From e19852c958838688481422ed3ddd953d2dcd4309 Mon Sep 17 00:00:00 2001
From: ubq323 <ubq323@ubq323.website>
Date: Mon, 15 Apr 2024 17:13:08 +0100
Subject: version check

---
 client/main.ha | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

(limited to 'client')

diff --git a/client/main.ha b/client/main.ha
index 04e6854..4c70892 100644
--- a/client/main.ha
+++ b/client/main.ha
@@ -1,13 +1,16 @@
 use fmt;
 use sdl2;
 use math;
+use io;
 use net;
 use net::dial;
+use unix::poll;
+
 use drawing;
 use drawing::{pos,CHUNKSIZE};
 use client::paintui;
-use unix::poll;
 use packet_reader;
+use packet_reader::{VERSION};
 
 def NCHUNKS = 16;
 
@@ -19,7 +22,7 @@ export fn main() void = {
 	sdl2::SDL_Init(sdl2::SDL_INIT_VIDEO)!;
 	defer sdl2::SDL_Quit();
 
-	const win = sdl2::SDL_CreateWindow("hi", sdl2::SDL_WINDOWPOS_UNDEFINED, sdl2::SDL_WINDOWPOS_UNDEFINED, 640, 480, sdl2::SDL_WindowFlags::NONE)!;
+	const win = sdl2::SDL_CreateWindow("garden", sdl2::SDL_WINDOWPOS_UNDEFINED, sdl2::SDL_WINDOWPOS_UNDEFINED, 640, 480, sdl2::SDL_WindowFlags::NONE)!;
 	defer sdl2::SDL_DestroyWindow(win);
 
 	const wsurf = sdl2::SDL_GetWindowSurface(win)!;
@@ -42,11 +45,21 @@ export fn main() void = {
 	};
 
 	// connect to server
-	const conn = match(dial::dial("tcp","localhost","41460")) {
+	const conn = match(dial::dial("tcp","ubq323.website","41460")) {
 		case let c: net::socket => yield c;
 		case let err: net::error =>
 			fmt::fatal("couldn't connect to server:",net::strerror(err));
 	};
+
+	let byte = [0u8];
+	match (io::read(conn, byte)) {
+	case let e: io::error =>
+		fmt::fatal("error with server handshake",io::strerror(e));
+	case =>	if (byte[0] != VERSION)
+		fmt::fatalf("invalid version: got {}, expecting {}",
+			byte[0], VERSION);
+	};
+				
 	
 	const pollfd: [1]poll::pollfd = [ poll::pollfd {
 		fd = conn, events=poll::event::POLLIN, revents = 0
@@ -150,7 +163,7 @@ export fn main() void = {
 		};
 
 
-		drawing::clear_picture(&win_pic, 0xff0000);
+		drawing::clear_picture(&win_pic, 0xdddddd);
 
 		for (let i = 0z; i < len(pictures); i += 1) {
 			const psurf = picture_surfaces[i];
-- 
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