Move renderer to its own module
This commit is contained in:
Logan Hunt
parent
a93119b250
commit
07eaad9b8d
@ -1,17 +1,7 @@
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defmodule Chessh.SSH.Client.Board do
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alias IO.ANSI
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require Logger
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alias Chessh.Utils
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@chess_board_height 8
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@chess_board_width 8
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@tile_width 7
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@tile_height 4
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@dark_piece_color ANSI.magenta()
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@light_piece_color ANSI.red()
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@from_select_background ANSI.green_background()
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@to_select_background ANSI.blue_background()
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alias Chessh.SSH.Client.Board.Renderer
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defmodule State do
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defstruct cursor: %{x: 7, y: 7},
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@ -22,6 +12,8 @@ defmodule Chessh.SSH.Client.Board do
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binbo_pid: nil,
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width: 0,
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height: 0
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# flipped: false
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end
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use Chessh.SSH.Client.Screen
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@ -38,9 +30,14 @@ defmodule Chessh.SSH.Client.Board do
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end
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def handle_info({:new_move, move}, %State{binbo_pid: binbo_pid, client_pid: client_pid} = state) do
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:binbo.move(binbo_pid, move)
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case :binbo.move(binbo_pid, move) do
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{:ok, :continue} ->
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send(client_pid, {:send_to_ssh, render_state(state)})
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_ ->
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nil
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end
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{:noreply, state}
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end
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@ -53,14 +50,15 @@ defmodule Chessh.SSH.Client.Board do
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game_id: game_id,
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cursor: %{x: cursor_x, y: cursor_y} = cursor,
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client_pid: client_pid
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# flipped: flipped
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} = state
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) do
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new_cursor =
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case action do
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:left -> %{y: cursor_y, x: Utils.wrap_around(cursor_x, -1, @chess_board_width)}
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:right -> %{y: cursor_y, x: Utils.wrap_around(cursor_x, 1, @chess_board_width)}
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:down -> %{y: Utils.wrap_around(cursor_y, 1, @chess_board_height), x: cursor_x}
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:up -> %{y: Utils.wrap_around(cursor_y, -1, @chess_board_height), x: cursor_x}
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:left -> %{y: cursor_y, x: Utils.wrap_around(cursor_x, -1, Renderer.chess_board_width())}
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:right -> %{y: cursor_y, x: Utils.wrap_around(cursor_x, 1, Renderer.chess_board_width())}
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:down -> %{y: Utils.wrap_around(cursor_y, 1, Renderer.chess_board_height()), x: cursor_x}
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:up -> %{y: Utils.wrap_around(cursor_y, -1, Renderer.chess_board_height()), x: cursor_x}
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_ -> cursor
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end
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@ -76,9 +74,10 @@ defmodule Chessh.SSH.Client.Board do
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{move_from, nil}
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end
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# TODO: Check move here, then publish new move, subscribers get from DB instead
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if move_from && move_to do
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attempted_move = "#{to_chess_coord(move_from)}#{to_chess_coord(move_to)}"
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Logger.debug("New move #{attempted_move}")
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attempted_move = "#{Renderer.to_chess_coord(move_from)}#{Renderer.to_chess_coord(move_to)}"
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:syn.publish(:games, {:game, game_id}, {:new_move, attempted_move})
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end
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@ -87,11 +86,12 @@ defmodule Chessh.SSH.Client.Board do
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| cursor: new_cursor,
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move_from: new_move_from,
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highlighted: %{
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new_move_from => @from_select_background,
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{new_cursor.y, new_cursor.x} => @to_select_background
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{new_cursor.y, new_cursor.x} => Renderer.to_select_background(),
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new_move_from => Renderer.from_select_background()
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},
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width: width,
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height: height
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# flipped: if(action == "f", do: !flipped, else: flipped)
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}
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send(client_pid, {:send_to_ssh, render_state(new_state)})
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@ -103,198 +103,13 @@ defmodule Chessh.SSH.Client.Board do
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%State{state | width: width, height: height}
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end
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defp render_state(%State{
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width: _width,
