public void Update(GameTime gameTime, ref PathView path)
{
this.enemies = waveHandler.GetCurrentWave().enemies;
mouse.Update();
// Finding out what cell in the array the mouse pointer is
cellX = (int)(mouse.currentMouseState.X / 32);
cellY = (int)((mouse.currentMouseState.Y - 24) / 32);
// Only enter if you are releasing Left mouse and you are inside the array of the map
if (mouse.ReleaseLeftClick && (map.Height - 1) >= cellY && (map.Width - 1) >= cellX && cellX >= 0 && cellY >= 0)
{
// Only enter if you have selected a tower you want to place and the round has not started
if (newTowerType != 0 && !waveHandler.WaveStarted())
{
// set the tower you want to upgrade to null
selectedTower = null;
// Only enter if there is something in the map array placed on the position you have clicked
// and the newtowertype is 3(Which is the delete)
if (map.GetIndex(cellX, cellY) != 0 && towers[cellX, cellY] != null && newTowerType == 3)
{
// getting the type of tower you want to sell
int sellType = map.GetIndex(cellX, cellY);
// If tower is type one, which is a not an attacking tower you will get all you money back
// if not then 50% back
if (sellType == 1)
{
gold += Tower.GetCost(sellType);
}
else
{
gold += (int)(Tower.GetCost(sellType) * 0.5f);
}
// Add 0 to the position where the tower used to be.
map.AddToMap(cellX, cellY, 0);
// Remove the tower object by setting it to null
towers[cellX, cellY] = null;
// Sending the edited map in to the pathfinder again to get new path
Pathfinder p = new Pathfinder(map);
List <Vector2> newPath = p.FindPath(new Point(0, 0), new Point(map.Width - 1, map.Height - 1));
// send new path to the Pathview class to show new path
path.Path = newPath;
// send new path to the units so they know the new path when they start walking
Unit.Path = newPath;
}
// Only enter if there is nothing on that position of the map and you have the
// not pressed the delete tower button
else if (map.GetIndex(cellX, cellY) == 0 && newTowerType != 3)
{
// only enter if you have enough gold
if (gold >= Tower.GetCost(newTowerType))
{
gold -= Tower.GetCost(newTowerType);
// Add tower to the map
map.AddToMap(cellX, cellY, newTowerType);
Pathfinder p = new Pathfinder(map);
List <Vector2> t = p.FindPath(new Point(0, 0), new Point(map.Width - 1, map.Height - 1));
// After checking new path. if count == 0 the path is blocked off and there is no way
// for the creeps to go. So remove the point added to the map refund money and tell the
// player
if (t.Count == 0)
{
map.AddToMap(cellX, cellY, 0);
toast.AddMessage("ಠ_ಠ Du är for dårlig at bygga tårn.");
gold += Tower.GetCost(newTowerType);
}
else
{
// Add new path to pathview and the units
path.Path = t;
Unit.Path = t;
// add new tower object to the array
towers[cellX, cellY] = new Tower(newTowerType, cellX, cellY);
}
}
else
{
// Player does not have enough gold tell them
toast.AddMessage("(╯°□°）╯︵ ʎǝuoɯ ǝɹoɯ ou");
}
}
}
else if (towers[cellX, cellY] != null && newTowerType == 0 && towers[cellX, cellY].Type != 1)
{
// Select tower you want to upgrade
selectedTower = towers[cellX, cellY];
}
}
if (mouse.ReleaseRightClick)
{
// Deselect towers you want to upgrade or build.
newTowerType = 0;
selectedTower = null;
}
// Go through the array of the tower objects to tell them the new position of the enemies
for (int y = 0; y < towers.GetLength(1); y++)
{
for (int x = 0; x < towers.GetLength(0); x++)
{
if (towers[x, y] != null)
{
towers[x, y].Update(ref enemies, gameTime);
}
}
}
}
