From c39adf3040c3f2f7cfcab5ce5b7e39b815e8131d Mon Sep 17 00:00:00 2001 From: Max-001 <80035972+Max-001@users.noreply.github.com> Date: Sat, 5 Oct 2024 11:05:59 +0200 Subject: Setup ecs-memory-efficient --- mwe/ecs-memory-efficient/src/main.cpp | 108 ++++++++++++++++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 mwe/ecs-memory-efficient/src/main.cpp (limited to 'mwe/ecs-memory-efficient/src/main.cpp') diff --git a/mwe/ecs-memory-efficient/src/main.cpp b/mwe/ecs-memory-efficient/src/main.cpp new file mode 100644 index 0000000..9e8fbd5 --- /dev/null +++ b/mwe/ecs-memory-efficient/src/main.cpp @@ -0,0 +1,108 @@ +#include +#include +#include + +#include "ComponentManager.h" +#include "GameObjectMax.h" +#include "Components.h" + +int main() { + GameObject gameObect0(0, "Name: 0", "Tag: 0", 0); //Entity 0 + GameObject gameObect1(1, "Name: 1", "Tag: 1", 1); //Entity 1 + GameObject gameObect2(2, "Name: 2", "Tag: 2", 2); //Entity 2 + GameObject gameObect3(3, "Name: 3", "Tag: 3", 3); //Entity 3 + GameObject gameObect4(4, "Name: 4", "Tag: 4", 4); //Entity 4 + GameObject gameObect5(5, "Name: 5", "Tag: 5", 5); //Entity 5 + GameObject gameObect6(6, "Name: 6", "Tag: 6", 6); //Entity 6 + GameObject gameObect7(7, "Name: 7", "Tag: 7", 7); //Entity 7 + + gameObect0.AddComponent("C:/object0"); //Add a sprite to entity0 + gameObect0.AddComponent(1, 2, 3); //Also add a rigidbody to entity0 + gameObect0.AddComponent(3, 2, 1); //Add a second rigidbody to entity0 + + gameObect1.AddComponent(4, 5, 6); //Only add a rigidbody to entity1 + + gameObect2.AddComponent("C:/object2/1"); //Add four sprites to entity2 + gameObect2.AddComponent("C:/object2/2"); + gameObect2.AddComponent("C:/object2/3"); + gameObect2.AddComponent("C:/object2/4"); + gameObect2.AddComponent(10, 100, 500); //Add four rigidbodies to entity2 + gameObect2.AddComponent(10, 100, 501); + gameObect2.AddComponent(10, 100, 502); + gameObect2.AddComponent(10, 100, 500); + + //Add non components to entity3, entity4, entity5 and entity6 + + gameObect7.AddComponent("C:/object7"); //Add a sprite to entity 7 + gameObect7.AddComponent(30); //Add a colder to entity 7 + + //The entities are now initialized + //Now I will demonstrate some ways of retreiving/getting components + + std::cout << "Finding all sprites of entity 0" << std::endl; + std::vector> spriteOfEntity0 = ComponentManager::GetInstance().GetComponentsByID(gameObect0.mId); + for(Sprite& spriteEntity0 : spriteOfEntity0) { + std::cout << "Sprite of entity 0: " << spriteEntity0.mPath << std::endl; + } + std::cout << std::endl; + + std::cout << "Finding all rigidbodies of entity 0" << std::endl; + std::vector> rigidbodyOfEntity0 = ComponentManager::GetInstance().GetComponentsByID(gameObect0.mId); + for(Rigidbody& rigidbodyEntity0 : rigidbodyOfEntity0) { + std::cout << "Rigidbody of entity 0: " << rigidbodyEntity0.mMass << " " << rigidbodyEntity0.mGravityScale << " " << rigidbodyEntity0.mBodyType << std::endl; + + rigidbodyEntity0.mMass = 15; + } + std::cout << std::endl; + + std::cout << "Finding all coliders of entity 0" << std::endl; + std::vector> coliderOfEntity0 = ComponentManager::GetInstance().GetComponentsByID(gameObect0.mId); + for(Colider& coliderEntity0 : coliderOfEntity0) { + std::cout << "Colider of entity 0: " << coliderEntity0.mSize << std::endl; + } + std::cout << std::endl; + + std::cout << "Finding all sprites of entity 3" << std::endl; + std::vector> spriteOfEntity3 = ComponentManager::GetInstance().GetComponentsByID(gameObect3.mId); + for(Sprite& spriteEntity3 : spriteOfEntity3) { + std::cout << "Sprite of entity 3: " << spriteEntity3.mPath << std::endl; + } + std::cout << std::endl; + + std::cout << "Finding all rigidbodies of entity 3" << std::endl; + std::vector> rigidbodyOfEntity3 = ComponentManager::GetInstance().GetComponentsByID(gameObect3.mId); + for(Rigidbody& rigidbodyEntity3 : rigidbodyOfEntity3) { + std::cout << "Rigidbody of entity 3: " << rigidbodyEntity3.mMass << " " << rigidbodyEntity3.mGravityScale << " " << rigidbodyEntity3.mBodyType << std::endl; + } + std::cout << std::endl; + + std::cout << "Finding all sprites of all entities" << std::endl; + std::vector, std::uint32_t>> sprites = ComponentManager::GetInstance().GetComponentsByType(); + for(auto& [sprite, id] : sprites) { + std::cout << "Sprite of id: " << id << ": " << sprite.get().mPath << std::endl; + } + std::cout << std::endl; + + std::cout << "Finding all coliders of all entities" << std::endl; + std::vector, std::uint32_t>> coliders = ComponentManager::GetInstance().GetComponentsByType(); + for(auto& [colider, id] : coliders) { + std::cout << "Colder of id: " << id << ": " << colider.get().mSize << std::endl; + } + std::cout << std::endl; + + std::cout << "Finding all rigidbodies of all entities" << std::endl; + std::vector, std::uint32_t>> rigidBodies = ComponentManager::GetInstance().GetComponentsByType(); + for(auto& [rigidbody, id] : rigidBodies) { + std::cout << "Rigidbody of id: " << id << ": " << rigidbody.get().mMass << " " << rigidbody.get().mGravityScale << " " << rigidbody.get().mBodyType << std::endl; + + rigidbody.get().mMass = -1; + } + std::cout << std::endl; + + std::cout << "Finding all rigidbodies of all entities for the second time (after changing mMass to -1)" << std::endl; + std::vector, std::uint32_t>> rigidBodies2 = ComponentManager::GetInstance().GetComponentsByType(); + for(auto& [rigidbody2, id2] : rigidBodies2) { + std::cout << "Rigidbody of id: " << id2 << ": " << rigidbody2.get().mMass << " " << rigidbody2.get().mGravityScale << " " << rigidbody2.get().mBodyType << std::endl; + } + std::cout << std::endl; +} -- cgit v1.2.3 From c767ef1e3d1d78e50eb1b6d9824b1c8961d68524 Mon Sep 17 00:00:00 2001 From: Max-001 <80035972+Max-001@users.noreply.github.com> Date: Sat, 5 Oct 2024 12:07:18 +0200 Subject: First setup --- .vscode/settings.json | 6 +- mwe/ecs-memory-efficient/inc/ComponentManager.h | 38 +++----- mwe/ecs-memory-efficient/inc/ComponentManager.hpp | 93 ++---------------- mwe/ecs-memory-efficient/inc/ContiguousContainer.h | 34 +++++++ .../inc/ContiguousContainer.hpp | 84 ++++++++++++++++ mwe/ecs-memory-efficient/inc/GameObjectMax.h | 8 +- mwe/ecs-memory-efficient/inc/GameObjectMax.hpp | 16 +++- mwe/ecs-memory-efficient/src/ComponentManager.cpp | 16 ++-- mwe/ecs-memory-efficient/src/main.cpp | 106 +++++---------------- 9 files changed, 199 insertions(+), 202 deletions(-) create mode 100644 mwe/ecs-memory-efficient/inc/ContiguousContainer.h create mode 100644 mwe/ecs-memory-efficient/inc/ContiguousContainer.hpp (limited to 'mwe/ecs-memory-efficient/src/main.cpp') diff --git a/.vscode/settings.json b/.vscode/settings.json index 52c6107..27ae565 100644 --- a/.vscode/settings.json +++ b/.vscode/settings.json @@ -54,6 +54,10 @@ "cinttypes": "cpp", "typeindex": "cpp", "typeinfo": "cpp", - "variant": "cpp" + "variant": "cpp", + "chrono": "cpp", + "ratio": "cpp", + "iomanip": "cpp", + "sstream": "cpp" } } diff --git a/mwe/ecs-memory-efficient/inc/ComponentManager.h b/mwe/ecs-memory-efficient/inc/ComponentManager.h index 893aa56..066795a 100644 --- a/mwe/ecs-memory-efficient/inc/ComponentManager.h +++ b/mwe/ecs-memory-efficient/inc/ComponentManager.h @@ -1,12 +1,7 @@ #pragma once #include "Components.h" -#include -#include -#include -#include -#include -#include +#include "ContiguousContainer.h" class ComponentManager { public: @@ -17,32 +12,25 @@ public: ComponentManager& operator=(const ComponentManager&) = delete; //Singleton ComponentManager& operator=(ComponentManager&&) = delete; //Singleton - template - void AddComponent(std::uint32_t id, Args&&... args); //Add a component of a specific type - template - void DeleteComponentsById(std::uint32_t id); //Deletes all components of a specific type and id - template - void DeleteComponents(); //Deletes all components of a specific type - void DeleteAllComponentsOfId(std::uint32_t id); //Deletes all components of a specific id - void DeleteAllComponents(); //Deletes all components + template + void addSpriteComponent(Args&&... args); + template + void addRigidbodyComponent(Args&&... args); + template + void addColiderComponent(Args&&... args); - template - std::vector> GetComponentsByID(std::uint32_t id) const; //Get a vector<> of all components at specific type and id - template - std::vector, std::uint32_t>> GetComponentsByType() const; //Get a vector<> of all components of a specific type + std::vector> getAllSpriteReferences(); + std::vector> getAllRigidbodyReferences(); + std::vector> getAllColiderReferences(); private: static ComponentManager mInstance; //Singleton ComponentManager(); //Singleton - /* - * The std::unordered_map>>> below might seem a bit strange, let me explain this structure: - * The std::unordered_map<> has a key and value. The key is a std::type_index and the value is a std::vector. So, a new std::vector will be created for each new std::type_index. - * The first std::vector<> stores another vector<>. This first vector<> is to bind the entity's id to a component. - * The second std::vector<> stores unique_ptrs. Each component can be gathered via an unique_ptr. This second vector<> allows multiple components of the same std::type_index for one entity (id). - */ - std::unordered_map>>> mComponents; + ContiguousContainer mSpriteContainer; + ContiguousContainer mRigidbodyContainer; + ContiguousContainer mColiderContainer; }; #include "ComponentManager.hpp" diff --git a/mwe/ecs-memory-efficient/inc/ComponentManager.hpp b/mwe/ecs-memory-efficient/inc/ComponentManager.hpp index 53dfddd..1607c0c 100644 --- a/mwe/ecs-memory-efficient/inc/ComponentManager.hpp +++ b/mwe/ecs-memory-efficient/inc/ComponentManager.hpp @@ -1,88 +1,15 @@ - -template -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>>(); //If not, create a new (empty) vector<> of vector> - } - - 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) - } - - mComponents[type][id].push_back(std::make_unique(std::forward(args)...)); //Create a new component of type T using perfect forwarding and store its unique_ptr in the vector<> -} - -template -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<>) - - if (mComponents.find(type) != mComponents.end()) { //Find the type (in the unordered_map<>) - std::vector>>& componentArray = mComponents[type]; //Get the correct vector<> - - 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 - } - } -} - -template -void ComponentManager::DeleteComponents() { - 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()) { //Find the type (in the unordered_map<>) - mComponents[type].clear(); //Clear the whole vector<> of this specific type - } + +template +void ComponentManager::addSpriteComponent(Args&&... args) { + mSpriteContainer.pushBack(std::forward(args)...); } -template -std::vector> 