remaining:"+(end-start)+" EP \n"
					return true
				}
			}
			if (end==start) {
				return false
			} else {
				return undefined
			}
		}

		function TryMatchingRehearsal(tbonus) {
			//document.getElementById("console").value+=(Math.round(tbonus*10))+10
			if (end-start==(Math.round(tbonus*10))+10) {
				var gain=(Math.round(tbonus*10))+10
				start+=gain
				document.getElementById("console").value+="Step "+(step++)+") Use Rehearsal w/"+Math.round(tbonus*100)+"% team. EP +"+gain+". Remaining:"+(end-start)+" EP \n"
				return false
			}
			return true
		}

		function TryRehearsal(tbonus) {
			if (end==start) {
				return false
			}
			var voltage=0
			if ((end-start)%2!==0) {
				return undefined
			}

			if (end-start>(10+Math.round(tbonus*10))+10) {
				var gain=(10+Math.round(tbonus*10))
				start+=gain
				//document.getElementById("console").value+="1)"
				document.getElementById("console").value+="Step "+(step++)+") Use Rehearsal w/"+Math.round(tbonus*100)+"% team. EP +"+gain+". Remaining:"+(end-start)+" EP \n"
				return true
			} else 
			for (var j=tbonus;j>=0;j-=0.2) {
				result = TryMatchingRehearsal(j)
				if (!result) {
					return false
				}
			}
			if (end-start>=20) {
				var gain=end-start-10
				start+=gain
				//document.getElementById("console").value+="2)"
				document.getElementById("console").value+="Step "+(step++)+") Use Rehearsal w/"+((gain-10)*10)+"% team. EP +"+gain+". Remaining:"+(end-start)+" EP \n"
				return true
			} else 
			if ((end-start)%10==0) {
				var gain=10
				start+=gain
				//document.getElementById("console").value+="3)"
				document.getElementById("console").value+="Step "+(step++)+") Use Rehearsal w/0% team. EP +"+gain+". Remaining:"+(end-start)+" EP \n"
				return false
			} else 
			{
				var gain=end-start
				if (((gain-10)*10)>=0) {
					start+=gain
					//document.getElementById("console").value+="4)"
					document.getElementById("console").value+="Step "+(step++)+") Use Rehearsal w/"+((gain-10)*10)+"% team. EP +"+(gain)+". Remaining:"+(end-start)+" EP \n"
					return false					
				} else {
					return undefined
				}
			}

			return false
			/*var voltage=0
			if (end-start>36) {
				start+=26
				document.getElementById("console").value+="Step "+(step++)+") Use Rehearsal w/"+(1.6*100)+"% team. EP +"+EPCalc(voltage,1,1.6)+". Remaining:"+(end-start)+" EP \n"
				return true
			} else
			if (end-start>20) {
				var bonus = (end-start-20)*10
				var gain = end-start-10
				start+=end-start-10
				document.getElementById("console").value+="Step "+(step++)+") Use Rehearsal w/"+(bonus)+"% team. EP +"+gain+". Remaining:"+(end-start)+" EP \n"
				if ((bonus/10)%2!=0) {
					return undefined
				} else {
					return true
				}
			} else {
				if (end-start<10||(end-start)%2!=0) {
					return undefined
				}
				var bonus = ((end-start-10)/20)*2
				start+=end-start
				document.getElementById("console").value+="Step "+(step++)+") Use Rehearsal w/"+((bonus)*100)+"% team. EP +"+EPCalc(voltage,1,bonus)+". Remaining:"+(end-start)+" EP \n"
				
				return false
			}
			return true*/
		}

		if ((end-start)>1000000) {
			document.getElementById("console").value="Get closer to target score before using parking calculator!"
		}
		 else {
			var result=true
			if (maxscore>0) {
				if (flexible) {
					for (var j=bonus;j>=0;j-=0.2) {
						while (TryBiggestGain(j)) {
							//document.getElementById("console").value+=+start+" EP"+"\n"
						}
						for (var i=4;i>0;i--) {
							while (TrySmallerGain(i,j)) {
								//document.getElementById("console").value+="Step "+(step++)+")"+start+" EP"+"\n"
							}
						}
						for (var i=5;i>0;i--) {
							while (TrySmolGain(i,j)) {
								//document.getElementById("console").value+="Step "+(step++)+")"+start+" EP"+"\n"
							}
						}
					}
				} else {
					while (TryBiggestGain(bonus)) {
						//document.getElementById("console").value+=+start+" EP"+"\n"
					}
					for (var i=4;i>0;i--) {
						while (TrySmallerGain(i,bonus)) {
							//document.getElementById("console").value+="Step "+(step++)+")"+start+" EP"+"\n"
						}
					}
					for (var i=5;i>0;i--) {
						while (TrySmolGain(i,bonus)) {
							//document.getElementById("console").value+="Step "+(step++)+")"+start+" EP"+"\n"
						}
					}
				}
			}
			for (var j=bonus;j>=0;j-=0.2) {
				result = TryMatchingRehearsal(j)
				if (!result) {
					break;
				}
			}
			if (result) {
				for (var j=1.6;j>=0;j-=0.2) {
					result = TryMatchingRehearsal(j)
					if (!result) {
						break;
					}
				}
			}
			if (result) {
				do {
						if (flexible) {
							for (var j=bonus;j>=0;j-=0.2) {
								var prevstart = 0
								result = TryRehearsal(j)
								if (start!==prevstart) {
									break;
								}
							}
						} else {
							result = TryRehearsal(bonus)
						}
				} while (result);
			}


			if (maxscore>0) {
				if (flexible) {
					for (var i=5;i>0;i--) {
						for (var j=bonus;j>=0;j-=0.2) {
							while (result = TryEqualGain(i,j)) {
								//document.getElementById("console").value+="Step "+(step++)+")"+start+" EP"+"\n"
							}
						}
					}
				} else {
					for (var i=5;i>0;i--) {
						while (result = TryEqualGain(i,bonus)) {
							//document.getElementById("console").value+="Step "+(step++)+")"+start+" EP"+"\n"
						}
					}
				}
			}

			start=end
			if (result===undefined) {
				document.getElementById("console").value="Impossible to park using this team!"
			} else {
				document.getElementById("console").value="Calculating from "+originalTarget+" to "+end+" for event type "+type+"...\n\t(All games are done in Free Live)\n\nFound a park! "+(step-1)+" step"+Plural(step-1)+" and "+flameCount+" voltage required!\n\n"+document.getElementById("console").value
			}
			//document.getElementById("console").value+="Step "+(step++)+")"+start+" EP"+"\n"
			step++
		}
	}