GabrielTofvesson/SpigotInvTweaks
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Implement ghost-click

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This commit is contained in:
Gabriel Tofvesson 2021-06-20 18:05:34 +02:00
parent a22b4c715d
commit f7d9b7f30d
2 changed files with 102 additions and 0 deletions
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1
src/dev/w1zzrd/invtweaks/InvTweaksPlugin.java
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@ -133,6 +133,7 @@ public final class InvTweaksPlugin extends JavaPlugin {
private void initEvents() {
final PluginManager pluginManager = getServer().getPluginManager();
pluginManager.registerEvents(new GhostClickListener(), this);
pluginManager.registerEvents(new StackReplaceListener(this), this);
pluginManager.registerEvents(new SortListener(), this);
pluginManager.registerEvents(new MagnetismListener(magnetCommandExecutor), this);

101
src/dev/w1zzrd/invtweaks/listener/GhostClickListener.java Normal file
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@ -0,0 +1,101 @@
package dev.w1zzrd.invtweaks.listener;
import dev.w1zzrd.invtweaks.InvTweaksPlugin;
import net.minecraft.core.BlockPosition;
import net.minecraft.core.EnumDirection;
import net.minecraft.world.EnumHand;
import net.minecraft.world.phys.MovingObjectPositionBlock;
import net.minecraft.world.phys.Vec3D;
import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerInteractEntityEvent;
import org.bukkit.inventory.EquipmentSlot;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
public class GhostClickListener implements Listener {
@EventHandler(priority = EventPriority.LOWEST)
public void onEntityClick(final PlayerInteractEntityEvent clickEvent) {
if (clickEvent.getPlayer().getInventory().getItemInMainHand().getType() == Material.AIR &&
clickEvent.getPlayer().getInventory().getItemInOffHand().getType() == Material.AIR &&
clickEvent.getHand() == EquipmentSlot.HAND) {
final Block b = clickEvent.getPlayer().getTargetBlockExact(6);
if (b != null) {
try {
final Method getNMS = findDeclaredMethod(b.getClass(), "getNMS");
if (getNMS == null) {
Bukkit.getLogger().warning(InvTweaksPlugin.LOG_PLUGIN_NAME + " Cannot find NMS getter for blocks: ghost click will not function!");
return;
}
getNMS.setAccessible(true);
final Object nmsBlock = getNMS.invoke(b);
final Method interact = findDeclaredMethod(nmsBlock.getClass(), "interact");
if (interact == null) {
Bukkit.getLogger().warning(InvTweaksPlugin.LOG_PLUGIN_NAME + " Cannot find interact method for blocks: ghost click will not function!");
return;
}
interact.setAccessible(true);
final Field world = findDeclaredField(b.getClass(), "world");
if (world == null) {
Bukkit.getLogger().warning(InvTweaksPlugin.LOG_PLUGIN_NAME + " Cannot find world field for blocks: ghost click will not function!");
return;
}
world.setAccessible(true);
final Field entity = findDeclaredField(clickEvent.getPlayer().getClass(), "entity");
if (entity == null) {
Bukkit.getLogger().warning(InvTweaksPlugin.LOG_PLUGIN_NAME + " Cannot find entity field for players: ghost click will not function!");
return;
}
entity.setAccessible(true);
final BlockPosition pos = new BlockPosition(b.getX(), b.getY(), b.getZ());
interact.invoke(
nmsBlock,
world.get(b),
entity.get(clickEvent.getPlayer()),
EnumHand.a,
MovingObjectPositionBlock.a(
new Vec3D(clickEvent.getPlayer().getLocation().getX(), clickEvent.getPlayer().getLocation().getY(), clickEvent.getPlayer().getLocation().getZ()),
EnumDirection.e,
pos
)
);
} catch (IllegalAccessException | InvocationTargetException e) {
e.printStackTrace();
}
}
}
}
private static Method findDeclaredMethod(Class<?> start, final String name) {
do {
for (final Method check : start.getDeclaredMethods())
if (check.getName().equals(name))
return check;
start = start.getSuperclass();
} while(start != null);
return null;
}
private static Field findDeclaredField(Class<?> start, final String name) {
do {
for (final Field check : start.getDeclaredFields())
if (check.getName().equals(name))
return check;
start = start.getSuperclass();
} while(start != null);
return null;
}
}