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path: root/src/lua/luaopen_jin.cpp
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#include "luaopen_jin.h"
#include "lua/luax.h"

// embed all lua scripts 
#include "embed/embed.h"

namespace jin
{
namespace lua
{

    extern int luaopen_core(lua_State* L);
    extern int luaopen_graphics(lua_State* L);
    extern int luaopen_audio(lua_State* L);
    extern int luaopen_net(lua_State* L);
    extern int luaopen_event(lua_State* L);
    extern int luaopen_time(lua_State* L);
    extern int luaopen_mouse(lua_State* L);
    extern int luaopen_keyboard(lua_State* L);
    extern int luaopen_filesystem(lua_State* L); 
    extern int luaopen_joypad(lua_State* L);

    static int l_getversion(lua_State* L)
    {
        luax_pushstring(L, VERSION);
        return 1; 
    }

    static int l_getAuthor(lua_State* L)
    {
        luax_pushstring(L, AUTHOR);
        return 1; 
    }

    static int l_getOS(lua_State* L)
    {
    #ifdef _WIN32 
        luax_pushstring(L, "windows");
    #elif defined __unix__
        luax_pushstring(L, "unix");
    #elif defined __APPLE__
        luax_pushstring(L, "macos");
    #endif
        return 1;
    }

    static const luaL_Reg f[] = {
        {"version", l_getversion},
        {"author",  l_getAuthor},
        {"os",      l_getOS},
        {0, 0}
    };
    
    // submodules 
    static const luaL_Reg mods[] = {
        {"core",        luaopen_core},
        {"event",       luaopen_event},
        {"graphics",    luaopen_graphics},
        {"time",        luaopen_time},
        {"mouse",       luaopen_mouse},
        {"keyboard",    luaopen_keyboard},
        {"filesystem",  luaopen_filesystem},
        {"net",         luaopen_net},
        {"audio",       luaopen_audio},
        {"joypad",      luaopen_joypad},
        {0, 0}
    };

    int luaopen_jin(lua_State* L)
    {
        // jin module is on top of the stack 
        luax_newlib(L, f); 

        // set to global field
        luax_justglobal(L, -1, MODULE_NAME);

        // register submodules
        for (int i = 0; mods[i].name; ++i)
        {
            // open submodules
            mods[i].func(L);
            luax_setfield(L, -2, mods[i].name);
        }

        return 1;
    }

    /**
    * boot jin 
    */
    void boot(lua_State* L)
    {
        jin::embed::boot(L);
    }

}
}