gradle: kts dsl (#1845)

* gradle: kts dsl

* deob: Fix tests

* gradle: Convert fernflower plugin to kotlin

injected-client/injected-client.gradle.kts

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2019 ThatGamerBlue
+ * Copyright (c) 2019 Owain van Brakel <https://github.com/Owain94>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+description = "Injected Client"
+
+tasks {
+    compileJava {
+        dependsOn(":injector-plugin:assemble")
+
+        outputs.upToDateWhen { false }
+
+        doLast {
+            copy {
+                val f = file ("build/classes/java/main")
+                f.deleteRecursively()
+                f.mkdirs()
+                from(project.extra["injectedClassesPath"])
+                into("build/classes/java/main")
+            }
+        }
+    }
+
+    classes {
+        val f = file("build/classes/java/main/Placeholder.class")
+        f.delete()
+    }
+
+    // this is just here to show how the fernflower plugin could be used
+    //build {
+    //    dependsOn(project.tasks.getByName("decompile"))
+    //}
+}