79 lines
2.5 KiB
Java
79 lines
2.5 KiB
Java
package net.minecraft.world.entity;
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import net.minecraft.core.BlockPos;
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import net.minecraft.world.entity.ai.goal.Goal;
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import net.minecraft.world.entity.ai.goal.PanicGoal;
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import net.minecraft.world.entity.ai.goal.WrappedGoal;
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import net.minecraft.world.entity.ai.memory.MemoryModuleType;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.LevelAccessor;
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import net.minecraft.world.level.LevelReader;
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import net.minecraft.world.phys.Vec3;
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public abstract class PathfinderMob extends Mob {
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protected static final float DEFAULT_WALK_TARGET_VALUE = 0.0F;
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protected PathfinderMob(EntityType<? extends PathfinderMob> entityType, Level level) {
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super(entityType, level);
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}
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public float getWalkTargetValue(BlockPos pos) {
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return this.getWalkTargetValue(pos, this.level());
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}
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public float getWalkTargetValue(BlockPos pos, LevelReader level) {
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return 0.0F;
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}
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@Override
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public boolean checkSpawnRules(LevelAccessor level, EntitySpawnReason spawnReason) {
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return this.getWalkTargetValue(this.blockPosition(), level) >= 0.0F;
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}
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/**
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* Returns whether the entity got a {@link net.minecraft.world.level.pathfinder.Path}.
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*/
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public boolean isPathFinding() {
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return !this.getNavigation().isDone();
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}
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public boolean isPanicking() {
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if (this.brain.hasMemoryValue(MemoryModuleType.IS_PANICKING)) {
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return this.brain.getMemory(MemoryModuleType.IS_PANICKING).isPresent();
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} else {
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for (WrappedGoal wrappedGoal : this.goalSelector.getAvailableGoals()) {
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if (wrappedGoal.isRunning() && wrappedGoal.getGoal() instanceof PanicGoal) {
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return true;
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}
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}
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return false;
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}
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}
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protected boolean shouldStayCloseToLeashHolder() {
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return true;
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}
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@Override
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public void closeRangeLeashBehaviour(Entity entity) {
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super.closeRangeLeashBehaviour(entity);
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if (this.shouldStayCloseToLeashHolder() && !this.isPanicking()) {
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this.goalSelector.enableControlFlag(Goal.Flag.MOVE);
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float f = 2.0F;
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float g = this.distanceTo(entity);
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Vec3 vec3 = new Vec3(entity.getX() - this.getX(), entity.getY() - this.getY(), entity.getZ() - this.getZ()).normalize().scale(Math.max(g - 2.0F, 0.0F));
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this.getNavigation().moveTo(this.getX() + vec3.x, this.getY() + vec3.y, this.getZ() + vec3.z, this.followLeashSpeed());
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}
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}
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@Override
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public void whenLeashedTo(Entity entity) {
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this.setHomeTo(entity.blockPosition(), (int)this.leashElasticDistance() - 1);
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super.whenLeashedTo(entity);
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}
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protected double followLeashSpeed() {
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return 1.0;
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}
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}
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