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[Bleeding] Implement new damage api. Fixes BUKKIT-5326, BUKKIT-3878.

Browse source 
This commit centralizes event handling to where damage is actually applied
to the entity to avoid bugs that have resulted from nodamageticks,
modifications to damage after the event has been called, and similar
mishaps. This also implements new API for getting and setting of
modifications made to the damage amount actually applied to the entity.
This is done by storing the change in the damage amount as each modifier
is applied by vanilla code.

The method that actually damages the armor worn by an entity has been
relocated beneath the event called as to not apply durability loss when
the event has been cancelled.
This commit is contained in:
t00thpick1 2014-06-19 14:38:45 -04:00 committed by Wesley Wolfe
parent bed3f7f8f5
commit 6f21d3ca8f
12 changed files with 264 additions and 224 deletions
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22
src/main/java/net/minecraft/server/BlockCactus.java
View file

@ -2,7 +2,7 @@ package net.minecraft.server;
import java.util.Random;
import org.bukkit.event.entity.EntityDamageByBlockEvent; // CraftBukkit
import org.bukkit.craftbukkit.event.CraftEventFactory; // CraftBukkit
public class BlockCactus extends Block {
@ -24,7 +24,7 @@ public class BlockCactus extends Block {
int i1 = world.getData(i, j, k);
if (i1 == 15) {
org.bukkit.craftbukkit.event.CraftEventFactory.handleBlockGrowEvent(world, i, j + 1, k, this, 0); // CraftBukkit
CraftEventFactory.handleBlockGrowEvent(world, i, j + 1, k, this, 0); // CraftBukkit
world.setData(i, j, k, 0, 4);
this.doPhysics(world, i, j + 1, k, this);
} else {
@ -79,22 +79,8 @@ public class BlockCactus extends Block {
}
public void a(World world, int i, int j, int k, Entity entity) {
// CraftBukkit start - EntityDamageByBlock event
if (entity instanceof EntityLiving) {
org.bukkit.block.Block damager = world.getWorld().getBlockAt(i, j, k);
org.bukkit.entity.Entity damagee = (entity == null) ? null : entity.getBukkitEntity();
EntityDamageByBlockEvent event = new EntityDamageByBlockEvent(damager, damagee, org.bukkit.event.entity.EntityDamageEvent.DamageCause.CONTACT, 1D);
world.getServer().getPluginManager().callEvent(event);
if (!event.isCancelled()) {
damagee.setLastDamageCause(event);
entity.damageEntity(DamageSource.CACTUS, (float) event.getDamage());
}
return;
}
// CraftBukkit end
CraftEventFactory.blockDamage = world.getWorld().getBlockAt(i, j, k); // CraftBukkit
entity.damageEntity(DamageSource.CACTUS, 1.0F);
CraftEventFactory.blockDamage = null; // CraftBukkit
}
}

35
src/main/java/net/minecraft/server/Entity.java
View file

@ -24,9 +24,8 @@ import org.bukkit.event.vehicle.VehicleExitEvent;
import org.bukkit.craftbukkit.CraftWorld;
import org.bukkit.craftbukkit.entity.CraftEntity;
import org.bukkit.craftbukkit.entity.CraftPlayer;
import org.bukkit.craftbukkit.event.CraftEventFactory;
import org.bukkit.event.entity.EntityCombustEvent;
import org.bukkit.event.entity.EntityDamageByBlockEvent;
import org.bukkit.event.entity.EntityDamageEvent;
import org.bukkit.event.entity.EntityPortalEvent;
import org.bukkit.plugin.PluginManager;
// CraftBukkit end
@ -349,26 +348,17 @@ public abstract class Entity {
protected void D() {
if (!this.fireProof) {
this.damageEntity(DamageSource.LAVA, 4);
// CraftBukkit start - Fallen in lava TODO: this event spams!
if (this instanceof EntityLiving) {
Server server = this.world.getServer();
// TODO: shouldn't be sending null for the block.
org.bukkit.block.Block damager = null; // ((WorldServer) this.l).getWorld().getBlockAt(i, j, k);
org.bukkit.entity.Entity damagee = this.getBukkitEntity();
EntityDamageByBlockEvent event = new EntityDamageByBlockEvent(damager, damagee, EntityDamageEvent.DamageCause.LAVA, 4D);
server.getPluginManager().callEvent(event);
if (!event.isCancelled()) {
damagee.setLastDamageCause(event);
this.damageEntity(DamageSource.LAVA, (float) event.getDamage());
}
if (this.fireTicks <= 0) {
// not on fire yet
// TODO: shouldn't be sending null for the block.
org.bukkit.block.Block damager = null; // ((WorldServer) this.l).getWorld().getBlockAt(i, j, k);
org.bukkit.entity.Entity damagee = this.getBukkitEntity();
EntityCombustEvent combustEvent = new org.bukkit.event.entity.EntityCombustByBlockEvent(damager, damagee, 15);
server.getPluginManager().callEvent(combustEvent);
this.world.getServer().getPluginManager().callEvent(combustEvent);
if (!combustEvent.isCancelled()) {
this.setOnFire(combustEvent.getDuration());
@ -381,7 +371,6 @@ public abstract class Entity {
}
// CraftBukkit end - we also don't throw an event unless the object in lava is living, to save on some event calls
this.damageEntity(DamageSource.LAVA, 4);
this.setOnFire(15);
}
}
@ -1617,12 +1606,14 @@ public abstract class Entity {
}
}
EntityDamageEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callEntityDamageEvent(entitylightning, this, EntityDamageEvent.DamageCause.LIGHTNING, 5D);
if (event.isCancelled()) {
if (this.fireProof) {
return;
}
CraftEventFactory.entityDamage = entitylightning;
if (!this.damageEntity(DamageSource.FIRE, 5.0F)) {
CraftEventFactory.entityDamage = null;
return;
}
this.burn((float) event.getDamage());
// CraftBukkit end
++this.fireTicks;

