Paper/nms-patches/EntityEnderDragon.patch
2018-12-13 11:00:00 +11:00

116 lines
5.9 KiB
Diff

--- a/net/minecraft/server/EntityEnderDragon.java
+++ b/net/minecraft/server/EntityEnderDragon.java
@@ -5,7 +5,12 @@
import javax.annotation.Nullable;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
+// CraftBukkit start
+import org.bukkit.event.entity.EntityExplodeEvent;
+import org.bukkit.event.entity.EntityRegainHealthEvent;
+// CraftBukkit end
+// PAIL: Fixme
public class EntityEnderDragon extends EntityInsentient implements IComplex, IMonster {
private static final Logger bQ = LogManager.getLogger();
@@ -33,6 +38,7 @@
private final PathPoint[] bV = new PathPoint[24];
private final int[] bW = new int[24];
private final Path bX = new Path();
+ 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(EntityTypes.ENDER_DRAGON, world);
@@ -170,7 +176,7 @@
Vec3D vec3d = idragoncontroller.g();
- if (vec3d != null) {
+ if (vec3d != null && idragoncontroller.getControllerPhase() != DragonControllerPhase.HOVER) { // CraftBukkit - Don't move when hovering
d0 = vec3d.x - this.locX;
d1 = vec3d.y - this.locY;
d2 = vec3d.z - this.locZ;
@@ -326,7 +332,14 @@
if (this.currentEnderCrystal.dead) {
this.currentEnderCrystal = 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(), 1.0F, EntityRegainHealthEvent.RegainReason.ENDER_CRYSTAL);
+ this.world.getServer().getPluginManager().callEvent(event);
+
+ if (!event.isCancelled()) {
+ this.setHealth((float) (this.getHealth() + event.getAmount()));
+ }
+ // CraftBukkit end
}
}
@@ -399,6 +412,10 @@
int j1 = MathHelper.floor(axisalignedbb.maxZ);
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) {
@@ -412,7 +429,11 @@
flag = true;
} else if (block != Blocks.BARRIER && block != Blocks.OBSIDIAN && block != Blocks.END_STONE && block != Blocks.BEDROCK && block != Blocks.END_PORTAL && block != Blocks.END_PORTAL_FRAME) {
if (block != Blocks.COMMAND_BLOCK && block != Blocks.REPEATING_COMMAND_BLOCK && block != Blocks.CHAIN_COMMAND_BLOCK && block != Blocks.IRON_BARS && block != Blocks.END_GATEWAY) {
- flag1 = this.world.setAir(blockposition) || flag1;
+ // CraftBukkit start - Add blocks to list rather than destroying them
+ // flag1 = this.world.setAir(blockposition) || flag1;
+ flag1 = true;
+ destroyedBlocks.add(craftWorld.getBlockAt(k1, l1, i2));
+ // CraftBukkit end
} else {
flag = true;
}
@@ -424,6 +445,42 @@
}
}
+ // 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);
+ bukkitEntity.getServer().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)) {
+ BlockPosition pos = new BlockPosition(blockX, blockY, blockZ);
+ nmsBlock.dropNaturally(world.getType(pos), world, pos, event.getYield(), 0);
+ }
+ nmsBlock.wasExploded(world, new BlockPosition(blockX, blockY, blockZ), explosionSource);
+
+ this.world.setAir(new BlockPosition(blockX, blockY, blockZ));
+ }
+ }
+ // CraftBukkit end
+
if (flag1) {
double d0 = axisalignedbb.minX + (axisalignedbb.maxX - axisalignedbb.minX) * (double) this.random.nextFloat();
double d1 = axisalignedbb.minY + (axisalignedbb.maxY - axisalignedbb.minY) * (double) this.random.nextFloat();