Files
structure-item-mod-fabric/src/main/java/quimufu/structure_item/MyItem.java

270 lines
12 KiB
Java

package quimufu.structure_item;
import com.google.common.collect.Lists;
import net.minecraft.block.Block;
import net.minecraft.client.item.TooltipContext;
import net.minecraft.item.Item;
import net.minecraft.item.ItemGroup;
import net.minecraft.item.ItemStack;
import net.minecraft.item.ItemUsageContext;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.nbt.ListTag;
import net.minecraft.nbt.NbtHelper;
import net.minecraft.nbt.Tag;
import net.minecraft.network.packet.s2c.play.TitleS2CPacket;
import net.minecraft.server.network.ServerPlayNetworkHandler;
import net.minecraft.server.network.ServerPlayerEntity;
import net.minecraft.server.world.ServerWorld;
import net.minecraft.structure.Structure;
import net.minecraft.text.LiteralText;
import net.minecraft.text.Text;
import net.minecraft.text.TranslatableText;
import net.minecraft.util.*;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Direction;
import net.minecraft.util.registry.DefaultedRegistry;
import net.minecraft.util.registry.Registry;
import net.minecraft.world.World;
import java.util.List;
import static quimufu.structure_item.StructureItemMod.LOGGER;
public class MyItem extends Item {
static Item.Settings p = (new Item.Settings()).group(ItemGroup.REDSTONE).maxCount(1);
public MyItem() {
super(p);
}
@Override
public void appendTooltip(ItemStack itemStack, World world, List<Text> texts, TooltipContext tooltipFlag) {
if (!itemStack.hasTag() || !itemStack.getTag().contains("structure", 8)) {
texts.add((new TranslatableText("item.structure_item.item.tooltip.tag.invalid")).formatted(Formatting.RED));
} else {
CompoundTag tag = itemStack.getTag();
if (tooltipFlag.isAdvanced()) {
texts.add(new TranslatableText("item.structure_item.item.tooltip.structure"));
texts.add(new LiteralText(" " + tag.getString("structure")));
if (tag.contains("allowedOn", 8)) {
texts.add(new TranslatableText("item.structure_item.item.tooltip.allowed.on"));
texts.add(new LiteralText(" " + tag.getString("allowedOn")));
}
if (tag.contains("offset", 10)) {
BlockPos offset = NbtHelper.toBlockPos(tag.getCompound("offset"));
texts.add(new TranslatableText("item.structure_item.item.tooltip.fixed.offset"));
Text c = new TranslatableText("item.structure_item.item.tooltip.xyz",
new LiteralText(String.valueOf(offset.getX())),
new LiteralText(String.valueOf(offset.getY())),
new LiteralText(String.valueOf(offset.getZ())));
texts.add(c);
} else {
texts.add(new TranslatableText("item.structure_item.item.tooltip.dynamic.offset"));
}
if (tag.contains("blacklist", 9)) {
texts.add(new TranslatableText("item.structure_item.item.tooltip.blacklist"));
ListTag bl = tag.getList("blacklist", 8);
int i = 0;
for ( Tag entry : bl) {
texts.add(new LiteralText(" " + entry.asString()));
i++;
if (i == 4) {
texts.add(new TranslatableText("item.structure_item.item.tooltip.blacklist.more",
new LiteralText(String.valueOf(bl.size() - i))));
}
}
}
if (!tag.contains("replaceEntities", 99) || tag.getBoolean("replaceEntities")) {
texts.add(new TranslatableText("item.structure_item.item.tooltip.replaceEntities"));
} else {
texts.add(new TranslatableText("item.structure_item.item.tooltip.doNotReplaceEntities"));
}
if (!tag.contains("placeEntities", 99) || tag.getBoolean("placeEntities")) {
texts.add(new TranslatableText("item.structure_item.item.tooltip.placeEntities"));
} else {
texts.add(new TranslatableText("item.structure_item.item.tooltip.doNotPlaceEntities"));
}
}
}
}
@Override
public ActionResult useOnBlock(ItemUsageContext c) {
if (!c.getWorld().isClient) {
ServerPlayerEntity player;
if (c.getPlayer() instanceof ServerPlayerEntity) {
player = ((ServerPlayerEntity) c.getPlayer());
} else {
player = null;
}
CompoundTag tag = c.getStack().getTag();
if (tag == null) {
TranslatableText message =
new TranslatableText("items.structure.spawner.no.tag");
sendPlayerChat(player, message);
return ActionResult.FAIL;
}
Block allowed = null;
if (tag.contains("allowedOn", 8)) {
String allowedOn = tag.getString("allowedOn");
allowed = getBlock(allowedOn);
if (allowed == null) {
TranslatableText message =
new TranslatableText("items.structure.spawner.invalid.block",
new LiteralText(allowedOn));
sendPlayerChat(player, message);
return ActionResult.FAIL;
}
}
Block current = c.getWorld().getBlockState(c.getBlockPos()).getBlock();
if (allowed != null && !current.equals(allowed)) {
