feat: add molang package

1. upgrade bukkit chat
2. fix config update error

Signed-off-by: MiaoWoo <admin@yumc.pw>
This commit is contained in:
2022-02-12 16:29:40 +08:00
parent 5ed61829e1
commit 6816e51239
73 changed files with 3103 additions and 129 deletions

143
packages/molang/src/env/env.ts vendored Normal file
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import { standardEnv } from './standardEnv'
export type TVariableHandler = (
variableName: string,
variables: Record<string, unknown>
) => unknown
export interface IEnvConfig {
useRadians?: boolean
convertUndefined?: boolean
variableHandler?: TVariableHandler
isFlat?: boolean
}
export class ExecutionEnvironment {
protected env: Record<string, any>
constructor(env: Record<string, any>, public readonly config: IEnvConfig) {
if (!env) throw new Error(`Provided environment must be an object`)
if (config.isFlat)
this.env = Object.assign(
env,
standardEnv(config.useRadians ?? false)
)
else
this.env = {
...standardEnv(config.useRadians ?? false),
...this.flattenEnv(env),
}
}
updateConfig({
variableHandler,
convertUndefined,
useRadians,
}: IEnvConfig) {
if (convertUndefined !== undefined)
this.config.convertUndefined = convertUndefined
if (typeof variableHandler === 'function')
this.config.variableHandler = variableHandler
if (!!this.config.useRadians !== !!useRadians) {
this.env = Object.assign(this.env, standardEnv(!!useRadians))
}
}
protected flattenEnv(
newEnv: Record<string, any>,
addKey = '',
current: any = {}
) {
for (let key in newEnv) {
if (key[1] === '.') {
switch (key[0]) {
case 'q':
key = 'query' + key.substring(1, key.length)
break
case 't':
key = 'temp' + key.substring(1, key.length)
break
case 'v':
key = 'variable' + key.substring(1, key.length)
break
case 'c':
key = 'context' + key.substring(1, key.length)
break
case 'f':
key = 'function' + key.substring(1, key.length)
break
}
}
if (newEnv[key].__isContext) {
current[`${addKey}${key}`] = newEnv[key].env
} else if (
typeof newEnv[key] === 'object' &&
!Array.isArray(newEnv[key])
) {
this.flattenEnv(newEnv[key], `${addKey}${key}.`, current)
} else {
current[`${addKey}${key}`] = newEnv[key]
}
}
return current
}
setAt(lookup: string, value: unknown) {
if (lookup[1] === '.') {
switch (lookup[0]) {
case 'q':
lookup = 'query' + lookup.substring(1, lookup.length)
break
case 't':
lookup = 'temp' + lookup.substring(1, lookup.length)
break
case 'v':
lookup = 'variable' + lookup.substring(1, lookup.length)
break
case 'c':
lookup = 'context' + lookup.substring(1, lookup.length)
break
case 'f':
lookup = 'function' + lookup.substring(1, lookup.length)
break
}
}
return (this.env[lookup] = value)
}
getFrom(lookup: string) {
if (lookup[1] === '.') {
switch (lookup[0]) {
case 'q':
lookup = 'query' + lookup.substring(1, lookup.length)
break
case 't':
lookup = 'temp' + lookup.substring(1, lookup.length)
break
case 'v':
lookup = 'variable' + lookup.substring(1, lookup.length)
break
case 'c':
lookup = 'context' + lookup.substring(1, lookup.length)
break
case 'f':
lookup = 'function' + lookup.substring(1, lookup.length)
break
}
}
const res =
this.env[lookup] ?? this.config.variableHandler?.(lookup, this.env)
return res === undefined && this.config.convertUndefined ? 0 : res
}
}
export class Context {
public readonly __isContext = true
constructor(public readonly env: any) {}
}

86
packages/molang/src/env/math.ts vendored Normal file
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const clamp = (value: number, min: number, max: number) => {
if (typeof value !== 'number' || Number.isNaN(value)) return min
else if (value > max) return max
else if (value < min) return min
return value
}
const dieRoll = (sum: number, low: number, high: number) => {
let i = 0
let total = 0
while (i < sum) total += random(low, high)
return total
}
const dieRollInt = (sum: number, low: number, high: number) => {
let i = 0
let total = 0
while (i < sum) total += randomInt(low, high)
return total
}
const hermiteBlend = (value: number) => 3 * value ** 2 - 2 * value ** 3
const lerp = (start: number, end: number, amount: number) => {
if (amount < 0) amount = 0
else if (amount > 1) amount = 1
return start + (end - start) * amount
}
// Written by @JannisX11 (https://github.com/JannisX11/MolangJS/blob/master/molang.js#L383); modified for usage inside of this MoLang parser
const lerprotate = (start: number, end: number, amount: number) => {
const radify = (n: number) => (((n + 180) % 360) + 180) % 360
start = radify(start)
end = radify(end)
if (start > end) {
let tmp = start
start = end
end = tmp
}
if (end - start > 180) return radify(end + amount * (360 - (end - start)))
else return start + amount * (end - start)
}
const mod = (value: number, denominator: number) => value % denominator
const random = (low: number, high: number) => low + Math.random() * (high - low)
const randomInt = (low: number, high: number) =>
Math.round(low + Math.random() * (high - low))
const minAngle = (value: number) => {
value = value % 360
value = (value + 360) % 360
if (value > 179) value -= 360
return value
}
export const MoLangMathLib = (useRadians: boolean) => {
const degRadFactor = useRadians ? 1 : Math.PI / 180
return {
'math.abs': Math.abs,
'math.acos': (x: number) => Math.acos(x) / degRadFactor,
'math.asin': (x: number) => Math.asin(x) / degRadFactor,
'math.atan': (x: number) => Math.atan(x) / degRadFactor,
'math.atan2': (y: number, x: number) => Math.atan2(y, x) / degRadFactor,
'math.ceil': Math.ceil,
'math.clamp': clamp,
'math.cos': (x: number) => Math.cos(x * degRadFactor),
'math.die_roll': dieRoll,
'math.die_roll_integer': dieRollInt,
'math.exp': Math.exp,
'math.floor': Math.floor,
'math.hermite_blend': hermiteBlend,
'math.lerp': lerp,
'math.lerp_rotate': lerprotate,
'math.ln': Math.log,
'math.max': Math.max,
'math.min': Math.min,
'math.min_angle': minAngle,
'math.mod': mod,
'math.pi': Math.PI,
'math.pow': Math.pow,
'math.random': random,
'math.random_integer': randomInt,
'math.round': Math.round,
'math.sin': (x: number) => Math.sin(x * degRadFactor),
'math.sqrt': Math.sqrt,
'math.trunc': Math.trunc,
}
}

25
packages/molang/src/env/queries.ts vendored Normal file
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const inRange = (value: number, min: number, max: number) => {
// Check that value, min and max are numbers
if (
typeof value !== 'number' ||
typeof min !== 'number' ||
typeof max !== 'number'
) {
console.error('"query.in_range": value, min and max must be numbers')
return false
}
return value >= min && value <= max
}
const all = (mustMatch: unknown, ...values: unknown[]) =>
values.every((v) => v === mustMatch)
const any = (mustMatch: unknown, ...values: unknown[]) =>
values.some((v) => v === mustMatch)
export const standardQueries = {
'query.in_range': inRange,
'query.all': all,
'query.any': any,
}

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import { MoLangMathLib } from './math'
import { standardQueries } from './queries'
export const standardEnv = (useRadians: boolean) => ({
...MoLangMathLib(useRadians),
...standardQueries,
})