added cmakelists file

may switch to cmake since every library i saw used it and this was
tested on windows by generating a visual studio solution and it builds
and runs both release and debug

CMakeLists.txt

@@ -0,0 +1,102 @@
+# Require a modern version of CMake
+cmake_minimum_required(VERSION 3.15)
+
+# Define the workspace/project
+project(SakuraVNE LANGUAGES CXX)
+
+# Enforce C++20 globally
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF) # Disables compiler-specific extensions (like gnu++20)
+
+# ------------------------------------------------------------------------------
+# Output Directory Configuration (Mirrors your Premake setup)
+# ------------------------------------------------------------------------------
+# This mimics: build/bin/{Config}-{System}-{Architecture}
+set(OUTPUT_DIR_SUFFIX "$<CONFIG>-${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR}")
+
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin/${OUTPUT_DIR_SUFFIX}")
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin/${OUTPUT_DIR_SUFFIX}")
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin/${OUTPUT_DIR_SUFFIX}")
+
+# ------------------------------------------------------------------------------
+# Dependencies
+# ------------------------------------------------------------------------------
+
+# 1. SDL3
+# Disable tests and examples before adding the subdirectory
+set(SDL_TESTS OFF CACHE BOOL "Disable SDL3 tests" FORCE)
+set(SDL_EXAMPLES OFF CACHE BOOL "Disable SDL3 examples" FORCE)
+add_subdirectory(libs/sdl3)
+
+# 2. spdlog
+# Force compiled mode instead of header-only, and disable extras
+set(SPDLOG_BUILD_COMPILED ON CACHE BOOL "Build spdlog as a compiled library" FORCE)
+set(SPDLOG_BUILD_EXAMPLE OFF CACHE BOOL "Disable spdlog examples" FORCE)
+set(SPDLOG_BUILD_TESTS OFF CACHE BOOL "Disable spdlog tests" FORCE)
+add_subdirectory(libs/spdlog)
+
+# 3. ImGui & ImGui Node Editor
+# Assuming you have CMakeLists.txt inside these directories.
+# If you don't, you would use add_library() to compile their .cpp files manually here.
+add_subdirectory(libs/imgui)
+add_subdirectory(libs/imgui-node-editor)
+
+# ------------------------------------------------------------------------------
+# SakuraVNE Executable Target
+# ------------------------------------------------------------------------------
+
+# Gather all .cpp and .h files in the src folder
+file(GLOB_RECURSE SAKURA_SRCS "SakuraVNE/src/*.cpp" "SakuraVNE/src/*.h")
+
+# Create the ConsoleApp executable
+add_executable(SakuraVNE ${SAKURA_SRCS})
+
+# ------------------------------------------------------------------------------
+# Include Directories & Linking
+# ------------------------------------------------------------------------------
+
+# Tell the compiler where the headers are
+target_include_directories(SakuraVNE PRIVATE
+    "SakuraVNE/src"
+    "libs/spdlog/include"
+    "libs/imgui"
+    "libs/imgui/misc"
+    "libs/imgui/backends"
+    "libs/imgui-node-editor"
+    "libs/sdl3/include"
+)
+
+# Link the libraries. CMake handles all the libdirs automatically!
+target_link_libraries(SakuraVNE PRIVATE
+    ImGui               # (Depends on what your ImGui target is actually named)
+    ImGuiNodeEditor     # (Depends on what your ImGuiNodeEditor target is actually named)
+    SDL3::SDL3          # The official SDL3 target name
+    spdlog::spdlog      # The official spdlog target name
+)
+
+# ------------------------------------------------------------------------------
+# Platform & Configuration Filters
+# ------------------------------------------------------------------------------
+
+# Windows-specific settings
+if(WIN32)
+    target_compile_definitions(SakuraVNE PRIVATE PLATFORM_WINDOWS)
+    
+    # Ignore MSVCRT default library
+    target_link_options(SakuraVNE PRIVATE "/NODEFAULTLIB:MSVCRT")
+
+# Linux-specific settings
+elseif(UNIX AND NOT APPLE)
+    target_compile_definitions(SakuraVNE PRIVATE PLATFORM_LINUX)
+    
+    # Link dl and pthread
+    target_link_libraries(SakuraVNE PRIVATE dl pthread)
+endif()
+
+# Debug vs Release definitions
+# $<CONFIG:...> is a generator expression that injects the flag based on the active build type
+target_compile_definitions(SakuraVNE PRIVATE
+    $<$<CONFIG:Debug>:DEBUG>
+    $<$<CONFIG:Release>:RELEASE>
+)