lwjgl3.gradle

import java.nio.file.Files
import java.nio.file.Paths
def trymkdir(folder) {
    def f = new File(project.projectDir, folder)
    if (!f.exists()) {
        f.mkdirs()
        f.mkdir()
    }
}

def copyFile(f, t) {
    if (!Files.exists(t)) {
        Files.copy(f, t)
    }
}

def copyDir(f, t) {
    def fFile = f.toFile()
    for (sub in fFile.listFiles()) {
        def tSub = t.resolve(sub.getName())
        def subP = sub.toPath()
        if (sub.isDirectory()) {
            copyDir(subP, tSub)
        } else {
            copyFile(subP, tSub)
        }
    }
}

def deleteDir(dir) {
    def dirF = dir.toFile()
    for (sub in dirF.listFiles()) {
        if (sub.isDirectory()) {
            deleteDir(sub.toPath())
        } else {
            Files.delete(sub.toPath())
        }
    }
    Files.delete(dir)
}

def getLwjglNightly(version) {
    if (Files.exists(project.projectDir.toPath().resolve('deps/lwjgl/nightly/'+version)) && !version.equals('latest')) {
        return
    }
    trymkdir('depbuild/lwjgl/nightly/'+version)
    trymkdir('depbuild/lwjgl/nightly/'+version+'/download')
    trymkdir('deps/lwjgl/nightly/'+version)
    trymkdir('deps/lwjgl/nightly/'+version+'/natives/')
    ant.get(src: 'http://build.lwjgl.org/nightly/lwjgl.zip', dest: 'depbuild/lwjgl/nightly/'+version+'/download')
    ant.unzip(src: 'depbuild/lwjgl/nightly/'+version+'/download/lwjgl.zip', dest: 'depbuild/lwjgl/nightly/'+version+'/unzipped')
    def base = project.projectDir.toPath()
    def depBfolder = base.resolve('depbuild/lwjgl/nightly/'+version+'/unzipped')
    def depfolder = base.resolve('deps/lwjgl/nightly/'+version)
    copyFile(depBfolder.resolve('jar/lwjgl.jar'), depfolder.resolve('lwjgl.jar'))
    copyFile(depBfolder.resolve('doc/javadoc.zip'), depfolder.resolve('javadoc.zip'))
    copyFile(depBfolder.resolve('src.zip'), depfolder.resolve('src.zip'))
    copyDir(depBfolder.resolve('native/'), depfolder.resolve('natives/'))
    deleteDir(base.resolve('depbuild/lwjgl/nightly/'+version))
}

def attachLwjglNightlyEclipse(xmlnode, version, projectname) {
    def dep = xmlnode.appendNode('classpathentry', ['kind': 'lib', 'path': 'deps/lwjgl/nightly/'+version+'/lwjgl.jar', 'sourcepath': 'deps/lwjgl/nightly/'+version+'/src.zip'])
    def attributes = dep.appendNode('attributes')
    attributes.appendNode('attribute', ['name': 'javadoc_location', 'value': 'jar:platform:/resource/'+projectname+'deps/lwjgl/nightly/'+version+'/javadoc.zip!/'])
    attributes.appendNode('attribute', ['name': 'org.eclipse.jdt.launching.CLASSPATH_ATTR_LIBRARY_PATH_ENTRY', 'value': projectname+'/deps/lwjgl/nightly/'+version+'/natives'])
}

ext {
    getLwjglNightly = this.&getLwjglNightly
    attachLwjglNightlyEclipse = this.&attachLwjglNightlyEclipse
}