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import logo from './logo.svg';
import {useEffect,useState} from 'react';
import './App.css';
function EditorControls(p) {
const {equation,setEquation,id} = p
return <>
{id>0&&<span className="mouseover" style={{position:"absolute",bottom:0,left:0}} onClick={()=>{
var eqArr = [...equation]
var oldVal = eqArr[id-1]
eqArr[id-1] = eqArr[id]
eqArr[id] = oldVal
setEquation(eqArr)
}}>{"<"}</span>}
{id<equation.length-1&&<span className="mouseover" style={{position:"absolute",bottom:0,right:0}} onClick={()=>{
var eqArr = [...equation]
var oldVal = eqArr[id+1]
eqArr[id+1] = eqArr[id]
eqArr[id] = oldVal
setEquation(eqArr)
}}>{">"}</span>}
<span className="mouseover exit" style={{position:"absolute",top:0,right:0}} onClick={()=>{
var eqArr = [...equation]
eqArr.splice(id,1)
setEquation(eqArr)
}}>{"x"}</span>
</>
}
function EquationGroup(p) {
const {equation,setEquation,data,arr,id} = p
const [myArr,setMyArr] = useState(arr)
useEffect(()=>{
var eqArr = [...equation]
eqArr[id] = [...myArr]
setEquation(eqArr)
},[myArr])
return <>
<span style={{fontSize:"24px"}}>(</span>
<div style={{position:"relative",display:"inline-block",paddingLeft:"12px",paddingRight:"12px"}}>
<div style={{display:"inline-block",border:"3px solid green"}}>
<button style={{backgroundColor:"blue",color:"white"}} onClick={()=>{
var eqArr=[...myArr]
eqArr.push(Object.keys(data)[0])
setMyArr(eqArr)
}}>Add Value</button>
<button style={{backgroundColor:"green",color:"white"}} onClick={()=>{
var eqArr=[...myArr]
eqArr.push([])
setMyArr(eqArr)
}}>Add Group</button>
<button style={{backgroundColor:"beige",color:"black"}} onClick={()=>{
var eqArr=[...myArr]
eqArr.push("+")
setMyArr(eqArr)
}}>Add Operator</button>
<br/>
{arr.map((eq,i)=>Array.isArray(eq)?<EquationGroup equation={myArr} setEquation={setMyArr} data={data} arr={eq} key={i} id={i}/>:eq==="×"||eq==="-"||eq==="+"||eq==="÷"||eq==="^"?<EquationOperator equation={myArr} setEquation={setMyArr} data={data} operator={eq} key={i} id={i}/>:<EquationValue equation={myArr} setEquation={setMyArr} data={data} val={eq} key={i} id={i}/>)}
</div>
<EditorControls equation={equation} setEquation={setEquation} id={id}/>
</div>
<span style={{fontSize:"24px"}}>)</span>
</>
}
function EquationOperator(p) {
const {equation,setEquation,operator,id} = p
const [op,setOp] = useState(operator)
useEffect(()=>{
var eqArr = [...equation]
eqArr[id] = op
setEquation(eqArr)
},[op])
return <div style={{position:"relative",display:"inline-block",paddingLeft:"12px",paddingRight:"12px",paddingTop:"10px"}}><select style={{fontSize:"24px"}} value={op} onChange={(ev)=>{setOp(ev.currentTarget.value)}}>
{["+","-","×","÷","^"].map((sign)=><option key={sign} value={sign}>{sign}</option>)}
</select>
<EditorControls equation={equation} setEquation={setEquation} id={id}/>
</div>
}
function EquationValue(p) {
const {equation,setEquation,data,val,id} = p
const [item,setItem] = useState(val)
useEffect(()=>{
var eqArr = [...equation]
eqArr[id] = item
setEquation(eqArr)
},[item])
return <div style={{position:"relative",display:"inline-block",border:"1px solid black",paddingTop:"16px"}}>
<select value={item} onChange={(ev)=>{setItem(ev.currentTarget.value)}}>
{Object.keys(data).map((key)=><option key={key} value={key}>{key}</option>)}
</select>
<br/>
{data[val]}
<EditorControls equation={equation} setEquation={setEquation} id={id}/>
</div>
}
function Equation(p) {
const {data} = p
const [equation,setEquation]=useState([["atk"],"×","elementalBonus"])
function SolveEquation(eq) {
var newEq = [...eq]
//Parenthesis.
for (var i=0;i<newEq.length;i++) {
if (Array.isArray(newEq[i])) {
newEq.splice(i,1,SolveEquation(newEq[i]))
}
}
//Exponents first.
for (i=1;i<newEq.length-1;i++) {
if (newEq[i]==="^"&&newEq[i+1]!=="×"&&newEq[i+1]!=="÷"&&newEq[i+1]!=="-"&&newEq[i+1]!=="+"&&newEq[i+1]!=="^"
&&newEq[i-1]!=="×"&&newEq[i-1]!=="÷"&&newEq[i-1]!=="-"&&newEq[i-1]!=="+"&&newEq[i-1]!=="^") {
var result = Math.pow(Number(typeof newEq[i-1]==="number"?newEq[i-1]:data[newEq[i-1]]),Number(typeof newEq[i+1]==="number"?newEq[i+1]:data[newEq[i+1]]))
newEq.splice(i-1,3,result)
i--
}
}
//Multiplication and Division next.
