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

   1 package com.irtimaled.bbor.client.providers;
   2
   3 import com.irtimaled.bbor.client.Player;
   4 import com.irtimaled.bbor.client.models.BoundingBoxLine;
   5 import com.irtimaled.bbor.client.models.Point;
   6 import com.irtimaled.bbor.common.BoundingBoxType;
   7 import com.irtimaled.bbor.common.models.DimensionId;
   8
   9 import java.util.HashMap;
  10 import java.util.Map;
  11 import java.util.concurrent.ConcurrentHashMap;
  12
  13 public class CustomLineProvider implements IBoundingBoxProvider<BoundingBoxLine>, ICachingProvider {
  14     private static final Map<DimensionId, Map<Integer, BoundingBoxLine>> dimensionCache = new HashMap<>();
  15
  16     private static int getHashKey(Point minPoint, Point maxPoint) {
  17         return (31 + minPoint.hashCode()) * 31 + maxPoint.hashCode();
  18     }
  19
  20     private static Map<Integer, BoundingBoxLine> getCache(DimensionId dimensionId) {
  21         return dimensionCache.computeIfAbsent(dimensionId, i -> new ConcurrentHashMap<>());
  22     }
  23
  24     public static void add(Point minPoint, Point maxPoint, Double width) {
  25         DimensionId dimensionId = Player.getDimensionId();
  26         int cacheKey = getHashKey(minPoint, maxPoint);
  27         BoundingBoxLine line = BoundingBoxLine.from(minPoint, maxPoint, width, BoundingBoxType.Custom);
  28         getCache(dimensionId).put(cacheKey, line);
  29     }
  30
  31     public static boolean remove(Point min, Point max) {
  32         DimensionId dimensionId = Player.getDimensionId();
  33         int cacheKey = getHashKey(min, max);
  34         return getCache(dimensionId).remove(cacheKey) != null;
  35     }
  36
  37     public static void clear() {
  38         dimensionCache.values().forEach(Map::clear);
  39     }
  40
  41     public void clearCache() {
  42         clear();
  43     }
  44
  45     @Override
  46     public Iterable<BoundingBoxLine> get(DimensionId dimensionId) {
  47         return getCache(dimensionId).values();
  48     }
  49 }