From a4a16f4a5243ff5e65a7ccba51cf26ef898b6917 Mon Sep 17 00:00:00 2001
From: Riyyi <riyyi3@gmail.com>
Date: Wed, 13 Jan 2021 14:41:36 +0100
Subject: [PATCH] Add components and scene

---
 inferno/src/inferno/scene/components.h | 28 ++++++++++++++++++
 inferno/src/inferno/scene/scene.cpp    | 40 ++++++++++++++++++++++++++
 inferno/src/inferno/scene/scene.h      | 28 ++++++++++++++++++
 3 files changed, 96 insertions(+)
 create mode 100644 inferno/src/inferno/scene/components.h
 create mode 100644 inferno/src/inferno/scene/scene.cpp
 create mode 100644 inferno/src/inferno/scene/scene.h

diff --git a/inferno/src/inferno/scene/components.h b/inferno/src/inferno/scene/components.h
new file mode 100644
index 0000000..1fb0dfb
--- /dev/null
+++ b/inferno/src/inferno/scene/components.h
@@ -0,0 +1,28 @@
+#ifndef COMPONENTS_H
+#define COMPONENTS_H
+
+#include <string> // std::string
+
+#include "glm/ext/vector_float3.hpp" // glm::vec3
+
+namespace Inferno {
+
+	struct TagComponent {
+		std::string tag;
+
+		TagComponent() = default;
+		TagComponent(const std::string& tag)
+			: tag(tag) {}
+
+		operator const std::string&() const { return tag; }
+	};
+
+	struct TransformComponent {
+		glm::vec3 translate = { 0.0f, 0.0f, 0.0f };
+		glm::vec3 rotate = { 0.0f, 0.0f, 0.0f } ;
+		glm::vec3 scale = { 1.0f, 1.0f, 1.0f };
+	};
+
+}
+
+#endif // COMPONENTS_H
diff --git a/inferno/src/inferno/scene/scene.cpp b/inferno/src/inferno/scene/scene.cpp
new file mode 100644
index 0000000..f821c65
--- /dev/null
+++ b/inferno/src/inferno/scene/scene.cpp
@@ -0,0 +1,40 @@
+#include "inferno/log.h"
+#include "inferno/scene/components.h"
+#include "inferno/scene/entity.h"
+#include "inferno/scene/scene.h"
+
+namespace Inferno {
+
+	Scene::Scene()
+	{
+		m_registry = std::make_shared<entt::registry>();
+
+		Entity entity = createEntity("Test Entity");
+
+		dbg() << entity.get<TagComponent>();
+
+		if (entity) {
+			dbg() << "Entity is valid";
+		}
+	}
+
+	Entity Scene::createEntity(const std::string& name)
+	{
+		Entity entity = Entity(m_registry);
+		entity.add<TagComponent>(name.empty() ? "Unnamed Entity" : name);
+		entity.add<TransformComponent>();
+
+		return entity;
+	}
+
+	Entity Scene::createEntity(entt::entity handle)
+	{
+		return Entity(m_registry, handle);
+	}
+
+	Entity Scene::createEntity(uint32_t handle)
+	{
+		return Entity(m_registry, handle);
+	}
+
+}
diff --git a/inferno/src/inferno/scene/scene.h b/inferno/src/inferno/scene/scene.h
new file mode 100644
index 0000000..cd4398e
--- /dev/null
+++ b/inferno/src/inferno/scene/scene.h
@@ -0,0 +1,28 @@
+#ifndef SCENE_H
+#define SCENE_H
+
+#include <cstdint> // uint32_t
+#include <memory> // std::shared_ptr
+
+#include "entt/entity/registry.hpp"    // entt::entity, entt::registry
+
+namespace Inferno {
+
+	class Entity;
+
+	class Scene {
+	public:
+		Scene();
+		virtual ~Scene() = default;
+
+		Entity createEntity(const std::string& name = "");
+		Entity createEntity(entt::entity handle);
+		Entity createEntity(uint32_t handle);
+
+	private:
+		std::shared_ptr<entt::registry> m_registry;
+	};
+
+}
+
+#endif // SCENE_H