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<>) - - std::vector> componentVector; //Create an empty vector<> - - if (mComponents.find(type) != mComponents.end()) { //Find the type (in the unordered_map<>) - - const std::vector>>& componentArray = mComponents.at(type); //Get the correct vector<> - - if (id < componentArray.size()) { //Make sure that the id (that we are looking for) is within the boundaries of the vector<> - for (const std::unique_ptr& componentPtr : componentArray[id]) { //Loop trough the whole vector<> - T* castedComponent = static_cast(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<> - } - } - } - } - - return componentVector; //Return the vector<> +template +void ComponentManager::addRigidbodyComponent(Args&&... args) { + mRigidbodyContainer.pushBack(std::forward(args)...); } -template -std::vector, std::uint32_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<>) - - std::vector, std::uint32_t>> componentVector; //Create an empty vector<> - 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<>) - - const std::vector>>& componentArray = mComponents.at(type); //Get the correct vector<> - - for (const std::vector>& component : componentArray) { //Loop through the whole vector<> - for (const std::unique_ptr& componentPtr : component) { //Loop trough the whole vector<> - T* castedComponent = static_cast(componentPtr.get()); //Cast the unique_ptr to a raw pointer - - if (castedComponent) { //Ensure that the cast was successful - componentVector.emplace_back(std::ref(*castedComponent), id); //Pair the dereferenced raw pointer and the id and add it to the vector<> - } - } - - ++id; //Increase the id (the id will also be stored in the returned vector<>) - } - } - - return componentVector; //Return the vector<> +template +void ComponentManager::addColiderComponent(Args&&... args){ + mColiderContainer.pushBack(std::forward(args)...); } diff --git a/mwe/ecs-memory-efficient/inc/ContiguousContainer.h b/mwe/ecs-memory-efficient/inc/ContiguousContainer.h new file mode 100644 index 0000000..dd0321e --- /dev/null +++ b/mwe/ecs-memory-efficient/inc/ContiguousContainer.h @@ -0,0 +1,34 @@ +#pragma once + +#include // For malloc and free +#include // For placement new +#include // For std::move and std::forward +#include // For std::bad_alloc +#include // For returning references + +template +class ContiguousContainer { +public: + ContiguousContainer(); + ~ContiguousContainer(); + + // Use perfect forwarding for pushBack + template + void pushBack(Args&&... args); + + void popBack(); + T& operator[](size_t index); + size_t getSize() const; + + // Function to return references to all stored objects + std::vector> getAllReferences(); + +private: + T* mData; + size_t mSize; + size_t mCapacity; + + void resize(size_t new_capacity); // Resize function to allocate more space +}; + +#include "ContiguousContainer.hpp" diff --git a/mwe/ecs-memory-efficient/inc/ContiguousContainer.hpp b/mwe/ecs-memory-efficient/inc/ContiguousContainer.hpp new file mode 100644 index 0000000..878a85f --- /dev/null +++ b/mwe/ecs-memory-efficient/inc/ContiguousContainer.hpp @@ -0,0 +1,84 @@ +template +ContiguousContainer::ContiguousContainer() + : mSize(0), mCapacity(10) { + // Allocate memory for 10 objects initially + mData = static_cast(malloc(mCapacity * sizeof(T))); + if (!mData) { + throw std::bad_alloc(); + } +} + +template +ContiguousContainer::~ContiguousContainer() { + // Destroy all constructed objects + for (size_t i = 0; i < mSize; ++i) { + mData[i].~T(); + } + // Free the allocated memory + free(mData); +} + +template +template +void ContiguousContainer::pushBack(Args&&... args) { + if (mSize == mCapacity) { + // Double the capacity if the container is full + resize(mCapacity * 2); + } + // Use placement new with perfect forwarding to construct the object in place + new (mData + mSize) T(std::forward(args)...); + ++mSize; +} + +template +void ContiguousContainer::popBack() { + if (mSize > 0) { + --mSize; + // Explicitly call the destructor + mData[mSize].~T(); + } +} + +template +T& ContiguousContainer::operator[](size_t index) { + if (index >= mSize) { + throw std::out_of_range("Index out of range"); + } + return mData[index]; +} + +template +size_t ContiguousContainer::getSize() const { + return mSize; +} + +// Function that returns a vector of references to all stored objects +template +std::vector> ContiguousContainer::getAllReferences() { + std::vector> references; + references.reserve(mSize); // Reserve space to avoid reallocation + for (size_t i = 0; i < mSize; ++i) { + references.push_back(std::ref(mData[i])); + } + return references; +} + +template +void ContiguousContainer::resize(size_t new_capacity) { + // Allocate new memory block with the updated capacity + T* new_data = static_cast(malloc(new_capacity * sizeof(T))); + if (!new_data) { + throw std::bad_alloc(); + } + + // Move or copy existing objects to the new memory block + for (size_t i = 0; i < mSize; ++i) { + new (new_data + i) T(std::move(mData[i])); // Move the objects + mData[i].