asciibird/src/ascii.js
2021-08-07 12:41:47 +10:00

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import LZString from 'lz-string';
import store from './store';
// 0 => 'white',
// 1 => 'black',
// 2 => 'navy',
// 3 => 'green',
// 4 => 'red',
// 5 => 'brown',
// 6 => 'purple',
// 7 => 'olive',
// 8 => 'yellow', # dark yellow
// 9 => 'lime', # ltgreen
// 10 => 'teal',
// 11 => 'cyan',
// 12 => 'blue', # ltblue,
// 13 => 'fuchsia', # pink
// 14 => 'grey',
// 15 => 'lightgrey',
export const mircColours99 = [
'rgb(255,255,255)',
'rgb(0,0,0)',
'rgb(0,0,127)',
'rgb(0,147,0)',
'rgb(255,0,0)',
'rgb(127,0,0)',
'rgb(156,0,156)',
'rgb(252,127,0)',
'rgb(255,255,0)',
'rgb(0,252,0)',
'rgb(0,147,147)',
'rgb(0,255,255)',
'rgb(0,0,252)',
'rgb(255,0,255)',
'rgb(127,127,127)',
'rgb(210,210,210)',
"#470000",
"#472100",
"#474700",
"#324700",
"#004700",
"#00472c",
"#004747",
"#002747",
"#000047",
"#2e0047",
"#470047",
"#47002a",
"#740000",
"#743a00",
"#747400",
"#517400",
"#007400",
"#007449",
"#007474",
"#004074",
"#000074",
"#4b0074",
"#740074",
"#740045",
"#b50000",
"#b56300",
"#b5b500",
"#7db500",
"#00b500",
"#00b571",
"#00b5b5",
"#0063b5",
"#0000b5",
"#7500b5",
"#b500b5",
"#b5006b",
"#ff0000",
"#ff8c00",
"#ffff00",
"#b2ff00",
"#00ff00",
"#00ffa0",
"#00ffff",
"#008cff",
"#0000ff",
"#a500ff",
"#ff00ff",
"#ff0098",
"#ff5959",
"#ffb459",
"#ffff71",
"#cfff60",
"#6fff6f",
"#65ffc9",
"#6dffff",
"#59b4ff",
"#5959ff",
"#c459ff",
"#ff66ff",
"#ff59bc",
"#ff9c9c",
"#ffd39c",
"#ffff9c",
"#e2ff9c",
"#9cff9c",
"#9cffdb",
"#9cffff",
"#9cd3ff",
"#9c9cff",
"#dc9cff",
"#ff9cff",
"#ff94d3",
"#000000",
"#131313",
"#282828",
"#363636",
"#4d4d4d",
"#656565",
"#818181",
"#9f9f9f",
"#bcbcbc",
"#e2e2e2",
"#ffffff",
];
// Chars that end up in the toolbar
export const charCodes = [' ', '!', '"', '#', '$', '%', '&', '\'', '(', ')', '*', '+', ',', '-',
'.', '/',
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?', '@', 'A',
'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S',
'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[', '\\', ']', '^', '_', '`', 'a', 'b', 'c', 'd', 'e',
'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
'x', 'y', 'z', '{', '|', '}', '~', 'Ç', 'ü', 'é', 'â', 'ä', 'à', 'å', 'ç', 'ê', 'ë', 'è',
'ï', 'î', 'ì', 'Ä', 'Å', 'É', 'æ', 'Æ', 'ô', 'ö', 'ò', 'û', 'ù', 'ÿ', 'Ö', 'Ü', 'ø', '£',
'Ø', '×', 'ƒ', 'á', 'í', 'ó', 'ú', 'ñ', 'Ñ', 'ª', 'º', '¿', '®', '¬', '½', '¼', '¡', '«',
'»', '░', '▒', '▓', '│', '┤', 'Á', 'Â', 'À', '©', '╣', '║', '╗', '╝', '¢', '¥', '┐', '└',
'┴', '┬', '├', '─', '┼', 'ã', 'Ã', '╚', '╔', '╩', '╦', '╠', '═', '╬', '¤', 'ð', 'Ð', 'Ê',
'Ë', 'È', 'ı', 'Í', 'Î', 'Ï', '┘', '┌', '█', '▄', '¦', 'Ì', '▀', 'Ó', 'ß', 'Ô', 'Ò', 'õ',
'Õ', 'µ', 'þ', 'Þ', 'Ú', 'Û', 'Ù', 'ý', 'Ý', '¯', '´', '≡', '±', '‗', '¾', '¶', '§', '÷',
'¸', '°', '¨', '·', '¹', '³', '²',
];
// Toolbar icons
export const toolbarIcons = [{
name: 'default',
icon: 'mouse-pointer',
fa: 'fas',
svgPath: 'assets/mouse-pointer-solid.svg',
},
{
name: 'select',
icon: 'square',
fa: 'far',
svgPath: 'assets/square-regular.svg',
},
{
name: 'text',
icon: 'font',
fa: 'fas',
svgPath: 'assets/font-solid.svg',
},
{
name: 'fill',
icon: 'fill-drip',
fa: 'fas',
svgPath: 'assets/fill-drip-solid.svg',
},
{
name: 'brush',
icon: 'paint-brush',
fa: 'fas',
svgPath: 'assets/paint-brush-solid.svg',
},
{
name: 'dropper',
icon: 'eye-dropper',
fa: 'fas',
svgPath: 'assets/eye-dropper-solid.svg',
},
{
name: 'eraser',
icon: 'eraser',
fa: 'fas',
svgPath: 'assets/eraser-solid.svg',
},
];
export const emptyBlock = {
bg: null,
fg: null,
char: null,
};
export const create2DArray = (rows) => {
const arr = [];
for (let i = 0; i < rows; i++) {
arr[i] = [];
}
return arr;
};
// Width and height of the ASCII blocks
