com.torvald → net.torvald

Former-commit-id: 375604da8a20a6ba7cd0a8d05a44add02b2d04f4
Former-commit-id: 287287c5920b07618174d7a7573f049d350ded66

src/net/torvald/terrarum/gamecontroller/KeyToggler.kt

@@ -0,0 +1,48 @@
+package net.torvald.terrarum.gamecontroller
+
+import org.newdawn.slick.GameContainer
+import org.newdawn.slick.Input
+import java.util.*
+
+object KeyToggler {
+
+    private val currentState = BitSet(256)
+    private val isPressed = BitSet(256)
+    private val isToggled = BitSet(256)
+
+    fun isOn(key: Int): Boolean {
+        return currentState[key]
+    }
+
+    fun update(input: Input) {
+        for (i in 0..255) {
+            if (input.isKeyDown(i)) {
+                isPressed[i] = true
+            }
+            else {
+                isPressed[i] = false
+            }
+        }
+
+        for (i in 0..255) {
+            if (isPressed[i] && !currentState[i] && !isToggled[i]) {
+                currentState[i] = true
+                isToggled[i] = true
+            }
+            else if (isPressed[i] && currentState[i] && !isToggled[i]) {
+                currentState[i] = false
+                isToggled[i] = true
+            }
+
+            if (!isPressed[i] && isToggled[i]) {
+                isToggled[i] = false
+            }
+        }
+    }
+
+    fun forceSet(key: Int, b: Boolean) {
+        currentState[key] = b
+        isToggled[key] = true
+    }
+
+}