PaperMC/patches/server/0231-Vanished-players-don-t-have-rights.patch
Jason Penilla 0fa2a949ae
Updated Upstream (Bukkit/CraftBukkit/Spigot)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
8503c3c9 #621: Add HumanEntity#getItemInUse and Material#getSlipperiness
248deb09 #622: Add methods to check if item is the breed item for an entity
2ce691d8 Clarify Player#breakBlock only works for blocks in the same world
5dcdd48e SPIGOT-6514: Small Dripleaf block data is missing half property
cc9610b7 #619: Add Player#breakBlock()
862bc475 Fix bad merge of SPIGOT-6502 fix
989bb0c1 Downgrade SnakeYAML due to issues with comments parsing
1dff62ae Fix inverted visual fire docs

CraftBukkit Changes:
40caacc8 SPIGOT-6526: World entities are not populated when plugin onEnable is called
c9a92ad0 SPIGOT-6536: Marker position not set on spawn
20d3e57c #855: Add HumanEntity#getItemInUse and Material#getSlipperiness
d9c69b44 SPIGOT-6529: Fix BundleMeta#setItems
8bd43be5 SPIGOT-6535: PlayerGameModeChangeEvent event incorrectly reports old gamemode
4ece3ff3 #856: Add methods to check if item is the breed item for an entity
dd4bec5f Add additional validation to Player#breakBlock
bc835ae6 SPIGOT-6532: Fix Entity#setGlowing
384e116e Restore 1.16.5 behaviour of InventoryDragEvent being called even when a single item is 'dragged' to its own slot
b42e708c Fix new map colors rendering as transparent
cfe7fecf SPIGOT-6524: Inventory desync when InventoryClickEvent is cancelled
eeae1b19 SPIGOT-6522: ItemStack on cursor is always AIR
7490724d Fix missing PlayerEditBookEvent
06875f76 SPIGOT-6513: Placing ItemStack in Inventory causes InventoryAction.NOTHING
27835bde SPIGOT-6519: Fix end gateway teleports
4ac634ad SPIGOT-6515: "Un-waterlogging" throws UnsupportedOperationException in some cases
da425fa2 SPIGOT-6518: Anvils falling onto dripstone can sometimes crash server
50530da9 SPIGOT-6514: Small Dripleaf block data is missing half property
6fdecf20 #853: Implement Player#breakBlock()
4db9c49f SPIGOT-6510: Bukkit#createMap throws NullPointerException
89e2b127 SPIGOT-6517: Spider jockey crash on dripstone
cbf2f678 SPIGOT-6508: Rename conflicted getServer
74575d48 SPIGOT-6506: Fix crash with custom inventories
a3df386f Fix NPE with Entity.getNearbyEntities
d747f8ed Fix NPE with World.getNearbyEntities
4d2c7800 Fix second usage of worldGenSettings just in case
5182f923 SPIGOT-6504: Fix generating fresh worlds

Spigot Changes:
66f9d3c1 Rebuild patches
191e4971 Rebuild patches
a09c0bb6 Restore Spigot experience merging
2021-06-12 22:13:07 -07:00

