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'use strict'
function Renderer (terminal) {
this.el = document.createElement('canvas')
this.context = this.el.getContext('2d')
this.spritesheet = new Spritesheet(terminal)
// Settings
this.grid = { w: 8, h: 8 }
this.tile = { w: 10, h: 15 }
this.scale = window.devicePixelRatio
this.install = function (host) {
host.appendChild(this.el)
}
this.start = function () {
this.spritesheet.start()
this.el.className = 'ready'
}
this.update = function () {
this.clear()
this.drawProgram()
this.drawInterface()
}
this.clear = function () {
this.context.clearRect(0, 0, this.el.width, this.el.height)
}
this.guide = function (x, y) {
const g = terminal.orca.glyphAt(x, y)
if (g !== '.') { return g }
if (terminal.isCursor(x, y)) { return this.isPaused ? '~' : '@' }
if (x % this.grid.w === 0 && y % this.grid.h === 0) { return '+' }
return g
}
this.drawProgram = function () {
const selection = terminal.cursor.read()
for (let y = 0; y < terminal.orca.h; y++) {
for (let x = 0; x < terminal.orca.w; x++) {
const port = terminal.ports[terminal.orca.indexAt(x, y)]
const glyph = this.guide(x, y)
const style = terminal.isSelection(x, y) ? 4 : port ? port[2] : terminal.orca.lockAt(x, y) ? 5 : 7
const likeCursor = glyph === selection && glyph !== '.' && style !== 4 && !terminal.orca.lockAt(x, y)
this.drawSprite(x, y, glyph, likeCursor ? 6 : style)
}
}
}
this.drawInterface = function () {
const col = this.grid.w
// Cursor
this.write(`${terminal.cursor.x},${terminal.cursor.y}${terminal.cursor.mode === 1 ? '+' : ''}`, col * 0, 1, this.grid.w, terminal.cursor.mode === 1 ? 1 : 2)
this.write(`${terminal.cursor.w}:${terminal.cursor.h}`, col * 1, 1, this.grid.w)
this.write(`${terminal.cursor.inspect()}`, col * 2, 1, this.grid.w)
this.write(`${terminal.orca.f}f${this.isPaused ? '*' : ''}`, col * 3, 1, this.grid.w)
this.write(`${terminal.orca.inspect(this.grid.w)}`, col * 4, 1, this.grid.w)
// Grid
this.write(`${terminal.orca.w}x${terminal.orca.h}`, col * 0, 0, this.grid.w)
this.write(`${this.grid.w}/${this.grid.h}`, col * 1, 0, this.grid.w)
this.write(`${terminal.source}`, col * 2, 0, this.grid.w)
this.write(`${terminal.clock}`, col * 3, 0, this.grid.w, terminal.io.midi.inputIndex > -1 ? 1 : 2)
this.write(`${terminal.io.inspect(this.grid.w)}`, col * 4, 0, this.grid.w)
if (terminal.orca.f < 25) {
this.write(`${terminal.io.midi}`, col * 5, 0, this.grid.w * 2)
}
if (terminal.commander.isActive === true) {
this.write(`${terminal.commander.query}${terminal.orca.f % 2 === 0 ? '_' : ''}`, col * 5, 1, this.grid.w * 2, 1)
}
}
this.drawSprite = function (x, y, g, type) {
this.spritesheet.draw(this.context, x, y, g, type)
}
this.write = function (text, offsetX, offsetY, limit, type = 2) {
let x = 0
while (x < text.length && x < limit - 1) {
this.drawSprite(offsetX + x, terminal.orca.h + offsetY, text.substr(x, 1), type)
x += 1
}
}
this.resize = function (force = false) {
const size = { w: window.innerWidth - 60, h: window.innerHeight - 90 }
const tiles = { w: Math.floor(size.w / this.tile.w), h: Math.floor(size.h / this.tile.h) }
if (terminal.orca.w === tiles.w && terminal.orca.h === tiles.h && force === false) { return }
// Limit Tiles to Bounds
const bounds = terminal.orca.bounds()
if (tiles.w <= bounds.w) { tiles.w = bounds.w + 1 }
if (tiles.h <= bounds.h) { tiles.h = bounds.h + 1 }
terminal.crop(tiles.w, tiles.h)
// Keep cursor in bounds
if (terminal.cursor.x >= tiles.w) { terminal.cursor.x = tiles.w - 1 }
