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2abdb9a061
Paper/nms-patches/EntityEnderDragon.patch

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--- ../work/decompile-8eb82bde//net/minecraft/server/EntityEnderDragon.java 2014-11-28 17:43:43.081707435 +0000
+++ src/main/java/net/minecraft/server/EntityEnderDragon.java 2014-11-28 17:38:21.000000000 +0000
@@ -5,6 +5,17 @@
import java.util.Iterator;
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.EntityExplodeEvent;
+import org.bukkit.event.entity.EntityRegainHealthEvent;
+import org.bukkit.event.entity.EntityTargetEvent;
+import org.bukkit.Bukkit;
+// CraftBukkit end
+
public class EntityEnderDragon extends EntityInsentient implements IComplex, IMonster {
public double a;
@@ -27,6 +38,7 @@
private Entity by;
public int bw;
public EntityEnderCrystal bx;
+ private Explosion explosionSource = new Explosion(null, this, Double.NaN, Double.NaN, Double.NaN, Float.NaN, true, true); // CraftBukkit - reusable source for CraftTNTPrimed.getSource()
public EntityEnderDragon(World world) {
super(world);
@@ -120,21 +132,21 @@
if (this.world.isStatic) {
if (this.ba > 0) {
- d3 = this.locX + (this.bb - this.locX) / (double) this.ba;
- d0 = this.locY + (this.bc - this.locY) / (double) this.ba;
- d1 = this.locZ + (this.bd - this.locZ) / (double) this.ba;
- d2 = MathHelper.g(this.be - (double) this.yaw);
- this.yaw = (float) ((double) this.yaw + d2 / (double) this.ba);
+ d0 = this.locX + (this.bb - this.locX) / (double) this.ba;
+ d1 = this.locY + (this.bc - this.locY) / (double) this.ba;
+ d2 = this.locZ + (this.bd - this.locZ) / (double) this.ba;
+ d3 = MathHelper.g(this.be - (double) this.yaw);
+ this.yaw = (float) ((double) this.yaw + d3 / (double) this.ba);
this.pitch = (float) ((double) this.pitch + (this.bf - (double) this.pitch) / (double) this.ba);
--this.ba;
- this.setPosition(d3, d0, d1);
+ this.setPosition(d0, d1, d2);
this.setYawPitch(this.yaw, this.pitch);
}
} else {
- d3 = this.a - this.locX;
- d0 = this.b - this.locY;
- d1 = this.c - this.locZ;
- d2 = d3 * d3 + d0 * d0 + d1 * d1;
+ d0 = this.a - this.locX;
+ d1 = this.b - this.locY;
+ d2 = this.c - this.locZ;
+ d3 = d0 * d0 + d1 * d1 + d2 * d2;
double d4;
if (this.by != null) {
@@ -155,16 +167,16 @@
this.c += this.random.nextGaussian() * 2.0D;
}
- if (this.bu || d2 < 100.0D || d2 > 22500.0D || this.positionChanged || this.E) {
+ if (this.bu || d3 < 100.0D || d3 > 22500.0D || this.positionChanged || this.E) {
this.cd();
}
- d0 /= (double) MathHelper.sqrt(d3 * d3 + d1 * d1);
+ d1 /= (double) MathHelper.sqrt(d0 * d0 + d2 * d2);
f3 = 0.6F;
- d0 = MathHelper.a(d0, (double) (-f3), (double) f3);
- this.motY += d0 * 0.10000000149011612D;
+ d1 = MathHelper.a(d1, (double) (-f3), (double) f3);
+ this.motY += d1 * 0.10000000149011612D;
this.yaw = MathHelper.g(this.yaw);
- double d8 = 180.0D - Math.atan2(d3, d1) * 180.0D / 3.1415927410125732D;
+ double d8 = 180.0D - Math.atan2(d0, d2) * 180.0D / 3.1415927410125732D;
double d9 = MathHelper.g(d8 - (double) this.yaw);
if (d9 > 50.0D) {
@@ -290,12 +302,21 @@
if (this.bx != null) {
if (this.bx.dead) {
