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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-10480] Blindness + Night-vision Effects Create Complete Blindness</title>
                <link>https://bugs.mojang.com/browse/MC-10480</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;I was messing around with the effects and I found that the blindness effect and the night vision effect cause you to see nothing but the sun and the light in the sky.&lt;br/&gt;
Commands to test:&lt;/p&gt;
&lt;div class=&quot;code panel&quot; style=&quot;border-width: 1px;&quot;&gt;&lt;div class=&quot;codeContent panelContent&quot;&gt;
&lt;pre class=&quot;code-java&quot;&gt;/effect @p minecraft:night_vision 1000000 0
/effect @p minecraft:blindness 1000000 0
&lt;/pre&gt;
&lt;/div&gt;&lt;/div&gt;

&lt;hr /&gt;

&lt;p&gt;Code analysis by &lt;a href=&quot;https://bugs.mojang.com/secure/ViewProfile.jspa?name=quadraxis&quot; class=&quot;user-hover&quot; rel=&quot;quadraxis&quot;&gt;quadraxis&lt;/a&gt; in &lt;a href=&quot;https://bugs.mojang.com/browse/MC-10480?focusedCommentId=406122&amp;amp;page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-406122&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;this comment&lt;/a&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="24439">MC-10480</key>
            <summary>Blindness + Night-vision Effects Create Complete Blindness</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>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="maxxxxz">Michael Cooper</reporter>
                        <labels>
                    </labels>
                <created>Thu, 28 Feb 2013 02:10:31 +0100</created>
                <updated>Thu, 2 Apr 2020 09:25:17 +0200</updated>
                            <resolved>Thu, 2 Apr 2020 09:25:17 +0200</resolved>
                                    <version>Snapshot 13w09b</version>
                    <version>Snapshot 13w09c</version>
                    <version>Snapshot 13w10b</version>
                    <version>Minecraft 1.5</version>
                    <version>Snapshot 13w11a</version>
                    <version>Minecraft 1.5.1</version>
                    <version>Snapshot 13w24a</version>
                    <version>Snapshot 13w24b</version>
                    <version>Snapshot 13w25a</version>
                    <version>Snapshot 13w25b</version>
                    <version>Minecraft 15w31a</version>
                                    <fixVersion>1.15.2</fixVersion>
                                                        <votes>0</votes>
                                    <watches>11</watches>
                                                                            <comments>
                            <comment id="406122" author="quadraxis" created="Sat, 9 Sep 2017 01:46:32 +0200"  >&lt;p&gt;Having had a chance to look at this earlier, here&apos;s an explanation of the bug.&lt;/p&gt;

&lt;p&gt;The issue is in &lt;tt&gt;EntityRenderer.updateFogColor()&lt;/tt&gt; and is the cause of both &lt;a href=&quot;https://bugs.mojang.com/browse/MC-4647&quot; title=&quot;World turns completely black when having night vision, and being in the void or having blindness&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-4647&quot;&gt;&lt;del&gt;MC-4647&lt;/del&gt;&lt;/a&gt; and &lt;a href=&quot;https://bugs.mojang.com/browse/MC-10480&quot; title=&quot;Blindness + Night-vision Effects Create Complete Blindness&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-10480&quot;&gt;&lt;del&gt;MC-10480&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;Looking at the relevant section of code there (based on MC 1.12.1):&lt;/p&gt;

&lt;div class=&quot;code panel&quot; style=&quot;border-width: 1px;&quot;&gt;&lt;div class=&quot;codeContent panelContent&quot;&gt;
&lt;pre class=&quot;code-java&quot;&gt;&lt;span class=&quot;code-object&quot;&gt;double&lt;/span&gt; d1 = (entity.lastTickPosY + (entity.posY - entity.lastTickPosY) * (&lt;span class=&quot;code-object&quot;&gt;double&lt;/span&gt;)partialTicks) * world.provider.getVoidFogYFactor();

&lt;span class=&quot;code-keyword&quot;&gt;if&lt;/span&gt; (entity &lt;span class=&quot;code-keyword&quot;&gt;instanceof&lt;/span&gt; EntityLivingBase &amp;amp;&amp;amp; ((EntityLivingBase)entity).isPotionActive(MobEffects.BLINDNESS))
{
	&lt;span class=&quot;code-object&quot;&gt;int&lt;/span&gt; i = ((EntityLivingBase)entity).getActivePotionEffect(MobEffects.BLINDNESS).getDuration();

