feat: add web support; add keyboard support

build.zig

@@ -29,6 +29,19 @@ pub fn build(b: *std.Build) void {
     exe.root_module.addImport("seizer", seizer.module("seizer"));
     b.installArtifact(exe);
 
+    // additionally generate an HTML file with the wasm module embedded when we use the wasi target
+    if (target.result.os.tag == .wasi) {
+        exe.wasi_exec_model = .reactor;
+
+        const bundle_webpage_exe = seizer.artifact("bundle-webpage");
+
+        const bundle_webpage = b.addRunArtifact(bundle_webpage_exe);
+        bundle_webpage.addArtifactArg(exe);
+
+        const install_html = b.addInstallFile(bundle_webpage.captureStdOut(), "www/seizer-solitaire.html");
+        b.getInstallStep().dependOn(&install_html.step);
+    }
+
     const run_cmd = b.addRunArtifact(exe);
     run_cmd.step.dependOn(b.getInstallStep());
 

build.zig.zon

@@ -16,8 +16,8 @@
     // internet connectivity.
     .dependencies = .{
         .seizer = .{
-            .url = "https://github.com/leroycep/seizer/archive/d6bd2d96267e5eb39c40644e3f96b649be9075cc.tar.gz",
-            .hash = "1220d74e813694d19206bf5dd71134778da933912867cf2bc29698670d4692f8db9c",
+            .url = "https://github.com/leroycep/seizer/archive/c66b5e5f1148a1f6ce37560ed1b8bc883520541e.tar.gz",
+            .hash = "122051972ed81522b6d1a8e1306f0cd3848a81180781794dce80fefcf1e42dc00d30",
         },
     },
     .paths = .{

src/main.zig

@@ -31,8 +31,6 @@ const MENU_ITEMS = [_][]const u8{
     "Quit",
 };
 
-var app_data_dir: std.fs.Dir = undefined;
-var win_count_file: std.fs.File = undefined;
 var win_count: u32 = 0;
 var win_triggered: bool = false;
 
@@ -58,61 +56,109 @@ pub fn init(context: *seizer.Context) !void {
     try context.addButtonInput(.{
         .title = "move_up",
         .on_event = moveUp,
-        .default_bindings = &.{.dpup},
+        .default_bindings = &.{
+            .{ .gamepad = .dpup },
+            .{ .keyboard = .up },
+        },
     });
     try context.addButtonInput(.{
         .title = "move_down",
         .on_event = moveDown,
-        .default_bindings = &.{.dpdown},
+        .default_bindings = &.{
+            .{ .gamepad = .dpdown },
+            .{ .keyboard = .down },
+        },
     });
     try context.addButtonInput(.{
         .title = "move_left",
         .on_event = moveLeft,
-        .default_bindings = &.{.dpleft},
+        .default_bindings = &.{
+            .{ .gamepad = .dpleft },
+            .{ .keyboard = .left },
+        },
     });
     try context.addButtonInput(.{
         .title = "move_right",
         .on_event = moveRight,
-        .default_bindings = &.{.dpright},
+        .default_bindings = &.{
+            .{ .gamepad = .dpright },
+            .{ .keyboard = .right },
+        },
     });
     try context.addButtonInput(.{
         .title = "select_or_place",
         .on_event = doSelectOrPlace,
-        .default_bindings = &.{.a},
+        .default_bindings = &.{
+            .{ .gamepad = .a },
+            .{ .keyboard = .z },
+        },
     });
     try context.addButtonInput(.{
         .title = "deselect",
         .on_event = deselect,
-        .default_bindings = &.{.b},
+        .default_bindings = &.{
+            .{ .gamepad = .b },
+            .{ .keyboard = .x },
+        },
     });
     try context.addButtonInput(.{
         .title = "toggle_menu",
         .on_event = toggleMenu,
-        .default_bindings = &.{.start},
+        .default_bindings = &.{
+            .{ .gamepad = .start },
+        },
     });
     try context.addButtonInput(.{
         .title = "undo",
         .on_event = undo,
-        .default_bindings = &.{.x},
+        .default_bindings = &.{
+            .{ .gamepad = .x },
+        },
     });
 
-    const app_data_dir_path = try std.fs.getAppDataDir(gpa, "seizer-solitaire");
-    defer gpa.free(app_data_dir_path);
+    win_count = try loadWinCount(gpa);
+}
 
-    app_data_dir = try std.fs.cwd().makeOpenPath(app_data_dir_path, .{});
-    win_count_file = try app_data_dir.createFile("win_count.bin", .{ .read = true, .truncate = false });
+fn loadWinCount(allocator: std.mem.Allocator) !u32 {
+    if (builtin.target.os.tag == .wasi) return 0;
 
-    var win_count_buffer: [4]u8 = undefined;
-    const bytes_read = try win_count_file.preadAll(&win_count_buffer, 0);
-    if (bytes_read < win_count_buffer.len) {
-        win_count = 0;
-        std.mem.writeInt(u32, &win_count_buffer, win_count, .little);
-        try win_count_file.pwriteAll(&win_count_buffer, 0);
+    const app_data_dir_path = try std.fs.getAppDataDir(allocator, "seizer-solitaire");
+    defer allocator.free(app_data_dir_path);
+
+    var app_data_dir = try std.fs.cwd().makeOpenPath(app_data_dir_path, .{});
+    defer app_data_dir.close();
+
+    var win_count_file = try app_data_dir.createFile("win_count.bin", .{ .read = true, .truncate = false });
+    defer win_count_file.close();
+
+    var buffer: [4]u8 = undefined;
+    const bytes_read = try win_count_file.preadAll(&buffer, 0);
+    if (bytes_read < buffer.len) {
+        std.mem.writeInt(u32, &buffer, 0, .little);
+        try win_count_file.pwriteAll(&buffer, 0);
+        return 0;
     } else {
-        win_count = std.mem.readInt(u32, &win_count_buffer, .little);
+        return std.mem.readInt(u32, &buffer, .little);
     }
 }
 
+fn saveWinCount(allocator: std.mem.Allocator, count: u32) !void {
+    if (builtin.target.os.tag == .wasi) return;
+
+    const app_data_dir_path = try std.fs.getAppDataDir(allocator, "seizer-solitaire");
+    defer allocator.free(app_data_dir_path);
+
+    var app_data_dir = try std.fs.cwd().makeOpenPath(app_data_dir_path, .{});
+    defer app_data_dir.close();
+
+    var win_count_file = try app_data_dir.createFile("win_count.bin", .{ .read = true, .truncate = false });
+    defer win_count_file.close();
+
+    var buffer: [4]u8 = undefined;
+    std.mem.writeInt(u32, &buffer, count, .little);
+    try win_count_file.pwriteAll(&buffer, 0);
+}
+
 fn resetGame() !void {
     resetHistory();
     draw_pile.deinit(gpa);
@@ -180,9 +226,7 @@ fn render(window: seizer.Window) !void {
     if (haveWon() and !win_triggered) {
         win_count += 1;
 
-        var win_count_buffer: [4]u8 = undefined;
-        std.mem.writeInt(u32, &win_count_buffer, win_count, .little);
-        try win_count_file.pwriteAll(&win_count_buffer, 0);
+        try saveWinCount(gpa, win_count);
 
         resetHistory();
         win_triggered = true;
@@ -841,6 +885,7 @@ const DeckSprites = assets.DeckSprites;
 const Card = assets.Card;
 
 const assets = @import("./assets.zig");
+const builtin = @import("builtin");
 const seizer = @import("seizer");
 const gl = seizer.gl;
 const ecs = seizer.flecs;