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

   1 package com.irtimaled.bbor.client.providers;
   2
   3 import com.irtimaled.bbor.client.Player;
   4 import com.irtimaled.bbor.client.interop.SpawningSphereHelper;
   5 import com.irtimaled.bbor.client.models.BoundingBoxSpawningSphere;
   6 import com.irtimaled.bbor.client.models.Point;
   7 import com.irtimaled.bbor.common.MathHelper;
   8 import com.irtimaled.bbor.common.models.Coords;
   9
  10 public class SpawningSphereProvider implements IBoundingBoxProvider<BoundingBoxSpawningSphere> {
  11     private static BoundingBoxSpawningSphere spawningSphere;
  12     private static Integer dimensionId;
  13
  14     public static void setSphere(double x, double y, double z) {
  15         Coords coords = new Coords(x, y, z);
  16         double xOffset = snapToNearestHalf(x -coords.getX());
  17         double yOffset = y- coords.getY();
  18         double zOffset = snapToNearestHalf(z-coords.getZ());
  19
  20         if(spawningSphere != null && spawningSphere.isCenter(coords, xOffset, yOffset, zOffset)) {
  21             return;
  22         }
  23         clear();
  24
  25         dimensionId = Player.getDimensionId();
  26         spawningSphere = new BoundingBoxSpawningSphere(coords, xOffset, yOffset, zOffset);
  27     }
  28
  29     private static double snapToNearestHalf(double value) {
  30         int floor = MathHelper.floor(value * 4.0);
  31         if(floor % 2 == 1) floor += 1;
  32         return floor / 4.0;
  33     }
  34
  35     public static boolean clear() {
  36         if(spawningSphere != null) {
  37             spawningSphere = null;
  38             dimensionId = null;
  39             return true;
  40         }
  41         return false;
  42     }
  43
  44     public static int recalculateSpawnableSpacesCount() {
  45         if (spawningSphere != null) {
  46             Point sphereCenter = new Point(spawningSphere.getCenter())
  47                     .offset(spawningSphere.getCenterOffsetX(),
  48                             spawningSphere.getCenterOffsetY(),
  49                             spawningSphere.getCenterOffsetZ());
  50             int spawnableSpacesCount = getSpawnableSpacesCount(sphereCenter);
  51             spawningSphere.setSpawnableCount(spawnableSpacesCount);
  52             return spawnableSpacesCount;
  53         }
  54         return -1;
  55     }
  56
  57     private static int getSpawnableSpacesCount(Point center) {
  58         int size = BoundingBoxSpawningSphere.SPAWN_RADIUS + 2;
  59         return SpawningSphereHelper.findSpawnableSpaces(center, center.getCoords(), size, size, (x, y, z) -> true);
  60     }
  61
  62     private static final Iterable<BoundingBoxSpawningSphere> iterable = Iterators.singleton(() -> spawningSphere);
  63
  64     public Iterable<BoundingBoxSpawningSphere> get(int dimensionId) {
  65         if(spawningSphere == null || SpawningSphereProvider.dimensionId != dimensionId) {
  66             return Iterators.empty();
  67         }
  68         return iterable;
  69     }
  70 }