180 lines
11 KiB
Diff
180 lines
11 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Hugo Manrique <hugmanrique@gmail.com>
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Date: Mon, 23 Jul 2018 14:22:26 +0200
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Subject: [PATCH] Vanished players don't have rights
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diff --git a/src/main/java/net/minecraft/server/BlockBase.java b/src/main/java/net/minecraft/server/BlockBase.java
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index 26d446077bb563ca3c5bb0339695b3364a3e41bf..88a1db211286fc8a6164312d7eb0839c00969e0e 100644
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--- a/src/main/java/net/minecraft/server/BlockBase.java
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+++ b/src/main/java/net/minecraft/server/BlockBase.java
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@@ -453,6 +453,7 @@ public abstract class BlockBase {
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return this.a != null ? this.a.b : this.b(iblockaccess, blockposition, VoxelShapeCollision.a());
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}
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+ public final VoxelShape getCollisionShape(IBlockAccess iblockaccess, BlockPosition blockposition, VoxelShapeCollision voxelshapecollision) { return this.b(iblockaccess, blockposition, voxelshapecollision); } // Paper - OBFHELPER
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public VoxelShape b(IBlockAccess iblockaccess, BlockPosition blockposition, VoxelShapeCollision voxelshapecollision) {
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return this.getBlock().c(this.p(), iblockaccess, blockposition, voxelshapecollision);
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}
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index f735c8cc9f68451ec64c2024769c37955e2ea963..f35ebacaf7c3a583d48efe58db9583c12c9c31a1 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -98,7 +98,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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private static double e = 1.0D;
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private final EntityTypes<?> f;
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private int id;
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- public boolean i;
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+ public boolean i; public final boolean blocksEntitySpawning() { return this.i; } // Paper - OBFHELPER
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public final List<Entity> passengers;
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protected int j;
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@Nullable
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diff --git a/src/main/java/net/minecraft/server/EntityFireworks.java b/src/main/java/net/minecraft/server/EntityFireworks.java
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index 5ac7957016d1ca6bc78ced0bcf3767d358677f45..ca92579304d060e2b718aab6f3e3f006d52f93e5 100644
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--- a/src/main/java/net/minecraft/server/EntityFireworks.java
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+++ b/src/main/java/net/minecraft/server/EntityFireworks.java
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@@ -118,7 +118,6 @@ public class EntityFireworks extends IProjectile {
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this.move(EnumMoveType.SELF, vec3d);
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this.setMot(vec3d);
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}
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-
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MovingObjectPosition movingobjectposition = ProjectileHelper.a(this, this::a, RayTrace.BlockCollisionOption.COLLIDER);
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if (!this.noclip) {
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diff --git a/src/main/java/net/minecraft/server/IProjectile.java b/src/main/java/net/minecraft/server/IProjectile.java
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index cdf80e50de0840002f62f4c1df4fbcc4e13675d7..ea5f5845a8d202e62da3ae1bfb1e4dbd7f5e185e 100644
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--- a/src/main/java/net/minecraft/server/IProjectile.java
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+++ b/src/main/java/net/minecraft/server/IProjectile.java
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@@ -129,8 +129,14 @@ public abstract class IProjectile extends Entity {
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protected boolean a(Entity entity) {
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if (!entity.isSpectator() && entity.isAlive() && entity.isInteractable()) {
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Entity entity1 = this.getShooter();
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-
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+ // Paper start - Cancel hit for vanished players
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+ if (entity1 instanceof EntityPlayer && entity instanceof EntityPlayer) {
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+ org.bukkit.entity.Player collided = (org.bukkit.entity.Player) entity.getBukkitEntity();
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+ org.bukkit.entity.Player shooter = (org.bukkit.entity.Player) entity1.getBukkitEntity();
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+ if (!shooter.canSee(collided)) return false;
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+ }
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return entity1 == null || this.d || !entity1.isSameVehicle(entity);
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+ // Paper end
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} else {
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return false;
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}
