package net.citizensnpcs.nms.v1_19_R2.util;

import java.util.EnumSet;

import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
import it.unimi.dsi.fastutil.objects.Object2BooleanMap;
import it.unimi.dsi.fastutil.objects.Object2BooleanOpenHashMap;
import net.citizensnpcs.nms.v1_19_R2.entity.EntityHumanNPC;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.tags.BlockTags;
import net.minecraft.tags.FluidTags;
import net.minecraft.util.Mth;
import net.minecraft.world.entity.Mob;
import net.minecraft.world.level.BlockGetter;
import net.minecraft.world.level.PathNavigationRegion;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.CampfireBlock;
import net.minecraft.world.level.block.DoorBlock;
import net.minecraft.world.level.block.FenceGateBlock;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.properties.Property;
import net.minecraft.world.level.material.FluidState;
import net.minecraft.world.level.material.Fluids;
import net.minecraft.world.level.material.Material;
import net.minecraft.world.level.pathfinder.BlockPathTypes;
import net.minecraft.world.level.pathfinder.Node;
import net.minecraft.world.level.pathfinder.PathComputationType;
import net.minecraft.world.level.pathfinder.Target;
import net.minecraft.world.phys.AABB;
import net.minecraft.world.phys.Vec3;
import net.minecraft.world.phys.shapes.VoxelShape;

public class PlayerNodeEvaluator extends PlayerNodeEvaluatorBase {
    private final Long2ObjectMap<BlockPathTypes> l = new Long2ObjectOpenHashMap<BlockPathTypes>();
    private final Object2BooleanMap<AABB> m = new Object2BooleanOpenHashMap<AABB>();
    protected float oldWaterCost;

    private boolean canReachWithoutCollision(Node var0) {
        Vec3 var1 = new Vec3(var0.x - this.mob.getX(), var0.y - this.mob.getY(), var0.z - this.mob.getZ());
        AABB var2 = this.mob.getBoundingBox();
        int var3 = Mth.ceil(var1.length() / var2.getSize());
        var1 = var1.scale((1.0F / var3));
        for (int var4 = 1; var4 <= var3; var4++) {
            var2 = var2.move(var1);
            if (hasCollisions(var2))
                return false;
        }
        return true;
    }

    @Override
    public void done() {
        this.mob.setPathfindingMalus(BlockPathTypes.WATER, this.oldWaterCost);
        this.l.clear();
        this.m.clear();
        super.done();
    }

    protected BlockPathTypes evaluateBlockPathType(BlockGetter var0, boolean var1, boolean var2, BlockPos var3,
            BlockPathTypes var4) {
        if (var4 == BlockPathTypes.DOOR_WOOD_CLOSED && var1 && var2)
            var4 = BlockPathTypes.WALKABLE_DOOR;
        if (var4 == BlockPathTypes.DOOR_OPEN && !var2)
            var4 = BlockPathTypes.BLOCKED;
        if (var4 == BlockPathTypes.RAIL
                && !(var0.getBlockState(var3).getBlock() instanceof net.minecraft.world.level.block.BaseRailBlock)
                && !(var0.getBlockState(var3.below())
                        .getBlock() instanceof net.minecraft.world.level.block.BaseRailBlock))
            var4 = BlockPathTypes.UNPASSABLE_RAIL;
        if (var4 == BlockPathTypes.LEAVES)
            var4 = BlockPathTypes.BLOCKED;
        return var4;
    }

