152 lines
4.5 KiB
Java
152 lines
4.5 KiB
Java
package net.minecraft.entity;
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import java.util.UUID;
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import net.minecraft.entity.ai.attributes.AttributeModifier;
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import net.minecraft.entity.passive.EntityTameable;
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import net.minecraft.pathfinding.PathNodeType;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.util.math.Vec3d;
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import net.minecraft.world.World;
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public abstract class EntityCreature extends EntityLiving
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{
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public static final UUID FLEEING_SPEED_MODIFIER_UUID = UUID.fromString("E199AD21-BA8A-4C53-8D13-6182D5C69D3A");
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public static final AttributeModifier FLEEING_SPEED_MODIFIER = (new AttributeModifier(FLEEING_SPEED_MODIFIER_UUID, "Fleeing speed bonus", 2.0D, 2)).setSaved(false);
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private BlockPos homePosition = BlockPos.ORIGIN;
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/** If -1 there is no maximum distance */
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private float maximumHomeDistance = -1.0F;
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private final float restoreWaterCost = PathNodeType.WATER.getPriority();
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public EntityCreature(World worldIn)
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{
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super(worldIn);
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}
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public float getBlockPathWeight(BlockPos pos)
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{
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return 0.0F;
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}
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/**
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* Checks if the entity's current position is a valid location to spawn this entity.
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*/
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public boolean getCanSpawnHere()
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{
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return super.getCanSpawnHere() && this.getBlockPathWeight(new BlockPos(this.posX, this.getEntityBoundingBox().minY, this.posZ)) >= 0.0F;
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}
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/**
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* if the entity got a PathEntity it returns true, else false
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*/
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public boolean hasPath()
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{
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return !this.navigator.noPath();
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}
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public boolean isWithinHomeDistanceCurrentPosition()
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{
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return this.isWithinHomeDistanceFromPosition(new BlockPos(this));
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}
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public boolean isWithinHomeDistanceFromPosition(BlockPos pos)
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{
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if (this.maximumHomeDistance == -1.0F)
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{
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return true;
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}
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else
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{
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return this.homePosition.distanceSq(pos) < (double)(this.maximumHomeDistance * this.maximumHomeDistance);
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}
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}
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/**
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* Sets home position and max distance for it
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*/
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public void setHomePosAndDistance(BlockPos pos, int distance)
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{
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this.homePosition = pos;
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this.maximumHomeDistance = (float)distance;
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}
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public BlockPos getHomePosition()
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{
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return this.homePosition;
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}
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public float getMaximumHomeDistance()
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{
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return this.maximumHomeDistance;
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}
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public void detachHome()
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{
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this.maximumHomeDistance = -1.0F;
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}
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/**
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* Returns whether a home area is defined for this entity.
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*/
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public boolean hasHome()
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{
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return this.maximumHomeDistance != -1.0F;
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}
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/**
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* Applies logic related to leashes, for example dragging the entity or breaking the leash.
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*/
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protected void updateLeashedState()
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{
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super.updateLeashedState();
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if (this.getLeashed() && this.getLeashHolder() != null && this.getLeashHolder().world == this.world)
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{
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Entity entity = this.getLeashHolder();
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this.setHomePosAndDistance(new BlockPos((int)entity.posX, (int)entity.posY, (int)entity.posZ), 5);
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float f = this.getDistance(entity);
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if (this instanceof EntityTameable && ((EntityTameable)this).isSitting())
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{
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if (f > 10.0F)
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{
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this.clearLeashed(true, true);
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}
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return;
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}
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this.onLeashDistance(f);
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if (f > 10.0F)
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{
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this.clearLeashed(true, true);
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this.tasks.disableControlFlag(1);
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}
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else if (f > 6.0F)
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{
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double d0 = (entity.posX - this.posX) / (double)f;
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double d1 = (entity.posY - this.posY) / (double)f;
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double d2 = (entity.posZ - this.posZ) / (double)f;
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this.motionX += d0 * Math.abs(d0) * 0.4D;
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this.motionY += d1 * Math.abs(d1) * 0.4D;
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this.motionZ += d2 * Math.abs(d2) * 0.4D;
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}
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else
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{
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this.tasks.enableControlFlag(1);
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float f1 = 2.0F;
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Vec3d vec3d = (new Vec3d(entity.posX - this.posX, entity.posY - this.posY, entity.posZ - this.posZ)).normalize().scale((double)Math.max(f - 2.0F, 0.0F));
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this.getNavigator().tryMoveToXYZ(this.posX + vec3d.x, this.posY + vec3d.y, this.posZ + vec3d.z, this.followLeashSpeed());
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}
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}
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}
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protected double followLeashSpeed()
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{
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return 1.0D;
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}
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protected void onLeashDistance(float p_142017_1_)
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{
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}
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} |