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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>[MC-11590] Extreme Lag when Minecart attempts to ride Firework</title>
                <link>https://bugs.mojang.com/browse/MC-11590</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;Using Sethblings MCEdit filters, I combined a firework and a minecart into an entity in which the minecart rides the firework, then attempted to load the game with it in. Game loads fine until it attempts to do anything with the entity I created. Deleted it using MCEdit, map loads fine with standard FPS. Tried spawning it in again, get less than 1 frame every 5 seconds... Debug Screen (F3) displays standard FPS readouts, even though FPS is less than 1.&lt;/p&gt;

&lt;p&gt;In case you&apos;re wondering, I wanted to make an epic rocket. &lt;img class=&quot;emoticon&quot; src=&quot;https://bugs.mojang.com/images/icons/emoticons/tongue.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;</description>
                <environment>Windows 7 Ultimate (64 bit)&lt;br/&gt;
Java 1.7.0_05&lt;br/&gt;
1 GB DDR3 RAM (Allocated)&lt;br/&gt;
~550 FPS regularly</environment>
        <key id="25750">MC-11590</key>
            <summary>Extreme Lag when Minecart attempts to ride Firework</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="7">Invalid</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="maxpowa">Max &apos;maxpowa&apos;</reporter>
                        <labels>
                    </labels>
                <created>Tue, 12 Mar 2013 04:46:37 +0100</created>
                <updated>Sat, 3 Jun 2017 16:32:24 +0200</updated>
                            <resolved>Mon, 29 Jul 2013 17:16:21 +0200</resolved>
                                    <version>Minecraft 1.5</version>
                                                                        <votes>1</votes>
                                    <watches>3</watches>
                                                                            <comments>
                            <comment id="95230" author="bljat" created="Mon, 29 Jul 2013 17:16:21 +0200"  >&lt;p&gt;Resolved, thanks for the feedback.&lt;/p&gt;</comment>
                            <comment id="95228" author="maxpowa" created="Mon, 29 Jul 2013 17:15:09 +0200"  >&lt;p&gt;Just tested and this bug is no longer applicable, thanks for bringing it up Tails. Can you please close this?&lt;/p&gt;</comment>
                            <comment id="95214" author="bljat" created="Mon, 29 Jul 2013 16:57:58 +0200"  >&lt;p&gt;    Is this still a concern in the &lt;em&gt;current Minecraft version&lt;/em&gt; 1.6.2 / Launcher version 1.1.3 ? 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="56407" author="maxpowa" created="Fri, 22 Mar 2013 21:56:42 +0100"  >&lt;p&gt;FireHunter, when you said the thing that you stated in another report, its completely invalid. If they didn&apos;t want us doing cool things like this, why would they add functionality for Mob entities to ride other ones? The ONLY way the functionality can be used is with external programs, so please, stop talking out of your backend.&lt;/p&gt;</comment>
                            <comment id="56378" author="firehunterx" created="Fri, 22 Mar 2013 20:19:10 +0100"  >&lt;p&gt;They mean entities like Mobs. Entities are a vast category of things in the game. Not all entities are designed to do this one particular thing, such as Fireworks, Snowballs, and Paintings (Which are all entities!)&lt;/p&gt;</comment>
                            <comment id="56377" author="supermatt100" created="Fri, 22 Mar 2013 20:16:14 +0100"  >&lt;p&gt;but still the feature is entities can now ride any entity. (i&apos;m paraphrasing of course) which means Minecart riding a firework or a villager riding a Minecart.&lt;/p&gt;</comment>
                            <comment id="56376" author="firehunterx" created="Fri, 22 Mar 2013 20:14:44 +0100"  >&lt;p&gt;Oh, and by the way, Primed TNT offers a nice propulsion. And it won&apos;t crash the game.&lt;/p&gt;</comment>
                            <comment id="56375" author="firehunterx" created="Fri, 22 Mar 2013 20:13:07 +0100"  >&lt;p&gt;As I stated in another report, if you want to do stupid stuff with spawners and MCEdit, you accept the consequences of your actions.&lt;br/&gt;
If Mojang knew that bad things like this wouldn&apos;t happen, then they&apos;d allow you to do it without external programs.&lt;/p&gt;

&lt;p&gt;(My comment in &lt;a href=&quot;https://bugs.mojang.com/browse/MC-12611&quot; title=&quot;Entities Riding on top of firework entities crashes the game&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-12611&quot;&gt;&lt;del&gt;MC-12611&lt;/del&gt;&lt;/a&gt;)&lt;/p&gt;</comment>
                            <comment id="56371" author="supermatt100" created="Fri, 22 Mar 2013 20:06:26 +0100"  >&lt;p&gt;i think its when any entity is riding a firework entity i tried having a villager spawn from a spawner riding a firework entity and it slows down my game to the point i have to force close it.&lt;br/&gt;
 im going to add my schematic as well&lt;/p&gt;</comment>
                            <comment id="55788" author="sirwood" created="Wed, 20 Mar 2013 14:16:22 +0100"  >&lt;p&gt;Still not fixed in 1.5.1 :CCC &amp;lt;-- Super sad face xD&lt;/p&gt;</comment>
                            <comment id="53310" author="maxpowa" created="Fri, 15 Mar 2013 00:11:54 +0100"  >&lt;p&gt;Same issue with minecarts stacked on pigs, maybe its when any entity is ridden by a minecart. &lt;/p&gt;</comment>
                            <comment id="51967" author="maxpowa" created="Tue, 12 Mar 2013 05:16:25 +0100"  >&lt;p&gt;Added schematic which has the spawner I was hoping I could use, but causes the lag.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10103">
                    <name>Relates</name>
                                                                <inwardlinks description="relates to">
                                        <issuelink>
            <issuekey id="33041">MC-17094</issuekey>
        </issuelink>
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                <attachments>
                            <attachment id="24253" name="rocketcartspawner.schematic" size="650" author="maxpowa" created="Tue, 12 Mar 2013 05:16:25 +0100"/>
                            <attachment id="25814" name="villager riding firework.schematic" size="785" author="supermatt100" created="Fri, 22 Mar 2013 20:08:11 +0100"/>
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