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    <title>Mojang Studios Jira</title>
    <link>https://bugs.mojang.com</link>
    <description>This file is an XML representation of an issue</description>
    <language>en</language>    <build-info>
        <version>9.12.2</version>
        <build-number>9120002</build-number>
        <build-date>10-01-2024</build-date>
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<item>
            <title>[MCPE-19931] [Resolved] Locked repeater texture changes during redstone updates</title>
                <link>https://bugs.mojang.com/browse/MCPE-19931</link>
                <project id="10200" key="MCPE">Minecraft (Bedrock codebase)</project>
                    <description>&lt;p&gt;The texture of the top of the bedrock bar on a locked repeater changes randomly between two patterns. The patterns appear to be two rows taken from the Bedrock.png texture, alternating between rows 7-8 and 8-9 counting from the top row as row 1. The side textures of the locking bar do not change.&lt;/p&gt;</description>
            <key id="162094">MCPE-19931</key>
            <summary>[Resolved] Locked repeater texture changes during redstone updates</summary>
                <type id="1" iconUrl="https://bugs.mojang.com/secure/viewavatar?size=xsmall&amp;avatarId=18903&amp;avatarType=issuetype">Bug</type>
                                    <status id="5" iconUrl="https://bugs.mojang.com/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="1">Fixed</resolution>
                                            <reporter username="Auldrick">[MCPE Mod] Auldrick</reporter>
                        <labels>
                            <label>model</label>
                            <label>redstone-repeater</label>
                            <label>texture</label>
                    </labels>
                <created>Mon, 6 Feb 2017 20:44:27 +0100</created>
                <updated>Tue, 24 Oct 2017 21:18:12 +0200</updated>
                            <resolved>Tue, 24 Oct 2017 21:18:12 +0200</resolved>
                                    <version>1.0.2</version>
                    <version>1.0.3</version>
                    <version>1.0.6.52</version>
                                    <fixVersion>1.2.3.6</fixVersion>
                                                        <votes>1</votes>
                                    <watches>2</watches>
                                                                            <comments>
                            <comment id="396533" author="lilgator3195" created="Tue, 1 Aug 2017 03:49:54 +0200"  >&lt;p&gt;Good eye but that wouldnt be big enough to bug me.&lt;/p&gt;</comment>
                            <comment id="396529" author="handlbar.rick@comcast.net" created="Tue, 1 Aug 2017 03:44:03 +0200"  >&lt;p&gt;Seems to be fixed in 1.2.0.2.&lt;/p&gt;</comment>
                            <comment id="357924" author="handlbar.rick@comcast.net" created="Tue, 7 Feb 2017 09:09:36 +0100"  >&lt;p&gt;I have now determined how to reproduce the bug on demand. It is definitely caused by redstone updates being initiated within a chunk or from an adjacent chunk. It is not random; it only appeared random to me because I had several unsynchronized clock circuits operating in different adjacent chunks.&lt;/p&gt;

&lt;p&gt;The top of a locking bar is normally rendered as in the Texture 1 attachment, using pixels 3-14 from rows 7-8 of the Bedrock.png texture. When the bug is triggered it changes to rows 8-9, then reverts back to rows 7-8 one tick later. (I&apos;m not sure if it&apos;s one game tick or one redstone tick.)&lt;/p&gt;</comment>
                            <comment id="357914" author="drawesome4333" created="Tue, 7 Feb 2017 04:16:08 +0100"  >&lt;p&gt;I can confirm this. The issue appears to happen any time the rendering buffers are updated via placing a block or having a red stone components update or flipping a lever which would appear to be the reason it is not in sync in different chunks.&lt;/p&gt;</comment>
                            <comment id="357872" author="handlbar.rick@comcast.net" created="Mon, 6 Feb 2017 22:41:33 +0100"  >&lt;p&gt;Additional information: The oscillation of textures seems to be chunk-related. All repeaters within a chunk appear to oscillate in sync, but repeaters in different chunks are not in sync, and repeaters in some chunks do not oscillate randomly at all (they match Texture 1.png). However, if you watch a lock bar as you cross a chunk boundary, you will see it oscillate to Texture 2.png and back again, exactly once, in every chunk.&lt;/p&gt;

&lt;p&gt;Also, I created a flat world to experiment and replaced the top grass layer of a bunch of chunks with different colors of stained hardened clay so I could monitor where the chunk boundaries are more easily. I have not been able to reproduce the random oscillating textures in that world, so it may be that something else in my original world is triggering the bug. The single oscillation that occurs when you cross a chunk boundary does persist in my experimental world, however. I will continue to experiment to see if I can cause the bug in this world.&lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                            <attachment id="133270" name="Texture 1.png" size="877100" author="Auldrick" created="Mon, 6 Feb 2017 20:44:27 +0100"/>
                            <attachment id="133271" name="Texture 2.png" size="539427" author="Auldrick" created="Mon, 6 Feb 2017 20:44:27 +0100"/>
                    </attachments>
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