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<channel>
    <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>
    </build-info>


<item>
            <title>[MC-911] Sunlight in big caves and under overhangs</title>
                <link>https://bugs.mojang.com/browse/MC-911</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;In bigger caves and under overhangs you get sunlight as if there were no ceiling - mobs start bruning and the floor gets lit up.&lt;/p&gt;

&lt;p&gt;This bug is 100% reproducable and not even hard to fix once you understand it:&lt;/p&gt;

&lt;p&gt;Chunks get split in 16x16x16 Sections.&lt;br/&gt;
If a Section is empty it gets deleted from the save to make the world smaller (as in how much space it takes on the Harddrive). Sections in the same chunk assume that they must be exposed to sunlight if there is an empty (and thus deleted) section above it and act as if they were, creating ugly patches of light in big caves. This bug is almost exclusive to custom maps, since the terrain generation almost never produces caves that are big enough, but it is a gamebreaker in maps (makes them too easy and look ugly).&lt;/p&gt;

&lt;p&gt;To fix this bug you don&apos;t have to rewrite the whole lighting system - simply let the sections check the whole chunk when calculating sunlight.&lt;/p&gt;

&lt;p&gt;To recreate the bug, make an empty chunk (create a superflat world to speed this up) and put a ceiling at least 16 blocks above the ground, big enough to block all sunlight. Then restart the game. Now there should be sunlight (if it doesn&apos;t happen, raise the ceiling a bit, maybe it&apos;s still in the same esection) &lt;span class=&quot;error&quot;&gt;&amp;#91;NOTE: if it doesn&amp;#39;t happen, try going away far enough to unload the chunk, wait a few seconds and then go back to it&amp;#93;&lt;/span&gt;&lt;/p&gt;</description>
                <environment>Win 7 64Bit with Java 7 but this doesn&amp;#39;t matter for that bug.</environment>
        <key id="12201">MC-911</key>
            <summary>Sunlight in big caves and under overhangs</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="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="bonehead">Sascha Baer</reporter>
                        <labels>
                            <label>lighting</label>
                            <label>overhang</label>
                            <label>space</label>
                            <label>sunlight</label>
                    </labels>
                <created>Sat, 27 Oct 2012 18:54:40 +0200</created>
                <updated>Sun, 12 Jun 2016 02:20:43 +0200</updated>
                            <resolved>Sat, 11 Jun 2016 21:11:20 +0200</resolved>
                                    <version>Minecraft 1.4.1</version>
                    <version>Minecraft 1.4.2</version>
                    <version>Minecraft 1.4.3</version>
                    <version>Minecraft 1.4.4</version>
                    <version>Minecraft 1.4.5</version>
                    <version>Snapshot 12w50a</version>
                    <version>Minecraft 1.4.6</version>
                    <version>Minecraft 1.4.7</version>
                    <version>Snapshot 13w04a</version>
                    <version>Snapshot 13w05b</version>
                    <version>Snapshot 13w06a</version>
                    <version>Snapshot 13w07a</version>
                    <version>Snapshot 13w10b</version>
                    <version>Minecraft 1.5</version>
                    <version>Minecraft 1.5.1</version>
                    <version>Minecraft 1.5.2</version>
                    <version>Minecraft 1.6.2</version>
                    <version>Minecraft 1.6.4</version>
                    <version>Minecraft 13w38a</version>
                    <version>Minecraft 13w38b</version>
                    <version>Minecraft 13w38c</version>
                    <version>Minecraft 13w39b</version>
                    <version>Minecraft 13w41a</version>
                    <version>Minecraft 13w41b</version>
                    <version>Minecraft 1.7.4</version>
                    <version>Minecraft 14w04b</version>
                    <version>Minecraft 14w05b</version>
                    <version>Minecraft 14w06a</version>
                    <version>Minecraft 14w06b</version>
                    <version>Minecraft 14w08a</version>
                    <version>Minecraft 1.7.5</version>
                    <version>Minecraft 14w10b</version>
                    <version>Minecraft 14w10c</version>
                    <version>Minecraft 1.7.9</version>
                    <version>Minecraft 14w18b</version>
                    <version>Minecraft 14w19a</version>
                    <version>Minecraft 14w21b</version>
                    <version>Minecraft 14w32d</version>
                    <version>Minecraft 15w42a</version>
                    <version>Minecraft 1.8.9</version>
                    <version>Minecraft 15w51b</version>
                    <version>Minecraft 1.9.4</version>
                    <version>Minecraft 1.10</version>
                                                                        <votes>148</votes>
                                    <watches>28</watches>
                                                                            <comments>
                            <comment id="312869" author="cubethethird" created="Sat, 11 Jun 2016 23:17:24 +0200"  >&lt;p&gt;Parent reports aren&apos;t always selected based on when they were reported. We at times choose other reports based on the information they provide and such.&lt;/p&gt;</comment>
                            <comment id="312867" author="amaranth" created="Sat, 11 Jun 2016 23:12:49 +0200"  >&lt;p&gt;The other report has the actual issue triaged and has a Mojang developer assigned to it. To make it a duplicate of this we&apos;d have to copy that description over here and mess with who is assigned to what which we don&apos;t like to do. As for the duplicates of this being moved to duplicates of that, yeah, that should probably be done.&lt;/p&gt;</comment>
                            <comment id="312866" author="farogaming" created="Sat, 11 Jun 2016 23:06:45 +0200"  >&lt;p&gt;1. Why is this now a duplicate of a newer report? I think that&apos;s not how duplicates work?&lt;br/&gt;
2. This now has duplicates and is a duplicate. Can&apos;t a mod let a bot run over all the duplicates of this and change them to duplicates of the other one?&lt;/p&gt;</comment>
                            <comment id="312846" author="farogaming" created="Sat, 11 Jun 2016 20:53:18 +0200"  >&lt;p&gt;Yes, I can confirm that. I did something similar before, but it didn&apos;t work.&lt;/p&gt;</comment>
                            <comment id="312805" author="jonathan2520" created="Sat, 11 Jun 2016 18:17:15 +0200"  >&lt;p&gt;Create a default superflat world. Run this command:&lt;/p&gt;