    protected Node findAcceptedNode(int var0, int var1, int var2, int var3, double var4, Direction var6,
            BlockPathTypes var7) {
        Node var8 = null;
        BlockPos.MutableBlockPos var9 = new BlockPos.MutableBlockPos();
        double var10 = getFloorLevel(var9.set(var0, var1, var2));
        if (var10 - var4 > 1.125D)
            return null;
        BlockPathTypes var12 = getCachedBlockType(this.mob, var0, var1, var2);
        float var13 = this.mob.getPathfindingMalus(var12);
        double var14 = this.mob.getBbWidth() / 2.0D;
        if (var13 >= 0.0F) {
            var8 = getNode(var0, var1, var2);
            var8.type = var12;
            var8.costMalus = Math.max(var8.costMalus, var13);
        }
        if (var7 == BlockPathTypes.FENCE && var8 != null && var8.costMalus >= 0.0F && !canReachWithoutCollision(var8))
            var8 = null;
        if (var12 == BlockPathTypes.WALKABLE || (isAmphibious() && var12 == BlockPathTypes.WATER))
            return var8;
        if ((var8 == null || var8.costMalus < 0.0F) && var3 > 0 && var12 != BlockPathTypes.FENCE
                && var12 != BlockPathTypes.UNPASSABLE_RAIL && var12 != BlockPathTypes.TRAPDOOR
                && var12 != BlockPathTypes.POWDER_SNOW) {
            var8 = findAcceptedNode(var0, var1 + 1, var2, var3 - 1, var4, var6, var7);
            if (var8 != null && (var8.type == BlockPathTypes.OPEN || var8.type == BlockPathTypes.WALKABLE)
                    && this.mob.getBbWidth() < 1.0F) {
                double var16 = (var0 - var6.getStepX()) + 0.5D;
                double var18 = (var2 - var6.getStepZ()) + 0.5D;
                AABB var20 = new AABB(var16 - var14,
                        getFloorLevel(this.level, var9.set(var16, (var1 + 1), var18)) + 0.001D, var18 - var14,
                        var16 + var14,
                        this.mob.getBbHeight() + getFloorLevel(this.level, var9.set(var8.x, var8.y, var8.z)) - 0.002D,
                        var18 + var14);
                if (hasCollisions(var20))
                    var8 = null;
            }
        }
        if (!isAmphibious() && var12 == BlockPathTypes.WATER && !canFloat()) {
            if (getCachedBlockType(this.mob, var0, var1 - 1, var2) != BlockPathTypes.WATER)
                return var8;
            while (var1 > this.mob.level.getMinBuildHeight()) {
                var1--;
                var12 = getCachedBlockType(this.mob, var0, var1, var2);
                if (var12 == BlockPathTypes.WATER) {
                    var8 = getNode(var0, var1, var2);
                    var8.type = var12;
                    var8.costMalus = Math.max(var8.costMalus, this.mob.getPathfindingMalus(var12));
                    continue;
                }
                return var8;
            }
        }
        if (var12 == BlockPathTypes.OPEN) {
            int var16 = 0;
            int var17 = var1;
            while (var12 == BlockPathTypes.OPEN) {
                var1--;
                if (var1 < this.mob.level.getMinBuildHeight()) {
                    Node var18 = getNode(var0, var17, var2);
                    var18.type = BlockPathTypes.BLOCKED;
                    var18.costMalus = -1.0F;
                    return var18;
                }
                if (var16++ >= this.mob.getMaxFallDistance()) {
                    Node var18 = getNode(var0, var1, var2);
                    var18.type = BlockPathTypes.BLOCKED;
                    var18.costMalus = -1.0F;
                    return var18;
                }
                var12 = getCachedBlockType(this.mob, var0, var1, var2);
                var13 = this.mob.getPathfindingMalus(var12);
                if (var12 != BlockPathTypes.OPEN && var13 >= 0.0F) {
                    var8 = getNode(var0, var1, var2);
                    var8.type = var12;
                    var8.costMalus = Math.max(var8.costMalus, var13);
                    break;
                }
                if (var13 < 0.0F) {
                    Node var18 = getNode(var0, var1, var2);
                    var18.type = BlockPathTypes.BLOCKED;
                    var18.costMalus = -1.0F;
                    return var18;
                }
            }
        }
        if (var12 == BlockPathTypes.FENCE) {
            var8 = getNode(var0, var1, var2);
            var8.closed = true;
            var8.type = var12;
            var8.costMalus = var12.getMalus();
        }
        return var8;
    }

