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use fmt;
use sdl2;
use math;
use io;
use net;
use net::dial;
use unix::poll;
use drawing;
use drawing::{pos,CHUNKSIZE,picture};
use client::paintui;
use packet_reader;
use packet_reader::{VERSION};
def NSURFS = 16;
def WIN_H: i32 = 480;
def WIN_W: i32 = 640;
export fn main() void = {
// sdl init stuff
sdl2::SDL_Init(sdl2::SDL_INIT_VIDEO)!;
defer sdl2::SDL_Quit();
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)!;
let pmgr = picture_mgr { ... };
// 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));
};
// version check
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 | poll::event::POLLOUT,
...
}];
const packet_reader = packet_reader::new(conn);
// paintui state
let pstate = paintui::state { size_idx = 4, ... };
let camera_pos: pos = (25, 50);
let quit = false;
let n = 0;
let lasttime = sdl2::SDL_GetTicks();
// in SCREEN coords
let mouse_pos: pos = (0,0);
let mouse_down = false;
process_chunk_loadedness(&pmgr, &packet_reader, camera_pos);
const win_pic = picture_from_surface(wsurf, (9,9));
for (!quit) {
const did_move = do_movement(&camera_pos);
// let nvis = 0;
// for (const pic &.. pictures) {
// if (is_picture_visible(camera_pos, pic)) {
// fmt::printfln(" {} {}",pic.world_pos.0, pic.world_pos.1)!;
// nvis += 1;
// };
// };
// fmt::printfln("{} visible",nvis)!;
let ev = sdl2::event { ... };
for (sdl2::SDL_PollEvent(&ev)! == 1) switch (ev.event_type) {
case sdl2::SDL_EventType::QUIT => quit = true;
case sdl2::SDL_EventType::KEYDOWN =>
const keysym = ev.key.keysym.sym;
if (keysym == sdl2::SDL_Keycode::ESCAPE) quit = true
else if (sdl2::SDL_Keycode::ZERO <= keysym
&& keysym <= sdl2::SDL_Keycode::NINE)
paintui::key(&pstate, keysym - sdl2::SDL_Keycode::ZERO);
case sdl2::SDL_EventType::MOUSEBUTTONDOWN,
sdl2::SDL_EventType::MOUSEBUTTONUP =>
const edata = ev.button;
mouse_pos = (edata.x, edata.y);
if (edata.button == 1)
mouse_down = (edata.state == 1);
case sdl2::SDL_EventType::MOUSEMOTION =>
const edata = ev.motion;
mouse_pos = (edata.x, edata.y);
case sdl2::SDL_EventType::MOUSEWHEEL =>
const edata = ev.wheel;
paintui::mousewheel(&pstate, edata.y);
case => void;
};
const mouse_pos_world = (mouse_pos.0 + camera_pos.0, mouse_pos.1 + camera_pos.1);
match (paintui::tick(&pstate, mouse_pos_world, mouse_down)) {
case void => yield;
case let op: drawing::op =>
perform_drawop(&pmgr, op);
packet_reader::write(&packet_reader, op: packet_reader::packet_drawop)!;
};
if (did_move) {
packet_reader::write(&packet_reader, camera_pos: packet_reader::packet_position)!;
process_chunk_loadedness(&pmgr, &packet_reader, camera_pos);
};
const n = poll::poll(pollfd, poll::NONBLOCK)!;
if (n > 0) {
const should_read = 0 != pollfd[0].revents & poll::event::POLLIN;
const should_write = 0 != pollfd[0].revents & poll::event::POLLOUT;
packet_reader::service(&packet_reader, should_read, should_write)!;
for (true) match (packet_reader::read_next(&packet_reader)) {
case done => break;
case let e: packet_reader::error =>
fmt::fatalf("death: packet_reader: {}", e);
case let op: packet_reader::packet_drawop =>
perform_drawop(&pmgr, op);
case let packet: packet_reader::packet_sendchunk =>
enact_chunkdata(&pmgr, packet, camera_pos);
free(packet.chunk_data);
};
};
drawing::clear_picture(&win_pic, 0xdddddd);
for (const pic &.. pmgr.pictures)
render_picture(pic, wsurf, camera_pos);
drawing::circle_hollow(&win_pic, mouse_pos, paintui::sizes[pstate.size_idx]: i32, pstate.color);
sdl2::SDL_UpdateWindowSurface(win)!;
n += 1;
sdl2::SDL_Delay(1000/60);
};
};
fn picture_from_surface(surf: *sdl2::SDL_Surface, world_pos: pos) drawing::picture = drawing::picture {
w = surf.w: size,
h = surf.h: size,
d = (surf.pixels as *opaque: *[*]u32),
world_pos = world_pos,
};
fn render_picture(pic: *picture_c, winsurf: *sdl2::SDL_Surface, camera_pos: pos) void = {
sdl2::SDL_BlitSurface(pic.surface, null, winsurf, &sdl2::SDL_Rect{
x = pic.world_pos.0 - camera_pos.0, y = pic.world_pos.1 - camera_pos.1, ...
})!;
};
def SPEED = 17;
def DIAG_SPEED = 12; // thereabouts
// returned whether movement happened
fn do_movement(pos: *pos) bool = {
const kb = sdl2::SDL_GetKeyboardState();
let dx = 0;
let dy = 0;
if (kb[sdl2::SDL_Scancode::W]) dy -= 1;
if (kb[sdl2::SDL_Scancode::S]) dy += 1;
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;
};
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