if (terminal.cursor.y >= tiles.h) { terminal.cursor.y = tiles.h - 1 }
console.log(`Resize to: ${tiles.w}x${tiles.h}`)
this.el.width = this.tile.w * terminal.orca.w * this.scale
this.el.height = (this.tile.h + 3) * terminal.orca.h * this.scale
this.el.style.width = `${parseInt(this.tile.w * terminal.orca.w)}px`
this.el.style.height = `${parseInt((this.tile.h + 3) * terminal.orca.h)}px`
terminal.update()
}
}
function Spritesheet (terminal) {
this.el = document.createElement('canvas')
this.context = this.el.getContext('2d')
this.el.width = 600
this.el.height = 100
this.glyphs = Object.keys(terminal.orca.library)
this.cache = {}
this.tile = { w: 10, h: 15 }
this.start = function () {
this.setup()
this.update()
}
this.setup = function () {
console.log('Spritesheet', `Setup ${this.glyphs.length} glyphs..`)
this.styles = [
{ fg: terminal.theme.active.f_low, bg: terminal.theme.active.b_med },
{ fg: terminal.theme.active.b_med },
{ fg: terminal.theme.active.b_high },
{ fg: terminal.theme.active.f_low, bg: terminal.theme.active.b_high },
{ fg: terminal.theme.active.f_inv, bg: terminal.theme.active.b_inv },
{ fg: terminal.theme.active.f_med },
{ fg: terminal.theme.active.b_inv },
{ fg: terminal.theme.active.f_low }
]
this.scale = terminal.renderer.scale
this.el.width = this.glyphs.length * this.tile.w * this.scale
this.el.height = this.styles.length * this.tile.h * this.scale * 2
this.context.textBaseline = 'bottom'
this.context.textAlign = 'center'
this.context.font = `${parseInt(this.tile.h * 0.75 * this.scale)}px input_mono_regular`
}
this.update = function () {
console.log('Spritesheet', 'Updating..')
this.clear()
for (let col in this.styles) {
for (const row in this.glyphs) {
this.write(this.glyphs[row], parseInt(col))
this.write(this.glyphs[row].toUpperCase(), parseInt(col))
}
}
}
this.write = function (glyph, type) {
const rect = this.makeRect(glyph, type)
const style = this.styles[type]
this.store(glyph, type, rect)
if (style.bg) {
this.context.fillStyle = style.bg ? style.bg : 'black'
this.context.fillRect(rect.x, rect.y, rect.w, rect.h)
}
if (style.fg) {
this.context.fillStyle = style.fg
this.context.fillText(glyph, parseInt(rect.x + (this.tile.w * this.scale * 0.5)), parseInt(rect.y + (this.tile.h * this.scale)))
}
}
this.store = function (glyph, type, rect) {
if (!this.cache[glyph]) {
this.cache[glyph] = {}
}
this.cache[glyph][type] = rect
}
this.clear = function () {
this.context.clearRect(0, 0, this.el.width, this.el.height)
}
this.makeRect = function (glyph, type) {
const uc = `${glyph}` === `${glyph}`.toUpperCase()
const col = (type * 2) + (uc === true ? 1 : 0)
const row = this.glyphs.indexOf(`${glyph}`.toLowerCase())
const x = row * this.tile.w * this.scale
const y = col * this.tile.h * this.scale
const w = this.tile.w * this.scale
const h = this.tile.h * this.scale
return { x: x, y: y, w: w, h: h }
}
this.getRect = function (glyph, type) {
return this.cache[glyph] ? this.cache[glyph][type] : null
}
this.draw = function (context, x, y, glyph, type) {
const rect = this.getRect(glyph, type)
if (rect) {
context.drawImage(this.el, rect.x, rect.y, this.tile.w * this.scale, this.tile.h * this.scale, x * this.tile.w * this.scale, y * this.tile.h * this.scale, this.tile.w * this.scale, this.tile.h * this.scale)
}
}
this.print = function (context) {
context.drawImage(this.el, 0, 0, this.el.width, this.el.height, 0, 0, this.el.width, this.el.height)
}
}
module.exports = Renderer
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