if (!this.world.isStatic) {
+ CraftEventFactory.entityDamage = this.bx; // CraftBukkit
this.a(this.bl, DamageSource.explosion((Explosion) null), 10.0F);
+ CraftEventFactory.entityDamage = null; // CraftBukkit
}
this.bx = null;
} else if (this.ticksLived % 10 == 0 && this.getHealth() < this.getMaxHealth()) {
- this.setHealth(this.getHealth() + 1.0F);
+ // CraftBukkit start
+ EntityRegainHealthEvent event = new EntityRegainHealthEvent(this.getBukkitEntity(), 1.0D, EntityRegainHealthEvent.RegainReason.ENDER_CRYSTAL);
+ this.world.getServer().getPluginManager().callEvent(event);
+
+ if (!event.isCancelled()) {
+ this.setHealth((float) (this.getHealth() + event.getAmount()));
+ }
+ // CraftBukkit end
}
}
@@ -364,7 +385,19 @@
}
if (this.random.nextInt(2) == 0 && !arraylist.isEmpty()) {
- this.by = (Entity) arraylist.get(this.random.nextInt(arraylist.size()));
+ // CraftBukkit start
+ Entity target = (Entity) this.world.players.get(this.random.nextInt(this.world.players.size()));
+ EntityTargetEvent event = new EntityTargetEvent(this.getBukkitEntity(), target.getBukkitEntity(), EntityTargetEvent.TargetReason.RANDOM_TARGET);
+ this.world.getServer().getPluginManager().callEvent(event);
+
+ if (!event.isCancelled()) {
+ if (event.getTarget() == null) {
+ this.by = null;
+ } else {
+ this.by = ((org.bukkit.craftbukkit.entity.CraftEntity) event.getTarget()).getHandle();
+ }
+ }
+ // CraftBukkit end
} else {
boolean flag;
@@ -399,6 +432,11 @@
int j1 = MathHelper.floor(axisalignedbb.f);
boolean flag = false;
boolean flag1 = false;
+
+ // CraftBukkit start - Create a list to hold all the destroyed blocks
+ List<org.bukkit.block.Block> destroyedBlocks = new java.util.ArrayList<org.bukkit.block.Block>();
+ org.bukkit.craftbukkit.CraftWorld craftWorld = this.world.getWorld();
+ // CraftBukkit end
for (int k1 = i; k1 <= l; ++k1) {
for (int l1 = j; l1 <= i1; ++l1) {
@@ -407,7 +445,11 @@
if (block.getMaterial() != Material.AIR) {
if (block != Blocks.BARRIER && block != Blocks.OBSIDIAN && block != Blocks.END_STONE && block != Blocks.BEDROCK && block != Blocks.COMMAND_BLOCK && this.world.getGameRules().getBoolean("mobGriefing")) {
- flag1 = this.world.setAir(new BlockPosition(k1, l1, i2)) || flag1;
+ // CraftBukkit start - Add blocks to list rather than destroying them
+ // flag1 = this.world.setAir(new BlockPosition(k1, l1, i2)) || flag1;
+ flag1 = true;
+ destroyedBlocks.add(craftWorld.getBlockAt(k1, l1, i2));
+ // CraftBukkit end
} else {
flag = true;
}
@@ -417,6 +459,40 @@
}
if (flag1) {
+ // CraftBukkit start - Set off an EntityExplodeEvent for the dragon exploding all these blocks
+ org.bukkit.entity.Entity bukkitEntity = this.getBukkitEntity();
+ EntityExplodeEvent event = new EntityExplodeEvent(bukkitEntity, bukkitEntity.getLocation(), destroyedBlocks, 0F);
+ Bukkit.getPluginManager().callEvent(event);
+ if (event.isCancelled()) {
+ // This flag literally means 'Dragon hit something hard' (Obsidian, White Stone or Bedrock) and will cause the dragon to slow down.
+ // We should consider adding an event extension for it, or perhaps returning true if the event is cancelled.