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height: _height,
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binbo_pid: binbo_pid,
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highlighted: highlighted
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}) do
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defp render_state(
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%State{
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binbo_pid: binbo_pid
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} = state
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) do
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{:ok, fen} = :binbo.get_fen(binbo_pid)
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board =
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draw_board(
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fen,
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{@tile_width, @tile_height},
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highlighted
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)
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[ANSI.home()] ++
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Enum.map(
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Enum.zip(1..length(board), board),
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fn {i, line} ->
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[ANSI.cursor(i, 0), line]
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end
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)
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end
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defp make_board({tile_width, tile_height}) do
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rows =
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Enum.map(0..(@chess_board_height - 1), fn row ->
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Enum.map(0..(@chess_board_width - 1), fn col ->
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if(tileIsLight(row, col), do: ' ', else: '▊')
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|> List.duplicate(tile_width)
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end)
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|> Enum.join("")
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end)
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Enum.flat_map(rows, fn row -> Enum.map(1..tile_height, fn _ -> row end) end)
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end
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defp to_chess_coord({y, x})
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when x >= 0 and x < @chess_board_width and y >= 0 and y < @chess_board_height do
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"#{List.to_string([?a + x])}#{@chess_board_height - y}"
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end
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defp tileIsLight(row, col) do
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rem(row, 2) == rem(col, 2)
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end
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defp skip_cols_or_place_piece_reduce(char, {curr_column, data}, rowI) do
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case Integer.parse(char) do
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{skip, ""} ->
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{curr_column + skip, data}
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_ ->
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case piece_type(char) do
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nil ->
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{curr_column, data}
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type ->
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shade = if(char != String.capitalize(char), do: "light", else: "dark")
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{curr_column + 1,
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Map.put(
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data,
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"#{rowI}, #{curr_column}",
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{shade, type}
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)}
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end
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end
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end
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defp make_coordinate_to_piece_art_map(fen) do
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rows =
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String.split(fen, " ")
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|> List.first()
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|> String.split("/")
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Enum.zip(rows, 0..(length(rows) - 1))
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|> Enum.map(fn {row, rowI} ->
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{@chess_board_height, pieces_per_row} =
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Enum.reduce(
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String.split(row, ""),
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{0, %{}},
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&skip_cols_or_place_piece_reduce(&1, &2, rowI)
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)
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pieces_per_row
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end)
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|> Enum.reduce(%{}, fn pieces_map_for_this_row, acc ->
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Map.merge(acc, pieces_map_for_this_row)
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end)
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end
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defp draw_board(
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fen,
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{tile_width, tile_height} = tile_dims,
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highlights
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) do
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coordinate_to_piece = make_coordinate_to_piece_art_map(fen)
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board = make_board(tile_dims)
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Enum.zip_with([board, 0..(length(board) - 1)], fn [rowStr, row] ->
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curr_y = div(row, tile_height)
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%{row_chars: row_chars} =
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Enum.reduce(
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Enum.zip(String.graphemes(rowStr), 0..(String.length(rowStr) - 1)),
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%{current_color: ANSI.black(), row_chars: []},
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fn {char, col}, %{current_color: current_color, row_chars: row_chars} = row_state ->
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curr_x = div(col, tile_width)
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key = "#{curr_y}, #{curr_x}"