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diff --git a/src/main/java/net/minecraft/server/ItemBlock.java b/src/main/java/net/minecraft/server/ItemBlock.java
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index 6c7f677f68d89d7e08c07a0f24268c5a638b4076..33d38a9a8a55c7a26d9a584e8058f42556b6ed59 100644
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--- a/src/main/java/net/minecraft/server/ItemBlock.java
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+++ b/src/main/java/net/minecraft/server/ItemBlock.java
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@@ -139,7 +139,8 @@ public class ItemBlock extends Item {
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EntityHuman entityhuman = blockactioncontext.getEntity();
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VoxelShapeCollision voxelshapecollision = entityhuman == null ? VoxelShapeCollision.a() : VoxelShapeCollision.a((Entity) entityhuman);
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// CraftBukkit start - store default return
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- boolean defaultReturn = (!this.isCheckCollisions() || iblockdata.canPlace(blockactioncontext.getWorld(), blockactioncontext.getClickPosition())) && blockactioncontext.getWorld().a(iblockdata, blockactioncontext.getClickPosition(), voxelshapecollision);
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+ World world = blockactioncontext.getWorld(); // Paper
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+ boolean defaultReturn = (!this.isCheckCollisions() || iblockdata.canPlace(blockactioncontext.getWorld(), blockactioncontext.getClickPosition())) && world.checkEntityCollision(iblockdata, entityhuman, voxelshapecollision, blockactioncontext.getClickPosition(), true); // Paper
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org.bukkit.entity.Player player = (blockactioncontext.getEntity() instanceof EntityPlayer) ? (org.bukkit.entity.Player) blockactioncontext.getEntity().getBukkitEntity() : null;
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BlockCanBuildEvent event = new BlockCanBuildEvent(CraftBlock.at(blockactioncontext.getWorld(), blockactioncontext.getClickPosition()), player, CraftBlockData.fromData(iblockdata), defaultReturn);
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diff --git a/src/main/java/net/minecraft/server/VoxelShape.java b/src/main/java/net/minecraft/server/VoxelShape.java
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index e985b0efc20f7d271be1c7ffc2670ab89fc3a6a7..c2b8c9820663f95f58f0c3a62cd9ec99c835a82f 100644
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--- a/src/main/java/net/minecraft/server/VoxelShape.java
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+++ b/src/main/java/net/minecraft/server/VoxelShape.java
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@@ -46,6 +46,7 @@ public abstract class VoxelShape {
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return this.a.a();
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}
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+ public final VoxelShape offset(double x, double y, double z) { return this.a(x, y, z); } // Paper - OBFHELPER
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public VoxelShape a(double d0, double d1, double d2) {
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return (VoxelShape) (this.isEmpty() ? VoxelShapes.a() : new VoxelShapeArray(this.a, new DoubleListOffset(this.a(EnumDirection.EnumAxis.X), d0), new DoubleListOffset(this.a(EnumDirection.EnumAxis.Y), d1), new DoubleListOffset(this.a(EnumDirection.EnumAxis.Z), d2)));
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}
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diff --git a/src/main/java/net/minecraft/server/VoxelShapes.java b/src/main/java/net/minecraft/server/VoxelShapes.java
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index 86f6f082fe2991ea9065b09c9680b76ca1cf7154..b6e2a3d8d0cf510f497c6f974356fafaf2adc13b 100644
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--- a/src/main/java/net/minecraft/server/VoxelShapes.java
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+++ b/src/main/java/net/minecraft/server/VoxelShapes.java
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@@ -35,6 +35,7 @@ public final class VoxelShapes {
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return a(new AxisAlignedBB(d0, d1, d2, d3, d4, d5));
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}
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+ public static final VoxelShape of(AxisAlignedBB axisAlignedbb) { return VoxelShapes.a(axisAlignedbb); } // Paper - OBFHELPER
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public static VoxelShape a(AxisAlignedBB axisalignedbb) {
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int i = a(axisalignedbb.minX, axisalignedbb.maxX);
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int j = a(axisalignedbb.minY, axisalignedbb.maxY);
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@@ -129,6 +130,7 @@ public final class VoxelShapes {
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}
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}
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+ public static final boolean applyOperation(VoxelShape voxelshape, VoxelShape voxelshape1, OperatorBoolean operatorboolean) { return VoxelShapes.c(voxelshape, voxelshape1, operatorboolean); } // Paper - OBFHELPER
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public static boolean c(VoxelShape voxelshape, VoxelShape voxelshape1, OperatorBoolean operatorboolean) {
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if (operatorboolean.apply(false, false)) {
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throw (IllegalArgumentException) SystemUtils.c(new IllegalArgumentException());
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index 2e19fbddb6ede4abf02c79b4e72d11f89db05433..ca3e831e3191dd8ffe7f2b6ab9ecc05acfe1b0af 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -172,6 +172,46 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
