miguel.horta/openttd-cmclient
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Codechange: Split GoodsEntry cargo and flows data to unique_ptr. (#13058)

Browse Source 
This allows cargo packets and cargo flow data to be empty if not in use, which is the case for the majority of station goods entries, and data is allocated when needed.

This reduces the initial size of a Station from 9192 bytes to 2024 bytes (on 64 bit platforms), although an allocation of 120 bytes is made for each active cargo type at a station.

Based on similar changes in JGRPP.
This commit is contained in:
Peter Nelson
2025-01-02 20:48:23 +00:00
committed by GitHub
parent 810dc23215
commit 810e442203
19 changed files with 216 additions and 93 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/linkgraph/linkgraphjob.cpp
View File

@@ -122,6 +122,7 @@ LinkGraphJob::~LinkGraphJob()
LinkGraph *lg = LinkGraph::Get(ge.link_graph);
FlowStatMap &flows = from.flows;
FlowStatMap &geflows = ge.GetOrCreateData().flows;
for (const auto &edge : from.edges) {
if (edge.Flow() == 0) continue;
@@ -137,7 +138,7 @@ LinkGraphJob::~LinkGraphJob()
/* Delete old flows for source stations which have been deleted
* from the new flows. This avoids flow cycles between old and
* new flows. */
while (!erased.IsEmpty()) ge.flows.erase(erased.Pop());
while (!erased.IsEmpty()) geflows.erase(erased.Pop());
} else if ((*lg)[node_id][dest_id].last_unrestricted_update == EconomyTime::INVALID_DATE) {
/* Edge is fully restricted. */
flows.RestrictFlows(to);
@@ -148,7 +149,7 @@ LinkGraphJob::~LinkGraphJob()
* really delete them as we could then end up with unroutable cargo
* somewhere. Do delete them and also reroute relevant cargo if
* automatic distribution has been turned off for that cargo. */
for (FlowStatMap::iterator it(ge.flows.begin()); it != ge.flows.end();) {
for (FlowStatMap::iterator it(geflows.begin()); it != geflows.end();) {
FlowStatMap::iterator new_it = flows.find(it->first);
if (new_it == flows.end()) {
if (_settings_game.linkgraph.GetDistributionType(this->Cargo()) != DT_MANUAL) {
@@ -157,7 +158,7 @@ LinkGraphJob::~LinkGraphJob()
} else {
FlowStat shares(INVALID_STATION, 1);
it->second.SwapShares(shares);
ge.flows.erase(it++);
geflows.erase(it++);
for (FlowStat::SharesMap::const_iterator shares_it(shares.GetShares()->begin());
shares_it != shares.GetShares()->end(); ++shares_it) {
RerouteCargo(st, this->Cargo(), shares_it->second, st->index);
@@ -169,7 +170,8 @@ LinkGraphJob::~LinkGraphJob()
++it;
}
}
ge.flows.insert(flows.begin(), flows.end());
geflows.insert(flows.begin(), flows.end());
if (ge.GetData().IsEmpty()) ge.ClearData();
InvalidateWindowData(WC_STATION_VIEW, st->index, this->Cargo());
}
}