Merge branch 'master' into next

.github/ISSUE_TEMPLATE

@@ -1,11 +0,0 @@
-[!] Before you report an issue, check if if has already been reported. Also check if you are using the latest version of Blockbench.
-[!] Prefix the title of your issue with [Issue] or [Suggestion]
-[!] If you are having an issue, please press "Ctrl + Shift + i" and click on console. If there are any (red) error messages, please attach a screenshot of the console to your issue.
-
-For issues, please provide the following informations:
-- Detailed description of your issue
-- Model format in which the issue occurs 
-
-For issues that are related to installation, opening/closing, import/export or other platform specific actions, please provide these informations: 
-- Blockbench variant (Webapp/Desktop)
-- Operating System

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Modeling Help / Support
+    url: http://discord.blockbench.net
+    about: If you need help with modeling or implementing models into your project, please ask on the Discord server instead of opening an issue.

.github/ISSUE_TEMPLATE/issue.md

@@ -0,0 +1,15 @@
+---
+name: Bug / Issue
+about: Use this template to report an issue that occurs when using Blockbench
+title: "[Issue] Issue summary"
+---
+
+- Before you report an issue, check if if has already been reported.
+- Also check if you are using the latest version of Blockbench.
+- If applicable, go to Help > Developer > Open Dev Tools. Switch to the Console tab. If there are any (red) error messages, please attach a screenshot of them.
+
+Please make sure to provide the following information:
+- Detailed description of your issue
+- Model format in which the issue occurs
+- Blockbench variant (Website / PWA / Program)
+- Operating System

.github/ISSUE_TEMPLATE/suggestion.md

@@ -0,0 +1,8 @@
+---
+name: Suggestion
+about: Use this template to suggest features or improvements for Blockbench
+title: "[Suggestion] Suggestion summary"
+---
+
+- Please provide a detailed description of your suggestion.
+- Before submissing a suggestion, please check if it has already been suggested.

index.html

@@ -28,7 +28,7 @@
 		const appVersion = '3.9.2';
 
 		window.onerror = (message, file, line) => {
-			if (window.Blockbench && window.Blockbench.setup_successful) return;
+			if (typeof Blockbench != 'undefined' && Blockbench.setup_successful) return;
 
 			let error_element = document.querySelector('#loading_error_detail');
 			if (error_element && !error_element.innerText) {

js/interface/actions.js

@@ -1593,7 +1593,7 @@ const BARS = {
 			new Action('toggle_sidebars', {
 				icon: 'view_array',
 				category: 'view',
-				condition: () => !Blockbench.isMobile && !Mode.selected.hide_sidebars,
+				condition: () => !Blockbench.isMobile && Mode.selected && !Mode.selected.hide_sidebars,
 				keybind: new Keybind({key: 'b', ctrl: true}),
 				click: function () {
 					let status = !Prop.show_left_bar;

js/plugin_loader.js

@@ -1,6 +1,5 @@
 var onUninstall, onInstall;
 const Plugins = {
-	apipath: 'https://raw.githubusercontent.com/JannisX11/blockbench-plugins/master/plugins.json',
 	Vue: [],			//Vue Object
 	installed: [], 		//Simple List of Names
 	json: undefined,	//Json from website
@@ -112,7 +111,7 @@ class Plugin {
 		}
 		return await new Promise((resolve, reject) => {
 			var file = originalFs.createWriteStream(Plugins.path+this.id+'.js')
-			https.get('https://raw.githubusercontent.com/JannisX11/blockbench-plugins/master/plugins/'+this.id+'.js', function(response) {
+			https.get('https://cdn.jsdelivr.net/gh/JannisX11/blockbench-plugins/plugins/'+this.id+'.js', function(response) {
 				response.pipe(file);
 				response.on('end', function() {
 					setTimeout(async function() {
@@ -367,7 +366,7 @@ if (isApp) {
 }
 
 Plugins.loading_promise = new Promise((resolve, reject) => {
-	$.getJSON(Plugins.apipath, function(data) {
+	$.getJSON('https://cdn.jsdelivr.net/gh/JannisX11/blockbench-plugins/plugins.json', function(data) {
 		Plugins.json = data
 		resolve();
 		Plugins.loading_promise.resolved = true;

js/preview/canvas.js

@@ -93,7 +93,7 @@ const Canvas = {
 			}`
 		var fragShader = `
 			#ifdef GL_ES
-			precision highp float;
+			precision ${isApp ? 'highp' : 'mediump'} float;
 			#endif
 
 			uniform bool SHADE;
@@ -666,7 +666,7 @@ const Canvas = {
 			}`
 		var fragShader = `
 			#ifdef GL_ES
-			precision highp float;
+			precision ${isApp ? 'highp' : 'mediump'} float;
 			#endif
 
 			uniform sampler2D t0;

js/texturing/textures.js

@@ -95,7 +95,7 @@ class Texture {
 			}`
 		var fragShader = `
 			#ifdef GL_ES
-			precision highp float;
+			precision ${isApp ? 'highp' : 'mediump'} float;
 			#endif
 
 			uniform sampler2D map;