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-rw-r--r--build.zig57
-rw-r--r--src/brothers.zig46
-rw-r--r--src/game.zig22
-rw-r--r--src/main.zig80
-rw-r--r--src/playfield.zig38
5 files changed, 243 insertions, 0 deletions
diff --git a/build.zig b/build.zig
new file mode 100644
index 0000000..f350b17
--- /dev/null
+++ b/build.zig
@@ -0,0 +1,57 @@
+const std = @import("std");
+
+pub fn build(b: *std.build.Builder) void {
+ // Standard target options allows the person running `zig build` to choose
+ // what target to build for. Here we do not override the defaults, which
+ // means any target is allowed, and the default is native. Other options
+ // for restricting supported target set are available.
+ const target = b.standardTargetOptions(.{});
+
+ // Standard release options allow the person running `zig build` to select
+ // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
+ const mode = b.standardReleaseOptions();
+
+ const exe = b.addExecutable("grenade-brothers", "src/main.zig");
+ exe.addPackagePath("spoon", "lib/spoon/import.zig");
+ exe.setTarget(target);
+ exe.setBuildMode(mode);
+ exe.install();
+
+ const run_cmd = exe.run();
+ run_cmd.step.dependOn(b.getInstallStep());
+ if (b.args) |args| {
+ run_cmd.addArgs(args);
+ }
+
+ const coverage = b.option(bool, "test-coverage", "Generate test coverage") orelse false;
+
+ const run_step = b.step("run", "Run the app");
+ run_step.dependOn(&run_cmd.step);
+
+ const exe_tests = b.addTest("src/main.zig");
+ exe_tests.addPackagePath("spoon", "lib/spoon/import.zig");
+ exe_tests.setTarget(target);
+ exe_tests.setBuildMode(mode);
+
+ // Code coverage with kcov, we need an allocator for the setup
+ var general_purpose_allocator = std.heap.GeneralPurposeAllocator(.{}){};
+ defer _ = general_purpose_allocator.deinit();
+ const gpa = general_purpose_allocator.allocator();
+ // We want to exclude the $HOME/.zig path
+ const home = std.process.getEnvVarOwned(gpa, "HOME") catch "";
+ defer gpa.free(home);
+ const exclude = std.fmt.allocPrint(gpa, "--exclude-path={s}/.zig/,/usr", .{home}) catch "";
+ defer gpa.free(exclude);
+ if (coverage) {
+ exe_tests.setExecCmd(&[_]?[]const u8{
+ "kcov",
+ exclude,
+ //"--path-strip-level=3", // any kcov flags can be specified here
+ "kcov-output", // output dir for kcov
+ null, // to get zig to use the --test-cmd-bin flag
+ });
+ }
+
+ const test_step = b.step("test", "Run unit tests");
+ test_step.dependOn(&exe_tests.step);
+}
diff --git a/src/brothers.zig b/src/brothers.zig
new file mode 100644
index 0000000..b221ddc
--- /dev/null
+++ b/src/brothers.zig
@@ -0,0 +1,46 @@
+const std = @import("std");
+const spoon = @import("spoon");
+
+pub const Side = enum(u1) {
+ left,
+ right,
+};
+
+const startingX = [2]f64{ 15, 60 };
+const colors = [2]spoon.Attribute.Colour{ .blue, .red };
+
+pub const Brother = struct {
+ side: Side,
+ x: f64,
+ y: f64,
+ dx: f64,
+ dy: f64,
+ pub fn reset(self: *Brother, side: ?Side) void {
+ if (side) |s| {
+ self.side = s;
+ }
+ self.x = startingX[@enumToInt(self.side)];
+ self.y = 17;
+ self.dx = 0;
+ self.dy = 0;
+ }
+ pub fn draw(self: Brother, rc: *spoon.Term.RenderContext) !void {
+ try rc.setAttribute(.{ .fg = colors[@enumToInt(self.side)] });
+ var iter = std.mem.split(u8, brother, "\n");
+ var y = @floatToInt(usize, std.math.round(self.y));
+ var x = @floatToInt(usize, std.math.round(self.x));
+ while (iter.next()) |line| : (y += 1) {
+ try rc.moveCursorTo(y, x);
+ _ = try rc.buffer.writer().write(line);
+ }
+ }
+};
+
+const brother =
+ \\█ █
+ \\█ █ █
+ \\█████
+ \\█████
+ \\█ █
+ \\█ █
+;
diff --git a/src/game.zig b/src/game.zig
new file mode 100644
index 0000000..fc64001
--- /dev/null
