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Added command flipping

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This commit is contained in:
CBenni 2017-12-19 15:43:00 +01:00
parent 72110bd4f8
commit da29424126
1 changed files with 45 additions and 21 deletions
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66
index.js
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@ -41,7 +41,7 @@ function calculatePosition(scale, anchor, imageSize) {
return imageSize * anchor.position / 100 - anchor.offset * scale; return imageSize * anchor.position / 100 - anchor.offset * scale;
} }
function render(template, img, size) { function render(template, img, size, flipH) {
var imgWidth = img.width; var imgWidth = img.width;
var imgHeight = img.height; var imgHeight = img.height;
if (size && size.height) { if (size && size.height) {
@ -87,7 +87,7 @@ function render(template, img, size) {
const toDraw = [{ const toDraw = [{
z: 1, z: 1,
image: img, image: img,
x: imageOffsetX, x: flipH ? resultingWidth - imageOffsetX - imgWidth : imageOffsetX,
y: imageOffsetY, y: imageOffsetY,
h: imgHeight, h: imgHeight,
w: imgWidth, w: imgWidth,
@ -99,7 +99,8 @@ function render(template, img, size) {
y: templateOffsetY, y: templateOffsetY,
h: template.image.height * templateScale, h: template.image.height * templateScale,
w: template.image.width * templateScale, w: template.image.width * templateScale,
name: "template "+template.src name: "template "+template.src,
flipH
}].sort((u,v) => u.z > v.z); }].sort((u,v) => u.z > v.z);
var canvas = new Canvas(resultingWidth, resultingHeight); var canvas = new Canvas(resultingWidth, resultingHeight);
@ -107,9 +108,17 @@ function render(template, img, size) {
for(let i=0;i<toDraw.length;++i) { for(let i=0;i<toDraw.length;++i) {
const subject = toDraw[i]; const subject = toDraw[i];
console.log("Drawing "+subject.name) console.log("Drawing "+subject.name+(subject.flipH?" (flipped)":""))
try { try {
if(subject.flipH) {
ctx.save();
ctx.translate(resultingWidth, 0);
ctx.scale(-1, 1);
}
ctx.drawImage(subject.image, subject.x, subject.y, subject.w, subject.h); ctx.drawImage(subject.image, subject.x, subject.y, subject.w, subject.h);
if(subject.flipH) {
ctx.restore();
}
} catch (err) { } catch (err) {
console.error(err); console.error(err);
throw new Error(JSON.stringify({ status: 400, error: "Invalid template" })) throw new Error(JSON.stringify({ status: 400, error: "Invalid template" }))
@ -197,18 +206,29 @@ function loadImage(url) {
} }
}); });
} }
function reverseString(str) {
return str.split("").reverse().join("");
}
const commands = Object.keys(templates).map(x => '/'+x).join(', ');
const otherCommands = {
"invite": `Invite link: <${invitelink}>`,
"help": `Available commands: ${commands}.\nUse \\<command> to flip the template horizontally.\nInvite link: <${invitelink}>`,
"beebot": `Available commands: ${commands}.\nUse \\<command> to flip the template horizontally.\nInvite link: <${invitelink}>`
}
client.on('message', async function (message) { client.on('message', async function (message) {
console.log(`[${message.guild.name} - ${message.channel.name}] ${message.author.username}#${message.author.discriminator}: ${message.cleanContent}`); console.log(`[${message.guild.name} - ${message.channel.name}] ${message.author.username}#${message.author.discriminator}: ${message.cleanContent}`);
if(message.cleanContent.startsWith('/invite')) { let commandParsed = /^([\/\\])(\w+)\b/.exec(message.cleanContent);
message.channel.send(`Invite link: <${invitelink}>`); if(commandParsed) {
return; const [, direction, command] = commandParsed;
} if(otherCommands[command]) {
if(message.cleanContent.startsWith('/help') || message.cleanContent.startsWith('/beebot')) { const text = otherCommands[command];
let commands = Object.keys(templates).map(x => '/'+x).join(', '); message.channel.send(direction === "\\" ? reverseString(text) : text);
message.channel.send(`Available commands: ${commands}`); return;
return; }
} }
const messageSplit = message.cleanContent.split(" "); const messageSplit = message.cleanContent.split(" ");
@ -219,15 +239,19 @@ client.on('message', async function (message) {
if (emoji) { if (emoji) {
let name = emoji.name; let name = emoji.name;
for (var i = 0; i < messageSplit.length && count < 4; ++i) { for (var i = 0; i < messageSplit.length && count < 4; ++i) {
const commandParsed = /^\/(\w+)\b/.exec(messageSplit[i]); commandParsed = /^([\/\\])(\w+)\b/.exec(messageSplit[i]);
if (commandParsed && templates[commandParsed[1]]) { if (commandParsed) {
count++; const [, direction, command] = commandParsed;
name += commandParsed[1]; console.log("Got command ",direction, command, direction === '\\' ? "flipped":"not flipped");
if (result === null) result = await loadImage(emoji.url); if(templates[command]) {
const templateData = templates[commandParsed[1]]; count++;
all(templateData, template => { name += command;
result = render(template, result); if (result === null) result = await loadImage(emoji.url);
}) const templateData = templates[command];
all(templateData, template => {
result = render(template, result, null, direction === '\\');
})
}
} else { } else {
if(i===0) return; if(i===0) return;
} }