base mod created
This commit is contained in:
Mohammad-Ali Minaie
@@ -0,0 +1,426 @@
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package net.minecraft.pathfinding;
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import javax.annotation.Nullable;
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import net.minecraft.block.Block;
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import net.minecraft.block.state.IBlockState;
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import net.minecraft.entity.Entity;
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import net.minecraft.entity.EntityLiving;
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import net.minecraft.entity.SharedMonsterAttributes;
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import net.minecraft.entity.ai.attributes.IAttributeInstance;
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import net.minecraft.init.Blocks;
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import net.minecraft.util.math.AxisAlignedBB;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.util.math.MathHelper;
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import net.minecraft.util.math.Vec3d;
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import net.minecraft.world.ChunkCache;
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import net.minecraft.world.World;
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public abstract class PathNavigate
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{
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protected EntityLiving entity;
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protected World world;
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/** The PathEntity being followed. */
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@Nullable
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protected Path currentPath;
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protected double speed;
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/** The number of blocks (extra) +/- in each axis that get pulled out as cache for the pathfinder's search space */
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private final IAttributeInstance pathSearchRange;
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/** Time, in number of ticks, following the current path */
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protected int totalTicks;
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/** The time when the last position check was done (to detect successful movement) */
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private int ticksAtLastPos;
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/** Coordinates of the entity's position last time a check was done (part of monitoring getting 'stuck') */
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private Vec3d lastPosCheck = Vec3d.ZERO;
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private Vec3d timeoutCachedNode = Vec3d.ZERO;
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private long timeoutTimer;
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private long lastTimeoutCheck;
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private double timeoutLimit;
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protected float maxDistanceToWaypoint = 0.5F;
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protected boolean tryUpdatePath;
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private long lastTimeUpdated;
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protected NodeProcessor nodeProcessor;
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private BlockPos targetPos;
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private final PathFinder pathFinder;
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public PathNavigate(EntityLiving entityIn, World worldIn)
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{
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this.entity = entityIn;
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this.world = worldIn;
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this.pathSearchRange = entityIn.getEntityAttribute(SharedMonsterAttributes.FOLLOW_RANGE);
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this.pathFinder = this.getPathFinder();
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}
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protected abstract PathFinder getPathFinder();
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/**
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* Sets the speed
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*/
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public void setSpeed(double speedIn)
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{
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this.speed = speedIn;
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}
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/**
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* Gets the maximum distance that the path finding will search in.
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*/
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public float getPathSearchRange()
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{
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return (float)this.pathSearchRange.getAttributeValue();
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}
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/**
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* Returns true if path can be changed by {@link net.minecraft.pathfinding.PathNavigate#onUpdateNavigation()
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* onUpdateNavigation()}
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*/
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public boolean canUpdatePathOnTimeout()
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{
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return this.tryUpdatePath;
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}
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public void updatePath()
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{
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if (this.world.getTotalWorldTime() - this.lastTimeUpdated > 20L)
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{
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if (this.targetPos != null)
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{
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this.currentPath = null;
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this.currentPath = this.getPathToPos(this.targetPos);
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this.lastTimeUpdated = this.world.getTotalWorldTime();
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this.tryUpdatePath = false;
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}
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}
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else
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{
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this.tryUpdatePath = true;
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}
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}
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/**
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* Returns the path to the given coordinates. Args : x, y, z
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*/
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@Nullable
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public final Path getPathToXYZ(double x, double y, double z)
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{
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return this.getPathToPos(new BlockPos(x, y, z));
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}
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/**
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* Returns path to given BlockPos
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*/
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@Nullable
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public Path getPathToPos(BlockPos pos)
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{
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if (!this.canNavigate())
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{
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return null;
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}
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else if (this.currentPath != null && !this.currentPath.isFinished() && pos.equals(this.targetPos))
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{
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return this.currentPath;
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}
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else
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{
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this.targetPos = pos;
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float f = this.getPathSearchRange();
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this.world.profiler.startSection("pathfind");
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BlockPos blockpos = new BlockPos(this.entity);
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int i = (int)(f + 8.0F);
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ChunkCache chunkcache = new ChunkCache(this.world, blockpos.add(-i, -i, -i), blockpos.add(i, i, i), 0);
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Path path = this.pathFinder.findPath(chunkcache, this.entity, this.targetPos, f);
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this.world.profiler.endSection();
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return path;
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}
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}
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/**
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* Returns the path to the given EntityLiving. Args : entity
