MouseInputDevice.cs

using UnityEngine;
using System.Collections;
using System;
using UnityEngine.EventSystems;
using UI;
#if UNITY_EDITOR
using UnityEditor;
#endif

public class MouseInputDevice : MonoBehaviour, InputDevice {
    
    public InputDeviceManager.InputDeviceType getDeviceType ()
    {
        return InputDeviceManager.InputDeviceType.Mouse;
    }

    public bool developmentMode = true;
    public Vector3 rayOriginOffset;

    private LineRenderer lineRenderer;

    public float mouseSpeed = 1.4f;

    private Vector2 texCoordDelta;
    private Vector3 positionDelta;

    private Vector3 rayAngle = new Vector3( 0, 0, 0 );

    private ButtonInfo buttonInfo = new ButtonInfo();

    public Ray createRay()
    {

        Ray ray;
        if(developmentMode){
            ray = Camera.main.ScreenPointToRay(Input.mousePosition);
        }
        else{
            rayAngle = rayAngle + new Vector3 ( -Input.GetAxis("Mouse Y") * mouseSpeed, Input.GetAxis("Mouse X") * mouseSpeed, 0f );
            Vector3 rayDir = Quaternion.Euler (rayAngle) * Vector3.forward;

            ray = new Ray(Camera.main.transform.position + rayOriginOffset, rayDir); 
        }
        return ray;
    }

    public Vector2 getScrollDelta()
    {
        return Input.mouseScrollDelta*20f;
    }

    void Start () {
        lineRenderer = this.GetComponent<LineRenderer> ();
        if (lineRenderer == null) {
            Debug.LogError ("[MouseInput.cs] Line renderer not set");
        }

        if (InputDeviceManager.instance != null) {
            InputDeviceManager.instance.registerInputDevice (this);
            Debug.Log ("Mouse registered");
        }
    }

    public void Update() {
        if (!developmentMode && Input.GetKey ("escape")) {
            Cursor.lockState = CursorLockMode.None;
        }
    }

    public void OnEnable() {
        if (!developmentMode) {
            Cursor.lockState = CursorLockMode.Locked;
        }
    }

    public bool isLeftButtonDown()
    {
        return Input.GetMouseButton (0);
    }
    public bool isRightButtonDown()
    {
        return Input.GetMouseButton (1);
    }
    public bool isMiddleButtonDown()
    {
        return Input.GetMouseButton (2);
    }

    public ButtonInfo updateButtonInfo ()
    {

        if (Input.GetMouseButtonDown (0) && Input.GetMouseButtonUp (0)) {
            buttonInfo.buttonStates [ButtonType.Left] = PointerEventData.FramePressState.PressedAndReleased;
        } else if (Input.GetMouseButtonDown (0)) {
            buttonInfo.buttonStates [ButtonType.Left] = PointerEventData.FramePressState.Pressed;
        } else if (Input.GetMouseButtonUp (0)) {
            buttonInfo.buttonStates [ButtonType.Left] = PointerEventData.FramePressState.Released;
        } else {
            buttonInfo.buttonStates [ButtonType.Left] = PointerEventData.FramePressState.NotChanged;
        }

        if (Input.GetMouseButtonDown (1) && Input.GetMouseButtonUp (1)) {
            buttonInfo.buttonStates [ButtonType.Right] = PointerEventData.FramePressState.PressedAndReleased;
        } else if (Input.GetMouseButtonDown (1)) {
            buttonInfo.buttonStates [ButtonType.Right] = PointerEventData.FramePressState.Pressed;
        } else if (Input.GetMouseButtonUp (1)) {
            buttonInfo.buttonStates [ButtonType.Right] = PointerEventData.FramePressState.Released;
        } else {
            buttonInfo.buttonStates [ButtonType.Right] = PointerEventData.FramePressState.NotChanged;
        }

        if (Input.GetMouseButtonDown (2) && Input.GetMouseButtonUp (2)) {
            buttonInfo.buttonStates [ButtonType.Middle] = PointerEventData.FramePressState.PressedAndReleased;
        } else if (Input.GetMouseButtonDown (2)) {
            buttonInfo.buttonStates [ButtonType.Middle] = PointerEventData.FramePressState.Pressed;
        } else if (Input.GetMouseButtonUp (2)) {
            buttonInfo.buttonStates [ButtonType.Middle] = PointerEventData.FramePressState.Released;
        } else {
            buttonInfo.buttonStates [ButtonType.Middle] = PointerEventData.FramePressState.NotChanged;
        }

        return buttonInfo;
    }

    public Camera getEventCamera()
    {
        return Camera.main;
    }

    public Vector2 getTexCoordDelta() {
        return texCoordDelta;
    }
    public Vector3 get3DDelta() {
        return positionDelta;
    }

    public void setTexCoordDelta( Vector2 delta ) {
        texCoordDelta = delta;
    }
    public void set3DDelta( Vector2 delta ) {
        positionDelta = delta;
    }
}

#if UNITY_EDITOR
[CustomEditor(typeof(MouseInputDevice))]
public class MouseInputDeviceEditor : Editor
{
    public override void OnInspectorGUI()
    {
        MouseInputDevice mid = target as MouseInputDevice;

        mid.developmentMode = GUILayout.Toggle(mid.developmentMode, "Development Mode");

        if (!mid.developmentMode) {
            mid.rayOriginOffset = EditorGUILayout.Vector3Field ("Ray Origin Offset", new Vector3 (0.2f, -0.3f, 0f));
            mid.mouseSpeed = EditorGUILayout.FloatField ("Mouse Speed", 1.5f);
            Cursor.lockState = CursorLockMode.Locked;
        } else {
            mid.rayOriginOffset = Vector3.zero;
            mid.mouseSpeed = 1.5f;
            Cursor.lockState = CursorLockMode.None;
        }
    }
}
#endif