somewhat finished cmake.

CMakeLists.txt

@@ -5,6 +5,17 @@ project(MinecraftConsoles)
 set(BACKEND "Windows64" CACHE STRING "Backend to compile. Windows64 or Cross64")
 set_property(CACHE BACKEND PROPERTY STRINGS "Windows64" "Cross64")
 
+# assuming what the user wants, probably not best practice.
+if(NOT DEFINED CACHE{BACKEND})
+  if(WIN32)
+    set(BACKEND "Windows64")
+  else()
+    set(BACKEND "Cross64")
+  endif()
+endif()
+
+message(STATUS "Building ${BACKEND}.")
+
 if(BACKEND STREQUAL "Windows64")
   enable_language(C CXX ASM_MASM)
 else()
@@ -19,11 +30,9 @@ if(MSVC)
   set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 endif()
 
+# minecraftworld is shared with every backend. 
 include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/WorldSources.cmake")
-include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/ClientSources.cmake")
-
 list(TRANSFORM MINECRAFT_WORLD_SOURCES PREPEND "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.World/")
-list(TRANSFORM MINECRAFT_CLIENT_SOURCES PREPEND "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/")
 
 add_library(MinecraftWorld STATIC ${MINECRAFT_WORLD_SOURCES})
 target_include_directories(MinecraftWorld PRIVATE
@@ -36,73 +45,167 @@ target_compile_definitions(MinecraftWorld PRIVATE
 )
 if(MSVC)
   target_compile_options(MinecraftWorld PRIVATE
-    $<$<COMPILE_LANGUAGE:C,CXX>:/W3>
+    $<$<COMPILE_LANGUAGE:C,CXX>:/W3 /MP>
-    $<$<COMPILE_LANGUAGE:C,CXX>:/MP>
     $<$<COMPILE_LANGUAGE:CXX>:/EHsc>
   )
 endif()
 