+ return flag;
+ } else if (event.getYield() == 0F) {
+ // Yield zero ==> no drops
+ for (org.bukkit.block.Block block : event.blockList()) {
+ this.world.setAir(new BlockPosition(block.getX(), block.getY(), block.getZ()));
+ }
+ } else {
+ for (org.bukkit.block.Block block : event.blockList()) {
+ org.bukkit.Material blockId = block.getType();
+ if (blockId == org.bukkit.Material.AIR) {
+ continue;
+ }
+
+ int blockX = block.getX();
+ int blockY = block.getY();
+ int blockZ = block.getZ();
+
+ Block nmsBlock = org.bukkit.craftbukkit.util.CraftMagicNumbers.getBlock(blockId);
+ if (nmsBlock.a(explosionSource)) {
+ nmsBlock.dropNaturally(this.world, new BlockPosition(blockX, blockY, blockZ), nmsBlock.fromLegacyData(block.getData()), event.getYield(), 0);
+ }
+ nmsBlock.wasExploded(world, new BlockPosition(blockX, blockY, blockZ), explosionSource);
+
+ this.world.setAir(new BlockPosition(blockX, blockY, blockZ));
+ }
+ }
+ // CraftBukkit end
double d0 = axisalignedbb.a + (axisalignedbb.d - axisalignedbb.a) * (double) this.random.nextFloat();
double d1 = axisalignedbb.b + (axisalignedbb.e - axisalignedbb.b) * (double) this.random.nextFloat();
double d2 = axisalignedbb.c + (axisalignedbb.f - axisalignedbb.c) * (double) this.random.nextFloat();
@@ -464,6 +540,7 @@
}
protected void aY() {
+ if (this.dead) return; // CraftBukkit - can't kill what's already dead
++this.bw;
if (this.bw >= 180 && this.bw <= 200) {
float f = (this.random.nextFloat() - 0.5F) * 8.0F;
@@ -478,7 +555,7 @@
if (!this.world.isStatic) {
if (this.bw > 150 && this.bw % 5 == 0 && this.world.getGameRules().getBoolean("doMobLoot")) {
- i = 1000;
+ i = this.expToDrop / 12; // CraftBukkit - drop experience as dragon falls from sky. use experience drop from death event. This is now set in getExpReward()
while (i > 0) {
j = EntityExperienceOrb.getOrbValue(i);
@@ -488,14 +565,30 @@
}
if (this.bw == 1) {
- this.world.a(1018, new BlockPosition(this), 0);
+ // CraftBukkit start - Use relative location for far away sounds
+ // this.world.a(1018, new BlockPosition(this), 0);
+ int viewDistance = ((WorldServer) this.world).getServer().getViewDistance() * 16;
+ for (EntityPlayer player : (List<EntityPlayer>) this.world.players) {
+ double deltaX = this.locX - player.locX;
+ double deltaZ = this.locZ - player.locZ;
+ double distanceSquared = deltaX * deltaX + deltaZ * deltaZ;
+ if (distanceSquared > viewDistance * viewDistance) {
+ double deltaLength = Math.sqrt(distanceSquared);
+ double relativeX = player.locX + (deltaX / deltaLength) * viewDistance;
+ double relativeZ = player.locZ + (deltaZ / deltaLength) * viewDistance;
+ player.playerConnection.sendPacket(new PacketPlayOutWorldEvent(1018, new BlockPosition((int) relativeX, (int) this.locY, (int) relativeZ), 0, true));
+ } else {
+ player.playerConnection.sendPacket(new PacketPlayOutWorldEvent(1018, new BlockPosition((int) this.locX, (int) this.locY, (int) this.locZ), 0, true));
+ }
+ }
+ // CraftBukkit end
}
}
this.move(0.0D, 0.10000000149011612D, 0.0D);
this.aG = this.yaw += 20.0F;
if (this.bw == 200 && !this.world.isStatic) {
- i = 2000;
+ i = this.expToDrop - (10 * this.expToDrop / 12); // CraftBukkit - drop the remaining experience
while (i > 0) {
j = EntityExperienceOrb.getOrbValue(i);
@@ -513,6 +606,9 @@
boolean flag = true;
double d0 = 12.25D;
double d1 = 6.25D;
+
+ // CraftBukkit start - Replace any "this.world" in the following with just "world"!