    @Override
    public BlockPathTypes getBlockPathType(BlockGetter var0, int var1, int var2, int var3) {
        return getBlockPathTypeStatic(var0, new BlockPos.MutableBlockPos(var1, var2, var3));
    }

    public BlockPathTypes getBlockPathType(BlockGetter var0, int var1, int var2, int var3, EntityHumanNPC var4,
            int var5, int var6, int var7, boolean var8, boolean var9) {
        EnumSet<BlockPathTypes> var10 = EnumSet.noneOf(BlockPathTypes.class);
        BlockPathTypes var11 = BlockPathTypes.BLOCKED;
        BlockPos var12 = var4.blockPosition();
        var11 = getBlockPathTypes(var0, var1, var2, var3, var5, var6, var7, var8, var9, var10, var11, var12);
        if (var10.contains(BlockPathTypes.FENCE))
            return BlockPathTypes.FENCE;
        if (var10.contains(BlockPathTypes.UNPASSABLE_RAIL))
            return BlockPathTypes.UNPASSABLE_RAIL;
        BlockPathTypes var13 = BlockPathTypes.BLOCKED;
        for (BlockPathTypes var15 : var10) {
            if (var4.getPathfindingMalus(var15) < 0.0F)
                return var15;
            if (var4.getPathfindingMalus(var15) >= var4.getPathfindingMalus(var13))
                var13 = var15;
        }
        if (var11 == BlockPathTypes.OPEN && var4.getPathfindingMalus(var13) == 0.0F && var5 <= 1)
            return BlockPathTypes.OPEN;
        return var13;
    }

    @Override
    public BlockPathTypes getBlockPathType(BlockGetter var0, int var1, int var2, int var3, Mob var4, int var5, int var6,
            int var7, boolean var8, boolean var9) {
        EnumSet<BlockPathTypes> var10 = EnumSet.noneOf(BlockPathTypes.class);
        BlockPathTypes var11 = BlockPathTypes.BLOCKED;
        BlockPos var12 = var4.blockPosition();
        var11 = getBlockPathTypes(var0, var1, var2, var3, var5, var6, var7, var8, var9, var10, var11, var12);
        if (var10.contains(BlockPathTypes.FENCE))
            return BlockPathTypes.FENCE;
        if (var10.contains(BlockPathTypes.UNPASSABLE_RAIL))
            return BlockPathTypes.UNPASSABLE_RAIL;
        BlockPathTypes var13 = BlockPathTypes.BLOCKED;
        for (BlockPathTypes var15 : var10) {
            if (var4.getPathfindingMalus(var15) < 0.0F)
                return var15;
            if (var4.getPathfindingMalus(var15) >= var4.getPathfindingMalus(var13))
                var13 = var15;
        }
        if (var11 == BlockPathTypes.OPEN && var4.getPathfindingMalus(var13) == 0.0F && var5 <= 1)
            return BlockPathTypes.OPEN;
        return var13;
    }

    private BlockPathTypes getBlockPathType(EntityHumanNPC var0, BlockPos var1) {
        return getCachedBlockType(var0, var1.getX(), var1.getY(), var1.getZ());
    }

    public BlockPathTypes getBlockPathTypee(BlockGetter var0, int var1, int var2, int var3, EntityHumanNPC var4,
            int var5, int var6, int var7, boolean var8, boolean var9) {
        EnumSet<BlockPathTypes> var10 = EnumSet.noneOf(BlockPathTypes.class);
        BlockPathTypes var11 = BlockPathTypes.BLOCKED;
        BlockPos var12 = var4.blockPosition();
        var11 = getBlockPathTypes(var0, var1, var2, var3, var5, var6, var7, var8, var9, var10, var11, var12);
        if (var10.contains(BlockPathTypes.FENCE))
            return BlockPathTypes.FENCE;
        if (var10.contains(BlockPathTypes.UNPASSABLE_RAIL))
            return BlockPathTypes.UNPASSABLE_RAIL;
        BlockPathTypes var13 = BlockPathTypes.BLOCKED;
        for (BlockPathTypes var15 : var10) {
            if (var4.getPathfindingMalus(var15) < 0.0F)
                return var15;
            if (var4.getPathfindingMalus(var15) >= var4.getPathfindingMalus(var13))
                var13 = var15;
        }
        if (var11 == BlockPathTypes.OPEN && var4.getPathfindingMalus(var13) == 0.0F && var5 <= 1)
            return BlockPathTypes.OPEN;
        return var13;
    }

