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make arcade picker

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Squibid 2025-12-25 08:12:34 -05:00
parent 1d9cb6a1f9
commit c701506d13
1 changed files with 92 additions and 5 deletions
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97
src/subcmds/arcade/arcade.zig
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@ -1,8 +1,95 @@
const std = @import("std");
const gpa = std.heap.page_allocator;
const Conway = @import("conway.zig");
const games = enum{ conway };
const games = enum(u16) {
@"Conways Game of Life",
};
fn ui(width: u32, height: u32, writer: *std.Io.Writer) !void {
var fd = [_]std.posix.pollfd{.{
.fd = std.posix.STDIN_FILENO,
.events = std.posix.POLL.IN,
.revents = 0
}};
// here we're disabling character echoing and newline requirements on input
const oldios = try std.posix.tcgetattr(std.posix.STDIN_FILENO);
defer std.posix.tcsetattr(std.posix.STDIN_FILENO, std.posix.TCSA.NOW, oldios) catch {
// oh well we've left the terminal in a shitty state, not much we can
// do to fix this.
};
var newios = oldios;
newios.lflag.ECHO = false;
newios.lflag.ICANON = false;
try std.posix.tcsetattr(std.posix.STDIN_FILENO, std.posix.TCSA.NOW, newios);
_ = try writer.write("\x1B[?25l"); // hide cursor
var running = true;
var cursor_y: i64 = 0;
while (running) {
try writer.print("\x1B[1;1H\x1B[2J", .{}); // clear
try writer.print("\x1B[{};{}H", .{(height - 5) / 2, 0}); // y, x
try writer.alignBuffer(" @@@@@@ @@@@@@@ @@@@@@@ @@@@@@ @@@@@@@ @@@@@@@@", width, .center, ' ');
try writer.alignBuffer("@@! @@@ @@! @@@ !@@ @@! @@@ @@! @@@ @@! ", width, .center, ' ');
try writer.alignBuffer("@!@!@!@! @!@!!@! !@! @!@!@!@! @!@ !@! @!!!:! ", width, .center, ' ');
try writer.alignBuffer("!!: !!! !!: :!! :!! !!: !!! !!: !!! !!: ", width, .center, ' ');
try writer.alignBuffer(" : : : : : : :: :: : : : : :: : : : :: :::", width, .center, ' ');
cursor_y = @intCast(std.math.clamp(cursor_y, 0, @typeInfo(games).@"enum".fields.len - 1));
inline for (@typeInfo(games).@"enum".fields, 0..) |f, i| {
try writer.print("\x1B[{};{}H", .{ // y, x
((height + i) / 2) + 3,
(width - f.name.len) / 2,
});
try writer.print("{s}{s}\x1B[0m\n", .{
if (i == cursor_y) "\x1B[47;30;1m" else "\x1B[40;37m",
f.name,
});
}
try writer.flush();
_ = try std.posix.poll(@constCast(&fd), -1);
var buf: [50]u8 = undefined;
_ = try std.fs.File.stdin().read(@constCast(&buf));
for (buf) |c| switch (c) {
'q' => {
running = false;
break;
},
'j' => cursor_y += 1,
'k' => cursor_y -= 1,
'g' => cursor_y = 1,
'G' => cursor_y = @intFromEnum(games.@"Conways Game of Life"),
' ' => {
// reset the terminal state for the game
try std.posix.tcsetattr(std.posix.STDIN_FILENO, std.posix.TCSA.NOW, oldios);
_ = try writer.write("\x1B[?25h"); // show cursor
defer std.posix.tcsetattr(std.posix.STDIN_FILENO, std.posix.TCSA.NOW, newios) catch {
// not much we can do
};
switch (cursor_y) {
@intFromEnum(games.@"Conways Game of Life") => try Conway.play(width, height, writer),
else => @panic("Game does not exist."),
}
_ = try writer.write("\x1B[?25l"); // hide cursor
try writer.flush();
},
else => break,
};
}
// Andrew kelly said to not defer writes cause we need to ensure that we
// flush properly. He's right.
_ = try writer.write("\x1B[?25h"); // show cursor
try writer.flush();
}
pub export fn arcade_subcmd(_: *anyopaque, argc: c_int, argv: [*c]u8) callconv(.c) void {
_ = argc;
@ -18,8 +105,8 @@ pub export fn arcade_subcmd(_: *anyopaque, argc: c_int, argv: [*c]u8) callconv(.
else => unreachable,
}
// const title = @embedFile("arcade.txt");
var buf: [4096]u8 = undefined;
const writer = std.fs.File.stdout().writer(&buf);
Conway.play(terminfo.col, terminfo.row, @constCast(&writer.interface)) catch unreachable;
const buf: []u8 = gpa.alloc(u8, terminfo.col * terminfo.row) catch @panic("oom");
const writer = std.fs.File.stdout().writer(buf);
ui(terminfo.col, terminfo.row, @constCast(&writer.interface)) catch unreachable;
}