// Tries to upgrade the tower on the selected tile
// Returns false if unsuccessful
public bool TryUpgrade()
{
// Make sure we have a selected tile (this should never happen)
if (m_SelectedTile != null && m_SelectedTile.Tower != null)
{
Objects.Tower t = m_SelectedTile.Tower;
// Can't upgrade if it's not active
if (!t.IsRunning)
{
m_UIGameplay.ShowErrorMessage(Localization.Get().Text("ui_err_building"));
return(false);
}
// We can't upgrade if we're at the max level already
if (t.Level == t.MaxLevel)
{
m_UIGameplay.ShowErrorMessage(Localization.Get().Text("ui_err_level"));
return(false);
}
// Make sure we can afford it
if (t.GetUpgradeCost() > Money)
{
m_UIGameplay.ShowErrorMessage(Localization.Get().Text("ui_err_money"));
return(false);
}
// Do the upgrade
t.Upgrade();
SoundManager.Get().PlaySoundCue("Build");
return(true);
}
return(false);
}
public void PreviewBuild(Tower tower)
{
m_Tower = tower;
m_Tower.Position = Position;
}
public void ClearTower(bool destroying = false)
{
m_Tower = null;
m_bBuildable = true;
// If the tower is being destroyed, move the tile back down
if (destroying)
{
m_State = eTileState.Down;
}
}
public void Build(Tower tower, bool bLoad = true)
{
if (bLoad)
{
tower.Load();
}
m_Tower = tower;
m_Tower.Position = Position;
m_Tower.Spawned = true;
m_Tower.Build(this);
m_bInUse = true;
m_bBuildable = false;
// When we build, move the tile up
m_State = eTileState.Up;
}
public void PreviewBuild(Tower tower)
{
m_Tower = tower;
m_Tower.Position = Position;
}
// Try to build the specified tower at the current tile.
// Returns true if succeeds
public bool TryBuild(eTowerType type)
{
// Check and make sure we can afford this building
int BuildCost = 0;
switch (type)
{
case (eTowerType.Projectile):
BuildCost = Balance.ProjectileTower[0].BuildCost;
break;
case (eTowerType.Slow):
BuildCost = Balance.SlowTower[0].BuildCost;
break;
}
if (BuildCost > Money)
{
m_UIGameplay.ShowErrorMessage(Localization.Get().Text("ui_err_money"));
return(false);
}
// Create the tower
// We don't use SpawnGameObject here because the Tower is a child of its Tile
Objects.Tower tower = null;
switch (type)
{
case (eTowerType.Projectile):
tower = new Objects.ProjectileTower(m_Game);
break;
case (eTowerType.Slow):
tower = new Objects.SlowTower(m_Game);
break;
}
tower.Load();
// Check whether or not there still is a route for enemies to take
// before building this!
m_SelectedTile.PreviewBuild(tower);
if (!Pathfinder.Get().ComputeAStar())
{
m_UIGameplay.ShowErrorMessage(Localization.Get().Text("ui_err_block"));
// Clear out this tower and recompute old path
m_SelectedTile.ClearTower();
Pathfinder.Get().ComputeAStar();
return(false);
}
else
{
// Any active enemies need to compute new paths, in case the old one is blocked
foreach (Objects.Enemy e in m_Enemies)
{
Pathfinder.Get().ComputeAStar(e);
}
m_SelectedTile.Build(tower, false);
m_UIGameplay.FinishBuild();
}
return(true);
}