	&lt;span class=&quot;code-keyword&quot;&gt;if&lt;/span&gt; (i &amp;lt; 20)
	{
		d1 *= (&lt;span class=&quot;code-object&quot;&gt;double&lt;/span&gt;)(1.0F - (&lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt;)i / 20.0F);
	}
	&lt;span class=&quot;code-keyword&quot;&gt;else&lt;/span&gt;
	{
		d1 = 0.0D;
	}
}

&lt;span class=&quot;code-keyword&quot;&gt;if&lt;/span&gt; (d1 &amp;lt; 1.0D)
{
	&lt;span class=&quot;code-keyword&quot;&gt;if&lt;/span&gt; (d1 &amp;lt; 0.0D)
	{
		d1 = 0.0D;
	}

	d1 = d1 * d1;
	&lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorRed = (&lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt;)((&lt;span class=&quot;code-object&quot;&gt;double&lt;/span&gt;)&lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorRed * d1);
	&lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorGreen = (&lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt;)((&lt;span class=&quot;code-object&quot;&gt;double&lt;/span&gt;)&lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorGreen * d1);
	&lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorBlue = (&lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt;)((&lt;span class=&quot;code-object&quot;&gt;double&lt;/span&gt;)&lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorBlue * d1);
}

&lt;span class=&quot;code-keyword&quot;&gt;if&lt;/span&gt; (&lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.bossColorModifier &amp;gt; 0.0F)
{
	&lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt; f14 = &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.bossColorModifierPrev + (&lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.bossColorModifier - &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.bossColorModifierPrev) * partialTicks;
	&lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorRed = &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorRed * (1.0F - f14) + &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorRed * 0.7F * f14;
	&lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorGreen = &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorGreen * (1.0F - f14) + &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorGreen * 0.6F * f14;
	&lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorBlue = &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorBlue * (1.0F - f14) + &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorBlue * 0.6F * f14;
}

&lt;span class=&quot;code-keyword&quot;&gt;if&lt;/span&gt; (entity &lt;span class=&quot;code-keyword&quot;&gt;instanceof&lt;/span&gt; EntityLivingBase &amp;amp;&amp;amp; ((EntityLivingBase)entity).isPotionActive(MobEffects.NIGHT_VISION))
{
	&lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt; f15 = &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.getNightVisionBrightness((EntityLivingBase)entity, partialTicks);
	&lt;span class=&quot;code-object&quot;&gt;float&lt;/span&gt; f6 = 1.0F / &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorRed;

	&lt;span class=&quot;code-keyword&quot;&gt;if&lt;/span&gt; (f6 &amp;gt; 1.0F / &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorGreen)
	{
		f6 = 1.0F / &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorGreen;
	}

	&lt;span class=&quot;code-keyword&quot;&gt;if&lt;/span&gt; (f6 &amp;gt; 1.0F / &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorBlue)
	{
		f6 = 1.0F / &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorBlue;
	}

	&lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorRed = &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorRed * (1.0F - f15) + &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorRed * f6 * f15;
	&lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorGreen = &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorGreen * (1.0F - f15) + &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorGreen * f6 * f15;
	&lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorBlue = &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorBlue * (1.0F - f15) + &lt;span class=&quot;code-keyword&quot;&gt;this&lt;/span&gt;.fogColorBlue * f6 * f15;
}
&lt;/pre&gt;
&lt;/div&gt;&lt;/div&gt;

&lt;p&gt;After some calculations, the fog colour values are multiplied by the value &lt;tt&gt;d1&lt;/tt&gt;. If this value is zero, which can occur both due to being subject to the blindness effect and also a negative y position, then all three colour components of the fog will be zero upon entering the block of code applying the night-vision effect. This is what triggers the bug.&lt;/p&gt;

&lt;p&gt;Within the night-vision code, the value &lt;tt&gt;f6&lt;/tt&gt; is calculated as the minimum of the reciprocal of the red, green, blue colour values. For the case where these are all 0, this value will be infinity.&lt;/p&gt;

