Fixes for lowres lighting and map-purging/saving, tweak default settings

BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/config/WebappConfig.java

@@ -28,10 +28,10 @@ public class WebappConfig {
     private int maxZoomDistance = 100000;
 
     private int hiresSliderMax = 500;
-    private int hiresSliderDefault = 200;
-    private int hiresSliderMin = 50;
+    private int hiresSliderDefault = 100;
+    private int hiresSliderMin = 0;
 
-    private int lowresSliderMax = 10000;
+    private int lowresSliderMax = 7000;
     private int lowresSliderDefault = 2000;
     private int lowresSliderMin = 500;
 

BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/plugin/commands/CommandHelper.java

@@ -30,7 +30,6 @@
 import de.bluecolored.bluemap.common.plugin.text.TextFormat;
 import de.bluecolored.bluemap.common.rendermanager.RenderManager;
 import de.bluecolored.bluemap.common.rendermanager.RenderTask;
-import de.bluecolored.bluemap.core.map.BmMap;
 import de.bluecolored.bluemap.core.world.World;
 import org.apache.commons.lang3.time.DurationFormatUtils;
 
@@ -80,6 +79,11 @@ public List<Text> createStatusMessage(){
                     lines.add(Text.of(TextColor.GRAY, "  [" + getRefForTask(task) + "] ", TextColor.GOLD, task.getDescription()));
 
                     if (i == 0) {
+                        String detail = task.getDetail().orElse(null);
+                        if (detail != null) {
+                            lines.add(Text.of(TextColor.GRAY, "   Detail: ", TextColor.WHITE, detail));
+                        }
+
                         lines.add(Text.of(TextColor.GRAY, "   Progress: ", TextColor.WHITE,
                                 (Math.round(task.estimateProgress() * 10000) / 100.0) + "%"));
 

BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/rendermanager/CombinedRenderTask.java

@@ -26,10 +26,7 @@
 
 import de.bluecolored.bluemap.api.debug.DebugDump;
 
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
+import java.util.*;
 
 @DebugDump
 public class CombinedRenderTask<T extends RenderTask> implements RenderTask {
@@ -105,8 +102,11 @@ public boolean contains(RenderTask task) {
 
     @Override
     public String getDescription() {
-        //return description + " (" + (this.currentTaskIndex + 1) + "/" + tasks.size() + ")";
         return description;
     }
 
+    @Override
+    public Optional<String> getDetail() {
+        return Optional.ofNullable(this.tasks.get(this.currentTaskIndex).getDescription());
+    }
 }

BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/rendermanager/MapSaveTask.java

@@ -0,0 +1,48 @@
+package de.bluecolored.bluemap.common.rendermanager;
+
+import de.bluecolored.bluemap.core.map.BmMap;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+
+public class MapSaveTask implements RenderTask {
+
+    private final BmMap map;
+    private final AtomicBoolean saved;
+
+    public MapSaveTask(BmMap map) {
+        this.map = map;
+        this.saved = new AtomicBoolean(false);
+    }
+
+    @Override
+    public void doWork() {
+        if (this.saved.compareAndSet(false, true)) {
+            map.save();
+        }
+    }
+
+    @Override
+    public boolean hasMoreWork() {
+        return !this.saved.get();
+    }
+
+    @Override
+    public void cancel() {
+        this.saved.set(true);
+    }
+
+    @Override
+    public String getDescription() {
+        return "Save map '" + map.getId() + "'";
+    }
+
+    @Override
+    public boolean contains(RenderTask task) {
+        if (this == task) return true;
+        if (task == null) return false;
+        if (getClass() != task.getClass()) return false;
+        MapSaveTask other = (MapSaveTask) task;
+        return map.getId().equals(other.map.getId());
+    }
+
+}

BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/rendermanager/MapUpdateTask.java

@@ -38,7 +38,7 @@
 import java.util.stream.Collectors;
 
 @DebugDump
-public class MapUpdateTask extends CombinedRenderTask<WorldRegionRenderTask> {
+public class MapUpdateTask extends CombinedRenderTask<RenderTask> {
 
     private final BmMap map;
     private final Collection<Vector2i> regions;
@@ -77,17 +77,25 @@ public Collection<Vector2i> getRegions() {
         return regions;
     }
 
-    private static Collection<WorldRegionRenderTask> createTasks(BmMap map, Collection<Vector2i> regions, boolean force) {
-        List<WorldRegionRenderTask> tasks = new ArrayList<>(regions.size());
-        regions.forEach(region -> tasks.add(new WorldRegionRenderTask(map, region, force)));
+    private static Collection<RenderTask> createTasks(BmMap map, Collection<Vector2i> regions, boolean force) {
+        ArrayList<WorldRegionRenderTask> regionTasks = new ArrayList<>(regions.size());
+        regions.forEach(region -> regionTasks.add(new WorldRegionRenderTask(map, region, force)));
 
