New AnyGamePadCondition

Source/AnyGamePadCondition.cs

@@ -0,0 +1,85 @@
+using Microsoft.Xna.Framework.Input;
+
+namespace Apos.Input {
+    /// <summary>
+    /// Checks various conditions on a specific gamepad button for all gamepads.
+    /// Non static methods implicitly make sure that the game is active. Otherwise returns false.
+    /// </summary>
+    public class AnyGamePadCondition : ICondition {
+
+        // Group: Constructors
+
+        /// <param name="button">The button to operate on.</param>
+        public AnyGamePadCondition(GamePadButton button) {
+            _button = button;
+        }
+
+        // Group: Public Functions
+
+        /// <returns>Returns true when the button was not pressed and is now pressed.</returns>
+        public bool Pressed() {
+            return Pressed(_button) && InputHelper.IsActive;
+        }
+        /// <returns>Returns true when the button is now pressed.</returns>
+        public bool Held() {
+            return Held(_button) && InputHelper.IsActive;
+        }
+        /// <returns>Returns true when the button was pressed and is now pressed.</returns>
+        public bool HeldOnly() {
+            return HeldOnly(_button) && InputHelper.IsActive;
+        }
+        /// <returns>Returns true when the button was pressed and is now not pressed.</returns>
+        public bool Released() {
+            return Released(_button) && InputHelper.IsActive;
+        }
+
+        // Group: Static Functions
+
+        /// <returns>Returns true when the button was not pressed and is now pressed.</returns>
+        public static bool Pressed(GamePadButton button) {
+            for (int i = 0; i < GamePad.MaximumGamePadCount; i++) {
+                if (InputHelper.GamePadButtons[button](InputHelper.NewGamePad, i) == ButtonState.Pressed &&
+                    InputHelper.GamePadButtons[button](InputHelper.OldGamePad, i) == ButtonState.Released) {
+                    return true;
+                }
+            }
+            return false;
+        }
+        /// <returns>Returns true when the button is now pressed.</returns>
+        public static bool Held(GamePadButton button) {
+            for (int i = 0; i < GamePad.MaximumGamePadCount; i++) {
+                if (InputHelper.GamePadButtons[button](InputHelper.NewGamePad, i) == ButtonState.Pressed) {
+                    return true;
+                }
+            }
+            return false;
+        }
+        /// <returns>Returns true when the button was pressed and is now pressed.</returns>
+        public static bool HeldOnly(GamePadButton button) {
+            for (int i = 0; i < GamePad.MaximumGamePadCount; i++) {
+                if (InputHelper.GamePadButtons[button](InputHelper.NewGamePad, i) == ButtonState.Pressed &&
+                    InputHelper.GamePadButtons[button](InputHelper.OldGamePad, i) == ButtonState.Pressed) {
+                    return true;
+                }
+            }
+            return false;
+        }
+        /// <returns>Returns true when the button was pressed and is now not pressed.</returns>
+        public static bool Released(GamePadButton button) {
+            for (int i = 0; i < GamePad.MaximumGamePadCount; i++) {
+                if (InputHelper.GamePadButtons[button](InputHelper.NewGamePad, i) == ButtonState.Released &&
+                    InputHelper.GamePadButtons[button](InputHelper.OldGamePad, i) == ButtonState.Pressed) {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        // Group: Private Variables
+
+        /// <summary>
+        /// The button that will be checked.
+        /// </summary>
+        private GamePadButton _button;
+    }
+}