237 lines
9.3 KiB
Java
237 lines
9.3 KiB
Java
/*
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* Super Lead rope mod
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* Copyright (C) 2025 R3944Realms
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package top.r3944realms.superleadrope.content.item;
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import net.minecraft.core.BlockPos;
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import net.minecraft.sounds.SoundSource;
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import net.minecraft.world.InteractionHand;
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import net.minecraft.world.InteractionResult;
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import net.minecraft.world.InteractionResultHolder;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.item.TieredItem;
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import net.minecraft.world.item.context.UseOnContext;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.gameevent.GameEvent;
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import net.minecraftforge.common.extensions.IForgeItem;
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import org.jetbrains.annotations.NotNull;
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import top.r3944realms.superleadrope.api.SuperLeadRopeApi;
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import top.r3944realms.superleadrope.api.type.capabilty.ILeashData;
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import top.r3944realms.superleadrope.content.SLPToolTier;
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import top.r3944realms.superleadrope.content.entity.SuperLeashKnotEntity;
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import top.r3944realms.superleadrope.core.register.SLPSoundEvents;
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import top.r3944realms.superleadrope.util.capability.LeashDataInnerAPI;
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import java.util.List;
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import java.util.Optional;
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import java.util.UUID;
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import java.util.concurrent.atomic.AtomicBoolean;
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/**
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* The type Super lead rope item.
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*/
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//TODO:
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// 1. 可抛掷使用 ***（下个版本实现）
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// - 可转移拴绳
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// 2. 多绑定（一个生物可以被多个加强拴绳绑定，产生共同作用效果）
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// 3. 支持更多支撑方块
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// 4. 可配置的生物栓效果（通过标签系统可配置哪些额外实体可被拴住）
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// 5. 可自定义拴绳渲染位置（以匹配不同的生物模型）
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// 6. 不可消耗的（但是有耐久，需要修复, 通过消耗原版拴绳恢复，每次多重绑定就会消耗1点耐久）
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// 实现拴生物，在生物的interact方法里去写相关逻辑
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// （尝试0 mixin 实现 加强拴绳逻辑）
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public class SuperLeadRopeItem extends TieredItem implements IForgeItem {
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// 配置常量
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// 【手动调节,可以通过附魔获取更远抛掷和抛掷距离 - x1.3】//TODO:将可抛掷实现留到下次编写
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// 可以做个大于一定距离时远距离使用时抛出拴绳的实体，击中生物才栓中的
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private static final double SHORT_RANGE = 5.0D;
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private static final float THROW_SPEED = 1.5F;
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/**
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* Instantiates a new Super lead rope item.
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*
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* @param pProperties the p properties
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*/
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public SuperLeadRopeItem(@NotNull Properties pProperties) {
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super(SLPToolTier.STRING,
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pProperties
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.durability(1024)
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.setNoRepair()
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);
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}
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//通过按键 可抛掷启用/关闭实现（不会影响use逻辑）
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@Override
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public @NotNull InteractionResultHolder<ItemStack> use(@NotNull Level pLevel, @NotNull Player pPlayer, @NotNull InteractionHand pUsedHand) {
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ItemStack lead = pPlayer.getItemInHand(pUsedHand);
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if(!pLevel.isClientSide) {
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if (canUse(lead)) return InteractionResultHolder.pass(lead);
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return super.use(pLevel, pPlayer, pUsedHand);
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}
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return InteractionResultHolder.success(lead);
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}
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/**
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* Can use boolean.
