From b951f4de71d47d17a22265b1ea336e67fedeba7a Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Sun, 14 Aug 2022 14:33:29 +0200
Subject: Wrote initial game objects

---
 src/main.zig | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 src/main.zig

(limited to 'src/main.zig')

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);
+}
-- 
cgit v1.2.3