alexander.nutz/barecopper
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ensure mob uuid uniqueness on login

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Closes #51
This commit is contained in:
p2r3
2025-09-14 01:30:42 +03:00
parent 61eb38a83d
commit e81e75a6d7
1 changed files with 9 additions and 3 deletions
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12
src/main.c
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@@ -135,13 +135,19 @@ void handlePacket (int client_fd, int length, int packet_id, int state) {
sc_spawnEntityPlayer(client_fd, player_data[i]); sc_spawnEntityPlayer(client_fd, player_data[i]);
} }
// Send information about all other entities (mobs) // Send information about all other entities (mobs):
// For more info on the arguments, see the spawnMob function // Use a random number for the first half of the UUID
uint8_t uuid[16];
uint32_t r = fast_rand();
memcpy(uuid, &r, 4);
// Send allocated living mobs, use ID for second half of UUID
for (int i = 0; i < MAX_MOBS; i ++) { for (int i = 0; i < MAX_MOBS; i ++) {
if (mob_data[i].type == 0) continue; if (mob_data[i].type == 0) continue;
if ((mob_data[i].data & 31) == 0) continue; if ((mob_data[i].data & 31) == 0) continue;
memcpy(uuid + 4, &i, 4);
// For more info on the arguments here, see the spawnMob function
sc_spawnEntity( sc_spawnEntity(
client_fd, -2 - i, recv_buffer, client_fd, -2 - i, uuid,
mob_data[i].type, mob_data[i].x, mob_data[i].y, mob_data[i].z, mob_data[i].type, mob_data[i].x, mob_data[i].y, mob_data[i].z,
0, 0 0, 0
); );