Allow head of rope to attach to hogs/barrels/crates again. Rope still does not, to avoid the bug.
(*
* Hedgewars, a free turn based strategy game
* Copyright (c) 2004-2011 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}
{$linklib pthread}
{$ENDIF}
{$ENDIF}
{$IFDEF FPC}
{$PACKRECORDS C}
{$ELSE}
{$DEFINE cdecl attribute(cdecl)}
{$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_APPINPUTFOCUS = $02;
SDL_BUTTON_WHEELUP = 4;
SDL_BUTTON_WHEELDOWN = 5;
{$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;
//TODO: implement otheer event types
SDL_USEREVENT = $8000;
SDL_LASTEVENT = $FFFF;
// 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; // TODO: outdated? no longer in SDL 1.3?
// 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}
{* 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 = $00000004;
/////////////////////////////////////////////////////////////////
/////////////////////// TYPE DEFINITIONS ///////////////////////
/////////////////////////////////////////////////////////////////
type
{$IFDEF SDL13}
PSDL_Window = Pointer;
PSDL_Renderer = Pointer;
PSDL_Texture = Pointer;
{$ENDIF}
PSDL_Rect = ^TSDL_Rect;
TSDL_Rect = record
{$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
{$IFDEF SDL13}
format: Longword;
palette: Pointer; // actually it is a PSDL_Palette
BitsPerPixel : Byte;
BytesPerPixel: Byte;
padding: array[0..1] of Byte;
RMask : Longword;
GMask : Longword;
BMask : Longword;
AMask : Longword;
Rloss : Byte;
Gloss : Byte;
Bloss : Byte;
Aloss : Byte;
Rshift: Byte;
Gshift: Byte;
Bshift: Byte;
Ashift: Byte;
refcount: LongInt;
next: PSDL_PixelFormat;
{$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;
{$ENDIF}
end;
PSDL_Surface = ^TSDL_Surface;
TSDL_Surface = record
flags : Longword;
format: PSDL_PixelFormat;
w, h : LongInt;
pitch : Word;
pixels: Pointer;
offset: LongInt;
{$IFDEF SDL13}
userdata: Pointer;
locked: LongInt;
lock_data: Pointer;
clip_rect: TSDL_Rect;
map: Pointer;
refcount: LongInt;
{$ENDIF}
end;
PSDL_Color = ^TSDL_Color;
TSDL_Color = record
case byte of
0: ( r: Byte;
g: Byte;
b: Byte;
unused: Byte; );
1: ( value: Longword; );
end;
PSDL_RWops = ^TSDL_RWops;
TSeek = function( context: PSDL_RWops; offset: LongInt; whence: LongInt ): LongInt; cdecl;
TRead = function( context: PSDL_RWops; Ptr: Pointer; size: LongInt; maxnum : LongInt ): LongInt; cdecl;
TWrite = function( context: PSDL_RWops; Ptr: Pointer; size: LongInt; num: LongInt ): LongInt; cdecl;
TClose = function( context: PSDL_RWops ): LongInt; cdecl;
TStdio = record
autoclose: {$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 *}
{$IFDEF SDL13}
TSDL_KeySym = record
scancode: LongInt;
sym: LongInt;
modifier: Smallint;
unicode: LongInt;
end;
TSDL_WindowEvent = record
type_: LongInt;
windowID: LongInt;
event: byte;
padding1, padding2, padding3: byte;
data1, data2: LongInt;
end;
{$ELSE}
TSDL_KeySym = record
scancode: Byte;
sym: Longword;
modifier: Longword;
unicode: Word;
end;
// these two are present in sdl1.3 but only for backward compatibility
// and in 1.3 type_ is LongInt, not byte
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_: LongInt;
windowID: LongInt;
state, repeat_, padding2, padding3: byte;
{$ELSE}
type_: byte;
which: byte;
state: byte;
{$ENDIF}
keysym: TSDL_KeySym;
end;
//TODO: implement SDL_TextEditingEvent + SDL_TextInputEvent for sdl13
// this structure is wrong but the correct version makes the game hang
TSDL_MouseMotionEvent = record
which: byte;
state: byte;
{$IFDEF SDL13}
type_: LongInt;
windowID: LongInt;
padding1, padding2: byte;
x, y, z, xrel, yrel : LongInt;
pressure, pressure_max, pressure_min,
rotation, tilt, cursor: LongInt;
{$ELSE}
type_: byte;
x, y, xrel, yrel : word;
{$ENDIF}
end;
TSDL_MouseButtonEvent = record
