private void HandleInput()
{
if (keystate.IsKeyDown(Keys.A) && prevKeystate.IsKeyUp(Keys.A))
{
tower = new ArrowTower(arrowTower, Vector2.Zero, bullet, 1, soundBank);
if (tower.Cost <= money)
{
towerPreview.ChangeTowerTexture(arrowTower);
towerPreview.ChangeRangeTexture(arrowRange, tower.Range);
}
else
{
tower = null;
}
}
if (keystate.IsKeyDown(Keys.S) && prevKeystate.IsKeyUp(Keys.S))
{
tower = new SpikeTower(spikeTower, Vector2.Zero, bullet, 1, soundBank);
if (tower.Cost <= money)
{
towerPreview.ChangeTowerTexture(spikeTower);
towerPreview.ChangeRangeTexture(spikeRange, tower.Range);
}
else
{
tower = null;
}
}
if (keystate.IsKeyDown(Keys.B) && prevKeystate.IsKeyUp(Keys.B))
{
tower = new BombTower(bombTower, Vector2.Zero, bullet, 1, soundBank);
if (tower.Cost <= money)
{
towerPreview.ChangeTowerTexture(bombTower);
towerPreview.ChangeRangeTexture(arrowRange, tower.Range);
}
else
{
tower = null;
}
}
if (keystate.IsKeyDown(Keys.Space) && prevKeystate.IsKeyUp(Keys.Space))
{
Button waveButton = guiManager.GetButton("wave");
if (waveButton.Visible)
{
waveManager.StartNextWave();
}
waveButton.Visible = false;
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary> Reference page contains links to related code samples. </summary>
///
/// <remarks> Frost, 16.11.2010. </remarks>
///
/// <param name="gameTime"> Time passed since the last call to Update. </param>
////////////////////////////////////////////////////////////////////////////////////////////////////
protected override void Update(GameTime gameTime)
{
mouseState = Mouse.GetState();
keystate = Keyboard.GetState();
this.Window.Title = "X : " + mouseState.X.ToString() + " Y : " + mouseState.Y.ToString();
cellX = (int)(mouseState.X / Engine.TileWidth);
cellY = (int)(mouseState.Y / Engine.TileHeight);
tileX = cellX * Engine.TileWidth;
tileY = cellY * Engine.TileHeight;
HandleInput();
waveManager.Update(gameTime);
if (waveManager.CurrentWave.EnemyReachedEnd)
{
lives--;
waveManager.CurrentWave.EnemyReachedEnd = false;
}
if (waveManager.waveFinished)
{
Button waveButton = guiManager.GetButton("wave");
waveButton.Visible = true;
}
guiManager.Update(gameTime);
if (mouseState.RightButton == ButtonState.Released && oldState.RightButton == ButtonState.Pressed)
{
tower = null;
towerSelected = false;
}
if (IsInBounds(cellX, cellY) && this.IsActive && level.GetCellIndex(cellX, cellY) != 1)
{
if (mouseState.LeftButton == ButtonState.Released && oldState.LeftButton == ButtonState.Pressed)
{
selectedTower = towerManager.IsTowerSelected(tileX, tileY);
if (selectedTower != null)
{
selectedTower.Selected = true;
towerSelected = true;
selectedTowerPos = selectedTower.Position;
if (selectedTower is ArrowTower || selectedTower is BombTower)
{
selectedType = 1;
}
else
{
selectedType = 2;
}
}
else
{
towerSelected = false;
CreateTower();
}
}
}
if (towerSelected)
{
if (keystate.IsKeyDown(Keys.U) && prevKeystate.IsKeyUp(Keys.U))
{
if (money >= selectedTower.CostNextLevel && selectedTower.Tier != 3)
{
money -= selectedTower.CostNextLevel;
selectedTower.Upgrade();
}
}
}
towerManager.Update(gameTime, waveManager.GetEnemies());
foreach (Enemy enemy in waveManager.GetEnemies())
{
if (enemy.IsDead)
{
money += enemy.BountyGiven;
}
}
prevKeystate = keystate;
oldState = mouseState;
base.Update(gameTime);
audioEngine.Update();
exitGameOnEsc();
}
