author | nemo |
Tue, 01 Jan 2013 14:21:51 -0500 | |
changeset 8349 | a1dbe148f10f |
parent 8068 | b35427506169 |
child 8096 | 453917e94e55 |
child 8530 | 66cedf3e9d1e |
permissions | -rw-r--r-- |
(* * Hedgewars, a free turn based strategy game * Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA *) {$INCLUDE "options.inc"} unit SDLh; interface {$IFDEF LINUX} {$DEFINE UNIX} {$ENDIF} {$IFDEF FREEBSD} {$DEFINE UNIX} {$ENDIF} {$IFDEF DARWIN} {$DEFINE UNIX} {$ENDIF} {$IFDEF HAIKU} {$DEFINE UNIX} {$ENDIF} {$IFDEF UNIX} {$IFNDEF DARWIN} {$linklib c} {$ENDIF} {$IFDEF HAIKU} {$linklib root} {$ELSE} {$IFNDEF ANDROID} {$linklib pthread} {$ENDIF} {$ENDIF} {$ENDIF} {$IFDEF FPC} {$PACKRECORDS C} {$ELSE} {$DEFINE cdecl attribute(cdecl)} type PByte = ^Byte; type PInteger = ^Integer; type PLongInt = ^LongInt; {$ENDIF} {$IFDEF DARWIN} {$IFNDEF IPHONEOS} {$PASCALMAINNAME SDL_main} {$linkframework Cocoa} {$linkframework SDL} {$linkframework SDL_net} {$linkframework SDL_image} {$linkframework SDL_ttf} {$linkframework SDL_mixer} {$linkframework OpenGL} {$ENDIF} {$ENDIF} (* SDL *) const {$IFDEF WIN32} SDLLibName = 'SDL.dll'; SDL_TTFLibName = 'SDL_ttf.dll'; SDL_MixerLibName = 'SDL_mixer.dll'; SDL_ImageLibName = 'SDL_image.dll'; SDL_NetLibName = 'SDL_net.dll'; {$ELSE} {$IFDEF DARWIN} SDLLibName = 'SDL'; SDL_TTFLibName = 'SDL_ttf'; SDL_MixerLibName = 'SDL_mixer'; SDL_ImageLibName = 'SDL_image'; SDL_NetLibName = 'SDL_net'; {$ELSE} SDLLibName = 'libSDL.so'; SDL_TTFLibName = 'libSDL_ttf.so'; SDL_MixerLibName = 'libSDL_mixer.so'; SDL_ImageLibName = 'libSDL_image.so'; SDL_NetLibName = 'libSDL_net.so'; {$ENDIF} {$ENDIF} ///////////////////////////////////////////////////////////////// ///////////////////// CONSTANT DEFINITIONS ///////////////////// ///////////////////////////////////////////////////////////////// // SDL_Init() flags SDL_INIT_TIMER = $00000001; SDL_INIT_AUDIO = $00000010; SDL_INIT_VIDEO = $00000020; SDL_INIT_JOYSTICK = $00000200; {$IFDEF SDL13} SDL_INIT_HAPTIC = $00001000; {$ELSE} SDL_INIT_CDROM = $00000100; SDL_INIT_EVENTTHREAD = $01000000; {$ENDIF} SDL_INIT_NOPARACHUTE = $00100000; SDL_INIT_EVERYTHING = $0000FFFF; SDL_ALLEVENTS = $FFFFFFFF; SDL_APPINPUTFOCUS = $02; SDL_BUTTON_LEFT = 1; SDL_BUTTON_MIDDLE = 2; SDL_BUTTON_RIGHT = 3; SDL_BUTTON_WHEELUP = 4; SDL_BUTTON_WHEELDOWN = 5; {$IFDEF SDL13} // SDL_Event types SDL_FIRSTEVENT = 0; SDL_QUITEV = $100; SDL_WINDOWEVENT = $200; SDL_SYSWMEVENT = $201; SDL_KEYDOWN = $300; SDL_KEYUP = $301; SDL_TEXTEDITING = $302; SDL_TEXTINPUT = $303; SDL_MOUSEMOTION = $400; SDL_MOUSEBUTTONDOWN = $401; SDL_MOUSEBUTTONUP = $402; SDL_MOUSEWHEEL = $403; SDL_INPUTMOTION = $500; SDL_INPUTBUTTONDOWN = $501; SDL_INPUTBUTTONUP = $502; SDL_INPUTWHEEL = $503; SDL_INPUTPROXIMITYIN = $504; SDL_INPUTPROXIMITYOUT = $505; SDL_JOYAXISMOTION = $600; SDL_JOYBALLMOTION = $601; SDL_JOYHATMOTION = $602; SDL_JOYBUTTONDOWN = $603; SDL_JOYBUTTONUP = $604; SDL_FINGERDOWN = $700; SDL_FINGERUP = $701; SDL_FINGERMOTION = $702; SDL_TOUCHBUTTONDOWN = $703; SDL_TOUCHBUTTONUP = $704; SDL_DOLLARGESTURE = $800; SDL_DOLLARRECORD = $801; SDL_MULTIGESTURE = $802; SDL_CLIPBOARDUPDATE = $900; SDL_DROPFILE = $1000; SDL_USEREVENT = $8000; SDL_LASTEVENT = $FFFF; // no compatibility events $7000 // SDL_Surface flags SDL_SWSURFACE = $00000000; //*< Not used */ SDL_PREALLOC = $00000001; //*< Surface uses preallocated memory */ SDL_RLEACCEL = $00000002; //*< Surface is RLE encoded */ SDL_DONTFREE = $00000004; //*< Surface is referenced internally */ SDL_SRCALPHA = $00010000; SDL_SRCCOLORKEY = $00020000; SDL_ANYFORMAT = $00100000; SDL_HWPALETTE = $00200000; SDL_DOUBLEBUF = $00400000; SDL_FULLSCREEN = $00800000; SDL_RESIZABLE = $01000000; SDL_NOFRAME = $02000000; SDL_OPENGL = $04000000; SDL_HWSURFACE = $08000001; //*< Not used */ SDL_ASYNCBLIT = $08000000; //*< Not used */ SDL_RLEACCELOK = $08000000; //*< Not used */ SDL_HWACCEL = $08000000; //*< Not used */ // SDL_Renderer flags SDL_RENDERER_SOFTWARE = $00000001; //*< The renderer is a software fallback */ SDL_RENDERER_ACCELERATED = $00000002; //*< The renderer uses hardware acceleration */ SDL_RENDERER_PRESENTVSYNC = $00000004; // SDL_WindowFlags (enum) SDL_WINDOW_FULLSCREEN = $00000001; //*< fullscreen window, implies borderless */ SDL_WINDOW_OPENGL = $00000002; //*< window usable with OpenGL context */ SDL_WINDOW_SHOWN = $00000004; //*< window is visible */ SDL_WINDOW_HIDDEN = $00000008; //*< window is not visible */ SDL_WINDOW_BORDERLESS = $00000010; //*< no window decoration */ SDL_WINDOW_RESIZABLE = $00000020; //*< window can be resized */ SDL_WINDOW_MINIMIZED = $00000040; //*< window is minimized */ SDL_WINDOW_MAXIMIZED = $00000080; //*< window is maximized */ SDL_WINDOW_INPUT_GRABBED = $00000100; //*< window has grabbed input focus */ SDL_WINDOW_INPUT_FOCUS = $00000200; //*< window has input focus */ SDL_WINDOW_MOUSE_FOCUS = $00000400; //*< window has mouse focus */ SDL_WINDOW_FOREIGN = $00000800; //*< window not created by SDL */ SDL_WINDOWPOS_CENTERED_MASK = $2FFF0000; // SDL_WindowEventID (enum) SDL_WINDOWEVENT_NONE = 0; //*< Never used SDL_WINDOWEVENT_SHOWN = 1; //*< Window has been shown SDL_WINDOWEVENT_HIDDEN = 2; //*< Window has been hidden SDL_WINDOWEVENT_EXPOSED = 3; //*< Window has been exposed and should be redrawn SDL_WINDOWEVENT_MOVED = 4; //*< Window has been moved to data1, data2 SDL_WINDOWEVENT_RESIZED = 5; //*< Window size changed to data1xdata2 SDL_WINDOWEVENT_SIZE_CHANGED = 6; //*< The window size has changed, [...] */ SDL_WINDOWEVENT_MINIMIZED = 7; //*< Window has been minimized SDL_WINDOWEVENT_MAXIMIZED = 8; //*< Window has been maximized SDL_WINDOWEVENT_RESTORED = 9; //*< Window has been restored to normal size and position SDL_WINDOWEVENT_ENTER = 10; //*< Window has gained mouse focus SDL_WINDOWEVENT_LEAVE = 11; //*< Window has lost mouse focus SDL_WINDOWEVENT_FOCUS_GAINED = 12; //*< Window has gained keyboard focus SDL_WINDOWEVENT_FOCUS_LOST = 13; //*< Window has lost keyboard focus SDL_WINDOWEVENT_CLOSE = 14; //*< The window manager requests that the window be closed */ {$ELSE} // SDL_Event types SDL_NOEVENT = 0; SDL_ACTIVEEVENT = 1; SDL_KEYDOWN = 2; SDL_KEYUP = 3; SDL_MOUSEMOTION = 4; SDL_MOUSEBUTTONDOWN = 5; SDL_MOUSEBUTTONUP = 6; SDL_JOYAXISMOTION = 7; SDL_JOYBALLMOTION = 8; SDL_JOYHATMOTION = 9; SDL_JOYBUTTONDOWN = 10; SDL_JOYBUTTONUP = 11; SDL_QUITEV = 12; SDL_VIDEORESIZE = 16; // SDL_Surface flags SDL_SWSURFACE = $00000000; SDL_HWSURFACE = $00000001; SDL_OPENGL = $00000002; SDL_ASYNCBLIT = $00000004; SDL_RESIZABLE = $00000010; SDL_NOFRAME = $00000020; SDL_HWACCEL = $00000100; SDL_SRCCOLORKEY = $00001000; SDL_RLEACCEL = $00004000; SDL_SRCALPHA = $00010000; SDL_ANYFORMAT = $00100000; SDL_HWPALETTE = $20000000; SDL_DOUBLEBUF = $40000000; SDL_FULLSCREEN = $80000000; {$ENDIF} {$IFDEF ENDIAN_LITTLE} RMask = $000000FF; GMask = $0000FF00; BMask = $00FF0000; AMask = $FF000000; RShift = 0; GShift = 8; BShift = 16; AShift = 24; {$ELSE} RMask = $FF000000; GMask = $00FF0000; BMask = $0000FF00; AMask = $000000FF; RShift = 24; GShift = 16; BShift = 8; AShift = 0; {$ENDIF} KMOD_NONE = $0000; KMOD_LSHIFT = $0001; KMOD_RSHIFT = $0002; KMOD_LCTRL = $0040; KMOD_RCTRL = $0080; KMOD_LALT = $0400; KMOD_RALT = $0800; KMOD_LMETA = $0400; KMOD_RMETA = $0800; KMOD_NUM = $1000; KMOD_CAPS = $2000; KMOD_MODE = $4000; {* SDL_mixer *} MIX_MAX_VOLUME = 128; MIX_INIT_FLAC = $00000001; MIX_INIT_MOD = $00000002; MIX_INIT_MP3 = $00000004; MIX_INIT_OGG = $00000008; {* SDL_TTF *} TTF_STYLE_NORMAL = 0; TTF_STYLE_BOLD = 1; TTF_STYLE_ITALIC = 2; {* SDL Joystick *} SDL_HAT_CENTERED = $00; SDL_HAT_UP = $01; SDL_HAT_RIGHT = $02; SDL_HAT_DOWN = $04; SDL_HAT_LEFT = $08; SDL_HAT_RIGHTUP = SDL_HAT_RIGHT or SDL_HAT_UP; SDL_HAT_RIGHTDOWN = SDL_HAT_RIGHT or SDL_HAT_DOWN; SDL_HAT_LEFTUP = SDL_HAT_LEFT or SDL_HAT_UP; SDL_HAT_LEFTDOWN = SDL_HAT_LEFT or SDL_HAT_DOWN; {* SDL_image *} IMG_INIT_JPG = $00000001; IMG_INIT_PNG = $00000002; IMG_INIT_TIF = $00000004; ///////////////////////////////////////////////////////////////// /////////////////////// TYPE DEFINITIONS /////////////////////// ///////////////////////////////////////////////////////////////// // two important reference points for the wanderers of this area // http://www.freepascal.org/docs-html/ref/refsu5.html // http://www.freepascal.org/docs-html/prog/progsu144.html type {$IFDEF SDL13} PSDL_Window = Pointer; PSDL_Renderer = Pointer; PSDL_Texture = Pointer; PSDL_GLContext= Pointer; TSDL_FingerId = Int64; TSDL_TouchId = Int64; {$ENDIF} PSDL_Rect = ^TSDL_Rect; TSDL_Rect = record {$IFDEF SDL13} x, y, w, h: LongInt; {$ELSE} x, y: SmallInt; w, h: Word; {$ENDIF} end; TPoint = record X, Y: LongInt; end; PSDL_PixelFormat = ^TSDL_PixelFormat; TSDL_PixelFormat = record {$IFDEF SDL13} format: LongWord; palette: Pointer; BitsPerPixel : Byte; BytesPerPixel: Byte; padding: array[0..1] of Byte; RMask : LongWord; GMask : LongWord; BMask : LongWord; AMask : LongWord; Rloss : Byte; Gloss : Byte; Bloss : Byte; Aloss : Byte; Rshift: Byte; Gshift: Byte; Bshift: Byte; Ashift: Byte; refcount: LongInt; next: PSDL_PixelFormat; {$ELSE} palette: Pointer; BitsPerPixel : Byte; BytesPerPixel: Byte; Rloss : Byte; Gloss : Byte; Bloss : Byte; Aloss : Byte; Rshift: Byte; Gshift: Byte; Bshift: Byte; Ashift: Byte; RMask : LongWord; GMask : LongWord; BMask : LongWord; AMask : LongWord; colorkey: LongWord; alpha: Byte; {$ENDIF} end; TSDL_eventaction = (SDL_ADDEVENT, SDL_PEEPEVENT, SDL_GETEVENT); PSDL_Surface = ^TSDL_Surface; TSDL_Surface = record flags : LongWord; format: PSDL_PixelFormat; w, h : LongInt; pitch : {$IFDEF SDL13}LongInt{$ELSE}Word{$ENDIF}; pixels: Pointer; offset: LongInt; {$IFDEF SDL13} userdata: Pointer; locked: LongInt; lock_data: Pointer; clip_rect: TSDL_Rect; map: Pointer; refcount: LongInt; {$ENDIF} end; PSDL_Color = ^TSDL_Color; TSDL_Color = record r: Byte; g: Byte; b: Byte; unused: Byte; end; PSDL_RWops = ^TSDL_RWops; TSeek = function( context: PSDL_RWops; offset: LongInt; whence: LongInt ): LongInt; cdecl; TRead = function( context: PSDL_RWops; Ptr: Pointer; size: LongInt; maxnum : LongInt ): LongInt; cdecl; TWrite = function( context: PSDL_RWops; Ptr: Pointer; size: LongInt; num: LongInt ): LongInt; cdecl; TClose = function( context: PSDL_RWops ): LongInt; cdecl; TStdio = record autoclose: {$IFDEF SDL13}Boolean{$ELSE}LongInt{$ENDIF}; fp: Pointer; end; TMem = record base: PByte; here: PByte; stop: PByte; end; TUnknown = record data1: Pointer; end; TSDL_RWops = record seek: TSeek; read: TRead; write: TWrite; close: TClose; type_: LongWord; case Byte of 0: (stdio: TStdio); 1: (mem: TMem); 2: (unknown: TUnknown); end; {* SDL_Event type definition *} {$IFDEF SDL13} TSDL_KeySym = record scancode: LongInt; sym: LongWord; modifier: Word; unicode: LongWord; end; TSDL_WindowEvent = record type_: LongWord; timestamp: LongWord; windowID: LongWord; event: Byte; padding1, padding2, padding3: Byte; data1, data2: LongInt; end; // available in sdl12 but not exposed TSDL_TextEditingEvent = record type_: LongWord; timestamp: LongWord; windowID: LongWord; text: array[0..31] of Byte; start, lenght: LongInt; end; // available in sdl12 but not exposed TSDL_TextInputEvent = record type_: LongWord; timestamp: LongWord; windowID: LongWord; text: array[0..31] of Byte; end; TSDL_TouchFingerEvent = record type_: LongWord; timestamp: LongWord; windowId: LongWord; touchId: TSDL_TouchId; fingerId: TSDL_FingerId; state, padding1, padding2, padding3: Byte; x, y: Word; dx, dy: SmallInt; pressure: Word; end; TSDL_TouchButtonEvent = record type_: LongWord; timestamp: LongWord; windowId: LongWord; touchId: TSDL_TouchId; state, button, padding1, padding2: Byte; end; TSDL_MultiGestureEvent = record type_: LongWord; timestamp: LongWord; windowId: LongWord; touchId: TSDL_TouchId; dTheta, dDist, x, y: Single; numFingers, padding: Word; end; TSDL_DollarGestureEvent = record type_: LongWord; timestamp: LongWord; windowId: LongWord; touchId: Int64; gesturedId: Int64; numFingers: LongWord; error: Single; end; TSDL_DropEvent = record type_: LongWord; timestamp: LongWord; filename: PChar; end; TSDL_SysWMEvent = record type_: LongWord; timestamp: LongWord; msg: Pointer; end; {$ELSE} TSDL_KeySym = record scancode: Byte; sym: LongWord; modifier: LongWord; unicode: Word; end; TSDL_ActiveEvent = record type_: Byte; gain: Byte; state: Byte; end; TSDL_ResizeEvent = record type_: Byte; w, h: LongInt; end; {$ENDIF} TSDL_KeyboardEvent = record {$IFDEF SDL13} type_: LongWord; // timestamp: LongWord; windowID: LongWord; state, repeat_ {*,padding2, padding3*}: Byte; {$ELSE} type_, which, state: Byte; {$ENDIF} keysym: TSDL_KeySym; end; TSDL_MouseMotionEvent = record {$IFDEF SDL13} type_: LongWord; timestamp: LongWord; windowID: LongWord; state, padding1, padding2, padding3: Byte; x, y, z, xrel, yrel : LongInt; {$ELSE} type_, which, state: Byte; x, y, xrel, yrel : Word; {$ENDIF} end; TSDL_MouseButtonEvent = record {$IFDEF SDL13} type_: LongWord; timestamp: LongWord; windowID: LongWord; button, state, padding1, padding2: Byte; x, y: LongInt; {$ELSE} type_, which, button, state: Byte; x, y: Word; {$ENDIF} end; TSDL_MouseWheelEvent = record type_: LongWord; {$IFDEF SDL13} timestamp: LongWord; windowID: LongWord; {$ELSE} which: Byte; {$ENDIF} x, y: LongInt; end; TSDL_JoyAxisEvent = record {$IFDEF SDL13} type_: LongWord; timestamp: LongWord; {$ELSE} type_: Byte; {$ENDIF} which: Byte; axis: Byte; {$IFDEF SDL13} padding1, padding2: Byte; value: LongInt; {$ELSE} value: SmallInt; {$ENDIF} end; TSDL_JoyBallEvent = record {$IFDEF SDL13} type_: LongWord; timestamp: LongWord; {$ELSE} type_: Byte; {$ENDIF} which: Byte; ball: Byte; {$IFDEF SDL13} padding1, padding2: Byte; xrel, yrel: LongInt; {$ELSE} xrel, yrel: SmallInt; {$ENDIF} end; TSDL_JoyHatEvent = record {$IFDEF SDL13} type_: LongWord; timestamp: LongWord; {$ELSE} type_: Byte; {$ENDIF} which: Byte; hat: Byte; value: Byte; {$IFDEF SDL13} padding1: Byte; {$ENDIF} end; TSDL_JoyButtonEvent = record {$IFDEF SDL13} type_: LongWord; timestamp: LongWord; {$ELSE} type_: Byte; {$ENDIF} which: Byte; button: Byte; state: Byte; {$IFDEF SDL13} padding1: Byte; {$ENDIF} end; TSDL_QuitEvent = record {$IFDEF SDL13} type_: LongWord; timestamp: LongWord; {$ELSE} type_: Byte; {$ENDIF} end; TSDL_UserEvent = record {$IFDEF SDL13} type_: LongWord; timestamp: LongWord; windowID: LongWord; {$ELSE} type_: Byte; {$ENDIF} code: LongInt; data1, data2: Pointer; end; PSDL_Event = ^TSDL_Event; TSDL_Event = record {$IFDEF SDL13} case LongInt of SDL_FIRSTEVENT: (type_: LongInt); SDL_WINDOWEVENT: (window: TSDL_WindowEvent); SDL_KEYDOWN, SDL_KEYUP: (key: TSDL_KeyboardEvent); SDL_TEXTEDITING: (edit: TSDL_TextEditingEvent); SDL_TEXTINPUT: (tedit: TSDL_TextInputEvent); SDL_MOUSEMOTION: (motion: TSDL_MouseMotionEvent); SDL_MOUSEBUTTONDOWN, SDL_MOUSEBUTTONUP: (button: TSDL_MouseButtonEvent); SDL_MOUSEWHEEL: (wheel: TSDL_MouseWheelEvent); SDL_JOYAXISMOTION: (jaxis: TSDL_JoyAxisEvent); SDL_JOYBALLMOTION: (jball: TSDL_JoyBallEvent); SDL_JOYHATMOTION: (jhat: TSDL_JoyHatEvent); SDL_JOYBUTTONDOWN, SDL_JOYBUTTONUP: (jbutton: TSDL_JoyButtonEvent); SDL_QUITEV: (quit: TSDL_QuitEvent); SDL_USEREVENT: (user: TSDL_UserEvent); SDL_SYSWMEVENT: (syswm: TSDL_SysWMEvent); SDL_FINGERDOWN, SDL_FINGERUP, SDL_FINGERMOTION: (tfinger: TSDL_TouchFingerEvent); SDL_TOUCHBUTTONUP, SDL_TOUCHBUTTONDOWN: (tbutton: TSDL_TouchButtonEvent); SDL_MULTIGESTURE: (mgesture: TSDL_MultiGestureEvent); SDL_DOLLARGESTURE: (dgesture: TSDL_DollarGestureEvent); SDL_DROPFILE: (drop: TSDL_DropEvent); SDL_ALLEVENTS: (foo: shortstring); {$ELSE} case Byte of SDL_NOEVENT: (type_: Byte); SDL_ACTIVEEVENT: (active: TSDL_ActiveEvent); SDL_KEYDOWN, SDL_KEYUP: (key: TSDL_KeyboardEvent); SDL_MOUSEMOTION: (motion: TSDL_MouseMotionEvent); SDL_MOUSEBUTTONDOWN, SDL_MOUSEBUTTONUP: (button: TSDL_MouseButtonEvent); SDL_JOYAXISMOTION: (jaxis: TSDL_JoyAxisEvent); SDL_JOYHATMOTION: (jhat: TSDL_JoyHatEvent); SDL_JOYBALLMOTION: (jball: TSDL_JoyBallEvent); SDL_JOYBUTTONDOWN, SDL_JOYBUTTONUP: (jbutton: TSDL_JoyButtonEvent); SDL_QUITEV: (quit: TSDL_QuitEvent); //SDL_SYSWMEVENT,SDL_EVENT_RESERVEDA,SDL_EVENT_RESERVEDB SDL_VIDEORESIZE: (resize: TSDL_ResizeEvent); SDL_ALLEVENTS: (foo: shortstring); {$ENDIF} end; TSDL_EventFilter = function( event : PSDL_Event ): Integer; cdecl; TByteArray = array[0..65535] of Byte; PByteArray = ^TByteArray; TLongWordArray = array[0..16383] of LongWord; PLongWordArray = ^TLongWordArray; PSDL_Thread = Pointer; PSDL_mutex = Pointer; TSDL_GLattr = ( SDL_GL_RED_SIZE, SDL_GL_GREEN_SIZE, SDL_GL_BLUE_SIZE, SDL_GL_ALPHA_SIZE, SDL_GL_BUFFER_SIZE, SDL_GL_DOUBLEBUFFER, SDL_GL_DEPTH_SIZE, SDL_GL_STENCIL_SIZE, SDL_GL_ACCUM_RED_SIZE, SDL_GL_ACCUM_GREEN_SIZE, SDL_GL_ACCUM_BLUE_SIZE, SDL_GL_ACCUM_ALPHA_SIZE, SDL_GL_STEREO, SDL_GL_MULTISAMPLEBUFFERS, SDL_GL_MULTISAMPLESAMPLES, SDL_GL_ACCELERATED_VISUAL, {$IFDEF SDL13} SDL_GL_RETAINED_BACKING, SDL_GL_CONTEXT_MAJOR_VERSION, SDL_GL_CONTEXT_MINOR_VERSION {$ELSE} SDL_GL_SWAP_CONTROL {$ENDIF} ); {$IFDEF SDL13} TSDL_ArrayByteOrder = ( // array component order, low Byte -> high Byte SDL_ARRAYORDER_NONE, SDL_ARRAYORDER_RGB, SDL_ARRAYORDER_RGBA, SDL_ARRAYORDER_ARGB, SDL_ARRAYORDER_BGR, SDL_ARRAYORDER_BGRA, SDL_ARRAYORDER_ABGR ); {$ENDIF} // Joystick/Controller support PSDL_Joystick = ^TSDL_Joystick; TSDL_Joystick = record end; {* SDL_TTF *} PTTF_Font = ^TTTF_font; TTTF_Font = record end; {* SDL_mixer *} PMixChunk = ^TMixChunk; TMixChunk = record allocated: LongWord; abuf : PByte; alen : LongWord; volume : PByte; end; TMusic = (MUS_CMD, MUS_WAV, MUS_MOD, MUS_MID, MUS_OGG, MUS_MP3); TMix_Fading = (MIX_NO_FADING, MIX_FADING_OUT, MIX_FADING_IN); TMidiSong = record samples : LongInt; events : Pointer; end; TMusicUnion = record case Byte of 0: ( midi : TMidiSong ); 1: ( ogg : Pointer); end; PMixMusic = ^TMixMusic; TMixMusic = record end; TPostMix = procedure(udata: pointer; stream: PByte; len: LongInt); cdecl; {* SDL_net *} TIPAddress = record host: LongWord; port: Word; end; PTCPSocket = ^TTCPSocket; TTCPSocket = record ready: LongInt; channel: LongInt; remoteAddress: