src/main/java/com/irtimaled/bbor/client/interop/SaveGameStructureLoader.java

   1 package com.irtimaled.bbor.client.interop;
   2
   3 import com.irtimaled.bbor.client.Player;
   4 import net.minecraft.client.Minecraft;
   5 import net.minecraft.world.chunk.storage.RegionFileCache;
   6 import net.minecraft.world.storage.ISaveFormat;
   7 import net.minecraft.world.storage.ISaveHandler;
   8
   9 import java.io.File;
  10 import java.util.HashMap;
  11 import java.util.Map;
  12
  13 public class SaveGameStructureLoader {
  14     private static final Map<Integer, NBTStructureLoader> nbtStructureLoaders = new HashMap<>();
  15     private static ISaveHandler saveHandler = null;
  16     private static File worldDirectory = null;
  17
  18     static void loadSaveGame(String fileName) {
  19         Minecraft minecraft = Minecraft.getInstance();
  20         ISaveFormat saveLoader = minecraft.getSaveLoader();
  21         saveHandler = saveLoader.getSaveLoader(fileName, null);
  22         worldDirectory = saveLoader.getWorldFolder(fileName).toFile();
  23
  24         for (int dimensionId : nbtStructureLoaders.keySet()) {
  25             NBTStructureLoader dimensionProcessor = getNBTStructureLoader(dimensionId);
  26             dimensionProcessor.configure(saveHandler, worldDirectory);
  27         }
  28
  29         loadChunksAroundPlayer();
  30     }
  31
  32     private static void loadChunksAroundPlayer() {
  33         NBTStructureLoader dimensionProcessor = getNBTStructureLoader(Player.getDimensionId());
  34         int renderDistance = ClientInterop.getRenderDistanceChunks();
  35
  36         int playerChunkX = (int) Player.getX() >> 4;
  37         int minChunkX = playerChunkX - renderDistance;
  38         int maxChunkX = playerChunkX + renderDistance;
  39
  40         int playerChunkZ = (int) Player.getZ() >> 4;
  41         int minChunkZ = playerChunkZ - renderDistance;
  42         int maxChunkZ = playerChunkZ + renderDistance;
  43
  44         for (int chunkX = minChunkX; chunkX < maxChunkX; chunkX++) {
  45             for (int chunkZ = minChunkZ; chunkZ < maxChunkZ; chunkZ++) {
  46                 dimensionProcessor.loadStructures(chunkX, chunkZ);
  47             }
  48         }
  49     }
  50
  51     static void loadStructures(int chunkX, int chunkZ) {
  52         NBTStructureLoader dimensionProcessor = getNBTStructureLoader(Player.getDimensionId());
  53         dimensionProcessor.loadStructures(chunkX, chunkZ);
  54     }
  55
  56     private static NBTStructureLoader getNBTStructureLoader(int dimensionId) {
  57         return nbtStructureLoaders.computeIfAbsent(dimensionId,
  58                 id -> new NBTStructureLoader(id, saveHandler, worldDirectory));
  59     }
  60
  61     public static void clear() {
  62         nbtStructureLoaders.values().forEach(NBTStructureLoader::clear);
  63         nbtStructureLoaders.clear();
  64         saveHandler = null;
  65         worldDirectory = null;
  66         RegionFileCache.clearRegionFileReferences();
  67     }
  68 }