&lt;p&gt;/fill ~-32 32 ~-32 ~31 32 ~31 stone&lt;/p&gt;

&lt;p&gt;Only a few blocks are shadowed on the client. The server does immediately start spawning mobs. Spawning will follow a peculiar pattern along the southern and western edges, but manually placing zombies elsewhere under the roof doesn&apos;t make them burn. Apparently this is mostly or entirely a client-side bug.&lt;/p&gt;

&lt;p&gt;This is in 1.10, by the way.&lt;/p&gt;</comment>
                            <comment id="312317" author="redstonehelper" created="Fri, 10 Jun 2016 00:46:55 +0200"  >&lt;p&gt;Anybody able to confirm in 1.10?&lt;/p&gt;</comment>
                            <comment id="312301" author="farogaming" created="Fri, 10 Jun 2016 00:14:29 +0200"  >&lt;p&gt;I can&apos;t confirm in 1.10.&lt;/p&gt;</comment>
                            <comment id="286724" author="JIRAUSER71590" created="Wed, 17 Feb 2016 18:36:12 +0100"  >&lt;p&gt;relates to &lt;a href=&quot;https://bugs.mojang.com/browse/MC-29490&quot; title=&quot;1.7+ lighting bug / black spots&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-29490&quot;&gt;&lt;del&gt;MC-29490&lt;/del&gt;&lt;/a&gt; &lt;/p&gt;</comment>
                            <comment id="274115" author="james549" created="Wed, 23 Dec 2015 01:27:56 +0100"  >&lt;p&gt;Confirmed for &lt;b&gt;1.8.9&lt;/b&gt; and &lt;b&gt;15w51b&lt;/b&gt;.&lt;/p&gt;</comment>
                            <comment id="264760" author="fm22" created="Fri, 13 Nov 2015 21:33:05 +0100"  >&lt;p&gt;Anyone getting this in 46a?&lt;/p&gt;</comment>
                            <comment id="256076" author="zoup123" created="Sat, 17 Oct 2015 16:47:43 +0200"  >&lt;p&gt;I&apos;m seeing this in 15w42b.&lt;/p&gt;</comment>
                            <comment id="204949" author="galaxy_2alex" created="Fri, 24 Oct 2014 19:10:43 +0200"  >&lt;p&gt;Is this still a concern in the &lt;em&gt;current Minecraft version&lt;/em&gt; &lt;b&gt;1.8.1 Prerelease 3&lt;/b&gt; / Launcher version &lt;b&gt;1.5.3&lt;/b&gt; or later? If so, please &lt;em&gt;update the affected versions&lt;/em&gt; in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.&lt;/p&gt;

