EpicKnarvik97/PlotSquared
EpicKnarvik97/PlotSquared
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Code Issues Projects Releases Wiki Activity

Experimental TNT protection

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This commit is contained in:
boy0001 2015-03-28 01:58:08 +11:00
parent 348fb9cb1b
commit 1aac1f40da
2 changed files with 121 additions and 0 deletions
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2
PlotSquared/src/main/java/com/intellectualcrafters/plot/BukkitMain.java
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@ -35,6 +35,7 @@ import com.intellectualcrafters.plot.listeners.InventoryListener;
import com.intellectualcrafters.plot.listeners.PlayerEvents;
import com.intellectualcrafters.plot.listeners.PlayerEvents_1_8;
import com.intellectualcrafters.plot.listeners.PlotPlusListener;
import com.intellectualcrafters.plot.listeners.TNTListener;
import com.intellectualcrafters.plot.listeners.WorldEditListener;
import com.intellectualcrafters.plot.listeners.WorldEvents;
import com.intellectualcrafters.plot.titles.AbstractTitle;
@ -109,6 +110,7 @@ public class BukkitMain extends JavaPlugin implements Listener, IPlotMain {
Bukkit.getServer().unloadWorld(world, true);
}
}
getServer().getPluginManager().registerEvents(new TNTListener(), this);
}
@Override

119
PlotSquared/src/main/java/com/intellectualcrafters/plot/listeners/TNTListener.java Normal file
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@ -0,0 +1,119 @@
package com.intellectualcrafters.plot.listeners;
import java.util.List;
import org.bukkit.World;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.TNTPrimed;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.EntityExplodeEvent;
import org.bukkit.event.entity.ExplosionPrimeEvent;
import org.bukkit.util.Vector;
import com.intellectualcrafters.plot.PlotSquared;
import com.intellectualcrafters.plot.flag.FlagManager;
import com.intellectualcrafters.plot.object.Location;
import com.intellectualcrafters.plot.object.Plot;
import com.intellectualcrafters.plot.util.MainUtil;
import com.intellectualcrafters.plot.util.bukkit.BukkitUtil;
public class TNTListener implements Listener {
private double lastRadius;
@EventHandler
public void onPrime(ExplosionPrimeEvent event) {
lastRadius = event.getRadius() + 1;
}
@EventHandler
public void onExplode(EntityExplodeEvent event) {
Entity entity = event.getEntity();
World world = entity.getWorld();
String worldname = world.getName();
if (!PlotSquared.isPlotWorld(worldname)) {
return;
}
Plot plot = MainUtil.getPlot(BukkitUtil.getLocation(entity));
if (plot == null) {
return;
}
if (!FlagManager.isPlotFlagTrue(plot, "explosion")) {
return;
}
Location bot = MainUtil.getPlotBottomLoc(plot.world, plot.id);
Location top = MainUtil.getPlotTopLoc(plot.world, plot.id);
List<Entity> nearby = entity.getNearbyEntities(lastRadius, lastRadius, lastRadius);
for (Entity near : nearby) {
if (near instanceof TNTPrimed || near.getType() == EntityType.MINECART_TNT) {
Vector velocity = near.getVelocity();
Location loc = BukkitUtil.getLocation(near);
Plot nearPlot = MainUtil.getPlot(loc);
if (!plot.equals(nearPlot)) {
near.setVelocity(new Vector(0, 0, 0));
continue;
}
double vx = velocity.getX();
double vy = velocity.getX();
double vz = velocity.getX();
int dx;
int dz;
if (vx > 0) {
dx = top.getX() - loc.getX();
}
else {
dx = bot.getX() - loc.getX();
}
if (vz > 0) {
dz = top.getZ() - loc.getZ();
}
else {
dz = bot.getZ() - loc.getZ();
}
double s1 = dx / vx;
double s2 = dz / vz;
Vector v1 = new Vector(dx, 0, vz * s1);
Vector v2 = new Vector(vx * s2, 0, dz);
Vector shortest;
if (v1.length() < v2.length()) {
shortest = v1;
}
else {
shortest = v2;
}
Location landing = loc.add(shortest.getBlockX() + 1, 0, shortest.getBlockZ() + 1);
int ty = BukkitUtil.getHeighestBlock(worldname, landing.getX(), landing.getZ());
int diff = ty - loc.getY();
double calcDiff = getY(velocity, Math.sqrt(shortest.getBlockX() * shortest.getBlockX() + shortest.getBlockZ() * shortest.getBlockZ()));
if (calcDiff > diff) {
near.setVelocity(new Vector(0, 0, 0));
}
}
}
event.getEntity().setVelocity(new Vector(0, 0, 0));
}
public double getY(Vector velocity, double x) {
double g = 16;
double l1 = velocity.length();
double l2 = Math.sqrt(velocity.getX() * velocity.getX() + velocity.getZ() * velocity.getZ());
double v = l1 * 20;
double theta = Math.acos(l2/l1);
if (velocity.getY() < 0) {
theta = -theta;
}
double cos = Math.cos(theta);
double yDiff = (x * Math.tan(theta)) - ((g * x * x) / (2 * (v * v * cos * cos)));
return yDiff;
}
}