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relative_to_tile_col = col - curr_x * tile_width
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prefix =
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if relative_to_tile_col == 0 do
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case Map.fetch(highlights, {curr_y, curr_x}) do
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{:ok, color} ->
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color
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_ ->
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ANSI.default_background()
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end
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end
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case Map.fetch(coordinate_to_piece, key) do
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{:ok, {shade, type}} ->
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piece = @ascii_chars["pieces"][shade][type]
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piece_line = Enum.at(piece, row - curr_y * tile_height)
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piece_line_len = String.length(piece_line)
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pad_left_right = div(tile_width - piece_line_len, 2)
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if relative_to_tile_col >= pad_left_right &&
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relative_to_tile_col < tile_width - pad_left_right do
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piece_char = String.at(piece_line, relative_to_tile_col - pad_left_right)
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new_char = if piece_char == " ", do: char, else: piece_char
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color =
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if piece_char == " ",
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do: ANSI.default_color(),
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else: if(shade == "dark", do: @dark_piece_color, else: @light_piece_color)
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if color != current_color do
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%{
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row_state
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| current_color: color,
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row_chars: row_chars ++ [prefix, color, new_char]
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}
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else
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%{
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row_state
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| current_color: current_color,
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row_chars: row_chars ++ [prefix, new_char]
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}
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end
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else
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%{
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row_state
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| current_color: ANSI.default_color(),
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row_chars: row_chars ++ [prefix, ANSI.default_color(), char]
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}
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end
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_ ->
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if ANSI.white() != current_color do
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%{
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row_state
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| current_color: ANSI.default_color(),
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row_chars: row_chars ++ [prefix, ANSI.default_color(), char]
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}
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else
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%{
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row_state
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| row_chars: row_chars ++ [prefix, char]
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}
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end
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end
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end
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)
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row_chars
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|> Enum.join("")
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end)
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end
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defp piece_type(char) do
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case String.capitalize(char) do
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"P" -> "pawn"
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"N" -> "knight"
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"R" -> "rook"
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"B" -> "bishop"
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"K" -> "king"
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"Q" -> "queen"
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_ -> nil
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end
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Renderer.render_board_state(fen, state)
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end
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end
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248
lib/chessh/ssh/client/board/renderer.ex
Normal file
248
lib/chessh/ssh/client/board/renderer.ex
Normal file
@ -0,0 +1,248 @@
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defmodule Chessh.SSH.Client.Board.Renderer do
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alias IO.ANSI
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alias Chessh.Utils
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alias Chessh.SSH.Client.Board
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@chess_board_height 8
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@chess_board_width 8
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@tile_width 7
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@tile_height 4
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@from_select_background ANSI.green_background()
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@to_select_background ANSI.blue_background()
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@dark_piece_color ANSI.red()
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@light_piece_color ANSI.magenta()
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def chess_board_height(), do: @chess_board_height
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def chess_board_width(), do: @chess_board_width
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def to_select_background(), do: @to_select_background
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def from_select_background(), do: @from_select_background
