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single component registry::prepare with arguments (suitable for custom pools)

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This commit is contained in:
Michele Caini
2019-11-01 16:56:53 +01:00
parent 50af38b952
commit 0e352cb466
1 changed files with 10 additions and 8 deletions
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18
src/entt/entity/registry.hpp
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@@ -239,8 +239,8 @@ class basic_registry {
destroyed = Entity{entt};
}
template<typename Component>
const pool_type<Component> * assure() const {
template<typename Component, typename... Args>
const pool_type<Component> * assure(Args &&... args) const {
const auto ctype = to_integer(type<Component>());
pool_data *pdata = nullptr;
@@ -264,7 +264,7 @@ class basic_registry {
if(!pdata->pool) {
pdata->runtime_type = ctype;
pdata->pool = std::make_unique<pool_type<Component>>();
pdata->pool = std::make_unique<pool_type<Component>>(std::forward<Args>(args)...);
pdata->remove = [](sparse_set<Entity> &cpool, basic_registry &owner, const Entity entt) {
static_cast<pool_type<Component> &>(cpool).remove(owner, entt);
@@ -324,12 +324,14 @@ public:
}
/**
* @brief Prepares pools for the given types if required.
* @tparam Component Types of components for which to prepare pools.
* @brief Prepares a pool for the given type if required.
* @tparam Component Type of component for which to prepare a pool.
* @tparam Args Types of arguments to use to prepare the pool.
* @param args Parameters to use to initialize the pool.
*/
template<typename... Component>
void prepare() {
(assure<Component>(), ...);
template<typename Component, typename... Args>
void prepare(Args &&... args) {
assure<Component>(std::forward<Args>(args)...);
}
/**