aboutsummaryrefslogtreecommitdiff
path: root/mwe/ecs-homemade/inc/ComponentManager.hpp
diff options
context:
space:
mode:
authorLoek Le Blansch <loek@pipeframe.xyz>2024-10-18 14:56:05 +0200
committerLoek Le Blansch <loek@pipeframe.xyz>2024-10-18 14:56:05 +0200
commit0fdebc7d7a143ad2b9b5ed6a596bf4bb1f0f7d7f (patch)
tree7400cea54bc40b01f64cf91c26a4ae20980a64cc /mwe/ecs-homemade/inc/ComponentManager.hpp
parenta2c719948ff8af9abe267c4d1c9b16cd1e2fb317 (diff)
parent77555730e3ddb811b9ce8470659663e3f1573de2 (diff)
merge master into loek/scripts
Diffstat (limited to 'mwe/ecs-homemade/inc/ComponentManager.hpp')
-rw-r--r--mwe/ecs-homemade/inc/ComponentManager.hpp144
1 files changed, 76 insertions, 68 deletions
diff --git a/mwe/ecs-homemade/inc/ComponentManager.hpp b/mwe/ecs-homemade/inc/ComponentManager.hpp
index d6da8e8..92db1d4 100644
--- a/mwe/ecs-homemade/inc/ComponentManager.hpp
+++ b/mwe/ecs-homemade/inc/ComponentManager.hpp
@@ -1,121 +1,128 @@
template <typename T, typename... Args>
-void ComponentManager::AddComponent(std::uint32_t id, Args &&... args) {
- std::type_index type = typeid(
- T); //Determine the type of T (this is used as the key of the unordered_map<>)
-
- if (mComponents.find(type)
- == mComponents
- .end()) { //Check if this component type is already in the unordered_map<>
- mComponents[type] = std::vector<std::vector<std::unique_ptr<
- Component>>>(); //If not, create a new (empty) vector<> of vector<unique_ptr<Component>>
+T & ComponentManager::AddComponent(std::uint32_t id, Args &&... args) {
+ //Determine the type of T (this is used as the key of the unordered_map<>)
+ std::type_index type = typeid(T);
+
+ //Check if this component type is already in the unordered_map<>
+ if (mComponents.find(type) == mComponents.end()) {
+ //If not, create a new (empty) vector<> of vector<unique_ptr<Component>>
+ mComponents[type]
+ = std::vector<std::vector<std::unique_ptr<Component>>>();
}
- if (id
- >= mComponents[type]
- .size()) { //Resize the vector<> if the id is greater than the current size
- mComponents[type].resize(
- id
- + 1); //Initialize new slots to nullptr (resize does automatically init to nullptr)
+ //Resize the vector<> if the id is greater than the current size
+ if (id >= mComponents[type].size()) {
+ //Initialize new slots to nullptr (resize does automatically init to nullptr)
+ mComponents[type].resize(id + 1);
}
- mComponents[type][id].push_back(std::make_unique<T>(std::forward<Args>(
- args)...)); //Create a new component of type T using perfect forwarding and store its unique_ptr in the vector<>
+ //Create a new component of type T using perfect forwarding and store its unique_ptr in the vector<>
+ mComponents[type][id].push_back(
+ std::make_unique<T>(std::forward<Args>(args)...));
+
+ return static_cast<T &>(*mComponents[type][id].back().get());
}
template <typename T>
void ComponentManager::DeleteComponentsById(std::uint32_t id) {
- std::type_index type = typeid(
- T); //Determine the type of T (this is used as the key of the unordered_map<>)
+ //Determine the type of T (this is used as the key of the unordered_map<>)
+ std::type_index type = typeid(T);
- if (mComponents.find(type)
- != mComponents.end()) { //Find the type (in the unordered_map<>)
+ //Find the type (in the unordered_map<>)
+ if (mComponents.find(type) != mComponents.end()) {
+ //Get the correct vector<>
std::vector<std::vector<std::unique_ptr<Component>>> & componentArray
- = mComponents[type]; //Get the correct vector<>
+ = mComponents[type];
- if (id
- < componentArray
- .size()) { //Make sure that the id (that we are looking for) is within the boundaries of the vector<>
- componentArray[id]
- .clear(); //Clear the whole vector<> of this specific type and id
+ //Make sure that the id (that we are looking for) is within the boundaries of the vector<>
+ if (id < componentArray.size()) {
+ //Clear the whole vector<> of this specific type and id
+ componentArray[id].clear();
}
}
}
template <typename T>
void ComponentManager::DeleteComponents() {
- std::type_index type = typeid(
- T); //Determine the type of T (this is used as the key of the unordered_map<>)
+ //Determine the type of T (this is used as the key of the unordered_map<>)
+ std::type_index type = typeid(T);
- if (mComponents.find(type)
- != mComponents.end()) { //Find the type (in the unordered_map<>)
- mComponents[type]