~T(); // Call the destructor for the old object + } + + // Free the old memory block + free(mData); + mData = new_data; + mCapacity = new_capacity; +} diff --git a/mwe/ecs-memory-efficient/inc/GameObjectMax.h b/mwe/ecs-memory-efficient/inc/GameObjectMax.h index f0bcec9..62cd3e6 100644 --- a/mwe/ecs-memory-efficient/inc/GameObjectMax.h +++ b/mwe/ecs-memory-efficient/inc/GameObjectMax.h @@ -7,8 +7,12 @@ class GameObject { public: GameObject(std::uint32_t id, std::string name, std::string tag, int layer); - template - void AddComponent(Args&&... args); + template + void addSpriteComponent(Args&&... args); + template + void addRigidbodyComponent(Args&&... args); + template + void addColiderComponent(Args&&... args); std::uint32_t mId; std::string mName; diff --git a/mwe/ecs-memory-efficient/inc/GameObjectMax.hpp b/mwe/ecs-memory-efficient/inc/GameObjectMax.hpp index 1e952ba..aac9811 100644 --- a/mwe/ecs-memory-efficient/inc/GameObjectMax.hpp +++ b/mwe/ecs-memory-efficient/inc/GameObjectMax.hpp @@ -1,6 +1,16 @@ #include "ComponentManager.h" -template -void GameObject::AddComponent(Args&&... args) { - ComponentManager::GetInstance().AddComponent(mId, std::forward(args)...); +template +void GameObject::addSpriteComponent(Args&&... args) { + ComponentManager::GetInstance().addSpriteComponent(std::forward(args)...); +} + +template +void GameObject::addRigidbodyComponent(Args&&... args) { + ComponentManager::GetInstance().addRigidbodyComponent(std::forward(args)...); +} + +template +void GameObject::addColiderComponent(Args&&... args) { + ComponentManager::GetInstance().addColiderComponent(std::forward(args)...); } diff --git a/mwe/ecs-memory-efficient/src/ComponentManager.cpp b/mwe/ecs-memory-efficient/src/ComponentManager.cpp index 16cc2b6..20d0ce0 100644 --- a/mwe/ecs-memory-efficient/src/ComponentManager.cpp +++ b/mwe/ecs-memory-efficient/src/ComponentManager.cpp @@ -8,14 +8,14 @@ ComponentManager& ComponentManager::GetInstance() { ComponentManager::ComponentManager() {} -void ComponentManager::DeleteAllComponentsOfId(std::uint32_t id) { - for(auto& [type, componentArray] : mComponents) { //Loop through all the types (in the unordered_map<>) - 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 components at this specific id - } - } +std::vector> ComponentManager::getAllSpriteReferences() { + return mSpriteContainer.getAllReferences(); } -void ComponentManager::DeleteAllComponents() { - mComponents.clear(); //Clear the whole unordered_map<> +std::vector> ComponentManager::getAllRigidbodyReferences() { + return mRigidbodyContainer.getAllReferences(); +} + +std::vector> ComponentManager::getAllColiderReferences() { + return mColiderContainer.getAllReferences(); } diff --git a/mwe/ecs-memory-efficient/src/main.cpp b/mwe/ecs-memory-efficient/src/main.cpp index 9e8fbd5..71b6b3c 100644 --- a/mwe/ecs-memory-efficient/src/main.cpp +++ b/mwe/ecs-memory-efficient/src/main.cpp @@ -1,108 +1,54 @@ #include #include #include +#include #include "ComponentManager.h" #include "GameObjectMax.h" #include "Components.h" int main() { - GameObject gameObect0(0, "Name: 0", "Tag: 0", 0); //Entity 0 - GameObject gameObect1(1, "Name: 1", "Tag: 1", 1); //Entity 1 - GameObject gameObect2(2, "Name: 2", "Tag: 2", 2); //Entity 2 - GameObject gameObect3(3, "Name: 3", "Tag: 3", 3); //Entity 3 - GameObject gameObect4(4, "Name: 4", "Tag: 4", 4); //Entity 4 - GameObject gameObect5(5, "Name: 5", "Tag: 5", 5); //Entity 5 - GameObject gameObect6(6, "Name: 6", "Tag: 6", 6); //Entity 6 - GameObject gameObect7(7, "Name: 7", "Tag: 7", 7); //Entity 7 + auto startAdding = std::chrono::high_resolution_clock::now(); - gameObect0.AddComponent("C:/object0"); //Add a sprite to entity0 - gameObect0.AddComponent(1, 2, 3); //Also add a rigidbody to entity0 - gameObect0.AddComponent(3, 2, 1); //Add a second rigidbody to entity0 + GameObject* gameObject[1000]; - gameObect1.AddComponent(4, 5, 6); //Only add a rigidbody to entity1 + for(int i = 0; i < 1000; ++i) { + gameObject[i] = new GameObject(i, "Name", "Tag", 0); - gameObect2.AddComponent("C:/object2/1"); //Add four sprites to entity2 - gameObect2.AddComponent("C:/object2/2"); - gameObect2.AddComponent("C:/object2/3"); - gameObect2.AddComponent("C:/object2/4"); - gameObect2.AddComponent(10, 100, 500); //Add four rigidbodies to entity2 - gameObect2.AddComponent(10, 100, 501); - gameObect2.AddComponent(10, 100, 502); - gameObect2.AddComponent(10, 100, 500); - - //Add non components to entity3, entity4, entity5 and entity6 - - gameObect7.AddComponent("C:/object7"); //Add a sprite to entity 7 - gameObect7.AddComponent(30); //Add a colder to entity 7 - - //The entities are now initialized - //Now I will demonstrate some ways of retreiving/getting components - - std::cout << "Finding all sprites of entity 0" << std::endl; - std::vector> spriteOfEntity0 = ComponentManager::GetInstance().GetComponentsByID(gameObect0.mId); - for(Sprite& spriteEntity0 : spriteOfEntity0) { - std::cout << "Sprite of entity 0: " << spriteEntity0.mPath << std::endl; - } - std::cout << std::endl; - - std::cout << "Finding all rigidbodies of entity 0" << std::endl; - std::vector> rigidbodyOfEntity0 = ComponentManager::GetInstance().GetComponentsByID(gameObect0.mId); - for(Rigidbody& rigidbodyEntity0 : rigidbodyOfEntity0) { - std::cout << "Rigidbody of entity 0: " << rigidbodyEntity0.mMass << " " << rigidbodyEntity0.mGravityScale << " " << rigidbodyEntity0.mBodyType << std::endl; - - rigidbodyEntity0.mMass = 15; + gameObject[i]->addSpriteComponent("C:/Test"); + gameObject[i]->addRigidbodyComponent(0, 0, i); + gameObject[i]->addColiderComponent(i); } - std::cout << std::endl; - std::cout << "Finding all coliders of entity 0" << std::endl; - std::vector> coliderOfEntity0 = ComponentManager::GetInstance().GetComponentsByID(gameObect0.mId); - for(Colider& coliderEntity0 : coliderOfEntity0) { - std::cout << "Colider of entity 0: " << coliderEntity0.mSize << std::endl; - } - std::cout << std::endl; + auto stopAdding = std::chrono::high_resolution_clock::now(); - std::cout << "Finding all sprites of entity 3" << std::endl; - std::vector> spriteOfEntity3 = ComponentManager::GetInstance().GetComponentsByID(gameObect3.mId); - for(Sprite& spriteEntity3 : spriteOfEntity3) { - std::cout << "Sprite of entity 3: " << spriteEntity3.mPath << std::endl; - } - std::cout << std::endl; + //This is what systems would do: - std::cout << "Finding all rigidbodies of entity 3" << std::endl; - std::vector> rigidbodyOfEntity3 = ComponentManager::GetInstance().GetComponentsByID(gameObect3.mId); - for(Rigidbody& rigidbodyEntity3 : rigidbodyOfEntity3) { - std::cout << "Rigidbody of entity 3: " << rigidbodyEntity3.mMass << " " << rigidbodyEntity3.mGravityScale << " " << rigidbodyEntity3.mBodyType << std::endl; + std::vector> allSprites = ComponentManager::GetInstance().getAllSpriteReferences(); + for(Sprite& sprite : allSprites) { + std::cout << sprite.mPath << std::endl; } std::cout << std::endl; - std::cout << "Finding all sprites of all entities" << std::endl; - std::vector, std::uint32_t>> sprites = ComponentManager::GetInstance().GetComponentsByType(); - for(auto& [sprite, id] : sprites) { - std::cout << "Sprite of id: " << id << ": " << sprite.get().mPath << std::endl; + std::vector> allRigidbody = ComponentManager::GetInstance().getAllRigidbodyReferences(); + for(Rigidbody& rigidbody : allRigidbody) { + std::cout << rigidbody.mMass << " " << rigidbody.mGravityScale << " " << rigidbody.mBodyType << std::endl; } std::cout << std::endl; - std::cout << "Finding all coliders of all entities" << std::endl; - std::vector, std::uint32_t>> coliders = ComponentManager::GetInstance().GetComponentsByType(); - for(auto& [colider, id] : coliders) { - std::cout << "Colder of id: " << id << ": " << colider.get().mSize << std::endl; + std::vector> allColider = ComponentManager::GetInstance().getAllColiderReferences(); + for(Colider& colider : allColider) { + std::cout << colider.mSize << std::endl; } - std::cout << std::endl; - std::cout << "Finding all rigidbodies of all entities" << std::endl; - std::vector, std::uint32_t>> rigidBodies = ComponentManager::GetInstance().GetComponentsByType(); - for(auto& [rigidbody, id] : rigidBodies) { - std::cout << "Rigidbody of id: " << id << ": " << rigidbody.get().mMass << " " << rigidbody.get().mGravityScale << " " << rigidbody.get().mBodyType << std::endl; + auto stopLooping = std::chrono::high_resolution_clock::now(); - rigidbody.get().mMass = -1; + for (int i = 0; i < 1000; ++i) { + delete gameObject[i]; } - std::cout << std::endl; - std::cout << "Finding all rigidbodies of all entities for the second time (after changing mMass to -1)" << std::endl; - std::vector, std::uint32_t>> rigidBodies2 = ComponentManager::GetInstance().GetComponentsByType(); - for(auto& [rigidbody2, id2] : rigidBodies2) { - std::cout << "Rigidbody of id: " << id2 << ": " << rigidbody2.get().mMass << " " << rigidbody2.get().mGravityScale << " " << rigidbody2.get().mBodyType << std::endl; - } - std::cout << std::endl; + auto Addtime = std::chrono::duration_cast(stopAdding - startAdding); + auto LoopTime = std::chrono::duration_cast(stopLooping - stopAdding); + std::cout << "AddTime: " << Addtime.count() << " us" << std::endl; + std::cout << "LoopTime: " << LoopTime.count() << " us" << std::endl; } -- cgit v1.2.3 From 809db83cd515c6c2b1d404811354208cf97a5c07 Mon Sep 17 00:00:00 2001 From: Max-001 <80035972+Max-001@users.noreply.github.com> Date: Sat, 5 Oct 2024 12:28:58 +0200 Subject: Improved test --- mwe/ecs-memory-efficient/src/main.cpp | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'mwe/ecs-memory-efficient/src/main.cpp') diff --git a/mwe/ecs-memory-efficient/src/main.cpp b/mwe/ecs-memory-efficient/src/main.cpp index 71b6b3c..c25816b 100644 --- a/mwe/ecs-memory-efficient/src/main.cpp +++ b/mwe/ecs-memory-efficient/src/main.cpp @@ -10,9 +10,9 @@ int main() { auto startAdding = std::chrono::high_resolution_clock::now(); - GameObject* gameObject[1000]; + GameObject* gameObject[100000]; - for(int i = 0; i < 1000; ++i) { + for(int i = 0; i < 100000; ++i) { gameObject[i] = new GameObject(i, "Name", "Tag", 0); gameObject[i]->addSpriteComponent("C:/Test"); @@ -26,24 +26,24 @@ int main() { std::vector> allSprites = ComponentManager::GetInstance().getAllSpriteReferences(); for(Sprite& sprite : allSprites) { - std::cout << sprite.mPath << std::endl; + //std::cout << sprite.mPath << std::endl; } - std::cout << std::endl; + //std::cout << std::endl; std::vector> allRigidbody = ComponentManager::GetInstance().getAllRigidbodyReferences(); for(Rigidbody& rigidbody : allRigidbody) { - std::cout << rigidbody.mMass << " " << rigidbody.mGravityScale << " " << rigidbody.mBodyType << std::endl; + //std::cout << rigidbody.mMass << " " << rigidbody.mGravityScale << " " << rigidbody.mBodyType << std::endl; } - std::cout << std::endl; + //std::cout << std::endl; std::vector> allColider = ComponentManager::GetInstance().getAllColiderReferences(); for(Colider& colider : allColider) { - std::cout << colider.mSize << std::endl; + //std::cout << colider.mSize << std::endl; } auto stopLooping = std::chrono::high_resolution_clock::now(); - for (int i = 0; i < 1000; ++i) { + for (int i = 0; i < 100000; ++i) { delete gameObject[i]; } -- cgit v1.2.3 From a50a3153be5214234db24a79ab4b706b37e132a0 Mon Sep 17 00:00:00 2001 From: Loek Le Blansch Date: Thu, 17 Oct 2024 17:12:27 +0200 Subject: `make format` --- .vscode/launch.json | 28 ----- .vscode/tasks.json | 38 ------- mwe/ecs-memory-efficient/inc/ComponentManager.h | 26 ++--- mwe/ecs-memory-efficient/inc/ComponentManager.hpp | 14 +-- mwe/ecs-memory-efficient/inc/ContiguousContainer.h | 38 +++---- .../inc/ContiguousContainer.hpp | 124 ++++++++++----------- mwe/ecs-memory-efficient/inc/GameObjectMax.h | 12 +- mwe/ecs-memory-efficient/inc/GameObjectMax.hpp | 15 ++- mwe/ecs-memory-efficient/src/ComponentManager.cpp | 13 ++- mwe/ecs-memory-efficient/src/main.cpp | 33 +++--- 10 files changed, 142 insertions(+), 199 deletions(-) delete mode 100644 .vscode/launch.json delete mode 100644 .vscode/tasks.json (limited to 'mwe/ecs-memory-efficient/src/main.cpp') diff --git a/.vscode/launch.json b/.vscode/launch.json deleted file mode 100644 index 69e3590..0000000 --- a/.vscode/launch.json +++ /dev/null @@ -1,28 +0,0 @@ -{ - "version": "0.2.0", - "configurations": [ - { - "name": "Debug with Ninja", - "type": "cppdbg", - "request": "launch", - "program": "${workspaceFolder}/mwe/ecs-memory-efficient/build/ecs-memory-efficient.exe", - "args": [], - "stopAtEntry": true, - "cwd": "${workspaceFolder}", - "environment": [], - "externalConsole": false, - "MIMode": "gdb", - "preLaunchTask": "build", - "setupCommands": [ - { - "description": "Enable pretty-printing for gdb", - "text": "-enable-pretty-printing", - "ignoreFailures": true - } - ], - "logging": { - "engineLogging": true - } - } - ] -} diff --git a/.vscode/tasks.json b/.vscode/tasks.json deleted file mode 100644 index b00cb77..0000000 --- a/.vscode/tasks.json +++ /dev/null @@ -1,38 +0,0 @@ -{ - "version": "2.0.0", - "tasks": [ - { - "label": "configure", - "type": "shell", - "command": "cmake", - "args": [ - "-G", - "Ninja", - "-B", - "${workspaceFolder}/mwe/ecs-memory-efficient/build", // Create build folder here - "${workspaceFolder}/mwe/ecs-memory-efficient" // Path to your source directory - ], - "group": { - "kind": "build", - "isDefault": false - }, - "problemMatcher": [] - }, - { - "label": "build", - "type": "shell", - "command": "cmake", - "args": [ - "--build", - "${workspaceFolder}/mwe/ecs-memory-efficient/build" // Build directory - ], - "dependsOn": "configure", // Ensure the configure task runs first - "group": { - "kind": "build", - "isDefault": true - }, - "problemMatcher": ["$gcc"], - "detail": "Generated task for building the project." - } - ] -} diff --git a/mwe/ecs-memory-efficient/inc/ComponentManager.h b/mwe/ecs-memory-efficient/inc/ComponentManager.h index 066795a..8279a9a 100644 --- a/mwe/ecs-memory-efficient/inc/ComponentManager.h +++ b/mwe/ecs-memory-efficient/inc/ComponentManager.h @@ -5,28 +5,28 @@ class ComponentManager { public: - static ComponentManager& GetInstance(); //Singleton + static ComponentManager & GetInstance(); //Singleton - ComponentManager(const ComponentManager&) = delete; //Singleton - ComponentManager(ComponentManager&&) = delete; //Singleton - ComponentManager& operator=(const ComponentManager&) = delete; //Singleton - ComponentManager& operator=(ComponentManager&&) = delete; //Singleton + ComponentManager(const ComponentManager &) = delete; //Singleton + ComponentManager(ComponentManager &&) = delete; //Singleton + ComponentManager & operator=(const ComponentManager &) = delete; //Singleton + ComponentManager & operator=(ComponentManager &&) = delete; //Singleton - template - void addSpriteComponent(Args&&... args); - template - void addRigidbodyComponent(Args&&... args); - template - void addColiderComponent(Args&&... args); + template + void addSpriteComponent(Args &&... args); + template + void addRigidbodyComponent(Args &&... args); + template + void addColiderComponent(Args &&... args); std::vector> getAllSpriteReferences(); std::vector> getAllRigidbodyReferences(); std::vector> getAllColiderReferences(); private: - static ComponentManager mInstance; //Singleton + static ComponentManager mInstance; //Singleton - ComponentManager(); //Singleton + ComponentManager(); //Singleton ContiguousContainer mSpriteContainer; ContiguousContainer mRigidbodyContainer; diff --git a/mwe/ecs-memory-efficient/inc/ComponentManager.hpp b/mwe/ecs-memory-efficient/inc/ComponentManager.hpp index 1607c0c..a914a6b 100644 --- a/mwe/ecs-memory-efficient/inc/ComponentManager.hpp +++ b/mwe/ecs-memory-efficient/inc/ComponentManager.hpp @@ -1,15 +1,15 @@ - -template -void ComponentManager::addSpriteComponent(Args&&... args) { + +template +void ComponentManager::addSpriteComponent(Args &&... args) { mSpriteContainer.pushBack(std::forward(args)...); } -template -void ComponentManager::addRigidbodyComponent(Args&&... args) { +template +void ComponentManager::addRigidbodyComponent(Args &&... args) { mRigidbodyContainer.pushBack(std::forward(args)...); } -template -void ComponentManager::addColiderComponent(Args&&... args){ +template +void ComponentManager::addColiderComponent(Args &&... args) { mColiderContainer.pushBack(std::forward(args)...); } diff --git a/mwe/ecs-memory-efficient/inc/ContiguousContainer.h b/mwe/ecs-memory-efficient/inc/ContiguousContainer.h index