gamepad keyboard mockup

src/net/torvald/terrarum/controller/VirtualKeyboard.kt

@@ -0,0 +1,21 @@
+package net.torvald.terrarum.controller
+
+import net.torvald.util.CircularArray
+
+/**
+ * Created by minjaesong on 2019-04-10.
+ */
+abstract class VirtualKeyboard(val BUFFER_SIZE: Int = DEFAULT_BUFFER_SIZE) {
+
+    val inputBuffer = CircularArray<Char>(BUFFER_SIZE)
+
+    abstract fun takeFromInputBuffer()
+
+    fun addToBuffer(char: Char) {
+        inputBuffer.add(char)
+    }
+
+    companion object {
+        const val DEFAULT_BUFFER_SIZE = 20
+    }
+}