    public BlockPathTypes getBlockPathTypes(BlockGetter var0, int var1, int var2, int var3, int var4, int var5,
            int var6, boolean var7, boolean var8, EnumSet<BlockPathTypes> var9, BlockPathTypes var10, BlockPos var11) {
        for (int var12 = 0; var12 < var4; var12++) {
            for (int var13 = 0; var13 < var5; var13++) {
                for (int var14 = 0; var14 < var6; var14++) {
                    int var15 = var12 + var1;
                    int var16 = var13 + var2;
                    int var17 = var14 + var3;
                    BlockPathTypes var18 = getBlockPathType(var0, var15, var16, var17);
                    var18 = evaluateBlockPathType(var0, var7, var8, var11, var18);
                    if (var12 == 0 && var13 == 0 && var14 == 0)
                        var10 = var18;
                    var9.add(var18);
                }
            }
        }
        return var10;
    }

    protected BlockPathTypes getCachedBlockType(EntityHumanNPC var0, int var1, int var2, int var3) {
        return this.l.computeIfAbsent(BlockPos.asLong(var1, var2, var3),
                var4 -> getBlockPathType(this.level, var1, var2, var3, var0, this.entityWidth, this.entityHeight,
                        this.entityDepth, canOpenDoors(), canPassDoors()));
    }

    protected BlockPathTypes getCachedBlockType(Mob var0, int var1, int var2, int var3) {
        return this.l.computeIfAbsent(BlockPos.asLong(var1, var2, var3),
                var4 -> getBlockPathType(this.level, var1, var2, var3, var0, this.entityWidth, this.entityHeight,
                        this.entityDepth, canOpenDoors(), canPassDoors()));
    }

    protected double getFloorLevel(BlockPos var0) {
        return getFloorLevel(this.level, var0);
    }

    @Override
    public Target getGoal(double var0, double var2, double var4) {
        return new Target(getNode(Mth.floor(var0), Mth.floor(var2), Mth.floor(var4)));
    }

    @Override
    public int getNeighbors(Node[] var0, Node var1) {
        int var2 = 0;
        int var3 = 0;
        BlockPathTypes var4 = getCachedBlockType(this.mob, var1.x, var1.y + 1, var1.z);
        BlockPathTypes var5 = getCachedBlockType(this.mob, var1.x, var1.y, var1.z);
        if (this.mob.getPathfindingMalus(var4) >= 0.0F && var5 != BlockPathTypes.STICKY_HONEY)
            var3 = Mth.floor(Math.max(1.0F, this.mob.maxUpStep));
        double var6 = getFloorLevel(new BlockPos(var1.x, var1.y, var1.z));
        Node var8 = findAcceptedNode(var1.x, var1.y, var1.z + 1, var3, var6, Direction.SOUTH, var5);
        if (isNeighborValid(var8, var1))
            var0[var2++] = var8;
        Node var9 = findAcceptedNode(var1.x - 1, var1.y, var1.z, var3, var6, Direction.WEST, var5);
        if (isNeighborValid(var9, var1))
            var0[var2++] = var9;
        Node var10 = findAcceptedNode(var1.x + 1, var1.y, var1.z, var3, var6, Direction.EAST, var5);
        if (isNeighborValid(var10, var1))
            var0[var2++] = var10;
        Node var11 = findAcceptedNode(var1.x, var1.y, var1.z - 1, var3, var6, Direction.NORTH, var5);
        if (isNeighborValid(var11, var1))
            var0[var2++] = var11;
        Node var12 = findAcceptedNode(var1.x - 1, var1.y, var1.z - 1, var3, var6, Direction.NORTH, var5);
        if (isDiagonalValid(var1, var9, var11, var12))
            var0[var2++] = var12;
        Node var13 = findAcceptedNode(var1.x + 1, var1.y, var1.z - 1, var3, var6, Direction.NORTH, var5);
        if (isDiagonalValid(var1, var10, var11, var13))
            var0[var2++] = var13;
        Node var14 = findAcceptedNode(var1.x - 1, var1.y, var1.z + 1, var3, var6, Direction.SOUTH, var5);
        if (isDiagonalValid(var1, var9, var8, var14))
            var0[var2++] = var14;
        Node var15 = findAcceptedNode(var1.x + 1, var1.y, var1.z + 1, var3, var6, Direction.SOUTH, var5);
        if (isDiagonalValid(var1, var10, var8, var15))
            var0[var2++] = var15;
        return var2;
    }