Text currentName = new TranslatableText(current.getTranslationKey());
Text allowedName = new TranslatableText(allowed.getTranslationKey());
TranslatableText message =
new TranslatableText("items.structure.spawner.invalid.block.clicked",
currentName, allowedName);
sendPlayer(player, message);
return ActionResult.FAIL;
}
if (!tag.contains("structure", 8)) {
LOGGER.info("No structure name set");
TranslatableText message =
new TranslatableText("items.structure.spawner.no.structure");
sendPlayerChat(player, message);
return ActionResult.FAIL;
}
String structureName = tag.getString("structure");
Identifier structureResourceID = Identifier.tryParse(structureName);
if (structureResourceID == null) {
TranslatableText message =
new TranslatableText("items.structure.spawner.invalid.structure.name");
sendPlayerChat(player, message);
return ActionResult.FAIL;
}
Structure x = ((ServerWorld) c.getWorld()).getStructureManager().getStructure(structureResourceID);
if (x == null) {
TranslatableText message =
new TranslatableText("items.structure.spawner.structure.nonexistent",
new LiteralText(structureResourceID.toString()));
sendPlayerChat(player, message);
return ActionResult.FAIL;
}
BlockPos loc = c.getBlockPos().offset(c.getSide());
if (tag.contains("offset", 10)) {
BlockPos offset = NbtHelper.toBlockPos(tag.getCompound("offset"));
loc = loc.add(offset);
} else if (c.getPlayer() != null) {
Direction direction = Direction.getEntityFacingOrder(c.getPlayer())[0];
BlockPos size = x.getSize();
loc = loc.add(getDirectionalOffset(direction, size));
} else {
LOGGER.info("No player & no offset");
}
MyPlacementSettings ps = (new MyPlacementSettings());
if (tag.contains("replaceEntities", 99)) {
ps.setReplaceEntities(tag.getBoolean("replaceEntities"));
}
if (tag.contains("placeEntities", 99)) {
ps.setIgnoreEntities(!tag.getBoolean("placeEntities"));
}
if (tag.contains("blacklist", 9)) {
ListTag bl = tag.getList("blacklist", 8);
List<Block> blacklist = Lists.newArrayList();
for (Tag b : bl) {
Block block = getBlock(b.asString());
if (block != null) {
blacklist.add(block);
} else {
TranslatableText message =
new TranslatableText("items.structure.spawner.invalid.block",
new LiteralText(b.asString()));
sendPlayerChat(player, message);
}
}
ps.forbidOverwrite(blacklist);
}
ps.setWorld(c.getWorld())
.setSize(x.getSize())
.setMirror(BlockMirror.NONE)
.setRotation(BlockRotation.NONE)
.setChunkPosition(null);
boolean success = false;
try {
if(x.place((ServerWorld)c.getWorld(), loc, loc, ps, c.getWorld().getRandom(), 2))
success = true;
} catch (NullPointerException ignored) {
}
if (success) {
c.getStack().decrement(1);
return ActionResult.SUCCESS;
}
TranslatableText message =
new TranslatableText("items.structure.spawner.invalid.location");
sendPlayer(player, message);
return ActionResult.FAIL;
}
return ActionResult.FAIL;
}
private static void sendPlayer(ServerPlayerEntity player, Text message) {
if (player == null)
return;
ServerPlayNetworkHandler connection = player.networkHandler;
TitleS2CPacket packet = new TitleS2CPacket(TitleS2CPacket.Action.SUBTITLE, message);
connection.sendPacket(packet);
packet = new TitleS2CPacket(TitleS2CPacket.Action.TITLE, new LiteralText(""));
connection.sendPacket(packet);
}
private static void sendPlayerChat(ServerPlayerEntity player, Text message) {
if (player != null)
player.sendMessage(message, false);
LOGGER.info(message.asString());
}
private BlockPos getDirectionalOffset(Direction direction, BlockPos size) {
BlockPos loc = new BlockPos(0, 0, 0);
switch (direction) {
case WEST:
loc = loc.offset(Direction.NORTH, size.getZ() / 2);
loc = loc.offset(Direction.WEST, size.getX() - 1);
break;
case EAST: //positive x
loc = loc.offset(Direction.NORTH, size.getZ() / 2);
break;
case NORTH:
loc = loc.offset(Direction.NORTH, size.getZ() - 1);
loc = loc.offset(Direction.WEST, size.getX() / 2);
break;
case SOUTH: //positive z
loc = loc.offset(Direction.WEST, size.getX() / 2);
break;
case UP: //positive y
loc = loc.offset(Direction.NORTH, size.getZ() / 2);
loc = loc.offset(Direction.WEST, size.getX() / 2);
loc = loc.offset(Direction.UP);
break;
case DOWN:
loc = loc.offset(Direction.NORTH, size.getZ() / 2);
loc = loc.offset(Direction.WEST, size.getX() / 2);
loc = loc.offset(Direction.DOWN, size.getY());
break;
}
return loc;
}
private Block getBlock(String loc) {
Identifier location = Identifier.tryParse(loc);
DefaultedRegistry<Block> blocks = Registry.BLOCK;
if (location == null) {
return null;
}
return blocks.get(location);
}
}