&lt;p&gt;Make sure you are in a new world.&lt;/p&gt;</comment>
                            <comment id="187915" author="qmagnet" created="Wed, 13 Aug 2014 00:41:20 +0200"  >&lt;p&gt;Is it reproduceable on new worlds though?&lt;br/&gt;
&lt;a href=&quot;https://twitter.com/SeargeDP/status/491938604827295744&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://twitter.com/SeargeDP/status/491938604827295744&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="187595" author="tintti214" created="Mon, 11 Aug 2014 21:45:31 +0200"  >&lt;p&gt;Still reproduceable in 14w32d!&lt;/p&gt;</comment>
                            <comment id="163704" author="amaranth" created="Wed, 18 Jun 2014 01:31:21 +0200"  >&lt;p&gt;I believe Dinnerbone mentioned, back around 1.4 or 1.5, all chunk sections below the heightmap are now always created because of this issue. I&apos;d have to do some checking to make sure but if that&apos;s the case wouldn&apos;t this just be &lt;a href=&quot;https://bugs.mojang.com/browse/MC-7508&quot; title=&quot;lighting error due to Chunk.heightMap ignoring block at the top level of an ExtendedBlockStorage instance (off by 1 error)&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-7508&quot;&gt;&lt;del&gt;MC-7508&lt;/del&gt;&lt;/a&gt; now? Specifically, is the problem that the heightmap (really it&apos;s a lightmap, ignores transparent blocks) is broken or does this still always happen regardless of what the heightmap is? To test that I suppose you&apos;d want to test a more vanilla-like environment where you&apos;re carving a hole deep underground. The key point is that you have a lot of ground above your hole, at least 16 blocks.&lt;/p&gt;</comment>
                            <comment id="163436" author="outsidefactor" created="Mon, 16 Jun 2014 02:31:14 +0200"  >&lt;p&gt;OP, can we get an update of the affected versions field please? 14w21b.&lt;/p&gt;</comment>
                            <comment id="157558" author="outsidefactor" created="Wed, 14 May 2014 06:46:54 +0200"  >&lt;p&gt;Original poster or Mod, can we can an update to the affected versions, please? Both 1.7.9 and 14w19a, if you please.&lt;/p&gt;</comment>
                            <comment id="145455" author="mistersanderson" created="Fri, 7 Mar 2014 23:06:26 +0100"  >&lt;p&gt;Still present in 1.7.5.&lt;/p&gt;</comment>
                            <comment id="139165" author="countsorlof" created="Sat, 8 Feb 2014 16:49:31 +0100"  >&lt;p&gt;A big room I built with the bug.&lt;/p&gt;</comment>
                            <comment id="139163" author="countsorlof" created="Sat, 8 Feb 2014 16:47:38 +0100"  >&lt;p&gt;This is still an issue, I was building a rollercoaster in a superflat world with big setpieces the rollercoaster goes through. One of these is in a very large dark room but the bug makes it look like there is sunlight inside. I made a video of the room and bug: &lt;a href=&quot;http://www.youtube.com/watch?v=4UBPaK6oFsk&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.youtube.com/watch?v=4UBPaK6oFsk&lt;/a&gt; &lt;br/&gt;
It really sucks and i put such effort building this room only to find this damn bug.&lt;/p&gt;</comment>
                            <comment id="133508" author="ezekielelin" created="Wed, 22 Jan 2014 15:26:25 +0100"  >&lt;p&gt;Is this still a concern in the latest Minecraft version &lt;b&gt;14w03b&lt;/b&gt;? If so, please update the affected versions in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.&lt;/p&gt;</comment>
                            <comment id="111968" author="lss40" created="Thu, 17 Oct 2013 11:56:43 +0200"  >&lt;p&gt;This bug is a horror for a map maker, please fix!&lt;/p&gt;</comment>
                            <comment id="111500" author="dustinmaxim" created="Mon, 14 Oct 2013 04:31:10 +0200"  >&lt;p&gt;Still having issues with this in 13w41b :&apos;(&lt;/p&gt;</comment>
                            <comment id="106498" author="jespertheend" created="Thu, 26 Sep 2013 14:31:01 +0200"  >&lt;p&gt;Can&apos;t we just implement the lighting engine from crysis or something?&lt;/p&gt;</comment>
                            <comment id="106496" author="jonathan2520" created="Thu, 26 Sep 2013 14:02:08 +0200"  >&lt;p&gt;Tested in 1.6.4 and 13w38c. In both versions I created a superflat world with ground level at 16. The preset was &quot;2;7,14x3,2;1&quot;. Then I built a section-aligned platform, i.e. leaving 16 air blocks below (I think anything &#8805; 16 will do) and aligning the edges of the platform to multiples of 16 (I don&apos;t think this matters). You don&apos;t need to be quite as exact to reproduce the bug, but that&apos;s what I did and how you can reproduce my results exactly.&lt;/p&gt;