TIPaddress; localAddress: TIPaddress; sflag: LongInt; end; PSDLNet_SocketSet = ^TSDLNet_SocketSet; TSDLNet_SocketSet = record numsockets, maxsockets: LongInt; sockets: PTCPSocket; end; ///////////////////////////////////////////////////////////////// ///////////////////// FUNCTION DEFINITIONS ///////////////////// ///////////////////////////////////////////////////////////////// {* SDL *} function SDL_Init(flags: LongWord): LongInt; cdecl; external SDLLibName; function SDL_InitSubSystem(flags: LongWord): LongInt; cdecl; external SDLLibName; procedure SDL_Quit; cdecl; external SDLLibName; procedure SDL_Delay(msec: LongWord); cdecl; external SDLLibName; function SDL_GetTicks: LongWord; cdecl; external SDLLibName; function SDL_MustLock(Surface: PSDL_Surface): Boolean; function SDL_LockSurface(Surface: PSDL_Surface): LongInt; cdecl; external SDLLibName; procedure SDL_UnlockSurface(Surface: PSDL_Surface); cdecl; external SDLLibName; function SDL_GetError: PChar; cdecl; external SDLLibName; function SDL_SetVideoMode(width, height, bpp: LongInt; flags: LongWord): PSDL_Surface; cdecl; external SDLLibName; function SDL_CreateRGBSurface(flags: LongWord; Width, Height, Depth: LongInt; RMask, GMask, BMask, AMask: LongWord): PSDL_Surface; cdecl; external SDLLibName; function SDL_CreateRGBSurfaceFrom(pixels: Pointer; width, height, depth, pitch: LongInt; RMask, GMask, BMask, AMask: LongWord): PSDL_Surface; cdecl; external SDLLibName; procedure SDL_FreeSurface(Surface: PSDL_Surface); cdecl; external SDLLibName; function SDL_SetColorKey(surface: PSDL_Surface; flag, key: LongWord): LongInt; cdecl; external SDLLibName; function SDL_SetAlpha(surface: PSDL_Surface; flag, key: LongWord): LongInt; cdecl; external SDLLibName; function SDL_ConvertSurface(src: PSDL_Surface; fmt: PSDL_PixelFormat; flags: LongInt): PSDL_Surface; cdecl; external SDLLibName; function SDL_UpperBlit(src: PSDL_Surface; srcrect: PSDL_Rect; dst: PSDL_Surface; dstrect: PSDL_Rect): LongInt; cdecl; external SDLLibName; function SDL_FillRect(dst: PSDL_Surface; dstrect: PSDL_Rect; color: LongWord): LongInt; cdecl; external SDLLibName; procedure SDL_UpdateRect(Screen: PSDL_Surface; x, y: LongInt; w, h: LongWord); cdecl; external SDLLibName; function SDL_Flip(Screen: PSDL_Surface): LongInt; cdecl; external SDLLibName; procedure SDL_GetRGB(pixel: LongWord; fmt: PSDL_PixelFormat; r, g, b: PByte); cdecl; external SDLLibName; procedure SDL_GetRGBA(pixel: LongWord; fmt: PSDL_PixelFormat; r, g, b, a: PByte); cdecl; external SDLLibName; function SDL_MapRGB(format: PSDL_PixelFormat; r, g, b: Byte): LongWord; cdecl; external SDLLibName; function SDL_MapRGBA(format: PSDL_PixelFormat; r, g, b, a: Byte): LongWord; cdecl; external SDLLibName; function SDL_DisplayFormat(Surface: PSDL_Surface): PSDL_Surface; cdecl; external SDLLibName; function SDL_DisplayFormatAlpha(Surface: PSDL_Surface): PSDL_Surface; cdecl; external SDLLibName; function SDL_RWFromFile(filename, mode: PChar): PSDL_RWops; cdecl; external SDLLibName; function SDL_SaveBMP_RW(surface: PSDL_Surface; dst: PSDL_RWops; freedst: LongInt): LongInt; cdecl; external SDLLibName; {$IFDEF SDL13} function SDL_CreateWindow(title: PChar; x,y,w,h: LongInt; flags: LongWord): PSDL_Window; cdecl; external SDLLibName; function SDL_CreateRenderer(window: PSDL_Window; index: LongInt; flags: LongWord): PSDL_Renderer; cdecl; external SDLLibName; function SDL_DestroyWindow(window: PSDL_Window): LongInt; cdecl; external SDLLibName; function SDL_DestroyRenderer(renderer: PSDL_Renderer): LongInt; cdecl; external SDLLibName; procedure SDL_SetWindowSize(window: PSDL_Window; w, h: LongInt); cdecl; external SDLLibName; function SDL_GetCurrentVideoDriver:Pchar; cdecl; external SDLLibName; function SDL_GL_CreateContext(window: PSDL_Window): PSDL_GLContext; cdecl; external SDLLibName; procedure SDL_GL_DeleteContext(context: PSDL_GLContext); cdecl; external SDLLibName; function SDL_GL_SwapWindow(window: PSDL_Window): LongInt; cdecl; external SDLLibName; function SDL_GL_SetSwapInterval(interval: LongInt): LongInt; cdecl; external SDLLibName; procedure SDL_VideoQuit; cdecl; external SDLLibName; function SDL_GetNumVideoDisplays: LongInt; cdecl; external SDLLibName; procedure SDL_ShowWindow(window: PSDL_Window); cdecl; external SDLLibName; function SDL_SetRenderDrawColor(renderer: PSDL_Renderer; r,g,b,a: Byte): LongInt; cdecl; external SDLLibName; function SDL_GetRenderer(window: PSDL_Window): PSDL_Renderer; cdecl; external SDLLibName; function