234 lines
9.3 KiB
Java
234 lines
9.3 KiB
Java
package net.minecraft.world.entity.monster.breeze;
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import com.google.common.annotations.VisibleForTesting;
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import com.google.common.collect.Lists;
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import it.unimi.dsi.fastutil.objects.ObjectArrayList;
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import java.util.Map;
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import java.util.Optional;
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import net.minecraft.Util;
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import net.minecraft.commands.arguments.EntityAnchorArgument.Anchor;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Direction;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.sounds.SoundEvents;
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import net.minecraft.sounds.SoundSource;
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import net.minecraft.tags.FluidTags;
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import net.minecraft.util.RandomSource;
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import net.minecraft.util.Unit;
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import net.minecraft.world.effect.MobEffects;
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import net.minecraft.world.entity.LivingEntity;
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import net.minecraft.world.entity.Pose;
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import net.minecraft.world.entity.ai.attributes.Attributes;
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import net.minecraft.world.entity.ai.behavior.Behavior;
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import net.minecraft.world.entity.ai.behavior.LongJumpUtil;
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import net.minecraft.world.entity.ai.behavior.Swim;
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import net.minecraft.world.entity.ai.memory.MemoryModuleType;
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import net.minecraft.world.entity.ai.memory.MemoryStatus;
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import net.minecraft.world.level.ClipContext;
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import net.minecraft.world.level.ClipContext.Block;
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import net.minecraft.world.level.ClipContext.Fluid;
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import net.minecraft.world.level.block.Blocks;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.phys.HitResult;
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import net.minecraft.world.phys.Vec3;
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import net.minecraft.world.phys.HitResult.Type;
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import org.jetbrains.annotations.Nullable;
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public class LongJump extends Behavior<Breeze> {
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private static final int REQUIRED_AIR_BLOCKS_ABOVE = 4;
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private static final int JUMP_COOLDOWN_TICKS = 10;
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private static final int JUMP_COOLDOWN_WHEN_HURT_TICKS = 2;
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private static final int INHALING_DURATION_TICKS = Math.round(10.0F);
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private static final float DEFAULT_FOLLOW_RANGE = 24.0F;
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private static final float DEFAULT_MAX_JUMP_VELOCITY = 1.4F;
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private static final float MAX_JUMP_VELOCITY_MULTIPLIER = 0.058333334F;
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private static final ObjectArrayList<Integer> ALLOWED_ANGLES = new ObjectArrayList<>(Lists.newArrayList(40, 55, 60, 75, 80));
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@VisibleForTesting
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public LongJump() {
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super(
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Map.of(
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MemoryModuleType.ATTACK_TARGET,
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MemoryStatus.VALUE_PRESENT,
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MemoryModuleType.BREEZE_JUMP_COOLDOWN,
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MemoryStatus.VALUE_ABSENT,
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MemoryModuleType.BREEZE_JUMP_INHALING,
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MemoryStatus.REGISTERED,
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MemoryModuleType.BREEZE_JUMP_TARGET,
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MemoryStatus.REGISTERED,
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MemoryModuleType.BREEZE_SHOOT,
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MemoryStatus.VALUE_ABSENT,
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MemoryModuleType.WALK_TARGET,
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MemoryStatus.VALUE_ABSENT,
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MemoryModuleType.BREEZE_LEAVING_WATER,
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MemoryStatus.REGISTERED
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),
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200
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);
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}
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public static boolean canRun(ServerLevel level, Breeze breeze) {
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if (!breeze.onGround() && !breeze.isInWater()) {
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return false;
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} else if (Swim.shouldSwim(breeze)) {
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return false;
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} else if (breeze.getBrain().checkMemory(MemoryModuleType.BREEZE_JUMP_TARGET, MemoryStatus.VALUE_PRESENT)) {
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return true;
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} else {
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LivingEntity livingEntity = (LivingEntity)breeze.getBrain().getMemory(MemoryModuleType.ATTACK_TARGET).orElse(null);
