162 lines
7.8 KiB
Java
162 lines
7.8 KiB
Java
package thaumicenergistics.common.items;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.component.DataComponents;
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import net.minecraft.nbt.CompoundTag;
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import net.minecraft.network.chat.Component;
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import net.minecraft.world.InteractionResult;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.item.Item;
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import net.minecraft.world.item.ItemStack;
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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.entity.BlockEntity;
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import net.minecraft.world.level.block.state.BlockState;
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import thaumicenergistics.common.tiles.TileEssentiaProvider;
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import thaumicenergistics.common.tiles.TileEssentiaProviderConnection;
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import thaumicenergistics.init.ModBlocks;
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/**
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* 源质无线绑定工具：
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* - Shift+右键：绑定/断开（未连接的接收器=选中；供应器=绑定选中的接收器；已连接的接收器=断开）
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* - 右键：显示连接信息（聊天栏，坐标可复制）
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*/
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public class WirelessConnectorItem extends Item {
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private static final String KEY_SELECTED_RECEIVER = "SelectedReceiver";
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private static final String KEY_SELECTED_PROVIDER = "SelectedProvider";
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public WirelessConnectorItem(Properties properties) {
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super(properties);
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}
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private static CompoundTag getSelectionTag(ItemStack stack) {
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return stack.getOrDefault(DataComponents.CUSTOM_DATA, net.minecraft.world.item.component.CustomData.EMPTY).copyTag();
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}
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private static void setSelectionTag(ItemStack stack, CompoundTag tag) {
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stack.set(DataComponents.CUSTOM_DATA, net.minecraft.world.item.component.CustomData.of(tag));
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}
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private static void clearSelection(ItemStack stack) {
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stack.remove(DataComponents.CUSTOM_DATA);
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}
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private static void showReceiverInfo(Player player, TileEssentiaProviderConnection receiver) {
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BlockPos lp = receiver.getLinkedProviderPos();
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if (lp != null) {
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player.sendSystemMessage(Component.literal("§7[源质无线接收器] 已连接供应器: §a[" + lp.getX() + ", " + lp.getY() + ", " + lp.getZ() + "]"));
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} else {
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player.sendSystemMessage(Component.literal("§7[源质无线接收器] 未连接任何供应器"));
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}
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}
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private static void showProviderInfo(Player player, TileEssentiaProvider provider) {
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var list = provider.getLinkedReceivers();
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player.sendSystemMessage(Component.literal("§7[源质供应器] 已连接接收器 (" + list.size() + "/" + TileEssentiaProvider.MAX_LINKED_RECEIVERS + "):"));
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if (list.isEmpty()) {
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player.sendSystemMessage(Component.literal("§7 （无）"));
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} else {
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for (BlockPos rp : list) {
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player.sendSystemMessage(Component.literal("§a [" + rp.getX() + ", " + rp.getY() + ", " + rp.getZ() + "]"));
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}
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}
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}
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@Override
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public InteractionResult useOn(UseOnContext context) {
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Level level = context.getLevel();
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BlockPos pos = context.getClickedPos();
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Player player = context.getPlayer();
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ItemStack stack = context.getItemInHand();
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if (level.isClientSide() || player == null) {
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return InteractionResult.SUCCESS;
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}
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BlockState state = level.getBlockState(pos);
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BlockEntity be = level.getBlockEntity(pos);
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// ===== Shift+右键：绑定 / 断开（顺序不限，第二步完成绑定） =====
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if (player.isShiftKeyDown()) {
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if (be instanceof TileEssentiaProviderConnection receiver) {
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if (receiver.getLinkedProviderPos() != null) {
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// 已连接 → 断开
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receiver.clearLink();
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player.sendSystemMessage(Component.literal("§e已断开该源质无线接收器的连接"));
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return InteractionResult.SUCCESS;
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}
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CompoundTag tag = getSelectionTag(stack);
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if (tag.contains(KEY_SELECTED_PROVIDER)) {
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// 已选中供应器 → 绑定到它
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BlockPos providerPos = BlockPos.of(tag.getLong(KEY_SELECTED_PROVIDER));
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String error = receiver.setLinkedProvider(providerPos);
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if (error == null) {
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player.sendSystemMessage(Component.literal("§a绑定成功！无线接收器已连接至源质供应器"));
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} else {
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player.sendSystemMessage(Component.literal(error));
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}
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clearSelection(stack);
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} else if (tag.contains(KEY_SELECTED_RECEIVER)) {
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player.sendSystemMessage(Component.literal("§c接收器不能互相绑定，只能绑定到源质供应器"));
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} else {
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// 未选中 → 选中该接收器
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tag.putLong(KEY_SELECTED_RECEIVER, pos.asLong());
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setSelectionTag(stack, tag);
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player.sendSystemMessage(Component.literal("§a已选中源质无线接收器，请 shift+右键 源质供应器完成绑定"));
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}
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return InteractionResult.SUCCESS;
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}
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if (be instanceof TileEssentiaProvider) {
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CompoundTag tag = getSelectionTag(stack);
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if (tag.contains(KEY_SELECTED_RECEIVER)) {
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// 已选中接收器 → 绑定到本供应器
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BlockPos receiverPos = BlockPos.of(tag.getLong(KEY_SELECTED_RECEIVER));
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if (level.getBlockEntity(receiverPos) instanceof TileEssentiaProviderConnection receiver) {
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String error = receiver.setLinkedProvider(pos);
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if (error == null) {
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player.sendSystemMessage(Component.literal("§a绑定成功！无线接收器已连接至源质供应器"));
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} else {
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player.sendSystemMessage(Component.literal(error));
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}
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} else {
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player.sendSystemMessage(Component.literal("§c选中的源质无线接收器不存在或已被移除"));
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}
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clearSelection(stack);
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} else {
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// 未选中 → 选中该供应器
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tag.putLong(KEY_SELECTED_PROVIDER, pos.asLong());
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setSelectionTag(stack, tag);
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player.sendSystemMessage(Component.literal("§a已选中源质供应器，请 shift+右键 源质无线接收器完成绑定"));
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}
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return InteractionResult.SUCCESS;
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}
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// 其他方块：清除选中
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if (getSelectionTag(stack).contains(KEY_SELECTED_RECEIVER)
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|| getSelectionTag(stack).contains(KEY_SELECTED_PROVIDER)) {
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clearSelection(stack);
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player.sendSystemMessage(Component.literal("§7已清除选中"));
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return InteractionResult.SUCCESS;
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}
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return InteractionResult.PASS;
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}
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// ===== 右键：显示连接信息（复制显示） =====
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if (be instanceof TileEssentiaProviderConnection receiver) {
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showReceiverInfo(player, receiver);
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return InteractionResult.SUCCESS;
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}
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if (be instanceof TileEssentiaProvider provider) {
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showProviderInfo(player, provider);
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return InteractionResult.SUCCESS;
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}
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// 其他方块：清除选中
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if (getSelectionTag(stack).contains(KEY_SELECTED_RECEIVER)
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|| getSelectionTag(stack).contains(KEY_SELECTED_PROVIDER)) {
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clearSelection(stack);
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player.sendSystemMessage(Component.literal("§7已清除选中"));
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return InteractionResult.SUCCESS;
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}
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return InteractionResult.PASS;
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}
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}
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