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MidnightTale 2023-04-11 18:35:30 +07:00
commit 0c6f01972f
1 changed files with 40 additions and 14 deletions
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src/main/java/xyz/hynse/bbsdfia/Bbsdfia.java
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@ -12,72 +12,98 @@ import org.bukkit.event.entity.EntityChangeBlockEvent;
import org.bukkit.plugin.java.JavaPlugin; import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.util.Vector; import org.bukkit.util.Vector;
public class Bbsdfia extends JavaPlugin implements Listener { public class Bbsdfia extends JavaPlugin implements Listener {
// This method is called when the plugin is enabled
@Override @Override
public void onEnable() { public void onEnable() {
super.onEnable(); super.onEnable();
// Register the plugin to listen to events
getServer().getPluginManager().registerEvents(this, this); getServer().getPluginManager().registerEvents(this, this);
// Log that the plugin has started
getServer().getLogger().info("Bbsdfia plugin started"); getServer().getLogger().info("Bbsdfia plugin started");
} }
// This method is called when the plugin is disabled
@Override @Override
public void onDisable() { public void onDisable() {
super.onDisable(); super.onDisable();
// Log that the plugin has stopped
getServer().getLogger().info("Bbsdfia plugin stopped"); getServer().getLogger().info("Bbsdfia plugin stopped");
} }
// This method is called when a falling block entity changes its block
// Register the method as an event handler for the EntityChangeBlockEvent
@EventHandler @EventHandler
public void onFallingBlockToBlock(EntityChangeBlockEvent e){ public void onFallingBlockToBlock(EntityChangeBlockEvent e) {
if(e.getEntityType() == EntityType.FALLING_BLOCK){ // Check if the entity is a falling block
if (e.getEntityType() == EntityType.FALLING_BLOCK) {
// Get the entity and its location and velocity
Entity entity = e.getEntity(); Entity entity = e.getEntity();
Location loc = entity.getLocation(); Location loc = entity.getLocation();
Vector vel = entity.getVelocity(); Vector vel = entity.getVelocity();
// Get the block that the entity is moving towards
Block movingTo = getBlockMovingTo(loc, vel); Block movingTo = getBlockMovingTo(loc, vel);
if(movingTo != null && movingTo.getType() == Material.END_PORTAL){ // If the block it's moving towards is an end portal block
if (movingTo != null && movingTo.getType() == Material.END_PORTAL) {
// Get the location of the block and center it
Location spawnLoc = movingTo.getLocation(); Location spawnLoc = movingTo.getLocation();
spawnLoc.setX(spawnLoc.getX()+0.5); spawnLoc.setX(spawnLoc.getX() + 0.5);
spawnLoc.setY(spawnLoc.getY()+0.5); spawnLoc.setY(spawnLoc.getY() + 0.5);
spawnLoc.setZ(spawnLoc.getZ()+0.5); spawnLoc.setZ(spawnLoc.getZ() + 0.5);
// Spawn a new falling block entity at the center of the end portal block
FallingBlock dummy = loc.getWorld().spawnFallingBlock(spawnLoc, ((FallingBlock) entity).getBlockData()); FallingBlock dummy = loc.getWorld().spawnFallingBlock(spawnLoc, ((FallingBlock) entity).getBlockData());
// Copy the velocity of the original entity and invert the y component
Vector dummyVel = vel.clone(); Vector dummyVel = vel.clone();
dummyVel.setY(-dummyVel.getY()); dummyVel.setY(-dummyVel.getY());
dummyVel.multiply(new Vector(2, 2, 2)); // double the velocity
// add a constant downward velocity to simulate gravity // Double the velocity of the new entity
dummyVel.multiply(new Vector(2, 2, 2));
// Add a constant downward velocity to simulate gravity
dummyVel.add(new Vector(0, 0.3, 0)); dummyVel.add(new Vector(0, 0.3, 0));
// Set the velocity of the new entity to the modified velocity
dummy.setVelocity(dummyVel); dummy.setVelocity(dummyVel);
} }
} }
} }
// This function returns the block that the entity is moving towards
Block getBlockMovingTo(Location loc, Vector vel){ Block getBlockMovingTo(Location loc, Vector vel) {
// Initialize variables to keep track of the maximum absolute velocity and its direction
double absMax = 0, max = 0; double absMax = 0, max = 0;
char dir = ' '; char dir = ' ';
Block relative = null; Block relative = null;
if(Math.abs(vel.getX()) > absMax){
// Check which component of the velocity vector has the highest magnitude
if (Math.abs(vel.getX()) > absMax) {
max = vel.getX(); max = vel.getX();
absMax = Math.abs(vel.getX()); absMax = Math.abs(vel.getX());
dir = 'x'; dir = 'x';
} }
if(Math.abs(vel.getY()) > absMax){ if (Math.abs(vel.getY()) > absMax) {
max = vel.getY(); max = vel.getY();
absMax = Math.abs(vel.getY()); absMax = Math.abs(vel.getY());
dir = 'y'; dir = 'y';
} }
if(Math.abs(vel.getZ()) > absMax){ if (Math.abs(vel.getZ()) > absMax) {
max = vel.getZ(); max = vel.getZ();
dir = 'z'; dir = 'z';
} }
// Use the direction with the highest magnitude to determine the block the entity is moving towards
switch (dir) { switch (dir) {
case 'x' -> relative = loc.getBlock().getRelative((int) Math.signum(max), 0, 0); case 'x' -> relative = loc.getBlock().getRelative((int) Math.signum(max), 0, 0);
case 'y' -> relative = loc.getBlock().getRelative(0, (int) Math.signum(max), 0); case 'y' -> relative = loc.getBlock().getRelative(0, (int) Math.signum(max), 0);
case 'z' -> relative = loc.getBlock().getRelative(0, 0, (int) Math.signum(max)); case 'z' -> relative = loc.getBlock().getRelative(0, 0, (int) Math.signum(max));
} }
// Return the block the entity is moving towards
return relative; return relative;
} }
} }