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Resources not copying properly


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Howdy All


I'm having a problem while debugging a new mod.


I am using the standard structure of





But when I Debug Minecraft Client, all resources are not found (mcmod.info, lang, textures, etc).

If I use the gradle runClient instead, it all works fine.


Debug Minecraft Client copies the resources to


and the mod code goes into



During mod initialisation, the FMLFolderResourcePack for the mod is added as build\classes\main


Any help on why the resources are being copied to the wrong place?







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Hi, my 12 yo son challenged me to start modding on Friday and after slogging thru various tutorials, I got stuck on this exact problem.  I'm no gradle expert(yet!), but I came to realize that the processResources task provided in the vanilla build.gradle file was just not leaving the build dir in the state that the FMLFolderResourcePack expects (as you point out).  After 2 days of trial and error, this change to the build.gradle file finally works for me (it does cough up some warnings, sorry).  FWIW, my IDE is Intellij IDEA... 14.0.1 w/ gradle 1.12


This config does update the version strings within mcmod.info, and the resulting jar file looks correct also.


Now, onto making my freshly-textured block actually do something ;)


processResources.doLast {

    description 'Copies resource files to dir FML expects resourcePack to be'

    // this will ensure that this task is redone when the versions change.
    inputs.property "version", project.version
    inputs.property "mcversion", project.minecraft.version

    ext.srcFiles = "$projectDir/src/main/resources"
    ext.destDir = "$projectDir/build/classes/main"

    // registering inputs & outputs allow gradle to skip if UP-TO-DATE
    inputs.files srcFiles
    outputs.dir destDir

    println 'starting processResources'
    println 'srcFiles: ' + srcFiles
    println 'destDir: ' + destDir

    copy {
        // replace stuff in mcmod.info, nothing else
        include 'mcmod.info'
            // replace version and mcversion
        expand 'version': project.version, 'mcversion': project.minecraft.version


    copy {
        // copy everything else, thats not the mcmod.info
        exclude 'mcmod.info'



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Keen, thanks.  The biggest frustration I have with the whole FML, gradle setup etc is the lack of decent documentation.  It does all its magic and it's great when it works, but god help you if something goes wrong because you've then got to dig for hours through the bowels of the code trying to guess at how it's supposed to work and pinpoint what is going wrong.


TI-99/4A huh?  :)  The graphics look kind of Minecraft-y I guess...



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PS If you don't want to change the build.gradle, you can also use an IntelliJ artifact to copy the resources to the correct folder i.e.


from    C:\Users\TGG\Documents\JavaSources\HiddenMessages\src\main

to        C:\Users\TGG\Documents\JavaSources\HiddenMessages\build\classes\main


Project Structure ->Artifacts

Add new artifact (green +)

Type: Other

Give it a name eg CopyResources'

Output Directory C:\Users\TGG\Documents\JavaSources\HiddenMessages\build\classes\main

Add Copy of (green + with small down arrow) Directory: 'resources directory content'


OK to save


Then, add the CopyResources artifact to "before launch" on the Run/Debug configurations.

eg Run->Edit Configurations->Application->Minecraft Client - add to 'before launch' box at the bottom.





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