public void Update(GameTime gameTime)
{
// if the cursor strays too far from the center, close the radial menu
var cursor = new Rectangle
{
X = _mouse.GetState().X,
Y = _mouse.GetState().Y
};
var xDistance = cursor.X - (CenterX);
var yDistance = cursor.Y - (CenterY);
if (Math.Sqrt(Math.Pow(xDistance, 2) + Math.Pow(yDistance, 2)) > ExitDistance)
{
OnExit.Invoke();
}
}
private MouseButtonPressed GetCurrent()
{
var state = mouse.GetState();
MouseButtonPressed result = 0;
if (state.LeftButton == ButtonState.Pressed)
{
result |= MouseButtonPressed.Left;
}
if (state.RightButton == ButtonState.Pressed)
{
result |= MouseButtonPressed.Right;
}
if (state.MiddleButton == ButtonState.Pressed)
{
result |= MouseButtonPressed.Middle;
}
return(result);
}
void ProcessPlayerInput()
{
// no avatar... no nothing
if (Game.CurrentWorld.CurrentAvatar == null)
{
return;
}
if (keyboard.GetKeyState(Key.key_F5))
{
Game.CurrentMainWindow.SetGameControlMode();
}
else if (keyboard.GetKeyState(Key.key_F6))
{
Game.CurrentMainWindow.ReleaseGameControlMode();
}
if (Game.GameControlMode)
{
if (keyboard.GetKeyState(Key.key_ESCAPE))
{
Game.CurrentMainWindow.ReleaseGameControlMode();
}
else if (keyboard.GetKeyState(Key.key_1))
{
Game.CurrentGameCommand = EnumSkill.Kill;
}
else if (keyboard.GetKeyState(Key.key_2))
{
Game.CurrentGameCommand = EnumSkill.AcidBlast;
}
else if (keyboard.GetKeyState(Key.key_3))
{
Game.CurrentGameCommand = EnumSkill.Kick;
}
else if (keyboard.GetKeyState(Key.key_4))
{
Game.CurrentGameCommand = EnumSkill.Levitate;
}
else if (keyboard.GetKeyState(Key.key_0))
{
Game.CurrentGameCommand = EnumSkill.None;
}
}
// if not in game control mode, don't respond to game controls
if (!Game.GameControlMode)
{
return;
}
float moveunit = 1.39F * (float)movementTimer.ElapsedSeconds();
if (keyboard.GetKeyState(Key.key_LEFTSHIFT))
{
moveunit *= 2.5F;
}
#region ProcessRotationInput
Vector3D avatarPosition = Game.CurrentWorld.CurrentAvatar.model.Position.Clone();
Vector3D newRotation = Game.CurrentWorld.CurrentAvatar.model.Rotation.Clone();
mouse.GetState();
if (mouse.X != 0)
{
newRotation.Y += mouse.X * 0.2f;
newRotation.X = pitch;
}
if (mouse.Y != 0)
{
pitch += mouse.Y * 0.2f;
if (pitch > 60)
{
pitch = 60;
}
if (pitch < -60)
{
pitch = -60;
}
newRotation.X = pitch;
}
if (keyboard.GetKeyState(Key.key_Q))
{
newRotation.Y -= moveunit * 2F;
}
if (keyboard.GetKeyState(Key.key_E))
{
newRotation.Y += moveunit * 2F;
}
#endregion
#region 2.0 Process Movement Input
Vector3D changeOfPosition = new Vector3D(0, 0, 0);
if (keyboard.GetKeyState(Key.key_W))
{
changeOfPosition.X += (float)Math.Sin(newRotation.Y * Math.PI / 180.0) * moveunit;
changeOfPosition.Z += (float)Math.Cos(newRotation.Y * Math.PI / 180.0) * moveunit;
}
if (keyboard.GetKeyState(Key.key_S))
{
changeOfPosition.X -= (float)Math.Sin(newRotation.Y * Math.PI / 180.0) * moveunit / 2F;
changeOfPosition.Z -= (float)Math.Cos(newRotation.Y * Math.PI / 180.0) * moveunit / 2F;
}
if (keyboard.GetKeyState(Key.key_D))
{
changeOfPosition.X += (float)Math.Cos(newRotation.Y * Math.PI / 180.0) * moveunit / 2F;
changeOfPosition.Z -= (float)Math.Sin(newRotation.Y * Math.PI / 180.0) * moveunit / 2F;
}
if (keyboard.GetKeyState(Key.key_A))
{
changeOfPosition.X -= (float)Math.Cos(newRotation.Y * Math.PI / 180.0) * moveunit / 2F;
changeOfPosition.Z += (float)Math.Sin(newRotation.Y * Math.PI / 180.0) * moveunit / 2F;
}
if (changeOfPosition.GetMagnitudeSquared() != 0)
{
// stay on the ground
// TODO: What about when walking on objects?
