2018-08-08 03:16:53 +00:00
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/*
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* This file is part of Baritone.
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*
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* Baritone is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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2018-08-08 04:15:22 +00:00
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* Baritone is distributed in the hope that it will be useful,
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2018-08-08 03:16:53 +00:00
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Baritone. If not, see <https://www.gnu.org/licenses/>.
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*/
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2018-09-11 17:28:03 +00:00
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package baritone.cache;
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2018-08-05 04:36:59 +00:00
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2018-08-22 20:15:56 +00:00
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import baritone.pathing.movement.MovementHelper;
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import baritone.utils.Helper;
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import baritone.utils.pathing.PathingBlockType;
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2018-09-03 16:50:26 +00:00
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import net.minecraft.block.Block;
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import net.minecraft.block.BlockDoublePlant;
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import net.minecraft.block.BlockFlower;
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import net.minecraft.block.BlockTallGrass;
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2018-08-05 04:36:59 +00:00
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import net.minecraft.block.state.IBlockState;
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2018-08-22 19:04:44 +00:00
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import net.minecraft.init.Blocks;
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2018-08-22 18:41:31 +00:00
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import net.minecraft.util.ResourceLocation;
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2018-08-23 19:54:12 +00:00
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import net.minecraft.util.math.BlockPos;
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2018-09-04 22:18:51 +00:00
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import net.minecraft.world.chunk.BlockStateContainer;
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2018-08-05 04:36:59 +00:00
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import net.minecraft.world.chunk.Chunk;
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2018-09-04 22:18:51 +00:00
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import net.minecraft.world.chunk.storage.ExtendedBlockStorage;
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2018-08-05 04:36:59 +00:00
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2018-08-23 19:54:12 +00:00
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import java.util.*;
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2018-08-05 04:36:59 +00:00
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/**
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* @author Brady
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* @since 8/3/2018 1:09 AM
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*/
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public final class ChunkPacker implements Helper {
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private ChunkPacker() {}
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2018-09-04 22:18:51 +00:00
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private static BitSet originalPacker(Chunk chunk) {
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BitSet bitSet = new BitSet(CachedChunk.SIZE);
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for (int y = 0; y < 256; y++) {
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for (int z = 0; z < 16; z++) {
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for (int x = 0; x < 16; x++) {
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int index = CachedChunk.getPositionIndex(x, y, z);
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IBlockState state = chunk.getBlockState(x, y, z);
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boolean[] bits = getPathingBlockType(state).getBits();
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bitSet.set(index, bits[0]);
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bitSet.set(index + 1, bits[1]);
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}
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}
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}
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return bitSet;
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}
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2018-08-23 19:54:12 +00:00
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public static CachedChunk pack(Chunk chunk) {
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2018-08-29 23:22:57 +00:00
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long start = System.nanoTime() / 1000000L;
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2018-08-23 19:54:12 +00:00
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Map<String, List<BlockPos>> specialBlocks = new HashMap<>();
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2018-08-05 04:36:59 +00:00
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BitSet bitSet = new BitSet(CachedChunk.SIZE);
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try {
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2018-09-04 22:18:51 +00:00
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ExtendedBlockStorage[] chunkInternalStorageArray = chunk.getBlockStorageArray();
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for (int y0 = 0; y0 < 16; y0++) {
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ExtendedBlockStorage extendedblockstorage = chunkInternalStorageArray[y0];
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if (extendedblockstorage == null) {
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// any 16x16x16 area that's all air will have null storage
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// for example, in an ocean biome, with air from y=64 to y=256
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// the first 4 extended blocks storages will be full
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// and the remaining 12 will be null
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// since the index into the bitset is calculated from the x y and z
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// and doesn't function as an append, we can entirely skip the scanning
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// since a bitset is initialized to all zero, and air is saved as zeros
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continue;
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}
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BlockStateContainer bsc = extendedblockstorage.getData();
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int yReal = y0 << 4;
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2018-09-04 22:23:54 +00:00
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// the mapping of BlockStateContainer.getIndex from xyz to index is y << 8 | z << 4 | x;
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// for better cache locality, iterate in that order
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for (int y1 = 0; y1 < 16; y1++) {
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int y = y1 | yReal;
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for (int z = 0; z < 16; z++) {
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for (int x = 0; x < 16; x++) {
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2018-09-04 22:18:51 +00:00
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int index = CachedChunk.getPositionIndex(x, y, z);
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IBlockState state = bsc.get(x, y1, z);
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boolean[] bits = getPathingBlockType(state).getBits();
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bitSet.set(index, bits[0]);
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bitSet.set(index + 1, bits[1]);
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Block block = state.getBlock();
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if (CachedChunk.BLOCKS_TO_KEEP_TRACK_OF.contains(block)) {
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String name = blockToString(block);
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specialBlocks.computeIfAbsent(name, b -> new ArrayList<>()).add(new BlockPos(x, y, z));
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}
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2018-08-23 19:54:12 +00:00
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}
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2018-08-05 04:36:59 +00:00
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}
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}
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}
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2018-09-04 22:18:51 +00:00
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/*if (!bitSet.equals(originalPacker(chunk))) {
