NaturesAura/src/main/java/de/ellpeck/naturesaura/items/ItemRangeVisualizer.java

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package de.ellpeck.naturesaura.items;
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import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.ListMultimap;
import de.ellpeck.naturesaura.NaturesAura;
import de.ellpeck.naturesaura.api.render.IVisualizable;
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import net.minecraft.block.Block;
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import net.minecraft.block.BlockState;
import net.minecraft.entity.Entity;
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import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.item.ItemStack;
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import net.minecraft.item.ItemUseContext;
import net.minecraft.util.ActionResult;
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import net.minecraft.util.ActionResultType;
import net.minecraft.util.Hand;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.util.text.TranslationTextComponent;
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import net.minecraft.world.World;
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import net.minecraft.world.dimension.DimensionType;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.entity.player.PlayerInteractEvent;
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import net.minecraftforge.eventbus.api.SubscribeEvent;
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public class ItemRangeVisualizer extends ItemImpl {
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public static final ListMultimap<DimensionType, BlockPos> VISUALIZED_BLOCKS = ArrayListMultimap.create();
public static final ListMultimap<DimensionType, Entity> VISUALIZED_ENTITIES = ArrayListMultimap.create();
public static final ListMultimap<DimensionType, BlockPos> VISUALIZED_RAILS = ArrayListMultimap.create();
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public ItemRangeVisualizer() {
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super("range_visualizer", new Properties().maxStackSize(1));
MinecraftForge.EVENT_BUS.register(new EventHandler());
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}
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public static void clear() {
if (!VISUALIZED_BLOCKS.isEmpty())
VISUALIZED_BLOCKS.clear();
if (!VISUALIZED_ENTITIES.isEmpty())
VISUALIZED_ENTITIES.clear();
if (!VISUALIZED_RAILS.isEmpty())
VISUALIZED_RAILS.clear();
}
public static <T> void visualize(PlayerEntity player, ListMultimap<DimensionType, T> map, DimensionType dim, T value) {
if (map.containsEntry(dim, value)) {
map.remove(dim, value);
player.sendStatusMessage(new TranslationTextComponent("info." + NaturesAura.MOD_ID + ".range_visualizer.end"), true);
} else {
map.put(dim, value);
player.sendStatusMessage(new TranslationTextComponent("info." + NaturesAura.MOD_ID + ".range_visualizer.start"), true);
}
}
@Override
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public ActionResult<ItemStack> onItemRightClick(World worldIn, PlayerEntity playerIn, Hand handIn) {
ItemStack stack = playerIn.getHeldItem(handIn);
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if (playerIn.isShiftKeyDown()) {
clear();
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playerIn.sendStatusMessage(new TranslationTextComponent("info." + NaturesAura.MOD_ID + ".range_visualizer.end_all"), true);
return new ActionResult<>(ActionResultType.SUCCESS, stack);
}
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return new ActionResult<>(ActionResultType.PASS, stack);
}
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@Override
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public ActionResultType onItemUse(ItemUseContext context) {
World world = context.getWorld();
BlockPos pos = context.getPos();
BlockState state = world.getBlockState(pos);
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Block block = state.getBlock();
if (block instanceof IVisualizable) {
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if (world.isRemote)
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visualize(context.getPlayer(), VISUALIZED_BLOCKS, world.getDimension().getType(), pos);
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return ActionResultType.SUCCESS;
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}
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return ActionResultType.PASS;
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}
public class EventHandler {
@SubscribeEvent
public void onInteract(PlayerInteractEvent.EntityInteractSpecific event) {
ItemStack stack = event.getItemStack();
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if (stack.isEmpty() || stack.getItem() != ItemRangeVisualizer.this)
return;
Entity entity = event.getTarget();
if (entity instanceof IVisualizable) {
if (entity.world.isRemote) {
DimensionType dim = entity.world.getDimension().getType();
visualize(event.getPlayer(), VISUALIZED_ENTITIES, dim, entity);
}
event.getPlayer().swingArm(event.getHand());
event.setCancellationResult(ActionResultType.SUCCESS);
event.setCanceled(true);
}
}
}
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}