mirror of
https://github.com/brmlab/brmlife.git
synced 2025-08-02 09:53:38 +02:00
91 lines
1.9 KiB
C++
91 lines
1.9 KiB
C++
#include <cstdlib>
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#include <cstdio>
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#include <ctime>
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#include <cstring>
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#include <iostream>
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#include <list>
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#include <fcntl.h>
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#include <netinet/in.h>
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#include <signal.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <unistd.h>
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#include "agent.h"
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#include "connection.h"
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#include "main.h"
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#include "map.h"
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int tick_id = 0;
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int
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main(int argc, char *argv[])
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{
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class map map(40, 20);
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srandom(time(NULL));
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int lfd = socket(AF_INET, SOCK_STREAM, 0);
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struct sockaddr_in sin;
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memset(&sin, 0, sizeof(sin));
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sin.sin_family = AF_INET;
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sin.sin_port = htons(27753);
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sin.sin_addr.s_addr = INADDR_ANY;
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int optval = 1;
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setsockopt(lfd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval));
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bind(lfd, (struct sockaddr *) &sin, sizeof(sin));
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listen(lfd, 10);
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signal(SIGPIPE, SIG_IGN);
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int flags = fcntl(lfd, F_GETFL, 0);
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fcntl(lfd, F_SETFL, flags | O_NONBLOCK);
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std::list<class agent *> agents;
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/* Main tick loop. */
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while (true) {
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std::cout << "tick " << tick_id << '\n';
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/* Drop disconnected agents. */
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for (std::list<class agent *>::iterator agent = agents.begin(); agent != agents.end(); agent++)
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{
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next_agent:
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if ((*agent)->conn && (*agent)->conn->error) {
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delete *agent;
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agent = agents.erase(agent);
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if (agent != agents.end())
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goto next_agent;
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}
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}
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/* Accept new agents. */
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int cfd = accept(lfd, NULL, NULL);
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if (cfd >= 0) {
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class connection *conn = new class connection(cfd);
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class tile *agentpos;
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do {
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agentpos = &map.tile_at(random() % map.w, random() % map.h);
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} while (agentpos->agent);
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agents.push_back(new class agent(0, *agentpos, conn));
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}
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/* Run on_tick everywhere. */
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map.on_tick();
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for (std::list<class agent *>::iterator agent = agents.begin(); agent != agents.end(); agent++)
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(*agent)->on_tick();
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/* Finish a tick. */
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map.print_map();
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std::cout << '\n';
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usleep(1000000);
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tick_id++;
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}
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return 0;
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}
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