14
src/main/java/net/minecraft/server/EntityEnderDragon.java
View file

@ -5,9 +5,9 @@ import java.util.List;
// CraftBukkit start
import org.bukkit.block.BlockState;
import org.bukkit.craftbukkit.event.CraftEventFactory;
import org.bukkit.craftbukkit.util.BlockStateListPopulator;
import org.bukkit.event.entity.EntityCreatePortalEvent;
import org.bukkit.event.entity.EntityDamageEvent;
import org.bukkit.event.entity.EntityExplodeEvent;
import org.bukkit.event.entity.EntityRegainHealthEvent;
import org.bukkit.event.entity.EntityTargetEvent;
@ -302,15 +302,9 @@ public class EntityEnderDragon extends EntityInsentient implements IComplex, IMo
if (this.bC != null) {
if (this.bC.dead) {
if (!this.world.isStatic) {
// CraftBukkit start
EntityDamageEvent event = new EntityDamageEvent(this.getBukkitEntity(), org.bukkit.event.entity.EntityDamageEvent.DamageCause.ENTITY_EXPLOSION, 10.0F);
Bukkit.getPluginManager().callEvent(event);
if (!event.isCancelled()) {
getBukkitEntity().setLastDamageCause(event);
this.a(this.bq, DamageSource.explosion((Explosion) null), (float) event.getDamage());
}
// CraftBukkit end
CraftEventFactory.entityDamage = this.bC; // CraftBukkit
this.a(this.bq, DamageSource.explosion((Explosion) null), 10.0F);
CraftEventFactory.entityDamage = null; // CraftBukkit
}
this.bC = null;

14
src/main/java/net/minecraft/server/EntityEnderPearl.java
View file

@ -2,7 +2,7 @@ package net.minecraft.server;
// CraftBukkit start
import org.bukkit.Bukkit;
import org.bukkit.event.entity.EntityDamageByEntityEvent;
import org.bukkit.craftbukkit.event.CraftEventFactory;
import org.bukkit.event.player.PlayerTeleportEvent;
// CraftBukkit end
@ -42,15 +42,9 @@ public class EntityEnderPearl extends EntityProjectile {
if (!teleEvent.isCancelled() && !entityplayer.playerConnection.isDisconnected()) {
entityplayer.playerConnection.teleport(teleEvent.getTo());
this.getShooter().fallDistance = 0.0F;
EntityDamageByEntityEvent damageEvent = new EntityDamageByEntityEvent(this.getBukkitEntity(), player, EntityDamageByEntityEvent.DamageCause.FALL, 5.0D);
Bukkit.getPluginManager().callEvent(damageEvent);
if (!damageEvent.isCancelled() && !entityplayer.playerConnection.isDisconnected()) {
entityplayer.invulnerableTicks = -1; // Remove spawning invulnerability
player.setLastDamageCause(damageEvent);
entityplayer.damageEntity(DamageSource.FALL, (float) damageEvent.getDamage());
}
CraftEventFactory.entityDamage = this;
this.getShooter().damageEntity(DamageSource.FALL, 5.0F);
CraftEventFactory.entityDamage = null;
}
// CraftBukkit end
}

