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generate more unique uuids for mobs

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p2r3
2025-08-29 23:44:29 +03:00
parent ba68f435b7
commit 5797e2f781
1 changed files with 7 additions and 1 deletions
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8
src/procedures.c
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@@ -1052,13 +1052,19 @@ void spawnMob (uint8_t type, short x, uint8_t y, short z, uint8_t health) {
mob_data[i].z = z; mob_data[i].z = z;
mob_data[i].data = health & 31; mob_data[i].data = health & 31;
// Forge a UUID from a random number and the mob's index
uint8_t uuid[16];
uint32_t r = fast_rand();
memcpy(uuid, &r, 4);
memcpy(uuid + 4, &i, 4);
// Broadcast entity creation to all players // Broadcast entity creation to all players
for (int j = 0; j < MAX_PLAYERS; j ++) { for (int j = 0; j < MAX_PLAYERS; j ++) {
if (player_data[j].client_fd == -1) continue; if (player_data[j].client_fd == -1) continue;
sc_spawnEntity( sc_spawnEntity(
player_data[j].client_fd, player_data[j].client_fd,
65536 + i, // Try to avoid conflict with client file descriptors 65536 + i, // Try to avoid conflict with client file descriptors
recv_buffer, // The UUID doesn't matter, feed it garbage uuid, // Use the UUID generated above
type, (double)x + 0.5f, y, (double)z + 0.5f, type, (double)x + 0.5f, y, (double)z + 0.5f,
// Face opposite of the player, as if looking at them when spawning // Face opposite of the player, as if looking at them when spawning
(player_data[j].yaw + 127) & 255, 0 (player_data[j].yaw + 127) & 255, 0