From 6dbdcc68864a16883aeca56b83dabcad1c71a4e1 Mon Sep 17 00:00:00 2001 From: Zach Brown Date: Fri, 16 Dec 2016 22:10:35 -0600 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 42da707ae..9080006e5 100644 --- a/src/main/java/net/minecraft/server/Entity.java +++ b/src/main/java/net/minecraft/server/Entity.java @@ -68,7 +68,7 @@ public abstract class Entity implements ICommandListener { private static double f = 1.0D; private static int entityCount; private int id; - public boolean i; + public boolean i; public boolean blocksEntitySpawning() { return i; } // Paper - OBFHELPER public final List passengers; protected int j; private Entity au;public void setVehicle(Entity entity) { this.au = entity; } // Paper // OBFHELPER diff --git a/src/main/java/net/minecraft/server/ItemBlock.java b/src/main/java/net/minecraft/server/ItemBlock.java index 60149c1ca..a5730d1c7 100644 --- a/src/main/java/net/minecraft/server/ItemBlock.java +++ b/src/main/java/net/minecraft/server/ItemBlock.java @@ -20,7 +20,7 @@ public class ItemBlock extends Item { ItemStack itemstack = entityhuman.b(enumhand); - if (!itemstack.isEmpty() && entityhuman.a(blockposition, enumdirection, itemstack) && world.a(this.a, blockposition, false, enumdirection, (Entity) null)) { + if (!itemstack.isEmpty() && entityhuman.a(blockposition, enumdirection, itemstack) && world.a(this.a, blockposition, false, enumdirection, entityhuman)) { // Paper - Pass entityhuman instead of null int i = this.filterData(itemstack.getData()); IBlockData iblockdata1 = this.a.getPlacedState(world, blockposition, enumdirection, f, f1, f2, i, entityhuman); diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java index ea6f46522..01dba285a 100644 --- a/src/main/java/net/minecraft/server/World.java +++ b/src/main/java/net/minecraft/server/World.java @@ -1799,6 +1799,33 @@ public abstract class World implements IBlockAccess { return this.a(axisalignedbb, (Entity) null); } + // Paper start - Based on method below + /** + * @param axisalignedbb area to search within + * @param entity causing the action ex. block placer + * @return if there are no visible players colliding + */ + public boolean checkNoVisiblePlayerCollisions(AxisAlignedBB axisalignedbb, @Nullable Entity entity) { + List list = this.getEntities((Entity) null, axisalignedbb); + + 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(AxisAlignedBB axisalignedbb, @Nullable Entity entity) { List list = this.getEntities((Entity) null, axisalignedbb); @@ -2689,7 +2716,7 @@ public abstract class World implements IBlockAccess { AxisAlignedBB axisalignedbb = flag ? null : block.getBlockData().d(this, blockposition); // CraftBukkit start - store default return - boolean defaultReturn = axisalignedbb != Block.k && !this.a(axisalignedbb.a(blockposition), entity) ? false : (iblockdata.getMaterial() == Material.ORIENTABLE && block == Blocks.ANVIL ? true : iblockdata.getMaterial().isReplaceable() && block.canPlace(this, blockposition, enumdirection)); + boolean defaultReturn = axisalignedbb != Block.k && !this.checkNoVisiblePlayerCollisions(axisalignedbb.a(blockposition), entity) ? false : (iblockdata.getMaterial() == Material.ORIENTABLE && block == Blocks.ANVIL ? true : iblockdata.getMaterial().isReplaceable() && block.canPlace(this, blockposition, enumdirection)); // Paper - Use our entity search BlockCanBuildEvent event = new BlockCanBuildEvent(this.getWorld().getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()), CraftMagicNumbers.getId(block), defaultReturn); this.getServer().getPluginManager().callEvent(event); diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java index 06a277b3b..5f816e44f 100644 --- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java +++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java @@ -810,6 +810,13 @@ 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); + } + } + Bukkit.getPluginManager().callEvent(event); return event; } -- 2.16.1