{$IFDEF SDL13}
type_: LongInt;
windowID: LongInt;
x, y: LongInt;
padding1: byte;
{$ELSE}
type_,
which,
button,
state: byte;
x, y: word;
{$ENDIF}
end;
{$IFDEF SDL13}
TSDL_MouseWheelEvent = record
type_: LongInt;
windowID: LongInt;
which: Byte;
x, y: LongInt;
end;
//TODO: implement SDL_ProximityEvent
{$ENDIF}
TSDL_JoyAxisEvent = record
type_: {$IFDEF SDL13}LongInt{$ELSE}Byte{$ENDIF};
which: Byte;
axis: Byte;
{$IFDEF SDL13}
padding1, padding2: Byte;
value: LongInt;
{$ELSE}
value: Smallint;
{$ENDIF}
end;
TSDL_JoyBallEvent = record
type_: {$IFDEF SDL13}LongInt{$ELSE}Byte{$ENDIF};
which: Byte;
ball: Byte;
{$IFDEF SDL13}
padding1, padding2: Byte;
xrel, yrel: LongInt;
{$ELSE}
xrel, yrel: Smallint;
{$ENDIF}
end;
TSDL_JoyHatEvent = record
type_: {$IFDEF SDL13}LongInt{$ELSE}Byte{$ENDIF};
which: Byte;
hat: Byte;
value: Byte;
{$IFDEF SDL13}
padding1: Byte;
{$ENDIF}
end;
TSDL_JoyButtonEvent = record
type_: {$IFDEF SDL13}LongInt{$ELSE}Byte{$ENDIF};
which: Byte;
button: Byte;
state: Byte;
{$IFDEF SDL13}
padding1: Byte;
{$ENDIF}
end;
//TODO: implement SDL_TouchButtonEvent, SDL_MultiGestureEvent, SDL_DollarGestureEvent
TSDL_QuitEvent = record
type_: {$IFDEF SDL13}LongInt{$ELSE}Byte{$ENDIF};
end;
TSDL_UserEvent = record
{$IFDEF SDL13}
type_: LongInt;
windowID: LongInt;
{$ELSE}
type_: Byte;
{$ENDIF}
code: LongInt;
data1, data2: Pointer;
end;
PSDL_Event = ^TSDL_Event;
TSDL_Event = record
{$IFDEF SDL13}
case LongInt of
SDL_FIRSTEVENT: (type_: LongInt);
SDL_WINDOWEVENT: (window: TSDL_WindowEvent);
SDL_KEYDOWN,
SDL_KEYUP: (key: TSDL_KeyboardEvent);
SDL_TEXTEDITING,
SDL_TEXTINPUT: (edit: byte);
SDL_MOUSEMOTION: (motion: TSDL_MouseMotionEvent);
SDL_MOUSEBUTTONDOWN,
SDL_MOUSEBUTTONUP: (button: TSDL_MouseButtonEvent);
SDL_MOUSEWHEEL: (wheel: TSDL_MouseWheelEvent);
SDL_JOYAXISMOTION: (jaxis: TSDL_JoyAxisEvent);
SDL_JOYBALLMOTION: (jball: TSDL_JoyBallEvent);
SDL_JOYHATMOTION: (jhat: TSDL_JoyHatEvent);
SDL_JOYBUTTONDOWN,
SDL_JOYBUTTONUP: (jbutton: TSDL_JoyButtonEvent);
SDL_QUITEV: (quit: TSDL_QuitEvent);
SDL_USEREVENT: (user: TSDL_UserEvent);
//TODO: implement other events
{$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);
{$ENDIF}
end;
PByteArray = ^TByteArray;
TByteArray = array[0..65535] of Byte;
PLongWordArray = ^TLongWordArray;
TLongWordArray = array[0..16383] of LongWord;
PSDL_Thread = Pointer;
PSDL_mutex = Pointer;
TSDL_GLattr = (
SDL_GL_RED_SIZE,
SDL_GL_GREEN_SIZE,
SDL_GL_BLUE_SIZE,
SDL_GL_ALPHA_SIZE,
SDL_GL_BUFFER_SIZE,
SDL_GL_DOUBLEBUFFER,
SDL_GL_DEPTH_SIZE,
SDL_GL_STENCIL_SIZE,
SDL_GL_ACCUM_RED_SIZE,
SDL_GL_ACCUM_GREEN_SIZE,
SDL_GL_ACCUM_BLUE_SIZE,
SDL_GL_ACCUM_ALPHA_SIZE,
SDL_GL_STEREO,
SDL_GL_MULTISAMPLEBUFFERS,
SDL_GL_MULTISAMPLESAMPLES,
SDL_GL_ACCELERATED_VISUAL,
{$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;
{* 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;
function SDL_VideoDriverName(var namebuf; maxlen: LongInt): PChar; cdecl; external SDLLibName;
function SDL_EnableUNICODE(enable: LongInt): LongInt; cdecl; external SDLLibName;
function SDL_EnableKeyRepeat(delay_, interval: LongInt): LongInt; 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;
{$IFDEF SDL13}
function SDL_CreateWindow(title: PChar; x,y,w,h, flags: LongInt): PSDL_Window; cdecl; external SDLLibName;
function SDL_CreateRenderer(window: PSDL_Window; index, flags: LongInt): PSDL_Renderer; cdecl; external SDLLibName;
function SDL_DestroyRenderer(renderer: PSDL_Renderer): LongInt; cdecl; external SDLLibName;
function SDL_DestroyWindow(window: PSDL_Window): LongInt; cdecl; external SDLLibName;
procedure SDL_VideoQuit; cdecl; external SDLLibName;
function SDL_GetNumVideoDisplays: LongInt; cdecl; external SDLLibName;
function SDL_SetRenderDrawColor(renderer: PSDL_Renderer; r,g,b,a: byte): LongInt; cdecl; external SDLLibName;