&lt;p&gt;The result after building it:&lt;br/&gt;
&lt;span class=&quot;image-wrap&quot; style=&quot;&quot;&gt;&lt;a id=&quot;42491_thumb&quot; href=&quot;https://bugs.mojang.com/secure/attachment/42491/42491_black+1.6.4+before.png&quot; title=&quot;black 1.6.4 before.png&quot; file-preview-type=&quot;image&quot; file-preview-id=&quot;42491&quot; file-preview-title=&quot;black 1.6.4 before.png&quot;&gt;&lt;img src=&quot;https://bugs.mojang.com/secure/thumbnail/42491/_thumb_42491.png&quot; style=&quot;border: 0px solid black&quot; role=&quot;presentation&quot;/&gt;&lt;/a&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;After reloading the world the shadow became a black square:&lt;br/&gt;
&lt;span class=&quot;image-wrap&quot; style=&quot;&quot;&gt;&lt;a id=&quot;42492_thumb&quot; href=&quot;https://bugs.mojang.com/secure/attachment/42492/42492_black+1.6.4+after.png&quot; title=&quot;black 1.6.4 after.png&quot; file-preview-type=&quot;image&quot; file-preview-id=&quot;42492&quot; file-preview-title=&quot;black 1.6.4 after.png&quot;&gt;&lt;img src=&quot;https://bugs.mojang.com/secure/thumbnail/42492/_thumb_42492.png&quot; style=&quot;border: 0px solid black&quot; role=&quot;presentation&quot;/&gt;&lt;/a&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;When I move closer, the game tries to relight it:&lt;br/&gt;
&lt;span class=&quot;image-wrap&quot; style=&quot;&quot;&gt;&lt;a id=&quot;42493_thumb&quot; href=&quot;https://bugs.mojang.com/secure/attachment/42493/42493_black+1.6.4+up+close.png&quot; title=&quot;black 1.6.4 up close.png&quot; file-preview-type=&quot;image&quot; file-preview-id=&quot;42493&quot; file-preview-title=&quot;black 1.6.4 up close.png&quot;&gt;&lt;img src=&quot;https://bugs.mojang.com/secure/thumbnail/42493/_thumb_42493.png&quot; style=&quot;border: 0px solid black&quot; role=&quot;presentation&quot;/&gt;&lt;/a&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;After punching a few holes and reloading:&lt;br/&gt;
&lt;span class=&quot;image-wrap&quot; style=&quot;&quot;&gt;&lt;a id=&quot;42494_thumb&quot; href=&quot;https://bugs.mojang.com/secure/attachment/42494/42494_black+1.6.4+punched.png&quot; title=&quot;black 1.6.4 punched.png&quot; file-preview-type=&quot;image&quot; file-preview-id=&quot;42494&quot; file-preview-title=&quot;black 1.6.4 punched.png&quot;&gt;&lt;img src=&quot;https://bugs.mojang.com/secure/thumbnail/42494/_thumb_42494.png&quot; style=&quot;border: 0px solid black&quot; role=&quot;presentation&quot;/&gt;&lt;/a&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;Block light is affected similarly (again after reloading):&lt;br/&gt;
&lt;span class=&quot;image-wrap&quot; style=&quot;&quot;&gt;&lt;a id=&quot;42495_thumb&quot; href=&quot;https://bugs.mojang.com/secure/attachment/42495/42495_black+1.6.4+block+light.png&quot; title=&quot;black 1.6.4 block light.png&quot; file-preview-type=&quot;image&quot; file-preview-id=&quot;42495&quot; file-preview-title=&quot;black 1.6.4 block light.png&quot;&gt;&lt;img src=&quot;https://bugs.mojang.com/secure/thumbnail/42495/_thumb_42495.png&quot; style=&quot;border: 0px solid black&quot; role=&quot;presentation&quot;/&gt;&lt;/a&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;The lesson here is that you can&apos;t cheat on lighting. Don&apos;t assume empty sections are full of sky light, as was done initially. Don&apos;t assume a primitive model of light propagation will do. No light (except direct sunlight) can pass through an entire section without changing direction. But it does light surrounding sections directly and spread around, which obviously can&apos;t be ignored.&lt;/p&gt;

