PaperMC/Spigot-Server-Patches/0305-Vanished-players-don-t-have-rights.patch
Aikar d089acb3bd
Switch to using ForgeFlower for Paper Only mc-dev imports
ForgeFlower is better than Spigots FernFlower at decompiling the source.

However, in order to maintain the CraftBukkit patches, we must keep
using spigots for the primary.

However, for any file that we import on top of Spigots imported files
there is nothing stopping us from using better decompiled files.

So these changes will use ForgeFlower to maintain a better set of
decomped files, so anything we add on top of Paper can start off
in a better spot.
2018-08-31 23:47:57 -04:00

129 lines
6.5 KiB
Diff

From c00e706c2239a7aef32a535ab1433f84706bbb4a Mon Sep 17 00:00:00 2001
From: Hugo Manrique <hugmanrique@gmail.com>
Date: Mon, 23 Jul 2018 14:22:26 +0200
Subject: [PATCH] Vanished players don't have rights
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 89a83548b8..9339b3255d 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -94,7 +94,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
private static int entityCount;
private final EntityTypes<?> g; public EntityTypes<?> getEntityType() { return g; } // Paper - OBFHELPER
private int id;
- public boolean j;
+ public boolean j; public boolean blocksEntitySpawning() { return j; } // Paper - OBFHELPER
public final List<Entity> passengers;
protected int k;
private Entity vehicle;
diff --git a/src/main/java/net/minecraft/server/IBlockData.java b/src/main/java/net/minecraft/server/IBlockData.java
index 24ce9137ae..bf06a90312 100644
--- a/src/main/java/net/minecraft/server/IBlockData.java
+++ b/src/main/java/net/minecraft/server/IBlockData.java
@@ -165,6 +165,7 @@ public interface IBlockData extends IBlockDataHolder<IBlockData> {
return this.getBlock().a(this, iblockaccess, blockposition);
}
+ default VoxelShape getBlockShape(IBlockAccess iblockaccess, BlockPosition blockposition) { return h(iblockaccess, blockposition); } // Paper - OBFHELPER
default VoxelShape h(IBlockAccess iblockaccess, BlockPosition blockposition) {
return this.getBlock().f(this, iblockaccess, blockposition);
}
diff --git a/src/main/java/net/minecraft/server/ItemBlock.java b/src/main/java/net/minecraft/server/ItemBlock.java
index 1cecccef23..afc881d9af 100644
--- a/src/main/java/net/minecraft/server/ItemBlock.java
+++ b/src/main/java/net/minecraft/server/ItemBlock.java
@@ -70,7 +70,8 @@ public class ItemBlock extends Item {
protected boolean b(BlockActionContext blockactioncontext, IBlockData iblockdata) {
// CraftBukkit start - store default return
- boolean defaultReturn = iblockdata.canPlace(blockactioncontext.getWorld(), blockactioncontext.getClickPosition()) && blockactioncontext.getWorld().a(iblockdata, blockactioncontext.getClickPosition());
+ final World world = blockactioncontext.getWorld(); // Paper
+ boolean defaultReturn = iblockdata.canPlace(world, blockactioncontext.getClickPosition()) && world.a(iblockdata, blockactioncontext.getClickPosition()) && world.checkNoVisiblePlayerCollisions(blockactioncontext.getEntity(), iblockdata.getBlockShape(world, blockactioncontext.getClickPosition())); // Paper - Use our entity search
BlockCanBuildEvent event = new BlockCanBuildEvent(CraftBlock.at(blockactioncontext.getWorld(), blockactioncontext.getClickPosition()), CraftBlockData.fromData(iblockdata), defaultReturn);
blockactioncontext.getWorld().getServer().getPluginManager().callEvent(event);
diff --git a/src/main/java/net/minecraft/server/VoxelShape.java b/src/main/java/net/minecraft/server/VoxelShape.java
index ea8f1c170a..fdfc0d442e 100644
--- a/src/main/java/net/minecraft/server/VoxelShape.java
+++ b/src/main/java/net/minecraft/server/VoxelShape.java
@@ -24,6 +24,7 @@ public abstract class VoxelShape {
return i <= 0 ? Double.NEGATIVE_INFINITY : this.a(enumdirection$enumaxis, i);
}
+ public AxisAlignedBB getBounds() { return a(); } // Paper - OBFHELPER
public AxisAlignedBB a() {
if (this.b()) {
throw new UnsupportedOperationException("No bounds for empty shape.");
@@ -38,6 +39,7 @@ public abstract class VoxelShape {
protected abstract DoubleList a(EnumDirection.EnumAxis var1);
+ public boolean isEmpty() { return b(); } // Paper - OBFHELPER
public boolean b() {
return this.a.a();
}
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index caec2807a6..e7576c5c6a 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -1581,6 +1581,37 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
}
}
+ // Paper start - Based on method below
+ /**
+ * @param entity causing the action ex. block placer
+ * @param voxelshape area to search within
+ * @return if there are no visible players colliding
+ */
+ public boolean checkNoVisiblePlayerCollisions(@Nullable Entity entity, VoxelShape voxelshape) {
+ if (voxelshape.isEmpty()) {
+ return true;
+ } else {
+ List list = this.getEntities((Entity) null, voxelshape.getBounds());
+
+ for (int i = 0; i < list.size(); ++i) {
+ Entity entity1 = (Entity) list.get(i);
+
+ if (entity instanceof EntityPlayer && entity1 instanceof EntityPlayer) {
+ if (!((EntityPlayer) entity).getBukkitEntity().canSee(((EntityPlayer) entity1).getBukkitEntity())) {
+ continue;
+ }
+ }
+
+ if (!entity1.dead && entity1.blocksEntitySpawning()) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+ }
+ // Paper end
+
public boolean a(@Nullable Entity entity, VoxelShape voxelshape) {
if (voxelshape.b()) {
return true;
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 1cc17c29c9..a61c32a2f3 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -806,6 +806,14 @@ public class CraftEventFactory {
Projectile projectile = (Projectile) entity.getBukkitEntity();
org.bukkit.entity.Entity collided = position.entity.getBukkitEntity();
com.destroystokyo.paper.event.entity.ProjectileCollideEvent event = new com.destroystokyo.paper.event.entity.ProjectileCollideEvent(projectile, collided);
+
+ if (projectile.getShooter() instanceof Player && collided instanceof Player) {
+ if (!((Player) projectile.getShooter()).canSee((Player) collided)) {
+ event.setCancelled(true);
+ return event;
+ }
+ }
+
Bukkit.getPluginManager().callEvent(event);
return event;
}
--
2.18.0