dd0321e..e3b57ba 100644 --- a/mwe/ecs-memory-efficient/inc/ContiguousContainer.h +++ b/mwe/ecs-memory-efficient/inc/ContiguousContainer.h @@ -1,34 +1,34 @@ #pragma once -#include // For malloc and free -#include // For placement new -#include // For std::move and std::forward +#include // For malloc and free +#include // For placement new #include // For std::bad_alloc -#include // For returning references +#include // For std::move and std::forward +#include // For returning references -template +template class ContiguousContainer { public: - ContiguousContainer(); - ~ContiguousContainer(); + ContiguousContainer(); + ~ContiguousContainer(); - // Use perfect forwarding for pushBack - template - void pushBack(Args&&... args); - - void popBack(); - T& operator[](size_t index); - size_t getSize() const; + // Use perfect forwarding for pushBack + template + void pushBack(Args &&... args); + + void popBack(); + T & operator[](size_t index); + size_t getSize() const; // Function to return references to all stored objects - std::vector> getAllReferences(); + std::vector> getAllReferences(); private: - T* mData; - size_t mSize; - size_t mCapacity; + T * mData; + size_t mSize; + size_t mCapacity; - void resize(size_t new_capacity); // Resize function to allocate more space + void resize(size_t new_capacity); // Resize function to allocate more space }; #include "ContiguousContainer.hpp" diff --git a/mwe/ecs-memory-efficient/inc/ContiguousContainer.hpp b/mwe/ecs-memory-efficient/inc/ContiguousContainer.hpp index 878a85f..408d5aa 100644 --- a/mwe/ecs-memory-efficient/inc/ContiguousContainer.hpp +++ b/mwe/ecs-memory-efficient/inc/ContiguousContainer.hpp @@ -1,84 +1,84 @@ -template -ContiguousContainer::ContiguousContainer() - : mSize(0), mCapacity(10) { - // Allocate memory for 10 objects initially - mData = static_cast(malloc(mCapacity * sizeof(T))); - if (!mData) { - throw std::bad_alloc(); - } +template +ContiguousContainer::ContiguousContainer() : mSize(0), mCapacity(10) { + // Allocate memory for 10 objects initially + mData = static_cast(malloc(mCapacity * sizeof(T))); + if (!mData) { + throw std::bad_alloc(); + } } -template +template ContiguousContainer::~ContiguousContainer() { - // Destroy all constructed objects - for (size_t i = 0; i < mSize; ++i) { - mData[i].~T(); - } - // Free the allocated memory - free(mData); + // Destroy all constructed objects + for (size_t i = 0; i < mSize; ++i) { + mData[i].~T(); + } + // Free the allocated memory + free(mData); } -template -template -void ContiguousContainer::pushBack(Args&&... args) { - if (mSize == mCapacity) { - // Double the capacity if the container is full - resize(mCapacity * 2); - } - // Use placement new with perfect forwarding to construct the object in place - new (mData + mSize) T(std::forward(args)...); - ++mSize; +template +template +void ContiguousContainer::pushBack(Args &&... args) { + if (mSize == mCapacity) { + // Double the capacity if the container is full + resize(mCapacity * 2); + } + // Use placement new with perfect forwarding to construct the object in place + new (mData + mSize) T(std::forward(args)...); + ++mSize; } -template +template void ContiguousContainer::popBack() { - if (mSize > 0) { - --mSize; - // Explicitly call the destructor - mData[mSize].~T(); - } + if (mSize > 0) { + --mSize; + // Explicitly call the destructor + mData[mSize].~T(); + } } -template -T& ContiguousContainer::operator[](size_t index) { - if (index >= mSize) { - throw std::out_of_range("Index out of range"); - } - return mData[index]; +template +T & ContiguousContainer::operator[](size_t index) { + if (index >= mSize) { + throw std::out_of_range("Index out of range"); + } + return mData[index]; } -template +template size_t ContiguousContainer::getSize() const { - return mSize; + return mSize; } // Function that returns a vector of references to all stored objects -template -std::vector> ContiguousContainer::getAllReferences() { - std::vector> references; - references.reserve(mSize); // Reserve space to avoid reallocation - for (size_t i = 0; i < mSize; ++i) { - references.push_back(std::ref(mData[i])); - } - return references; +template +std::vector> +ContiguousContainer::getAllReferences() { + std::vector> references; + references.reserve(mSize); // Reserve space to avoid reallocation + for (size_t i = 0; i < mSize; ++i) { + references.push_back(std::ref(mData[i])); + } + return references; } -template +template void ContiguousContainer::resize(size_t new_capacity) { - // Allocate new memory block with the updated capacity - T* new_data = static_cast(malloc(new_capacity * sizeof(T))); - if (!new_data) { - throw std::bad_alloc(); - } + // Allocate new memory block with the updated capacity + T * new_data = static_cast(malloc(new_capacity * sizeof(T))); + if (!new_data) { + throw std::bad_alloc(); + } - // Move or copy existing objects to the new memory block - for (size_t i = 0; i < mSize; ++i) { - new (new_data + i) T(std::move(mData[i])); // Move the objects - mData[i].~T(); // Call the destructor for the old object - } + // Move or copy existing objects to the new memory block + for (size_t i = 0; i < mSize; ++i) { + new (new_data + i) T(std::move(mData[i])); // Move the objects + mData[i].