/// <summary>
/// Selects the tile at the given position
/// </summary>
public void SelectTile(Vector2 position)
{
if (tiles.ContainsKey(position))
{
if (tiles[position].OccupyingUnit != null)
{
display.gameObject.SetActive(true);
display.DisplayUnit(tiles[position].OccupyingUnit);
}
else
{
display.gameObject.SetActive(false);
}
switch (selectionState)
{
case SelectionState.Unit:
DeselectTiles();
tiles[position].Highlight = HighlightState.Selected;
if (tiles[position].OccupyingUnit != null && tiles[position].OccupyingUnit.Team == teams[turnStage].teamType)
{
selectedUnit = tiles[position].OccupyingUnit;
selectedUnit.Select();
selectionState = SelectionState.Action;
}
if (tiles[position].OccupyingUnit == null)
{
switch (tiles[position].Terrain)
{
case TileState.Dirt:
break;
case TileState.Grass:
if (teams[turnStage].teamType == TeamType.Plants)
{
selectionState = SelectionState.PurchaseUnit;
selectedPosition = position;
shop.DisplayShop(teams[turnStage]);
}
break;
case TileState.Metal:
if (teams[turnStage].teamType == TeamType.Robots)
{
selectionState = SelectionState.PurchaseUnit;
selectedPosition = position;
shop.DisplayShop(teams[turnStage]);
}
break;
}
}
break;
case SelectionState.Action:
switch (tiles[position].Highlight)
{
case HighlightState.Selected:
case HighlightState.UnSelected:
selectedUnit = null;
DeselectTiles();
selectionState = SelectionState.Unit;
break;
case HighlightState.Move:
Vector2 distance = new Vector2(Mathf.Abs(position.x - selectedUnit.Position.x), Mathf.Abs(position.y - selectedUnit.Position.y));
if (distance.x < distance.y)
{
selectedUnit.currentMoveRange -= distance.x * 2 + (distance.y - distance.x);
}
else
{
selectedUnit.currentMoveRange -= distance.y * 2 + (distance.x - distance.y);
}
tiles[selectedUnit.Position].OccupyingUnit = null;
selectedUnit.Position = position;
tiles[selectedUnit.Position].OccupyingUnit = selectedUnit;
if (selectedUnit.Team == TeamType.Plants)
{
tiles[position].Terrain = TileState.Grass;
}
else
{
tiles[position].Terrain = TileState.Metal;
}
DeselectTiles();
selectedUnit.Select();
tiles[selectedUnit.Position].Highlight = HighlightState.Selected;
break;
case HighlightState.Attack:
selectionState = SelectionState.DisplayEnemy;
selectedEnemy = tiles[position].OccupyingUnit;
DeselectTiles();
tiles[selectedUnit.Position].Highlight = HighlightState.Selected;
tiles[position].Highlight = HighlightState.Attack;
attackButton.SetActive(true);
break;
}
break;
case SelectionState.DisplayEnemy:
if (!(position == selectedUnit.Position || position == selectedEnemy.Position))
{
selectionState = SelectionState.Action;
attackButton.SetActive(false);
selectedEnemy = null;
selectedUnit.Select();
}
break;
case SelectionState.PurchaseUnit:
DeselectTiles();
shop.HideShop();
selectionState = SelectionState.Unit;
break;
}
}
}