xmake.lua

add_rules(
    "mode.debug",
    "mode.releasedbg",
    "mode.release",
    "plugin.vsxmake.autoupdate"
    --"c.unity_build",
    --"c++.unity_build"
)

set_project("chifir-engine")
set_version("0.0.0", {build = "%Y%m%d%H%M%S"})

set_allowedplats(
    "windows", "gdkx",
    "linux",
    "switch"
)

add_sysincludedirs(
    "external",
    "external/phnt",
    "external/stb",
    "external/volk",
    "external/vulkan",
    "public/xbox"
)

add_includedirs(
    "public",
    "private/public",
    "private"
)

function get_toolchain()
    return get_config("toolchain")
end

function is_toolchain(...)
    local arg = {...}
    for i, v in ipairs(arg) do
        if get_toolchain() == v then
            return true
        end
    end

    return false
end

includes("config.lua")
add_defines("GAME_NAME=\"" .. game_name .. "\"")
add_defines("GAME_DISPLAY_NAME=\"" .. game_display_name .. "\"")
add_defines("REPO_NAME=\"" .. repo_name .. "\"")

vulkan = is_plat("windows", "linux", "switch")
if vulkan then
    add_defines("CH_VULKAN")
end

static_build = is_plat("switch")
if static_build then
    add_defines("CH_STATIC")
    set_kind("static")
else
    set_kind("shared")
end

if is_plat("windows") then
    add_defines("CH_WIN32")
    if is_arch("x64") then
        add_defines("CH_GDK")
    end
elseif is_plat("gdkx") then
    add_defines("CH_GDKX", "CH_GDK", "CH_WIN32")
elseif is_plat("linux") then
    add_defines("CH_LINUX", "CH_UNIX")
elseif is_plat("switch") then
    add_defines("CH_SWITCH")
end

if is_arch("x64") then
    add_defines("CH_AMD64", "CH_X86")
elseif is_arch("x86") then
    add_defines("CH_IA32", "CH_X86")
elseif is_arch("arm64") then
    add_defines("CH_ARM64")
end

if is_mode("debug") then
    add_defines("CH_DEBUG")
elseif is_mode("releasedbg") then
    add_defines("CH_RELEASE")
elseif is_mode("release") then
    add_defines("CH_RETAIL", "CH_RELEASE")
end

if is_arch("x64", "x86", "arm64") then
    add_defines("CH_LITTLE_ENDIAN")
else
    add_defines("CH_BIG_ENDIAN")
end

if os.exists("private/xmake.lua") then
    includes("private")
else
    function add_private_settings() end
    function add_private_launcher_settings() end
end

add_private_settings()

add_defines("_GNU_SOURCE", "_CRT_SECURE_NO_WARNINGS")

set_languages("gnu17", "gnuxx14")
set_warnings("all", "error")

if is_plat("windows", "gdkx") then
    set_exceptions("none")

    add_cxflags(
        "/Zl", -- prevent C runtime from being linked
        "/GS-",
        "/Zc:__cplusplus",
        "/Zc:threadSafeInit-",

        "/wd4201", -- nameless struct
        "/wd4324", -- structure padded due to alignment specifier
        "/wd4505", -- unreferenced static function removed
        "/wd4005", -- macro redefinition
        "/wd4211", -- nonstandard extension used
        "/wd4127", -- conditional expression is constant
        "/wd4229", -- modifiers on data are ignored
        "/wd4319", -- zero extending 'x' to 'y' of greater type
        "/wd4163", -- 'x': not available as an intrinsic function
		"/wd4164", -- 'x': intrinsic function not declared
        "/wd4125", -- decimal digit terminates octal escape sequence
        "/wd4464", -- relative include path contains '..'
        "/wd5247", -- section 'x' is reserved for C++ dynamic initialization. Manually creating the section will interfere with C++ dynamic initialization and may lead to undefined behavior
        "/wd5248", -- section 'x' is reserved for C++ dynamic initialization. Variables manually put into the section may be optimized out and their order relative to compiler generated dynamic initializers is unspecified
        "/wd4820", -- 'x' bytes padding added after data member 'y'
        "/wd5045", -- Compiler will insert Spectre mitigation for memory load if /Qspectre switch specified
    {force = true})

    if is_arch("x64") then
        add_linkdirs("public/win32/x64")
    elseif is_arch("x86") then
        add_cxflags(
            "/arch:IA32"
        )
        add_linkdirs("public/win32/x86")
    elseif is_arch("arm64") then
        add_linkdirs("public/win32/arm64")
    end

    add_ldflags(
        "/nodefaultlib", -- further prevent C runtime
    {force = true})
elseif is_plat("linux", "switch") then
    add_cxflags(
        "-fms-extensions",
        "-fno-threadsafe-statics",
        "-working-directory=$(scriptdir)", -- to fix __FILE__

        "-Wno-#pragma-messages",
        "-Wno-nonportable-include-path", -- None of this is on non-Windows code I control
        "-Wno-macro-redefined", -- This is avoided in any scenario where it matters
        "-Wno-unused-function", -- I don't care, that's the linker's problem
        "-Wno-unknown-attributes",
        "-Wno-ignored-pragma-intrinsic",
        "-Wno-ignored-attributes",
    {force = true})

    set_prefixname("")
end

includes("base")
includes("engine")
includes("testapp")
includes("rendersystem")
includes("rhi")
includes("videosystem")
includes("launcher")

target("public")
	set_kind("headeronly")

	add_headerfiles("external/**", "public/**", "private/public/**")