Add pack metadata to editor pack properties and C2G export

js/editor/dialogs.js

@@ -14,8 +14,13 @@ export class EditorPackMetaOverlay extends DialogOverlay {
         dl.append(
             mk('dt', "Title"),
             mk('dd', mk('input', {name: 'title', type: 'text', value: stored_pack.title})),
+            mk('dt', "Author"),
+            mk('dd', mk('input', {name: 'author', type: 'text', value: stored_pack.metadata.by ?? ""})),
+            mk('dt', "Description"),
+            mk('dd.-textarea', mk('textarea', {name: 'description'}, stored_pack.metadata.description ?? "")),
+            mk('dt', "Difficulty"),
+            mk('dd', mk('input', {name: 'difficulty', type: 'number', min: 1, max: 5, step: 0.5, value: stored_pack.metadata.difficulty ?? 3}), " (between 1 and 5)"),
         );
-        // TODO...?  what else is a property of the pack itself
 
         this.add_button("save", () => {
             let els = this.root.elements;
@@ -25,6 +30,9 @@ export class EditorPackMetaOverlay extends DialogOverlay {
                 stored_pack.title = title;
                 this.conductor.update_level_title();
             }
+            stored_pack.metadata.by = els.author.value || undefined;
+            stored_pack.metadata.description = els.description.value || undefined;
+            stored_pack.metadata.difficulty = parseFloat(els.difficulty.value);
 
             this.close();
         });

js/editor/main.js

@@ -508,6 +508,15 @@ export class Editor extends PrimaryView {
                 let lines = [];
                 let safe_title = (stored_pack.title || "untitled").replace(/[""]/g, "'").replace(/[\x00-\x1f]+/g, "_");
                 lines.push(`game "${safe_title}"`);
+                if (stored_pack.metadata.by) {
+                    lines.push(`; meta by: ${stored_pack.metadata.by}`);
+                }
+                if (stored_pack.metadata.description) {
+                    lines.push(`; meta description: ${stored_pack.metadata.description}`);
+                }
+                if (stored_pack.metadata.difficulty) {
+                    lines.push(`; meta difficulty: ${stored_pack.metadata.difficulty}`);
+                }
 
                 let files = {};
                 let count = stored_pack.level_metadata.length;
@@ -741,6 +750,7 @@ export class Editor extends PrimaryView {
         let pack_key = stored_pack.editor_metadata.key;
         this.stash.packs[pack_key] = {
             title: stored_pack.title,
+            metadata: stored_pack.metadata,
             level_count: stored_pack.level_metadata.length,
             last_modified: Date.now(),
         };
@@ -824,6 +834,7 @@ export class Editor extends PrimaryView {
         });
         // TODO should this also be in the pack's stash...?
         stored_pack.title = this.stash.packs[pack_key].title;
+        stored_pack.metadata = this.stash.packs[pack_key].metadata ?? {};
         stored_pack.editor_metadata = {
             key: pack_key,
         };

js/format-base.js

@@ -154,6 +154,7 @@ export class StoredPack {
     constructor(identifier, level_loader) {
         this.identifier = identifier;
         this.title = "";
+        this.metadata = {};
         this._level_loader = level_loader;
 
         // Simple objects containing keys that are usually:

js/format-c2g.js

@@ -2113,6 +2113,18 @@ class Parser {
     }
 }
 
+
+function parse_pack_metadata(string) {
+    let metadata = {};
+    for (let match of string.matchAll(/; meta (.+?): (.+)/g)) {
+        metadata[match[1]] = match[2];
+    }
+    if (metadata.difficulty) {
+        metadata.difficulty = parseFloat(metadata.difficulty);
+    }
+    return metadata;
+}
+
 // C2G is a Chip's Challenge 2 format that describes the structure of a level set, which is helpful
 // since CC2 levels are all stored in separate files
 // XXX observations i have made about this hell format:
@@ -2176,6 +2188,7 @@ const MAX_SIMULTANEOUS_REQUESTS = 5;
     // FIXME and right off the bat we have an Issue: this is a text format so i want a string, not
     // an arraybuffer!
     let contents = util.string_from_buffer_ascii(buf);
+    game.metadata = parse_pack_metadata(contents);
     parser = new Parser(contents);
     let statements = [];
     let level_number = 1;