WIP first smoke test

tests/smoke/hello_cube/CMakeLists.txt

@@ -0,0 +1,17 @@
+cmake_minimum_required (VERSION 3.14)
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+if (WIN32)
+  add_executable(kraken_cube WIN32 main.cpp)
+  add_compile_definitions(UNICODE)
+else(WIN32)
+  add_executable(kraken_cube main.cpp)
+  set(CMAKE_CXX_COMPILER "clang++")
+endif(WIN32)
+
+target_include_directories(kraken_cube PRIVATE ${CMAKE_SOURCE_DIR}/hydra/include ${CMAKE_SOURCE_DIR}/kraken/public) 
+
+TARGET_LINK_LIBRARIES( kraken_cube kraken ${EXTRA_LIBS} )
+

tests/smoke/hello_cube/main.cpp

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+#include <windows.h>
+#include "kraken.h"
+
+using namespace kraken;
+
+LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
+
+int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
+{
+  MSG msg = { 0 };
+  WNDCLASS wc = { 0 };
+  wc.lpfnWndProc = WndProc;
+  wc.hInstance = hInstance;
+  wc.hbrBackground = (HBRUSH)(COLOR_BACKGROUND);
+  wc.lpszClassName = L"krakensmoke";
+  if (!RegisterClass(&wc))
+    return 1;
+
+  if (!CreateWindow(wc.lpszClassName,
+    L"Kraken Smoke: Cube",
+    WS_OVERLAPPEDWINDOW | WS_VISIBLE,
+    0, 0, 640, 480, 0, 0, hInstance, NULL))
+    return 2;
+
+  while (GetMessage(&msg, NULL, 0, 0) > 0)
+    DispatchMessage(&msg);
+
+  return 0;
+}
+
+LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
+{
+
+  switch (message)
+  {
+  case WM_CLOSE:
+    PostQuitMessage(0);
+    break;
+  default:
+    return DefWindowProc(hWnd, message, wParam, lParam);
+  }
+  return 0;
+
+}