Vector3D newPosition = avatarPosition + changeOfPosition;
try
{
newPosition.Y =
Game.CurrentWorld.TerrainPieces.AltitudeAt(newPosition.X, newPosition.Z) + Game.CurrentWorld.CurrentAvatar.physicalObject.Height / 2;
//Game.CurrentWorld.WorldTerrain.HeightLookup( newPosition.X, newPosition.Z ) + Game.CurrentWorld.CurrentAvatar.physicalObject.Height/2;
changeOfPosition.Y = newPosition.Y - avatarPosition.Y;
// check that we can go there
foreach (PhysicalObjectInstance poi in Game.CurrentWorld.physicalObjectInstances.Values)
{
if (poi.physicalObject is Terrain)
{
continue;
}
if (poi == Game.CurrentWorld.CurrentAvatar)
{
//ignore ourselves
continue;
}
// do a bounding sphere test to see if the movement will go near poi
// test from the middle of the line drawn between current position
// and future position, distance is the radius of both objects
// plus half the distance of the movement.
float dx = avatarPosition.X + changeOfPosition.X / 2F - poi.model.Position.X;
float dy = avatarPosition.Y + changeOfPosition.Y / 2F - poi.model.Position.Y;
float dz = avatarPosition.Z + changeOfPosition.Z / 2F - poi.model.Position.Z;
float distance_squared = dx * dx + dy * dy + dz * dz;
float distance_moved = changeOfPosition.X * changeOfPosition.X + changeOfPosition.Y * changeOfPosition.Y + changeOfPosition.Z * changeOfPosition.Z;
// TODO: optimize, no sqrts
if (Math.Sqrt(distance_squared) < Math.Sqrt(poi.model.RadiusSquared) + Math.Sqrt(Game.CurrentWorld.CurrentAvatar.model.RadiusSquared) + Math.Sqrt(distance_moved) / 2F)
{
// ok, these objects are close enough to collide,
// but did a collision really happen?
// now we do a more acurate test to find out.
Vector3D boxmin1 = new Vector3D();
Vector3D boxmax1 = new Vector3D();
Vector3D boxmin2 = new Vector3D();
Vector3D boxmax2 = new Vector3D();
poi.model.GetBoundingBox(boxmin1, boxmax1);
Game.CurrentWorld.CurrentAvatar.model.GetBoundingBox(boxmin2, boxmax2);
Vector3D halfbox1size = (boxmax1 - boxmin1) / 2;
boxmin2 -= halfbox1size;
boxmax2 += halfbox1size;
boxmin2 += poi.model.Position;
boxmax2 += poi.model.Position;
if (
avatarPosition.X > boxmin2.X &&
avatarPosition.Y > boxmin2.Y &&
avatarPosition.Z > boxmin2.Z &&
avatarPosition.X < boxmax2.X &&
avatarPosition.Y < boxmax2.Y &&
avatarPosition.Z < boxmax2.Z
)
{
// already in a collision, ignore collision detection
break;
}
if (
newPosition.X > boxmin2.X &&
newPosition.Y > boxmin2.Y &&
newPosition.Z > boxmin2.Z &&
newPosition.X < boxmax2.X &&
newPosition.Y < boxmax2.Y &&
newPosition.Z < boxmax2.Z
)
{
// would be a collision
changeOfPosition.Set(0, 0, 0);
break;
// TODO: should actually figure out the collision point
}
}
}
}
catch (InvalidLocationException)
{
changeOfPosition.Set(0, 0, 0);
}
// NB: PlayerMovement is called regardless,
// as we need to update values for message throtling
}
#endregion
PlayerMovement(avatarPosition, changeOfPosition, newRotation);
Game.CurrentWorld.RepositionCamera();
}