//
//  LShape.swift
//  Privyet
//
//  Created by Amy Bowersox on 5/24/20.
//  Copyright © 2020 Erbosoft Metaverse Design Solutions. All rights reserved.
//

import Foundation
class LShape: Shape {
    /*
        Orientation 0:
        | 0*|   |
        | 1 |   |
        | 2 | 3 |
     
        Orientation 90:
        |   | * |   |
        | 2 | 1 | 0 |
        | 3 |   |   |
     
        Orientation 180:
        | 3 | 2*|   |
        |   | 1 |   |
        |   | 0 |   |
     
        Orientation 270:
        |   | * | 3 |
        | 0 | 1 | 2 |
     
        * marks the row/column indicator for the shape
     */
    // Pivots about block #1
    
    override var blockRowColumnPositions: [Orientation : Array<(columnDiff: Int, rowDiff: Int)>] {
        return [
            Orientation.Zero: [(0, 0), (0, 1), (0, 2), (1, 2)],
            Orientation.Ninety: [(1, 1), (0, 1), (-1, 1), (-1, 2)],
            Orientation.OneEighty: [(0, 2), (0, 1), (0, 0), (-1, 0)],
            Orientation.TwoSeventy: [(-1, 1), (0, 1), (1, 1), (1, 0)]
        ]
    }
    
    override var bottomBlocksForOrientations: [Orientation : Array<Block>] {
        return [
            Orientation.Zero:       [blocks[ThirdBlockIdx], blocks[FourthBlockIdx]],
            Orientation.Ninety:     [blocks[FirstBlockIdx], blocks[SecondBlockIdx], blocks[FourthBlockIdx]],
            Orientation.OneEighty:  [blocks[FirstBlockIdx], blocks[FourthBlockIdx]],
            Orientation.TwoSeventy: [blocks[FirstBlockIdx], blocks[SecondBlockIdx], blocks[ThirdBlockIdx]]
        ]
    }
}