xmake.lua

-- official package from a pull request
includes("packages/s/soloud/xmake.lua")
includes("packages/w/wren/xmake.lua")
-- fix from official package because in wasm pthread option is force set to 0
includes("packages/l/libsdl3/xmake.lua")
-- official package from my repo with custom settings
includes("packages/h/haclog/xmake.lua")

add_rules("mode.debug", "mode.release")

if is_plat("windows") then
    local msvcRuntime = is_mode("debug") and "MTd" or "MT"
    set_runtimes(msvcRuntime)
end

local asset_pipeline_python = is_host("windows") and "python" or "python3"

option("tracy")
    set_default(false)
    set_showmenu(true)
    set_description("Enable Tracy profiler instrumentation")
option_end()


option("embed_assets")
    set_default(is_plat("wasm"))
    set_showmenu(true)
    set_description("Generate embedded assets before building game (auto-enabled for wasm)")
option_end()

if is_arch("x64") then
    add_defines("GRNGAME_X64")
end

if has_config("tracy") then
    add_requires("tracy")
end

local suffix = ""
if has_config("embed_assets") then
    suffix = "embedded"
end

if is_plat("wasm") then
    add_requireconfs("**", {
        configs = {
            cflags   = {"-pthread", "-matomics", "-mbulk-memory"},
            cxxflags = {"-pthread", "-matomics", "-mbulk-memory"},
            ldflags  = {"-pthread"}
        }
    })
end

-- render + input
add_requires("libsdl3",       {version = "3.4.0"},      {configs = {shared = false}})
add_requires("libsdl3_image", {version = "3.2.0"},      {configs = {shared = false}})
add_requires("libsdl3_ttf",   {version = "3.2.2"},      {configs = {shared = false, freetype = false}, system = false})

-- maths
add_requires("klib",          {version = "2024.06.03"}, {configs = {shared = false}})
add_requires("cglm",          {version = "v0.9.6"},     {configs = {shared = false}})

-- song
add_requires("soloud pr402", {configs = {shared = false, cxflags = is_arch("arm64") and "-DDR_MP3_NO_SIMD" or nil }})

-- folder
add_requires("tinydir",       {version = "1.2.6"},      {configs = {shared = false}})
if not is_plat("wasm") then
    add_requires("efsw",  {version = "1.6.2"},{configs = {shared = false}, system = false})
end

-- scripting
add_requires("wren Map-api",          {version = "Map-api"},      {configs = {shared = false}})

-- simd
add_requires("highway",       {version = "1.3.0"},      {configs = {shared = false}})

-- files
add_requires("sqlite3",       {version = "3-3.53.0+0"}, {configs = {shared = false}, system = false})
add_requires("cjson",{configs = {shared = false}})

--logs
if not is_plat("wasm") then
    add_requires("haclog", {version = "color_fix"}, {configs = {shared = false}})
end
set_warnings("all", "extra")

target("GrnGame")
    add_defines("WITH_SDL3_STATIC")
    set_languages("c23", "cxx20")
    set_kind("static")

    add_files("grngame/**.c", "grngame/**.cpp")
    remove_files("grngame/assets/embedded_main.c")
    add_headerfiles("grngame/**.h")
    add_includedirs(".", {public = true})

    -- packages
    add_packages("libsdl3",
         "libsdl3_image", "libsdl3_ttf",
        "klib", "cglm", "soloud", "tinydir",
        "wren", "freetype", "sqlite3", "highway", "Libimagequant", "cjson","haclog",
        {public = true}
    )
    if not is_plat("wasm") then
        add_packages( "efsw","haclog", {public = true})
    end

    if has_config("tracy") then
        add_packages("tracy", {public = true})
    end

    -- platform defines
    if     is_plat("linux")   then
        add_defines("GRNGAME_LINUX", "_GNU_SOURCE", {public = true})
        add_cxxflags("-frtti", "-fexceptions")
    elseif is_plat("windows") then
        add_defines("GRNGAME_WINDOWS", {public = true})
    elseif is_plat("macosx")  then
        add_defines("GRNGAME_MACOS", {public = true})
    end

    -- mode defines
    if     is_mode("debug")   then
        add_defines("GRNGAME_DEBUG", {public = true})
    elseif is_mode("release") then
        add_defines("GRNGAME_RELEASE", {public = true})
        if not is_plat("macosx") then
            set_policy("build.optimization.lto", true)
        end
    end

    if has_config("embed_assets") then
        add_defines("GRNGAME_EMBED_ASSETS", {public = true})
    end

    add_defines("CGLM_USE_ANONYMOUS_STRUCT=1", {public = true})

    if has_config("tracy") then
        add_defines("TRACY_ENABLE", {public = true})
    end

    if not (has_config("embed_assets") or is_plat("wasm")) then
        add_defines("GRNGAME_HOT_RELOAD_ENABLE")
    end

    if is_plat("wasm") then
        add_defines("GRNGAME_WASM", {public = true})
        add_ldflags(
            "--shell-file", "grngame/web/shell.html",
            "-sFORCE_FILESYSTEM=1",
            "-sASYNCIFY",
            "-sALLOW_MEMORY_GROWTH=0",
            "-sPTHREAD_POOL_SIZE=navigator.hardwareConcurrency",
            "-pthread",
            {public = true, force = true}
        )
    end


local plat = get_config("plat") or os.host()
local arch = get_config("arch") or os.arch()
local mode = get_config("mode") or "release"

if not is_plat("wasm") then
    target("Embedded-" .. plat .. "-" .. arch .. "-" .. mode)
        set_languages("c17", "cxx17")
        set_kind("binary")
        set_targetdir(path.join("$(builddir)", "Embedded"))
        add_files("grngame/assets/embedded_main.c")
        add_headerfiles("grngame/**.h")
        add_deps("GrnGame")

    target("EmbeddedBenchmark-" .. plat .. "-" .. arch .. "-" .. mode)
    set_languages("c17", "cxx17")
    set_kind("binary")
    set_targetdir(path.join("$(builddir)", "EmbeddedBenchmark"))
    add_files("benchmark/embedded/main.c")
    add_headerfiles("grngame/**.h")
    add_deps("GrnGame")
end

target("Runtime-" .. plat .. "-" .. arch .. "-" .. mode .. suffix)
    set_languages("c17", "cxx17")
    set_kind("binary")
    set_targetdir(path.join("$(builddir)", "Runtime"))
    add_files("runtime/main.c")
    add_deps("GrnGame")

    if not is_plat("wasm") then
        add_deps("Embedded-" .. plat .. "-" .. arch .. "-" .. mode)
    end



local test_target = "tests/json"

target(test_target)
    set_kind("phony")

    on_run(function (target)
        import("lib.detect.find_tool")

        local python = find_tool("python") or find_tool("python3")
        assert(python, "Python not found!")

        local target_name = target:name()

        os.execv(python.program, {
            "scripts/asset_pipeline.py",
            target_name,
            path.join("build", target_name)
        })

        local plat = get_config("plat")
        local arch = get_config("arch")
        local mode = get_config("mode") or "release"
        local suffix = ""

        local ext = is_host("windows") and ".exe" or ""

        local runtime_path = path.join(
            "build",
            "tests",
            "json",
            "Runtime-" .. plat .. "-" .. arch .. "-" .. mode .. suffix .. ext
        )

        os.execv(runtime_path)
    end)