- .clear(); //Clear the whole vector<> of this specific type
+ //Find the type (in the unordered_map<>)
+ if (mComponents.find(type) != mComponents.end()) {
+ //Clear the whole vector<> of this specific type
+ mComponents[type].clear();
}
}
template <typename T>
std::vector<std::reference_wrapper<T>>
ComponentManager::GetComponentsByID(std::uint32_t id) const {
- std::type_index type = typeid(
- T); //Determine the type of T (this is used as the key of the unordered_map<>)
+ //Determine the type of T (this is used as the key of the unordered_map<>)
+ std::type_index type = typeid(T);
- std::vector<std::reference_wrapper<T>>
- componentVector; //Create an empty vector<>
+ //Create an empty vector<>
+ std::vector<std::reference_wrapper<T>> componentVector;
- if (mComponents.find(type)
- != mComponents.end()) { //Find the type (in the unordered_map<>)
+ //Find the type (in the unordered_map<>)
+ if (mComponents.find(type) != mComponents.end()) {
+ //Get the correct vector<>
const std::vector<std::vector<std::unique_ptr<Component>>> &
componentArray
- = mComponents.at(type); //Get the correct vector<>
+ = mComponents.at(type);
- if (id
- < componentArray
- .size()) { //Make sure that the id (that we are looking for) is within the boundaries of the vector<>
+ //Make sure that the id (that we are looking for) is within the boundaries of the vector<>
+ if (id < componentArray.size()) {
+ //Loop trough the whole vector<>
for (const std::unique_ptr<Component> & componentPtr :
- componentArray[id]) { //Loop trough the whole vector<>
- T * castedComponent = static_cast<T *>(
- componentPtr.get()); //Cast the unique_ptr to a raw pointer
-
- if (castedComponent) { //Ensure that the cast was successful
- componentVector.push_back(
- *castedComponent); //Add the dereferenced raw pointer to the vector<>
+ componentArray[id]) {
+ //Cast the unique_ptr to a raw pointer
+ T * castedComponent = static_cast<T *>(componentPtr.get());
+
+ //Ensure that the cast was successful
+ if (castedComponent) {
+ //Add the dereferenced raw pointer to the vector<>
+ componentVector.push_back(*castedComponent);
}
}
}
}
- return componentVector; //Return the vector<>
+ //Return the vector<>
+ return componentVector;
}
template <typename T>
std::vector<std::reference_wrapper<T>>
ComponentManager::GetComponentsByType() const {
- std::type_index type = typeid(
- T); //Determine the type of T (this is used as the key of the unordered_map<>)
+ //Determine the type of T (this is used as the key of the unordered_map<>)
+ std::type_index type = typeid(T);
- std::vector<std::reference_wrapper<T>>
- componentVector; //Create an empty vector<>
+ //Create an empty vector<>
+ std::vector<std::reference_wrapper<T>> componentVector;
//std::uint32_t id = 0; //Set the id to 0 (the id will also be stored in the returned vector<>)
- if (mComponents.find(type)
- != mComponents.end()) { //Find the type (in the unordered_map<>)
+ //Find the type (in the unordered_map<>)
+ if (mComponents.find(type) != mComponents.end()) {
+ //Get the correct vector<>
const std::vector<std::vector<std::unique_ptr<Component>>> &
componentArray
- = mComponents.at(type); //Get the correct vector<>
+ = mComponents.at(type);
+ //Loop through the whole vector<>
for (const std::vector<std::unique_ptr<Component>> & component :
- componentArray) { //Loop through the whole vector<>
- for (const std::unique_ptr<Component> & componentPtr :
- component) { //Loop trough the whole vector<>
- T * castedComponent = static_cast<T *>(
- componentPtr.get()); //Cast the unique_ptr to a raw pointer
-
- if (castedComponent) { //Ensure that the cast was successful
- componentVector.emplace_back(std::ref(
- *castedComponent)); //Pair the dereferenced raw pointer and the id and add it to the vector<>
+ componentArray) {
+ //Loop trough the whole vector<>
+ for (const std::unique_ptr<Component> & componentPtr : component) {
+ //Cast the unique_ptr to a raw pointer
+ T * castedComponent = static_cast<T *>(componentPtr.get());
+
+ //Ensure that the cast was successful
+ if (castedComponent) {
+ //Pair the dereferenced raw pointer and the id and add it to the vector<>
+ componentVector.emplace_back(std::ref(*castedComponent));
}
}
@@ -123,5 +130,6 @@ ComponentManager::GetComponentsByType() const {
}
}
- return componentVector; //Return the vector<>
+ //Return the vector<>
+ return componentVector;
}