Code/net/minecraft/world/item/MinecartItem.java

71 lines
3.0 KiB
Java

package net.minecraft.world.item;
import net.minecraft.core.BlockPos;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.tags.BlockTags;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntitySpawnReason;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.vehicle.AbstractMinecart;
import net.minecraft.world.item.context.UseOnContext;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.BaseRailBlock;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.properties.RailShape;
import net.minecraft.world.level.gameevent.GameEvent;
import net.minecraft.world.phys.Vec3;
public class MinecartItem extends Item {
private final EntityType<? extends AbstractMinecart> type;
public MinecartItem(EntityType<? extends AbstractMinecart> p_364411_, Item.Properties p_42939_) {
super(p_42939_);
this.type = p_364411_;
}
@Override
public InteractionResult useOn(UseOnContext p_42943_) {
Level level = p_42943_.getLevel();
BlockPos blockpos = p_42943_.getClickedPos();
BlockState blockstate = level.getBlockState(blockpos);
if (!blockstate.is(BlockTags.RAILS)) {
return InteractionResult.FAIL;
} else {
ItemStack itemstack = p_42943_.getItemInHand();
RailShape railshape = blockstate.getBlock() instanceof BaseRailBlock
? blockstate.getValue(((BaseRailBlock)blockstate.getBlock()).getShapeProperty())
: RailShape.NORTH_SOUTH;
double d0 = 0.0;
if (railshape.isSlope()) {
d0 = 0.5;
}
Vec3 vec3 = new Vec3(blockpos.getX() + 0.5, blockpos.getY() + 0.0625 + d0, blockpos.getZ() + 0.5);
AbstractMinecart abstractminecart = AbstractMinecart.createMinecart(
level, vec3.x, vec3.y, vec3.z, this.type, EntitySpawnReason.DISPENSER, itemstack, p_42943_.getPlayer()
);
if (abstractminecart == null) {
return InteractionResult.FAIL;
} else {
if (AbstractMinecart.useExperimentalMovement(level)) {
for (Entity entity : level.getEntities(null, abstractminecart.getBoundingBox())) {
if (entity instanceof AbstractMinecart) {
return InteractionResult.FAIL;
}
}
}
if (level instanceof ServerLevel serverlevel) {
serverlevel.addFreshEntity(abstractminecart);
serverlevel.gameEvent(
GameEvent.ENTITY_PLACE, blockpos, GameEvent.Context.of(p_42943_.getPlayer(), serverlevel.getBlockState(blockpos.below()))
);
}
itemstack.shrink(1);
return InteractionResult.SUCCESS;
}
}
}
}