&lt;p&gt;The colour values are then linearly interpolated (based on the night-vision intensity value, &lt;tt&gt;f15&lt;/tt&gt;) between their original values, and the value multiplied by the calculated factor &lt;tt&gt;f6&lt;/tt&gt;. In the case described above, this multiplication will be 0 * infinity, which has no defined value, and will evaluate to NaN (Not a Number). The NaN value will propagate here, leading to a final NaN value being assigned as the fog colours.&lt;/p&gt;

&lt;p&gt;These invalid values are then passed to various OpenGL fog functions, which is what seems to be causing the effects described. As NVidia cards do have alternative fog rendering methods (that are used by Minecraft - the optional &quot;GL_NV_fog_distance&quot; extension) it&apos;s likely that the implementation used handling this differently is the reason why it&apos;s hardware dependent.&lt;/p&gt;

&lt;p&gt;The night-vision code needs to handle this edge case, to avoid passing invalid values here. If the developers do intend on having the end result, it should be coded specifically, rather than relying on implementation quirks.&lt;/p&gt;

&lt;p&gt;&lt;ins&gt;Notes:&lt;/ins&gt;&lt;br/&gt;
See the &lt;a href=&quot;https://www.khronos.org/registry/OpenGL/specs/gl/glspec46.compatibility.pdf&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;OpenGL spec&lt;/a&gt; (section 2.3.4.1: Floating-Point Computation) for some info about how various floating-point values are to be handled.&lt;/p&gt;</comment>
                            <comment id="380386" author="ericz1" created="Fri, 28 Apr 2017 01:17:29 +0200"  >&lt;p&gt;Based on &lt;a href=&quot;https://bugs.mojang.com/secure/ViewProfile.jspa?name=grum&quot; class=&quot;user-hover&quot; rel=&quot;grum&quot;&gt;grum&lt;/a&gt;&apos;s comment, I actually think that he misunderstood this issue since he said that you can see the floor without issues, while this bug is describing the exact opposite. There are discussions on Reddit about this issue &lt;a href=&quot;https://www.reddit.com/r/Mojira/comments/66l6hz/blindness_is_going_to_be_an_accessible_effect_in/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt; and &lt;a href=&quot;https://www.reddit.com/r/Mojira/comments/64a9kq/possible_confusion_about_mc10480_blindness/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;In any case, this behavior is inconsistent between computers: it didn&apos;t occur to me in 17w17b or 1.11.2 on a Windows 10 with NVIDIA (seen in attachment 2017-04-27_16.13.25.png), but when I tested it on another computer in the same versions it did occur (will get screenshots/specs when I get access to that computer again).&lt;/p&gt;

&lt;p&gt;Edit: This seems to have the same cause as &lt;a href=&quot;https://bugs.mojang.com/browse/MC-4647&quot; title=&quot;World turns completely black when having night vision, and being in the void or having blindness&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-4647&quot;&gt;&lt;del&gt;MC-4647&lt;/del&gt;&lt;/a&gt;, which describes blackness when in the Void with Night Vision.&lt;/p&gt;</comment>
                            <comment id="299220" author="komodo2013" created="Sat, 9 Apr 2016 04:56:43 +0200"  >&lt;p&gt;It is breaking one of my maps though. I want to limit a players ability to see (distance wise) but light up he area around said player i.e. Holding a torch. It makes no sense that a torch could light up areas 160 m away. Instead, they are completely blinded. Bug still in 1.9&lt;/p&gt;

&lt;p&gt;Possible fix:&lt;br/&gt;
Blindness has 256 levels, but only one effect. Why not allow blindness II create complete blindness and blindness I created normal blindness. Night vision + blindness 1 creates the lighted limited area. Blindness II under any circumstances is complete darkness.&lt;/p&gt;

