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