1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
/*
* 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();
}
}
|