multiple chunks on server and unload not near players. just need client to req chunks now

1 files changed, 19 insertions, 6 deletions

diff --git a/client/main.ha b/client/main.ha
index e720b65..de6b2fd 100644
--- a/client/main.ha
+++ b/client/main.ha
@@ -4,12 +4,11 @@ use math;
 use net;
 use net::dial;
 use drawing;
-use drawing::{pos};
+use drawing::{pos,CHUNKSIZE};
 use client::paintui;
 use unix::poll;
 use packet_reader;
 
-def CHUNKSIZE = 512;
 def NCHUNKS = 16;
 
 def WIN_H: i32 = 480;
@@ -42,13 +41,19 @@ export fn main() void = {
 		drawing::outline_picture(p);
 	};
 
-
 	// connect to server
 	const conn = match(dial::dial("tcp","localhost","41460")) {
 		case let c: net::socket => yield c;
 		case let err: net::error =>
 			fmt::fatal("couldn't connect to server:",net::strerror(err));
 	};
+
+	for (let i = 0; i < 3; i += 1) {
+		packet_reader::send(conn, (
+			i*CHUNKSIZE,i*CHUNKSIZE
+		):packet_reader::packet_reqchunk)!;
+	};
+	
 	const pollfd: [1]poll::pollfd = [ poll::pollfd {
 		fd = conn, events=poll::event::POLLIN, revents = 0
 	}];
@@ -66,7 +71,7 @@ export fn main() void = {
 	let mouse_pos: pos = (0,0);
 	let mouse_down = false;
 	for (!quit) {
-		do_movement(&camera_pos);
+		const did_move = do_movement(&camera_pos);
 
 		// let nvis = 0;
 		// for (const pic &.. pictures) {
@@ -95,7 +100,6 @@ export fn main() void = {
 			case => void;
 		};
 
-
 		match (paintui::tick(&pstate, mouse_pos, mouse_down)) {
 		case void => yield;
 		case let op: drawing::op =>
@@ -103,6 +107,10 @@ export fn main() void = {
 			packet_reader::send(conn, op: packet_reader::packet_drawop)!;
 		};
 
+		if (did_move) {
+			packet_reader::send(conn, camera_pos: packet_reader::packet_position)!;
+		};
+
 		const n = poll::poll(pollfd, poll::NONBLOCK)!;
 		if (n > 0) {
 			fmt::println("data available")!;
@@ -155,7 +163,8 @@ fn render_picture(pic: *drawing::picture, surf: *sdl2::SDL_Surface, winsurf: *sd
 def SPEED = 17;
 def DIAG_SPEED = 12;  // thereabouts
 
-fn do_movement(pos: *pos) void = {
+// returned whether movement happened
+fn do_movement(pos: *pos) bool = {
 	const kb = sdl2::SDL_GetKeyboardState();
 	let dx = 0;
 	let dy = 0;
@@ -164,11 +173,15 @@ fn do_movement(pos: *pos) void = {
 	if (kb[sdl2::SDL_Scancode::A]) dx -= 1;
 	if (kb[sdl2::SDL_Scancode::D]) dx += 1;
 
+	const did_move = dx!=0 || dy!=0;
+
 	let speed = SPEED;
 	if (dx != 0 && dy != 0) speed = DIAG_SPEED;
 
 	pos.0 += dx * speed;
 	pos.1 += dy * speed;
+
+	return did_move;
 };
 
 fn is_picture_visible(camera_pos: pos, pic_pos: pos) bool = {