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if (livingEntity == null) {
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return false;
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} else if (outOfAggroRange(breeze, livingEntity)) {
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breeze.getBrain().eraseMemory(MemoryModuleType.ATTACK_TARGET);
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return false;
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} else if (tooCloseForJump(breeze, livingEntity)) {
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return false;
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} else if (!canJumpFromCurrentPosition(level, breeze)) {
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return false;
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} else {
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BlockPos blockPos = snapToSurface(breeze, BreezeUtil.randomPointBehindTarget(livingEntity, breeze.getRandom()));
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if (blockPos == null) {
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return false;
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} else {
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BlockState blockState = level.getBlockState(blockPos.below());
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if (breeze.getType().isBlockDangerous(blockState)) {
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return false;
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} else if (!BreezeUtil.hasLineOfSight(breeze, blockPos.getCenter()) && !BreezeUtil.hasLineOfSight(breeze, blockPos.above(4).getCenter())) {
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return false;
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} else {
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breeze.getBrain().setMemory(MemoryModuleType.BREEZE_JUMP_TARGET, blockPos);
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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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}
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protected boolean checkExtraStartConditions(ServerLevel serverLevel, Breeze breeze) {
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return canRun(serverLevel, breeze);
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}
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protected boolean canStillUse(ServerLevel serverLevel, Breeze breeze, long l) {
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return breeze.getPose() != Pose.STANDING && !breeze.getBrain().hasMemoryValue(MemoryModuleType.BREEZE_JUMP_COOLDOWN);
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}
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protected void start(ServerLevel serverLevel, Breeze breeze, long l) {
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if (breeze.getBrain().checkMemory(MemoryModuleType.BREEZE_JUMP_INHALING, MemoryStatus.VALUE_ABSENT)) {
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breeze.getBrain().setMemoryWithExpiry(MemoryModuleType.BREEZE_JUMP_INHALING, Unit.INSTANCE, INHALING_DURATION_TICKS);
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}
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breeze.setPose(Pose.INHALING);
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serverLevel.playSound(null, breeze, SoundEvents.BREEZE_CHARGE, SoundSource.HOSTILE, 1.0F, 1.0F);
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breeze.getBrain().getMemory(MemoryModuleType.BREEZE_JUMP_TARGET).ifPresent(blockPos -> breeze.lookAt(Anchor.EYES, blockPos.getCenter()));
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}
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protected void tick(ServerLevel serverLevel, Breeze breeze, long l) {
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boolean bl = breeze.isInWater();
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if (!bl && breeze.getBrain().checkMemory(MemoryModuleType.BREEZE_LEAVING_WATER, MemoryStatus.VALUE_PRESENT)) {
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breeze.getBrain().eraseMemory(MemoryModuleType.BREEZE_LEAVING_WATER);
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}
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if (isFinishedInhaling(breeze)) {
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Vec3 vec3 = (Vec3)breeze.getBrain()
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.getMemory(MemoryModuleType.BREEZE_JUMP_TARGET)
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.flatMap(blockPos -> calculateOptimalJumpVector(breeze, breeze.getRandom(), Vec3.atBottomCenterOf(blockPos)))
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.orElse(null);
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if (vec3 == null) {
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breeze.setPose(Pose.STANDING);
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return;
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}
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if (bl) {
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breeze.getBrain().setMemory(MemoryModuleType.BREEZE_LEAVING_WATER, Unit.INSTANCE);
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}
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breeze.playSound(SoundEvents.BREEZE_JUMP, 1.0F, 1.0F);
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breeze.setPose(Pose.LONG_JUMPING);
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breeze.setYRot(breeze.yBodyRot);
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breeze.setDiscardFriction(true);
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breeze.setDeltaMovement(vec3);
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} else if (isFinishedJumping(breeze)) {
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breeze.playSound(SoundEvents.BREEZE_LAND, 1.0F, 1.0F);
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breeze.setPose(Pose.STANDING);
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breeze.setDiscardFriction(false);
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boolean bl2 = breeze.getBrain().hasMemoryValue(MemoryModuleType.HURT_BY);
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breeze.getBrain().setMemoryWithExpiry(MemoryModuleType.BREEZE_JUMP_COOLDOWN, Unit.INSTANCE, bl2 ? 2L : 10L);
