/// <summary>
/// Handle user input during the gamestate where the game is playing.
/// </summary>
public static void HandleGameInput(MouseState mouseState)
{
/** Mouse handling **/
if (mouseState.LeftButton == ButtonState.Pressed && !MousePressed)
{
HandleLeftMouseClick(mouseState);
MousePressed = true;
if (!Playing)
{
return;
}
}
else if (mouseState.LeftButton == ButtonState.Released)
{
MousePressed = false;
}
// Scroll Wheel
if (mouseState.ScrollWheelValue < PreviousMouseWheel)
{
Camera.Zoom -= 0.2f;
}
if (mouseState.ScrollWheelValue > PreviousMouseWheel)
{
Camera.Zoom += 0.2f;
}
PreviousMouseWheel = mouseState.ScrollWheelValue;
/** Keyboard Handling **/
// Back/cancel
if (!BackPressed && Keyboard.GetState().IsKeyDown(Keys.Escape))
{
BackPressed = true;
if (ActivePlayer.MapOverlayToggled)
{
ActivePlayer.ToggleMapUI();
}
else if (ActivePlayer.IsPlacingTower) // Stop tower placement
{
ActivePlayer.PendingTowerTemplate = null;
}
else if (!ActivePlayer.IsPlacingTower && ActivePlayer.HasSelectedTowers())
{
ActivePlayer.ClearSelectedTowers();
}
else
{
ActivePlayer.ToggleMenu();
}
}
else if (Keyboard.GetState().IsKeyUp(Keys.Escape))
{
BackPressed = false;
}
// Pause
if (Keyboard.GetState().IsKeyDown(Keys.Space) && !PausePressed)
{
// Toggle pause if menu is not open
Paused = !Paused;
PausePressed = true;
}
else if (Keyboard.GetState().IsKeyUp(Keys.Space) && PausePressed)
{
PausePressed = false;
}
// Grid overlay toggle
if (Keyboard.GetState().IsKeyDown(Keys.G) && !GridPressed)
{
// Toggle grid overlay.
ActivePlayer.GridToggle = !ActivePlayer.GridToggle;
GridPressed = true;
}
else if (Keyboard.GetState().IsKeyUp(Keys.G) && GridPressed)
{
GridPressed = false;
}
// Tile draw mode
if (Keyboard.GetState().IsKeyDown(Keys.H) && !TileModePressed)
{
TileModePressed = true;
ActivePlayer.TileMode = (TileDrawMode)(((int)(ActivePlayer.TileMode) + 1) % (int)(TileDrawMode.TotalDrawModes));
}
if (Keyboard.GetState().IsKeyUp(Keys.H) && TileModePressed)
{
TileModePressed = false;
}
// Map overlay toggle
if (Keyboard.GetState().IsKeyDown(Keys.M) && !MapButtonPressed)
{
ActivePlayer.ToggleMapUI();
MapButtonPressed = true;
}
else if (Keyboard.GetState().IsKeyUp(Keys.M) && MapButtonPressed)
{
MapButtonPressed = false;
}
// Delete button
if (Keyboard.GetState().IsKeyDown(Keys.Delete) && !DeletePressed)
{
DeletePressed = true;
ActivePlayer.RemoveSelectedTowers();
}
if (Keyboard.GetState().IsKeyUp(Keys.Delete) && DeletePressed)
{
DeletePressed = false;
}
// Movement keys
int movementMul = 1;
if (Keyboard.GetState().IsKeyDown(Keys.LeftShift) || Keyboard.GetState().IsKeyDown(Keys.RightShift))
{
movementMul = 10;
}
Vector2 movement = Vector2.Zero;
if (Keyboard.GetState().IsKeyDown(Keys.W))
{
movement.Y--;
}
if (Keyboard.GetState().IsKeyDown(Keys.S))
{
movement.Y++;
}
if (Keyboard.GetState().IsKeyDown(Keys.A))
{
movement.X--;
}
if (Keyboard.GetState().IsKeyDown(Keys.D))
{
movement.X++;
}
// Normalize vector
if (movement.X != 0 && movement.Y != 0)
{
movement.Normalize();
}
movement *= movementMul;
// Move Change the player's active direction.
ActivePlayer.Direction = movement;
}