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def to_chess_coord({y, x})
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when x >= 0 and x < @chess_board_width and y >= 0 and y < @chess_board_height do
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"#{List.to_string([?a + x])}#{@chess_board_height - y}"
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end
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def render_board_state(fen, %Board.State{
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width: _width,
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height: _height,
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highlighted: highlighted
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}) do
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board =
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draw_board(
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fen,
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{@tile_width, @tile_height},
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highlighted
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)
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[ANSI.home()] ++
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Enum.map(
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Enum.zip(1..length(board), board),
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fn {i, line} ->
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[ANSI.cursor(i, 0), line]
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end
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)
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end
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defp tileIsLight(row, col) do
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rem(row, 2) == rem(col, 2)
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end
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defp piece_type(char) do
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case String.capitalize(char) do
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"P" -> "pawn"
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"N" -> "knight"
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"R" -> "rook"
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"B" -> "bishop"
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"K" -> "king"
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"Q" -> "queen"
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_ -> nil
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end
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end
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defp skip_cols_or_place_piece_reduce(char, {curr_column, data}, rowI) do
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case Integer.parse(char) do
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{skip, ""} ->
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{curr_column + skip, data}
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_ ->
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case piece_type(char) do
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nil ->
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{curr_column, data}
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type ->
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shade = if(char == String.capitalize(char), do: "light", else: "dark")
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{curr_column + 1,
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Map.put(
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data,
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"#{rowI}, #{curr_column}",
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{shade, type}
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)}
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end
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end
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end
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defp make_coordinate_to_piece_art_map(fen) do
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rows =
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String.split(fen, " ")
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|> List.first()
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|> String.split("/")
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Enum.zip(rows, 0..(length(rows) - 1))
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|> Enum.map(fn {row, rowI} ->
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{@chess_board_height, pieces_per_row} =
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Enum.reduce(
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String.split(row, ""),
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{0, %{}},
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&skip_cols_or_place_piece_reduce(&1, &2, rowI)
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)
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pieces_per_row
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end)
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|> Enum.reduce(%{}, fn pieces_map_for_this_row, acc ->
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Map.merge(acc, pieces_map_for_this_row)
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end)
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end
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defp draw_board(
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fen,
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{tile_width, tile_height} = tile_dims,
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highlights
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) do
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coordinate_to_piece = make_coordinate_to_piece_art_map(fen)
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board = make_board(tile_dims)
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(Enum.zip_with([board, 0..(length(board) - 1)], fn [row_str, row] ->
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curr_y = div(row, tile_height)
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%{row_chars: row_chars} =
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Enum.reduce(
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Enum.zip(String.graphemes(row_str), 0..(String.length(row_str) - 1)),
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%{current_color: ANSI.black(), row_chars: []},
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fn {char, col}, %{current_color: current_color, row_chars: row_chars} = row_state ->
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curr_x = div(col, tile_width)
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key = "#{curr_y}, #{curr_x}"
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relative_to_tile_col = col - curr_x * tile_width
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prefix =
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if relative_to_tile_col == 0 do
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case Map.fetch(highlights, {curr_y, curr_x}) do
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{:ok, color} ->
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color