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breeze.getBrain().setMemoryWithExpiry(MemoryModuleType.BREEZE_SHOOT, Unit.INSTANCE, 100L);
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}
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}
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protected void stop(ServerLevel serverLevel, Breeze breeze, long l) {
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if (breeze.getPose() == Pose.LONG_JUMPING || breeze.getPose() == Pose.INHALING) {
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breeze.setPose(Pose.STANDING);
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}
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breeze.getBrain().eraseMemory(MemoryModuleType.BREEZE_JUMP_TARGET);
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breeze.getBrain().eraseMemory(MemoryModuleType.BREEZE_JUMP_INHALING);
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breeze.getBrain().eraseMemory(MemoryModuleType.BREEZE_LEAVING_WATER);
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}
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private static boolean isFinishedInhaling(Breeze breeze) {
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return breeze.getBrain().getMemory(MemoryModuleType.BREEZE_JUMP_INHALING).isEmpty() && breeze.getPose() == Pose.INHALING;
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}
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private static boolean isFinishedJumping(Breeze breeze) {
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boolean bl = breeze.getPose() == Pose.LONG_JUMPING;
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boolean bl2 = breeze.onGround();
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boolean bl3 = breeze.isInWater() && breeze.getBrain().checkMemory(MemoryModuleType.BREEZE_LEAVING_WATER, MemoryStatus.VALUE_ABSENT);
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return bl && (bl2 || bl3);
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}
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@Nullable
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private static BlockPos snapToSurface(LivingEntity owner, Vec3 targetPos) {
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ClipContext clipContext = new ClipContext(targetPos, targetPos.relative(Direction.DOWN, 10.0), Block.COLLIDER, Fluid.NONE, owner);
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HitResult hitResult = owner.level().clip(clipContext);
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if (hitResult.getType() == Type.BLOCK) {
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return BlockPos.containing(hitResult.getLocation()).above();
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} else {
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ClipContext clipContext2 = new ClipContext(targetPos, targetPos.relative(Direction.UP, 10.0), Block.COLLIDER, Fluid.NONE, owner);
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HitResult hitResult2 = owner.level().clip(clipContext2);
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return hitResult2.getType() == Type.BLOCK ? BlockPos.containing(hitResult2.getLocation()).above() : null;
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}
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}
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private static boolean outOfAggroRange(Breeze breeze, LivingEntity target) {
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return !target.closerThan(breeze, breeze.getAttributeValue(Attributes.FOLLOW_RANGE));
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}
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private static boolean tooCloseForJump(Breeze breeze, LivingEntity target) {
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return target.distanceTo(breeze) - 4.0F <= 0.0F;
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}
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private static boolean canJumpFromCurrentPosition(ServerLevel level, Breeze breeze) {
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BlockPos blockPos = breeze.blockPosition();
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if (level.getBlockState(blockPos).is(Blocks.HONEY_BLOCK)) {
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return false;
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} else {
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for (int i = 1; i <= 4; i++) {
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BlockPos blockPos2 = blockPos.relative(Direction.UP, i);
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if (!level.getBlockState(blockPos2).isAir() && !level.getFluidState(blockPos2).is(FluidTags.WATER)) {
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return false;
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}
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}
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return true;
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}
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}
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private static Optional<Vec3> calculateOptimalJumpVector(Breeze breeze, RandomSource random, Vec3 target) {
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for (int i : Util.shuffledCopy(ALLOWED_ANGLES, random)) {
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float f = 0.058333334F * (float)breeze.getAttributeValue(Attributes.FOLLOW_RANGE);
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Optional<Vec3> optional = LongJumpUtil.calculateJumpVectorForAngle(breeze, target, f, i, false);
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if (optional.isPresent()) {
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if (breeze.hasEffect(MobEffects.JUMP_BOOST)) {
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double d = ((Vec3)optional.get()).normalize().y * breeze.getJumpBoostPower();
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return optional.map(vec3 -> vec3.add(0.0, d, 0.0));
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}
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return optional;
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}
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}
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return Optional.empty();
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}
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}
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