premake5.lua

workspace "GrabRabbit"
    configurations { "Debug", "Release" }
    architecture "x64"
    startproject "GrabRabbitDemo"

local function hasRequiredLibraries(root)
    if not root or root == "" then
        return false
    end

    return os.isdir(("%s/json"):format(root))
       and os.isdir(("%s/glad"):format(root))
       and os.isdir(("%s/dearimgui"):format(root))
       and os.isdir(("%s/SDL3"):format(root))
end

local function resolveLibraryRoot()
    local envRoot = os.getenv("GRABRABBIT_LIB_ROOT")
    if hasRequiredLibraries(envRoot) then
        return envRoot
    end

    local candidates = {
        "../lib",
        "../RenderingThing/lib",
        "C:/Users/Developer/Desktop/RenderingThing/lib",
        "C:/Users/Developer/Desktop/RenderThingy/lib"
    }

    for _, candidate in ipairs(candidates) do
        if hasRequiredLibraries(candidate) then
            return candidate
        end
    end

    error("Unable to locate GrabRabbit dependencies. Set GRABRABBIT_LIB_ROOT or place libs in ../lib or ../RenderingThing/lib.")
end

-- Libraries ---------------------------------------------------------------------------------------------------
local libraryRoot = resolveLibraryRoot()

-- Library Locations Within the Library Root, change these to whatever you need.
local gladRoot = ("%s/glad"):format(libraryRoot);
local dearimguiRoot = ("%s/dearimgui"):format(libraryRoot);
local yyjsonRoot = ("%s/json"):format(libraryRoot);
local sdl3Root = ("%s/SDL3/x86_64-w64-mingw32"):format(libraryRoot)
-- End Libraries ------------------------------------------------------------------------------------------------
project "GrabRabbit"
    kind "StaticLib"
    language "C++"
    cppdialect "C++17"
    targetdir "bin/%{prj.name}/%{cfg.buildcfg}"
    objdir "bin-int/%{prj.name}/%{cfg.buildcfg}"
    targetextension ".a"

    files {
        "src/**.h",
        "src/**.cpp",
        ("%s/yyjson.c"):format(yyjsonRoot)
    }

    removefiles {
        "src/test/**.h",
        "src/test/**.cpp"
    }

    includedirs {
        "src",
        ("%s/include"):format(yyjsonRoot)
    }

project "GrabRabbitTests"
    kind "ConsoleApp"
    language "C++"
    cppdialect "C++17"
    targetdir "bin/%{prj.name}/%{cfg.buildcfg}"
    objdir "bin-int/%{prj.name}/%{cfg.buildcfg}"

    files {
        "src/test/**.h",
        "src/test/**.cpp"
    }

    includedirs {
        "src",
        ("%s/include"):format(yyjsonRoot)
    }

    links {
        "GrabRabbit"
    }

project "GrabRabbitDemo"
    kind "WindowedApp"
    language "C++"
    cppdialect "C++17"
    targetdir "bin/%{prj.name}/%{cfg.buildcfg}"
    objdir "bin-int/%{prj.name}/%{cfg.buildcfg}"

    files {
        "demo/**.h",
        "demo/**.cpp",
        ("%s/src/glad.c"):format(gladRoot),
        ("%s/**.cpp"):format(dearimguiRoot),
    }

    includedirs {
        "src",
        "demo",
        ("%s/json/include"):format(libraryRoot),
        ("%s/include"):format(sdl3Root),
        ("%s/include"):format(gladRoot),
        ("%s/include"):format(dearimguiRoot),
        ("%s/backends/include"):format(dearimguiRoot)
    }

    defines {
        "IMGUI_IMPL_OPENGL_LOADER_GLAD"
    }

    links {
        "GrabRabbit",
        "SDL3",
        "opengl32",
        "glu32"
    }

    libdirs {
        ("%s/lib"):format(sdl3Root)
    }

    filter "system:windows"
        postbuildcommands {
            'cmd /c xcopy /Q /E /Y /I "' .. path.translate(("%s/bin"):format(sdl3Root), "\\") .. '" "bin\\%{prj.name}\\%{cfg.buildcfg}" > nul'
        }
    filter {}

filter "configurations:Debug"
    symbols "On"
    defines { "DEBUG" }

filter "configurations:Release"
    optimize "On"
    defines { "NDEBUG" }

filter {}