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Paper/nms-patches/EntityMinecartAbstract.patch

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--- a/net/minecraft/server/EntityMinecartAbstract.java
+++ b/net/minecraft/server/EntityMinecartAbstract.java
@@ -6,6 +6,15 @@
import java.util.List;
import javax.annotation.Nullable;
+// CraftBukkit start
+import org.bukkit.Location;
+import org.bukkit.entity.Vehicle;
+import org.bukkit.event.vehicle.VehicleDamageEvent;
+import org.bukkit.event.vehicle.VehicleDestroyEvent;
+import org.bukkit.event.vehicle.VehicleEntityCollisionEvent;
+import org.bukkit.util.Vector;
+// CraftBukkit end
+
public abstract class EntityMinecartAbstract extends Entity implements INamableTileEntity {
private static final DataWatcherObject<Integer> a = DataWatcher.a(EntityMinecartAbstract.class, DataWatcherRegistry.b);
@@ -23,6 +32,17 @@
private double aA;
private double aB;
+ // CraftBukkit start
+ public boolean slowWhenEmpty = true;
+ private double derailedX = 0.5;
+ private double derailedY = 0.5;
+ private double derailedZ = 0.5;
+ private double flyingX = 0.95;
+ private double flyingY = 0.95;
+ private double flyingZ = 0.95;
+ public double maxSpeed = 0.4D;
+ // CraftBukkit end
+
protected EntityMinecartAbstract(EntityTypes<?> entitytypes, World world) {
super(entitytypes, world);
this.j = true;
@@ -90,6 +110,19 @@
if (this.isInvulnerable(damagesource)) {
return false;
} else {
+ // CraftBukkit start - fire VehicleDamageEvent
+ Vehicle vehicle = (Vehicle) this.getBukkitEntity();
+ org.bukkit.entity.Entity passenger = (damagesource.getEntity() == null) ? null : damagesource.getEntity().getBukkitEntity();
+
+ VehicleDamageEvent event = new VehicleDamageEvent(vehicle, passenger, f);
+ this.world.getServer().getPluginManager().callEvent(event);
+
+ if (event.isCancelled()) {
+ return false;
+ }
+
+ f = (float) event.getDamage();
+ // CraftBukkit end
this.k(-this.u());
this.d(10);
this.aA();
@@ -97,6 +130,15 @@
boolean flag = damagesource.getEntity() instanceof EntityHuman && ((EntityHuman) damagesource.getEntity()).abilities.canInstantlyBuild;
if (flag || this.getDamage() > 40.0F) {
+ // CraftBukkit start
+ VehicleDestroyEvent destroyEvent = new VehicleDestroyEvent(vehicle, passenger);
+ this.world.getServer().getPluginManager().callEvent(destroyEvent);
+
+ if (destroyEvent.isCancelled()) {
+ this.setDamage(40); // Maximize damage so this doesn't get triggered again right away
+ return true;
+ }
+ // CraftBukkit end
this.ejectPassengers();
if (flag && !this.hasCustomName()) {
this.die();
@@ -135,6 +177,14 @@
}
public void tick() {
+ // CraftBukkit start
+ double prevX = this.locX;
+ double prevY = this.locY;
+ double prevZ = this.locZ;
+ float prevYaw = this.yaw;
+ float prevPitch = this.pitch;
+ // CraftBukkit end
+
if (this.getType() > 0) {
this.d(this.getType() - 1);
}
@@ -149,6 +199,8 @@
int i;
+ // CraftBukkit - handled in postTick
+ /*
if (!this.world.isClientSide && this.world instanceof WorldServer) {
this.world.methodProfiler.enter("portal");
MinecraftServer minecraftserver = this.world.getMinecraftServer();
@@ -188,6 +240,7 @@
this.world.methodProfiler.exit();
}
+ */
if (this.world.isClientSide) {
if (this.aw > 0) {
@@ -255,6 +308,18 @@
}
this.setYawPitch(this.yaw, this.pitch);
+ // CraftBukkit start
+ org.bukkit.World bworld = this.world.getWorld();
+ Location from = new Location(bworld, prevX, prevY, prevZ, prevYaw, prevPitch);
+ Location to = new Location(bworld, this.locX, this.locY, this.locZ, this.yaw, this.pitch);
+ Vehicle vehicle = (Vehicle) this.getBukkitEntity();
+
+ this.world.getServer().getPluginManager().callEvent(new org.bukkit.event.vehicle.VehicleUpdateEvent(vehicle));
+
+ if (!from.equals(to)) {
+ this.world.getServer().getPluginManager().callEvent(new org.bukkit.event.vehicle.VehicleMoveEvent(vehicle, from, to));
+ }
+ // CraftBukkit end