&lt;p&gt;13w38c behaved identically. The launcher was 1.2.5.&lt;/p&gt;</comment>
                            <comment id="106472" author="jespertheend" created="Thu, 26 Sep 2013 09:13:46 +0200"  >&lt;p&gt;yes, I even got this problem in smaller rooms, maybe it&apos;s because I use mcedit...?&lt;/p&gt;</comment>
                            <comment id="106332" author="cubethethird" created="Thu, 26 Sep 2013 04:20:27 +0200"  >&lt;p&gt;Is this still a concern in the &lt;em&gt;current Minecraft version&lt;/em&gt; &lt;b&gt;1.6.4&lt;/b&gt; / Launcher version &lt;b&gt;1.2.5&lt;/b&gt; ? If so, please &lt;em&gt;update the affected versions&lt;/em&gt; in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.&lt;/p&gt;</comment>
                            <comment id="105159" author="vrejgaming" created="Sat, 21 Sep 2013 16:27:20 +0200"  >&lt;p&gt;Confirmed.&lt;/p&gt;</comment>
                            <comment id="101608" author="jespertheend" created="Sat, 7 Sep 2013 17:06:09 +0200"  >&lt;p&gt;My solution: don&apos;t make overhangs&lt;/p&gt;</comment>
                            <comment id="101599" author="theonecynic" created="Sat, 7 Sep 2013 16:27:16 +0200"  >&lt;p&gt;Confirmed in 13w36b playing Vechs&apos; Pigget Panic.&lt;/p&gt;

&lt;p&gt;Edit: version b, didn&apos;t try a.&lt;/p&gt;</comment>
                            <comment id="101135" author="dsohler" created="Thu, 5 Sep 2013 22:16:12 +0200"  >&lt;p&gt;At least in 1.6.2 it&#8217;s still present.&lt;/p&gt;</comment>
                            <comment id="101121" author="_zombiehunter" created="Thu, 5 Sep 2013 21:52:04 +0200"  >&lt;p&gt;Is this bug still in 1.6.2 or 13w36a? Haven&apos;t seen it anywhere up to now  ...&lt;/p&gt;</comment>
                            <comment id="93271" author="randombagel" created="Sat, 20 Jul 2013 21:49:48 +0200"  >&lt;p&gt;I had the same issue when making my custom map. Hope it gets fixed soon.&lt;/p&gt;</comment>
                            <comment id="86916" author="theonecynic" created="Tue, 9 Jul 2013 09:08:33 +0200"  >&lt;p&gt;This broke Vechs&apos; Hostile Trails - Pigget Panic &lt;img class=&quot;emoticon&quot; src=&quot;https://bugs.mojang.com/images/icons/emoticons/sad.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&lt;/p&gt;</comment>
                            <comment id="66897" author="spine_iv" created="Thu, 16 May 2013 21:30:17 +0200"  >&lt;p&gt;I can add to this as I know where my light sources came from&lt;br/&gt;
I play skyblock and after a reset of my island I noticed phantom light sources and was able to figure where they came from&lt;br/&gt;
Please ignore the commentary as I made the video before I came across this page&lt;/p&gt;

