Green-Sky/tomato
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replace old bad prev/next code with way better code

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Green Sky 2024-02-29 00:19:55 +01:00
parent 6a6de77ae9
commit 93f60bd073
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2 changed files with 40 additions and 129 deletions
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165
src/fragment_store/message_fragment_store.cpp
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@ -52,6 +52,11 @@ namespace Message::Components {
bool insert(FragmentHandle frag);
bool erase(FragmentID frag);
// update? (just erase() + insert())
// uses range begin to go back in time
FragmentID prev(FragmentID frag) const;
// uses range end to go forward in time
FragmentID next(FragmentID frag) const;
};
// all LOADED message fragments
@ -695,14 +700,15 @@ float MessageFragmentStore::tick(float time_delta) {
}
}
auto frag_after = _fs.fragmentHandle(fragmentAfter(frag_newest));
const auto& cf = msg_reg->ctx().get<Message::Components::ContactFragments>();
auto frag_after = _fs.fragmentHandle(cf.next(frag_newest));
if (static_cast<bool>(frag_after) && !loaded_frags.contains(frag_after)) {
std::cout << "MFS: loading frag after newest\n";
loadFragment(*msg_reg, frag_after);
return 0.05f;
}
auto frag_before = _fs.fragmentHandle(fragmentBefore(frag_oldest));
auto frag_before = _fs.fragmentHandle(cf.prev(frag_oldest));
if (static_cast<bool>(frag_before) && !loaded_frags.contains(frag_before)) {
std::cout << "MFS: loading frag before oldest\n";
loadFragment(*msg_reg, frag_before);
@ -726,129 +732,6 @@ void MessageFragmentStore::triggerScan(void) {
_fs.scanStoragePath("test_message_store/");
}
FragmentID MessageFragmentStore::fragmentBefore(FragmentID fid) {
auto fh = _fs.fragmentHandle(fid);
if (!fh.all_of<FragComp::MessagesTSRange>()) {
return entt::null;
}
const auto& mtsrange = fh.get<FragComp::MessagesTSRange>();
const auto& m_c_id = fh.get<FragComp::MessagesContact>().id;
const auto& fuid = fh.get<FragComp::ID>();
FragmentHandle current;
auto mts_view = fh.registry()->view<FragComp::MessagesTSRange, FragComp::MessagesContact, FragComp::ID>();
for (const auto& [it_f, it_mtsrange, it_m_c_id, it_fuid] : mts_view.each()) {
// before means we compare end, so we dont jump over any
if (it_mtsrange.end > mtsrange.end) {
continue;
}
if (it_mtsrange.end == mtsrange.end) {
// equal ts -> fallback to id
if (!isLess(it_fuid.v, fuid.v)) {
// we dont "care" about equality here, since that *should* never happen
continue;
}
}
// now we check contact (might be less cheap than range check)
if (it_m_c_id.id != m_c_id) {
continue;
}
// here we know that "it" is before
// now we check for the largest, so the closest
if (!static_cast<bool>(current)) {
current = {*fh.registry(), it_f};
continue;
}
const auto& curr_mtsrange = fh.get<FragComp::MessagesTSRange>();
if (it_mtsrange.end < curr_mtsrange.end) {
continue; // it is older than current selection
}
if (it_mtsrange.end == curr_mtsrange.end) {
const auto& curr_fuid = fh.get<FragComp::ID>();
// it needs to be larger to be considered (ignoring equality again)
if (isLess(it_fuid.v, curr_fuid.v)) {
continue;
}
}
// new best fit
current = {*fh.registry(), it_f};
}
return current;
}
FragmentID MessageFragmentStore::fragmentAfter(FragmentID fid) {
auto fh = _fs.fragmentHandle(fid);
if (!fh.all_of<FragComp::MessagesTSRange>()) {
return entt::null;
}
const auto& mtsrange = fh.get<FragComp::MessagesTSRange>();
const auto& m_c_id = fh.get<FragComp::MessagesContact>().id;
const auto& fuid = fh.get<FragComp::ID>();
FragmentHandle current;
auto mts_view = fh.registry()->view<FragComp::MessagesTSRange, FragComp::MessagesContact, FragComp::ID>();
for (const auto& [it_f, it_mtsrange, it_m_c_id, it_fuid] : mts_view.each()) {
// after means we compare begin
if (it_mtsrange.begin < mtsrange.begin) {
continue;
}
if (it_mtsrange.begin == mtsrange.begin) {
// equal ts -> fallback to id
// id needs to be larger
if (isLess(it_fuid.v, fuid.v)) {
// we dont "care" about equality here, since that *should* never happen
continue;
}
}
// now we check contact (might be less cheap than range check)
if (it_m_c_id.id != m_c_id) {
continue;
}
// here we know that "it" is after
// now we check for the smallest, so the closest
if (!static_cast<bool>(current)) {
current = {*fh.registry(), it_f};
continue;
}
const auto& curr_mtsrange = fh.get<FragComp::MessagesTSRange>();
if (it_mtsrange.begin > curr_mtsrange.begin) {
continue; // it is newer than current selection
}
if (it_mtsrange.begin == curr_mtsrange.begin) {
const auto& curr_fuid = fh.get<FragComp::ID>();
// it needs to be smaller to be considered (ignoring equality again)
if (!isLess(it_fuid.v, curr_fuid.v)) {
continue;
}
}
// new best fit
current = {*fh.registry(), it_f};
}
return current;
}
bool MessageFragmentStore::onEvent(const Message::Events::MessageConstruct& e) {
handleMessage(e.e);
return false;
@ -989,3 +872,35 @@ bool Message::Components::ContactFragments::erase(FragmentID frag) {
return true;
}
FragmentID Message::Components::ContactFragments::prev(FragmentID frag) const {
// uses range begin to go back in time
auto it = frags.find(frag);
if (it == frags.end()) {
return entt::null;
}
const auto src_i = it->second.i_b;
if (src_i > 0) {
return sorted_begin[src_i-1];
}
return entt::null;
}
FragmentID Message::Components::ContactFragments::next(FragmentID frag) const {
// uses range end to go forward in time
auto it = frags.find(frag);
if (it == frags.end()) {
return entt::null;
}
const auto src_i = it->second.i_e;
if (src_i+1 < sorted_end.size()) {
return sorted_end[src_i+1];
}
return entt::null;
}

4
src/fragment_store/message_fragment_store.hpp
View File

@ -116,10 +116,6 @@ class MessageFragmentStore : public RegistryMessageModelEventI, public FragmentS
void triggerScan(void);
// uses ts ranges and id to create strict ordering
FragmentID fragmentBefore(FragmentID fid);
FragmentID fragmentAfter(FragmentID fid);
protected: // rmm
bool onEvent(const Message::Events::MessageConstruct& e) override;
bool onEvent(const Message::Events::MessageUpdated& e) override;