/// <summary>
/// Lets the game respond to player input. Unlike the Update method, this will only be called when the gameplay screen is active.
/// </summary>
/// <param name="input">The InputState instance that relays the state of input.</param>
public void HandleInput(InputState input)
{
//Enable the GUI to handle input as well.
_GUI.HandleInput(input);
//If the GUI hasn't been clicked.
if (!_IsGUIClicked)
{
#region Mouse Clicks
//If a left mouse click has occured, see what the user wants to be selected.
if (input.IsNewLeftMouseClick())
{
//If the click wasn't on any of the animation bars, select the closest bone to the mouse.
//if (!Helper.IsPointWithinBox(new Vector2(Mouse.GetState().X, Mouse.GetState().Y), _AnimationBars.Position, _AnimationBars.Width, _AnimationBars.Height))
{
//The bone index.
int index = -1;
//The shortest distance.
float shortest = -1;
//Loop through all bones in all skeletons and find the closest one.
foreach (Bone b in _Character.Skeleton.Bones)
{
//The average distance to the bone.
float distance = Vector2.Distance(new Vector2(Mouse.GetState().X, Mouse.GetState().Y), Vector2.Divide(Vector2.Add(b.TransformedPosition,
Helper.CalculateOrbitPosition(b.TransformedPosition, b.TransformedRotation, b.Length)), 2));
//Determine the shortest distance and the bone.
if (shortest == -1) { index = b.Index; shortest = distance; }
else if ((shortest != -1) && (distance < shortest))
{
//The selected index.
index = b.Index;
//The shortest distance so far.
shortest = distance;
}
}
//Pass along the new selected bone index.
_SelectedBoneIndex = index;
}
}
#endregion
#region Keyboard Presses
//If the user presses the TAB button, loop through all bones in the skeleton.
if (input.IsNewKeyPress(Keys.Tab))
{
//Increment the counter.
_SelectedBoneIndex++;
//Check the bounds of the selected bone index.
if (_SelectedBoneIndex >= _Character.Skeleton.Bones.Count) { _SelectedBoneIndex = 0; }
}
//If the user holds down CTRL.
if (input.CurrentKeyboardStates[0].IsKeyDown(Keys.LeftControl) || input.CurrentKeyboardStates[0].IsKeyDown(Keys.RightControl))
{
//Add a new bone to the skeleton.
if (input.IsNewKeyPress(Keys.B)) { DisplayCreateBoneDialog(_SelectedBoneIndex); }
//If the user presses the K button, insert a new keyframe after the selected one.
if (input.IsNewKeyPress(Keys.K)) { AddKeyframe(GetAnimationBar().SelectedFrameNumber + 1); }
//If the user presses the DELETE button, delete the selected keyframe.
if (input.IsNewKeyPress(Keys.Delete)) { DeleteKeyframe(GetAnimationBar().SelectedFrameNumber); }
}
//If the animation has been paused.
if (!IsAnyAnimationPlaying())
{
//If the user holds down CTRL.
if (input.CurrentKeyboardStates[0].IsKeyDown(Keys.LeftControl) || input.CurrentKeyboardStates[0].IsKeyDown(Keys.RightControl))
{
//Move the selected bone.
if (input.CurrentKeyboardStates[0].IsKeyDown(Keys.Right)) { MoveBone(_SelectedBoneIndex, new Vector2(1, 0)); }
else if (input.CurrentKeyboardStates[0].IsKeyDown(Keys.Left)) { MoveBone(_SelectedBoneIndex, new Vector2(-1, 0)); }
else if (input.CurrentKeyboardStates[0].IsKeyDown(Keys.Up)) { MoveBone(_SelectedBoneIndex, new Vector2(0, -1)); }
else if (input.CurrentKeyboardStates[0].IsKeyDown(Keys.Down)) { MoveBone(_SelectedBoneIndex, new Vector2(0, 1)); }
}
//Otherwise rotate the selected bone.
else
{
//If a bone is selected and the user presses an arrow button, rotate the bone.
if (input.CurrentKeyboardStates[0].IsKeyDown(Keys.Right))
{
//Rotate the bone and acknowledge that it has been modified.
_Character.Skeleton.Bones[_SelectedBoneIndex].Rotation += .1f;
_ModifiedBone[_SelectedBoneIndex] = true;
}
else if (input.CurrentKeyboardStates[0].IsKeyDown(Keys.Left))
{
//Rotate the bone and acknowledge that it has been modified.
_Character.Skeleton.Bones[_SelectedBoneIndex].Rotation -= .1f;
_ModifiedBone[_SelectedBoneIndex] = true;
}
}
}
#endregion
}
}
/// <summary>
/// Handle all input to the debug system.