+++ b/src/game.zig
@@ -0,0 +1,22 @@
+const std = @import("std");
+const spoon = @import("spoon");
+
+const brothers = @import("brothers.zig");
+const playfield = @import("playfield.zig");
+
+pub const Game = struct {
+ brothers: [2]brothers.Brother = undefined,
+ character: ?brothers.Side = undefined,
+ pub fn draw(self: Game, rc: *spoon.Term.RenderContext) !void {
+ try playfield.draw(rc);
+ try self.brothers[0].draw(rc);
+ try self.brothers[1].draw(rc);
+ }
+ pub fn reset(self: *Game) void {
+ self.resetRound();
+ }
+ pub fn resetRound(self: *Game) void {
+ self.brothers[0].reset(brothers.Side.left);
+ self.brothers[1].reset(brothers.Side.right);
+ }
+};
diff --git a/src/main.zig b/src/main.zig
new file mode 100644
index 0000000..cec8688
--- /dev/null
+++ b/src/main.zig
@@ -0,0 +1,80 @@
+const std = @import("std");
+const spoon = @import("spoon");
+
+const game = @import("game.zig");
+
+var term: spoon.Term = undefined;
+var done: bool = false;
+
+//----- Game State -----------------------------------------------------------
+var gs: game.Game = undefined;
+
+//----- Main -----------------------------------------------------------------
+pub fn main() !void {
+ try term.init();
+ defer term.deinit();
+
+ std.os.sigaction(std.os.SIG.WINCH, &std.os.Sigaction{
+ .handler = .{ .handler = handleSigWinch },
+ .mask = std.os.empty_sigset,
+ .flags = 0,
+ }, null);
+
+ var fds: [1]std.os.pollfd = undefined;
+ fds[0] = .{
+ .fd = term.tty.handle,
+ .events = std.os.POLL.IN,
+ .revents = undefined,
+ };
+
+ try term.uncook(.{});
+ defer term.cook() catch {};
+
+ try term.fetchSize();
+ try term.setWindowTitle("Grenade Brothers", .{});
+
+ gs.reset();
+ try renderAll();
+
+ var buf: [16]u8 = undefined;
+ while (!done) {
+ _ = try std.os.poll(&fds, 100);
+
+ const read = try term.readInput(&buf);
+ var it = spoon.inputParser(buf[0..read]);
+ while (it.next()) |in| {
+ if (in.eqlDescription("escape") or in.eqlDescription("q")) {
+ done = true;
+ break;
+ }
+ }
+ }
+}
+
+fn renderAll() !void {
+ var rc = try term.getRenderContext();
+ defer rc.done() catch {};
+
+ try rc.clear();
+
+ if (term.width < 80 or term.width < 24) {
+ try rc.setAttribute(.{ .fg = .red, .bold = true });
+ try rc.writeAllWrapping("Terminal too small!");
+ return;
+ }
+
+ try gs.draw(&rc);
+}
+
+fn handleSigWinch(_: c_int) callconv(.C) void {
+ term.fetchSize() catch {};
+ renderAll() catch {};
+}
+
+/// Custom panic handler, so that we can try to cook the terminal on a crash,
+/// as otherwise all messages will be mangled.
+pub fn panic(msg: []const u8, trace: ?*std.builtin.StackTrace) noreturn {
+ @setCold(true);
+ term.cook() catch {};
+ std.builtin.default_panic(msg, trace);
+}
diff --git a/src/playfield.zig b/src/playfield.zig
new file mode 100644
index 0000000..3878323
--- /dev/null
+++ b/src/playfield.zig
@@ -0,0 +1,38 @@
+const std = @import("std");
+const spoon = @import("spoon");
+
+pub fn draw(rc: *spoon.Term.RenderContext) !void {
+ var iter = std.mem.split(u8, field, "\n");
+ var y: usize = 0;
+ while (iter.next()) |line| : (y += 1) {
+ try rc.moveCursorTo(y, 0);
+ _ = try rc.buffer.writer().write(line);
+ }
+}
+
+const field =
+ \\████████████████████████████████████████████████████████████████████████████████
+ \\█ ██ █
+ \\████████████████████████████████████████████████████████████████████████████████
+ \\█ █
+ \\█ █
+ \\█ █
+ \\█ █
+ \\█ █
+ \\█ █
+ \\█ █
+ \\█ █
+ \\█ █
+ \\█ █
+ \\█ ██ █
+ \\█ ██ █
+ \\█ ██ █
+ \\█ ██ █
+ \\█ ██ █
+ \\█ ██ █
+ \\█ ██ █
+ \\█ ██ █
+ \\█ ██ █
+ \\█ ██ █
+ \\████████████████████████████████████████████████████████████████████████████████
+;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 02:33:04 +0000