for (i=1;i<newEq.length-1;i++) {
if (newEq[i]==="×"&&newEq[i+1]!=="×"&&newEq[i+1]!=="÷"&&newEq[i+1]!=="-"&&newEq[i+1]!=="+"&&newEq[i+1]!=="^"
&&newEq[i-1]!=="×"&&newEq[i-1]!=="÷"&&newEq[i-1]!=="-"&&newEq[i-1]!=="+"&&newEq[i-1]!=="^") {
var product = Number(typeof newEq[i-1]==="number"?newEq[i-1]:data[newEq[i-1]])*Number(typeof newEq[i+1]==="number"?newEq[i+1]:data[newEq[i+1]])
newEq.splice(i-1,3,product)
i--
} else
if (newEq[i]==="÷"&&newEq[i+1]!=="×"&&newEq[i+1]!=="÷"&&newEq[i+1]!=="-"&&newEq[i+1]!=="+"&&newEq[i+1]!=="^"
&&newEq[i-1]!=="×"&&newEq[i-1]!=="÷"&&newEq[i-1]!=="-"&&newEq[i-1]!=="+"&&newEq[i-1]!=="^") {
var quotient = Number(typeof newEq[i-1]==="number"?newEq[i-1]:data[newEq[i-1]])/Number(typeof newEq[i+1]==="number"?newEq[i+1]:data[newEq[i+1]])
newEq.splice(i-1,3,quotient)
i--
}
}
for (i=1;i<newEq.length-1;i++) {
if (newEq[i]==="+"&&newEq[i+1]!=="×"&&newEq[i+1]!=="÷"&&newEq[i+1]!=="-"&&newEq[i+1]!=="+"&&newEq[i+1]!=="^"
&&newEq[i-1]!=="×"&&newEq[i-1]!=="÷"&&newEq[i-1]!=="-"&&newEq[i-1]!=="+"&&newEq[i-1]!=="^") {
var sum = Number(typeof newEq[i-1]==="number"?newEq[i-1]:data[newEq[i-1]])+Number(typeof newEq[i+1]==="number"?newEq[i+1]:data[newEq[i+1]])
newEq.splice(i-1,3,sum)
i--
} else
if (newEq[i]==="-"&&newEq[i+1]!=="×"&&newEq[i+1]!=="÷"&&newEq[i+1]!=="-"&&newEq[i+1]!=="+"&&newEq[i+1]!=="^"
&&newEq[i-1]!=="×"&&newEq[i-1]!=="÷"&&newEq[i-1]!=="-"&&newEq[i-1]!=="+"&&newEq[i-1]!=="^") {
var difference = Number(typeof newEq[i-1]==="number"?newEq[i-1]:data[newEq[i-1]])-Number(typeof newEq[i+1]==="number"?newEq[i+1]:data[newEq[i+1]])
newEq.splice(i-1,3,difference)
i--
}
}
return typeof newEq[0]==="number"?newEq[0]:Number(data[newEq[0]])
}
return <>
<button style={{backgroundColor:"blue",color:"white"}} onClick={()=>{
var eqArr=[...equation]
eqArr.push(Object.keys(data)[0])
setEquation(eqArr)
}}>Add Value</button>
<button style={{backgroundColor:"green",color:"white"}} onClick={()=>{
var eqArr=[...equation]
eqArr.push([])
setEquation(eqArr)
}}>Add Group</button>
<button style={{backgroundColor:"beige",color:"black"}} onClick={()=>{
var eqArr=[...equation]
eqArr.push("+")
setEquation(eqArr)
}}>Add Operator</button>
<br/><br/>
{equation.map((eq,i)=>Array.isArray(eq)?<EquationGroup equation={equation} setEquation={setEquation} data={data} arr={eq} key={i} id={i}/>:eq==="×"||eq==="-"||eq==="+"||eq==="÷"||eq==="^"?<EquationOperator equation={equation} setEquation={setEquation} data={data} operator={eq} key={i} id={i}/>:<EquationValue equation={equation} setEquation={setEquation} data={data} val={eq} key={i} id={i}/>)}
<br/><br/>
<h1>{SolveEquation(equation).toFixed(2)}</h1>
<br/><br/>
{JSON.stringify(equation)}
</>
}
function EditBox(p) {
const {val,setVal} = p
const [v,setV] = useState(val)
useEffect(()=>{
setVal(v)
},[v])
return <input type="text" value={v} onChange={(ev)=>{setV(ev.currentTarget.value)}}/>
}
function ValueEditor(p) {
const {lv,setLv,atk,setAtk,def,setDef,elementalBonus,setElementalBonus} = p
return <><b>LV</b> <EditBox val={lv} setVal={setLv}/><br/>
<b>ATK</b> <EditBox val={atk} setVal={setAtk}/><br/>
<b>ENEMY DEF</b> <EditBox val={def} setVal={setDef}/><br/>
<b>ENEMY ELEMENTAL BONUS</b> <EditBox val={elementalBonus} setVal={setElementalBonus}/><br/>
</>
}
function App() {
const [lv,setLv] = useState(4)
const [atk,setAtk] = useState(84)
const [def,setDef] = useState(16)
const [elementalBonus,setElementalBonus] = useState(0.4)
return (
<div className="App">
<ValueEditor lv={lv} setLv={setLv} atk={atk} setAtk={setAtk} def={def} setDef={setDef} elementalBonus={elementalBonus} setElementalBonus={setElementalBonus}/>
<hr/>
<Equation data={{lv:lv,atk:atk,def:def,elementalBonus:elementalBonus}}/>
</div>
);
}
export default App;