123 lines
5.4 KiB
Java
123 lines
5.4 KiB
Java
package com.atsuishio.superbwarfare.item;
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import com.atsuishio.superbwarfare.entity.DPSGeneratorEntity;
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import com.atsuishio.superbwarfare.init.ModEntities;
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import net.minecraft.ChatFormatting;
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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.network.chat.Component;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.stats.Stats;
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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.MobSpawnType;
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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.TooltipFlag;
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import net.minecraft.world.item.context.UseOnContext;
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import net.minecraft.world.level.ClipContext;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.block.LiquidBlock;
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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.minecraft.world.phys.BlockHitResult;
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import net.minecraft.world.phys.HitResult;
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import org.jetbrains.annotations.NotNull;
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import javax.annotation.ParametersAreNonnullByDefault;
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import java.util.List;
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import java.util.Objects;
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import java.util.function.Predicate;
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public class DPSGeneratorDeployer extends Item {
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public DPSGeneratorDeployer() {
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super(new Properties());
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}
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@Override
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@ParametersAreNonnullByDefault
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public void appendHoverText(ItemStack stack, TooltipContext context, List<Component> tooltipComponents, TooltipFlag tooltipFlag) {
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tooltipComponents.add(Component.translatable("des.superbwarfare.dps_generator_deployer").withStyle(ChatFormatting.GRAY).withStyle(ChatFormatting.ITALIC));
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}
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private static final Predicate<Entity> IS_GENERATOR = e -> e instanceof DPSGeneratorEntity;
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@Override
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public @NotNull InteractionResult useOn(UseOnContext pContext) {
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Level level = pContext.getLevel();
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if (!(level instanceof ServerLevel)) {
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return InteractionResult.SUCCESS;
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} else {
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ItemStack itemstack = pContext.getItemInHand();
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BlockPos blockpos = pContext.getClickedPos();
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Direction direction = pContext.getClickedFace();
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BlockState blockstate = level.getBlockState(blockpos);
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BlockPos pos;
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if (blockstate.getCollisionShape(level, blockpos).isEmpty()) {
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pos = blockpos;
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} else {
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pos = blockpos.relative(direction);
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}
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// 禁止堆叠
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if (!level.getEntities(
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(Entity) null,
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ModEntities.DPS_GENERATOR.get().getSpawnAABB(pos.getX() + 0.5, pos.getY() + 0.5, pos.getZ() + 0.5),
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IS_GENERATOR
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).isEmpty()) {
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return InteractionResult.FAIL;
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}
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if (ModEntities.DPS_GENERATOR.get().spawn((ServerLevel) level, itemstack, pContext.getPlayer(), pos, MobSpawnType.SPAWN_EGG, true, !Objects.equals(blockpos, pos) && direction == Direction.UP) != null) {
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itemstack.shrink(1);
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level.gameEvent(pContext.getPlayer(), GameEvent.ENTITY_PLACE, blockpos);
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}
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return InteractionResult.CONSUME;
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}
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}
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@Override
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public @NotNull InteractionResultHolder<ItemStack> use(@NotNull Level level, Player player, @NotNull InteractionHand hand) {
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ItemStack itemstack = player.getItemInHand(hand);
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BlockHitResult blockhitresult = getPlayerPOVHitResult(level, player, ClipContext.Fluid.SOURCE_ONLY);
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if (blockhitresult.getType() != HitResult.Type.BLOCK) {
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return InteractionResultHolder.pass(itemstack);
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} else if (!(level instanceof ServerLevel)) {
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return InteractionResultHolder.success(itemstack);
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} else {
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BlockPos blockpos = blockhitresult.getBlockPos();
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if (!(level.getBlockState(blockpos).getBlock() instanceof LiquidBlock)) {
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return InteractionResultHolder.pass(itemstack);
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} else if (level.mayInteract(player, blockpos) && player.mayUseItemAt(blockpos, blockhitresult.getDirection(), itemstack)) {
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// 禁止堆叠
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if (!level.getEntities(
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(Entity) null,
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ModEntities.DPS_GENERATOR.get().getSpawnAABB(blockpos.getX() + 0.5, blockpos.getY() + 0.5, blockpos.getZ() + 0.5),
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IS_GENERATOR
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).isEmpty()) {
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return InteractionResultHolder.fail(itemstack);
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}
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DPSGeneratorEntity entity = ModEntities.DPS_GENERATOR.get().spawn((ServerLevel) level, itemstack, player, blockpos, MobSpawnType.SPAWN_EGG, false, false);
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if (entity == null) {
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return InteractionResultHolder.pass(itemstack);
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} else {
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if (!player.getAbilities().instabuild) {
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itemstack.shrink(1);
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}
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player.awardStat(Stats.ITEM_USED.get(this));
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level.gameEvent(player, GameEvent.ENTITY_PLACE, entity.position());
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return InteractionResultHolder.consume(itemstack);
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}
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} else {
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return InteractionResultHolder.fail(itemstack);
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}
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}
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}
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}
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