Mirrors/Paper
3
0
Fork 1
Mirror von https://github.com/PaperMC/Paper.git synchronisiert 2024-12-15 19:10:09 +01:00
Code Issues Projekte Releases Wiki Aktivität
5c82955733
Paper/patches/server/0736-Fire-EntityChangeBlockEvent-in-more-places.patch
Bjarne Koll d1a72eac31
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#11405) 
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:
1fc1020a PR-1049: Add MenuType API
8ae2e3be PR-1055: Expand riptiding API
cac68bfb SPIGOT-7890: AttributeModifier#getUniqueId() doesn't match the UUID passed to its constructor
7004fcf2 SPIGOT-7886: Fix mistake in AttributeModifier UUID shim
1ac7f950 PR-1054: Add FireworkMeta#hasPower
4cfb565f SPIGOT-7873: Add powered state for skulls

CraftBukkit Changes:
bbb30e7a8 SPIGOT-7894: NPE when sending tile entity update
ba21e9472 SPIGOT-7895: PlayerItemBreakEvent not firing
0fb24bbe0 SPIGOT-7875: Fix PlayerItemConsumeEvent cancellation causing client-side desync
815066449 SPIGOT-7891: Can't remove second ingredient of MerchantRecipe
45c206f2c PR-1458: Add MenuType API
19c8ef9ae SPIGOT-7867: Merchant instanceof AbstractVillager always returns false
4e006d28f PR-1468: Expand riptiding API
bd8aded7d Ignore checks in CraftPlayerProfile for ResolvableProfile used in profile components
8679620b5 SPIGOT-7889: Fix tool component deserialisation without speed and/or correct-for-drops
8d5222691 SPIGOT-7882, PR-1467: Fix conversion of name in Profile Component to empty if it is missing
63f91669a SPIGOT-7887: Remove duplicate ProjectileHitEvent for fireballs
7070de8c8 SPIGOT-7878: Server#getLootTable does not return null on invalid loot table
060ee6cae SPIGOT-7876: Can't kick player or disconnect player in PlayerLoginEvent when checking for cookies
7ccb86cc0 PR-1465: Add FireworkMeta#hasPower
804ad6491 SPIGOT-7873: Add powered state for skulls
f9610cdcb Improve minecart movement

Spigot Changes:
a759b629 Rebuild patches

Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
2024-09-15 21:39:53 +02:00

345 Zeilen
21 KiB
Diff
Originalformat Blame Verlauf

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Mon, 9 Aug 2021 20:45:46 -0700
Subject: [PATCH] Fire EntityChangeBlockEvent in more places
Co-authored-by: ChristopheG <61288881+chrisgdt@users.noreply.github.com>
Co-authored-by: maxcom1 <46265094+maxcom1@users.noreply.github.com>
diff --git a/src/main/java/net/minecraft/world/effect/WeavingMobEffect.java b/src/main/java/net/minecraft/world/effect/WeavingMobEffect.java
index 6a84eaeddd0d7f050053c8aa0659d6811192aad4..1b2d41a6c6f149701c8a78f3d345f45069f1f857 100644
--- a/src/main/java/net/minecraft/world/effect/WeavingMobEffect.java
+++ b/src/main/java/net/minecraft/world/effect/WeavingMobEffect.java
@@ -25,11 +25,11 @@ class WeavingMobEffect extends MobEffect {
@Override
public void onMobRemoved(LivingEntity entity, int amplifier, Entity.RemovalReason reason) {
if (reason == Entity.RemovalReason.KILLED && (entity instanceof Player || entity.level().getGameRules().getBoolean(GameRules.RULE_MOBGRIEFING))) {
- this.spawnCobwebsRandomlyAround(entity.level(), entity.getRandom(), entity.getOnPos());
+ this.spawnCobwebsRandomlyAround(entity, entity.level(), entity.getRandom(), entity.getOnPos()); // Paper - Fire EntityChangeBlockEvent in more places
}
}
- private void spawnCobwebsRandomlyAround(Level world, RandomSource random, BlockPos pos) {