18
src/main/java/net/minecraft/server/EntityFallingBlock.java
View file

@ -3,10 +3,7 @@ package net.minecraft.server;
import java.util.ArrayList;
import java.util.Iterator;
// CraftBukkit start
import org.bukkit.craftbukkit.event.CraftEventFactory;
import org.bukkit.event.entity.EntityDamageEvent;
// CraftBukkit end
import org.bukkit.craftbukkit.event.CraftEventFactory; // CraftBukkit
public class EntityFallingBlock extends Entity {
@ -156,16 +153,9 @@ public class EntityFallingBlock extends Entity {
while (iterator.hasNext()) {
Entity entity = (Entity) iterator.next();
// CraftBukkit start
float damage = (float) Math.min(MathHelper.d((float) i * this.fallHurtAmount), this.fallHurtMax);
EntityDamageEvent event = CraftEventFactory.callEntityDamageEvent(this, entity, EntityDamageEvent.DamageCause.FALLING_BLOCK, damage);
if (event.isCancelled()) {
continue;
}
entity.damageEntity(damagesource, (float) event.getDamage());
// CraftBukkit end
CraftEventFactory.entityDamage = this; // CraftBukkit
entity.damageEntity(damagesource, (float) Math.min(MathHelper.d((float) i * this.fallHurtAmount), this.fallHurtMax));
CraftEventFactory.entityDamage = null; // CraftBukkit
}
if (flag && (double) this.random.nextFloat() < 0.05000000074505806D + (double) i * 0.05D) {

10
src/main/java/net/minecraft/server/EntityFireball.java
View file

@ -2,7 +2,7 @@ package net.minecraft.server;
import java.util.List;
import org.bukkit.event.entity.EntityDamageByEntityEvent; // CraftBukkit
import org.bukkit.craftbukkit.event.CraftEventFactory; // CraftBukkit
public abstract class EntityFireball extends Entity {
@ -132,7 +132,7 @@ public abstract class EntityFireball extends Entity {
// CraftBukkit start - Fire ProjectileHitEvent
if (this.dead) {
org.bukkit.craftbukkit.event.CraftEventFactory.callProjectileHitEvent(this);
CraftEventFactory.callProjectileHitEvent(this);
}
// CraftBukkit end
}
@ -235,11 +235,7 @@ public abstract class EntityFireball extends Entity {
this.P();
if (damagesource.getEntity() != null) {
// CraftBukkit start
EntityDamageByEntityEvent event = new EntityDamageByEntityEvent(damagesource.getEntity().getBukkitEntity(), this.getBukkitEntity(), org.bukkit.event.entity.EntityDamageEvent.DamageCause.ENTITY_ATTACK, f);
world.getServer().getPluginManager().callEvent(event);
if (event.isCancelled()) {
if (!CraftEventFactory.handleNonLivingEntityDamageEvent(this, damagesource, f)) {
return false;
}
// CraftBukkit end

27
src/main/java/net/minecraft/server/EntityHorse.java
View file

@ -3,11 +3,7 @@ package net.minecraft.server;
import java.util.Iterator;
import java.util.List;
// CraftBukkit start
import org.bukkit.craftbukkit.event.CraftEventFactory;
import org.bukkit.event.entity.EntityDamageEvent;
import org.bukkit.event.entity.EntityRegainHealthEvent.RegainReason;
// CraftBukkit end
import org.bukkit.event.entity.EntityRegainHealthEvent.RegainReason; // CraftBukkit
public class EntityHorse extends EntityAnimal implements IInventoryListener {
@ -294,26 +290,9 @@ public class EntityHorse extends EntityAnimal implements IInventoryListener {
int i = MathHelper.f(f * 0.5F - 3.0F);
if (i > 0) {
// CraftBukkit start - fire EntityDamageEvent
EntityDamageEvent event = CraftEventFactory.callEntityDamageEvent(null, this, EntityDamageEvent.DamageCause.FALL, i);
if (!event.isCancelled()) {
float damage = (float) event.getDamage();
if (damage > 0) {
this.getBukkitEntity().setLastDamageCause(event);
this.damageEntity(DamageSource.FALL, damage);
}
}
this.damageEntity(DamageSource.FALL, (float) i);
if (this.passenger != null) {
EntityDamageEvent passengerEvent = CraftEventFactory.callEntityDamageEvent(null, this.passenger, EntityDamageEvent.DamageCause.FALL, i);
if (!passengerEvent.isCancelled() && this.passenger != null) { // Check again in case of plugin
float damage = (float) passengerEvent.getDamage();
if (damage > 0) {
this.passenger.getBukkitEntity().setLastDamageCause(passengerEvent);
this.passenger.damageEntity(DamageSource.FALL, damage);
}
}
// CraftBukkit end
this.passenger.damageEntity(DamageSource.FALL, (float) i);
}
Block block = this.world.getType(MathHelper.floor(this.locX), MathHelper.floor(this.locY - 0.2D - (double) this.lastYaw), MathHelper.floor(this.locZ));

