Leijurv
127 lines
4.8 KiB
Java
127 lines
4.8 KiB
Java
/*
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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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* Baritone is distributed in the hope that it will be useful,
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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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package baritone.chunk;
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import baritone.pathing.movement.MovementHelper;
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import baritone.utils.BlockStateInterface;
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import baritone.utils.Helper;
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import baritone.utils.pathing.PathingBlockType;
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import net.minecraft.block.Block;
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import net.minecraft.block.BlockAir;
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import net.minecraft.block.BlockDoublePlant;
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import net.minecraft.block.BlockTallGrass;
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import net.minecraft.block.state.IBlockState;
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import net.minecraft.init.Blocks;
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import net.minecraft.util.ResourceLocation;
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import net.minecraft.world.chunk.Chunk;
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import java.util.BitSet;
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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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public static BitSet createPackedChunk(Chunk chunk) {
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long start = System.currentTimeMillis();
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BitSet bitSet = new BitSet(CachedChunk.SIZE);
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try {
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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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boolean[] bits = getPathingBlockType(chunk.getBlockState(x, y, z).getBlock()).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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} catch (Exception e) {
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e.printStackTrace();
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}
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long end = System.currentTimeMillis();
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//System.out.println("Chunk packing took " + (end - start) + "ms for " + chunk.x + "," + chunk.z);
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return bitSet;
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}
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public static String[] createPackedOverview(Chunk chunk) {
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long start = System.currentTimeMillis();
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String[] blockNames = new String[256];
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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 height = chunk.getHeightValue(x, z);
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IBlockState blockState = chunk.getBlockState(x, height, z);
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for (int y = height; y > 0; y--) {
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blockState = chunk.getBlockState(x, y, z);
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if (getPathingBlockType(blockState.getBlock()) != PathingBlockType.AIR) {
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break;
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}
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}
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ResourceLocation loc = Block.REGISTRY.getNameForObject(blockState.getBlock());
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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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blockNames[z << 4 | x] = name;
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}
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}
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long end = System.currentTimeMillis();
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return blockNames;
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}
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private static PathingBlockType getPathingBlockType(Block block) {
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if (BlockStateInterface.isWater(block)) {
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return PathingBlockType.WATER;
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}
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if (MovementHelper.avoidWalkingInto(block)) {
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return PathingBlockType.AVOID;
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}
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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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if (block instanceof BlockAir || block instanceof BlockTallGrass || block instanceof BlockDoublePlant) {
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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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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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return Blocks.OBSIDIAN.getDefaultState();
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}
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}
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return null;
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}
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}
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