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Assets/Standard Assets/CrossPlatformInput/Scripts/CrossPlatformInputManager.cs

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+using System;
+using UnityEngine;
+using UnityStandardAssets.CrossPlatformInput.PlatformSpecific;
+
+namespace UnityStandardAssets.CrossPlatformInput
+{
+	public static class CrossPlatformInputManager
+	{
+		public enum ActiveInputMethod
+		{
+			Hardware,
+			Touch
+		}
+
+
+		private static VirtualInput activeInput;
+
+		private static VirtualInput s_TouchInput;
+		private static VirtualInput s_HardwareInput;
+
+
+		static CrossPlatformInputManager()
+		{
+			s_TouchInput = new MobileInput();
+			s_HardwareInput = new StandaloneInput();
+#if MOBILE_INPUT
+            activeInput = s_TouchInput;
+#else
+			activeInput = s_HardwareInput;
+#endif
+		}
+
+		public static void SwitchActiveInputMethod(ActiveInputMethod activeInputMethod)
+		{
+			switch (activeInputMethod)
+			{
+				case ActiveInputMethod.Hardware:
+					activeInput = s_HardwareInput;
+					break;
+
+				case ActiveInputMethod.Touch:
+					activeInput = s_TouchInput;
+					break;
+			}
+		}
+
+		public static bool AxisExists(string name)
+		{
+			return activeInput.AxisExists(name);
+		}
+
+		public static bool ButtonExists(string name)
+		{
+			return activeInput.ButtonExists(name);
+		}
+
+		public static void RegisterVirtualAxis(VirtualAxis axis)
+		{
+			activeInput.RegisterVirtualAxis(axis);
+		}
+
+
+		public static void RegisterVirtualButton(VirtualButton button)
+		{
+			activeInput.RegisterVirtualButton(button);
+		}
+
+
+		public static void UnRegisterVirtualAxis(string name)
+		{
+			if (name == null)
+			{
+				throw new ArgumentNullException("name");
+			}
+			activeInput.UnRegisterVirtualAxis(name);
+		}
+
+
+		public static void UnRegisterVirtualButton(string name)
+		{
+			activeInput.UnRegisterVirtualButton(name);
+		}
+
+
+		// returns a reference to a named virtual axis if it exists otherwise null
+		public static VirtualAxis VirtualAxisReference(string name)
+		{
+			return activeInput.VirtualAxisReference(name);
+		}
+
+
+		// returns the platform appropriate axis for the given name
+		public static float GetAxis(string name)
+		{
+			return GetAxis(name, false);
+		}
+
+
+		public static float GetAxisRaw(string name)
+		{
+			return GetAxis(name, true);
+		}
+
+
+		// private function handles both types of axis (raw and not raw)
+		private static float GetAxis(string name, bool raw)
+		{
+			return activeInput.GetAxis(name, raw);
+		}
+
+
+		// -- Button handling --
+		public static bool GetButton(string name)
+		{
+			return activeInput.GetButton(name);
+		}
+
+
+		public static bool GetButtonDown(string name)
+		{
+			return activeInput.GetButtonDown(name);
+		}
+
+
+		public static bool GetButtonUp(string name)
+		{
+			return activeInput.GetButtonUp(name);
+		}
+
+
+		public static void SetButtonDown(string name)
+		{
+			activeInput.SetButtonDown(name);
+		}
+
+
+		public static void SetButtonUp(string name)
+		{
+			activeInput.SetButtonUp(name);
+		}
+
+
+		public static void SetAxisPositive(string name)
+		{
+			activeInput.SetAxisPositive(name);
+		}
+
+
+		public static void SetAxisNegative(string name)
+		{
+			activeInput.SetAxisNegative(name);
+		}
+
+
+		public static void SetAxisZero(string name)
+		{
+			activeInput.SetAxisZero(name);
+		}
+
+
+		public static void SetAxis(string name, float value)
+		{
+			activeInput.SetAxis(name, value);
+		}
+
+
+		public static Vector3 mousePosition
+		{
+			get { return activeInput.MousePosition(); }
+		}
+
+
+		public static void SetVirtualMousePositionX(float f)
+		{
+			activeInput.SetVirtualMousePositionX(f);
+		}
+
+
+		public static void SetVirtualMousePositionY(float f)
+		{
+			activeInput.SetVirtualMousePositionY(f);
+		}
+
+
+		public static void SetVirtualMousePositionZ(float f)
+		{
+			activeInput.SetVirtualMousePositionZ(f);
+		}
+
+
+		// virtual axis and button classes - applies to mobile input
+		// Can be mapped to touch joysticks, tilt, gyro, etc, depending on desired implementation.
+		// Could also be implemented by other input devices - kinect, electronic sensors, etc
+		public class VirtualAxis
+		{
+			public string name { get; private set; }
+			private float m_Value;
+			public bool matchWithInputManager { get; private set; }
+
+
+			public VirtualAxis(string name)
+				: this(name, true)
+			{
+			}
+
+
+			public VirtualAxis(string name, bool matchToInputSettings)
+			{
+				this.name = name;
+				matchWithInputManager = matchToInputSettings;
+			}
+
+
+			// removes an axes from the cross platform input system
+			public void Remove()
+			{
+				UnRegisterVirtualAxis(name);
+			}
+
+
+			// a controller gameobject (eg. a virtual thumbstick) should update this class
+			public void Update(float value)
+			{
+				m_Value = value;
+			}
+
+
+			public float GetValue
+			{
+				get { return m_Value; }
+			}
+
+
+			public float GetValueRaw
+			{
+				get { return m_Value; }
+			}
+		}
+
+		// a controller gameobject (eg. a virtual GUI button) should call the
+		// 'pressed' function of this class. Other objects can then read the
+		// Get/Down/Up state of this button.
+		public class VirtualButton
+		{
+			public string name { get; private set; }
+			public bool matchWithInputManager { get; private set; }
+
+			private int m_LastPressedFrame = -5;
+			private int m_ReleasedFrame = -5;
+			private bool m_Pressed;
+
+
+			public VirtualButton(string name)
+				: this(name, true)
+			{
+			}
+
+
+			public VirtualButton(string name, bool matchToInputSettings)
+			{
+				this.name = name;
+				matchWithInputManager = matchToInputSettings;
+			}
+
+
+			// A controller gameobject should call this function when the button is pressed down
+			public void Pressed()
+			{
+				if (m_Pressed)
+				{
+					return;
+				}
+				m_Pressed = true;
+				m_LastPressedFrame = Time.frameCount;
+			}
+
+
+			// A controller gameobject should call this function when the button is released
+			public void Released()
+			{
+				m_Pressed = false;
+				m_ReleasedFrame = Time.frameCount;
+			}
+
+
+			// the controller gameobject should call Remove when the button is destroyed or disabled
+			public void Remove()
+			{
+				UnRegisterVirtualButton(name);
+			}
+
+
+			// these are the states of the button which can be read via the cross platform input system
+			public bool GetButton
+			{
+				get { return m_Pressed; }
+			}
+
+
+			public bool GetButtonDown
+			{
+				get
+				{
+					return m_LastPressedFrame - Time.frameCount == -1;
+				}
+			}
+
+
+			public bool GetButtonUp
+			{
+				get
+				{
+					return (m_ReleasedFrame == Time.frameCount - 1);
+				}
+			}
+		}
+	}
+}