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Improve listeners performances

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This should slightly improve performances, especially with a lot of shops.
Now shops are updated only on block changes and not every move event.
It also uses distanceSquared instead of distance to avoid sqrt operations.
This commit is contained in:
MineTheCube 2016-08-18 02:14:59 +02:00
parent be52d2c623
commit c2b6281410
3 changed files with 46 additions and 26 deletions
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11
src/main/java/de/epiceric/shopchest/listeners/HologramUpdateListener.java
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@ -20,8 +20,17 @@ public class HologramUpdateListener implements Listener {
@EventHandler
public void onPlayerMove(PlayerMoveEvent e) {
if (e.getFrom().getBlockX() == e.getTo().getBlockX()
&& e.getFrom().getBlockZ() == e.getTo().getBlockZ()
&& e.getFrom().getBlockY() == e.getTo().getBlockY()) {
return;
}
Player p = e.getPlayer();
Location playerLocation = p.getLocation();
double hologramDistanceSquared = plugin.getShopChestConfig().maximal_distance;
hologramDistanceSquared *= hologramDistanceSquared;
for (Shop shop : plugin.getShopUtils().getShops()) {
Block b = shop.getLocation().getBlock();
@ -36,7 +45,7 @@ public class HologramUpdateListener implements Listener {
Location shopLocation = shop.getLocation();
if (playerLocation.getWorld().equals(shopLocation.getWorld())) {
if (playerLocation.distance(shop.getHologram().getLocation()) <= plugin.getShopChestConfig().maximal_distance) {
if (playerLocation.distanceSquared(shop.getHologram().getLocation()) <= hologramDistanceSquared) {
if (!shop.getHologram().isVisible(p)) {
shop.getHologram().showPlayer(p);
}

61
src/main/java/de/epiceric/shopchest/listeners/ShopItemListener.java
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@ -4,7 +4,9 @@ import de.epiceric.shopchest.ShopChest;
import de.epiceric.shopchest.shop.Shop;
import de.epiceric.shopchest.utils.ShopUtils;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;
import org.bukkit.block.BlockState;
@ -25,38 +27,26 @@ public class ShopItemListener implements Listener {
this.shopUtils = plugin.getShopUtils();
}
@EventHandler
@EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
public void onPlayerMove(PlayerMoveEvent e) {
Player p = e.getPlayer();
for (Shop shop : shopUtils.getShops()) {
if (shop.getLocation().distance(p.getLocation()) <= plugin.getShopChestConfig().maximal_item_distance) {
shop.getItem().setVisible(p, true);
} else {
shop.getItem().setVisible(p, false);
}
}
if (e.getFrom().getBlockX() == e.getTo().getBlockX()
&& e.getFrom().getBlockZ() == e.getTo().getBlockZ()
&& e.getFrom().getBlockY() == e.getTo().getBlockY()) {
return;
}
@EventHandler
updateShopVisibility(e.getPlayer(), true);
}
@EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
public void onPlayerTeleport(PlayerTeleportEvent e) {
Player p = e.getPlayer();
for (Shop shop : shopUtils.getShops()) {
if (shop.getLocation().distance(e.getTo()) <= plugin.getShopChestConfig().maximal_item_distance) {
shop.getItem().setVisible(p, true);
} else {
shop.getItem().setVisible(p, false);
}
}
updateShopVisibility(e.getPlayer(), true, e.getTo());
}
@EventHandler
public void onPlayerJoin(final PlayerJoinEvent e) {
Player p = e.getPlayer();
for (Shop shop : shopUtils.getShops()) {
if (shop.getLocation().distance(p.getLocation()) <= plugin.getShopChestConfig().maximal_item_distance) {
shop.getItem().setVisible(p, true);
}
}
public void onPlayerJoin(PlayerJoinEvent e) {
updateShopVisibility(e.getPlayer(), false);
}
@EventHandler
@ -66,6 +56,27 @@ public class ShopItemListener implements Listener {
}
}
private void updateShopVisibility(Player p, boolean hideIfAway) {
updateShopVisibility(p, hideIfAway, p.getLocation());
}
private void updateShopVisibility(Player p, boolean hideIfAway, Location playerLocation) {
double itemDistanceSquared = plugin.getShopChestConfig().maximal_item_distance;
itemDistanceSquared *= itemDistanceSquared;
World w = p.getWorld();
for (Shop shop : shopUtils.getShops()) {
Location shopLocation = shop.getLocation();
if (w.equals(shopLocation.getWorld()) && shopLocation.distanceSquared(playerLocation) <= itemDistanceSquared) {
shop.getItem().setVisible(p, true);
} else if (hideIfAway) {
shop.getItem().setVisible(p, false);
}
}
}
@EventHandler(priority = EventPriority.HIGH)
public void onBlockPlace(BlockPlaceEvent e) {
Block b = e.getBlockPlaced();

2
src/main/resources/config.yml
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@ -55,7 +55,7 @@ append-potion-level-to-item-name: false
remove-shop-on-error: false
# Set the maximal distance (in blocks) to the shop where the player can see the hologram.
maximal-distance: 1.75
maximal-distance: 2
# Set the maximal distance (in blocks) to the shop where the player can see the floatig shop item.
maximal-item-distance: 40