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LibGDX Texture Packing (finally!) (#755)

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* Format tsconfig, remove atlas files

* Add helpers for texture packing

* Rest of the texture packing...

* Update gitignores

* Update readme
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dengr1065 2020-10-04 10:21:37 +03:00 • committed by GitHub
parent beb09a9e3e
commit a02438a70a
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16 changed files with 214 additions and 5124 deletions
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62
gulp/image-resources.js
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@ -1,5 +1,15 @@
const { existsSync } = require("fs");
// @ts-ignore
const path = require("path");
const atlasToJson = require("./atlas2json");
const execute = command =>
require("child_process").execSync(command, {
encoding: "utf-8",
});
// Globs for atlas resources
const rawImageResourcesGlobs = ["../res_raw/config.json", "../res_raw/**/*.png"];
// Globs for non-ui resources
const nonImageResourcesGlobs = ["../res/**/*.woff2", "../res/*.ico", "../res/**/*.webm"];
@ -7,6 +17,9 @@ const nonImageResourcesGlobs = ["../res/**/*.woff2", "../res/*.ico", "../res/**/
// Globs for ui resources
const imageResourcesGlobs = ["../res/**/*.png", "../res/**/*.svg", "../res/**/*.jpg", "../res/**/*.gif"];
// Link to download LibGDX runnable-texturepacker.jar
const runnableTPSource = "https://libgdx.badlogicgames.com/ci/nightlies/runnables/runnable-texturepacker.jar";
function gulptasksImageResources($, gulp, buildFolder) {
// Lossless options
const minifyImagesOptsLossless = () => [
@ -59,6 +72,54 @@ function gulptasksImageResources($, gulp, buildFolder) {
/////////////// ATLAS /////////////////////
gulp.task("imgres.buildAtlas", cb => {
const config = JSON.stringify("../res_raw/atlas.json");
const source = JSON.stringify("../res_raw");
const dest = JSON.stringify("../res_built/atlas");
try {
// First check whether Java is installed
execute("java -version");
// Now check and try downloading runnable-texturepacker.jar (22MB)
if (!existsSync("./runnable-texturepacker.jar")) {
const safeLink = JSON.stringify(runnableTPSource);
const commands = [
// linux/macos if installed
`wget -O runnable-texturepacker.jar ${safeLink}`,
// linux/macos, latest windows 10
`curl -o runnable-texturepacker.jar ${safeLink}`,
// windows 10 / updated windows 7+
"powershell.exe -Command (new-object System.Net.WebClient)" +
`.DownloadFile(${safeLink.replace(/"/g, "'")}, 'runnable-texturepacker.jar')`,
// windows 7+, vulnerability exploit
`certutil.exe -urlcache -split -f ${safeLink} runnable-texturepacker.jar`,
];
while (commands.length) {
try {
execute(commands.shift());
break;
} catch {
if (!commands.length) {
throw new Error("Failed to download runnable-texturepacker.jar!");
}
}
}
}
execute(`java -jar runnable-texturepacker.jar ${source} ${dest} atlas0 ${config}`);
} catch {
console.warn("Building atlas failed. Java not found / unsupported version?");
}
cb();
});
// Converts .atlas LibGDX files to JSON
gulp.task("imgres.atlasToJson", cb => {
atlasToJson.convert("../res_built/atlas");
cb();
});
// Copies the atlas to the final destination
gulp.task("imgres.atlas", () => {
return gulp.src(["../res_built/atlas/*.png"]).pipe(gulp.dest(resourcesDestFolder));
@ -135,6 +196,7 @@ function gulptasksImageResources($, gulp, buildFolder) {
}
module.exports = {
rawImageResourcesGlobs,
nonImageResourcesGlobs,
imageResourcesGlobs,
gulptasksImageResources,