rendering: double pressing key

src/main/java/de/bixilon/minosoft/config/key/KeyActions.kt

@@ -27,7 +27,7 @@ enum class KeyAction {
     RELEASE,
 
     /**
-     * Key must be pressed or released
+     * Key is pressed or released
      */
     CHANGE,
 
@@ -38,20 +38,20 @@ enum class KeyAction {
      */
     MODIFIER,
 
-    /**
-     * ToDo: Key must be pressed twice
-     */
-    DOUBLE_CLICK,
-
     /**
      * Pressing the key makes it sticky, you have to press it again to make it not pressed anymore
      */
     STICKY,
 
     /**
-     * Exactly the same as STICKY, but inverted. Initial pressed
+     * Exactly the same as STICKY, but inverted. Initial pressed.
      */
     STICKY_INVERTED,
+
+    /**
+     * Key must be pressed twice in a certain time. Behaves like sticky (press twice again to disable)
+     */
+    DOUBLE_PRESS,
     ;
 
     companion object {

src/main/java/de/bixilon/minosoft/gui/input/key/RenderWindowInputHandler.kt

@@ -19,6 +19,7 @@ import de.bixilon.minosoft.config.key.KeyAction
 import de.bixilon.minosoft.config.key.KeyCodes
 import de.bixilon.minosoft.data.mappings.ResourceLocation
 import de.bixilon.minosoft.gui.input.camera.Camera
+import de.bixilon.minosoft.gui.rendering.RenderConstants
 import de.bixilon.minosoft.gui.rendering.RenderWindow
 import de.bixilon.minosoft.gui.rendering.hud.elements.input.KeyConsumer
 import de.bixilon.minosoft.protocol.network.connection.PlayConnection
@@ -33,7 +34,8 @@ class RenderWindowInputHandler(
 
     private val keyBindingCallbacks: MutableMap<ResourceLocation, KeyBindingCallbackPair> = mutableMapOf()
     private val keysDown: MutableList<KeyCodes> = mutableListOf()
-    private val keyCombinationsDown: MutableList<ResourceLocation> = mutableListOf()
+    private val keyBindingsDown: MutableList<ResourceLocation> = mutableListOf()
+    private val keysLastDownTime: MutableMap<KeyCodes, Long> = mutableMapOf()
 
     private var skipNextCharPress = false
 
@@ -75,10 +77,11 @@ class RenderWindowInputHandler(
                 return
             }
             else -> {
-                Log.game("Unknown glfw action $action")
+                Log.warn("Unknown glfw action $action")
                 return
             }
         }
+        val currentTime = System.currentTimeMillis()
 
         if (keyDown) {
             keysDown += keyCode
@@ -92,7 +95,7 @@ class RenderWindowInputHandler(
             if (currentKeyConsumer != null && !pair.keyBinding.ignoreConsumer) {
                 continue
             }
-            var combinationDown = keyDown
+            var thisKeyBindingDown = keyDown
             var checksRun = 0
             var thisIsChange = true
 
@@ -131,7 +134,7 @@ class RenderWindowInputHandler(
             }
 
             fun checkSticky(keys: MutableSet<KeyCodes>, invert: Boolean) {
-                var alreadyActive = keyCombinationsDown.contains(resourceLocation)
+                var alreadyActive = keyBindingsDown.contains(resourceLocation)
                 if (invert) {
                     alreadyActive = !alreadyActive
                 }
@@ -144,7 +147,7 @@ class RenderWindowInputHandler(
                     thisIsChange = false
                     return
                 }
-                combinationDown = !alreadyActive
+                thisKeyBindingDown = !alreadyActive
             }
 
             pair.keyBinding.action[KeyAction.STICKY]?.let {
@@ -155,21 +158,42 @@ class RenderWindowInputHandler(
                 checkSticky(it, true)
             }
 
+            pair.keyBinding.action[KeyAction.DOUBLE_PRESS]?.let {
+                if (!it.contains(keyCode)) {
+                    thisIsChange = false
+                    return
+                }
+                val lastDownTime = keysLastDownTime[keyCode]
+                if (lastDownTime == null) {
+                    thisIsChange = false
+                    return
+                }
+                if (currentTime - lastDownTime > RenderConstants.DOUBLE_PRESS_KEY_MAX_DELAY) {
+                    thisIsChange = false
+                    return
+                }
+                thisKeyBindingDown = !isKeyBindingDown(resourceLocation)
+            }
+
             if (!thisIsChange || checksRun == 0) {
                 continue
             }
 
             // Log.debug("Changing $resourceLocation because of $keyCode -> $combinationDown")
             for (callback in pair.callback) {
-                callback.invoke(combinationDown)
+                callback.invoke(thisKeyBindingDown)
             }
 
-            if (combinationDown) {
-                keyCombinationsDown += resourceLocation
+            if (thisKeyBindingDown) {
+                keyBindingsDown += resourceLocation
             } else {
-                keyCombinationsDown -= resourceLocation
+                keyBindingsDown -= resourceLocation
             }
         }
+        if (keyDown) {
+            keysLastDownTime[keyCode] = currentTime
+        }
+
         if (previousKeyConsumer != currentKeyConsumer) {
             skipNextCharPress = true
         }
@@ -216,7 +240,7 @@ class RenderWindowInputHandler(
     }
 
     fun isKeyBindingDown(resourceLocation: ResourceLocation): Boolean {
-        return keyCombinationsDown.contains(resourceLocation)
+        return keyBindingsDown.contains(resourceLocation)
     }
 
     fun unregisterKeyBinding(it: ResourceLocation) {

src/main/java/de/bixilon/minosoft/gui/rendering/RenderConstants.kt

@@ -70,4 +70,6 @@ object RenderConstants {
     val PIXEL_UV_PIXEL_ADD = Vec2(0, 0.1f)
 
     const val CAMPFIRE_ITEMS = 4
+
+    const val DOUBLE_PRESS_KEY_MAX_DELAY = 200
 }