From 5e175a34388d364edfbbc382749bd98aa2be8157 Mon Sep 17 00:00:00 2001
From: Logan Aerl Arias <logana@srb2.org>
Date: Sat, 10 Feb 2024 19:29:48 +0000
Subject: [PATCH] add Visual Studio 2022 support (via CMAKE)

---
 CMakePresets.json           |  2 --
 cmake/CPM.cmake             |  2 +-
 cmake/Comptime.cmake        |  2 +-
 src/sdl/CMakeLists.txt      |  4 ++++
 src/sdl/i_main.c            |  2 +-
 src/win32/Srb2win.rc        |  2 +-
 thirdparty/cpm-libgme.cmake |  2 +-
 thirdparty/cpm-sdl2.cmake   | 28 +++++++++++++++++++++-------
 8 files changed, 30 insertions(+), 14 deletions(-)

diff --git a/CMakePresets.json b/CMakePresets.json
index 7713bb385..effea7260 100644
--- a/CMakePresets.json
+++ b/CMakePresets.json
@@ -6,8 +6,6 @@
 			"description": "Build using default generator",
 			"binaryDir": "build",
 			"cacheVariables": {
-				"CMAKE_C_FLAGS": "-fdiagnostics-color",
-				"CMAKE_CXX_FLAGS": "-fdiagnostics-color",
 				"CMAKE_BUILD_TYPE": "RelWithDebInfo"
 			}
 		},
diff --git a/cmake/CPM.cmake b/cmake/CPM.cmake
index 772103fc3..fba27d2fe 100644
--- a/cmake/CPM.cmake
+++ b/cmake/CPM.cmake
@@ -1,4 +1,4 @@
-set(CPM_DOWNLOAD_VERSION 0.36.0)
+set(CPM_DOWNLOAD_VERSION 0.38.7)
 
 if(CPM_SOURCE_CACHE)
   set(CPM_DOWNLOAD_LOCATION "${CPM_SOURCE_CACHE}/cpm/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
diff --git a/cmake/Comptime.cmake b/cmake/Comptime.cmake
index 8388aed9e..c609efee4 100644
--- a/cmake/Comptime.cmake
+++ b/cmake/Comptime.cmake
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
 
 set(CMAKE_BINARY_DIR "${BINARY_DIR}")
 set(CMAKE_CURRENT_BINARY_DIR "${BINARY_DIR}")
diff --git a/src/sdl/CMakeLists.txt b/src/sdl/CMakeLists.txt
index 4c4cdafb6..5aca04d12 100644
--- a/src/sdl/CMakeLists.txt
+++ b/src/sdl/CMakeLists.txt
@@ -58,6 +58,10 @@ if("${CMAKE_SYSTEM_NAME}" MATCHES Darwin)
 	)
 endif()
 
+if("${CMAKE_SYSTEM_NAME}" MATCHES Windows)
+	target_link_libraries(SRB2SDL2 PRIVATE SDL2::SDL2main)
+endif()
+
 if(NOT "${SRB2_CONFIG_SYSTEM_LIBRARIES}" AND NOT "${SRB2_CONFIG_SHARED_INTERNAL_LIBRARIES}")
 	target_link_libraries(SRB2SDL2 PRIVATE SDL2::SDL2-static SDL2_mixer::SDL2_mixer-static)
 else()
diff --git a/src/sdl/i_main.c b/src/sdl/i_main.c
index 3eeacd835..f5fe9fb04 100644
--- a/src/sdl/i_main.c
+++ b/src/sdl/i_main.c
@@ -41,7 +41,7 @@
 #endif
 
 #if defined (_WIN32) && !defined (main)
-//#define SDLMAIN
+#define SDLMAIN
 #endif
 
 #ifdef SDLMAIN
diff --git a/src/win32/Srb2win.rc b/src/win32/Srb2win.rc
index b69900746..8f3a43268 100644
--- a/src/win32/Srb2win.rc
+++ b/src/win32/Srb2win.rc
@@ -31,7 +31,7 @@ LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
 #define CREATEPROCESS_MANIFEST_RESOURCE_ID 1
 #endif
 
-CREATEPROCESS_MANIFEST_RESOURCE_ID RT_MANIFEST srb2win.exe.manifest
+/* CREATEPROCESS_MANIFEST_RESOURCE_ID RT_MANIFEST srb2win.exe.manifest */
 
 /////////////////////////////////////////////////////////////////////////////
 //
diff --git a/thirdparty/cpm-libgme.cmake b/thirdparty/cpm-libgme.cmake
index f15bc3b31..20949f975 100644
--- a/thirdparty/cpm-libgme.cmake
+++ b/thirdparty/cpm-libgme.cmake
@@ -12,5 +12,5 @@ CPMAddPackage(
 if(libgme_ADDED)
 	target_compile_features(gme PRIVATE cxx_std_11)
 	# libgme's CMakeLists.txt already links this
-	#target_link_libraries(gme PRIVATE ZLIB::ZLIB)
+	target_link_libraries(gme PRIVATE ZLIB::ZLIB)
 endif()
diff --git a/thirdparty/cpm-sdl2.cmake b/thirdparty/cpm-sdl2.cmake
index 58cf9afc2..365ae5a06 100644
--- a/thirdparty/cpm-sdl2.cmake
+++ b/thirdparty/cpm-sdl2.cmake
@@ -1,13 +1,27 @@
+set(
+	internal_sdl2_options
+
+		"BUILD_SHARED_LIBS ${SRB2_CONFIG_SHARED_INTERNAL_LIBRARIES}"
+		"SDL_SHARED ${SRB2_CONFIG_SHARED_INTERNAL_LIBRARIES}"
+		"SDL_STATIC ${NOT_SRB2_CONFIG_SHARED_INTERNAL_LIBRARIES}"
+		"SDL_TEST OFF"
+		"SDL2_DISABLE_INSTALL ON"
+)
+
+if(${CMAKE_SYSTEM} MATCHES Windows)
+	list(APPEND internal_sdl2_options "SDL2_DISABLE_SDL2MAIN OFF")
+endif()
+if(${CMAKE_SYSTEM} MATCHES Darwin)
+	list(APPEND internal_sdl2_options "SDL2_DISABLE_SDL2MAIN OFF")
+endif()
+if(${CMAKE_SYSTEM} MATCHES Linux)
+	list(APPEND internal_sdl2_options "SDL2_DISABLE_SDL2MAIN ON")
+endif()
+
 CPMAddPackage(
 	NAME SDL2
 	VERSION 2.24.2
 	URL "https://github.com/libsdl-org/SDL/archive/refs/tags/release-2.24.2.zip"
 	EXCLUDE_FROM_ALL ON
-	OPTIONS
-		"BUILD_SHARED_LIBS ${SRB2_CONFIG_SHARED_INTERNAL_LIBRARIES}"
-		"SDL_SHARED ${SRB2_CONFIG_SHARED_INTERNAL_LIBRARIES}"
-		"SDL_STATIC ${NOT_SRB2_CONFIG_SHARED_INTERNAL_LIBRARIES}"
-		"SDL_TEST OFF"
-		"SDL2_DISABLE_SDL2MAIN ON"
-		"SDL2_DISABLE_INSTALL ON"
+	OPTIONS ${internal_sdl2_options}
 )