Anonymous user
Remote agent/Simulation/C: Difference between revisions
bug fix
m (formatting) |
(bug fix) |
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Line 145:
#include <err.h>
#include "common.c"
typedef struct task_node_t {
int x, y;
struct task_node_t *prev, *sibling, *chain;
} task_node_t, *task;
task pool = 0, used = 0;
task find_place_to_go(byte **f);
Line 165:
return used;
}
void remove_tasks()
{
Line 176:
}
}
int w, h;
int do_client_stuff(int);
int main(int c, char *v[])
{
Line 185:
struct sockaddr_in peer;
struct hostent *server;
if (c < 3) err(1, "Usage: %s host port\n", v[0]);
port = atoi(v[2]);
if (port <= 0) err(1, "bad port: %d\n", port);
server = gethostbyname(v[1]);
if (!server) err(1, "Unknown server %s", v[1]);
if ((sfd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
err(1, "Can't open socket");
memset(&peer, 0, sizeof(peer));
peer.sin_family = AF_INET;
memcpy(
peer.sin_port = htons(port);
if (connect(sfd, (struct sockaddr *)&peer, sizeof(peer)) < 0)
err(1, "Can't connect to %s port %d", v[1], port);
puts("\033[H\033[J");
do_client_stuff(sfd);
close(sfd);
return 0;
}
byte ** init_map()
{
Line 220:
return f;
}
byte **f;
int try_forward(int);
void say_and_listen(int, int, int*);
int do_client_stuff(int fd)
{
Line 230:
int response[MAX_CMD];
task tgt;
if (c != 'A') {
fprintf(stderr, "Bad handshake: %c\n", c);
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f = init_map();
c = 0;
while (c != -1) {
x = agent.x, y = agent.y;
show_field(f, w, h);
if (agent.ball == -1 && cell_ball(f, x, y) >= 0
&& cell_ball(f, x, y) != cell_color(f, x, y))
Line 252:
continue;
}
if (agent.ball == cell_color(f, x, y) && cell_ball(f, x, y) == -1) {
say_and_listen(fd, c_drop, response);
Line 261:
continue;
}
goto_place(fd, f, tgt = find_place_to_go(f));
continue;
Line 267:
return 0;
}
void expand_map()
{
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int dx, dy;
byte **nf;
switch(d) {
case 0: case 2: w2++; break;
default: h2++; break;
}
nf = byte_array(w2, h2);
FOR(i, h2) FOR(j, w2) nf[i][j] = unknown;
dx = agent.x == 0;
dy = agent.y == 0;
FOR(i, h) FOR(j, w) nf[i + dy][j + dx] = f[i][j];
if (!agent.x) agent.x = 1;
if (!agent.y) agent.y = 1;
w = w2, h = h2;
printf("expand: %d %d\n", w, h);
Line 295:
f = nf;
}
int try_forward(int fd)
{
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return 1;
}
void say_and_listen(int fd, int cmd, int *resp)
{
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}
}
int is_interesting(byte **f, task t)
{
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if ((f[y][x] & unknown))
return y != agent.y || x != agent.x;
c = cell_color(f, x, y);
b = cell_ball(f, x, y);
a = agent.ball;
if (a >= 0)
return a == c && b == -1;
else if (b >= 0 && b != c)
return 1;
return 0;
}
task find_place_to_go(byte **f)
{
Line 368:
current->x = agent.x, current->y = agent.y;
f[current->y][current->x] |= marked;
if (is_interesting(f, current)) return current;
while (current) {
while (current) {
Line 390:
next = 0;
}
puts("nowhere to go");
abort();
}
void goto_place(int fd, byte **f, task t)
{
Line 399 ⟶ 400:
usleep(50000);
t->prev = 0;
if (agent.x == t->x && agent.y == t->y) return;
while ( t->x != agent.x + dirs[agent.facing][0] ||
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