&lt;p&gt;for Note, even if you get rid of them, if you leave the chunk and come back later they reappear&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;http://www.youtube.com/watch?v=mZ-aEOrKx_c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.youtube.com/watch?v=mZ-aEOrKx_c&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;http://youtu.be/mZ-aEOrKx_c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://youtu.be/mZ-aEOrKx_c&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="58020" author="zoshi235" created="Sat, 30 Mar 2013 19:46:46 +0100"  >&lt;p&gt;Poor frapjump. In the mean time, see if doubling the thickness of the top ceiling helps. It did for my stuff.&lt;/p&gt;</comment>
                            <comment id="58019" author="skyress2000" created="Sat, 30 Mar 2013 19:10:06 +0100"  >&lt;p&gt;This broke my mob grinder... &lt;img class=&quot;emoticon&quot; src=&quot;https://bugs.mojang.com/images/icons/emoticons/sad.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&lt;/p&gt;</comment>
                            <comment id="55593" author="dsohler" created="Tue, 19 Mar 2013 21:58:15 +0100"  >&lt;p&gt;Confirmed for 1.5.1 pre-release&lt;/p&gt;</comment>
                            <comment id="46979" author="zoshi235" created="Fri, 22 Feb 2013 01:05:19 +0100"  >&lt;p&gt;Well, ok, but I meant ALL the lighting glitches. We&apos;ve had dark spots since quite a bit before the increase in height.&lt;/p&gt;</comment>
                            <comment id="46881" author="q220" created="Thu, 21 Feb 2013 19:13:56 +0100"  >&lt;p&gt;@Christian Burger We already know it is because of the raise in the default height level and the changes that had to be made to allow this increase in the first place.&lt;/p&gt;</comment>
                            <comment id="46879" author="zoshi235" created="Thu, 21 Feb 2013 18:40:27 +0100"  >&lt;p&gt;Minecraft hasn&apos;t always had these lighting issues. If only there were a reliable way to figure out exactly what change introduced what issue.&lt;/p&gt;</comment>
                            <comment id="46851" author="galaxy_2alex" created="Thu, 21 Feb 2013 10:31:52 +0100"  >&lt;p&gt;@Sascha Bear:&lt;br/&gt;
Lighting haven&apos;t got the whole rewrite yet, it&apos;s still too slow to release.&lt;/p&gt;</comment>
                            <comment id="45723" author="jespertheend" created="Thu, 14 Feb 2013 17:19:35 +0100"  >&lt;p&gt;It seems to be fixed, I&apos;m not sure though so maybe someone else might want to check it too.&lt;/p&gt;</comment>
                            <comment id="45714" author="bonehead" created="Thu, 14 Feb 2013 17:01:45 +0100"  >&lt;p&gt;Since lighting got rewritten for 13w07a, this bug MIGHT be fixed. However I can not acess the snapshot downloat at the moment so I can&apos;t check if that&apos;s the case. Can someone who has acess to the snapshot test it real quick?&lt;br/&gt;
Edit: okay mojang.com is back up and they didn&apos;t include the fixed lighting. That means the bug still exists in 13w07a&lt;/p&gt;</comment>
                            <comment id="44627" author="greatmastermario" created="Sat, 9 Feb 2013 02:20:56 +0100"  >&lt;p&gt;Large ceiling with lighting &quot;stars.&quot; Ignore the top-left, that has a hole.&lt;/p&gt;</comment>
                            <comment id="44620" author="greatmastermario" created="Sat, 9 Feb 2013 01:51:19 +0100"  >&lt;p&gt;sl and rl values in debug screen at night.&lt;/p&gt;</comment>
                            <comment id="44425" author="greatmastermario" created="Fri, 8 Feb 2013 02:48:05 +0100"  >&lt;p&gt;The bug in the debug menu also causes the &quot;sl&quot; value to be 15 in full open sky even at night. I will put a picture of this with the night in the background above to show this.&lt;/p&gt;</comment>
                            <comment id="44408" author="azurewhitewolf" created="Fri, 8 Feb 2013 01:24:19 +0100"  >&lt;p&gt;Ok I just found out some thing.  If you make a large room (say 50x50x50) and you give it a two block laired roof you will not get the light glitch that you see in all the screenshots.  The best part about it, it is repeatable!  This was tested in snapshot 13w06a&lt;/p&gt;</comment>
                            <comment id="44325" author="keybounce" created="Thu, 7 Feb 2013 22:01:16 +0100"  >&lt;p&gt;&amp;gt; I used normal superflat as the base string but added those 20 empty blocks and another layer of ground on top for the ceiling, so the ceiling was certainly more than whole chunk. That is why I asked for the very specifics. Sometimes even something as &quot;irrelevant&quot; as an offset of one block in height can affect the results.&lt;/p&gt;

&lt;p&gt;The problem is the height factor. You need an empty 16 tall minichunk.&lt;/p&gt;

