SDL Framework (SDLFW)

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:. SDL Framework (SDLFW)

SDLFW is a cross-platform framework from the powerful SDL library to create your own 2D games with the Lua programming language.
It's easy-to-use, open-source, and works on Windows, Linux and PSP.

SDLFW is licensed under the zLib license. That means you can use it freely for any purpose - including commercial purposes with no limitations.

:. Main Features

Fast application development through Lua scripting language
Support for multiple image formats
TrueType font rendering support
Provides input from the keyboard, mouse, and joystick
Provides a simple API to query the capabilities of the sound card
Complex audio functions, mainly for sound mixing
Provides a clean, simple, and reliable time and timer API
Provides an API for reading and playing tracks on a CDROM
Networking support
Provides a thread API that looks like a simplified version of pthreads
Is small, portable, and reliable

:. What's New in This Version?

Lua binding optimized, now should be a little more faster
Bugs fixed in more functions
Now SONY PlayStation Portable (PSP) platform is supported
Update samples to work fine on PSP
Improvements on error messages

:. Example

main.lua

local function main()

  -- Initialize SDL video
  if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) then
    print( "Couldn't initialize SDL: " .. SDL_GetError() )
    return 1
  end

  -- Set the window caption
  SDL_WM_SetCaption( "SDLFW - Hello World", nil )

  -- Create a new window
  local screen = SDL_SetVideoMode( 512, 384, 16, SDL_SWSURFACE )
  if ( screen == nil ) then
    print( "Unable to set the video mode: " .. SDL_GetError() )
    SDL_Quit()
    return 1
  end

  -- Get the global event
  local event = SDLFW_GetGlobalEvent()

  -- While the user hasn't quit
  local done = false
  while ( done == false ) do
    -- While there's an event to handle
    if ( SDL_PollEvent(event) ) then
      -- If the user has X out the window
      if ( event.type == SDL_QUIT ) then done = true end
    end

    -- Swaps screen buffers
    SDL_Flip( screen )

    -- Wait a specified number of milliseconds before returning
    SDL_Delay( 1 )
  end

  -- Make sure SDL cleans up before exit
  SDL_Quit()

  return 0
end

main()