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Add decompile task to build.gradle #1

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Add decompile task to build.gradle #1

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18577a4
feat: add decompile task to build.gradle
Lyrth Jul 8, 2022
847a0c4
fix: make line numbers correspond to bytecode
Lyrth Jul 9, 2022
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34 changes: 34 additions & 0 deletions build.gradle
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,9 @@ project.ext.clientside = false
// The path to the games install directory
def gameDirectory = "G:\\SteamLibrary\\steamapps\\common\\Necesse"

// Path to put decompiled sources in
def decompileDir = "$gameDirectory/decompiled"

// =================================================
// ========== DO NOT EDIT BELOW THIS LINE ==========
// =================================================
Expand All @@ -45,6 +48,8 @@ setTargetCompatibility(JavaVersion.VERSION_1_8)

repositories {
mavenCentral()
// for the decompiler plugin
maven { url "https://www.jetbrains.com/intellij-repository/releases" }
}

sourceSets.main.output.resourcesDir = file("build/mod/resources/")
Expand All @@ -57,10 +62,18 @@ if (!file(gameDirectory + "/Necesse.jar").exists()) {
throw new Exception("Could not find game install directory. Make sure it is correct in build.gradle file.")
}

configurations {
runnable { description "For runnable JARs to be ran only on building." }
}

dependencies {
implementation files(gameDirectory + "/Necesse.jar")
implementation fileTree(gameDirectory + "/lib/")
implementation fileTree("./mods/") // Add all mods located in local mods folder

// Decompiler to produce decompiled game sources, so that IDE features like Find Usages can work nicely.
// Will not be referenced from the game/mod
runnable 'com.jetbrains.intellij.java:java-decompiler-engine:221.5921.22'
}

classes.doLast {
Expand All @@ -87,6 +100,27 @@ task createAppID {
}
}

task decompileToSources(type: JavaExec) {
outputs.upToDateWhen {
ant.checksum file: "$gameDirectory/Necesse.jar", todir: gameDirectory, fileext: '.sum'
return file("$gameDirectory/Necesse.jar.sum").exists() &&
file("$decompileDir/origin.jar.sum").exists() &&
file("$gameDirectory/Necesse.jar.sum").text == file("$decompileDir/origin.jar.sum").text
}
doFirst { mkdir decompileDir }
doLast {
ant.move file: "$gameDirectory/Necesse.jar.sum", tofile: "$decompileDir/origin.jar.sum", overwrite: true
ant.move file: "$decompileDir/Necesse.jar", tofile: "$decompileDir/Necesse-sources.jar", overwrite: true
}

classpath configurations.runnable

def banner = "/*\n * NOTE: Decompiled Necesse.jar sources for modding use only. Redistribution is strictly prohibited.\n */\n\n\n"
// decompiler preferences referred from https://github.com/JetBrains/intellij-community/blob/master/plugins/java-decompiler/plugin/src/org/jetbrains/java/decompiler/IdeaDecompiler.kt
main 'org.jetbrains.java.decompiler.main.decompiler.ConsoleDecompiler'
args '-hdc=0', '-dgs=1', '-rsy=1', '-rbr=1', '-nls=1', '-mpm=60', '-vac=1', '-bsm=1', '-dol=1', '-iib=1', '-ind= ', "-ban=$banner", "$gameDirectory/Necesse.jar", decompileDir
}

task runClient(type: JavaExec) {
group "necesse"
description "Run client with current mod"
Expand Down