// they seem to be 8x15 in asciiblaster
export const blockWidth = 8;
export const blockHeight = 15;
export const parseMircAscii = (content, title) => {
const MIRC_MAX_COLOURS = mircColours99.length;
// The current state of the Colours
let curBlock = {
...emptyBlock,
};
const contents = content;
const filename = title;
// set asciiImport as the entire file contents as a string
const asciiImport = contents
.split('\u0003\u0003')
.join('\u0003')
.split('\u000F').join('')
.split('\u0003\n')
.join('\n')
.split('\u0002\u0003')
.join('\u0003');
// This will end up in the asciibirdMeta
const finalAscii = {
width: false, // defined in: switch (curChar) case "\n":
height: asciiImport.split('\n').length,
title: filename,
key: store.getters.nextTabValue,
blockWidth: blockWidth * store.getters.blockSizeMultiplier,
blockHeight: blockHeight * store.getters.blockSizeMultiplier,
blocks: create2DArray(asciiImport.split('\n').length),
history: [],
redo: [],
x: blockWidth * 35, // the dragable ascii canvas x
y: blockHeight * 2, // the dragable ascii canvas y
};
// Turn the entire ascii string into an array
let asciiStringArray = asciiImport.split('');
const linesArray = asciiImport.split('\n');
// The proper X and Y value of the block inside the ASCII
let asciiX = 0;
let asciiY = 0;
// used to determine colours
let colourChar1 = null;
let colourChar2 = null;
let parsedColour = null;
// This variable just counts the amount of colour and char codes to minus
// to get the real width
let widthOfColCodes = 0;
// Better for colourful asciis
let maxWidthLoop = 0;
// Used before the loop, better for plain text
let maxWidthFound = 0;
for (let i = 0; i < linesArray.length; i++) {
if (linesArray[i].length > maxWidthFound) {
maxWidthFound = linesArray[i].length;
}
}
while (asciiStringArray.length) {
const curChar = asciiStringArray[0];
// Defining a small finite state machine
// to detect the colour code
switch (curChar) {
case '\n':
// Reset the colours here on a new line
curBlock = {
...emptyBlock,
};
if (linesArray[asciiY] && linesArray[asciiY].length > maxWidthLoop) {
maxWidthLoop = linesArray[asciiY].length;
}
// the Y value of the ascii
asciiY++;
// Calculate widths mirc asciis vs plain text
if (!finalAscii.width && widthOfColCodes > 0) {
finalAscii.width = maxWidthLoop - widthOfColCodes; // minus \n for the proper width
}
if (!finalAscii.width && widthOfColCodes === 0) {
// Plain text
finalAscii.width = maxWidthFound; // minus \n for the proper width
}
// Resets the X value
asciiX = 0;
asciiStringArray.shift();
widthOfColCodes = 0;
break;
case '\u0003':
// Remove the colour char
asciiStringArray.shift();
widthOfColCodes++;
// Attempt to work out bg
colourChar1 = `${asciiStringArray[0]}`;
colourChar2 = `${asciiStringArray[1]}`;
parsedColour = parseInt(`${colourChar1}${colourChar2}`);
// Work out the 01, 02 double digit codes
if (parseInt(colourChar1) === 0 && parseInt(colourChar2) >= 0) {
asciiStringArray.shift();
}
if (Number.isNaN(parsedColour)) {
curBlock.bg = parseInt(colourChar1);
widthOfColCodes += 1;
asciiStringArray.shift();
} else if (parsedColour <= MIRC_MAX_COLOURS && parsedColour >= 0) {
curBlock.fg = parseInt(parsedColour);
widthOfColCodes += parsedColour.toString().length;
asciiStringArray = asciiStringArray.slice(
parsedColour.toString().length,
asciiStringArray.length,
);
}
// No background colour
if (asciiStringArray[0] !== ',') {
break;
} else {
// Remove , from array
widthOfColCodes += 1;
asciiStringArray.shift();
}
// Attempt to work out bg
colourChar1 = `${asciiStringArray[0]}`;
colourChar2 = `${asciiStringArray[1]}`;
parsedColour = parseInt(`${colourChar1}${colourChar2}`);
if (
!Number.isNaN(colourChar1) &&
