226 lines
10 KiB
Java
226 lines
10 KiB
Java
package com.r3944realms.leashedplayer.modInterface;
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import com.r3944realms.leashedplayer.content.commands.LeashCommand;
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import com.r3944realms.leashedplayer.content.criteriaTriggers.ModCriteriaTriggers;
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import com.r3944realms.leashedplayer.utils.Util;
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import net.minecraft.core.BlockPos;
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import net.minecraft.network.protocol.game.ClientboundSetEntityLinkPacket;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.server.level.ServerPlayer;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.Leashable;
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import net.minecraft.world.entity.decoration.LeashFenceKnotEntity;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.phys.AABB;
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import net.minecraft.world.phys.Vec3;
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import org.jetbrains.annotations.NotNull;
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import javax.annotation.Nullable;
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import java.util.Optional;
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import java.util.UUID;
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public interface PlayerLeashable extends Leashable {
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/**
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* 获取拴绳的持有者实体 可能不存在
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*/
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@Nullable
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Entity getLeashHolder();
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/**
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* 获取拴绳的持有者数据 （从EntityData中获取
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*/
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LeashData getLeashDataFromEntityData();
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/**
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* 是否立即可被拴住
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*/
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boolean canBeLeashedInstantly(Player player);
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/**
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* 设置栓绳数据
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* @param pLeashHolder 拴绳持有者
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* @param pBroadcastPacket 是否广播包
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*/
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default void setLeashedTo(@NotNull Entity pLeashHolder, boolean pBroadcastPacket) {
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setLeashedTo((Entity & Leashable)this, pLeashHolder, pBroadcastPacket);
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if(this instanceof ServerPlayer) {
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ModCriteriaTriggers.LEASH_PLAYER_TRIGGER.get().trigger((ServerPlayer) this, pLeashHolder);
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}
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}
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static <E extends Entity & Leashable> void setLeashedTo(E pEntity, Entity pLeashHolder, boolean pBroadcastPacket) {
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LeashData leashable$leashdata = pEntity.getLeashData();
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if (leashable$leashdata == null) {
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leashable$leashdata = new LeashData(pLeashHolder);
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pEntity.setLeashData(leashable$leashdata);
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} else {
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leashable$leashdata.setLeashHolder(pLeashHolder);
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}
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if (pBroadcastPacket && pEntity.level() instanceof ServerLevel serverlevel) {
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serverlevel.getChunkSource().broadcast(pEntity, new ClientboundSetEntityLinkPacket(pEntity, pLeashHolder));
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}
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//这边覆写去掉了乘坐相关的逻辑，即乘坐状态下也可以正常被栓住，不影响其乘坐状态
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}
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static void legacyElasticRangeLeashBehaviour(Entity holderEntity, Entity restrainedEntity) {
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float leashLength = LeashCommand.MIN_VALUE;
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if (restrainedEntity instanceof ILivingEntityExtension iEntity) {
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// 获取绳长
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float leashLengthFormValue = iEntity.getLeashLength();
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leashLength = leashLengthFormValue > LeashCommand.MIN_VALUE ? leashLengthFormValue : LeashCommand.MIN_VALUE;
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}
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// 两者距离
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float distance = holderEntity.distanceTo(restrainedEntity);
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Entity applyMovementEntity = restrainedEntity.isPassenger() ? restrainedEntity.getVehicle() : restrainedEntity;
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// 仅当距离大于绳长时施加拉力
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if (applyMovementEntity != null && distance > leashLength) {
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MethodA(holderEntity, applyMovementEntity, distance, leashLength);
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// 控制速度不要过快，避免偏激移动
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Util.MovementBrake(applyMovementEntity, entity -> {
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Vec3 deltaMovement = entity.getDeltaMovement();
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entity.setDeltaMovement(
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Math.min(Math.abs(deltaMovement.x), 1.0) * Math.signum(deltaMovement.x),
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Math.min(Math.abs(deltaMovement.y), 1.0) * Math.signum(deltaMovement.y),
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Math.min(Math.abs(deltaMovement.z), 1.0) * Math.signum(deltaMovement.z)
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);
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entity.hurtMarked = true;
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});
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}
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}
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private static void MethodA(Entity holderEntity, Entity applyMovementEntity, float distance, float leashLength) {
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// 计算朝向持有者的拉力方向
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double dX = (holderEntity.getX() - applyMovementEntity.getX()) / (double) distance;
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double dY = (holderEntity.getY() - applyMovementEntity.getY()) / (double) distance;
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double dZ = (holderEntity.getZ() - applyMovementEntity.getZ()) / (double) distance;
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// 拉力大小，距离越远拉力越强，但施加一个最大限制
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double pullStrength = Math.min((distance - leashLength) * 0.1, 1.0); // 限制最大拉力
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applyMovementEntity.setDeltaMovement(
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applyMovementEntity.getDeltaMovement().add(
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dX * pullStrength,
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dY * pullStrength,
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dZ * pullStrength
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)
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);
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}
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private static void MethodB(Entity holderEntity, Entity applyMovementEntity, float distance, float leashLength) {
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// 计算朝向持有者的拉力方向
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double dX = (holderEntity.getX() - applyMovementEntity.getX()) / (double) distance;
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double dZ = (holderEntity.getZ() - applyMovementEntity.getZ()) / (double) distance;
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// 稳定点的目标高度
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double targetY = holderEntity.getY() + 1.0; // 根据需要调整目标高度