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this.tileLimiter = new org.spigotmc.TickLimiter(spigotConfig.tileMaxTickTime);
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}
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+ // Paper start
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+ // ret true if no collision
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+ public final boolean checkEntityCollision(IBlockData data, Entity source, VoxelShapeCollision voxelshapedcollision,
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+ BlockPosition position, boolean checkCanSee) {
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+ // Copied from IWorldReader#a(IBlockData, BlockPosition, VoxelShapeCollision) & EntityAccess#a(Entity, VoxelShape)
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+ VoxelShape voxelshape = data.getCollisionShape(this, position, voxelshapedcollision);
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+ if (voxelshape.isEmpty()) {
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+ return true;
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+ }
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+
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+ voxelshape = voxelshape.offset((double) position.getX(), (double) position.getY(), (double) position.getZ());
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+ if (voxelshape.isEmpty()) {
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+ return true;
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+ }
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+
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+ List<Entity> entities = this.getEntities(null, voxelshape.getBoundingBox());
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+ for (int i = 0, len = entities.size(); i < len; ++i) {
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+ Entity entity = entities.get(i);
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+
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+ if (checkCanSee && source instanceof EntityPlayer && entity instanceof EntityPlayer
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+ && !((EntityPlayer) source).getBukkitEntity().canSee(((EntityPlayer) entity).getBukkitEntity())) {
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+ continue;
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+ }
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+
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+ // !entity1.dead && entity1.i && (entity == null || !entity1.x(entity));
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+ // elide the last check since vanilla calls with entity = null
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+ // only we care about the source for the canSee check
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+ if (entity.dead || !entity.blocksEntitySpawning()) {
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+ continue;
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+ }
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+
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+ if (VoxelShapes.applyOperation(voxelshape, VoxelShapes.of(entity.getBoundingBox()), OperatorBoolean.AND)) {
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+ return false;
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+ }
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+ }
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+
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+ return true;
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+ }
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+ // Paper end
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+
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@Override
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public boolean s_() {
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return this.isClientSide;
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diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
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index ec079f7d04f17cc82bd65aec5abfe269bbfb6922..1a74690daa05c46c3c0be02a762951efbe945e65 100644
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--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
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+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
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@@ -1190,6 +1190,14 @@ public class CraftEventFactory {
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Projectile projectile = (Projectile) entity.getBukkitEntity();
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org.bukkit.entity.Entity collided = position.getEntity().getBukkitEntity();
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com.destroystokyo.paper.event.entity.ProjectileCollideEvent event = new com.destroystokyo.paper.event.entity.ProjectileCollideEvent(projectile, collided);
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+
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+ if (projectile.getShooter() instanceof Player && collided instanceof Player) {
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+ if (!((Player) projectile.getShooter()).canSee((Player) collided)) {
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+ event.setCancelled(true);
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+ return event;
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+ }
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+ }
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+
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Bukkit.getPluginManager().callEvent(event);
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return event;
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}
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