&lt;p&gt;Normal superflat has values for 1 through 4. You would therefore need 17 through 32 to be empty. This means you need your roof at 33 or higher.&lt;/p&gt;</comment>
                            <comment id="44323" author="jespertheend" created="Thu, 7 Feb 2013 21:57:16 +0100"  >&lt;p&gt;I&apos;ve seen this in 1.4.7 but also in 13w06a&lt;/p&gt;</comment>
                            <comment id="44298" author="bner2008" created="Thu, 7 Feb 2013 21:00:33 +0100"  >&lt;p&gt;I noticed that, i made a huge 200 x 130 x 50 blocks arena, all closed , and the lighting was still affecting it when it was supposed to be pit black&lt;/p&gt;</comment>
                            <comment id="44297" author="azurewhitewolf" created="Thu, 7 Feb 2013 20:59:07 +0100"  >&lt;p&gt;Third shot by me is just to show the F3 screen to show that the sunlight is at a level of 15, of light.&lt;/p&gt;</comment>
                            <comment id="44291" author="azurewhitewolf" created="Thu, 7 Feb 2013 20:53:54 +0100"  >&lt;p&gt;I am still experiencing this bug in Snapshot 13w06a, one picture is taken in the day and the other was taken at night.&lt;/p&gt;</comment>
                            <comment id="44255" author="bugi74" created="Thu, 7 Feb 2013 18:49:26 +0100"  >&lt;p&gt;I used normal superflat as the base string but added those 20 empty blocks and another layer of ground on top for the ceiling, so the ceiling was certainly more than whole chunk. That is why I asked for the very specifics. Sometimes even something as &quot;irrelevant&quot; as an offset of one block in height can affect the results.&lt;/p&gt;

&lt;p&gt;(Edit: also, nobody has reported 1.4.7 to suffer from it.. maybe the bug was there, then was fixed, and has now creeped back.)&lt;/p&gt;</comment>
                            <comment id="44243" author="bonehead" created="Thu, 7 Feb 2013 18:20:07 +0100"  >&lt;p&gt;Last pic was by me. It was taken on Vechs&apos; Super Hostile #14 - Waking up, in Helix Cavern.&lt;/p&gt;

&lt;p&gt;@Markku: Normal Superflat preset, make sure the area you incase has a whole chunk in it (like, from -5/-5 to 20/20). I just tested it, the bug&apos;s still there (obviously, it wasn&apos;t fixed)&lt;/p&gt;</comment>
                            <comment id="41893" author="bugi74" created="Thu, 31 Jan 2013 20:15:11 +0100"  >&lt;p&gt;Could someone having this issue be able to give a superflat world preset string with which to try and reproduce this, and specific instructions and video settings etc.  I got interested on this but could not reproduce easily on 1.4.7 following the hints in description.  (I used 20 blocks gap between lower ground and upper ground on a superflat world, but it behaved as expected all the time.)&lt;/p&gt;</comment>
                            <comment id="41820" author="zoshi235" created="Thu, 31 Jan 2013 18:35:38 +0100"  >&lt;p&gt;There isn&apos;t a hole. Trust me. The only reason there&apos;s a hole in one of my screenshots is to show the thickness of the ceiling, it wouldn&apos;t cause the effect shown.&lt;/p&gt;</comment>
                            <comment id="41807" author="gabrielsalla" created="Thu, 31 Jan 2013 18:15:48 +0100"  >&lt;p&gt;Are you sure there&apos;s no hole?&lt;br/&gt;
I&apos;ve never saw it happen to me&lt;br/&gt;
The light level at the player is 12, should have a hole...&lt;/p&gt;</comment>
                            <comment id="41805" author="zoshi235" created="Thu, 31 Jan 2013 18:12:19 +0100"  >&lt;p&gt;There is no hole. The entire glitch is that light is passing through solid objects, as seen in my screenshots.&lt;/p&gt;</comment>
                            <comment id="41427" author="gabrielsalla" created="Thu, 31 Jan 2013 02:27:34 +0100"  >&lt;p&gt;I assumed there&apos;s a hole almost above the player because sl=12. So he is 3 blocks beside the vertical line of the hole&lt;/p&gt;</comment>
                            <comment id="41279" author="zoshi235" created="Wed, 30 Jan 2013 21:58:03 +0100"  >&lt;p&gt;Well, I didn&apos;t do that last image, but I assume the area is completely enclosed and lightless, yet you can clearly light still getting in.&lt;/p&gt;</comment>
                            <comment id="41262" author="gabrielsalla" created="Wed, 30 Jan 2013 21:03:24 +0100"  >&lt;p&gt;The last image looks ok to me...&lt;/p&gt;</comment>
                            <comment id="41193" author="zoshi235" created="Wed, 30 Jan 2013 18:58:41 +0100"  >&lt;p&gt;Added a couple screenshots from my duplicate of the report. Note that the hole in the ceiling of the first one is to show the thickness of the ceiling and does not actually affect the bad lighting of the room.&lt;/p&gt;</comment>
                            <comment id="28906" author="twilighttech" created="Mon, 17 Dec 2012 01:25:17 +0100"  >&lt;p&gt;Really hope this gets fixed, lag is terrible.&lt;/p&gt;</comment>
                            <comment id="26557" author="bonehead" created="Tue, 4 Dec 2012 17:18:10 +0100"  >&lt;p&gt;@Christian: mmh... restarting the game usually reloads the chunks, but if that&apos;s the case I&apos;ll add that into the description&lt;/p&gt;</comment>
                            <comment id="26502" author="zoshi235" created="Tue, 4 Dec 2012 03:03:47 +0100"  >&lt;p&gt;Restarting the game didn&apos;t do it, I always had to fly away and unload the chunk to make it happen.&lt;/p&gt;</comment>
                            <comment id="20475" author="will_em69" created="Sun, 11 Nov 2012 02:08:47 +0100"  >&lt;p&gt;MCME wants their moria back! This is makin it impossible&lt;br/&gt;
To see one of the most biggest cave systems ever built in minecraft.&lt;br/&gt;
Fix it!&lt;/p&gt;</comment>
                            <comment id="20328" author="basserg" created="Sat, 10 Nov 2012 18:56:16 +0100"  >&lt;p&gt;It would be nice to go to Moria again. And build Aglarond.&lt;/p&gt;</comment>
                            <comment id="19884" author="curlplayer" created="Fri, 9 Nov 2012 08:30:37 +0100"  >&lt;p&gt;We want MORIA back&lt;/p&gt;</comment>
                            <comment id="19174" author="mustek" created="Wed, 7 Nov 2012 16:19:46 +0100"  >&lt;p&gt;I&apos;ve removed the future versions.&lt;/p&gt;</comment>
                            <comment id="19173" author="league" created="Wed, 7 Nov 2012 16:18:15 +0100"  >&lt;p&gt;Please don&apos;t report bugs as affecting future versions. You can&apos;t possibly have tested it. &lt;br/&gt;
Sascha Baer please remove the tags affecting version 1.4.4 and distant version 1.5&lt;/p&gt;</comment>
                            <comment id="18781" author="redstone_fanatic" created="Tue, 6 Nov 2012 15:50:11 +0100"  >&lt;p&gt;I know Dinnerbone was working on the relight, then postponed it for 1.5 due to frustration. I guess it&apos;s better than what Notch did, but even so, I was really hoping for a permanent fix and lagg reduction. &lt;/p&gt;</comment>
                            <comment id="18724" author="q220" created="Tue, 6 Nov 2012 08:14:57 +0100"  >&lt;p&gt;More screenshots of the actual consequences of the bug:&lt;br/&gt;
&lt;a href=&quot;http://minus.com/m9DDNSBhYwO0u&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://minus.com/m9DDNSBhYwO0u&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="18631" author="keybounce" created="Tue, 6 Nov 2012 04:00:27 +0100"  >&lt;p&gt;You could, it would just be surprisingly well lit.&lt;/p&gt;

