4 files changed, 90 insertions, 0 deletions
diff --git a/mwe/ecs-homemade/src/ComponentManager.cpp b/mwe/ecs-homemade/src/ComponentManager.cpp
new file mode 100644
index 0000000..16cc2b6
--- /dev/null
+++ b/mwe/ecs-homemade/src/ComponentManager.cpp
@@ -0,0 +1,21 @@
+#include "ComponentManager.h"
+
+ComponentManager ComponentManager::mInstance;
+
+ComponentManager& ComponentManager::GetInstance() {
+	return mInstance;
+}
+
+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
+        }
+    }
+}
+
+void ComponentManager::DeleteAllComponents() {
+	mComponents.clear();	//Clear the whole unordered_map<>
+}
diff --git a/mwe/ecs-homemade/src/Components.cpp b/mwe/ecs-homemade/src/Components.cpp
new file mode 100644
index 0000000..69b5eaa
--- /dev/null
+++ b/mwe/ecs-homemade/src/Components.cpp
@@ -0,0 +1,10 @@
+#include "Components.h"
+#include <iostream>
+
+Component::Component() : mActive(true) {}
+
+Sprite::Sprite(std::string path) : mPath(path) {}
+
+Rigidbody::Rigidbody(int mass, int gravityScale, int bodyType) : mMass(mass), mGravityScale(gravityScale), mBodyType(bodyType) {}
+
+Colider::Colider(int size) : mSize(size) {}
diff --git a/mwe/ecs-homemade/src/GameObjectMax.cpp b/mwe/ecs-homemade/src/GameObjectMax.cpp
new file mode 100644
index 0000000..62c41de
--- /dev/null
+++ b/mwe/ecs-homemade/src/GameObjectMax.cpp
@@ -0,0 +1,5 @@
+#include "GameObjectMax.h"
+
+#include "ComponentManager.h"
+
+GameObject::GameObject(std::uint32_t id, std::string name, std::string tag, int layer) : mId(id), mName(name), mTag(tag), mActive(true), mLayer(layer) {}
diff --git a/mwe/ecs-homemade/src/main.cpp b/mwe/ecs-homemade/src/main.cpp
new file mode 100644
index 0000000..41f7d6d
--- /dev/null
+++ b/mwe/ecs-homemade/src/main.cpp
@@ -0,0 +1,54 @@
+#include <iostream>
+#include <vector>
+#include <cstdint>
+#include <chrono>
+
+#include "ComponentManager.h"
+#include "GameObjectMax.h"
+#include "Components.h"
+
+int main() {
+	auto startAdding = std::chrono::high_resolution_clock::now();
+
+	GameObject* gameObject[100000];
+
+	for(int i = 0; i < 100000; ++i) {
+		gameObject[i] = new GameObject(i, "Name", "Tag", 0);
+
+		gameObject[i]->AddComponent<Sprite>("C:/Test");
+		gameObject[i]->AddComponent<Rigidbody>(0, 0, i);
+		gameObject[i]->AddComponent<Colider>(i);
+	}
+	
+	auto stopAdding = std::chrono::high_resolution_clock::now();
+
+	//This is what systems would do:
+
+	std::vector<std::reference_wrapper<Sprite>> sprites = ComponentManager::GetInstance().GetComponentsByType<Sprite>();
+	for(Sprite& sprite : sprites) {
+		//std::cout << sprite.get().mPath << std::endl;
+	}
+	//std::cout << std::endl;
+
+	std::vector<std::reference_wrapper<Rigidbody>> rigidBodies = ComponentManager::GetInstance().GetComponentsByType<Rigidbody>();
+	for(Rigidbody& rigidbody : rigidBodies) {
+		//std::cout << rigidbody.get().mMass << " " << rigidbody.get().mGravityScale << " " << rigidbody.get().mBodyType << std::endl;
+	}
+	//std::cout << std::endl;
+
+	std::vector<std::reference_wrapper<Colider>> coliders = ComponentManager::GetInstance().GetComponentsByType<Colider>();
+	for(Colider& colider : coliders) {
+		//std::cout << colider.get().mSize << std::endl;
+	}
+
+	auto stopLooping = std::chrono::high_resolution_clock::now();
+
+	for (int i = 0; i < 100000; ++i) {
+    	delete gameObject[i];
+	}
+
+	auto Addtime = std::chrono::duration_cast<std::chrono::microseconds>(stopAdding - startAdding);
+	auto LoopTime = std::chrono::duration_cast<std::chrono::microseconds>(stopLooping - stopAdding);
+	std::cout << "AddTime: " << Addtime.count() << " us" << std::endl;
+	std::cout << "LoopTime: " << LoopTime.count() << " us" << std::endl;
+}