alexander.nutz/barecopper
1
0
Fork 0
forked from EXTERNAL/bareiron
Code Pull Requests Activity

implement basic support for mobs

Browse Source
This commit is contained in:
p2r3
2025-08-22 02:29:59 +03:00
parent 5a0f8fd376
commit ca9edce43a
9 changed files with 205 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
src/main.c
View File

@@ -99,6 +99,17 @@ void handlePacket (int client_fd, int length, int packet_id) {
sc_spawnEntityPlayer(player_data[i].client_fd, *player);
}
// Send information about all other entities (mobs)
// For more info on the arguments, see the spawnMob function
for (int i = 0; i < MAX_MOBS; i ++) {
if (mob_data[i].type == 0) continue;
sc_spawnEntity(
client_fd, 65536 + i, recv_buffer,
mob_data[i].type, mob_data[i].x, mob_data[i].y, mob_data[i].z,
0, 0
);
}
return;
}
break;
@@ -255,6 +266,16 @@ void handlePacket (int client_fd, int length, int packet_id) {
clock_t start, end;
start = clock();
uint32_t r = fast_rand();
if ((r & 3) == 0) {
short mob_x = (_x + dx * VIEW_DISTANCE) * 16 + ((r >> 4) & 15);
short mob_z = (_z + dz * VIEW_DISTANCE) * 16 + ((r >> 8) & 15);
uint8_t mob_y = getHeightAt(mob_x, mob_z) + 1;
if (getBlockAt(mob_x, mob_y, mob_z) == B_air) {
spawnMob(95, mob_x, mob_y, mob_z);
}
}
while (dx != 0) {
sc_chunkDataAndUpdateLight(client_fd, _x + dx * VIEW_DISTANCE, _z);
count ++;
@@ -387,11 +408,8 @@ int main () {
int flags = fcntl(server_fd, F_GETFL, 0);
fcntl(server_fd, F_SETFL, flags | O_NONBLOCK);
// Track client keep-alives
struct timespec time_now;
struct timespec keepalive_last;
clock_gettime(CLOCK_REALTIME, &time_now);
clock_gettime(CLOCK_REALTIME, &keepalive_last);
// Track time of last server tick
int64_t last_tick_time = get_program_time();
/**
* Cycles through all connected clients, handling one packet at a time
@@ -421,28 +439,11 @@ int main () {
if (client_index == MAX_PLAYERS) client_index = 0;
if (clients[client_index] == -1) continue;
// Handle infrequent periodic events every few seconds
clock_gettime(CLOCK_REALTIME, &time_now);
time_t seconds_since_update = time_now.tv_sec - keepalive_last.tv_sec;
if (seconds_since_update > 10) {
// Send Keep Alive and Update Time packets to all in-game clients
world_time += 20 * seconds_since_update;
for (int i = 0; i < MAX_PLAYERS; i ++) {
if (clients[i] == -1) continue;
if (getClientState(clients[i]) != STATE_PLAY) continue;
sc_keepAlive(clients[i]);
sc_updateTime(clients[i], world_time);
}
// Reset keep-alive timer
clock_gettime(CLOCK_REALTIME, &keepalive_last);
/**
* If the RNG seed ever hits 0, it'll never generate anything
* else. This is because the fast_rand function uses a simple
* XORshift. This isn't a common concern, so we only check for
* this periodically. If it does become zero, we reset it to
* the world seed as a good-enough fallback.
*/
if (rng_seed == 0) rng_seed = world_seed;
// Handle periodic events (server ticks)
int64_t time_since_last_tick = get_program_time() - last_tick_time;
if (time_since_last_tick > TIME_BETWEEN_TICKS) {
handleServerTick(time_since_last_tick);
last_tick_time = get_program_time();
}
// Handle this individual client