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#if 0
exec cc -Wall -Wextra -pedantic $@ -o help $0
#endif
/*
* Copyright (c) 2017, Curtis McEnroe <curtis@cmcenroe.me>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <err.h>
#include <stdint.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sysexits.h>
#include <unistd.h>
#include "torus.h"
static int client;
static void clientMessage(const struct ClientMessage *msg) {
ssize_t len = send(client, msg, sizeof(*msg), 0);
if (len < 0) err(EX_IOERR, "send");
}
static void clientMove(int8_t dx, int8_t dy) {
struct ClientMessage msg = {
.type = CLIENT_MOVE,
.data.m = { .dx = dx, .dy = dy },
};
clientMessage(&msg);
}
static void clientPut(uint8_t color, char cell) {
struct ClientMessage msg = {
.type = CLIENT_PUT,
.data.p = { .color = color, .cell = cell },
};
clientMessage(&msg);
}
#define DELAY (50000)
#define R (COLOR_RED)
#define G (COLOR_GREEN)
#define Y (COLOR_YELLOW)
#define B (COLOR_BLUE)
#define M (COLOR_MAGENTA)
#define C (COLOR_CYAN)
#define W (COLOR_WHITE)
#define I (COLOR_BRIGHT | COLOR_WHITE)
static void h(void) { clientMove(-1, 0); usleep(DELAY); }
static void j(void) { clientMove( 0, 1); usleep(DELAY); }
static void k(void) { clientMove( 0, -1); usleep(DELAY); }
static void l(void) { clientMove( 1, 0); usleep(DELAY); }
static void y(void) { clientMove(-1, -1); usleep(DELAY); }
static void u(void) { clientMove( 1, -1); usleep(DELAY); }
static void b(void) { clientMove(-1, 1); usleep(DELAY); }
static void n(void) { clientMove( 1, 1); usleep(DELAY); }
static void p(uint8_t color, char cell) {
clientPut(color, cell);
usleep(DELAY);
}
static uint8_t len;
static void s(uint8_t color, const char *str) {
for (; *str; ++len, ++str) {
clientPut(color, *str);
clientMove(1, 0);
usleep(DELAY);
}
}
static void r(void) {
clientMove(-len, 1);
usleep(DELAY);
len = 0;
}
int main() {
client = socket(PF_LOCAL, SOCK_STREAM, 0);
if (client < 0) err(EX_OSERR, "socket");
struct sockaddr_un addr = {
.sun_family = AF_LOCAL,
.sun_path = "torus.sock",
};
int error = connect(client, (struct sockaddr *)&addr, sizeof(addr));
if (error) err(EX_IOERR, "torus.sock");
pid_t pid = fork();
if (pid < 0) err(EX_OSERR, "fork");
if (!pid) {
for (;;) {
char buf[4096];
ssize_t len = recv(client, buf, sizeof(buf), 0);
if (len < 0) err(EX_IOERR, "recv");
if (!len) return EX_OK;
}
}
clientMove(-CELL_INIT_X, -CELL_INIT_Y);
clientMove(28, 0);
for (;;) {
for (int i = 0; i < 10; ++i) {
clientMove(0, 1);
usleep(DELAY / 5);
}
for (int i = 0; i < 11; ++i) {
for (int j = 0; j < 28; ++j) {
clientPut(W, ' ');
if (i % 2) clientMove(1, 0);
else clientMove(-1, 0);
usleep(DELAY / 5);
}
clientPut(W, ' ');
if (i != 10) clientMove(0, -1);
usleep(DELAY / 5);
}
j(); l(); l();
s(W, "Welcome to "); s(I, "ascii.town"); s(W, "!"); r();
r(); r();
n(); n(); s(W, "o-"); s(I, "l");
h(); b(); p(W, '\\'); n(); p(I, 'n');
y(); h(); p(W, '|'); j(); p(I, 'j');
y(); p(W, '/'); b(); p(I, 'b');
k(); u(); p(W, '-'); h(); p(I, 'h');
u(); p(W, '\\'); y(); p(I, 'y');
n(); l(); p(W, '|'); k(); p(I, 'k');
n(); p(W, '/'); u(); p(I, 'u');
u(); s(W, " "); len = 0;
s(I, "q "); s(W, "quit"); r();
s(I, "i "); s(W, "insert"); r();
s(I, "r "); s(W, "replace"); r();
s(I, "R "); s(W, "draw"); r();
s(I, "~ "); s(W, "color"); r();
s(I, "` "); s(W, "pipette"); r();
s(I, "* "); s(W, "bright");
s(W, " "); len = 0;
clientPut(W, '7'); k();
clientPut(C, '6'); k();
clientPut(M, '5'); k();
clientPut(B, '4'); k();
clientPut(Y, '3'); k();
clientPut(G, '2'); k();
clientPut(R, '1'); k();
l(); n();
clientPut(R << 4, '!'); j();
clientPut(G << 4, '@'); j();
clientPut(Y << 4, '#'); j();
clientPut(B << 4, '$'); j();
clientPut(M << 4, '%'); j();
clientPut(C << 4, '^'); j();
clientPut(W << 4, '&'); j();
h(); k(); k(); k(); k(); k(); k(); k(); k(); k(); h();
sleep(30);
u(); l(); l(); l();
}
}
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