Remove unnecessary lib, format and change display class

.clang-format

@@ -0,0 +1,9 @@
+---
+# We'll use defaults from the LLVM style, but with 4 columns indentation.
+BasedOnStyle: LLVM
+IndentWidth: 4
+---
+Language: Cpp
+# Force pointers to the type for C++.
+DerivePointerAlignment: false
+PointerAlignment: Left

.gitignore

@@ -1 +1,2 @@
-build
+build
+bin

.vscode/c_cpp_properties.json

@@ -0,0 +1,24 @@
+{
+    "configurations": [
+        {
+            "name": "Win32",
+            "includePath": [
+                "${workspaceFolder}/**",
+                "${vcpkgRoot}/x64-windows-static/include",
+                "${workspaceFolder}/build/_deps/sdl2-build/include"
+            ],
+            "defines": [
+                "_DEBUG",
+                "UNICODE",
+                "_UNICODE"
+            ],
+            "windowsSdkVersion": "10.0.22000.0",
+            "compilerPath": "cl.exe",
+            "cStandard": "c17",
+            "cppStandard": "c++17",
+            "intelliSenseMode": "windows-msvc-x64",
+            "configurationProvider": "ms-vscode.cmake-tools"
+        }
+    ],
+    "version": 4
+}

.vscode/settings.json

@@ -0,0 +1,61 @@
+{
+    "files.associations": {
+        "array": "cpp",
+        "atomic": "cpp",
+        "bit": "cpp",
+        "*.tcc": "cpp",
+        "cctype": "cpp",
+        "chrono": "cpp",
+        "clocale": "cpp",
+        "cmath": "cpp",
+        "compare": "cpp",
+        "concepts": "cpp",
+        "condition_variable": "cpp",
+        "cstdarg": "cpp",
+        "cstddef": "cpp",
+        "cstdint": "cpp",
+        "cstdio": "cpp",
+        "cstdlib": "cpp",
+        "cstring": "cpp",
+        "ctime": "cpp",
+        "cwchar": "cpp",
+        "cwctype": "cpp",
+        "deque": "cpp",
+        "string": "cpp",
+        "unordered_map": "cpp",
+        "vector": "cpp",
+        "exception": "cpp",
+        "algorithm": "cpp",
+        "functional": "cpp",
+        "iterator": "cpp",
+        "memory": "cpp",
+        "memory_resource": "cpp",
+        "numeric": "cpp",
+        "random": "cpp",
+        "ratio": "cpp",
+        "string_view": "cpp",
+        "system_error": "cpp",
+        "tuple": "cpp",
+        "type_traits": "cpp",
+        "utility": "cpp",
+        "fstream": "cpp",
+        "initializer_list": "cpp",
+        "iosfwd": "cpp",
+        "iostream": "cpp",
+        "istream": "cpp",
+        "limits": "cpp",
+        "mutex": "cpp",
+        "new": "cpp",
+        "numbers": "cpp",
+        "ostream": "cpp",
+        "semaphore": "cpp",
+        "span": "cpp",
+        "sstream": "cpp",
+        "stdexcept": "cpp",
+        "stop_token": "cpp",
+        "streambuf": "cpp",
+        "thread": "cpp",
+        "cinttypes": "cpp",
+        "typeinfo": "cpp"
+    }
+}

CMakeLists.txt

@@ -4,27 +4,26 @@ project(chip8
     LANGUAGES CXX
     VERSION "0.1"
     DESCRIPTION "chip8 emulator"
-    HOMEPAGE_URL "")
+    HOMEPAGE_URL "https://github.com/dm67x/chip8")
 
-set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin)
 set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-if (MINGW OR MSVC)
-    list(APPEND EXTRA_LIBS vcruntime user32 gdi32 winmm imm32 ole32 oleaut32 version uuid advapi32 shell32)
-endif ()
+include(Dependencies.cmake)
+find_package(SDL2 REQUIRED)
 
-add_subdirectory(extern/SDL2)
-include_directories(extern/SDL2/include)
-
-add_executable(chip8 "src/chip8.cpp")
-if (MINGW)
-    target_link_libraries(chip8 mingw32 SDL2main SDL2-static)
-else ()
-    target_link_libraries(chip8 SDL2main SDL2-static)
-endif ()
+add_executable(chip8 "src/chip8.cc")
+target_link_libraries(chip8 SDL2::SDL2main SDL2::SDL2-static)
 
 target_compile_options(chip8 PRIVATE
   $<$<CXX_COMPILER_ID:MSVC>:/W4 /WX>
   $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wall -Wextra -pedantic -Werror>
+)
+
+add_custom_command(
+  TARGET chip8 POST_BUILD
+  COMMAND ${CMAKE_COMMAND} -E copy_directory
+    ${CMAKE_SOURCE_DIR}/roms/
+    $<TARGET_FILE_DIR:chip8>
 )

Dependencies.cmake

@@ -0,0 +1,12 @@
+include(FetchContent)
+FetchContent_Declare(
+    SDL2
+    GIT_REPOSITORY https://github.com/libsdl-org/SDL.git
+    GIT_TAG ac13ca9ab691e13e8eebe9684740ddcb0d716203
+    OVERRIDE_FIND_PACKAGE
+)
+
+set(SDL2_DISABLE_INSTALL ON CACHE BOOL "" FORCE)
+set(SDL2_DISABLE_UNINSTALL ON CACHE BOOL "" FORCE)
+set(SDL_SHARED OFF CACHE BOOL "" FORCE)
+set(SDL_TEST OFF CACHE BOOL "" FORCE)