119 lines
6.9 KiB
Diff

From 0000000000000000000000000000000000000000 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/world/entity/projectile/Projectile.java b/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
index c25cb17ef1a7c56e10ce3ccb5665c9dce3e6efa6..30118ff975da9491fa41db2133d217c2a797a8e3 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
@@ -209,7 +209,14 @@ public abstract class Projectile extends Entity {
if (!entity.isSpectator() && entity.isAlive() && entity.isPickable()) {
Entity entity1 = this.getOwner();
+ // Paper start - Cancel hit for vanished players
+ if (entity1 instanceof net.minecraft.server.level.ServerPlayer && entity instanceof net.minecraft.server.level.ServerPlayer) {
+ org.bukkit.entity.Player collided = (org.bukkit.entity.Player) entity.getBukkitEntity();
+ org.bukkit.entity.Player shooter = (org.bukkit.entity.Player) entity1.getBukkitEntity();
+ if (!shooter.canSee(collided)) return false;
+ }
return entity1 == null || this.leftOwner || !entity1.isPassengerOfSameVehicle(entity);
+ // Paper end
} else {
return false;
}
diff --git a/src/main/java/net/minecraft/world/item/BlockItem.java b/src/main/java/net/minecraft/world/item/BlockItem.java
index 86d245c9a817be5fd2be7f331d3a3a5f3169e8c2..44b28773fe8e79931e738d493bd9405e0ee3dca9 100644
--- a/src/main/java/net/minecraft/world/item/BlockItem.java
+++ b/src/main/java/net/minecraft/world/item/BlockItem.java
@@ -191,7 +191,8 @@ public class BlockItem extends Item {
Player entityhuman = context.getPlayer();
CollisionContext voxelshapecollision = entityhuman == null ? CollisionContext.empty() : CollisionContext.of((Entity) entityhuman);
// CraftBukkit start - store default return
- boolean defaultReturn = (!this.mustSurvive() || state.canSurvive(context.getLevel(), context.getClickedPos())) && context.getLevel().isUnobstructed(state, context.getClickedPos(), voxelshapecollision);
+ Level world = context.getLevel(); // Paper
+ boolean defaultReturn = (!this.mustSurvive() || state.canSurvive(context.getLevel(), context.getClickedPos())) && world.checkEntityCollision(state, entityhuman, voxelshapecollision, context.getClickedPos(), true); // Paper
org.bukkit.entity.Player player = (context.getPlayer() instanceof ServerPlayer) ? (org.bukkit.entity.Player) context.getPlayer().getBukkitEntity() : null;
BlockCanBuildEvent event = new BlockCanBuildEvent(CraftBlock.at(context.getLevel(), context.getClickedPos()), player, CraftBlockData.fromData(state), defaultReturn);
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 2c86a5ae8bbf7d80e7ce8cd08319ed6a17b86dbb..c1cf7f5bff2878281d4a9787ea7160e984268352 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -71,6 +71,10 @@ import net.minecraft.world.level.saveddata.maps.MapItemSavedData;
import net.minecraft.world.level.storage.LevelData;
import net.minecraft.world.level.storage.WritableLevelData;
import net.minecraft.world.phys.AABB;
+import net.minecraft.world.phys.shapes.BooleanOp;
+import net.minecraft.world.phys.shapes.CollisionContext;
+import net.minecraft.world.phys.shapes.Shapes;
+import net.minecraft.world.phys.shapes.VoxelShape;
import net.minecraft.world.scores.Scoreboard;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
@@ -248,6 +252,45 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
this.tileLimiter = new org.spigotmc.TickLimiter(spigotConfig.tileMaxTickTime);
}
+ // Paper start
+ // ret true if no collision
+ public final boolean checkEntityCollision(BlockState data, Entity source, CollisionContext voxelshapedcollision,
+ BlockPos position, boolean checkCanSee) {
+ // Copied from IWorldReader#a(IBlockData, BlockPosition, VoxelShapeCollision) & EntityAccess#a(Entity, VoxelShape)
+ VoxelShape voxelshape = data.getCollisionShape(this, position, voxelshapedcollision);
+ if (voxelshape.isEmpty()) {
+ return true;
+ }
+
+ voxelshape = voxelshape.move((double) position.getX(), (double) position.getY(), (double) position.getZ());
+ if (voxelshape.isEmpty()) {
+ return true;
+ }
+
+ List<Entity> entities = this.getEntities(null, voxelshape.bounds());
+ for (int i = 0, len = entities.size(); i < len; ++i) {
+ Entity entity = entities.get(i);
+
+ if (checkCanSee && source instanceof net.minecraft.server.level.ServerPlayer && entity instanceof net.minecraft.server.level.ServerPlayer
+ && !((net.minecraft.server.level.ServerPlayer) source).getBukkitEntity().canSee(((net.minecraft.server.level.ServerPlayer) entity).getBukkitEntity())) {
+ continue;
+ }
+
+ // !entity1.dead && entity1.i && (entity == null || !entity1.x(entity));
+ // elide the last check since vanilla calls with entity = null
+ // only we care about the source for the canSee check
+ if (entity.isRemoved() || !entity.blocksBuilding) {
+ continue;
+ }
+
+ if (Shapes.joinIsNotEmpty(voxelshape, Shapes.create(entity.getBoundingBox()), BooleanOp.AND)) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+ // Paper end
@Override
public boolean isClientSide() {
return this.isClientSide;
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 5d0bbdd342eda5660b461b99fed7e80afaefbff9..c09c2c8ec2a4dd2e1eec5ecf97cbd8456b5ec3c9 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1206,6 +1206,14 @@ public class CraftEventFactory {
Projectile projectile = (Projectile) entity.getBukkitEntity();
org.bukkit.entity.Entity collided = position.getEntity().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;
}