+ private void spawnCobwebsRandomlyAround(LivingEntity entity, Level world, RandomSource random, BlockPos pos) { // Paper - Fire EntityChangeBlockEvent in more places
Set<BlockPos> set = Sets.newHashSet();
int i = this.maxCobwebs.applyAsInt(random);
@@ -46,6 +46,7 @@ class WeavingMobEffect extends MobEffect {
}
for (BlockPos blockPos3 : set) {
+ if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(entity, blockPos3, Blocks.COBWEB.defaultBlockState())) continue; // Paper - Fire EntityChangeBlockEvent in more places
world.setBlock(blockPos3, Blocks.COBWEB.defaultBlockState(), 3);
world.levelEvent(3018, blockPos3, 0);
}
diff --git a/src/main/java/net/minecraft/world/entity/LightningBolt.java b/src/main/java/net/minecraft/world/entity/LightningBolt.java
index bf5015c4bb68e5c46313bab1e59c0a4d45053b73..0471d9c85af02133f99cca4e181b83b58a3f1abc 100644
--- a/src/main/java/net/minecraft/world/entity/LightningBolt.java
+++ b/src/main/java/net/minecraft/world/entity/LightningBolt.java
@@ -99,7 +99,7 @@ public class LightningBolt extends Entity {
}
this.powerLightningRod();
- LightningBolt.clearCopperOnLightningStrike(this.level(), this.getStrikePosition());
+ LightningBolt.clearCopperOnLightningStrike(this.level(), this.getStrikePosition(), this); // Paper - Call EntityChangeBlockEvent
this.gameEvent(GameEvent.LIGHTNING_STRIKE);
}
}
@@ -193,7 +193,7 @@ public class LightningBolt extends Entity {
}
}
- private static void clearCopperOnLightningStrike(Level world, BlockPos pos) {
+ private static void clearCopperOnLightningStrike(Level world, BlockPos pos, Entity lightning) { // Paper - Call EntityChangeBlockEvent
BlockState iblockdata = world.getBlockState(pos);
BlockPos blockposition1;
BlockState iblockdata1;
@@ -207,24 +207,29 @@ public class LightningBolt extends Entity {
}
if (iblockdata1.getBlock() instanceof WeatheringCopper) {
- world.setBlockAndUpdate(blockposition1, WeatheringCopper.getFirst(world.getBlockState(blockposition1)));
+ // Paper start - Call EntityChangeBlockEvent
+ BlockState newBlock = WeatheringCopper.getFirst(world.getBlockState(blockposition1));
+ if (CraftEventFactory.callEntityChangeBlockEvent(lightning, blockposition1, newBlock)) {
+ world.setBlockAndUpdate(blockposition1, newBlock);
+ }
+ // Paper end - Call EntityChangeBlockEvent
BlockPos.MutableBlockPos blockposition_mutableblockposition = pos.mutable();
int i = world.random.nextInt(3) + 3;
for (int j = 0; j < i; ++j) {
int k = world.random.nextInt(8) + 1;
- LightningBolt.randomWalkCleaningCopper(world, blockposition1, blockposition_mutableblockposition, k);
+ LightningBolt.randomWalkCleaningCopper(world, blockposition1, blockposition_mutableblockposition, k, lightning); // Paper - transmit LightningBolt instance to call EntityChangeBlockEvent
}
}
}
- private static void randomWalkCleaningCopper(Level world, BlockPos pos, BlockPos.MutableBlockPos mutablePos, int count) {
+ private static void randomWalkCleaningCopper(Level world, BlockPos pos, BlockPos.MutableBlockPos mutablePos, int count, Entity lightning) { // Paper - transmit LightningBolt instance to call EntityChangeBlockEvent
mutablePos.set(pos);
for (int j = 0; j < count; ++j) {
- Optional<BlockPos> optional = LightningBolt.randomStepCleaningCopper(world, mutablePos);