&lt;p&gt;Everybody wins.&lt;/p&gt;</comment>
                            <comment id="237424" author="JIRAUSER71590" created="Thu, 30 Jul 2015 21:18:44 +0200"  >&lt;p&gt;no it&apos;s not, also this is resolved as intended&lt;br/&gt;
and I agree with Martin, it&apos;s very usefull for map makers&lt;/p&gt;</comment>
                            <comment id="237421" author="ericz1" created="Thu, 30 Jul 2015 21:17:54 +0200"  >&lt;p&gt;Fixed in 15w31b. What makes regular blindness + Moody brightness not enough? &lt;img class=&quot;emoticon&quot; src=&quot;https://bugs.mojang.com/images/icons/emoticons/smile.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="237293" author="heal_pony" created="Thu, 30 Jul 2015 18:59:37 +0200"  >&lt;p&gt;Wait, heres a good question: why consider this a bug?&lt;br/&gt;
This could be used for map makers (like me, ive used this idea for fnaf 1 2 and 3 mc, without this bug my maps are useless)&lt;br/&gt;
Why cant we bring this back? Like for real, why would we need blindness and night vision, your technically still blinded, but with lighted vision, its useless now.&lt;br/&gt;
Please bring the complete blindness back &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="236611" author="ericz1" created="Thu, 30 Jul 2015 01:37:10 +0200"  >&lt;p&gt;&lt;a href=&quot;https://bugs.mojang.com/browse/MC-83446&quot; title=&quot;Night Vision + Blindness&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-83446&quot;&gt;&lt;del&gt;MC-83446&lt;/del&gt;&lt;/a&gt; confirms it for 15w31a.&lt;/p&gt;</comment>
                            <comment id="229089" author="ericz1" created="Sat, 30 May 2015 22:19:19 +0200"  >&lt;p&gt;Confirmed for 1.8.6, see above comments for why it&apos;s still an issue.&lt;/p&gt;</comment>
                            <comment id="213955" author="ericz1" created="Fri, 26 Dec 2014 22:18:18 +0100"  >&lt;p&gt;This still affects 1.8.2-pre1 and could be related to &lt;a href=&quot;https://bugs.mojang.com/browse/MC-107&quot; title=&quot;Potion of night vision: total blackout&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-107&quot;&gt;&lt;del&gt;MC-107&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="213954" author="ericz1" created="Fri, 26 Dec 2014 21:56:44 +0100"  >&lt;p&gt;Is this really intended? Shouldn&apos;t Night Vision and Blindness reduce the player&apos;s vision to a few blocks, but still give them Night Vision (as in the videos linked by &lt;a href=&quot;https://bugs.mojang.com/secure/ViewProfile.jspa?name=psomguy&quot; class=&quot;user-hover&quot; rel=&quot;psomguy&quot;&gt;psomguy&lt;/a&gt;)? After all, that is how blindness behaves around other light sources (sunlight, block light etc).&lt;/p&gt;</comment>
                            <comment id="145783" author="kwerti" created="Sun, 9 Mar 2014 02:18:45 +0100"  >&lt;p&gt;I&apos;ve heard it&apos;s a problem with some graphics cards. Here&apos;s my specs:&lt;/p&gt;
&lt;div class=&quot;preformatted panel&quot; style=&quot;border-width: 1px;&quot;&gt;&lt;div class=&quot;preformattedContent panelContent&quot;&gt;
&lt;pre&gt;---- Minecraft Crash Report ----
// I bet Cylons wouldn&apos;t have this problem.

