From b58395bfae0465bb22c33a781a36e32892bd0847 Mon Sep 17 00:00:00 2001
From: Alexandre Tolstenko <tolstenko@gmail.com>
Date: Tue, 22 Nov 2022 17:11:45 -0500
Subject: [PATCH] feat: lots of basic code

---
 engine/CMakeLists.txt |  2 +-
 engine/Component.cpp  |  1 +
 engine/Component.h    | 18 ++++++++++++++++++
 engine/GameObject.h   | 25 ++++++++++++++++++++++++-
 engine/Transform.cpp  |  5 +++++
 engine/Transform.h    |  8 ++++++++
 6 files changed, 57 insertions(+), 2 deletions(-)
 create mode 100644 engine/Component.cpp
 create mode 100644 engine/Component.h
 create mode 100644 engine/Transform.cpp
 create mode 100644 engine/Transform.h

diff --git a/engine/CMakeLists.txt b/engine/CMakeLists.txt
index 9938c5e4..b4ed6e0e 100644
--- a/engine/CMakeLists.txt
+++ b/engine/CMakeLists.txt
@@ -20,7 +20,7 @@ SET(ENGINE_INC_DIR ${CMAKE_CURRENT_SOURCE_DIR} CACHE PATH "ENGINE INCLUDE SOURCE
 
 add_library (engine STATIC ${ENGINE_SRC} ${ENGINE_SRC_COMPONENTS} ${ENGINE_INC} ${ENGINE_INC_COMPONENTS})
 
-#target_link_libraries(engine libglew_static)
+target_link_libraries(engine glm)
 
 IF(EMSCRIPTEN)
     target_compile_options(engine PUBLIC "-O0")
diff --git a/engine/Component.cpp b/engine/Component.cpp
new file mode 100644
index 00000000..0cc69a81
--- /dev/null
+++ b/engine/Component.cpp
@@ -0,0 +1 @@
+#include "Component.h"
diff --git a/engine/Component.h b/engine/Component.h
new file mode 100644
index 00000000..4e7a600f
--- /dev/null
+++ b/engine/Component.h
@@ -0,0 +1,18 @@
+#ifndef MOBAGEN_ENGINE_COMPONENT_H_
+#define MOBAGEN_ENGINE_COMPONENT_H_
+
+#include "Object.h"
+class Component: public Object {
+ private:
+  // todo: add active and enabled logic
+  // todo: access the reference of the game object and the transform
+ public:
+  Component()= default;
+  virtual void Start(){};
+  virtual void OnGui(){};
+  virtual void OnDraw(){};
+  virtual void Update(){};
+  // todo: get the transform and game object associated
+};
+
+#endif //MOBAGEN_ENGINE_COMPONENT_H_
diff --git a/engine/GameObject.h b/engine/GameObject.h
index 3dc5615a..f4531eb0 100644
--- a/engine/GameObject.h
+++ b/engine/GameObject.h
@@ -1,8 +1,31 @@
 #ifndef MOBAGEN_ENGINE_GAMEOBJECT_H_
 #define MOBAGEN_ENGINE_GAMEOBJECT_H_
 
-class GameObject {
+#include "Object.h"
+#include "Transform.h"
+// a game object attaches components/behaviors
+class GameObject: public Object {
+ private:
+  Transform _transform;
+ public:
+  const Transform& transform() const { return _transform; }
 
+ public:
+  template<class T>
+  std::vector<T> GetComponents();
+
+  template<class T>
+  std::vector<T> GetComponentsInChildren();
+
+  template<class T>
+  std::vector<T> GetComponentsInParent();
+
+  template<class T>
+  T* AddComponent();
+
+  static GameObject* Find(std::string name);
+
+  // todo: tag, layer, sendmessage
 };
 
 #endif //MOBAGEN_ENGINE_GAMEOBJECT_H_
diff --git a/engine/Transform.cpp b/engine/Transform.cpp
new file mode 100644
index 00000000..e5cf4fa4
--- /dev/null
+++ b/engine/Transform.cpp
@@ -0,0 +1,5 @@
+//
+// Created by atolstenko on 11/22/2022.
+//
+
+#include "Transform.h"
diff --git a/engine/Transform.h b/engine/Transform.h
new file mode 100644
index 00000000..5496f22b
--- /dev/null
+++ b/engine/Transform.h
@@ -0,0 +1,8 @@
+#ifndef MOBAGEN_ENGINE_TRANSFORM_H_
+#define MOBAGEN_ENGINE_TRANSFORM_H_
+
+class Transform {
+
+};
+
+#endif //MOBAGEN_ENGINE_TRANSFORM_H_