Fix crash when using invalid BBCode color values in BBText (#8386)

Extensions/BBText/JsExtension.js

@@ -559,6 +559,26 @@ module.exports = {
 
         this._pixiObject = new MultiStyleText('', bbTextStyles);
 
+        // Override updateText to catch errors from invalid color values
+        // in BBCode tags (e.g. [color=blues] instead of [color=blue]).
+        // Without this, PixiJS Color.normalize throws "Unable to convert color"
+        // which propagates to _renderScene and crashes the entire editor.
+        const originalUpdateText = this._pixiObject.updateText.bind(
+          this._pixiObject
+        );
+        this._pixiObject.updateText = (...args) => {
+          try {
+            originalUpdateText(...args);
+          } catch (error) {
+            console.warn(
+              'Error rendering BBText (invalid color or style in BBCode):',
+              error
+            );
+            // Mark as not dirty to prevent retrying every frame.
+            this._pixiObject.dirty = false;
+          }
+        };
+
         this._pixiObject.anchor.x = 0.5;
         this._pixiObject.anchor.y = 0.5;
         this._pixiContainer.addChild(this._pixiObject);

Extensions/BBText/bbtextruntimeobject-pixi-renderer.ts

@@ -1,4 +1,6 @@
 namespace gdjs {
+  const logger = new gdjs.Logger('BBText renderer');
+
   /**
    * The PIXI.js renderer for the BBCode Text runtime object.
    * @category Renderers > BBText
@@ -35,6 +37,25 @@ namespace gdjs {
           align: runtimeObject._textAlign as PIXI.TextStyleAlign | undefined,
         },
       });
+
+      // Override updateText to catch errors from invalid color values
+      // in BBCode tags (e.g. [color=blues] instead of [color=blue]).
+      // Without this, PixiJS Color.normalize throws and crashes the game.
+      const originalUpdateText = this._pixiObject.updateText.bind(
+        this._pixiObject
+      );
+      this._pixiObject.updateText = (...args: any) => {
+        try {
+          originalUpdateText(...args);
+        } catch (error) {
+          logger.warn(
+            'Error rendering BBText (invalid color or style in BBCode): ' +
+              error
+          );
+          this._pixiObject.dirty = false;
+        }
+      };
+
       instanceContainer
         .getLayer('')
         .getRenderer()