         // get spawn region
         World world = map.getWorld();
         Vector2i spawnPoint = world.getSpawnPoint().toVector2(true);
         Grid regionGrid = world.getRegionGrid();
         Vector2i spawnRegion = regionGrid.getCell(spawnPoint);
 
-        tasks.sort(WorldRegionRenderTask.defaultComparator(spawnRegion));
+        // sort tasks by distance to the spawn region
+        regionTasks.sort(WorldRegionRenderTask.defaultComparator(spawnRegion));
+
+        // save map before and after the whole update
+        ArrayList<RenderTask> tasks = new ArrayList<>(regionTasks.size() + 2);
+        tasks.add(new MapSaveTask(map));
+        tasks.addAll(regionTasks);
+        tasks.add(new MapSaveTask(map));
+
         return tasks;
     }
 

BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/rendermanager/RenderTask.java

@@ -24,6 +24,8 @@
  */
 package de.bluecolored.bluemap.common.rendermanager;
 
+import java.util.Optional;
+
 public interface RenderTask {
 
     void doWork() throws Exception;
@@ -55,4 +57,8 @@ default boolean contains(RenderTask task) {
 
     String getDescription();
 
+    default Optional<String> getDetail() {
+        return Optional.empty();
+    }
+
 }

BlueMapCommon/src/main/resources/de/bluecolored/bluemap/config/webapp.conf

@@ -29,7 +29,7 @@ enable-free-flight: true
 # The default map and camera-location where a user will start after opening the webapp.
 # This is in form of the url-anchor: Open your map in a browser and look at the url, everything after the '#' is the value for this setting.
 # Default is "no anchor" -> The camera will start with the topmost map and at that map's starting point.
-#start-location: "overworld:0:16:-32:390:0.1:0.19:0:0:perspective"
+#start-location: "world:0:16:-32:390:0.1:0.19:0:0:perspective"
 
 # The minimum (closest) and maximum (furthest) distance (in blocks) that the camera can be from the ground
 min-zoom-distance: 5
@@ -42,14 +42,14 @@ resolution-default: 1
 
 # The min, max and default values of the hires render-distance slider (settings-menu)
 # The values are in blocks.
-# Default is max:500 default:200 and min:50
+# Default is max:500 default:100 and min:0
 hires-slider-max: 500
-hires-slider-default: 200
-hires-slider-min: 50
+hires-slider-default: 100
+hires-slider-min: 0
 
 # The min, max and default values of the lowres render-distance slider (settings-menu)
 # The values are in blocks.
-# Default is max:10000 default:2000 and min:500
-lowres-slider-max: 10000
+# Default is max:7000 default:2000 and min:500
+lowres-slider-max: 7000
 lowres-slider-default: 2000
 lowres-slider-min: 500

BlueMapCore/src/main/java/de/bluecolored/bluemap/core/map/BmMap.java

@@ -130,7 +130,9 @@ public synchronized void save() {
         lowresTileManager.save();
         saveRenderState();
         saveMarkerState();
+        saveMapSettings();
 
+        // only save texture gallery if not present in storage
         try {
             if (storage.readMeta(id, MetaType.TEXTURES).isEmpty())
                 saveTextureGallery();

BlueMapCore/src/main/java/de/bluecolored/bluemap/core/map/hires/HiresModelRenderer.java

@@ -85,6 +85,19 @@ public void render(World world, Vector3i modelMin, Vector3i modelMax, HiresTileM
 
                         modelFactory.render(block, blockModel, blockColor);
 
+                        //update topBlockLight
+                        if (
+                                y >= renderSettings.getRemoveCavesBelowY() ||
+                                (renderSettings.isCaveDetectionUsesBlockLight() ? block.getBlockLightLevel() : block.getSunLightLevel()) > 0
+                        ) {
+                            if (blockColor.a > 0) {
+                                topBlockLight = Math.floor(topBlockLight * (1 - blockColor.a));
+                            }
+                            topBlockLight = Math.max(topBlockLight, block.getBlockLightLevel());
+                        } else {
+                            topBlockLight = 0;
+                        }
+
                         // skip empty blocks
                         if (blockModel.getSize() <= 0) continue;
 
@@ -95,11 +108,7 @@ public void render(World world, Vector3i modelMin, Vector3i modelMax, HiresTileM
                         if (blockColor.a > 0) {
                             maxHeight = y;
                             columnColor.overlay(blockColor.premultiplied());
-                            topBlockLight = Math.floor(topBlockLight * (1 - blockColor.a));
                         }
-
-                        //update topBlockLight
-                        topBlockLight = Math.max(topBlockLight, block.getBlockLightLevel());
                     }
                 }