SDL_RenderFillRect(renderer: PSDL_Renderer; rect: PSDL_Rect): LongInt; cdecl; external SDLLibName; function SDL_RenderClear(renderer: PSDL_Renderer): LongInt; cdecl; external SDLLibName; procedure SDL_RenderPresent(renderer: PSDL_Renderer); cdecl; external SDLLibName; function SDL_RenderReadPixels(renderer: PSDL_Renderer; rect: PSDL_Rect; format: LongInt; pixels: Pointer; pitch: LongInt): LongInt; cdecl; external SDLLibName; function SDL_RenderSetViewport(window: PSDL_Window; rect: PSDL_Rect): LongInt; cdecl; external SDLLibName; function SDL_GetRelativeMouseState(x, y: PLongInt): Byte; cdecl; external SDLLibName; function SDL_PixelFormatEnumToMasks(format: TSDL_ArrayByteOrder; bpp: PLongInt; Rmask, Gmask, Bmask, Amask: PLongInt): Boolean; cdecl; external SDLLibName; procedure SDL_WarpMouseInWindow(window: PSDL_Window; x, y: LongInt); cdecl; external SDLLibName; function SDL_SetHint(name, value: PChar): Boolean; cdecl; external SDLLibName; procedure SDL_StartTextInput; cdecl; external SDLLibName; function SDL_PeepEvents(event: PSDL_Event; numevents: LongInt; action: TSDL_eventaction; minType, maxType: LongWord): LongInt; cdecl; external SDLLibName; function SDL_CreateThread(fn: Pointer; name: PChar; data: Pointer): PSDL_Thread; cdecl; external SDLLibName; {$ELSE} function SDL_CreateThread(fn: Pointer; data: Pointer): PSDL_Thread; cdecl; external SDLLibName; function SDL_PeepEvents(event: PSDL_Event; numevents: LongInt; action: TSDL_eventaction; mask: LongWord): LongInt; cdecl; external SDLLibName; {$ENDIF} function SDL_GetMouseState(x, y: PLongInt): Byte; cdecl; external SDLLibName; function SDL_GetKeyName(key: LongWord): PChar; cdecl; external SDLLibName; function SDL_GetScancodeName(key: LongWord): PChar; cdecl; external SDLLibName; function SDL_GetKeyFromScancode(key: LongWord): LongInt; cdecl; external SDLLibName; procedure SDL_PumpEvents; cdecl; external SDLLibName; function SDL_PollEvent(event: PSDL_Event): LongInt; cdecl; external SDLLibName; function SDL_WaitEvent(event: PSDL_Event): LongInt; cdecl; external SDLLibName; procedure SDL_SetEventFilter(filter: TSDL_EventFilter); cdecl; external SDLLibName; function SDL_ShowCursor(toggle: LongInt): LongInt; cdecl; external SDLLibName; procedure SDL_WM_SetIcon(icon: PSDL_Surface; mask : Byte); cdecl; external SDLLibName; procedure SDL_WM_SetCaption(title: PChar; icon: PChar); cdecl; external SDLLibName; function SDL_WM_ToggleFullScreen(surface: PSDL_Surface): LongInt; cdecl; external SDLLibName; procedure SDL_WaitThread(thread: PSDL_Thread; status: PLongInt); cdecl; external SDLLibName; function SDL_CreateMutex: PSDL_mutex; cdecl; external SDLLibName; procedure SDL_DestroyMutex(mutex: PSDL_mutex); cdecl; external SDLLibName; function SDL_LockMutex(mutex: PSDL_mutex): LongInt; cdecl; external SDLLibName name 'SDL_mutexP'; function SDL_UnlockMutex(mutex: PSDL_mutex): LongInt; cdecl; external SDLLibName name 'SDL_mutexV'; function SDL_GL_SetAttribute(attr: TSDL_GLattr; value: LongInt): LongInt; cdecl; external SDLLibName; procedure SDL_GL_SwapBuffers; cdecl; external SDLLibName; procedure SDL_LockAudio; cdecl; external SDLLibName; procedure SDL_UnlockAudio; cdecl; external SDLLibName; function SDL_NumJoysticks: LongInt; cdecl; external SDLLibName; function SDL_JoystickName(idx: LongInt): PChar; cdecl; external SDLLibName; function SDL_JoystickOpen(idx: LongInt): PSDL_Joystick; cdecl; external SDLLibName; function SDL_JoystickOpened(idx: LongInt): LongInt; cdecl; external SDLLibName; function SDL_JoystickIndex(joy: PSDL_Joystick): LongInt; cdecl; external SDLLibName; function SDL_JoystickNumAxes(joy: PSDL_Joystick): LongInt; cdecl; external SDLLibName; function SDL_JoystickNumBalls(joy: PSDL_Joystick): LongInt; cdecl; external SDLLibName; function SDL_JoystickNumHats(joy: PSDL_Joystick): LongInt; cdecl; external SDLLibName; function SDL_JoystickNumButtons(joy: PSDL_Joystick): LongInt; cdecl; external SDLLibName; procedure SDL_JoystickUpdate; cdecl; external SDLLibName; function SDL_JoystickEventState(state: LongInt): LongInt; cdecl; external SDLLibName; function SDL_JoystickGetAxis(joy: PSDL_Joystick; axis: LongInt): LongInt; cdecl; external SDLLibName; function SDL_JoystickGetBall(joy: PSDL_Joystick; ball: LongInt; dx: PInteger; dy: PInteger): Word; cdecl; external SDLLibName; function SDL_JoystickGetHat(joy: PSDL_Joystick; hat: LongInt): Byte; cdecl; external SDLLibName; function SDL_JoystickGetButton(joy: PSDL_Joystick; button: LongInt): Byte; cdecl; external