+ Optional<BlockPos> optional = LightningBolt.randomStepCleaningCopper(world, mutablePos, lightning); // Paper - transmit LightningBolt instance to call EntityChangeBlockEvent
if (optional.isEmpty()) {
break;
@@ -235,7 +240,7 @@ public class LightningBolt extends Entity {
}
- private static Optional<BlockPos> randomStepCleaningCopper(Level world, BlockPos pos) {
+ private static Optional<BlockPos> randomStepCleaningCopper(Level world, BlockPos pos, Entity lightning) { // Paper - transmit LightningBolt instance to call EntityChangeBlockEvent
Iterator iterator = BlockPos.randomInCube(world.random, 10, pos, 1).iterator();
BlockPos blockposition1;
@@ -252,6 +257,7 @@ public class LightningBolt extends Entity {
BlockPos blockposition1Final = blockposition1; // CraftBukkit - decompile error
WeatheringCopper.getPrevious(iblockdata).ifPresent((iblockdata1) -> {
+ if (CraftEventFactory.callEntityChangeBlockEvent(lightning, blockposition1Final, iblockdata1)) // Paper - call EntityChangeBlockEvent
world.setBlockAndUpdate(blockposition1Final, iblockdata1); // CraftBukkit - decompile error
});
world.levelEvent(3002, blockposition1, -1);
diff --git a/src/main/java/net/minecraft/world/item/AxeItem.java b/src/main/java/net/minecraft/world/item/AxeItem.java
index c227784544e52ee2c75ab1a2181e0b0ba7246f4b..f005ea92449cf5e249ff64f4791c3bc6b8635528 100644
--- a/src/main/java/net/minecraft/world/item/AxeItem.java
+++ b/src/main/java/net/minecraft/world/item/AxeItem.java
@@ -65,6 +65,11 @@ public class AxeItem extends DiggerItem {
return InteractionResult.PASS;
} else {
ItemStack itemStack = context.getItemInHand();
+ // Paper start - EntityChangeBlockEvent
+ if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(player, blockPos, optional.get())) {
+ return InteractionResult.PASS;
+ }
+ // Paper end
if (player instanceof ServerPlayer) {
CriteriaTriggers.ITEM_USED_ON_BLOCK.trigger((ServerPlayer)player, blockPos, itemStack);
}
diff --git a/src/main/java/net/minecraft/world/item/EnderEyeItem.java b/src/main/java/net/minecraft/world/item/EnderEyeItem.java
index 391579b515c5a07066f82b33c4f9ef8ee1d05530..d8ce44a180f848f4c9c04967470c4359af979b2f 100644
--- a/src/main/java/net/minecraft/world/item/EnderEyeItem.java
+++ b/src/main/java/net/minecraft/world/item/EnderEyeItem.java
@@ -46,6 +46,11 @@ public class EnderEyeItem extends Item {
return InteractionResult.SUCCESS;
} else {
BlockState iblockdata1 = (BlockState) iblockdata.setValue(EndPortalFrameBlock.HAS_EYE, true);
+ // Paper start
+ if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(context.getPlayer(), blockposition, iblockdata1)) {
+ return InteractionResult.PASS;
+ }
+ // Paper end
Block.pushEntitiesUp(iblockdata, iblockdata1, world, blockposition);
world.setBlock(blockposition, iblockdata1, 2);
diff --git a/src/main/java/net/minecraft/world/item/HoneycombItem.java b/src/main/java/net/minecraft/world/item/HoneycombItem.java
index decabf6fccaca3d1bfeba679ac71677d33315f5e..14d37bf64af719eae3ea154ea7f952cc27712b57 100644
--- a/src/main/java/net/minecraft/world/item/HoneycombItem.java
+++ b/src/main/java/net/minecraft/world/item/HoneycombItem.java
@@ -74,6 +74,14 @@ public class HoneycombItem extends Item implements SignApplicator {
return getWaxed(blockState).map(state -> {
Player player = context.getPlayer();
ItemStack itemStack = context.getItemInHand();
+ // Paper start - EntityChangeBlockEvent