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_ ->
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ANSI.default_background()
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end
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end
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case Map.fetch(coordinate_to_piece, key) do
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{:ok, {shade, type}} ->
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piece = Utils.ascii_chars()["pieces"][shade][type]
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piece_line = Enum.at(piece, row - curr_y * tile_height)
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piece_line_len = String.length(piece_line)
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pad_left_right = div(tile_width - piece_line_len, 2)
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if relative_to_tile_col >= pad_left_right &&
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relative_to_tile_col < tile_width - pad_left_right do
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piece_char = String.at(piece_line, relative_to_tile_col - pad_left_right)
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new_char = if piece_char == " ", do: char, else: piece_char
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color =
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if piece_char == " ",
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do: ANSI.default_color(),
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else: if(shade == "dark", do: @dark_piece_color, else: @light_piece_color)
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if color != current_color do
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%{
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row_state
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| current_color: color,
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row_chars: row_chars ++ [prefix, color, new_char]
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}
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else
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%{
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row_state
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| current_color: current_color,
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row_chars: row_chars ++ [prefix, new_char]
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}
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end
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else
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%{
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row_state
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| current_color: ANSI.default_color(),
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row_chars: row_chars ++ [prefix, ANSI.default_color(), char]
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}
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end
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_ ->
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if ANSI.white() != current_color do
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%{
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row_state
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| current_color: ANSI.default_color(),
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row_chars: row_chars ++ [prefix, ANSI.default_color(), char]
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}
|
||||
else
|
||||
%{
|
||||
row_state
|
||||
| row_chars: row_chars ++ [prefix, char]
|
||||
}
|
||||
end
|
||||
end
|
||||
end
|
||||
)
|
||||
|
||||
curr_num = Utils.ascii_chars()["numbers"][Integer.to_string(curr_y)]
|
||||
curr_num_line_no = rem(row, @tile_height)
|
||||
|
||||
Enum.join(
|
||||
[
|
||||
String.pad_trailing(
|
||||
if(curr_num_line_no < length(curr_num),
|
||||
do: Enum.at(curr_num, curr_num_line_no),
|
||||
else: ""
|
||||
),
|
||||
@tile_width
|
||||
)
|
||||
] ++ row_chars,
|
||||
""
|
||||
)
|
||||
end) ++
|
||||
Enum.map(0..(@tile_height - 1), fn row ->
|
||||
String.duplicate(" ", @tile_width) <>
|
||||
(Enum.map(0..(@chess_board_width - 1), fn col ->
|
||||
curr_letter = Utils.ascii_chars()["letters"][List.to_string([?a + col])]
|
||||
curr_letter_line_no = rem(row, @tile_height)
|
||||
|
||||
curr_line =
|
||||
if(curr_letter_line_no < length(curr_letter),
|
||||
do: Enum.at(curr_letter, curr_letter_line_no),
|
||||
else: ""
|
||||
)
|
||||
|
||||
center_prefix_len = div(@tile_width - String.length(curr_line), 2)
|
||||
|
||||
String.pad_trailing(
|
||||
String.duplicate(" ", center_prefix_len) <> curr_line,
|
||||
@tile_width
|
||||
)
|
||||
end)
|
||||
|> Enum.join(""))
|
||||
end))
|
||||
|> Enum.map(fn row_line -> "#{ANSI.default_background()}#{row_line}" end)
|
||||
end
|
||||
|
||||
defp make_board({tile_width, tile_height}) do
|
||||
rows =
|
||||
Enum.map(0..(@chess_board_height - 1), fn row ->
|
||||
Enum.map(0..(@chess_board_width - 1), fn col ->
|
||||
if(tileIsLight(row, col), do: '▊', else: ' ')
|
||||
|> List.duplicate(tile_width)
|
||||
end)
|
||||
|> Enum.join("")
|
||||
end)
|
||||
|
||||
Enum.flat_map(rows, fn row -> Enum.map(1..tile_height, fn _ -> row end) end)
|
||||
end
|
||||
end
|
||||
@ -10,7 +10,7 @@ defmodule Chessh.SSH.Client do
|
||||
]
|
||||
|
||||
@min_terminal_width 64
|
||||
@min_terminal_height 31
|
||||
@min_terminal_height 38
|
||||
@max_terminal_width 220
|
||||
@max_terminal_height 100
|
||||
|
||||
|
||||
@ -65,7 +65,7 @@ defmodule Chessh.SSH.Client.Menu do
|
||||
) do
|
||||
logo_lines = String.split(@logo, "\n")
|
||||
{logo_width, logo_height} = Utils.text_dim(@logo)
|
||||
{y, x} = center_rect({logo_width, logo_height + length(logo_lines)}, {width, height})
|
||||
{y, x} = Utils.center_rect({logo_width, logo_height + length(logo_lines)}, {width, height})
|
||||
|
||||
[ANSI.clear()] ++
|
||||
Enum.flat_map(
|
||||
|
||||
@ -8,22 +8,6 @@ defmodule Chessh.SSH.Client.Screen do
|
||||
@behaviour Chessh.SSH.Client.Screen
|
||||
use GenServer
|
||||
|
||||
@clear_codes [
|
||||
IO.ANSI.clear(),
|
||||
IO.ANSI.home()
|
||||
]
|
||||
|
||||
@ascii_chars Application.compile_env!(:chessh, :ascii_chars_json_file)
|
||||
|> File.read!()
|
||||
|> Jason.decode!()
|
||||
|
||||
def center_rect({rect_width, rect_height}, {parent_width, parent_height}) do
|
||||
{
|
||||
div(parent_height - rect_height, 2),
|
||||
div(parent_width - rect_width, 2)
|
||||
}
|
||||
end
|
||||
|
||||
def handle_info({:render, width, height}, state),
|
||||
do: {:noreply, render(width, height, state)}
|
||||
|
||||
|
||||
@ -1,4 +1,23 @@
|
||||
defmodule Chessh.Utils do
|
||||
@ascii_chars Application.compile_env!(:chessh, :ascii_chars_json_file)
|
||||
|> File.read!()
|
||||
|> Jason.decode!()
|
||||
|
||||
@clear_codes [
|
||||
IO.ANSI.clear(),
|
||||
IO.ANSI.home()
|
||||
]
|
||||
|
||||
def ascii_chars(), do: @ascii_chars
|
||||
def clear_codes(), do: @clear_codes
|
||||
|
||||
def center_rect({rect_width, rect_height}, {parent_width, parent_height}) do
|
||||
{
|
||||
div(parent_height - rect_height, 2),
|
||||
div(parent_width - rect_width, 2)
|
||||
}
|
||||
end
|
||||
|
||||
def pid_to_str(pid) do
|
||||
pid
|
||||
|> :erlang.pid_to_list()
|
||||
|
||||
Loading…
Reference in New Issue
Block a user