if (this.v() == EntityMinecartAbstract.EnumMinecartType.RIDEABLE && this.motX * this.motX + this.motZ * this.motZ > 0.01D) {
List<Entity> list = this.world.getEntities(this, this.getBoundingBox().grow(0.20000000298023224D, 0.0D, 0.20000000298023224D), IEntitySelector.a(this));
@@ -263,8 +328,24 @@
Entity entity = (Entity) list.get(l);
if (!(entity instanceof EntityHuman) && !(entity instanceof EntityIronGolem) && !(entity instanceof EntityMinecartAbstract) && !this.isVehicle() && !entity.isPassenger()) {
+ // CraftBukkit start
+ VehicleEntityCollisionEvent collisionEvent = new VehicleEntityCollisionEvent(vehicle, entity.getBukkitEntity());
+ this.world.getServer().getPluginManager().callEvent(collisionEvent);
+
+ if (collisionEvent.isCancelled()) {
+ continue;
+ }
+ // CraftBukkit end
entity.startRiding(this);
} else {
+ // CraftBukkit start
+ VehicleEntityCollisionEvent collisionEvent = new VehicleEntityCollisionEvent(vehicle, entity.getBukkitEntity());
+ this.world.getServer().getPluginManager().callEvent(collisionEvent);
+
+ if (collisionEvent.isCancelled()) {
+ continue;
+ }
+ // CraftBukkit end
entity.collide(this);
}
}
@@ -276,6 +357,14 @@
Entity entity1 = (Entity) iterator.next();
if (!this.w(entity1) && entity1.isCollidable() && entity1 instanceof EntityMinecartAbstract) {
+ // CraftBukkit start
+ VehicleEntityCollisionEvent collisionEvent = new VehicleEntityCollisionEvent(vehicle, entity1.getBukkitEntity());
+ this.world.getServer().getPluginManager().callEvent(collisionEvent);
+
+ if (collisionEvent.isCancelled()) {
+ continue;
+ }
+ // CraftBukkit end
entity1.collide(this);
}
}
@@ -286,7 +375,7 @@
}
protected double p() {
- return 0.4D;
+ return this.maxSpeed; // CraftBukkit
}
public void a(int i, int j, int k, boolean flag) {}
@@ -297,16 +386,20 @@
this.motX = MathHelper.a(this.motX, -d0, d0);
this.motZ = MathHelper.a(this.motZ, -d0, d0);
if (this.onGround) {
- this.motX *= 0.5D;
- this.motY *= 0.5D;
- this.motZ *= 0.5D;
+ // CraftBukkit start - replace magic numbers with our variables
+ this.motX *= this.derailedX;
+ this.motY *= this.derailedY;
+ this.motZ *= this.derailedZ;
+ // CraftBukkit end
}
this.move(EnumMoveType.SELF, this.motX, this.motY, this.motZ);
if (!this.onGround) {
- this.motX *= 0.949999988079071D;
- this.motY *= 0.949999988079071D;
- this.motZ *= 0.949999988079071D;
+ // CraftBukkit start - replace magic numbers with our variables
+ this.motX *= this.flyingX;
+ this.motY *= this.flyingY;
+ this.motZ *= this.flyingZ;
+ // CraftBukkit end
}
}
@@ -491,7 +584,7 @@
}
protected void r() {
- if (this.isVehicle()) {
+ if (this.isVehicle() || !this.slowWhenEmpty) { // CraftBukkit - add !this.slowWhenEmpty
this.motX *= 0.996999979019165D;
this.motY *= 0.0D;
this.motZ *= 0.996999979019165D;
@@ -588,6 +681,14 @@
if (!this.world.isClientSide) {
if (!entity.noclip && !this.noclip) {
if (!this.w(entity)) {
+ // CraftBukkit start
+ VehicleEntityCollisionEvent collisionEvent = new VehicleEntityCollisionEvent((Vehicle) this.getBukkitEntity(), entity.getBukkitEntity());
+ this.world.getServer().getPluginManager().callEvent(collisionEvent);
+
+ if (collisionEvent.isCancelled()) {
+ return;
+ }
+ // CraftBukkit end
double d0 = entity.locX - this.locX;
double d1 = entity.locZ - this.locZ;
double d2 = d0 * d0 + d1 * d1;
@@ -734,4 +835,26 @@
return this.i;
}
}
+
+ // CraftBukkit start - Methods for getting and setting flying and derailed velocity modifiers
+ public Vector getFlyingVelocityMod() {
+ return new Vector(flyingX, flyingY, flyingZ);
+ }
+
+ public void setFlyingVelocityMod(Vector flying) {
+ flyingX = flying.getX();
+ flyingY = flying.getY();
+ flyingZ = flying.getZ();
+ }
+
+ public Vector getDerailedVelocityMod() {
+ return new Vector(derailedX, derailedY, derailedZ);
+ }
+
+ public void setDerailedVelocityMod(Vector derailed) {
+ derailedX = derailed.getX();
+ derailedY = derailed.getY();
+ derailedZ = derailed.getZ();
+ }
+ // CraftBukkit end
}
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