SDLLibName; procedure SDL_JoystickClose(joy: PSDL_Joystick); cdecl; external SDLLibName; {$IFDEF WIN32} function SDL_putenv(const text: PChar): LongInt; cdecl; external SDLLibName; function SDL_getenv(const text: PChar): PChar; cdecl; external SDLLibName; {$ENDIF} {* Compatibility between SDL-1.2 and SDL-1.3 *} procedure SDL_WarpMouse(x, y: Word); {$IFDEF SDL13}inline{$ELSE}cdecl; external SDLLibName{$ENDIF}; function SDL_GetKeyState(numkeys: PLongInt): PByteArray; cdecl; external SDLLibName {$IFDEF SDL13} name 'SDL_GetKeyboardState'{$ENDIF}; function SDL_AllocFormat(format: LongWord): PSDL_PixelFormat; {$IFDEF SDL13}cdecl; external SDLLibName;{$ENDIF} procedure SDL_FreeFormat(pixelformat: PSDL_PixelFormat); {$IFDEF SDL13}cdecl; external SDLLibName;{$ENDIF} function SDL_VideoDriverName(namebuf: PChar; maxlen: LongInt): PChar; {$IFNDEF SDL13}cdecl; external SDLLibName;{$ENDIF} function SDL_EnableUNICODE(enable: LongInt): LongInt; {$IFNDEF SDL13}cdecl; external SDLLibName;{$ENDIF} function SDL_EnableKeyRepeat(timedelay, interval: LongInt): LongInt; {$IFNDEF SDL13}cdecl; external SDLLibName;{$ENDIF} (* SDL_ttf *) function TTF_Init: LongInt; cdecl; external SDL_TTFLibName; procedure TTF_Quit; cdecl; external SDL_TTFLibName; function TTF_SizeUTF8(font: PTTF_Font; const text: PChar; w, h: PLongInt): LongInt; cdecl; external SDL_TTFLibName; function TTF_RenderUTF8_Solid(font: PTTF_Font; const text: PChar; fg: TSDL_Color): PSDL_Surface; cdecl; external SDL_TTFLibName; function TTF_RenderUTF8_Blended(font: PTTF_Font; const text: PChar; fg: TSDL_Color): PSDL_Surface; cdecl; external SDL_TTFLibName; function TTF_RenderUTF8_Shaded(font: PTTF_Font; const text: PChar; fg, bg: TSDL_Color): PSDL_Surface; cdecl; external SDL_TTFLibName; function TTF_OpenFontRW(src: PSDL_RWops; freesrc: LongBool; size: LongInt): PTTF_Font; cdecl; external SDL_TTFLibName; procedure TTF_SetFontStyle(font: PTTF_Font; style: LongInt); cdecl; external SDL_TTFLibName; (* SDL_mixer *) function Mix_Init(flags: LongInt): LongInt; {$IFDEF SDL_MIXER_NEWER}cdecl; external SDL_MixerLibName;{$ENDIF} procedure Mix_Quit; {$IFDEF SDL_MIXER_NEWER}cdecl; external SDL_MixerLibName;{$ENDIF} function Mix_OpenAudio(frequency: LongInt; format: Word; channels: LongInt; chunksize: LongInt): LongInt; cdecl; external SDL_MixerLibName; procedure Mix_CloseAudio; cdecl; external SDL_MixerLibName; function Mix_QuerySpec(frequency: PLongInt; format: PWord; channels: PLongInt): LongInt; cdecl; external SDL_MixerLibName; function Mix_Volume(channel: LongInt; volume: LongInt): LongInt; cdecl; external SDL_MixerLibName; function Mix_SetDistance(channel: LongInt; distance: Byte): LongInt; cdecl; external SDL_MixerLibName; function Mix_VolumeMusic(volume: LongInt): LongInt; cdecl; external SDL_MixerLibName; function Mix_AllocateChannels(numchans: LongInt): LongInt; cdecl; external SDL_MixerLibName; procedure Mix_FreeChunk(chunk: PMixChunk); cdecl; external SDL_MixerLibName; procedure Mix_FreeMusic(music: PMixMusic); cdecl; external SDL_MixerLibName; function Mix_LoadWAV_RW(src: PSDL_RWops; freesrc: LongInt): PMixChunk; cdecl; external SDL_MixerLibName; function Mix_LoadMUS_RW(src: PSDL_RWops): PMixMusic; cdecl; external SDL_MixerLibName; function Mix_Playing(channel: LongInt): LongInt; cdecl; external SDL_MixerLibName; function Mix_PlayingMusic: LongInt; cdecl; external SDL_MixerLibName; function Mix_FadeInMusic(music: PMixMusic; loops: LongInt; ms: LongInt): LongInt; cdecl; external SDL_MixerLibName; function Mix_PlayChannelTimed(channel: LongInt; chunk: PMixChunk; loops: LongInt; ticks: LongInt): LongInt; cdecl; external SDL_MixerLibName; function Mix_PlayMusic(music: PMixMusic; loops: LongInt): LongInt; cdecl; external SDL_MixerLibName; function Mix_PausedMusic(music: PMixMusic): LongInt; cdecl; external SDL_MixerLibName; function Mix_PauseMusic(music: PMixMusic): LongInt; cdecl; external SDL_MixerLibName; function Mix_ResumeMusic(music: PMixMusic): LongInt; cdecl; external SDL_MixerLibName; function Mix_HaltChannel(channel: LongInt): LongInt; cdecl; external SDL_MixerLibName; function Mix_HaltMusic: LongInt; cdecl; external SDL_MixerLibName; function Mix_FadeInChannelTimed(channel: LongInt; chunk: PMixChunk; loops: LongInt; fadems: LongInt; ticks: LongInt): LongInt; cdecl; external SDL_MixerLibName; function Mix_FadeOutChannel(channel: LongInt; fadems: LongInt): LongInt; cdecl; external SDL_MixerLibName; procedure Mix_SetPostMix( mix_func: TPostMix; arg: pointer); cdecl; external