8
src/main/java/net/minecraft/server/EntityHuman.java
View file

@ -799,7 +799,12 @@ public abstract class EntityHuman extends EntityLiving implements ICommandListen
return (float) i / (float) this.inventory.armor.length;
}
protected void d(DamageSource damagesource, float f) {
// CraftBukkit start
protected boolean d(DamageSource damagesource, float f) { // void -> boolean
if (true) {
return super.d(damagesource, f);
}
// CraftBukkit end
if (!this.isInvulnerable()) {
if (!damagesource.ignoresArmor() && this.isBlocking() && f > 0.0F) {
f = (1.0F + f) * 0.5F;
@ -819,6 +824,7 @@ public abstract class EntityHuman extends EntityLiving implements ICommandListen
this.aV().a(damagesource, f2, f);
}
}
return false; // CraftBukkit
}
public void openFurnace(TileEntityFurnace tileentityfurnace) {}

3
src/main/java/net/minecraft/server/EntityItemFrame.java
View file

@ -24,8 +24,7 @@ public class EntityItemFrame extends EntityHanging {
} else if (this.getItem() != null) {
if (!this.world.isStatic) {
// CraftBukkit start - fire EntityDamageEvent
org.bukkit.event.entity.EntityDamageEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.handleEntityDamageEvent(this, damagesource, f);
if ((event != null && event.isCancelled()) || this.dead) {
if (!org.bukkit.craftbukkit.event.CraftEventFactory.handleNonLivingEntityDamageEvent(this, damagesource, f) || this.dead) {
return true;
}
// CraftBukkit end