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*/
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@Nullable
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public Path getPathToEntityLiving(Entity entityIn)
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{
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if (!this.canNavigate())
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{
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return null;
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}
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else
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{
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BlockPos blockpos = new BlockPos(entityIn);
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if (this.currentPath != null && !this.currentPath.isFinished() && blockpos.equals(this.targetPos))
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{
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return this.currentPath;
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}
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else
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{
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this.targetPos = blockpos;
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float f = this.getPathSearchRange();
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this.world.profiler.startSection("pathfind");
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BlockPos blockpos1 = (new BlockPos(this.entity)).up();
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int i = (int)(f + 16.0F);
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ChunkCache chunkcache = new ChunkCache(this.world, blockpos1.add(-i, -i, -i), blockpos1.add(i, i, i), 0);
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Path path = this.pathFinder.findPath(chunkcache, this.entity, entityIn, f);
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this.world.profiler.endSection();
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return path;
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}
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}
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}
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/**
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* Try to find and set a path to XYZ. Returns true if successful. Args : x, y, z, speed
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*/
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public boolean tryMoveToXYZ(double x, double y, double z, double speedIn)
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{
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return this.setPath(this.getPathToXYZ(x, y, z), speedIn);
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}
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/**
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* Try to find and set a path to EntityLiving. Returns true if successful. Args : entity, speed
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*/
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public boolean tryMoveToEntityLiving(Entity entityIn, double speedIn)
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{
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Path path = this.getPathToEntityLiving(entityIn);
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return path != null && this.setPath(path, speedIn);
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}
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/**
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* Sets a new path. If it's diferent from the old path. Checks to adjust path for sun avoiding, and stores start
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* coords. Args : path, speed
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*/
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public boolean setPath(@Nullable Path pathentityIn, double speedIn)
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{
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if (pathentityIn == null)
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{
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this.currentPath = null;
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return false;
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}
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else
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{
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if (!pathentityIn.isSamePath(this.currentPath))
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{
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this.currentPath = pathentityIn;
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}
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this.removeSunnyPath();
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if (this.currentPath.getCurrentPathLength() <= 0)
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{
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return false;
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}
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else
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{
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this.speed = speedIn;
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Vec3d vec3d = this.getEntityPosition();
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this.ticksAtLastPos = this.totalTicks;
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this.lastPosCheck = vec3d;
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return true;
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}
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}
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}
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/**
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* gets the actively used PathEntity
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*/
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@Nullable
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public Path getPath()
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{
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return this.currentPath;
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}
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public void onUpdateNavigation()
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{
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++this.totalTicks;
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if (this.tryUpdatePath)
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{
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this.updatePath();
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}
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if (!this.noPath())
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{
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if (this.canNavigate())
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{
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this.pathFollow();
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}
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else if (this.currentPath != null && this.currentPath.getCurrentPathIndex() < this.currentPath.getCurrentPathLength())
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{
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Vec3d vec3d = this.getEntityPosition();
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Vec3d vec3d1 = this.currentPath.getVectorFromIndex(this.entity, this.currentPath.getCurrentPathIndex());
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if (vec3d.y > vec3d1.y && !this.entity.onGround && MathHelper.floor(vec3d.x) == MathHelper.floor(vec3d1.x) && MathHelper.floor(vec3d.z) == MathHelper.floor(vec3d1.z))
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{
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this.currentPath.setCurrentPathIndex(this.currentPath.getCurrentPathIndex() + 1);
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}
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}
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this.debugPathFinding();
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if (!this.noPath())
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{
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Vec3d vec3d2 = this.currentPath.getPosition(this.entity);
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BlockPos blockpos = (new BlockPos(vec3d2)).down();
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AxisAlignedBB axisalignedbb = this.world.getBlockState(blockpos).getBoundingBox(this.world, blockpos);
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vec3d2 = vec3d2.subtract(0.0D, 1.0D - axisalignedbb.maxY, 0.0D);
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this.entity.getMoveHelper().setMoveTo(vec3d2.x, vec3d2.y, vec3d2.z, this.speed);
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}
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}
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}
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protected void debugPathFinding()
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{
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}
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protected void pathFollow()
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{
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Vec3d vec3d = this.getEntityPosition();
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int i = this.currentPath.getCurrentPathLength();
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for (int j = this.currentPath.getCurrentPathIndex(); j < this.currentPath.getCurrentPathLength(); ++j)
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{
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if ((double)this.currentPath.getPathPointFromIndex(j).y != Math.floor(vec3d.y))
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{
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i = j;
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break;
