/// <summary>
/// Executed when the player left-clicks on the grid.
/// </summary>
/// <param name="helper">The InputHelper used for mouse input.</param>
public virtual void OnLeftClick(InputHelper helper)
{
}
/// <summary>
/// Executed when the player left-clicks on the grid.
/// </summary>
/// <param name="helper">The InputHelper used for mouse input.</param>
public override void OnLeftClick(InputHelper helper)
{
bool animationBusy = false;
ForEach(obj => {
Tile t = obj as Tile;
if (t.Occupied && (t.Unit as Soldier).duringAttack)
{
animationBusy = true;
return;
}
});
if (animationBusy)
{
return;
}
// Get the current Tile under the mouse
Tile clickedTile = GetTileUnderMouse(helper, true);
// Do nothing if there is no clicked tile.
if (clickedTile == null)
{
return;
}
// If the player had a tile selected and it contains a Unit...
if (SelectedTile != null && SelectedTile.Occupied)
{
// ... move the Unit there, if the square is not occupied and the unit is capable, then unselect the tile.
SelectedTile.Unit.TargetPosition = clickedTile.PositionInGrid;
Point movePos = Pathfinding.MoveTowardsTarget(SelectedTile.Unit);
if (CheckMoveUnit(movePos, SelectedTile.Unit) || CheckAttackSoldier(clickedTile.PositionInGrid, (Soldier)SelectedTile.Unit) || movePos.Equals(SelectedTile.Unit.PositionInGrid))
{
SelectTile(InvalidTile);
return;
}
}
// Check if the player clicked a tile with a Unit on it, and select it if it's there.
else if (clickedTile.Occupied && clickedTile.Unit.Owner == CurrentPlayer && clickedTile.Unit.HasAction)
{
// If the Unit can walk, show where it is allowed to walk.
if (!clickedTile.Unit.HasMoved)
{
walkablePositions = Pathfinding.ReachableTiles(clickedTile.Unit, Width, Height);
SetUnitWalkingOverlay(walkablePositions);
}
// This unit can be selected. Show the player it is selected too
SelectTile(clickedTile.PositionInGrid);
// Add an overlay for enemy units that can be attacked
if (!(clickedTile.Unit as Soldier).HasAttacked)
{
SetUnitAttackingOverlay((Soldier)clickedTile.Unit);
}
}
}