125
src/main/java/net/minecraft/server/EntityLiving.java
View file

@ -11,6 +11,7 @@ import java.util.UUID;
import java.util.ArrayList;
import org.bukkit.craftbukkit.event.CraftEventFactory;
import org.bukkit.event.entity.EntityDamageEvent;
import org.bukkit.event.entity.EntityDamageEvent.DamageModifier;
import org.bukkit.event.entity.EntityRegainHealthEvent;
// CraftBukkit end
@ -646,7 +647,8 @@ public abstract class EntityLiving extends Entity {
} else if (damagesource.o() && this.hasEffect(MobEffectList.FIRE_RESISTANCE)) {
return false;
} else {
if ((damagesource == DamageSource.ANVIL || damagesource == DamageSource.FALLING_BLOCK) && this.getEquipment(4) != null) {
// CraftBukkit - Moved into d(DamageSource, float)
if (false && (damagesource == DamageSource.ANVIL || damagesource == DamageSource.FALLING_BLOCK) && this.getEquipment(4) != null) {
this.getEquipment(4).damage((int) (f * 4.0F + this.random.nextFloat() * f * 2.0F), this);
f *= 0.75F;
}
@ -654,29 +656,28 @@ public abstract class EntityLiving extends Entity {
this.aF = 1.5F;
boolean flag = true;
// CraftBukkit start
EntityDamageEvent event = CraftEventFactory.handleEntityDamageEvent(this, damagesource, f);
if (event != null) {
if (event.isCancelled()) {
return false;
}
f = (float) event.getDamage();
}
// CraftBukkit end
if ((float) this.noDamageTicks > (float) this.maxNoDamageTicks / 2.0F) {
if (f <= this.lastDamage) {
return false;
}
this.d(damagesource, f - this.lastDamage);
// CraftBukkit start
if (!this.d(damagesource, f - this.lastDamage)) {
return false;
}
// CraftBukkit end
this.lastDamage = f;
flag = false;
} else {
// CraftBukkit start
float previousHealth = this.getHealth();
if (!this.d(damagesource, f)) {
return false;
}
this.lastDamage = f;
this.aw = this.getHealth();
this.aw = previousHealth;
this.noDamageTicks = this.maxNoDamageTicks;
this.d(damagesource, f);
// CraftBukkit end
this.hurtTicks = this.ay = 10;
}
@ -856,25 +857,16 @@ public abstract class EntityLiving extends Entity {
super.b(f);
MobEffect mobeffect = this.getEffect(MobEffectList.JUMP);
float f1 = mobeffect != null ? (float) (mobeffect.getAmplifier() + 1) : 0.0F;
// CraftBukkit start
float i = MathHelper.f(f - 3.0F - f1);
int i = MathHelper.f(f - 3.0F - f1);
if (i > 0) {
EntityDamageEvent event = CraftEventFactory.callEntityDamageEvent(null, this, EntityDamageEvent.DamageCause.FALL, i);
if (event.isCancelled()) {
// CraftBukkit start
if (!this.damageEntity(DamageSource.FALL, (float) i)) {
return;
}
i = (float) event.getDamage();
if (i > 0) {
this.getBukkitEntity().setLastDamageCause(event);
}
}
// CraftBukkit end
if (i > 0) {
this.makeSound(this.o(org.bukkit.util.NumberConversions.ceil(i)), 1.0F, 1.0F); // CraftBukkit - ceil
this.damageEntity(DamageSource.FALL, (float) i);
// CraftBukkit end
this.makeSound(this.o(i), 1.0F, 1.0F);
// this.damageEntity(DamageSource.FALL, (float) i); // CraftBukkit - moved up
int j = MathHelper.floor(this.locX);
int k = MathHelper.floor(this.locY - 0.20000000298023224D - (double) this.height);
int l = MathHelper.floor(this.locZ);
@ -917,7 +909,7 @@ public abstract class EntityLiving extends Entity {
int i = 25 - this.aU();
float f1 = f * (float) i;
this.h(f);
// this.h(f); // CraftBukkit - Moved into d(DamageSource, float)
f = f1 / 25.0F;
}
@ -936,7 +928,8 @@ public abstract class EntityLiving extends Entity {
int j;
float f1;
if (this.hasEffect(MobEffectList.RESISTANCE) && damagesource != DamageSource.OUT_OF_WORLD) {
// CraftBukkit - Moved to d(DamageSource, float)
if (false && this.hasEffect(MobEffectList.RESISTANCE) && damagesource != DamageSource.OUT_OF_WORLD) {
i = (this.getEffect(MobEffectList.RESISTANCE).getAmplifier() + 1) * 5;
j = 25 - i;
f1 = f * (float) j;
@ -962,22 +955,88 @@ public abstract class EntityLiving extends Entity {
}
}
protected void d(DamageSource damagesource, float f) {
// CraftBukkit start
protected boolean d(DamageSource damagesource, float f) { // void -> boolean
if (!this.isInvulnerable()) {
boolean human = this instanceof EntityHuman;
float originalDamage = f;
float preDamage = f;
float hardHatModifier = 0;
if ((damagesource == DamageSource.ANVIL || damagesource == DamageSource.FALLING_BLOCK) && this.getEquipment(4) != null) {
f *= 0.75F;
hardHatModifier = preDamage - f;
preDamage = f;
}
float blockingModifier = 0;
if (human) {
if (!damagesource.ignoresArmor() && ((EntityHuman) this).isBlocking() && f > 0.0F) {
f = (1.0F + f) * 0.5F;
blockingModifier = preDamage - f;
preDamage = f;
}
}
// Armor modifier
f = this.b(damagesource, f);
float armorModifier = preDamage - f;
preDamage = f;
// Resistance Potion Effect
if (!damagesource.h() && this.hasEffect(MobEffectList.RESISTANCE) && damagesource != DamageSource.OUT_OF_WORLD) {
int i = (this.getEffect(MobEffectList.RESISTANCE).getAmplifier() + 1) * 5;
int j = 25 - i;
float f1 = f * (float) j;
f = f1 / 25.0F;
}
float resistanceModifier = preDamage - f;
preDamage = f;
// Magic modifier
f = this.c(damagesource, f);
float magicModifier = preDamage - f;
float f1 = f;
// Absorption modifier
f = Math.max(f - this.br(), 0.0F);
this.m(this.br() - (f1 - f));
float absorptionModifier = Math.max(f1 - f, 0.0F);
EntityDamageEvent event = CraftEventFactory.handleLivingEntityDamageEvent(this, damagesource, originalDamage, -hardHatModifier, -blockingModifier, -armorModifier, -resistanceModifier, -magicModifier, -absorptionModifier);
if (event.isCancelled()) {
return false;
}
f = (float) event.getFinalDamage();
// Apply damage to helmet
if ((damagesource == DamageSource.ANVIL || damagesource == DamageSource.FALLING_BLOCK) && this.getEquipment(4) != null) {
this.getEquipment(4).damage((int) (event.getDamage() * 4.0F + this.random.nextFloat() * event.getDamage() * 2.0F), this);
}
// Apply damage to armor
if (!damagesource.ignoresArmor()) {
float armorDamage = (float) (event.getDamage() + event.getDamage(DamageModifier.BLOCKING) + event.getDamage(DamageModifier.HARD_HAT));
this.h(armorDamage);
}
absorptionModifier = (float) -event.getDamage(DamageModifier.ABSORPTION);
this.m(Math.max(this.br() - absorptionModifier, 0.0F));
if (f != 0.0F) {
if (human) {
((EntityHuman) this).a(damagesource.f());
}
// CraftBukkit end
float f2 = this.getHealth();
this.setHealth(f2 - f);
this.aV().a(damagesource, f2, f);
// CraftBukkit start
if (human) {
return true;
}
// CraftBukkit end
this.m(this.br() - f);
}
return true; // CraftBukkit
}
return false; // CraftBukkit
}
public CombatTracker aV() {

