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'use strict'
function Pico (w, h) {
this.f = 0 // Frame
this.w = w // Width
this.h = h // Height
this.s = '' // String
this.r = '' // Record
this.lib = {}
this.docs = {}
this.allowed = []
this.locks = []
this.terminal = null // Set in terminal.start
function makeDocs (lib) {
const h = {}
for (const id in lib) {
const P = new lib[id]()
h[P.glyph] = P.docs()
}
return h
}
this.start = function (path) {
this.lib = require('./lib')
this.allowed = [].concat(Object.keys(this.lib.num)).concat(Object.keys(this.lib.alpha)).concat(Object.keys(this.lib.special))
this.docs = makeDocs(Object.values(this.lib.alpha))
this.clear()
}
this.clear = function () {
this.r = ''
this.s = ''
let y = 0
while (y < this.h) {
let x = 0
while (x < this.w) {
this.s += '.'
x += 1
}
y += 1
}
}
this.findFns = function () {
const a = []
let y = 0
while (y < this.h) {
let x = 0
while (x < this.w) {
const g = this.glyphAt(x, y)
if (this.lib.alpha[g]) {
a.push(new this.lib.alpha[g](this, x, y))
}
if (this.lib.special[g]) {
a.push(new this.lib.special[g](this, x, y))
}
x += 1
}
y += 1
}
return a
}
this.runFns = function (fns) {
// Move
for (const id in fns) {
const p = fns[id]
if (this.isLocked(p.x, p.y)) { continue }
p.haste()
}
// Operate
for (const id in fns) {
const p = fns[id]
if (this.isLocked(p.x, p.y)) { continue }
p.run()
}
}
this.inBounds = function (x, y) {
return x >= 0 && x < this.w && y >= 0 && y < this.h
}
this.add = function (x, y, ch) {
const glyph = ch.substr(0, 1).toLowerCase()
if (!this.isAllowed(glyph)) { this.terminal.log(`[${glyph}] is not allowed`); return }
if (!this.inBounds(x, y)) { this.terminal.log(`[${glyph}] is out of range`); return }
const index = this.indexAt(x, y)
this.s = this.s.substr(0, index) + glyph + this.s.substr(index + glyph.length)
}
this.remove = function (x, y) {
this.add(x, y, '.')
}
this.run = function () {
this.unlock()
this.runFns(this.findFns())
this.record()
this.s = this.s.substr(0, this.w * this.h)
this.f += 1
}
this.load = function (w, h, s) {
this.w = w // Width
this.h = h // Height
this.clear()
this.s = s.replace(/\n/g, '').trim() // String
}
this.isAllowed = function (g) {
return this.lib.alpha[g] || this.lib.num[g] || this.lib.special[g]
}
this.glyphAt = function (x, y, req = null) {
return this.s.charAt(this.indexAt(x, y))
}
this.indexAt = function (x, y) {
return x + (this.w * y)
}
// Blocks
this.getBlock = function(x,y,w,h)
{
let _y = y
const block = []
while(_y < y+h){
let _x = x
const line = []
while(_x < x+w){
line.push(this.glyphAt(_x,_y))
_x++
}
block.push(line)
_y++
}
return block
}
this.addBlock = function(x,y,block)
{
if(!block || block.length == 0){ this.terminal.log('Nothing to paste'); return; }
let _y = y
for(const lineId in block){
let _x = x
for(const glyphId in block[lineId]){
this.add(_x,_y,block[lineId][glyphId])
_x++
}
_y++
}
}
// Locks
this.isLocked = function (x, y) {
return this.locks.indexOf(`${x}:${y}`) > -1
}
this.unlock = function () {
this.locks = []
}
this.lock = function (x, y) {
this.locks.push(`${x}:${y}`)
}
// Tools
this.output = function () {
const origin = this.s.replace(/[^0-9a-z]/gi, '.')
const lines = origin.match(/.{1,39}/g)
return lines.reduce((acc, val) => {
return `${acc}${val}\n`
}, '')
}
this.record = function () {
const g = this.s.substr(-1, 1)
const last = this.r.substr(-1, 1)
if (g === '.' && last === '.') { return }
this.r += g
// Trim
if (this.r.length >= this.h) {
this.r = this.r.substr(-this.h + 1, this.h)
}
}
this.toString = function () {
return this.output()
}
}
module.exports = Pico
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