+ if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(player, blockPos, state)) {
+ if (!player.isCreative()) {
+ player.containerMenu.sendAllDataToRemote();
+ }
+ return InteractionResult.PASS;
+ }
+ // Paper end
if (player instanceof ServerPlayer) {
CriteriaTriggers.ITEM_USED_ON_BLOCK.trigger((ServerPlayer)player, blockPos, itemStack);
}
diff --git a/src/main/java/net/minecraft/world/item/PotionItem.java b/src/main/java/net/minecraft/world/item/PotionItem.java
index 92fa6523f2bba105a74fff228e36e58666ed56ae..d147b24bb57b322d3f5f4a9eb8cfef2acdd9e0f5 100644
--- a/src/main/java/net/minecraft/world/item/PotionItem.java
+++ b/src/main/java/net/minecraft/world/item/PotionItem.java
@@ -109,6 +109,12 @@ public class PotionItem extends Item {
BlockState iblockdata = world.getBlockState(blockposition);
if (context.getClickedFace() != Direction.DOWN && iblockdata.is(BlockTags.CONVERTABLE_TO_MUD) && potioncontents.is(Potions.WATER)) {
+ // Paper start
+ if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(entityhuman, blockposition, Blocks.MUD.defaultBlockState())) {
+ entityhuman.containerMenu.sendAllDataToRemote();
+ return InteractionResult.PASS;
+ }
+ // Paper end
world.playSound((Player) null, blockposition, SoundEvents.GENERIC_SPLASH, SoundSource.BLOCKS, 1.0F, 1.0F);
entityhuman.setItemInHand(context.getHand(), ItemUtils.createFilledResult(itemstack, entityhuman, new ItemStack(Items.GLASS_BOTTLE)));
entityhuman.awardStat(Stats.ITEM_USED.get(itemstack.getItem()));
diff --git a/src/main/java/net/minecraft/world/item/ShovelItem.java b/src/main/java/net/minecraft/world/item/ShovelItem.java
index c0e96284bb470353c0e54ad4e0c2205017913e61..24f6a158e4759aac3be8da4cf5e0d40bd295355b 100644
--- a/src/main/java/net/minecraft/world/item/ShovelItem.java
+++ b/src/main/java/net/minecraft/world/item/ShovelItem.java
@@ -46,20 +46,29 @@ public class ShovelItem extends DiggerItem {
Player player = context.getPlayer();
BlockState blockState2 = FLATTENABLES.get(blockState.getBlock());
BlockState blockState3 = null;
+ Runnable afterAction = null; // Paper
if (blockState2 != null && level.getBlockState(blockPos.above()).isAir()) {
- level.playSound(player, blockPos, SoundEvents.SHOVEL_FLATTEN, SoundSource.BLOCKS, 1.0F, 1.0F);
+ afterAction = () -> level.playSound(player, blockPos, SoundEvents.SHOVEL_FLATTEN, SoundSource.BLOCKS, 1.0F, 1.0F); // Paper
blockState3 = blockState2;
} else if (blockState.getBlock() instanceof CampfireBlock && blockState.getValue(CampfireBlock.LIT)) {
+ afterAction = () -> { // Paper
if (!level.isClientSide()) {
level.levelEvent(null, 1009, blockPos, 0);
}
CampfireBlock.dowse(context.getPlayer(), level, blockPos, blockState);
+ }; // Paper
blockState3 = blockState.setValue(CampfireBlock.LIT, Boolean.valueOf(false));
}
if (blockState3 != null) {
if (!level.isClientSide) {
+ // Paper start
+ if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(context.getPlayer(), blockPos, blockState3)) {
+ return InteractionResult.PASS;
+ }
+ afterAction.run();
+ // Paper end
level.setBlock(blockPos, blockState3, 11);
level.gameEvent(GameEvent.BLOCK_CHANGE, blockPos, GameEvent.Context.of(player, blockState3));
if (player != null) {
diff --git a/src/main/java/net/minecraft/world/level/block/CakeBlock.java b/src/main/java/net/minecraft/world/level/block/CakeBlock.java
index d72f4a01ca07df8a9678b3ca4707e5363e482283..43e306b5ef00b39923c1597f212b4a07fb95f1ca 100644