~T(); // Call the destructor for the old object + } - // Free the old memory block - free(mData); - mData = new_data; - mCapacity = new_capacity; + // Free the old memory block + free(mData); + mData = new_data; + mCapacity = new_capacity; } diff --git a/mwe/ecs-memory-efficient/inc/GameObjectMax.h b/mwe/ecs-memory-efficient/inc/GameObjectMax.h index 62cd3e6..760e330 100644 --- a/mwe/ecs-memory-efficient/inc/GameObjectMax.h +++ b/mwe/ecs-memory-efficient/inc/GameObjectMax.h @@ -7,12 +7,12 @@ class GameObject { public: GameObject(std::uint32_t id, std::string name, std::string tag, int layer); - template - void addSpriteComponent(Args&&... args); - template - void addRigidbodyComponent(Args&&... args); - template - void addColiderComponent(Args&&... args); + template + void addSpriteComponent(Args &&... args); + template + void addRigidbodyComponent(Args &&... args); + template + void addColiderComponent(Args &&... args); std::uint32_t mId; std::string mName; diff --git a/mwe/ecs-memory-efficient/inc/GameObjectMax.hpp b/mwe/ecs-memory-efficient/inc/GameObjectMax.hpp index aac9811..be3ffa2 100644 --- a/mwe/ecs-memory-efficient/inc/GameObjectMax.hpp +++ b/mwe/ecs-memory-efficient/inc/GameObjectMax.hpp @@ -1,16 +1,19 @@ #include "ComponentManager.h" template -void GameObject::addSpriteComponent(Args&&... args) { - ComponentManager::GetInstance().addSpriteComponent(std::forward(args)...); +void GameObject::addSpriteComponent(Args &&... args) { + ComponentManager::GetInstance().addSpriteComponent( + std::forward(args)...); } template -void GameObject::addRigidbodyComponent(Args&&... args) { - ComponentManager::GetInstance().addRigidbodyComponent(std::forward(args)...); +void GameObject::addRigidbodyComponent(Args &&... args) { + ComponentManager::GetInstance().addRigidbodyComponent( + std::forward(args)...); } template -void GameObject::addColiderComponent(Args&&... args) { - ComponentManager::GetInstance().addColiderComponent(std::forward(args)...); +void GameObject::addColiderComponent(Args &&... args) { + ComponentManager::GetInstance().addColiderComponent( + std::forward(args)...); } diff --git a/mwe/ecs-memory-efficient/src/ComponentManager.cpp b/mwe/ecs-memory-efficient/src/ComponentManager.cpp index 20d0ce0..8c1fd23 100644 --- a/mwe/ecs-memory-efficient/src/ComponentManager.cpp +++ b/mwe/ecs-memory-efficient/src/ComponentManager.cpp @@ -2,20 +2,21 @@ ComponentManager ComponentManager::mInstance; -ComponentManager& ComponentManager::GetInstance() { - return mInstance; -} +ComponentManager & ComponentManager::GetInstance() { return mInstance; } ComponentManager::ComponentManager() {} -std::vector> ComponentManager::getAllSpriteReferences() { +std::vector> +ComponentManager::getAllSpriteReferences() { return mSpriteContainer.getAllReferences(); } -std::vector> ComponentManager::getAllRigidbodyReferences() { +std::vector> +ComponentManager::getAllRigidbodyReferences() { return mRigidbodyContainer.getAllReferences(); } -std::vector> ComponentManager::getAllColiderReferences() { +std::vector> +ComponentManager::getAllColiderReferences() { return mColiderContainer.getAllReferences(); } diff --git a/mwe/ecs-memory-efficient/src/main.cpp b/mwe/ecs-memory-efficient/src/main.cpp index c25816b..9c6f2aa 100644 --- a/mwe/ecs-memory-efficient/src/main.cpp +++ b/mwe/ecs-memory-efficient/src/main.cpp @@ -1,18 +1,18 @@ +#include +#include #include #include -#include -#include #include "ComponentManager.h" -#include "GameObjectMax.h" #include "Components.h" +#include "GameObjectMax.h" int main() { auto startAdding = std::chrono::high_resolution_clock::now(); - GameObject* gameObject[100000]; + GameObject * gameObject[100000]; - for(int i = 0; i < 100000; ++i) { + for (int i = 0; i < 100000; ++i) { gameObject[i] = new GameObject(i, "Name", "Tag", 0); gameObject[i]->addSpriteComponent("C:/Test"); @@ -24,31 +24,36 @@ int main() { //This is what systems would do: - std::vector> allSprites = ComponentManager::GetInstance().getAllSpriteReferences(); - for(Sprite& sprite : allSprites) { + std::vector> allSprites + = ComponentManager::GetInstance().getAllSpriteReferences(); + for (Sprite & sprite : allSprites) { //std::cout << sprite.mPath << std::endl; } //std::cout << std::endl; - std::vector> allRigidbody = ComponentManager::GetInstance().getAllRigidbodyReferences(); - for(Rigidbody& rigidbody : allRigidbody) { + std::vector> allRigidbody + = ComponentManager::GetInstance().getAllRigidbodyReferences(); + for (Rigidbody & rigidbody : allRigidbody) { //std::cout << rigidbody.mMass << " " << rigidbody.mGravityScale << " " << rigidbody.mBodyType << std::endl; } //std::cout << std::endl; - std::vector> allColider = ComponentManager::GetInstance().getAllColiderReferences(); - for(Colider& colider : allColider) { + std::vector> allColider + = ComponentManager::GetInstance().getAllColiderReferences(); + for (Colider & colider : allColider) { //std::cout << colider.mSize << std::endl; } auto stopLooping = std::chrono::high_resolution_clock::now(); for (int i = 0; i < 100000; ++i) { - delete gameObject[i]; + delete gameObject[i]; } - auto Addtime = std::chrono::duration_cast(stopAdding - startAdding); - auto LoopTime = std::chrono::duration_cast(stopLooping - stopAdding); + auto Addtime = std::chrono::duration_cast( + stopAdding - startAdding); + auto LoopTime = std::chrono::duration_cast( + stopLooping - stopAdding); std::cout << "AddTime: " << Addtime.count() << " us" << std::endl; std::cout << "LoopTime: " << LoopTime.count() << " us" << std::endl; } -- cgit v1.2.3