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double currentY = applyMovementEntity.getY();
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double heightDifference = targetY - currentY;
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// 控制垂直方向的拉力
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double dY = heightDifference > 0.5 ? 0.1 : (heightDifference < -0.5 ? -0.1 : 0);
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// 拉力大小，距离越远拉力越强，但施加一个最大限制
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double pullStrength = Math.min((distance - leashLength) * 0.1, 1.0); // 限制最大拉力
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applyMovementEntity.setDeltaMovement(
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applyMovementEntity.getDeltaMovement().add(
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dX * pullStrength,
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dY,
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dZ * pullStrength
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)
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);
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}
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@Nullable
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static Entity getLeashDataEntity(@NotNull ServerPlayer serverPlayer , @NotNull ServerLevel serverLevel) {
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LeashData leashDataFromEntityData = ((PlayerLeashable) serverPlayer).getLeashDataFromEntityData();
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if (leashDataFromEntityData != null) {
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return getLeashDataEntity(leashDataFromEntityData, serverLevel);
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}
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else return null;
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}
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static Entity getLeashDataEntityOrThrown(@NotNull ServerPlayer serverPlayer ,@NotNull ServerLevel serverLevel) throws Exception {
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Entity leashedEntity = getLeashDataEntity(serverPlayer, serverLevel);
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if(leashedEntity == null) throw new Exception("invalid");
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else return leashedEntity;
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}
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@Nullable
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static Entity getLeashDataEntity(@NotNull Leashable.LeashData leashDataFromEntityData, @NotNull ServerLevel level) {
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if(leashDataFromEntityData.delayedLeashInfo != null) {
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Optional<UUID> UUID = leashDataFromEntityData.delayedLeashInfo.left();
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Optional<BlockPos> BlockPos = leashDataFromEntityData.delayedLeashInfo.right();
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if (UUID.isPresent()) {
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return level.getEntity(UUID.get());
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} else return BlockPos.map(pos -> LeashFenceKnotEntity.getOrCreateKnot(level, pos)).orElse(null);
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}
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else if(leashDataFromEntityData.leashHolder != null) {
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return leashDataFromEntityData.leashHolder;
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}
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else if(leashDataFromEntityData.delayedLeashHolderId != 0) {
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return level.getEntity(leashDataFromEntityData.delayedLeashHolderId);
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}
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else return null;
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}
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static Entity getLeashDataEntityOrThrown(@NotNull Leashable.LeashData leashDataFromEntityData, @NotNull ServerLevel level) throws Exception {
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if(leashDataFromEntityData.delayedLeashInfo != null) {
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Optional<UUID> UUID = leashDataFromEntityData.delayedLeashInfo.left();
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Optional<BlockPos> BlockPos = leashDataFromEntityData.delayedLeashInfo.right();
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if (UUID.isPresent()) {
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return level.getEntity(UUID.get());
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} else if(BlockPos.isPresent()) {
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return LeashFenceKnotEntity.getOrCreateKnot(level, BlockPos.get());
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} else {
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throw new Exception("invalid delayedLeashInfo");
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}
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}
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else if(leashDataFromEntityData.leashHolder != null) {
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return leashDataFromEntityData.leashHolder;
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}
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else if(leashDataFromEntityData.delayedLeashHolderId != 0) {
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Entity entity = level.getEntity(leashDataFromEntityData.delayedLeashHolderId);
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if(entity == null) {
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throw new Exception("Not found Entity. maybe the pId is invalid");
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}
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return entity;
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}
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else {
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throw new Exception("invalid leash data");
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}
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}
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static boolean isLeashFenceKnotEntityExisted(ServerLevel pLevel, BlockPos pPos) {
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int i = pPos.getX();
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int j = pPos.getY();
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int k = pPos.getZ();
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for (LeashFenceKnotEntity leashfenceknotentity : pLevel.getEntitiesOfClass(
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LeashFenceKnotEntity.class, new AABB((double)i - 1.0, (double)j - 1.0, (double)k - 1.0, (double)i + 1.0, (double)j + 1.0, (double)k + 1.0)
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)) {
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if (leashfenceknotentity.getPos().equals(pPos)) {
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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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@Nullable
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static Entity getLeashFenceKnotEntity(ServerLevel pLevel, BlockPos pPos) {
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int i = pPos.getX();
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int j = pPos.getY();
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int k = pPos.getZ();
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for (LeashFenceKnotEntity leashfenceknotentity : pLevel.getEntitiesOfClass(
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LeashFenceKnotEntity.class, new AABB((double)i - 1.0, (double)j - 1.0, (double)k - 1.0, (double)i + 1.0, (double)j + 1.0, (double)k + 1.0)
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)) {
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if (leashfenceknotentity.getPos().equals(pPos)) {
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return leashfenceknotentity;
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}
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}
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return null;
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}
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static Entity createLeashKnotFence(ServerLevel pLevel, BlockPos pPos) {
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LeashFenceKnotEntity leashfenceknotentity = new LeashFenceKnotEntity(pLevel, pPos);
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pLevel.addFreshEntity(leashfenceknotentity);
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return leashfenceknotentity;
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}
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}
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