    @Override
    public Node getStart() {
        BlockPos.MutableBlockPos var1 = new BlockPos.MutableBlockPos();
        int var0 = this.mob.getBlockY();
        BlockState var2 = this.level.getBlockState(var1.set(this.mob.getX(), var0, this.mob.getZ()));
        if (this.mob.canStandOnFluid(var2.getFluidState())) {
            while (this.mob.canStandOnFluid(var2.getFluidState())) {
                var0++;
                var2 = this.level.getBlockState(var1.set(this.mob.getX(), var0, this.mob.getZ()));
            }
            var0--;
        } else if (canFloat() && this.mob.isInWater()) {
            while (var2.is(Blocks.WATER) || var2.getFluidState() == Fluids.WATER.getSource(false)) {
                var0++;
                var2 = this.level.getBlockState(var1.set(this.mob.getX(), var0, this.mob.getZ()));
            }
            var0--;
        } else if (this.mob.isOnGround()) {
            var0 = Mth.floor(this.mob.getY() + 0.5D);
        } else {
            BlockPos blockPos = this.mob.blockPosition();
            while ((this.level.getBlockState(blockPos).isAir() || this.level.getBlockState(blockPos)
                    .isPathfindable(this.level, blockPos, PathComputationType.LAND))
                    && blockPos.getY() > this.mob.level.getMinBuildHeight())
                blockPos = blockPos.below();
            var0 = blockPos.above().getY();
        }
        BlockPos var3 = this.mob.blockPosition();
        BlockPathTypes var4 = getCachedBlockType(this.mob, var3.getX(), var0, var3.getZ());
        if (this.mob.getPathfindingMalus(var4) < 0.0F) {
            AABB aABB = this.mob.getBoundingBox();
            if (hasPositiveMalus(var1.set(aABB.minX, var0, aABB.minZ))
                    || hasPositiveMalus(var1.set(aABB.minX, var0, aABB.maxZ))
                    || hasPositiveMalus(var1.set(aABB.maxX, var0, aABB.minZ))
                    || hasPositiveMalus(var1.set(aABB.maxX, var0, aABB.maxZ))) {
                Node var6 = getNode(var1);
                var6.type = getBlockPathType(this.mob, var6.asBlockPos());
                var6.costMalus = this.mob.getPathfindingMalus(var6.type);
                return var6;
            }
        }
        Node var5 = getNode(var3.getX(), var0, var3.getZ());
        var5.type = getBlockPathType(this.mob, var5.asBlockPos());
        var5.costMalus = this.mob.getPathfindingMalus(var5.type);
        return var5;
    }

    private boolean hasCollisions(AABB var0) {
        return this.m.computeIfAbsent(var0, var1 -> !this.level.noCollision(this.mob, var0));
    }