&lt;p&gt;Except, occasionally, when the lighting gets rechecked and suddenly goes dark.&lt;/p&gt;

&lt;p&gt;(Where&apos;s the opposite bug of areas being artificially dark when loaded?)&lt;/p&gt;</comment>
                            <comment id="18492" author="legovil" created="Mon, 5 Nov 2012 21:02:36 +0100"  >&lt;p&gt;We cant go into the Mines of Moria!!!!!! D:&lt;/p&gt;</comment>
                            <comment id="17899" author="q220" created="Sun, 4 Nov 2012 06:03:51 +0100"  >&lt;p&gt;Can confirm that I have the issue as well on a linux fedora 17 machine, with 64 bit java 1.6 (IcedTea)&lt;/p&gt;</comment>
                            <comment id="16641" author="keybounce" created="Thu, 1 Nov 2012 21:38:19 +0100"  >&lt;p&gt;One possible way to at least prevent it from getting worse:&lt;/p&gt;

&lt;p&gt;Instead of saying &quot;a 16x16x16 mini chunk with no blocks is not stored&quot;, add in &quot;a 16x16x16 mini chunks with no blocks &lt;b&gt;and skylight 15 full sun exposure in all blocks&lt;/b&gt; is not stored.&lt;/p&gt;</comment>
                            <comment id="14487" author="blobthe15" created="Sat, 27 Oct 2012 21:16:45 +0200"  >&lt;p&gt;Very big issue for custom maps with large caves and overhangs and such. Hope it gets noticed soon.&lt;/p&gt;</comment>
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