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*
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* @param itemStack the item stack
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* @return the boolean
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*/
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public static boolean canUse(@NotNull ItemStack itemStack) {
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return itemStack.getDamageValue() < 1000;
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}
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@Override
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public @NotNull InteractionResult useOn(@NotNull UseOnContext context) {
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Level level = context.getLevel();
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BlockPos pos = context.getClickedPos();
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BlockState state = level.getBlockState(pos);
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ItemStack itemStack = context.getItemInHand();
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if (canUse(itemStack)) return InteractionResult.SUCCESS;
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if(SuperLeashKnotEntity.isSupportBlock(state)) {
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Player player = context.getPlayer();
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if(!level.isClientSide && player != null) {
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return bindToBlock(player, level, pos, itemStack, false) ? InteractionResult.CONSUME : InteractionResult.SUCCESS;
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}
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}
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return InteractionResult.SUCCESS;
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}
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/**
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* 右键蹲下绑定到另一实体上
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*
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* @param newHolder 新实体
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* @param player 明确持有玩家
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* @param level 维度世界
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* @return 是否成功 boolean
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*/
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public static boolean bindToEntity(Entity newHolder, Player player, Level level) {
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return bindToEntity(newHolder, player, level, player.getOnPos());
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}
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/**
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* 右键蹲下绑定到另一实体上
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*
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* @param newHolder 新实体
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* @param player 明确持有玩家
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* @param level 维度世界
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* @param pos 坐标（一般是明确持有玩家的位置）
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* @return 是否成功 boolean
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*/
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public static boolean bindToEntity(Entity newHolder, Player player, Level level, BlockPos pos) {
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boolean isSuccess = false;
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// 查找当前玩家持有的可拴生物
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List<Entity> list = SuperLeadRopeApi.leashableInArea(
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level, pos.getCenter(),
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entity -> SuperLeadRopeApi.isLeashHolder(entity, player.getUUID())
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);
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for (Entity e : list) {
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Optional<ILeashData> leashDataOpt = LeashDataInnerAPI.getLeashData(e);
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if (leashDataOpt.map(i -> i.canBeAttachedTo(newHolder)).orElse(false)) {
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leashDataOpt.ifPresent(i -> i.transferLeash(player.getUUID(), newHolder));
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isSuccess = true;
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}
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}
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if (!isSuccess) {
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return false;
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} else {
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level.gameEvent(GameEvent.ENTITY_INTERACT, pos, GameEvent.Context.of(player));
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level.playSound(null, newHolder.getOnPos(), SLPSoundEvents.LEAD_UNTIED.get(), SoundSource.PLAYERS);
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return true;
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}
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}
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/**
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* 右键蹲下绑定到支持方块上
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*
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* @param player 明确持有玩家
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* @param level 维度世界
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* @param leashStack 拴绳物品实例
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* @param shouldBindSelf 是否应该触发拴自己逻辑检查
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* @return 是否成功 boolean
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*/
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public static boolean bindToBlock(Player player, Level level, ItemStack leashStack, boolean shouldBindSelf) {
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return bindToBlock(player, level, player.getOnPos(), leashStack, shouldBindSelf);
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}
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/**
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* 右键蹲下绑定到支持方块上
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*
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* @param player 明确持有玩家
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* @param level 维度世界
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* @param pos 坐标（一般是明确持有玩家的位置）
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* @param leashStack 拴绳物品实例
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* @param shouldBindSelf 是否应该触发拴自己逻辑检查
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* @return 是否成功 boolean
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*/
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public static boolean bindToBlock(Player player, Level level, BlockPos pos, ItemStack leashStack, boolean shouldBindSelf) {
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SuperLeashKnotEntity knot = null;
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AtomicBoolean isSuccess = new AtomicBoolean(false);
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UUID uuid = player.getUUID();
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List<Entity> list = SuperLeadRopeApi.leashableInArea(level, pos.getCenter(),
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entity -> SuperLeadRopeApi.isLeashHolder(entity, uuid));
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// 情况一：拴自己到新 knot
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if (shouldBindSelf && list.isEmpty()) {
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if (leashStack.isEmpty() || !canUse(leashStack)) {
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return false;
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}
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knot = SuperLeashKnotEntity.getOrCreateKnot(level, pos);
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knot.playPlacementSound();
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SuperLeashKnotEntity finalKnot = knot;
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LeashDataInnerAPI.getLeashData(player).ifPresent(i -> {
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if (i.canBeAttachedTo(finalKnot)) {
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if (!level.isClientSide) i.addLeash(finalKnot);
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isSuccess.set(true);
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}
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});
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}
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// 情况二：把已有生物拴到 knot
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else if (!list.isEmpty()) {
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for (Entity e : list) {
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if (knot == null) {
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knot = SuperLeashKnotEntity.getOrCreateKnot(level, pos);
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knot.playPlacementSound();
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}
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SuperLeashKnotEntity finalKnot = knot;
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LeashDataInnerAPI.getLeashData(e).ifPresent(i -> {
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if (i.canBeAttachedTo(finalKnot)) {
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if (!level.isClientSide) i.transferLeash(uuid, finalKnot);
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isSuccess.set(true);
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}
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});
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}
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}
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if (isSuccess.get()) {
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level.gameEvent(GameEvent.BLOCK_ATTACH, pos, GameEvent.Context.of(player));
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return true;
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}
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return false;
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}
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}
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