+include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/ClientSources.cmake")
+
+# each backend is assumed to change these in some way.
+set(BACKEND_SOURCES
+  "glWrapper.cpp"
+  "stubs.cpp"
+  "stdafx.cpp"
+  "iob_shim.asm"
+  "Windows64/Iggy/gdraw/gdraw_d3d11.cpp"
+  "Windows64/KeyboardMouseInput.cpp"
+  "Windows64/Leaderboards/WindowsLeaderboardManager.cpp"
+  "Windows64/Windows64_App.cpp"
+  "Windows64/Windows64_Minecraft.cpp"
+  "Windows64/Windows64_UIController.cpp"
+  "Windows64/Network/WinsockNetLayer.cpp"
+)
+
+# remove backend specific stuff
+set(CLIENT_SHARED_SOURCES ${MINECRAFT_CLIENT_SOURCES})
+list(REMOVE_ITEM CLIENT_SHARED_SOURCES ${BACKEND_SOURCES})
+list(TRANSFORM CLIENT_SHARED_SOURCES PREPEND "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/")
+
 if(BACKEND STREQUAL "Windows64")
   if(NOT WIN32)
-    message(FATAL_ERROR "The Windows64 backend currently only supports windows.")
+    message(FATAL_ERROR "The Windows64 backend can only be built on Windows.")
   endif()
+
+  list(TRANSFORM MINECRAFT_CLIENT_SOURCES PREPEND "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/")
+
+  add_executable(MinecraftClient WIN32 ${MINECRAFT_CLIENT_SOURCES})
+  target_include_directories(MinecraftClient PRIVATE
+    "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client"
+    "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/Iggy/include"
+    "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Xbox/Sentient/Include"
+    "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.World/x64headers"
+  )
+  target_compile_definitions(MinecraftClient PRIVATE
+    $<$<CONFIG:Debug>:_LARGE_WORLDS;_DEBUG_MENUS_ENABLED;_DEBUG;_CRT_NON_CONFORMING_SWPRINTFS;_CRT_SECURE_NO_WARNINGS;_WINDOWS64>
+    $<$<NOT:$<CONFIG:Debug>>:_LARGE_WORLDS;_DEBUG_MENUS_ENABLED;_CRT_NON_CONFORMING_SWPRINTFS;_CRT_SECURE_NO_WARNINGS;_WINDOWS64>
+  )
+  if(MSVC)
+    target_compile_options(MinecraftClient PRIVATE
+      $<$<COMPILE_LANGUAGE:C,CXX>:/W /MP>
+      $<$<COMPILE_LANGUAGE:CXX>:/EHsc>
+    )
+  endif()
+
+  set_target_properties(MinecraftClient PROPERTIES
+    VS_DEBUGGER_WORKING_DIRECTORY "$<TARGET_FILE_DIR:MinecraftClient>"
+  )
+
+  target_link_libraries(MinecraftClient PRIVATE
+    MinecraftWorld
+    d3d11
+    XInput9_1_0
+    wsock32
+    legacy_stdio_definitions
+    "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/Iggy/lib/iggy_w64.lib"
+    "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/Iggy/lib/iggyperfmon_w64.lib"
+    "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/Iggy/lib/iggyexpruntime_w64.lib"
+    "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/Miles/lib/mss64.lib"
+    $<$<CONFIG:Debug>:
+      "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/4JLibs/libs/4J_Input_d.lib"
+      "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/4JLibs/libs/4J_Storage_d.lib"
+      "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/4JLibs/libs/4J_Render_PC_d.lib"
+    >
+    $<$<NOT:$<CONFIG:Debug>>:
+      "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/4JLibs/libs/4J_Input.lib"
+      "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/4JLibs/libs/4J_Storage.lib"
+      "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/4JLibs/libs/4J_Render_PC.lib"
+    >
+  )
+
+  add_custom_command(TARGET MinecraftClient POST_BUILD
+    COMMAND "${CMAKE_COMMAND}"
+      -DPROJECT_SOURCE_DIR="${CMAKE_CURRENT_SOURCE_DIR}"
+      -DOUTPUT_DIR="$<TARGET_FILE_DIR:MinecraftClient>"
+      -DCONFIGURATION=$<CONFIG>
+      -P "${CMAKE_CURRENT_SOURCE_DIR}/cmake/CopyAssets.cmake"
+    VERBATIM
+  )
+
+  set_property(DIRECTORY PROPERTY VS_STARTUP_PROJECT MinecraftClient)
 elseif(BACKEND STREQUAL "Cross64")
+  include(FetchContent)
+
+  FetchContent_Declare(glfw GIT_REPOSITORY https://github.com/glfw/glfw.git GIT_TAG 3.4)
+  set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)
+  set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)
+  set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
+  FetchContent_MakeAvailable(glfw)
+
+  set(CROSS64_DIR "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Cross64")
+  include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/Cross64Sources.cmake")
+  list(TRANSFORM CROSS64_SOURCES PREPEND "${CROSS64_DIR}")
+
+  add_executable(MinecraftClientCross64 
+    ${CLIENT_SHARED_SOURCES}
