src/main/java/com/irtimaled/bbor/client/providers/CacheProvider.java

   1 package com.irtimaled.bbor.client.providers;
   2
   3 import com.irtimaled.bbor.client.GetCache;
   4 import com.irtimaled.bbor.client.Player;
   5 import com.irtimaled.bbor.client.config.BoundingBoxTypeHelper;
   6 import com.irtimaled.bbor.client.config.ConfigManager;
   7 import com.irtimaled.bbor.client.interop.ClientInterop;
   8 import com.irtimaled.bbor.common.BoundingBoxCache;
   9 import com.irtimaled.bbor.common.MathHelper;
  10 import com.irtimaled.bbor.common.models.AbstractBoundingBox;
  11 import com.irtimaled.bbor.common.models.DimensionId;
  12
  13 import java.util.HashSet;
  14 import java.util.Map;
  15 import java.util.Set;
  16
  17 public class CacheProvider implements IBoundingBoxProvider<AbstractBoundingBox> {
  18     private static final int CHUNK_SIZE = 16;
  19
  20     private final GetCache getCache;
  21
  22     public CacheProvider(GetCache getCache) {
  23         this.getCache = getCache;
  24     }
  25
  26     private static boolean isWithinRenderDistance(AbstractBoundingBox boundingBox) {
  27         int renderDistanceBlocks = ClientInterop.getRenderDistanceChunks() * CHUNK_SIZE;
  28         int minX = MathHelper.floor(Player.getX() - renderDistanceBlocks);
  29         int maxX = MathHelper.floor(Player.getX() + renderDistanceBlocks);
  30         int minZ = MathHelper.floor(Player.getZ() - renderDistanceBlocks);
  31         int maxZ = MathHelper.floor(Player.getZ() + renderDistanceBlocks);
  32
  33         return boundingBox.intersectsBounds(minX, minZ, maxX, maxZ);
  34     }
  35
  36     @Override
  37     public Iterable<AbstractBoundingBox> get(DimensionId dimensionId) {
  38         Boolean outerBoxesOnly = ConfigManager.outerBoxesOnly.get();
  39
  40         Set<AbstractBoundingBox> boundingBoxes = new HashSet<>();
  41         BoundingBoxCache cache = getCache.apply(dimensionId);
  42         if (cache != null) {
  43             for (Map.Entry<AbstractBoundingBox, Set<AbstractBoundingBox>> entry : cache.getBoundingBoxes().entrySet()) {
  44                 AbstractBoundingBox key = entry.getKey();
  45                 if (BoundingBoxTypeHelper.shouldRender(key.getType()) && isWithinRenderDistance(key)) {
  46                     if (!outerBoxesOnly) {
  47                         Set<AbstractBoundingBox> children = entry.getValue();
  48                         if (children != null && children.size() > 0) {
  49                             boundingBoxes.addAll(children);
  50                             continue;
  51                         }
  52                     }
  53                     boundingBoxes.add(key);
  54                 }
  55             }
  56         }
  57         return boundingBoxes;
  58     }
  59 }