--- a/src/main/java/net/minecraft/world/level/block/CakeBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/CakeBlock.java
@@ -65,6 +65,12 @@ public class CakeBlock extends Block {
if (block instanceof CandleBlock) {
CandleBlock candleblock = (CandleBlock) block;
+ // Paper start - call change block event
+ if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(player, pos, CandleCakeBlock.byCandle(candleblock))) {
+ player.containerMenu.sendAllDataToRemote(); // update inv because candle could decrease
+ return ItemInteractionResult.PASS_TO_DEFAULT_BLOCK_INTERACTION;
+ }
+ // Paper end - call change block event
stack.consume(1, player);
world.playSound((Player) null, pos, SoundEvents.CAKE_ADD_CANDLE, SoundSource.BLOCKS, 1.0F, 1.0F);
world.setBlockAndUpdate(pos, CandleCakeBlock.byCandle(candleblock));
@@ -96,6 +102,14 @@ public class CakeBlock extends Block {
if (!player.canEat(false)) {
return InteractionResult.PASS;
} else {
+ // Paper start - call change block event
+ int i = state.getValue(CakeBlock.BITES);
+ final BlockState newState = i < MAX_BITES ? state.setValue(CakeBlock.BITES, i + 1) : world.getFluidState(pos).createLegacyBlock();
+ if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(player, pos, newState)) {
+ ((net.minecraft.server.level.ServerPlayer) player).getBukkitEntity().sendHealthUpdate();
+ return InteractionResult.PASS; // return a non-consume result to cake blocks don't drop their candles
+ }
+ // Paper end - call change block event
player.awardStat(Stats.EAT_CAKE_SLICE);
// CraftBukkit start
// entityhuman.getFoodData().eat(2, 0.1F);
@@ -109,7 +123,7 @@ public class CakeBlock extends Block {
((net.minecraft.server.level.ServerPlayer) player).getBukkitEntity().sendHealthUpdate();
// CraftBukkit end
- int i = (Integer) state.getValue(CakeBlock.BITES);
+ // Paper - move up
world.gameEvent((Entity) player, (Holder) GameEvent.EAT, pos);
if (i < 6) {
diff --git a/src/main/java/net/minecraft/world/level/block/ComposterBlock.java b/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
index 804adb5ed92dfcf4c29c756dd95d7164150a9666..19fa8a9f935e9063497f8c0bd7909036fa0af2b7 100644
--- a/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
@@ -239,6 +239,11 @@ public class ComposterBlock extends Block implements WorldlyContainerHolder {
if (i < 8 && ComposterBlock.COMPOSTABLES.containsKey(stack.getItem())) {
if (i < 7 && !world.isClientSide) {
BlockState iblockdata1 = ComposterBlock.addItem(player, state, world, pos, stack);
+ // Paper start - handle cancelled events
+ if (iblockdata1 == null) {
+ return ItemInteractionResult.SKIP_DEFAULT_BLOCK_INTERACTION;
+ }
+ // Paper end
world.levelEvent(1500, pos, state != iblockdata1 ? 1 : 0);
player.awardStat(Stats.ITEM_USED.get(stack.getItem()));
@@ -269,11 +274,16 @@ public class ComposterBlock extends Block implements WorldlyContainerHolder {
if (i < 7 && ComposterBlock.COMPOSTABLES.containsKey(stack.getItem())) {
// CraftBukkit start
double rand = world.getRandom().nextDouble();
- BlockState iblockdata1 = ComposterBlock.addItem(user, state, DummyGeneratorAccess.INSTANCE, pos, stack, rand);
- if (state == iblockdata1 || !org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(user, pos, iblockdata1)) {
+ BlockState iblockdata1 = null; // Paper
