add world redirects

backend/pages/accounts/configure.js

@@ -258,6 +258,7 @@ module.exports.GET = async function(req, write, server, ctx, params) {
 		color_cell: world.feature.colorCell,
 		quick_erase: world.feature.quickErase,
 		show_cursor: world.feature.showCursor,
+		redirect_value: world.feature.redirect,
 
 		color,
 		cursor_color,
@@ -785,6 +786,15 @@ module.exports.POST = async function(req, write, server, ctx) {
 			modifyWorldProp(world, "opts/desc", "");
 		}
 
+		if(post_data.redirect_value) {
+			var redir = post_data.redirect_value;
+			if(typeof redir != "string") redir = "";
+			redir = redir.trim().replace(/\r|\n/g, "");
+			modifyWorldProp(world, "feature/redirect", redir);
+		} else {
+			modifyWorldProp(world, "feature/redirect", "");
+		}
+
 		if(post_data.priv_note) {
 			var pnote = post_data.priv_note;
 			if(typeof pnote != "string") pnote = "";

backend/pages/world_props.js

@@ -41,7 +41,8 @@ module.exports.GET = async function(req, write, server, ctx) {
 			showCursor: world.feature.showCursor,
 			colorText: world.feature.colorText,
 			colorCell: world.feature.colorCell,
-			quickErase: world.feature.quickErase
+			quickErase: world.feature.quickErase,
+			redirect: world.feature.redirect
 		},
 		theme: {
 			bg: world.theme.bg,

backend/pages/yourworld.js

@@ -108,6 +108,7 @@ module.exports.GET = async function(req, write, server, ctx, params) {
 			},
 			worldModel: {
 				feature_membertiles_addremove: world.feature.memberTilesAddRemove,
+				redirect: world.feature.redirect,
 				writability: world.writability,
 				feature_url_link: world.feature.urlLink,
 				feature_go_to_coord: world.feature.goToCoord,

backend/subsystems/world_mgr.js

@@ -93,7 +93,8 @@ var world_default_props = {
 	color_palette_enabled: false,
 	color_palette: null,
 	bg_color_palette_enabled: false,
-	bg_color_palette: null
+	bg_color_palette: null,
+	redirect: ""
 };
 
 function validateWorldname(name) {
@@ -129,6 +130,7 @@ async function insertWorld(name) {
 	var writability = 0;
 	var readability = 0;
 	var properties = JSON.stringify({});
+	var redirect = "";
 
 	var rw = await db.run(`
 		INSERT INTO world (id, name, owner_id, created_at, feature_go_to_coord, feature_membertiles_addremove, feature_paste,
@@ -198,7 +200,8 @@ function makeWorldObject() {
 			showCursor: 0,
 			colorText: 0,
 			colorCell: 0,
-			quickErase: 0
+			quickErase: 0,
+			redirect: "",
 		},
 		theme: {
 			bg: "",
@@ -327,6 +330,7 @@ function loadWorldIntoObject(world, wobj) {
 	wobj.feature.colorText = getAndProcWorldProp(wprops, "color_text");
 	wobj.feature.colorCell = getAndProcWorldProp(wprops, "color_cell");
 	wobj.feature.quickErase = getAndProcWorldProp(wprops, "quick_erase");
+	wobj.feature.redirect = getAndProcWorldProp(wprops, "redirect");
 
 	wobj.theme.bg = world.custom_bg;
 	wobj.theme.cursor = world.custom_cursor;
@@ -497,6 +501,7 @@ async function commitWorld(world) {
 		"feature/colorText",
 		"feature/colorCell",
 		"feature/quickErase",
+		"feature/redirect",
 		"theme/menu",
 		"theme/publicText",
 		"theme/memberText",
@@ -535,6 +540,7 @@ async function commitWorld(world) {
 		color_text: world.feature.colorText,
 		color_cell: world.feature.colorCell,
 		quick_erase: world.feature.quickErase,
+		redirect: world.feature.redirect,
 		custom_menu_color: world.theme.menu,
 		custom_public_text_color: world.theme.publicText,
 		custom_member_text_color: world.theme.memberText,

frontend/templates/configure.html

@@ -820,6 +820,14 @@ <h1>Options for "<a href="/{{ world }}">{{ world }}</a>"</h1>
 							<input id="memkey_value" name="memkey_value" type="input" maxlength="64" value={{memkey_value}}>
 						</div>
 					</div>
+					<div>
+						<b>Redirect</b>
+						<br>
+						<div>
+							Where to redirect (leave blank for no redirect):
+							<input id="redirect_value" name="redirect_value" type="input" value={{redirect_value}}>
+						</div>
+					</div>
 				</div>
 				<input type="hidden" name="form" value="misc">
 				<input type="submit" value="Submit">

frontend/templates/yourworld.html

@@ -55,6 +55,11 @@ <h1 id="loading">Loading...</h1>
 		<div style="display:none"><input type="hidden" name="csrfmiddlewaretoken" value="{{ csrftoken }}" /></div>
 		<script>
 			var state = {{ state|safe }};
+			if(state.worldModel.redirect!=""){
+				if(confirm(`Select the OK option to redirect to the world: ${state.worldModel.redirect}`)){
+					location.pathname=state.worldModel.redirect;
+				}
+			};
 		</script>
 
 		<textarea autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" style="left: -1000px; top: -1000px; position: absolute;" id="textInput"></textarea>