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

---
 mwe/ecs-memory-efficient/src/main.cpp | 106 +++++++++-------------------------
 1 file changed, 26 insertions(+), 80 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 9e8fbd5..71b6b3c 100644
--- a/mwe/ecs-memory-efficient/src/main.cpp
+++ b/mwe/ecs-memory-efficient/src/main.cpp
@@ -1,108 +1,54 @@
 #include <iostream>
 #include <vector>
 #include <cstdint>
+#include <chrono>
 
 #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<Sprite>("C:/object0");	//Add a sprite to entity0
-	gameObect0.AddComponent<Rigidbody>(1, 2, 3);	//Also add a rigidbody to entity0
-	gameObect0.AddComponent<Rigidbody>(3, 2, 1);	//Add a second rigidbody to entity0
+	GameObject* gameObject[1000];
 
-	gameObect1.AddComponent<Rigidbody>(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<Sprite>("C:/object2/1");	//Add four sprites to entity2
-	gameObect2.AddComponent<Sprite>("C:/object2/2");
-	gameObect2.AddComponent<Sprite>("C:/object2/3");
-	gameObect2.AddComponent<Sprite>("C:/object2/4");
-	gameObect2.AddComponent<Rigidbody>(10, 100, 500);	//Add four rigidbodies to entity2
-	gameObect2.AddComponent<Rigidbody>(10, 100, 501);
-	gameObect2.AddComponent<Rigidbody>(10, 100, 502);
-	gameObect2.AddComponent<Rigidbody>(10, 100, 500);
-	
-	//Add non components to entity3, entity4, entity5 and entity6
-
-	gameObect7.AddComponent<Sprite>("C:/object7");	//Add a sprite to entity 7
-	gameObect7.AddComponent<Colider>(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<std::reference_wrapper<Sprite>> spriteOfEntity0 = ComponentManager::GetInstance().GetComponentsByID<Sprite>(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<std::reference_wrapper<Rigidbody>> rigidbodyOfEntity0 = ComponentManager::GetInstance().GetComponentsByID<Rigidbody>(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<std::reference_wrapper<Colider>> coliderOfEntity0 = ComponentManager::GetInstance().GetComponentsByID<Colider>(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<std::reference_wrapper<Sprite>> spriteOfEntity3 = ComponentManager::GetInstance().GetComponentsByID<Sprite>(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<std::reference_wrapper<Rigidbody>> rigidbodyOfEntity3 = ComponentManager::GetInstance().GetComponentsByID<Rigidbody>(gameObect3.mId);
-	for(Rigidbody& rigidbodyEntity3 : rigidbodyOfEntity3) {
-		std::cout << "Rigidbody of entity 3: " << rigidbodyEntity3.mMass << " " << rigidbodyEntity3.mGravityScale << " " << rigidbodyEntity3.mBodyType << std::endl;
+	std::vector<std::reference_wrapper<Sprite>> 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::pair<std::reference_wrapper<Sprite>, std::uint32_t>> sprites = ComponentManager::GetInstance().GetComponentsByType<Sprite>();
-	for(auto& [sprite, id] : sprites) {
-		std::cout << "Sprite of id: " << id << ": " << sprite.get().mPath << std::endl;
+	std::vector<std::reference_wrapper<Rigidbody>> 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::pair<std::reference_wrapper<Colider>, std::uint32_t>> coliders = ComponentManager::GetInstance().GetComponentsByType<Colider>();
-	for(auto& [colider, id] : coliders) {
-		std::cout << "Colder of id: " << id << ": " << colider.get().mSize << std::endl;
+	std::vector<std::reference_wrapper<Colider>> 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::pair<std::reference_wrapper<Rigidbody>, std::uint32_t>> rigidBodies = ComponentManager::GetInstance().GetComponentsByType<Rigidbody>();
-	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::pair<std::reference_wrapper<Rigidbody>, std::uint32_t>> rigidBodies2 = ComponentManager::GetInstance().GetComponentsByType<Rigidbody>();
-	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<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;
 }
-- 
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