SDL_MixerLibName; (* SDL_image *) function IMG_Init(flags: LongInt): LongInt; {$IFDEF SDL_IMAGE_NEWER}cdecl; external SDL_ImageLibName;{$ENDIF} procedure IMG_Quit; {$IFDEF SDL_IMAGE_NEWER}cdecl; external SDL_ImageLibName;{$ENDIF} function IMG_Load(const _file: PChar): PSDL_Surface; cdecl; external SDL_ImageLibName; function IMG_Load_RW(rwop: PSDL_RWops; freesrc: LongBool): PSDL_Surface; cdecl; external SDL_ImageLibName; function IMG_LoadPNG_RW(rwop: PSDL_RWops): PSDL_Surface; cdecl; external SDL_ImageLibName; function IMG_LoadTyped_RW(rwop: PSDL_RWops; freesrc: LongBool; type_: PChar): PSDL_Surface; cdecl; external SDL_ImageLibName; (* SDL_net *) function SDLNet_Init: LongInt; cdecl; external SDL_NetLibName; procedure SDLNet_Quit; cdecl; external SDL_NetLibName; function SDLNet_AllocSocketSet(maxsockets: LongInt): PSDLNet_SocketSet; cdecl; external SDL_NetLibName; function SDLNet_ResolveHost(var address: TIPaddress; host: PChar; port: Word): LongInt; cdecl; external SDL_NetLibName; function SDLNet_TCP_Accept(server: PTCPsocket): PTCPSocket; cdecl; external SDL_NetLibName; function SDLNet_TCP_Open(var ip: TIPaddress): PTCPSocket; cdecl; external SDL_NetLibName; function SDLNet_TCP_Send(sock: PTCPsocket; data: Pointer; len: LongInt): LongInt; cdecl; external SDL_NetLibName; function SDLNet_TCP_Recv(sock: PTCPsocket; data: Pointer; len: LongInt): LongInt; cdecl; external SDL_NetLibName; procedure SDLNet_TCP_Close(sock: PTCPsocket); cdecl; external SDL_NetLibName; procedure SDLNet_FreeSocketSet(_set: PSDLNet_SocketSet); cdecl; external SDL_NetLibName; function SDLNet_AddSocket(_set: PSDLNet_SocketSet; sock: PTCPSocket): LongInt; cdecl; external SDL_NetLibName; function SDLNet_CheckSockets(_set: PSDLNet_SocketSet; timeout: LongInt): LongInt; cdecl; external SDL_NetLibName; procedure SDLNet_Write16(value: Word; buf: Pointer); procedure SDLNet_Write32(value: LongWord; buf: Pointer); function SDLNet_Read16(buf: Pointer): Word; function SDLNet_Read32(buf: Pointer): LongWord; implementation {$IFDEF SDL13} uses strings, uVariables, uStore; // compatible functions procedure SDL_WarpMouse(x, y: Word); inline; begin WarpMouse(x, y); end; function SDL_VideoDriverName(namebuf: PChar; maxlen: LongInt): PChar; var name : PChar = nil; begin name:= SDL_GetCurrentVideoDriver(); if (name <> nil) and (namebuf <> nil) then begin strlcopy(namebuf, name, maxlen); SDL_VideoDriverName:= namebuf end; SDL_VideoDriverName:= name; end; function SDL_EnableUNICODE(enable: LongInt): LongInt; begin enable:= enable; // avoid hint SDL_StartTextInput(); SDL_EnableUNICODE:= 0; end; function SDL_EnableKeyRepeat(timedelay, interval: LongInt): LongInt; begin timedelay:= timedelay; // avoid hint interval:= interval; // avoid hint SDL_EnableKeyRepeat:= 0; end; {$ELSE} const conversionFormat: TSDL_PixelFormat = ( palette: nil; BitsPerPixel: 32; BytesPerPixel: 4; Rloss: 0; Gloss: 0; Bloss: 0; Aloss: 0; Rshift: RShift; Gshift: GShift; Bshift: BShift; Ashift: AShift; RMask: RMask; GMask: GMask; BMask: BMask; AMask: AMask; colorkey: 0; alpha: 255); function SDL_AllocFormat(format: LongWord): PSDL_PixelFormat; begin format:= format; SDL_AllocFormat:= @conversionFormat; end; procedure SDL_FreeFormat(pixelformat: PSDL_PixelFormat); begin pixelformat:= pixelformat; // avoid hint end; {$ENDIF} function SDL_MustLock(Surface: PSDL_Surface): Boolean; begin SDL_MustLock:= {$IFDEF SDL13} ((surface^.flags and SDL_RLEACCEL) <> 0) {$ELSE} ( surface^.offset <> 0 ) or (( surface^.flags and (SDL_HWSURFACE or SDL_ASYNCBLIT or SDL_RLEACCEL)) <> 0) {$ENDIF} end; {$IFNDEF SDL_MIXER_NEWER} function Mix_Init(flags: LongInt): LongInt; begin Mix_Init:= flags; end; procedure Mix_Quit; begin end; {$ENDIF} {$IFNDEF SDL_IMAGE_NEWER} function IMG_Init(flags: LongInt): LongInt; begin IMG_Init:= flags; end; procedure IMG_Quit; begin end; {$ENDIF} procedure SDLNet_Write16(value: Word; buf: Pointer); begin PByteArray(buf)^[1]:= value; PByteArray(buf)^[0]:= value shr 8 end; procedure SDLNet_Write32(value: LongWord; buf: Pointer); begin PByteArray(buf)^[3]:= value; PByteArray(buf)^[2]:= value shr 8; PByteArray(buf)^[1]:= value shr 16; PByteArray(buf)^[0]:= value shr 24 end; function SDLNet_Read16(buf: Pointer): Word; begin SDLNet_Read16:= PByteArray(buf)^[1] or (PByteArray(buf)^[0] shl 8) end; function SDLNet_Read32(buf: Pointer): LongWord; begin SDLNet_Read32:= PByteArray(buf)^[3] or (PByteArray(buf)^[2] shl 8) or (PByteArray(buf)^[1] shl 16) or (PByteArray(buf)^[0] shl 24) end; end.