Tell AI to avoid edges, especially ones over water (this does not include checking whether a knock could drown yet). Also make flakes pick a new random dx/dy on respawn to further reduce patterns. Also disable a couple of weapons for the particularly dumb AI levels, and disable switching for the dumbest.
(*
* 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
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: 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;
{* 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;
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_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; {$IFDEF SDL_MIXER_NEWER}cdecl; external SDL_MixerLibName;{$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_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_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;
(* 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: 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
{$IFDEF SDL13}
uses strings, uVariables, uStore;
// compatible functions
procedure SDL_WarpMouse(x, y: Word); inline;
begin
WarpMouse(x, y);
end;
function SDL_VideoDriverName(namebuf: PChar; maxlen: LongInt): PChar;
var name : PChar = nil;
begin
name:= SDL_GetCurrentVideoDriver();
if (name <> nil) and (namebuf <> nil) then
begin
strlcopy(namebuf, name, maxlen);
SDL_VideoDriverName:= namebuf
end;
SDL_VideoDriverName:= name;
end;
function SDL_EnableUNICODE(enable: LongInt): LongInt;
begin
enable:= enable; // avoid hint
SDL_StartTextInput();
SDL_EnableUNICODE:= 0;
end;
function SDL_EnableKeyRepeat(timedelay, interval: LongInt): LongInt;
begin
timedelay:= timedelay; // avoid hint
interval:= interval; // avoid hint
SDL_EnableKeyRepeat:= 0;
end;
{$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.