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'use strict'
function Terminal (pico) {
const Cursor = require('./cursor')
const QQQ = require('./qqq')
this.qqq = new QQQ(this)
this.cursor = new Cursor(this)
this.controller = new Controller()
this.theme = new Theme(this.theme = new Theme({ background: '#111111', f_high: '#ffffff', f_med: '#333333', f_low: '#000000', f_inv: '#000000', b_high: '#ffb545', b_med: '#72dec2', b_low: '#444444', b_inv: '#ffffff' }))
this.pico = pico
this.el = document.createElement('canvas')
this.isPaused = false
this.tile = { w: 12, h: 20 }
this.debug = 'hello.'
this.timer = null
this.bpm = 120
this.install = function (host) {
this.resize()
host.appendChild(this.el)
this.theme.install(host)
}
this.start = function () {
this.pico.terminal = this
this.pico.start()
this.theme.start()
this.qqq.start()
this.update()
this.setSpeed(120)
}
this.setSpeed = function (bpm) {
this.bpm = clamp(bpm, 60, 300)
this.log(`Changed speed to ${this.bpm}.`)
const ms = (60000 / bpm) / 4
clearInterval(this.timer)
this.timer = setInterval(() => { this.run() }, ms)
}
this.run = function () {
if (this.isPaused) { return }
this.qqq.clear()
this.pico.run()
this.qqq.run()
this.update()
}
this.pause = function () {
this.isPaused = !this.isPaused
this.log(this.isPaused ? 'Paused' : 'Unpaused')
}
this.load = function (path) {
const terminal = this
var fs = require('fs')
fs.readFile(path, 'utf8', function (err, data) {
if (err) throw err
const w = data.split('\n')[0].length
const h = data.split('\n').length
terminal.log(`Loaded: ${path} ${w}x${h}`)
pico.load(w, h, data)
terminal.resize()
terminal.update()
})
}
this.log = function (msg) {
console.info(msg)
this.debug = msg
this.update()
}
this.update = function () {
this.clear()
this.draw_program()
this.draw_output(2)
this.draw_debug(1)
this.draw_inspector(0)
}
this.new = function () {
pico.clear()
}
this.draw_program = function () {
const ports = this.find_ports()
const terminal = this
let y = 0
while (y < pico.h) {
let x = 0
while (x < pico.w) {
const styles = {
isSelection: terminal.isSelection(x, y),
isCursor: terminal.isCursor(x, y),
is_port: ports[`${x}:${y}`]
}
this.draw_sprite(x, y, pico.glyphAt(x, y), styles)
x += 1
}
y += 1
}
}
this.draw_output = function (offset) {
const s = pico.r.replace(/\./g, ' ').trim()
let x = 0
while (x < s.length) {
const c = s.substr(x, 1)
this.draw_sprite(x, pico.h + offset, c)
x += 1
}
}
this.draw_debug = function (offset) {
const s = this.debug.trim()
let x = 0
while (x < s.length) {
const c = s.substr(x, 1)
this.draw_sprite(x, pico.h + offset, c)
x += 1
}
}
this.draw_inspector = function (offset) {
const s = this.cursor.inspect()
let x = 0
while (x < s.length) {
const c = s.substr(x, 1)
this.draw_sprite(x, pico.h + offset, c)
x += 1
}
}
this.isCursor = function (x, y) {
return x === this.cursor.x && y === this.cursor.y
}
this.isSelection = function (x, y) {
if (x >= this.cursor.x && x < this.cursor.x + this.cursor.w && y >= this.cursor.y && y < this.cursor.y + this.cursor.h) {
return true
}
return false
}
this.find_ports = function () {
const h = {}
const fns = pico.findFns()
for (const id in fns) {
const g = fns[id]
if (pico.isLocked(g.x, g.y)) { continue }
for (const id in g.ports) {
const port = g.ports[id]
h[`${g.x + port.x}:${g.y + port.y}`] = port.output ? 2 : port.bang ? 1 : 3
}
}
return h
}
this.context = function () {
return this.el.getContext('2d')
}
this.clear = function () {
const ctx = this.context()
ctx.clearRect(0, 0, this.size.width, this.size.height)
}
this.draw_sprite = function (x, y, g, styles = { isCursor: false, isSelection: false, is_port: false }) {
const ctx = this.context()
ctx.textBaseline = 'bottom'
ctx.textAlign = 'center'
ctx.font = `${this.tile.h * 0.75}px input_mono_regular`
if (styles.isSelection) {
ctx.fillStyle = this.theme.active.b_inv
ctx.fillRect(x * this.tile.w, (y) * this.tile.h, this.tile.w, this.tile.h)
ctx.fillStyle = this.theme.active.f_inv
} else if (styles.is_port) {
if (styles.is_port == 2) {
ctx.fillStyle = this.theme.active.b_high
ctx.fillRect(x * this.tile.w, (y) * this.tile.h, this.tile.w, this.tile.h)
ctx.fillStyle = this.theme.active.f_low
} else if (styles.is_port == 1) {
ctx.fillStyle = this.theme.active.b_med
ctx.fillRect(x * this.tile.w, (y) * this.tile.h, this.tile.w, this.tile.h)
ctx.fillStyle = this.theme.active.f_med
} else if (styles.is_port == 3) {
ctx.fillStyle = this.theme.active.b_low
ctx.fillRect(x * this.tile.w, (y) * this.tile.h, this.tile.w, this.tile.h)
ctx.fillStyle = this.theme.active.f_high
}
} else {
ctx.fillStyle = 'white'
}
ctx.fillText(styles.isCursor && g == '.' ? (!pico.isPaused ? '@' : '~') : g.toUpperCase(), (x + 0.5) * this.tile.w, (y + 1) * this.tile.h)
}
this.resize = function () {
this.size = { width: this.tile.w * pico.w, height: this.tile.h * pico.h + (this.tile.h * 3), ratio: 0.75 }
this.el.width = this.size.width
this.el.height = this.size.height + this.tile.h
this.el.style.width = (this.size.width * this.size.ratio) + 'px'
this.el.style.height = (this.size.height * this.size.ratio) + 'px'
let { remote } = require('electron')
let win = remote.getCurrentWindow()
win.setSize((this.size.width * this.size.ratio) + 60, (this.size.height * this.size.ratio) + 30, true)
}
window.onresize = (event) => {
const marginTop = (window.innerHeight - (this.size.height * this.size.ratio)) / 2
this.el.style.marginTop = (marginTop - 20) + 'px'
}
function clamp (v, min, max) { return v < min ? min : v > max ? max : v }
}
module.exports = Terminal
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