    private boolean hasPositiveMalus(BlockPos var0) {
        BlockPathTypes var1 = getBlockPathType(this.mob, var0);
        return (this.mob.getPathfindingMalus(var1) >= 0.0F);
    }

    protected boolean isAmphibious() {
        return false;
    }

    protected boolean isDiagonalValid(Node var0, Node var1, Node var2, Node var3) {
        if (var3 == null || var2 == null || var1 == null || var3.closed)
            return false;
        if (var2.y > var0.y || var1.y > var0.y)
            return false;
        if (var1.type == BlockPathTypes.WALKABLE_DOOR || var2.type == BlockPathTypes.WALKABLE_DOOR
                || var3.type == BlockPathTypes.WALKABLE_DOOR)
            return false;
        boolean var4 = (var2.type == BlockPathTypes.FENCE && var1.type == BlockPathTypes.FENCE
                && this.mob.getBbWidth() < 0.5D);
        return (var3.costMalus >= 0.0F && (var2.y < var0.y || var2.costMalus >= 0.0F || var4)
                && (var1.y < var0.y || var1.costMalus >= 0.0F || var4));
    }

    protected boolean isNeighborValid(Node var0, Node var1) {
        return (var0 != null && !var0.closed && (var0.costMalus >= 0.0F || var1.costMalus < 0.0F));
    }

    @Override
    public void prepare(PathNavigationRegion var0, Mob var1) {
        super.prepare(var0, var1);
        this.oldWaterCost = var1.getPathfindingMalus(BlockPathTypes.WATER);
    }

    public static BlockPathTypes checkNeighbourBlocks(BlockGetter var0, BlockPos.MutableBlockPos var1,
            BlockPathTypes var2) {
        int var3 = var1.getX();
        int var4 = var1.getY();
        int var5 = var1.getZ();
        for (int var6 = -1; var6 <= 1; var6++) {
            for (int var7 = -1; var7 <= 1; var7++) {
                for (int var8 = -1; var8 <= 1; var8++) {
                    if (var6 != 0 || var8 != 0) {
                        var1.set(var3 + var6, var4 + var7, var5 + var8);
                        BlockState var9 = var0.getBlockState(var1);
                        if (var9.is(Blocks.CACTUS))
                            return BlockPathTypes.DANGER_CACTUS;
                        if (var9.is(Blocks.SWEET_BERRY_BUSH))
                            return BlockPathTypes.DANGER_OTHER;
                        if (isBurningBlock(var9))
                            return BlockPathTypes.DANGER_FIRE;
                        if (var0.getFluidState(var1).is(FluidTags.WATER))
                            return BlockPathTypes.WATER_BORDER;
                    }
                }
            }
        }
        return var2;
    }