Time: 3/8/14 8:16 PM
Description: Manually triggered debug crash

java.lang.Throwable
	at beo.p(SourceFile:1467)
	at beo.ai(SourceFile:801)
	at beo.f(SourceFile:755)
	at net.minecraft.client.main.Main.main(SourceFile:121)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at bpo.a(SourceFile:308)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [brs[&apos;kwerti&apos;/75, l=&apos;MpServer&apos;, x=-1810.65, y=4.00, z=1710.77]]
	Chunk stats: MultiplayerChunkCache: 625, 625
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: -1859.00,4.00,1698.00 - World: (-1859,4,1698), Chunk: (at 13,0,2 in -117,106; contains blocks -1872,0,1696 to -1857,255,1711), Region: (-4,3; contains chunks -128,96 to -97,127, blocks -2048,0,1536 to -1537,255,2047)
	Level time: 1434004 game time, 1000 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 32 total; [yk[&apos;Iron Golem&apos;/9, l=&apos;MpServer&apos;, x=-1868.13, y=4.00, z=1672.25], xx[&apos;Cow&apos;/10, l=&apos;MpServer&apos;, x=-1878.81, y=4.00, z=1788.72], brs[&apos;kwerti&apos;/75, l=&apos;MpServer&apos;, x=-1810.65, y=4.00, z=1710.77], xx[&apos;Cow&apos;/13, l=&apos;MpServer&apos;, x=-1856.88, y=4.00, z=1670.06], xx[&apos;Cow&apos;/14, l=&apos;MpServer&apos;, x=-1849.16, y=4.00, z=1657.13], xx[&apos;Cow&apos;/15, l=&apos;MpServer&apos;, x=-1854.91, y=4.00, z=1671.91], xx[&apos;Cow&apos;/18, l=&apos;MpServer&apos;, x=-1830.94, y=4.00, z=1656.97], ud[&apos;entity.ItemFrame.name&apos;/27, l=&apos;MpServer&apos;, x=-1794.03, y=5.50, z=1700.50], ud[&apos;entity.ItemFrame.name&apos;/26, l=&apos;MpServer&apos;, x=-1794.03, y=5.50, z=1702.50], ud[&apos;entity.ItemFrame.name&apos;/29, l=&apos;MpServer&apos;, x=-1794.03, y=5.50, z=1699.50], ud[&apos;entity.ItemFrame.name&apos;/28, l=&apos;MpServer&apos;, x=-1794.03, y=5.50, z=1703.50], ud[&apos;entity.ItemFrame.name&apos;/31, l=&apos;MpServer&apos;, x=-1794.03, y=5.50, z=1701.50], ud[&apos;entity.ItemFrame.name&apos;/30, l=&apos;MpServer&apos;, x=-1794.03, y=4.50, z=1699.50], ud[&apos;entity.ItemFrame.name&apos;/34, l=&apos;MpServer&apos;, x=-1794.03, y=6.50, z=1702.50], ud[&apos;entity.ItemFrame.name&apos;/35, l=&apos;MpServer&apos;, x=-1794.03, y=6.50, z=1703.50], ud[&apos;entity.ItemFrame.name&apos;/32, l=&apos;MpServer&apos;, x=-1794.03, y=6.50, z=1699.50], ud[&apos;entity.ItemFrame.name&apos;/33, l=&apos;MpServer&apos;, x=-1794.03, y=6.50, z=1701.50], ud[&apos;entity.ItemFrame.name&apos;/38, l=&apos;MpServer&apos;, x=-1800.50, y=6.50, z=1697.03], xx[&apos;Cow&apos;/39, l=&apos;MpServer&apos;, x=-1792.28, y=4.00, z=1764.19], ud[&apos;entity.ItemFrame.name&apos;/36, l=&apos;MpServer&apos;, x=-1794.03, y=6.50, z=1700.50], ud[&apos;entity.ItemFrame.name&apos;/37, l=&apos;MpServer&apos;, x=-1801.50, y=6.50, z=1697.03], xw[&apos;Chicken&apos;/42, l=&apos;MpServer&apos;, x=-1761.41, y=4.00, z=1661.41], ye[&apos;Pig&apos;/43, l=&apos;MpServer&apos;, x=-1769.13, y=4.00, z=1785.03], xw[&apos;Chicken&apos;/46, l=&apos;MpServer&apos;, x=-1745.59, y=4.00, z=1654.63], xw[&apos;Chicken&apos;/47, l=&apos;MpServer&apos;, x=-1751.75, y=4.00, z=1673.44], ye[&apos;Pig&apos;/51, l=&apos;MpServer&apos;, x=-1757.22, y=4.00, z=1761.16], xx[&apos;Cow&apos;/50, l=&apos;MpServer&apos;, x=-1748.03, y=4.00, z=1740.91], xx[&apos;Cow&apos;/49, l=&apos;MpServer&apos;, x=-1755.81, y=4.00, z=1740.09], xw[&apos;Chicken&apos;/48, l=&apos;MpServer&apos;, x=-1749.34, y=4.00, z=1674.53], xx[&apos;Cow&apos;/55, l=&apos;MpServer&apos;, x=-1732.16, y=4.00, z=1721.00], xx[&apos;Cow&apos;/54, l=&apos;MpServer&apos;, x=-1746.78, y=4.00, z=1698.69], ye[&apos;Pig&apos;/52, l=&apos;MpServer&apos;, x=-1759.97, y=4.00, z=1773.81]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at bpo.a(SourceFile:308)
	at beo.b(SourceFile:2069)
	at beo.f(SourceFile:764)
	at net.minecraft.client.main.Main.main(SourceFile:121)

