Chat Lag Fix

// A simplified view of the code.
private static final long BLOCKLIST_REQUEST_COOLDOWN = 120;
private Instant nextRequest;
private final blockList Set<UUID>;
// This method is called when receiving a chat message
public boolean isBlockedPlayer(UUID playerID) {
// If we don't have the blocklist yet, fetch it
// Note that when there's an error, fetchBlockList returns null
//
if (this.blockList == null) {
this.blockList = fetchBlockList();
// If we still don't have it, assume the player is not blocked
if (this.blockList == null) {
return false;
}
}
return this.blockList.contains(playerID);
}
public Set<UUID> fetchBlockList() {
// Only check at least every 2 minutes.
// This is why the lagspike only occurs every 2 minutes or later
if (this.nextRequest == null || Instant.now().isAfter(this.nextRequest)) {
return null;
}
// Reset the 2 minute timer
this.nextRequest = Instant.now().plusSeconds(BLOCKLIST_REQUEST_COOLDOWN);
try {
// Make the HTTP request
BlockListResponse response = minecraftClient.get(routeBlocklist, BlockListResponse.class);
return response.getBlockedProfiles();
} catch (/* exception */) {
// If there's an error return null
return null;
}
}