    protected static BlockPathTypes getBlockPathTypeRaw(BlockGetter var0, BlockPos var1) {
        BlockState var2 = var0.getBlockState(var1);
        Block var3 = var2.getBlock();
        Material var4 = var2.getMaterial();
        if (var2.isAir())
            return BlockPathTypes.OPEN;
        if (var2.is(BlockTags.TRAPDOORS) || var2.is(Blocks.LILY_PAD) || var2.is(Blocks.BIG_DRIPLEAF))
            return BlockPathTypes.TRAPDOOR;
        if (var2.is(Blocks.POWDER_SNOW))
            return BlockPathTypes.POWDER_SNOW;
        if (var2.is(Blocks.CACTUS))
            return BlockPathTypes.DAMAGE_CACTUS;
        if (var2.is(Blocks.SWEET_BERRY_BUSH))
            return BlockPathTypes.DAMAGE_OTHER;
        if (var2.is(Blocks.HONEY_BLOCK))
            return BlockPathTypes.STICKY_HONEY;
        if (var2.is(Blocks.COCOA))
            return BlockPathTypes.COCOA;
        FluidState var5 = var0.getFluidState(var1);
        if (var5.is(FluidTags.LAVA))
            return BlockPathTypes.LAVA;
        if (isBurningBlock(var2))
            return BlockPathTypes.DAMAGE_FIRE;
        if (DoorBlock.isWoodenDoor(var2) && !((Boolean) var2.getValue((Property<?>) DoorBlock.OPEN)).booleanValue())
            return BlockPathTypes.DOOR_WOOD_CLOSED;
        if (var3 instanceof DoorBlock && var4 == Material.METAL
                && !((Boolean) var2.getValue((Property<?>) DoorBlock.OPEN)).booleanValue())
            return BlockPathTypes.DOOR_IRON_CLOSED;
        if (var3 instanceof DoorBlock && ((Boolean) var2.getValue((Property<?>) DoorBlock.OPEN)).booleanValue())
            return BlockPathTypes.DOOR_OPEN;
        if (var3 instanceof net.minecraft.world.level.block.BaseRailBlock)
            return BlockPathTypes.RAIL;
        if (var3 instanceof net.minecraft.world.level.block.LeavesBlock)
            return BlockPathTypes.LEAVES;
        if (var2.is(BlockTags.FENCES) || var2.is(BlockTags.WALLS) || (var3 instanceof FenceGateBlock
                && !((Boolean) var2.getValue((Property<?>) FenceGateBlock.OPEN)).booleanValue()))
            return BlockPathTypes.FENCE;
        if (!var2.isPathfindable(var0, var1, PathComputationType.LAND))
            return BlockPathTypes.BLOCKED;
        if (var5.is(FluidTags.WATER))
            return BlockPathTypes.WATER;
        return BlockPathTypes.OPEN;
    }

    public static BlockPathTypes getBlockPathTypeStatic(BlockGetter var0, BlockPos.MutableBlockPos var1) {
        int var2 = var1.getX();
        int var3 = var1.getY();
        int var4 = var1.getZ();
        BlockPathTypes var5 = getBlockPathTypeRaw(var0, var1);
        if (var5 == BlockPathTypes.OPEN && var3 >= var0.getMinBuildHeight() + 1) {
            BlockPathTypes var6 = getBlockPathTypeRaw(var0, var1.set(var2, var3 - 1, var4));
            var5 = (var6 == BlockPathTypes.WALKABLE || var6 == BlockPathTypes.OPEN || var6 == BlockPathTypes.WATER
                    || var6 == BlockPathTypes.LAVA) ? BlockPathTypes.OPEN : BlockPathTypes.WALKABLE;
            if (var6 == BlockPathTypes.DAMAGE_FIRE)
                var5 = BlockPathTypes.DAMAGE_FIRE;
            if (var6 == BlockPathTypes.DAMAGE_CACTUS)
                var5 = BlockPathTypes.DAMAGE_CACTUS;
            if (var6 == BlockPathTypes.DAMAGE_OTHER)
                var5 = BlockPathTypes.DAMAGE_OTHER;
            if (var6 == BlockPathTypes.STICKY_HONEY)
                var5 = BlockPathTypes.STICKY_HONEY;
        }
        if (var5 == BlockPathTypes.WALKABLE)
            var5 = checkNeighbourBlocks(var0, var1.set(var2, var3, var4), var5);
        return var5;
    }

    public static double getFloorLevel(BlockGetter var0, BlockPos var1) {
        BlockPos var2 = var1.below();
        VoxelShape var3 = var0.getBlockState(var2).getCollisionShape(var0, var2);
        return var2.getY() + (var3.isEmpty() ? 0.0D : var3.max(Direction.Axis.Y));
    }

    public static boolean isBurningBlock(BlockState var0) {
        return (var0.is(BlockTags.FIRE) || var0.is(Blocks.LAVA) || var0.is(Blocks.MAGMA_BLOCK)
                || CampfireBlock.isLitCampfire(var0) || var0.is(Blocks.LAVA_CAULDRON));
    }
}