-- System Details --
Details:
	Minecraft Version: 14w10c
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_45, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 151231728 bytes (144 MB) / 307232768 bytes (293 MB) up to 954728448 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 14w10c
	LWJGL: 2.9.1
	OpenGL: AMD Radeon HD 6700 Series GL version 4.2.11931 Compatibility Profile Context, ATI Technologies Inc.
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: [Argon 32x]
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	Anisotropic Filtering: On (4)
&lt;/pre&gt;
&lt;/div&gt;&lt;/div&gt;</comment>
                            <comment id="124802" author="psomguy" created="Thu, 12 Dec 2013 22:45:56 +0100"  >&lt;p&gt;The issue is stacking Night Vision and Blindness creates a super blindness that makes it impossible to see anything. Not even the floor! Just pure darkness! Whereas before, it would give you the visual limitations of blindness but change the appearance of the block light level for what you could still see(i.e. the floor) to 15. &lt;/p&gt;

&lt;p&gt;Now I don&apos;t see anything wrong with this, as much as I like how the two effects stacked previously I can certainly use this new behavior for other things as well, but I want you to understand what the community here is pointing out. &lt;/p&gt;

&lt;p&gt;In short...this is what we&apos;ve come to expect:&lt;br/&gt;
&lt;a href=&quot;http://www.youtube.com/watch?v=FlKK9k5g7zw&amp;amp;t=1m56s&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.youtube.com/watch?v=FlKK9k5g7zw&amp;amp;t=1m56s&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;This is what we&apos;re getting now:&lt;br/&gt;
&lt;a href=&quot;http://www.youtube.com/watch?v=6ANrnQlcPc8&amp;amp;t=3m20s&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://www.youtube.com/watch?v=6ANrnQlcPc8&amp;amp;t=3m20s&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Is this really working &quot;as intended&quot;?&lt;/p&gt;</comment>
                            <comment id="75272" author="grum" created="Wed, 19 Jun 2013 09:41:08 +0200"  >&lt;p&gt;Not really sure what the issue is, this works as intended.&lt;/p&gt;

&lt;p&gt;&apos;nightvision&apos; doesn&apos;t override blindness and removes its effect.&lt;/p&gt;

&lt;p&gt;You can also still see the floor beneath you without any issues.&lt;/p&gt;</comment>
                            <comment id="75239" author="creeperface60" created="Wed, 19 Jun 2013 03:49:54 +0200"  >&lt;p&gt;AND as of 13w25b&lt;/p&gt;</comment>
                            <comment id="50853" author="lordvalorpwnage" created="Thu, 7 Mar 2013 22:21:29 +0100"  >&lt;p&gt;and as of the 1.5 pre-release&lt;/p&gt;</comment>
                            <comment id="48823" author="maxxxxz" created="Fri, 1 Mar 2013 22:09:01 +0100"  >&lt;p&gt;Still in the game as of 13w09c.&lt;/p&gt;</comment>
                            <comment id="48190" author="banana478" created="Thu, 28 Feb 2013 02:31:17 +0100"  >&lt;p&gt;Confirmed.&lt;/p&gt;</comment>
                    </comments>
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                <attachments>
                            <attachment id="22699" name="2013-02-27_19.54.20.png" size="16227" author="maxxxxz" created="Thu, 28 Feb 2013 02:10:31 +0100"/>
                            <attachment id="22700" name="2013-02-27_20.04.42.png" size="58800" author="maxxxxz" created="Thu, 28 Feb 2013 02:10:31 +0100"/>
                            <attachment id="138421" name="2017-04-27_16.13.25.png" size="229448" author="Sonicwave" created="Fri, 28 Apr 2017 01:14:09 +0200"/>
                            <attachment id="86935" name="Blindness + Night Vision.png" size="17306" author="Sonicwave" created="Fri, 26 Dec 2014 22:08:43 +0100"/>
                            <attachment id="86934" name="Blindness.png" size="139005" author="Sonicwave" created="Fri, 26 Dec 2014 22:05:04 +0100"/>
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