+    ${CROSS64_SOURCES}
+  )
+
+  target_include_directories(MinecraftClientCross64 PRIVATE
+    "${CROSS64_DIR}"
+    "${CROSS64_DIR}/4JLibs/inc"
+    "${CROSS64_DIR}/Glad/include"
+
+    "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client"
+    "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.World/x64headers"
+  )
+
+  if(MSVC)
+      target_compile_options(MinecraftClientCross64 PRIVATE
+        $<$<COMPILE_LANGUAGE:C,CXX>:/W3 /MP>
+        $<$<COMPILE_LANGUAGE:CXX>:/EHsc>
+      )
+  else()
+      target_compile_options(MinecraftClientCross64 PRIVATE
+        -Wall -Wextra
+      )
+  endif()
+
+  set_target_properties(MinecraftClientCross64 PROPERTIES
+    VS_DEBUGGER_WORKING_DIRECTORY "$<TARGET_FILE_DIR:MinecraftClientCross64>"
+  )
+
+  target_link_libraries(MinecraftClientCross64 PRIVATE
+    MinecraftWorld
+    glfw
+  )
+
+  if(APPLE)
+    target_link_libraries(MinecraftClientCross64 PRIVATE
+      "-framework OpenGL"
+    )
+  elseif(UNIX)
+    find_package(OpenGL REQUIRED)
+    target_link_libraries(MinecraftClientCross64 PRIVATE 
+      OpenGL::GL pthread dl
+    )
+  elseif(WIN32)
+    find_package(OpenGL REQUIRED)
+    target_link_libraries(MinecraftClientCross64 PRIVATE 
+      OpenGL::GL wsock32
+    )
+  endif()
+
+  add_custom_command(TARGET MinecraftClientCross64 POST_BUILD
+  COMMAND "${CMAKE_COMMAND}"
+    -DPROJECT_SOURCE_DIR="${CMAKE_CURRENT_SOURCE_DIR}"
+    -DOUTPUT_DIR="$<TARGET_FILE_DIR:MinecraftClientCross64>"
+    -DCONFIGURATION=$<CONFIG>
+    -P "${CMAKE_CURRENT_SOURCE_DIR}/cmake/CopyAssets.cmake"
+    VERBATIM
+  )
+
+  set_property(DIRECTORY PROPERTY VS_STARTUP_PROJECT MinecraftClientCross64)
 else()
   message(FATAL_ERROR "Invalid Backend.")
 endif()
-
-add_executable(MinecraftClient WIN32 ${MINECRAFT_CLIENT_SOURCES})
-target_include_directories(MinecraftClient PRIVATE
-  "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client"
-  "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/Iggy/include"
-  "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Xbox/Sentient/Include"
-  "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.World/x64headers"
-)
-target_compile_definitions(MinecraftClient PRIVATE
-  $<$<CONFIG:Debug>:_LARGE_WORLDS;_DEBUG_MENUS_ENABLED;_DEBUG;_CRT_NON_CONFORMING_SWPRINTFS;_CRT_SECURE_NO_WARNINGS;_WINDOWS64>
-  $<$<NOT:$<CONFIG:Debug>>:_LARGE_WORLDS;_DEBUG_MENUS_ENABLED;_CRT_NON_CONFORMING_SWPRINTFS;_CRT_SECURE_NO_WARNINGS;_WINDOWS64>
-)
-if(MSVC)
-  target_compile_options(MinecraftClient PRIVATE
-    $<$<COMPILE_LANGUAGE:C,CXX>:/W3>
-    $<$<COMPILE_LANGUAGE:C,CXX>:/MP>
-    $<$<COMPILE_LANGUAGE:CXX>:/EHsc>
-  )
-endif()
-
-set_target_properties(MinecraftClient PROPERTIES
-  VS_DEBUGGER_WORKING_DIRECTORY "$<TARGET_FILE_DIR:MinecraftClient>"
-)
-
-target_link_libraries(MinecraftClient PRIVATE
-  MinecraftWorld
-  d3d11
-  XInput9_1_0
-  wsock32
-  legacy_stdio_definitions
-  "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/Iggy/lib/iggy_w64.lib"
-  "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/Iggy/lib/iggyperfmon_w64.lib"
-  "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/Iggy/lib/iggyexpruntime_w64.lib"
-  "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/Miles/lib/mss64.lib"
-  $<$<CONFIG:Debug>:
-    "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/4JLibs/libs/4J_Input_d.lib"
-    "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/4JLibs/libs/4J_Storage_d.lib"
-    "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/4JLibs/libs/4J_Render_PC_d.lib"
-  >
-  $<$<NOT:$<CONFIG:Debug>>:
-    "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/4JLibs/libs/4J_Input.lib"
-    "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/4JLibs/libs/4J_Storage.lib"
-    "${CMAKE_CURRENT_SOURCE_DIR}/Minecraft.Client/Windows64/4JLibs/libs/4J_Render_PC.lib"
-  >
-)
-
-add_custom_command(TARGET MinecraftClient POST_BUILD
-  COMMAND "${CMAKE_COMMAND}"
-    -DPROJECT_SOURCE_DIR="${CMAKE_CURRENT_SOURCE_DIR}"
-    -DOUTPUT_DIR="$<TARGET_FILE_DIR:MinecraftClient>"
-    -DCONFIGURATION=$<CONFIG>
-    -P "${CMAKE_CURRENT_SOURCE_DIR}/cmake/CopyAssets.cmake"
-  VERBATIM
-)
-
-set_property(DIRECTORY PROPERTY VS_STARTUP_PROJECT MinecraftClient)

cmake/Cross64Sources.cmake

@@ -0,0 +1,4 @@
+set(CROSS64_SOURCES
+  "/Glad/src/glad.c"
+  "/Cross64_Minecraft.cpp"
+)