From beaa71168b2e12a5ea93278d6864fd4b929e2607 Mon Sep 17 00:00:00 2001
From: Michael Malura <github@malura.me>
Date: Wed, 20 Jun 2018 19:33:43 +0200
Subject: [PATCH 1/2] Make projekt cmake compatible

---
 CMakeLists.txt | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..606e6aa
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 3.11)
+
+project(entity VERSION 1.0.0 LANGUAGES CXX)
+
+add_library(entity
+  entity/world.cpp
+  entity/system.cpp
+  entity/event.cpp
+  entity/entity.cpp
+  entity/component.cpp
+)
+
+target_compile_features(entity PRIVATE cxx_std_17)
+
+target_include_directories(entity
+  PUBLIC
+  ${CMAKE_CURRENT_SOURCE_DIR}
+)

From e55eddf7f20b2eb19098506341936d486c8704d7 Mon Sep 17 00:00:00 2001
From: Michael Malura <github@malura.me>
Date: Wed, 20 Jun 2018 19:37:30 +0200
Subject: [PATCH 2/2] Fix typo in readme and example

---
 README.md   |  4 ++--
 example.cpp | 58 +++++++++++++++++++++++++++--------------------------
 2 files changed, 32 insertions(+), 30 deletions(-)

diff --git a/README.md b/README.md
index 5de92f9..198b77e 100644
--- a/README.md
+++ b/README.md
@@ -61,8 +61,8 @@ public:
         for (auto e : GetEntities()) {
             auto &position = e.GetComponent<PositionComponent>();
             const auto &velocity = e.GetComponent<VelocityComponent>();
-            position.x += velocity.x;
-            position.y += velocity.y;
+            position.x += velocity.dx;
+            position.y += velocity.dy;
         }
     }
 };
diff --git a/example.cpp b/example.cpp
index 1748618..bafb5d4 100644
--- a/example.cpp
+++ b/example.cpp
@@ -4,50 +4,52 @@ using namespace entity;
 
 struct PositionComponent
 {
-    PositionComponent(int x = 0, int y = 0) : x(x), y(y) {}
-    int x, y;
+  PositionComponent(int x = 0, int y = 0) : x(x), y(y) {}
+  int x, y;
 };
 
 struct VelocityComponent
 {
-    VelocityComponent(int dx = 0, int dy = 0) : dx(dx), dy(dy) {}
-    int dx, dy;
+  VelocityComponent(int dx = 0, int dy = 0) : dx(dx), dy(dy) {}
+  int dx, dy;
 };
 
 class MoveSystem : public System
 {
 public:
-    MoveSystem()
-    {
-        RequireComponent<PositionComponent>();
-        RequireComponent<VelocityComponent>();
-    }
+  MoveSystem()
+  {
+    RequireComponent<PositionComponent>();
+    RequireComponent<VelocityComponent>();
+  }
 
-    void Update()
+  void Update()
+  {
+    for (auto e : GetEntities())
     {
-        for (auto e : GetEntities()) {
-            auto &position = e.GetComponent<PositionComponent>();
-            const auto velocity = e.GetComponent<VelocityComponent>();
-            position.x += velocity.x;
-            position.y += velocity.y;
-        }
+      auto &position = e.GetComponent<PositionComponent>();
+      const auto velocity = e.GetComponent<VelocityComponent>();
+      position.x += velocity.dx;
+      position.y += velocity.dy;
     }
+  }
 };
 
 int main()
 {
-    World world;
-    auto e = world.CreateEntity();
-    e.AddComponent<PositionComponent>(100, 100);
-    e.AddComponent<VelocityComponent>(10, 10);
-    world.GetSystemManager().AddSystem<MoveSystem>();
+  World world;
+  auto e = world.CreateEntity();
+  e.AddComponent<PositionComponent>(100, 100);
+  e.AddComponent<VelocityComponent>(10, 10);
+  world.GetSystemManager().AddSystem<MoveSystem>();
 
-    for (int i = 0; i < 10; i++) {
-        world.Update();
-        world.GetSystemManager().GetSystem<MoveSystem>().Update();
-        auto &position = e.GetComponent<PositionComponent>();
-        std::cout << "x: " << position.x << ", y: " << position.y << std::endl;
-    }
+  for (int i = 0; i < 10; i++)
+  {
+    world.Update();
+    world.GetSystemManager().GetSystem<MoveSystem>().Update();
+    auto &position = e.GetComponent<PositionComponent>();
+    std::cout << "x: " << position.x << ", y: " << position.y << std::endl;
+  }
 
-    return 0;
+  return 0;
 }