function SDL_RenderFillRect(renderer: PSDL_Renderer; rect: PSDL_Rect): LongInt; cdecl; external SDLLibName;
function SDL_RenderClear(renderer: PSDL_Renderer): LongInt; cdecl; external SDLLibName;
procedure SDL_RenderPresent(renderer: PSDL_Renderer); cdecl; external SDLLibName;
function SDL_RenderReadPixels(renderer: PSDL_Renderer; rect: PSDL_Rect; format: LongInt; pixels: pointer; pitch: LongInt): LongInt; cdecl; external SDLLibName;
function SDL_SelectMouse(index: LongInt): LongInt; cdecl; external SDLLibName;
function SDL_GetRelativeMouseState(x, y: PLongInt): Byte; cdecl; external SDLLibName;
function SDL_GetNumMice: LongInt; cdecl; external SDLLibName;
function SDL_PixelFormatEnumToMasks(format: TSDL_ArrayByteOrder; bpp: PLongInt; Rmask, Gmask, Bmask, Amask: PLongInt): boolean; cdecl; external SDLLibName;
procedure SDL_WarpMouseInWindow(window: PSDL_Window; x, y: LongInt); cdecl; external SDLLibName;
{$ENDIF}
function SDL_GetMouseState(x, y: PLongInt): Byte; cdecl; external SDLLibName;
function SDL_GetKeyName(key: Longword): PChar; 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;
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;
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;
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;
function SDL_putenv(const text: PChar): LongInt; cdecl; external SDLLibName;
function SDL_getenv(const text: PChar): PChar; cdecl; external SDLLibName;
{* Compatibility between SDL-1.2 and SDL-1.3 *}
procedure SDL_WarpMouse(x, y: Word); {$IFNDEF SDL13}cdecl; external SDLLibName;{$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}
{* OpenGL *}
{$IFDEF DARWIN}
function CGLGetCurrentContext(): Pointer; cdecl; external 'OpenGL';
procedure CGLSetParameter(context: Pointer; option: LongInt; value: Pointer); cdecl; external 'OpenGL';
{$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; out w, h: LongInt): 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_OpenFont(const filename: PChar; 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; cdecl; external SDL_MixerLibName;
procedure Mix_Quit; cdecl; external SDL_MixerLibName;
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_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(const filename: PChar): 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_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;
(* SDL_image *)
function IMG_Init(flags: LongInt): LongInt; cdecl; external SDL_ImageLibName;
procedure IMG_Quit; cdecl; external SDL_ImageLibName;
function IMG_Load(const _file: PChar): PSDL_Surface; cdecl; external SDL_ImageLibName;
function IMG_Load_RW(rwop: PSDL_RWops; freesrc: LongInt): 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: LongInt; 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
uses uVariables;
{$IFDEF SDL13}
// this needs to be reimplemented because in SDL_compat.c the window is the one created in the SDL_SetVideoMode
// compatible function, but we use SDL_CreateWindow, so the window would be NULL
procedure SDL_WarpMouse(x, y: Word);
begin
SDL_WarpMouseInWindow(SDLwindow, x, y);
end;
{$ELSE}
function SDL_AllocFormat(format: Longword): PSDL_PixelFormat;
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);
begin
format:= format;
exit(@conversionFormat);
end;
procedure SDL_FreeFormat(pixelformat: PSDL_PixelFormat);
begin
pixelformat:= pixelformat;
end;
{$ENDIF}
function SDL_MustLock(Surface: PSDL_Surface): Boolean;
begin
{$IFDEF SDL13}
SDL_MustLock:= ((surface^.flags and SDL_RLEACCEL) <> 0)
{$ELSE}
SDL_MustLock:= ( surface^.offset <> 0 ) or (( surface^.flags and (SDL_HWSURFACE or SDL_ASYNCBLIT or SDL_RLEACCEL)) <> 0)
{$ENDIF}
end;
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.