+ BlockStateListPopulator world = new BlockStateListPopulator(this.world.getWorld());
for (int i = -1; i <= 32; ++i) {
for (int j = -4; j <= 4; ++j) {
@@ -524,31 +620,51 @@
if (i < 0) {
if (d2 <= 6.25D) {
- this.world.setTypeUpdate(blockposition1, Blocks.BEDROCK.getBlockData());
+ world.setTypeUpdate(blockposition1, Blocks.BEDROCK.getBlockData());
}
} else if (i > 0) {
- this.world.setTypeUpdate(blockposition1, Blocks.AIR.getBlockData());
+ world.setTypeUpdate(blockposition1, Blocks.AIR.getBlockData());
} else if (d2 > 6.25D) {
- this.world.setTypeUpdate(blockposition1, Blocks.BEDROCK.getBlockData());
+ world.setTypeUpdate(blockposition1, Blocks.BEDROCK.getBlockData());
} else {
- this.world.setTypeUpdate(blockposition1, Blocks.END_PORTAL.getBlockData());
+ world.setTypeUpdate(blockposition1, Blocks.END_PORTAL.getBlockData());
}
}
}
}
}
- this.world.setTypeUpdate(blockposition, Blocks.BEDROCK.getBlockData());
- this.world.setTypeUpdate(blockposition.up(), Blocks.BEDROCK.getBlockData());
+ world.setTypeUpdate(blockposition, Blocks.BEDROCK.getBlockData());
+ world.setTypeUpdate(blockposition.up(), Blocks.BEDROCK.getBlockData());
BlockPosition blockposition2 = blockposition.up(2);
- this.world.setTypeUpdate(blockposition2, Blocks.BEDROCK.getBlockData());
- this.world.setTypeUpdate(blockposition2.west(), Blocks.TORCH.getBlockData().set(BlockTorch.FACING, EnumDirection.EAST));
- this.world.setTypeUpdate(blockposition2.east(), Blocks.TORCH.getBlockData().set(BlockTorch.FACING, EnumDirection.WEST));
- this.world.setTypeUpdate(blockposition2.north(), Blocks.TORCH.getBlockData().set(BlockTorch.FACING, EnumDirection.SOUTH));
- this.world.setTypeUpdate(blockposition2.south(), Blocks.TORCH.getBlockData().set(BlockTorch.FACING, EnumDirection.NORTH));
- this.world.setTypeUpdate(blockposition.up(3), Blocks.BEDROCK.getBlockData());
- this.world.setTypeUpdate(blockposition.up(4), Blocks.DRAGON_EGG.getBlockData());
+ world.setTypeUpdate(blockposition2, Blocks.BEDROCK.getBlockData());
+ world.setTypeUpdate(blockposition2.west(), Blocks.TORCH.getBlockData().set(BlockTorch.FACING, EnumDirection.EAST));
+ world.setTypeUpdate(blockposition2.east(), Blocks.TORCH.getBlockData().set(BlockTorch.FACING, EnumDirection.WEST));
+ world.setTypeUpdate(blockposition2.north(), Blocks.TORCH.getBlockData().set(BlockTorch.FACING, EnumDirection.SOUTH));
+ world.setTypeUpdate(blockposition2.south(), Blocks.TORCH.getBlockData().set(BlockTorch.FACING, EnumDirection.NORTH));
+ world.setTypeUpdate(blockposition.up(3), Blocks.BEDROCK.getBlockData());
+ world.setTypeUpdate(blockposition.up(4), Blocks.DRAGON_EGG.getBlockData());
+
+ EntityCreatePortalEvent event = new EntityCreatePortalEvent((org.bukkit.entity.LivingEntity) this.getBukkitEntity(), java.util.Collections.unmodifiableList(world.getList()), org.bukkit.PortalType.ENDER);
+ this.world.getServer().getPluginManager().callEvent(event);
+
+ if (!event.isCancelled()) {
+ for (BlockState state : event.getBlocks()) {
+ state.update(true);
+ }
+ } else {
+ for (BlockState state : event.getBlocks()) {
+ PacketPlayOutBlockChange packet = new PacketPlayOutBlockChange(this.world, new BlockPosition(state.getX(), state.getY(), state.getZ()));
+ for (Iterator it = this.world.players.iterator(); it.hasNext();) {
+ EntityHuman entity = (EntityHuman) it.next();
+ if (entity instanceof EntityPlayer) {
+ ((EntityPlayer) entity).playerConnection.sendPacket(packet);
+ }
+ }
+ }
+ }
+ // CraftBukkit end
}
protected void D() {}
@@ -576,4 +692,12 @@
protected float bA() {
return 5.0F;
}
+
+ // CraftBukkit start
+ public int getExpReward() {
+ // This value is equal to the amount of experience dropped while falling from the sky (10 * 1000)
+ // plus what is dropped when the dragon hits the ground (2000)
+ return 12000;
+ }
+ // CraftBukkit end
}
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