!Number.isNaN(colourChar2) &&
parseInt(colourChar2) > parseInt(colourChar1) &&
!Number.isNaN(parsedColour) &&
parseInt(parsedColour) < 10
) {
parsedColour = parseInt(colourChar2);
widthOfColCodes += 1;
asciiStringArray.shift();
}
if (
parseInt(colourChar2) === parseInt(colourChar1) &&
parseInt(parsedColour) < 10
) {
parsedColour = parseInt(colourChar1);
asciiStringArray.shift();
asciiStringArray.shift();
widthOfColCodes += 2;
curBlock.bg = parseInt(colourChar1);
break;
}
if (Number.isNaN(parsedColour)) {
curBlock.bg = parseInt(colourChar1);
widthOfColCodes += 1;
asciiStringArray.shift();
} else if (parsedColour <= MIRC_MAX_COLOURS && parsedColour >= 0) {
curBlock.bg = parseInt(parsedColour);
widthOfColCodes += parsedColour.toString().length;
asciiStringArray = asciiStringArray.slice(
parsedColour.toString().length,
asciiStringArray.length,
);
break;
}
break;
default:
curBlock.char = curChar;
asciiStringArray.shift();
asciiX++;
finalAscii.blocks[asciiY][asciiX - 1] = {
...curBlock,
};
break;
} // End Switch
} // End loop charPos
// Store the ASCII
finalAscii.blocks = LZString.compressToUTF16(
JSON.stringify(finalAscii.blocks),
);
// We need to also store in the first undo history the original state
finalAscii.history.push(finalAscii.blocks);
store.commit('newAsciibirdMeta', finalAscii);
// Update the browsers title to the ASCII filename
document.title = `asciibird - ${store.getters.currentAscii.title}`;
return true;
};
// Creates new blank ASCII
export const createNewAscii = (forms) => {
const newAscii = {
title: forms.createAscii.title,
key: store.getters.asciibirdMeta.length,
width: forms.createAscii.width,
height: forms.createAscii.height,
blockWidth: blockWidth * store.getters.blockSizeMultiplier,
blockHeight: blockHeight * store.getters.blockSizeMultiplier,
history: [],
redo: [],
x: 247, // the dragable ascii canvas x
y: 24, // the dragable ascii canvas y
blocks: create2DArray(forms.createAscii.height),
};
// Push all the default ASCII blocks
for (let x = 0; x < newAscii.width; x++) {
for (let y = 0; y < newAscii.height; y++) {
newAscii.blocks[y].push({
...emptyBlock,
});
}
}
newAscii.blocks = LZString.compressToUTF16(JSON.stringify(newAscii.blocks));
newAscii.history.push(newAscii.blocks);
store.commit('newAsciibirdMeta', newAscii);
store.commit('closeModal', 'new-ascii');
return true;
};
// Converts ASCIIBIRD blocks to mIRC colours
export const exportMirc = () => {
const {
currentAscii
} = store.getters;
const blocks = store.getters.currentAsciiBlocks;
const output = [];
let curBlock = null;
let prevBlock = {
bg: -1,
fg: -1
};
for (let y = 0; y <= blocks.length - 1; y++) {
if (y >= currentAscii.height) {
continue;
}
for (let x = 0; x <= blocks[y].length - 1; x++) {
if (x >= currentAscii.width) {
continue;
}
curBlock = blocks[y][x];
// If we have a difference between our previous block
// we'll put a colour codes and continue as normal
if (curBlock.bg !== prevBlock.bg || curBlock.fg !== prevBlock.fg) {
curBlock = {
...blocks[y][x]
};
const zeroPad = (num, places) => String(num).padStart(places, '0');
output.push(
`\u0003${zeroPad(
curBlock.fg ?? store.getters.options.defaultFg,
2,
)},${zeroPad(curBlock.bg ?? store.getters.options.defaultBg, 2)}`,
);
}
// null .chars will end up as space
output.push(curBlock.char ?? ' ');
prevBlock = blocks[y][x];
}
// We can never have a -1 colour code so we'll always
// write one at the start of each line
prevBlock = {
bg: -1,
fg: -1
};
// New line except for the very last line
if (y < blocks.length - 1) {
output.push('\n');
}
}
// Download to a txt file
// Check if txt already exists and append it
const filename = currentAscii.title.slice(currentAscii.title.length - 3) === 'txt' ?