+ if (false && (state == iblockdata1 || !org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(user, pos, iblockdata1))) { // Paper - move event call into addItem
return state;
}
iblockdata1 = ComposterBlock.addItem(user, state, world, pos, stack, rand);
+ // Paper start - handle cancelled events
+ if (iblockdata1 == null) {
+ return state;
+ }
+ // Paper end
// CraftBukkit end
stack.shrink(1);
@@ -314,11 +324,13 @@ public class ComposterBlock extends Block implements WorldlyContainerHolder {
return iblockdata1;
}
+ @Nullable // Paper
static BlockState addItem(@Nullable Entity user, BlockState state, LevelAccessor world, BlockPos pos, ItemStack stack) {
// CraftBukkit start
return ComposterBlock.addItem(user, state, world, pos, stack, world.getRandom().nextDouble());
}
+ @Nullable // Paper - make it nullable
static BlockState addItem(@Nullable Entity entity, BlockState iblockdata, LevelAccessor generatoraccess, BlockPos blockposition, ItemStack itemstack, double rand) {
// CraftBukkit end
int i = (Integer) iblockdata.getValue(ComposterBlock.LEVEL);
@@ -329,6 +341,11 @@ public class ComposterBlock extends Block implements WorldlyContainerHolder {
} else {
int j = i + 1;
BlockState iblockdata1 = (BlockState) iblockdata.setValue(ComposterBlock.LEVEL, j);
+ // Paper start - move the EntityChangeBlockEvent here to avoid conflict later for the compost events
+ if (entity != null && !org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(entity, blockposition, iblockdata1)) {
+ return null;
+ }
+ // Paper end
generatoraccess.setBlock(blockposition, iblockdata1, 3);
generatoraccess.gameEvent((Holder) GameEvent.BLOCK_CHANGE, blockposition, GameEvent.Context.of(entity, iblockdata1));
diff --git a/src/main/java/net/minecraft/world/level/block/entity/BeehiveBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BeehiveBlockEntity.java
index ef8a0236ab4fb648c4bb2a8cfc90e3cefe8f9f1d..1a3d8755c8f6a7cfe06069e2082d8147aaaff097 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/BeehiveBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/BeehiveBlockEntity.java
@@ -259,7 +259,13 @@ public class BeehiveBlockEntity extends BlockEntity {
--j;
}
- world.setBlockAndUpdate(blockposition, (BlockState) iblockdata.setValue(BeehiveBlock.HONEY_LEVEL, i + j));
+ // Paper start - Fire EntityChangeBlockEvent in more places
+ BlockState newBlockState = iblockdata.setValue(BeehiveBlock.HONEY_LEVEL, i + j);
+
+ if (org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(entitybee, blockposition, newBlockState)) {
+ world.setBlockAndUpdate(blockposition, newBlockState);
+ }
+ // Paper end - Fire EntityChangeBlockEvent in more places
}
}
}
diff --git a/src/main/java/org/bukkit/craftbukkit/util/DummyGeneratorAccess.java b/src/main/java/org/bukkit/craftbukkit/util/DummyGeneratorAccess.java
index daf3c26fce7569761951bfd5594c6726d854a9ff..e8a73d34dbb372581b03018aade170a31c266099 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/DummyGeneratorAccess.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/DummyGeneratorAccess.java
@@ -120,7 +120,7 @@ public class DummyGeneratorAccess implements WorldGenLevel {
@Override
public void gameEvent(Holder<GameEvent> event, Vec3 emitterPos, GameEvent.Context emitter) {
- // Used by BlockComposter
+ // Used by ComposterBlock
}
@Override
In neuem Issue referenzieren Git Blame ansehen Permalink kopieren