From 0b6a5731401348ab5931a80e07e134ae460d9955 Mon Sep 17 00:00:00 2001
From: Max-001 <80035972+Max-001@users.noreply.github.com>
Date: Wed, 2 Oct 2024 16:37:47 +0200
Subject: Added DeleteComponentsById<> method

---
 mwe/ecs-homemade/inc/ComponentManager.hpp | 8 +++++++-
 mwe/ecs-homemade/src/main.cpp             | 4 ++--
 2 files changed, 9 insertions(+), 3 deletions(-)

(limited to 'mwe/ecs-homemade')

diff --git a/mwe/ecs-homemade/inc/ComponentManager.hpp b/mwe/ecs-homemade/inc/ComponentManager.hpp
index e6523ca..75b2ab1 100644
--- a/mwe/ecs-homemade/inc/ComponentManager.hpp
+++ b/mwe/ecs-homemade/inc/ComponentManager.hpp
@@ -18,7 +18,13 @@ 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<>)
 
-	
+	if (mComponents.find(type) != mComponents.end()) {	//Find the type (in the unordered_map<>)
+		std::vector<std::vector<std::unique_ptr<Component>>>& 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 <typename T>
diff --git a/mwe/ecs-homemade/src/main.cpp b/mwe/ecs-homemade/src/main.cpp
index e1ca9e9..f0b94f0 100644
--- a/mwe/ecs-homemade/src/main.cpp
+++ b/mwe/ecs-homemade/src/main.cpp
@@ -69,8 +69,8 @@ int main() {
 	}
 	std::cout << std::endl;
 
-	ComponentManager::GetInstance().DeleteComponents<Sprite>();
-	gameObect5.AddComponent<Sprite>();
+	ComponentManager::GetInstance().DeleteComponentsById<Sprite>(gameObect2.mId);
+	gameObect2.AddComponent<Sprite>();
 
 	std::cout << "Finding all rigidbodies of entity 3" << std::endl;
 	std::vector<std::reference_wrapper<Rigidbody>> rigidbodyOfEntity3 = ComponentManager::GetInstance().GetComponentsByID<Rigidbody>(gameObect3.mId);
-- 
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