65
src/main/java/net/minecraft/server/Explosion.java
View file

@ -9,10 +9,7 @@ import java.util.Map;
import java.util.Random;
// CraftBukkit start
import org.bukkit.Bukkit;
import org.bukkit.event.entity.EntityDamageByBlockEvent;
import org.bukkit.event.entity.EntityDamageByEntityEvent;
import org.bukkit.event.entity.EntityDamageEvent;
import org.bukkit.craftbukkit.event.CraftEventFactory;
import org.bukkit.event.entity.EntityExplodeEvent;
import org.bukkit.Location;
// CraftBukkit end
@ -130,55 +127,21 @@ public class Explosion {
double d9 = (double) this.world.a(vec3d, entity.boundingBox);
double d10 = (1.0D - d7) * d9;
// CraftBukkit start - Explosion damage hook
org.bukkit.entity.Entity damagee = (entity == null) ? null : entity.getBukkitEntity();
float damageDone = (float) ((int) ((d10 * d10 + d10) / 2.0D * 8.0D * (double) this.size + 1.0D));
if (damagee == null) {
// nothing was hurt
} else if (this.source == null) { // Block explosion (without an entity source; bed etc.)
EntityDamageByBlockEvent event = new EntityDamageByBlockEvent(null, damagee, EntityDamageEvent.DamageCause.BLOCK_EXPLOSION, damageDone);
Bukkit.getPluginManager().callEvent(event);
if (!event.isCancelled()) {
damagee.setLastDamageCause(event);
entity.damageEntity(DamageSource.explosion(this), (float) event.getDamage());
double d11 = EnchantmentProtection.a(entity, d10);
entity.motX += d0 * d11;
entity.motY += d1 * d11;
entity.motZ += d2 * d11;
if (entity instanceof EntityHuman) {
this.l.put((EntityHuman) entity, Vec3D.a(d0 * d10, d1 * d10, d2 * d10));
}
}
} else {
final org.bukkit.entity.Entity damager = this.source.getBukkitEntity();
final EntityDamageEvent.DamageCause damageCause;
if (damager instanceof org.bukkit.entity.TNTPrimed) {
damageCause = EntityDamageEvent.DamageCause.BLOCK_EXPLOSION;
} else {
damageCause = EntityDamageEvent.DamageCause.ENTITY_EXPLOSION;
}
EntityDamageByEntityEvent event = new EntityDamageByEntityEvent(damager, damagee, damageCause, damageDone);
Bukkit.getPluginManager().callEvent(event);
if (!event.isCancelled()) {
entity.getBukkitEntity().setLastDamageCause(event);
entity.damageEntity(DamageSource.explosion(this), (float) event.getDamage());
double d11 = EnchantmentProtection.a(entity, d10);
entity.motX += d0 * d11;
entity.motY += d1 * d11;
entity.motZ += d2 * d11;
if (entity instanceof EntityHuman) {
this.l.put((EntityHuman) entity, Vec3D.a(d0 * d10, d1 * d10, d2 * d10));
}
}
// CraftBukkit start
CraftEventFactory.entityDamage = source;
if (!entity.damageEntity(DamageSource.explosion(this), (float) ((int) ((d10 * d10 + d10) / 2.0D * 8.0D * (double) this.size + 1.0D)))) {
CraftEventFactory.entityDamage = null;
continue;
}
// CraftBukkit end
double d11 = EnchantmentProtection.a(entity, d10);
entity.motX += d0 * d11;
entity.motY += d1 * d11;
entity.motZ += d2 * d11;
if (entity instanceof EntityHuman) {
this.l.put((EntityHuman) entity, Vec3D.a(d0 * d10, d1 * d10, d2 * d10));
}
}
}
}

