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126 lines
4.1 KiB
126 lines
4.1 KiB
// stb_image url for download
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String stbiUrl = 'https://raw.githubusercontent.com/nothings/stb/master/stb_image.h'
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String stbiDownloadTarget = 'stb_image.h'
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// stb_image is not downloaded. The single source file is included in the repo
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String stbiFolder = 'stb_image'
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//Working directories for the ndk build.
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String stbiBuildDir = "${buildDir}" + File.separator + 'stb_image'
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String stbiBuildJniDir = stbiBuildDir + File.separator + 'jni'
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String stbiBuildLibsDir = stbiBuildDir + File.separator + 'libs'
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//Pre-compiled libs directory
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String stbiPreCompiledLibsDir = 'libs' + File.separator + 'stb_image'
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// jME Android Native source files path
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String stbiJmeAndroidPath = 'src/native/jme_stbi'
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// Download external source files if not available
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task downloadStbImage(type: MyDownload) {
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sourceUrl = stbiUrl
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target = file(stbiFolder + File.separator + stbiDownloadTarget)
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}
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// Copy stb_image files to jni directory
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task copyStbiFiles(type: Copy) {
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def sourceDir = file(stbiFolder)
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def outputDir = file(stbiBuildJniDir)
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// println "copyStbiFiles sourceDir: " + sourceDir
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// println "copyStbiFiles outputDir: " + outputDir
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from sourceDir
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into outputDir
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}
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copyStbiFiles.dependsOn {
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def stbiFilePath = project.projectDir.absolutePath + stbiFolder + File.separator + stbiDownloadTarget
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def stbiFile = new File(stbiFilePath)
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// println "zipFile path: " + zipFile.absolutePath
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// println "zipFile exists: " + zipFile.exists()
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if (!stbiFile.exists()) {
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downloadStbImage
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}
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}
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// Copy jME Android native files to jni directory
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task copyStbiJmeFiles(type: Copy, dependsOn:copyStbiFiles) {
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def sourceDir = file(stbiJmeAndroidPath)
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def outputDir = file(stbiBuildJniDir)
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// println "copyStbiJmeFiles sourceDir: " + sourceDir
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// println "copyStbiJmeFiles outputDir: " + outputDir
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from sourceDir
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into outputDir
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}
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task generateStbiHeaders(dependsOn: copyStbiJmeFiles) << {
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String destDirPath = stbiBuildJniDir
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String classes = ""
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.concat("com.jme3.texture.plugins.AndroidNativeImageLoader, ")
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// println "stb_image classes = " + classes
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// println "stb_image destDir = " + destDir
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// println "stb_image classpath = " + project.projectClassPath
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exec {
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executable org.gradle.internal.jvm.Jvm.current().getExecutable('javah')
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args '-d', destDirPath
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args '-classpath', project.projectClassPath
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args "com.jme3.texture.plugins.AndroidNativeImageLoader"
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}
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}
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task buildStbiNativeLib(type: Exec, dependsOn: generateStbiHeaders) {
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// println "stb_image build dir: " + stbiBuildDir
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// println "ndkCommandPath: " + rootProject.ndkCommandPath
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workingDir stbiBuildDir
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executable rootProject.ndkCommandPath
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args '-j8'
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}
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task updatePreCompiledStbiLibs(type: Copy, dependsOn: buildStbiNativeLib) {
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def sourceDir = new File(stbiBuildLibsDir)
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def outputDir = new File(stbiPreCompiledLibsDir)
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// println "updatePreCompiledStbiLibs sourceDir: " + sourceDir
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// println "updatePreCompiledStbiLibs outputDir: " + outputDir
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from sourceDir
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into outputDir
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}
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// Copy pre-compiled libs to build directory (when not building new libs)
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task copyPreCompiledStbiLibs(type: Copy) {
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def sourceDir = file(stbiPreCompiledLibsDir)
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def outputDir = file(stbiBuildLibsDir)
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// println "copyStbiJmeFiles sourceDir: " + sourceDir
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// println "copyStbiJmeFiles outputDir: " + outputDir
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from sourceDir
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into outputDir
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}
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if (rootProject.ndkExists) {
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// build native libs and update stored pre-compiled libs to commit
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compileJava.dependsOn { updatePreCompiledStbiLibs }
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} else {
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// use pre-compiled native libs (not building new ones)
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compileJava.dependsOn { copyPreCompiledStbiLibs }
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}
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jar.into("lib") { from stbiBuildLibsDir }
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// Helper class to wrap ant dowload task
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class MyDownload extends DefaultTask {
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@Input
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String sourceUrl
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@OutputFile
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File target
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@TaskAction
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void download() {
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ant.get(src: sourceUrl, dest: target)
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}
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}
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