Put failed tiles back into the tile queue by default.

README.md

@@ -39,6 +39,7 @@ The maps can be configured by adding options to the map's section in the `world.
 | `chunkyCpuLoad`                  | Percentage of CPU time to use, per Chunky thread. Note that this only throttles the CPU usage during rendering, not during scene loading or post processing.                     | 100     |
 | `texturepack`                    | Texturepack path, relative to `plugins/dynmap`. Use this option to specify a texturepack for a map. The texturepack in Dynmap's `configuration.txt` is ignored by ChunkyMap.     | _None_  |
 | `chunkPadding`                   | Radius of additional chunks to be loaded around each chunk that is required to render a tile of the map. This can be used to reduce artifacts caused by shadows and reflections. | 0       |
+| `requeueFailedTiles`             | Put tiles that failed to render back into the tile queue.                                                                                                                        | true    |
 | `templateScene`                  | Path to a Chunky scene file (JSON), relative to `plugins/dynmap`. Use this option to customize the scene that is used for rendering the tiles, e.g. to change the water color.   | _None_  |
 | `texturepackVersion`             | The Minecraft version that should be used as fallback textures                                                                                                                   | 1.16.2  |
 | `denoiser.enabled`               | Enable denoising using [Intel Open Image Denoise](https://openimagedenoise.github.io/). Only works on Linux                                                                      | false   |

src/main/java/de/lemaik/chunkymap/dynmap/ChunkyMap.java

@@ -44,7 +44,8 @@ public class ChunkyMap extends HDMap {
   private File defaultTexturepackPath;
   private File texturepackPath;
   private JsonObject templateScene;
-  private int chunkPadding;
+  private final int chunkPadding;
+  private final boolean requeueFailedTiles;
 
   public ChunkyMap(DynmapCore dynmap, ConfigurationNode config) {
     super(dynmap, config);
@@ -69,6 +70,7 @@ public ChunkyMap(DynmapCore dynmap, ConfigurationNode config) {
       );
     }
     chunkPadding = config.getInteger("chunkPadding", 0);
+    requeueFailedTiles = config.getBoolean("requeueFailedTiles", true);
 
     String texturepackVersion = config.getString("texturepackVersion", DEFAULT_TEXTUREPACK_VERSION);
     File texturepackPath = new File(
@@ -196,6 +198,10 @@ int getChunkPadding() {
     return chunkPadding;
   }
 
+  public boolean getRequeueFailedTiles() {
+    return requeueFailedTiles;
+  }
+
   void applyTemplateScene(Scene scene) {
     if (this.templateScene != null) {
       scene.importFromJson(templateScene);

src/main/java/de/lemaik/chunkymap/dynmap/ChunkyMapTile.java

@@ -153,6 +153,12 @@ public boolean render(MapChunkCache mapChunkCache, String s) {
     } catch (Exception e) {
       ChunkyMapPlugin.getPlugin(ChunkyMapPlugin.class).getLogger()
           .log(Level.WARNING, "Rendering tile failed", e);
+
+      if (map.getRequeueFailedTiles()) {
+        // Re-queue the failed tile
+        // Somewhat hacky but works surprisingly well
+        MapManager.mapman.tileQueue.push(this);
+      }
       return false;
     } finally {
       context.dispose();