capitalex revised this gist 1 month ago. Go to revision
1 file changed, 123 insertions
tictactoe.io(file created)
| @@ -0,0 +1,123 @@ | |||
| 1 | + | Cell := Object clone do ( | |
| 2 | + | state := nil | |
| 3 | + | occupy := method(player, | |
| 4 | + | state = player | |
| 5 | + | ) | |
| 6 | + | empty := method(state isNil) | |
| 7 | + | asString := method( | |
| 8 | + | if(state isNil, return "_") | |
| 9 | + | state | |
| 10 | + | ) | |
| 11 | + | ) | |
| 12 | + | ||
| 13 | + | Grid := Object clone do ( | |
| 14 | + | init := method( | |
| 15 | + | self grid := list( | |
| 16 | + | list(Cell clone, Cell clone, Cell clone), | |
| 17 | + | list(Cell clone, Cell clone, Cell clone), | |
| 18 | + | list(Cell clone, Cell clone, Cell clone) | |
| 19 | + | ) | |
| 20 | + | ) | |
| 21 | + | ||
| 22 | + | init | |
| 23 | + | asString := method( | |
| 24 | + | grid map (row, " " .. row join(" | ")) join("\n---+---+---\n") | |
| 25 | + | ) | |
| 26 | + | ||
| 27 | + | at := method(row, column, grid at(row) ?at(column)) | |
| 28 | + | ||
| 29 | + | isInBounds := method(row, column, at(row, column) isNil not) | |
| 30 | + | ||
| 31 | + | isEmpty := method(row, column, at(row, column) empty) | |
| 32 | + | ||
| 33 | + | occupy := method(row, column, who, at(row, column) occupy(who)) | |
| 34 | + | ||
| 35 | + | occupant := method(row, column, at(row, column) state) | |
| 36 | + | ||
| 37 | + | winnerInRow := method(row, | |
| 38 | + | if (occupant(row, 0) == occupant(row, 1) and occupant(row, 1) == occupant(row, 2)) \ | |
| 39 | + | then(return occupant(row, 0)) | |
| 40 | + | ) | |
| 41 | + | ||
| 42 | + | winnerInColumn := method(col, | |
| 43 | + | if (occupant(0, col) == occupant(1, col) and occupant(1, col) == occupant(2, col)) \ | |
| 44 | + | then(return occupant(0, col)) | |
| 45 | + | ) | |
| 46 | + | ||
| 47 | + | winnerDiagonal := method( | |
| 48 | + | if (occupant(0, 0) == occupant(1, 1) and occupant(1, 1) == occupant(2, 2)) \ | |
| 49 | + | then (return occupant(0, 0)) | |
| 50 | + | if (occupant(0, 2) == occupant(1, 1) and occupant(1, 1) == occupant(2, 0)) \ | |
| 51 | + | then(return occupant(0, 2)) | |
| 52 | + | ) | |
| 53 | + | winner := method( | |
| 54 | + | if(winnerInRow(0), return winnerInRow(0)) | |
| 55 | + | if(winnerInRow(1), return winnerInRow(1)) | |
| 56 | + | if(winnerInRow(2), return winnerInRow(2)) | |
| 57 | + | if(winnerInColumn(0), return winnerInColumn(0)) | |
| 58 | + | if(winnerInColumn(1), return winnerInColumn(1)) | |
| 59 | + | if(winnerInColumn(2), return winnerInColumn(2)) | |
| 60 | + | if(winnerDiagonal, return winnerDiagonal) | |
| 61 | + | ) | |
| 62 | + | ) | |
| 63 | + | ||
| 64 | + | Game := Object clone do ( | |
| 65 | + | init := method( | |
| 66 | + | self stdin := File standardInput | |
| 67 | + | self turn := "X" | |
| 68 | + | self turnsLeft := 9 | |
| 69 | + | self state := "playing" | |
| 70 | + | self grid := Grid clone | |
| 71 | + | ) | |
| 72 | + | ||
| 73 | + | init | |
| 74 | + | getWinner := method( | |
| 75 | + | if(grid winner, return grid winner) | |
| 76 | + | if(turnsLeft == 0, return "draw") | |
| 77 | + | nil | |
| 78 | + | ) | |
| 79 | + | ||
| 80 | + | changeTurn := method( | |
| 81 | + | turnsLeft = turnsLeft - 1 | |
| 82 | + | if(turn == "X") then(turn = "O") else(turn = "X") | |
| 83 | + | ) | |
| 84 | + | ||
| 85 | + | takeTurn := method( | |
| 86 | + | loop( | |
| 87 | + | println | |
| 88 | + | "enter turn for " print ; turn print ; " > " print | |
| 89 | + | position := stdin readLine split map(asNumber) | |
| 90 | + | ||
| 91 | + | (position size == 2) ifFalse ( | |
| 92 | + | "please enter two numbers seperated by spaces!" println | |
| 93 | + | continue | |
| 94 | + | ) | |
| 95 | + | ||
| 96 | + | row := position at(0) | |
| 97 | + | column := position at(1) | |
| 98 | + | ||
| 99 | + | grid isInBounds(row, column) ifFalse ( | |
| 100 | + | "space is out of bounds." println | |
| 101 | + | continue | |
| 102 | + | ) | |
| 103 | + | ||
| 104 | + | grid isEmpty(row, column) ifFalse ( | |
| 105 | + | "can't make move there." println | |
| 106 | + | continue | |
| 107 | + | ) | |
| 108 | + | ||
| 109 | + | grid occupy(row, column, turn) | |
| 110 | + | break | |
| 111 | + | ) | |
| 112 | + | changeTurn | |
| 113 | + | ) | |
| 114 | + | ||
| 115 | + | play := method( | |
| 116 | + | while(turnsLeft > 0 and getWinner isNil, takeTurn) | |
| 117 | + | println | |
| 118 | + | if(getWinner) then(("The winner is " .. getWinner) println) else("It's a draw" println) | |
| 119 | + | ||
| 120 | + | ) | |
| 121 | + | ||
| 122 | + | asString := method("Turn: " .. turn .. "\n" .. grid) | |
| 123 | + | ) | |
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