147
src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
View file

@ -2,6 +2,8 @@ package org.bukkit.craftbukkit.event;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.EnumMap;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@ -12,6 +14,8 @@ import net.minecraft.server.Entity;
import net.minecraft.server.EntityArrow;
import net.minecraft.server.EntityDamageSource;
import net.minecraft.server.EntityDamageSourceIndirect;
import net.minecraft.server.EntityEnderCrystal;
import net.minecraft.server.EntityEnderDragon;
import net.minecraft.server.EntityHuman;
import net.minecraft.server.EntityInsentient;
import net.minecraft.server.EntityItem;
@ -41,6 +45,7 @@ import org.bukkit.craftbukkit.CraftStatistic;
import org.bukkit.craftbukkit.CraftWorld;
import org.bukkit.craftbukkit.block.CraftBlock;
import org.bukkit.craftbukkit.block.CraftBlockState;
import org.bukkit.craftbukkit.entity.CraftEntity;
import org.bukkit.craftbukkit.entity.CraftLivingEntity;
import org.bukkit.craftbukkit.entity.CraftPlayer;
import org.bukkit.craftbukkit.inventory.CraftInventoryCrafting;
@ -66,6 +71,7 @@ import org.bukkit.event.block.BlockIgniteEvent.IgniteCause;
import org.bukkit.event.entity.*;
import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
import org.bukkit.event.entity.EntityDamageEvent.DamageCause;
import org.bukkit.event.entity.EntityDamageEvent.DamageModifier;
import org.bukkit.event.inventory.InventoryCloseEvent;
import org.bukkit.event.inventory.InventoryOpenEvent;
import org.bukkit.event.inventory.PrepareItemCraftEvent;
@ -74,9 +80,13 @@ import org.bukkit.event.server.ServerListPingEvent;
import org.bukkit.inventory.InventoryView;
import org.bukkit.inventory.meta.BookMeta;
import com.google.common.collect.ImmutableMap;
public class CraftEventFactory {
public static final DamageSource MELTING = CraftDamageSource.copyOf(DamageSource.BURN);
public static final DamageSource POISON = CraftDamageSource.copyOf(DamageSource.MAGIC);
public static org.bukkit.block.Block blockDamage; // For use in EntityDamageByBlockEvent
public static Entity entityDamage; // For use in EntityDamageByEntityEvent
// helper methods
private static boolean canBuild(CraftWorld world, Player player, int x, int z) {
@ -393,29 +403,31 @@ public class CraftEventFactory {
return event;
}
/**
* EntityDamage(ByEntityEvent)
*/
public static EntityDamageEvent callEntityDamageEvent(Entity damager, Entity damagee, DamageCause cause, double damage) {
EntityDamageEvent event;
if (damager != null) {
event = new EntityDamageByEntityEvent(damager.getBukkitEntity(), damagee.getBukkitEntity(), cause, damage);
} else {
event = new EntityDamageEvent(damagee.getBukkitEntity(), cause, damage);
}
callEvent(event);
if (!event.isCancelled()) {
event.getEntity().setLastDamageCause(event);
}
return event;
}
public static EntityDamageEvent handleEntityDamageEvent(Entity entity, DamageSource source, float damage) {
private static EntityDamageEvent handleEntityDamageEvent(Entity entity, DamageSource source, Map<DamageModifier, Double> modifiers) {
if (source.isExplosion()) {
return null;
DamageCause damageCause;
Entity damager = entityDamage;
entityDamage = null;
EntityDamageEvent event;
if (damager == null) {
event = new EntityDamageByBlockEvent(null, entity.getBukkitEntity(), DamageCause.BLOCK_EXPLOSION, modifiers);
} else if (entity instanceof EntityEnderDragon && ((EntityEnderDragon) entity).bC == damager) {
event = new EntityDamageEvent(entity.getBukkitEntity(), DamageCause.ENTITY_EXPLOSION, modifiers);
} else {
if (damager instanceof org.bukkit.entity.TNTPrimed) {
damageCause = DamageCause.BLOCK_EXPLOSION;
} else {
damageCause = DamageCause.ENTITY_EXPLOSION;
}
event = new EntityDamageByEntityEvent(damager.getBukkitEntity(), entity.getBukkitEntity(), damageCause, modifiers);
}
callEvent(event);
if (!event.isCancelled()) {
event.getEntity().setLastDamageCause(event);
}
return event;
} else if (source instanceof EntityDamageSource) {
Entity damager = source.getEntity();
DamageCause cause = DamageCause.ENTITY_ATTACK;
@ -431,9 +443,47 @@ public class CraftEventFactory {
cause = DamageCause.THORNS;
}
return callEntityDamageEvent(damager, entity, cause, damage);
return callEntityDamageEvent(damager, entity, cause, modifiers);
} else if (source == DamageSource.OUT_OF_WORLD) {
EntityDamageEvent event = callEvent(new EntityDamageByBlockEvent(null, entity.getBukkitEntity(), DamageCause.VOID, damage));