currentAscii.title :
`${currentAscii.title}.txt`;
return {
filename,
output
}
}
// Download a string to a file with a filename
export const downloadFile = (content, filename, contentType) => {
const a = document.createElement('a');
const file = new Blob([content], {
type: contentType
});
a.href = URL.createObjectURL(file);
a.download = filename;
a.click();
URL.revokeObjectURL(a.href);
};
export const checkForGetRequest = async () => {
const asciiUrlCdn = new URL(location.href).searchParams.get('ascii');
if (asciiUrlCdn) {
const res = await fetch(`https://ascii.jewbird.live/${asciiUrlCdn}`, {
method: 'GET',
headers: {
Accept: 'text/plain',
},
});
const asciiData = await res.text();
parseMircAscii(asciiData, asciiUrlCdn);
return;
}
const asciiUrl = new URL(location.href).searchParams.get('ircwatch');
if (asciiUrl) {
const res = await fetch(`https://irc.watch/ascii/txt/${asciiUrl}`, {
method: 'GET',
headers: {
Accept: 'text/plain',
},
});
const asciiData = await res.text();
parseMircAscii(asciiData, asciiUrl);
return;
}
const haxAscii = new URL(location.href).searchParams.get('haxAscii');
if (haxAscii) {
const res = await fetch(`https://art.h4x.life/${haxAscii}`, {
method: 'GET',
headers: {
Accept: 'text/plain',
},
});
// Considers paths
const asciiName = haxAscii.split('/').pop();
const asciiData = await res.text();
parseMircAscii(asciiData, asciiName);
return;
}
}
// Hashing algo to detect duplicate brushes
// from https://stackoverflow.com/questions/7616461/generate-a-hash-from-string-in-javascript
export const cyrb53 = function (str, seed = 1337) {
let h1 = 0xdeadbeef ^ seed,
h2 = 0x41c6ce57 ^ seed;
for (let i = 0, ch; i < str.length; i++) {
ch = str.charCodeAt(i);
h1 = Math.imul(h1 ^ ch, 2654435761);
h2 = Math.imul(h2 ^ ch, 1597334677);
}
h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507) ^ Math.imul(h2 ^ (h2 >>> 13), 3266489909);
h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507) ^ Math.imul(h1 ^ (h1 >>> 13), 3266489909);
return 4294967296 * (2097151 & h2) + (h1 >>> 0);
};
export const fillNullBlocks = function (blocks) {
for (let y = 0; y < blocks.length; y++) {
for (let x = 0; x < blocks[0].length; x++) {
if (blocks[y] && !blocks[y][x]) {
blocks[y][x] = {
...emptyBlock
}
}
}
}
return blocks
}
export const getBlocksWidth = function (blocks) {
for (let y = 0; y < blocks.length; y++) {
if (!blocks[y]) {
continue
}
if (blocks[y]) {
return blocks[y].length
}
}
}
export const filterNullBlocks = function (blocks) {
let newBlocks = [];
let y;
blocks = blocks.filter(function (item) {
return item !== null
});
for (y = 0; y < blocks.length; y++) {
newBlocks[y] = (blocks[y].filter(function (item) {
return item !== null
}))
}
return newBlocks
}
export default createNewAscii;