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path: root/patches/server/0383-Add-permission-for-command-blocks.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Sat, 16 May 2020 10:05:30 +0200
Subject: [PATCH] Add permission for command blocks


diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
index cd6f34ee326228036f8c025e4e6d04e0c15ba06f..2f0d56c78584abe27ef050258827103fb60d5785 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
@@ -400,7 +400,7 @@ public class ServerPlayerGameMode {
             BlockEntity tileentity = this.level.getBlockEntity(pos);
             Block block = iblockdata.getBlock();
 
-            if (block instanceof GameMasterBlock && !this.player.canUseGameMasterBlocks()) {
+            if (block instanceof GameMasterBlock && !this.player.canUseGameMasterBlocks() && !(block instanceof net.minecraft.world.level.block.CommandBlock && (this.player.isCreative() && this.player.getBukkitEntity().hasPermission("minecraft.commandblock")))) { // Paper - command block permission
                 this.level.sendBlockUpdated(pos, iblockdata, iblockdata, 3);
                 return false;
             } else if (this.player.blockActionRestricted(this.level, pos, this.gameModeForPlayer)) {
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 8cb7b1c6ce0d0cc5bbd9d373772ef3aae3f62c7f..5bc22e58a6ddfc0a5459c68e99fdf1095f23f0d8 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -803,7 +803,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
         PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel());
         if (!this.server.isCommandBlockEnabled()) {
             this.player.sendSystemMessage(Component.translatable("advMode.notEnabled"));
-        } else if (!this.player.canUseGameMasterBlocks()) {
+        } else if (!this.player.canUseGameMasterBlocks() && (!this.player.isCreative() || !this.player.getBukkitEntity().hasPermission("minecraft.commandblock"))) { // Paper - command block permission
             this.player.sendSystemMessage(Component.translatable("advMode.notAllowed"));
         } else {
             BaseCommandBlock commandblocklistenerabstract = null;
@@ -870,7 +870,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
         PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel());
         if (!this.server.isCommandBlockEnabled()) {
             this.player.sendSystemMessage(Component.translatable("advMode.notEnabled"));
-        } else if (!this.player.canUseGameMasterBlocks()) {
+        } else if (!this.player.canUseGameMasterBlocks() && (!this.player.isCreative() || !this.player.getBukkitEntity().hasPermission("minecraft.commandblock"))) { // Paper - command block permission
             this.player.sendSystemMessage(Component.translatable("advMode.notAllowed"));
         } else {
             BaseCommandBlock commandblocklistenerabstract = packet.getCommandBlock(this.player.level());
diff --git a/src/main/java/net/minecraft/world/level/BaseCommandBlock.java b/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
index 2d0eac7a8aa94ed6c4ec024bc6024440cbeac702..e40069d937de5fd00741ae6873abeecc46b93732 100644
--- a/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
+++ b/src/main/java/net/minecraft/world/level/BaseCommandBlock.java
@@ -203,7 +203,7 @@ public abstract class BaseCommandBlock implements CommandSource {
     }
 
     public InteractionResult usedBy(Player player) {
-        if (!player.canUseGameMasterBlocks()) {
+        if (!player.canUseGameMasterBlocks() && (!player.isCreative() || !player.getBukkitEntity().hasPermission("minecraft.commandblock"))) { // Paper - command block permission
             return InteractionResult.PASS;
         } else {
             if (player.getCommandSenderWorld().isClientSide) {
diff --git a/src/main/java/net/minecraft/world/level/block/CommandBlock.java b/src/main/java/net/minecraft/world/level/block/CommandBlock.java
index 0530b2a6324ec3ac0b3929aab7c0fa89de8bd9b9..ec1a8c60ccac50e5131f937c4262128fd2768331 100644
--- a/src/main/java/net/minecraft/world/level/block/CommandBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/CommandBlock.java
@@ -141,7 +141,7 @@ public class CommandBlock extends BaseEntityBlock implements GameMasterBlock {
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         BlockEntity tileentity = world.getBlockEntity(pos);
 
-        if (tileentity instanceof CommandBlockEntity && player.canUseGameMasterBlocks()) {
+        if (tileentity instanceof CommandBlockEntity && (player.canUseGameMasterBlocks() || (player.isCreative() && player.getBukkitEntity().hasPermission("minecraft.commandblock")))) { // Paper - command block permission
             player.openCommandBlock((CommandBlockEntity) tileentity);
             return InteractionResult.sidedSuccess(world.isClientSide);
         } else {
diff --git a/src/main/java/org/bukkit/craftbukkit/util/permissions/CraftDefaultPermissions.java b/src/main/java/org/bukkit/craftbukkit/util/permissions/CraftDefaultPermissions.java
index 245ad120a36b6defca7e6889faae1ca5fc33d0c7..e0e61115ada9a49d4c528c5d4e02a1ca571d9531 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/permissions/CraftDefaultPermissions.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/permissions/CraftDefaultPermissions.java
@@ -16,6 +16,7 @@ public final class CraftDefaultPermissions {
         DefaultPermissions.registerPermission(CraftDefaultPermissions.ROOT + ".nbt.copy", "Gives the user the ability to copy NBT in creative", org.bukkit.permissions.PermissionDefault.TRUE, parent);
         DefaultPermissions.registerPermission(CraftDefaultPermissions.ROOT + ".debugstick", "Gives the user the ability to use the debug stick in creative", org.bukkit.permissions.PermissionDefault.OP, parent);
         DefaultPermissions.registerPermission(CraftDefaultPermissions.ROOT + ".debugstick.always", "Gives the user the ability to use the debug stick in all game modes", org.bukkit.permissions.PermissionDefault.FALSE/* , parent */); // Paper - should not have this parent, as it's not a "vanilla" utility
+        DefaultPermissions.registerPermission(CraftDefaultPermissions.ROOT + ".commandblock", "Gives the user the ability to use command blocks.", org.bukkit.permissions.PermissionDefault.OP, parent); // Paper
         // Spigot end
         parent.recalculatePermissibles();
     }