EntityDamageEvent event = callEvent(new EntityDamageByBlockEvent(null, entity.getBukkitEntity(), DamageCause.VOID, modifiers));
if (!event.isCancelled()) {
event.getEntity().setLastDamageCause(event);
}
return event;
} else if (source == DamageSource.LAVA) {
EntityDamageEvent event = callEvent(new EntityDamageByBlockEvent(null, entity.getBukkitEntity(), DamageCause.LAVA, modifiers));
if (!event.isCancelled()) {
event.getEntity().setLastDamageCause(event);
}
return event;
} else if (blockDamage != null) {
DamageCause cause = null;
Block damager = blockDamage;
blockDamage = null;
if (source == DamageSource.CACTUS) {
cause = DamageCause.CONTACT;
} else {
throw new RuntimeException("Unhandled entity damage");
}
EntityDamageEvent event = callEvent(new EntityDamageByBlockEvent(damager, entity.getBukkitEntity(), cause, modifiers));
if (!event.isCancelled()) {
event.getEntity().setLastDamageCause(event);
}
return event;
} else if (entityDamage != null) {
DamageCause cause = null;
CraftEntity damager = entityDamage.getBukkitEntity();
entityDamage = null;
if (source == DamageSource.ANVIL || source == DamageSource.FALLING_BLOCK) {
cause = DamageCause.FALLING_BLOCK;
} else if (damager instanceof LightningStrike) {
cause = DamageCause.LIGHTNING;
} else if (source == DamageSource.FALL) {
cause = DamageCause.FALL;
} else {
throw new RuntimeException("Unhandled entity damage");
}
EntityDamageEvent event = callEvent(new EntityDamageByEntityEvent(damager, entity.getBukkitEntity(), cause, modifiers));
if (!event.isCancelled()) {
event.getEntity().setLastDamageCause(event);
}
@ -459,23 +509,56 @@ public class CraftEventFactory {
cause = DamageCause.POISON;
} else if (source == DamageSource.MAGIC) {
cause = DamageCause.MAGIC;
} else if (source == DamageSource.FALL) {
cause = DamageCause.FALL;
}
if (cause != null) {
return callEntityDamageEvent(null, entity, cause, damage);
return callEntityDamageEvent(null, entity, cause, modifiers);
}
// If an event was called earlier, we return null.
// EG: Cactus, Lava, EntityEnderPearl "fall", FallingSand
return null;
throw new RuntimeException("Unhandled entity damage");
}
// Non-Living Entities such as EntityEnderCrystal need to call this
public static boolean handleNonLivingEntityDamageEvent(Entity entity, DamageSource source, float damage) {
if (!(source instanceof EntityDamageSource)) {
private static EntityDamageEvent callEntityDamageEvent(Entity damager, Entity damagee, DamageCause cause, Map<DamageModifier, Double> modifiers) {
EntityDamageEvent event;
if (damager != null) {
event = new EntityDamageByEntityEvent(damager.getBukkitEntity(), damagee.getBukkitEntity(), cause, modifiers);
} else {
event = new EntityDamageEvent(damagee.getBukkitEntity(), cause, modifiers);
}
callEvent(event);
if (!event.isCancelled()) {
event.getEntity().setLastDamageCause(event);
}
return event;
}
public static EntityDamageEvent handleLivingEntityDamageEvent(Entity damagee, DamageSource source, double rawDamage, double hardHatModifier, double blockingModifier, double armorModifier, double resistanceModifier, double magicModifier, double absorptionModifier) {
Map<DamageModifier, Double> modifiers = new HashMap<DamageModifier, Double>();
modifiers.put(DamageModifier.BASE, rawDamage);
if (source == DamageSource.FALLING_BLOCK || source == DamageSource.ANVIL) {
modifiers.put(DamageModifier.HARD_HAT, hardHatModifier);
}
if (damagee instanceof EntityHuman) {
modifiers.put(DamageModifier.BLOCKING, blockingModifier);
}
modifiers.put(DamageModifier.ARMOR, armorModifier);
modifiers.put(DamageModifier.RESISTANCE, resistanceModifier);
modifiers.put(DamageModifier.MAGIC, magicModifier);
modifiers.put(DamageModifier.ABSORPTION, absorptionModifier);
return handleEntityDamageEvent(damagee, source, new EnumMap<DamageModifier, Double>(modifiers));
}
// Non-Living Entities such as EntityEnderCrystal, EntityItemFrame, and EntityFireball need to call this
public static boolean handleNonLivingEntityDamageEvent(Entity entity, DamageSource source, double damage) {
if (entity instanceof EntityEnderCrystal && !(source instanceof EntityDamageSource)) {
return false;
}
EntityDamageEvent event = handleEntityDamageEvent(entity, source, damage);
EntityDamageEvent event = handleEntityDamageEvent(entity, source, new EnumMap<DamageModifier, Double>(ImmutableMap.of(DamageModifier.BASE, (double) damage)));
if (event == null) {
return false;
}