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Add a new HashMap implementation

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Adds a new, cleaned up, HashMap implementation.

* Uses Robin Hood Hashing (https://en.wikipedia.org/wiki/Hash_table#Robin_Hood_hashing).
* Keeps elements in a double linked list for simpler, ordered, iteration.
* Allows keeping iterators for later use in removal (Unlike Map<>, it does not do much
  for performance vs keeping the key, but helps replace old code).
* Uses a more modern C++ iterator API, deprecates the old one.
* Supports custom allocator (in case there is a wish to use a paged one).

This class aims to unify all the associative template usage and replace it by this one:
* Map<> (whereas key order does not matter, which is 99% of cases)
* HashMap<>
* OrderedHashMap<>
* OAHashMap<>
This commit is contained in:
reduz 2022-05-08 10:09:19 +02:00 • committed by Rémi Verschelde
parent 9b7e16a6b8
commit 8b7c7f5a75
95 changed files with 1434 additions and 1874 deletions
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10
core/config/project_settings.cpp
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@ -1091,7 +1091,7 @@ bool ProjectSettings::has_custom_feature(const String &p_feature) const {
return custom_features.has(p_feature);
}
OrderedHashMap<StringName, ProjectSettings::AutoloadInfo> ProjectSettings::get_autoload_list() const {
const HashMap<StringName, ProjectSettings::AutoloadInfo> &ProjectSettings::get_autoload_list() const {
return autoloads;
}
@ -1135,13 +1135,13 @@ void ProjectSettings::_bind_methods() {
void ProjectSettings::_add_builtin_input_map() {
if (InputMap::get_singleton()) {
OrderedHashMap<String, List<Ref<InputEvent>>> builtins = InputMap::get_singleton()->get_builtins();
HashMap<String, List<Ref<InputEvent>>> builtins = InputMap::get_singleton()->get_builtins();
for (OrderedHashMap<String, List<Ref<InputEvent>>>::Element E = builtins.front(); E; E = E.next()) {
for (KeyValue<String, List<Ref<InputEvent>>> &E : builtins) {
Array events;
// Convert list of input events into array
for (List<Ref<InputEvent>>::Element *I = E.get().front(); I; I = I->next()) {
for (List<Ref<InputEvent>>::Element *I = E.value.front(); I; I = I->next()) {
events.push_back(I->get());
}
@ -1149,7 +1149,7 @@ void ProjectSettings::_add_builtin_input_map() {
action["deadzone"] = Variant(0.5f);
action["events"] = events;
String action_name = "input/" + E.key();
String action_name = "input/" + E.key;
GLOBAL_DEF(action_name, action);
input_presets.push_back(action_name);
}