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Hit the zone cache first so we're not hitting the database every time someone attempts to zone

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This commit is contained in:
Akkadius 2020-07-18 13:16:27 -05:00
parent 30e0bbb912
commit 880b19cc7f
1 changed files with 33 additions and 9 deletions
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42
zone/zoning.cpp
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@ -291,23 +291,47 @@ void Client::Handle_OP_ZoneChange(const EQApplicationPacket *app) {
* Expansion check
*/
if (content_service.GetCurrentExpansion() >= Expansion::Classic && !GetGM()) {
auto zones = ZoneRepository::GetWhere(
fmt::format(
"expansion <= {} AND short_name = '{}'",
(content_service.GetCurrentExpansion() + 1),
target_zone_name
)
);
/**
* Hit the zone cache first so we're not hitting the database every time someone attempts to zone
*/
bool meets_zone_expansion_check = false;
bool found_zone = false;
for (auto &z: zone_store.zones) {
if (z.short_name == target_zone_name && z.version == 0) {
found_zone = true;
if (z.expansion <= (content_service.GetCurrentExpansion() + 1)) {
meets_zone_expansion_check = true;
break;
}
}
}
/**
* If we fail to find a cached zone lookup because someone just so happened to change some data, second attempt
* In 99% of cases we would never get here and this would be fallback
*/
if (!found_zone) {
auto zones = ZoneRepository::GetWhere(
fmt::format(
"expansion <= {} AND short_name = '{}' and version = 0",
(content_service.GetCurrentExpansion() + 1),
target_zone_name
)
);
meets_zone_expansion_check = !zones.empty();
}
LogInfo(
"Checking zone request [{}] for expansion [{}] ({}) success [{}]",
target_zone_name,
(content_service.GetCurrentExpansion() + 1),
content_service.GetCurrentExpansionName(),
!zones.empty() ? "true" : "false"
meets_zone_expansion_check ? "true" : "false"
);
if (zones.empty()) {
if (!meets_zone_expansion_check) {
myerror = ZONE_ERROR_NOEXPANSION;
}
}