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throw new IllegalStateException();
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}*/
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2018-08-05 04:36:59 +00:00
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} catch (Exception e) {
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e.printStackTrace();
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}
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2018-08-23 19:54:12 +00:00
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//System.out.println("Packed special blocks: " + specialBlocks);
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2018-08-29 23:22:57 +00:00
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long end = System.nanoTime() / 1000000L;
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2018-08-21 22:18:35 +00:00
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//System.out.println("Chunk packing took " + (end - start) + "ms for " + chunk.x + "," + chunk.z);
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2018-08-22 17:03:02 +00:00
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String[] blockNames = new String[256];
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2018-08-22 18:41:31 +00:00
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for (int z = 0; z < 16; z++) {
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2018-09-16 21:46:41 +00:00
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https://www.ibm.com/developerworks/library/j-perry-writing-good-java-code/index.html
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2018-08-22 18:41:31 +00:00
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for (int x = 0; x < 16; x++) {
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2018-08-28 20:58:36 +00:00
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for (int y = 255; y >= 0; y--) {
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int index = CachedChunk.getPositionIndex(x, y, z);
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2018-08-28 21:15:20 +00:00
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if (bitSet.get(index) || bitSet.get(index + 1)) {
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2018-08-28 20:58:36 +00:00
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String name = blockToString(chunk.getBlockState(x, y, z).getBlock());
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blockNames[z << 4 | x] = name;
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2018-09-16 21:46:41 +00:00
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continue https;
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2018-08-22 17:03:02 +00:00
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}
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}
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2018-08-28 20:58:36 +00:00
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blockNames[z << 4 | x] = "air";
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2018-08-22 17:03:02 +00:00
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}
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}
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2018-09-12 22:12:06 +00:00
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return new CachedChunk(chunk.x, chunk.z, bitSet, blockNames, specialBlocks);
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2018-08-23 19:54:12 +00:00
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}
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public static String blockToString(Block block) {
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ResourceLocation loc = Block.REGISTRY.getNameForObject(block);
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String name = loc.getPath(); // normally, only write the part after the minecraft:
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if (!loc.getNamespace().equals("minecraft")) {
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// Baritone is running on top of forge with mods installed, perhaps?
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name = loc.toString(); // include the namespace with the colon
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}
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return name;
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}
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public static Block stringToBlock(String name) {
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if (!name.contains(":")) {
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name = "minecraft:" + name;
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}
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return Block.getBlockFromName(name);
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2018-08-22 17:03:02 +00:00
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}
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2018-09-03 16:15:18 +00:00
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private static PathingBlockType getPathingBlockType(IBlockState state) {
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Block block = state.getBlock();
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2018-08-28 19:23:54 +00:00
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if (block.equals(Blocks.WATER)) {
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// only water source blocks are plausibly usable, flowing water should be avoid
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2018-08-05 04:36:59 +00:00
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return PathingBlockType.WATER;
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}
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2018-09-12 01:33:03 +00:00
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if (MovementHelper.avoidWalkingInto(block) || block == Blocks.FLOWING_WATER || MovementHelper.isBottomSlab(state)) {
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2018-08-05 04:36:59 +00:00
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return PathingBlockType.AVOID;
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}
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2018-08-22 18:41:31 +00:00
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// We used to do an AABB check here
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// however, this failed in the nether when you were near a nether fortress
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// because fences check their adjacent blocks in the world for their fence connection status to determine AABB shape
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// this caused a nullpointerexception when we saved chunks on unload, because they were unable to check their neighbors
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2018-09-02 21:10:27 +00:00
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if (block == Blocks.AIR || block instanceof BlockTallGrass || block instanceof BlockDoublePlant || block instanceof BlockFlower) {
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2018-08-05 04:36:59 +00:00
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return PathingBlockType.AIR;
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}
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return PathingBlockType.SOLID;
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}
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2018-08-22 19:04:44 +00:00
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static IBlockState pathingTypeToBlock(PathingBlockType type) {
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if (type != null) {
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switch (type) {
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case AIR:
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return Blocks.AIR.getDefaultState();
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case WATER:
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return Blocks.WATER.getDefaultState();
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case AVOID:
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return Blocks.LAVA.getDefaultState();
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case SOLID:
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2018-08-25 19:22:39 +00:00
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// Dimension solid types
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switch (mc.player.dimension) {
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case -1:
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return Blocks.NETHERRACK.getDefaultState();
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case 0:
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return Blocks.STONE.getDefaultState();
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case 1:
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return Blocks.END_STONE.getDefaultState();
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}
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// The fallback solid type
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return Blocks.STONE.getDefaultState();
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2018-08-22 19:04:44 +00:00
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}
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}
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return null;
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}
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2018-08-05 04:36:59 +00:00
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}
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