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}
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}
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this.maxDistanceToWaypoint = this.entity.width > 0.75F ? this.entity.width / 2.0F : 0.75F - this.entity.width / 2.0F;
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Vec3d vec3d1 = this.currentPath.getCurrentPos();
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if (MathHelper.abs((float)(this.entity.posX - (vec3d1.x + 0.5D))) < this.maxDistanceToWaypoint && MathHelper.abs((float)(this.entity.posZ - (vec3d1.z + 0.5D))) < this.maxDistanceToWaypoint && Math.abs(this.entity.posY - vec3d1.y) < 1.0D)
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{
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this.currentPath.setCurrentPathIndex(this.currentPath.getCurrentPathIndex() + 1);
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}
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int k = MathHelper.ceil(this.entity.width);
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int l = MathHelper.ceil(this.entity.height);
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int i1 = k;
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for (int j1 = i - 1; j1 >= this.currentPath.getCurrentPathIndex(); --j1)
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{
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if (this.isDirectPathBetweenPoints(vec3d, this.currentPath.getVectorFromIndex(this.entity, j1), k, l, i1))
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{
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this.currentPath.setCurrentPathIndex(j1);
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break;
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}
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}
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this.checkForStuck(vec3d);
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}
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/**
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* Checks if entity haven't been moved when last checked and if so, clears current {@link
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* net.minecraft.pathfinding.PathEntity}
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*/
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protected void checkForStuck(Vec3d positionVec3)
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{
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if (this.totalTicks - this.ticksAtLastPos > 100)
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{
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if (positionVec3.squareDistanceTo(this.lastPosCheck) < 2.25D)
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{
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this.clearPath();
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}
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this.ticksAtLastPos = this.totalTicks;
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this.lastPosCheck = positionVec3;
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}
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if (this.currentPath != null && !this.currentPath.isFinished())
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{
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Vec3d vec3d = this.currentPath.getCurrentPos();
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if (vec3d.equals(this.timeoutCachedNode))
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{
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this.timeoutTimer += System.currentTimeMillis() - this.lastTimeoutCheck;
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}
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else
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{
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this.timeoutCachedNode = vec3d;
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double d0 = positionVec3.distanceTo(this.timeoutCachedNode);
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this.timeoutLimit = this.entity.getAIMoveSpeed() > 0.0F ? d0 / (double)this.entity.getAIMoveSpeed() * 1000.0D : 0.0D;
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}
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if (this.timeoutLimit > 0.0D && (double)this.timeoutTimer > this.timeoutLimit * 3.0D)
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{
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this.timeoutCachedNode = Vec3d.ZERO;
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this.timeoutTimer = 0L;
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this.timeoutLimit = 0.0D;
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this.clearPath();
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}
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this.lastTimeoutCheck = System.currentTimeMillis();
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}
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}
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/**
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* If null path or reached the end
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*/
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public boolean noPath()
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{
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return this.currentPath == null || this.currentPath.isFinished();
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}
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/**
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* sets active PathEntity to null
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*/
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public void clearPath()
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{
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this.currentPath = null;
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}
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protected abstract Vec3d getEntityPosition();
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/**
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* If on ground or swimming and can swim
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*/
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protected abstract boolean canNavigate();
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/**
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* Returns true if the entity is in water or lava, false otherwise
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*/
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protected boolean isInLiquid()
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{
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return this.entity.isInWater() || this.entity.isInLava();
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}
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/**
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* Trims path data from the end to the first sun covered block
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*/
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protected void removeSunnyPath()
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{
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if (this.currentPath != null)
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{
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for (int i = 0; i < this.currentPath.getCurrentPathLength(); ++i)
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{
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PathPoint pathpoint = this.currentPath.getPathPointFromIndex(i);
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PathPoint pathpoint1 = i + 1 < this.currentPath.getCurrentPathLength() ? this.currentPath.getPathPointFromIndex(i + 1) : null;
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IBlockState iblockstate = this.world.getBlockState(new BlockPos(pathpoint.x, pathpoint.y, pathpoint.z));
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Block block = iblockstate.getBlock();
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if (block == Blocks.CAULDRON)
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{
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this.currentPath.setPoint(i, pathpoint.cloneMove(pathpoint.x, pathpoint.y + 1, pathpoint.z));
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if (pathpoint1 != null && pathpoint.y >= pathpoint1.y)
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{
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this.currentPath.setPoint(i + 1, pathpoint1.cloneMove(pathpoint1.x, pathpoint.y + 1, pathpoint1.z));
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}
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}
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}
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}
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}
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/**
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* Checks if the specified entity can safely walk to the specified location.
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*/
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protected abstract boolean isDirectPathBetweenPoints(Vec3d posVec31, Vec3d posVec32, int sizeX, int sizeY, int sizeZ);
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public boolean canEntityStandOnPos(BlockPos pos)
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{
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return this.world.getBlockState(pos.down()).isFullBlock();
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}
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public NodeProcessor getNodeProcessor()
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{
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return this.nodeProcessor;
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}
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}
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Reference in New Issue
Block a user