[orx-shader-phrases] Add shader embedding

buildSrc/build.gradle.kts

@@ -0,0 +1,8 @@
+plugins {
+    `kotlin-dsl`
+}
+
+repositories {
+    mavenCentral()
+
+}

buildSrc/src/main/kotlin/orx.embed-shaders.gradle.kts

@@ -0,0 +1,39 @@
+
+
+abstract class EmbedShadersTask : DefaultTask() {
+    @get:Incremental
+    @get:PathSensitive(PathSensitivity.NAME_ONLY)
+    @get:InputDirectory
+    abstract val inputDir: DirectoryProperty
+
+    @get:OutputDirectory
+    abstract val outputDir: DirectoryProperty
+
+    @get:Input
+    abstract val defaultPackage: Property<String>
+
+    @TaskAction
+    fun execute(inputChanges: InputChanges) {
+        inputChanges.getFileChanges(inputDir).forEach { change ->
+            if (change.fileType == FileType.DIRECTORY) return@forEach
+            val name = change.file.nameWithoutExtension
+            val targetFile = outputDir.file(change.normalizedPath.replace(".","_")+".kt").get().asFile
+            if (change.changeType == ChangeType.REMOVED) {
+                targetFile.delete()
+            } else {
+                val contents = change.file.readText()
+                val lines = contents.split("\n")
+                var packageStatement = "package ${defaultPackage.get()}\n"
+                val r = Regex("#pragma package ([a-z.]+)")
+                for (line in lines) {
+                    val m = r.find(line.trim())
+                    if (m != null) {
+                        packageStatement = "package ${m.groupValues[1]}\n"
+                    }
+                }
+                val text = "${packageStatement}const val $name = ${"\"\"\""}${contents}${"\"\"\""}"
+                targetFile.writeText(text)
+            }
+        }
+    }
+}