/// </summary>
/// <param name="input">The input to consider.</param>
public void HandleInput(InputState input)
{
if (input.IsNewKeyPress(Keys.F1)) { Debug(); }
if (input.IsKeyDown(Keys.LeftShift))
{
if (input.IsNewKeyPress(Keys.Q)) { _World.Gravity = new Vector2(0, 0); }
if (input.IsNewKeyPress(Keys.W)) { _World.Gravity = new Vector2(1, 0); }
if (input.IsNewKeyPress(Keys.E)) { _World.Gravity = new Vector2(10, 0); }
if (input.IsNewKeyPress(Keys.R)) { _World.Gravity = new Vector2(100, 0); }
if (input.IsNewKeyPress(Keys.T)) { _World.Gravity = new Vector2(1000, 0); }
}
else
{
if (input.IsNewKeyPress(Keys.Q)) { _World.Gravity = new Vector2(0, -10); }
if (input.IsNewKeyPress(Keys.W)) { _World.Gravity = new Vector2(0, -1); }
if (input.IsNewKeyPress(Keys.E)) { _World.Gravity = new Vector2(0, 1); }
if (input.IsNewKeyPress(Keys.R)) { _World.Gravity = new Vector2(0, 10); }
if (input.IsNewKeyPress(Keys.T)) { _World.Gravity = new Vector2(0, 100); }
}
/*if (input.CurrentKeyboardStates[i].IsKeyDown(Keys.Z)) { System.UpdateSpeed = 0.1f; }
if (input.CurrentKeyboardStates[i].IsKeyDown(Keys.X)) { System.UpdateSpeed = 0.01f; }
if (input.CurrentKeyboardStates[i].IsKeyDown(Keys.C)) { System.UpdateSpeed = 0.001f; }
if (input.CurrentKeyboardStates[i].IsKeyDown(Keys.V)) { System.UpdateSpeed = 0.0001f; }
if (input.CurrentKeyboardStates[i].IsKeyDown(Keys.B)) { System.UpdateSpeed = 0.0f; }*/
}
/// <summary>
/// Handle user input.
/// </summary>
/// <param name="input">The helper for reading input from the user.</param>
public void HandleInput(InputState input)
{
//Let the GUI handle user input.
_GUI.HandleInput(input);
//Enable the DebugSystem to handle input.
_DebugSystem.HandleInput(input);
#region Camera
//If the CTRL button is not held down.
if (!input.IsKeyDown(Keys.LeftControl))
{
//Manage the camera movement.
if (input.IsKeyDown(Keys.W)) { MoveCamera(new Vector2(0, -1)); }
if (input.IsKeyDown(Keys.S)) { MoveCamera(new Vector2(0, 1)); }
if (input.IsKeyDown(Keys.A)) { MoveCamera(new Vector2(-1, 0)); }
if (input.IsKeyDown(Keys.D)) { MoveCamera(new Vector2(1, 0)); }
//Let the user zoom in and out.
if (input.IsKeyDown(Keys.Z)) { _Camera.Zoom(-.05f); }
if (input.IsKeyDown(Keys.X)) { _Camera.Zoom(.05f); }
}
#endregion
#region Editing
//If the CTRL button is down.
if (input.IsKeyDown(Keys.LeftControl))
{
//Manage the item movement.
if (input.IsKeyDown(Keys.W)) { MoveItem(new Vector2(0, -5)); }
if (input.IsKeyDown(Keys.S)) { MoveItem(new Vector2(0, 5)); }
if (input.IsKeyDown(Keys.A)) { MoveItem(new Vector2(-5, 0)); }
if (input.IsKeyDown(Keys.D)) { MoveItem(new Vector2(5, 0)); }
//Let the user rotate the item.
if (input.IsKeyDown(Keys.Q)) { RotateItem(-.01f); }
if (input.IsKeyDown(Keys.E)) { RotateItem(.01f); }
//Let the user scale the item.
if (input.IsKeyDown(Keys.Z)) { ScaleItem(new Vector2(-.05f, -.05f)); }
if (input.IsKeyDown(Keys.X)) { ScaleItem(new Vector2(.05f, .05f)); }
//Let the user copy the item.
if (input.IsNewKeyPress(Keys.V)) { CopyItem(Helper.GetMousePosition()); }
}
//If the GUI hasn't been clicked.
if (!_IsGUIClicked)
{
//Select an item.
if (input.IsNewLeftMouseClick()) { SelectItem(GetItemAtPosition(Helper.GetMousePosition())); }
//If the user wants to seize and move an item with the mouse.
if (input.IsNewLeftMousePress() && _SelectedItem != null)
{
//Handle the item grapple.
GrappleItem();
}
}
//If the user disengages the grapple function.
if (input.IsNewLeftMouseReleased())
{
//If the grapple joint exists.
if (_MouseGrappleJoint != null)
{
//Remove the grapple joint from the world simulation.
_Level.World.RemoveJoint(_MouseGrappleJoint);
_MouseGrappleJoint = null;
}
//Reset the grapple point.
_ItemGrapplePoint = Vector2.Zero;
}
#endregion
//Quickie.
if (input.IsKeyDown(Keys.N)) { SetUpTreeView(); }
if (input.IsNewKeyPress(Keys.M)) { ToggleGUI(); }
//Let the level handle user input.
_Level.HandleInput(input);
}