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