Added functionality for scripts

8 files changed, 91 insertions, 5 deletions

diff --git a/mwe/ecs-homemade/inc/ComponentManager.h b/mwe/ecs-homemade/inc/ComponentManager.h
index d368516..2cdbb66 100644
--- a/mwe/ecs-homemade/inc/ComponentManager.h
+++ b/mwe/ecs-homemade/inc/ComponentManager.h
@@ -18,7 +18,7 @@ public:
 	ComponentManager & operator=(ComponentManager &&) = delete; //Singleton
 
 	template <typename T, typename... Args>
-	void AddComponent(std::uint32_t id,
+	T& AddComponent(std::uint32_t id,
 					  Args &&... args); //Add a component of a specific type
 	template <typename T>
 	void DeleteComponentsById(
diff --git a/mwe/ecs-homemade/inc/ComponentManager.hpp b/mwe/ecs-homemade/inc/ComponentManager.hpp
index d6da8e8..a120ab1 100644
--- a/mwe/ecs-homemade/inc/ComponentManager.hpp
+++ b/mwe/ecs-homemade/inc/ComponentManager.hpp
@@ -1,6 +1,6 @@
 
 template <typename T, typename... Args>
-void ComponentManager::AddComponent(std::uint32_t id, Args &&... args) {
+T& 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<>)
 
@@ -21,6 +21,8 @@ void ComponentManager::AddComponent(std::uint32_t id, Args &&... args) {
 
 	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<>
+
+	return static_cast<T&>(*mComponents[type][id].back().get());
 }
 
 template <typename T>
diff --git a/mwe/ecs-homemade/inc/Components.h b/mwe/ecs-homemade/inc/Components.h
index 98c5fe7..b392fd0 100644
--- a/mwe/ecs-homemade/inc/Components.h
+++ b/mwe/ecs-homemade/inc/Components.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <string>
+#include <memory>
 
 class Component {
 public:
@@ -31,3 +32,35 @@ public:
 
 	int mSize;
 };
+
+class IBehaviour {
+public:
+	virtual ~IBehaviour() = default;
+	virtual void onStart() = 0;
+	virtual void onUpdate() = 0;
+};
+
+template<typename T>
+class BehaviourWrapper : public IBehaviour {
+public:
+	BehaviourWrapper();
+	void onStart() override;
+	void onUpdate() override;
+
+private:
+	T instance;
+};
+
+class BehaviourScript : public Component {
+public:
+	template<typename T>
+	void addScript();
+
+	void onStart();
+	void onUpdate();
+
+private:
+	std::unique_ptr<IBehaviour> behaviour;
+};
+
+#include "Components.hpp"
diff --git a/mwe/ecs-homemade/inc/Components.hpp b/mwe/ecs-homemade/inc/Components.hpp
new file mode 100644
index 0000000..85da5a5
--- /dev/null
+++ b/mwe/ecs-homemade/inc/Components.hpp
@@ -0,0 +1,20 @@
+#include "Components.h"
+#include <iostream>
+
+template<typename T>
+BehaviourWrapper<T>::BehaviourWrapper()  : instance() {}
+
+template<typename T>
+void BehaviourWrapper<T>::onStart() {
+	instance.onStart();
+}
+
+template<typename T>
+void BehaviourWrapper<T>::onUpdate() {
+	instance.onUpdate();
+}
+
+template<typename T>
+void BehaviourScript::addScript() {
+	behaviour = std::make_unique<BehaviourWrapper<T>>();
+}
diff --git a/mwe/ecs-homemade/inc/GameObjectMax.h b/mwe/ecs-homemade/inc/GameObjectMax.h
index 3029053..c6af50a 100644
--- a/mwe/ecs-homemade/inc/GameObjectMax.h
+++ b/mwe/ecs-homemade/inc/GameObjectMax.h
@@ -8,7 +8,7 @@ public:
 	GameObject(std::uint32_t id, std::string name, std::string tag, int layer);
 
 	template <typename T, typename... Args>
-	void AddComponent(Args &&... args);
+	T& AddComponent(Args &&... args);
 
 	std::uint32_t mId;
 	std::string mName;
diff --git a/mwe/ecs-homemade/inc/GameObjectMax.hpp b/mwe/ecs-homemade/inc/GameObjectMax.hpp
index 91d51ea..4104589 100644
--- a/mwe/ecs-homemade/inc/GameObjectMax.hpp
+++ b/mwe/ecs-homemade/inc/GameObjectMax.hpp
@@ -1,7 +1,7 @@
 #include "ComponentManager.h"
 
 template <typename T, typename... Args>
-void GameObject::AddComponent(Args &&... args) {
-	ComponentManager::GetInstance().AddComponent<T>(
+T& GameObject::AddComponent(Args &&... args) {
+	return ComponentManager::GetInstance().AddComponent<T>(
 		mId, std::forward<Args>(args)...);
 }
diff --git a/mwe/ecs-homemade/src/Components.cpp b/mwe/ecs-homemade/src/Components.cpp
index c8347b3..e6a4673 100644
--- a/mwe/ecs-homemade/src/Components.cpp
+++ b/mwe/ecs-homemade/src/Components.cpp
@@ -9,3 +9,15 @@ Rigidbody::Rigidbody(int mass, int gravityScale, int bodyType)
 	: mMass(mass), mGravityScale(gravityScale), mBodyType(bodyType) {}
 
 Colider::Colider(int size) : mSize(size) {}
+
+void BehaviourScript::onStart() {
+	if(behaviour) {
+		behaviour->onStart();
+	}
+}
+
+void BehaviourScript::onUpdate() {
+	if(behaviour) {
+		behaviour->onUpdate();
+	}
+}
diff --git a/mwe/ecs-homemade/src/main.cpp b/mwe/ecs-homemade/src/main.cpp
index 330e154..e4a8bda 100644
--- a/mwe/ecs-homemade/src/main.cpp
+++ b/mwe/ecs-homemade/src/main.cpp
@@ -7,6 +7,17 @@
 #include "Components.h"
 #include "GameObjectMax.h"
 
+class myScript {
+public:
+	void onStart() {
+		std::cout << "In onStart" << std::endl;
+	}
+
+	void onUpdate() {
+		std::cout << "In onUpdate" << std::endl;
+	}
+};
+
 int main() {
 	auto startAdding = std::chrono::high_resolution_clock::now();
 
@@ -18,6 +29,7 @@ int main() {
 		gameObject[i]->AddComponent<Sprite>("C:/Test");
 		gameObject[i]->AddComponent<Rigidbody>(0, 0, i);
 		gameObject[i]->AddComponent<Colider>(i);
+		gameObject[i]->AddComponent<BehaviourScript>().addScript<myScript>();
 	}
 
 	auto stopAdding = std::chrono::high_resolution_clock::now();
@@ -44,6 +56,13 @@ int main() {
 		//std::cout << colider.get().mSize << std::endl;
 	}
 
+	std::vector<std::reference_wrapper<BehaviourScript>> scripts
+		= ComponentManager::GetInstance().GetComponentsByType<BehaviourScript>();
+	for (BehaviourScript & script : scripts) {
+		//script.onStart();
+		//script.onUpdate();
+	}
+
 	auto stopLooping = std::chrono::high_resolution_clock::now();
 
 	for (int i = 0; i < 100000; ++i) {