From ab7d4add6cf554dafe8de139b7a23520c2000007 Mon Sep 17 00:00:00 2001
From: jonny_jr9 <jonny@wwad.de>
Date: Tue, 7 Nov 2023 15:20:47 +0100
Subject: [PATCH] Add CMake file for LINUX/WINDOWS compatibility

Due to developers working on windows and linux the compilation process
should be compatible thus using CMAKE.

Tested this configuration on both systems, currently works well and
finds the SDL2 library when installed.
---
 CMakeLists.txt | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..527d374
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,46 @@
+cmake_minimum_required(VERSION 3.7)
+
+project(Snake)
+
+
+#--- SDL2 location on Windows ---
+if(WIN32)
+    # Specify downloaded SDL2 library folder location
+    set(SDL2_FOLDER "${CMAKE_SOURCE_DIR}/SDL2/")
+
+    set(SDL2_INCLUDE_DIRS "${SDL2_FOLDER}/include")
+    set(SDL2_LIBS "${SDL2_FOLDER}/lib/x64/SDL2.lib")
+    set(SDL2_DLLS "${SDL2_FOLDER}/lib/x64/SDL2.dll")
+    set(SDL2_DIR "${SDL2_FOLDER}/cmake/")
+    # On Linux, the library is found automatically if installed
+endif()
+
+
+# --- Locate SDL2 ---
+# Uses SDL2_DIR on Windows, on Linux it's found automatically
+find_package(SDL2 REQUIRED) 
+include_directories(${SDL2_INCLUDE_DIRS})
+
+
+#--- Include directories ---
+include_directories(${SDL2_INCLUDE_DIRS} ./)
+
+
+# --- Source files ---
+# Note: When new files are added, CMake has to be re-run
+# Alternatively, list files manually here
+file(GLOB SOURCES
+    "*.cpp"
+    "*.c"
+)
+add_executable(Snake main.cpp)
+target_link_libraries(Snake ${SDL2_LIBRARIES})
+
+
+# --- Copy SDL2 DLLs to the output folder on Windows ---
+if(WIN32)
+    foreach(DLL ${SDL2_DLLS})
+        add_custom_command(TARGET Snake POST_BUILD COMMAND
+            ${CMAKE_COMMAND} -E copy_if_different ${DLL} $<TARGET_FILE_DIR:Snake>)
+    endforeach()
+endif()
\ No newline at end of file