(game "DuploHex"
    (players 2)
    (equipment {
        (board (hex Diamond 7))
        (piece "DoubleCounter" Each)
        (piece "Disc" Each 
            (move Step 
                (to if:(or 
                        (= (what at:(to)) (id "Ring1"))
                        (= (what at:(to)) (id "Ring2"))
                    )
                )
                (then (promote (last To) (piece "DoubleCounter") Mover))
            )
        )
        (piece "Ring" Each
            (move Step 
                (to if:(or 
                        (= (what at:(to)) (id "Disc1"))
                        (= (what at:(to)) (id "Disc2"))
                    )
                )
                (then (promote (last To) (piece "DoubleCounter") Mover))
            )
        )
        (hand Each size:2)
        
        (regions P1 {(sites Side NE) (sites Side SW) })
        (regions P2 {(sites Side NW) (sites Side SE) })
    })
    (rules
        (start {
            (place "Disc1" (handSite P1 0) count:25)
            (place "Ring1" (handSite P1 1) count:25)
            (place "Disc2" (handSite P2 0) count:25)
            (place "Ring2" (handSite P2 1) count:25)
        })
        phases:{
        (phase "Placement" (play (move (from (sites Hand P1)) (to (sites Empty)) (then (moveAgain)))) (nextPhase "Game"))
        (phase "Game"
            (play 
                (if (is Odd (count Moves))
                    (or
                        (move 
                            (from (handSite Mover 0))
                            (to (sites Empty))
                            (then (moveAgain))
                        )
                        (forEach Piece "Disc")
                    )
                    (or
                        (move 
                            (from (handSite Mover 1)) 
                            (to (sites Empty))
                        )
                        (forEach Piece "Ring")
                    )
                )
            )
        )
        }
        (end (if (is Connected Mover) (result Mover Win)))
    )
)

//------------------------------------------------------------------------------

(metadata 
    
    (info
        {
        (description "Variant of Hex that includes disc and rings.")
        (rules "White starts by placing one disc or ring on any cell of the board. 
            
            Then, each player in turn must perform two actions: 
            
            1. add one of her discs to an empty cell or move one of her discs on the board into any ring located in a neighbor cell, and 
            
            2. add one of her rings to an empty cell or move one of her rings on the board to a neighbor cell occupied by a disc. 
            
        The disc-ring pair (a disc inside a ring) cannot be modified for the rest of the game.")
        (id "1272")
        (source "<a href=\"https://www.nestorgames.com\" target=\"_blank\" class=\"style1\" style=\"color: #0000EE\" />nestorgames</a>")
        (version "1.3.13")
        (classification "board/space/connection")
        (author "José Manuel Astilleros García-Monge")
        (publisher "<a href=\"https://www.nestorgames.com\" target=\"_blank\" class=\"style1\" style=\"color: #0000EE\" />nestorgames</a> (used with permission)")
        (credit "Fabio Barbero")
        (date "2015")
        }
    )
    
    (graphics {
        (piece Families {"Defined" "Isometric"})
        (board Colour Phase0 (colour VeryLightGrey))
        (board Colour InnerEdges (colour LightGrey))
        (board Style ConnectiveGoal)
    })
    
    (ai
        "DuploHex_ai"
    )
)