(*
* Hedgewars, a free turn based strategy game
* Copyright (c) 2004-2008 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
*)
unit SDLh;
interface
{$IFDEF LINUX}
{$DEFINE UNIX}
{$ENDIF}
{$IFDEF FREEBSD}
{$DEFINE UNIX}
{$ENDIF}
{$IFDEF UNIX}
{$linklib c}
{$linklib pthread}
{$ENDIF}
{$PACKRECORDS C}
(* SDL *)
const {$IFDEF WIN32}
SDLLibName = 'SDL.dll';
{$ENDIF}
{$IFDEF UNIX}
SDLLibName = 'libSDL.so';
{$ENDIF}
SDL_SWSURFACE = $00000000;
SDL_HWSURFACE = $00000001;
SDL_ASYNCBLIT = $00000004;
SDL_ANYFORMAT = $10000000;
SDL_HWPALETTE = $20000000;
SDL_DOUBLEBUF = $40000000;
SDL_FULLSCREEN = $80000000;
SDL_NOFRAME = $00000020;
SDL_HWACCEL = $00000100;
SDL_SRCCOLORKEY = $00001000;
SDL_RLEACCEL = $00004000;
SDL_NOEVENT = 0;
SDL_ACTIVEEVENT = 1;
SDL_KEYDOWN = 2;
SDL_KEYUP = 3;
SDL_QUITEV = 12;
SDL_VIDEORESIZE = 16;
SDL_APPINPUTFOCUS = 2;
SDL_INIT_VIDEO = $00000020;
SDL_INIT_AUDIO = $00000010;
SDL_GL_DOUBLEBUFFER = 5;
SDL_OPENGL = 2;
SDL_RESIZABLE = $00000010;
RMask = $FF;
GMask = $FF00;
BMask = $FF0000;
AMask = $FF000000;
type PSDL_Rect = ^TSDL_Rect;
TSDL_Rect = record
x, y: SmallInt;
w, h: Word;
end;
TPoint = record
X: LongInt;
Y: LongInt;
end;
PSDL_PixelFormat = ^TSDL_PixelFormat;
TSDL_PixelFormat = record
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;
end;
PSDL_Surface = ^TSDL_Surface;
TSDL_Surface = record
flags : Longword;
format: PSDL_PixelFormat;
w, h : LongInt;
pitch : Word;
pixels: Pointer;
offset: LongInt;
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: LongInt;
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;
TSDL_KeySym = record
scancode: Byte;
sym: Longword;
modifier: Longword;
unicode: Word;
end;
TSDL_ActiveEvent = record
type_: byte;
gain: byte;
state: byte;
end;
TSDL_KeyboardEvent = record
type_: Byte;
which: Byte;
state: Byte;
keysym: TSDL_KeySym;
end;
TSDL_QuitEvent = record
type_: Byte;
end;
TSDL_ResizeEvent = record
type_: Byte;
w, h: LongInt;
end;
PSDL_Event = ^TSDL_Event;
TSDL_Event = record
case Byte of
SDL_NOEVENT: (type_: byte);
SDL_ACTIVEEVENT: (active: TSDL_ActiveEvent);
SDL_KEYDOWN, SDL_KEYUP: (key: TSDL_KeyboardEvent);
SDL_QUITEV: (quit: TSDL_QuitEvent);
SDL_VIDEORESIZE: (resize: TSDL_ResizeEvent);
end;
PByteArray = ^TByteArray;
TByteArray = array[0..65535] of Byte;
PLongWordArray = ^TLongWordArray;
TLongWordArray = array[0..16383] of LongWord;
PSDL_Thread = Pointer;
PSDL_mutex = Pointer;
function SDL_Init(flags: Longword): LongInt; cdecl; external SDLLibName;
procedure SDL_Quit; cdecl; external SDLLibName;
function SDL_VideoDriverName(var namebuf; maxlen: LongInt): PChar; cdecl; external SDLLibName;
procedure SDL_EnableUNICODE(enable: 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_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;
function SDL_MapRGB(format: PSDL_PixelFormat; r, g, b: 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;
function SDL_GetKeyState(numkeys: PLongInt): PByteArray; cdecl; external SDLLibName;
function SDL_GetMouseState(x, y: PInteger): Byte; cdecl; external SDLLibName;
function SDL_GetKeyName(key: Longword): PChar; cdecl; external SDLLibName;
procedure SDL_WarpMouse(x, y: Word); cdecl; external SDLLibName;
function SDL_PollEvent(event: PSDL_Event): LongInt; cdecl; external SDLLibName;
function SDL_ShowCursor(toggle: LongInt): LongInt; cdecl; external SDLLibName;
procedure SDL_WM_SetCaption(title: PChar; icon: PChar); 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: byte; value: LongInt): LongInt; cdecl; external SDLLibName;
procedure SDL_GL_SwapBuffers(); cdecl; external SDLLibName;
(* TTF *)
const {$IFDEF WIN32}
SDL_TTFLibName = 'SDL_ttf.dll';
{$ENDIF}
{$IFDEF UNIX}
SDL_TTFLibName = 'libSDL_ttf.so';
{$ENDIF}
TTF_STYLE_NORMAL = 0;
TTF_STYLE_BOLD = 1;
TTF_STYLE_ITALIC = 2;
type PTTF_Font = ^TTTF_font;
TTTF_Font = record
end;
function TTF_Init: LongInt; cdecl; external SDL_TTFLibName;
procedure TTF_Quit; cdecl; external SDL_TTFLibName;
function TTF_SizeUTF8(font: PTTF_Font; const text: PChar; var w, h: LongInt): LongInt; cdecl; external SDL_TTFLibName;
(* TSDL_Color -> Longword conversion is workaround over freepascal bug.
See http://www.freepascal.org/mantis/view.php?id=7613 for details *)
function TTF_RenderUTF8_Solid(font: PTTF_Font; const text: PChar; fg: Longword): PSDL_Surface; cdecl; external SDL_TTFLibName;
function TTF_RenderUTF8_Blended(font: PTTF_Font; const text: PChar; fg: Longword): PSDL_Surface; cdecl; external SDL_TTFLibName;
function TTF_RenderUTF8_Shaded(font: PTTF_Font; const text: PChar; fg, bg: Longword): PSDL_Surface; cdecl; external SDL_TTFLibName;
function TTF_OpenFont(const filename: PChar; size: LongInt): PTTF_Font; cdecl; external SDL_TTFLibName;
procedure TTF_SetFontStyle(font: PTTF_Font; style: LongInt); cdecl; external SDL_TTFLibName;
(* SDL_mixer *)
const {$IFDEF WIN32}
SDL_MixerLibName = 'SDL_mixer.dll';
{$ENDIF}
{$IFDEF UNIX}
SDL_MixerLibName = 'libSDL_mixer.so';
{$ENDIF}
const MIX_MAX_VOLUME = 128;
type 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;
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_HaltChannel(channel: LongInt): LongInt; cdecl; external SDL_MixerLibName;
(* SDL_image *)
const {$IFDEF WIN32}
SDL_ImageLibName = 'SDL_image.dll';
{$ENDIF}
{$IFDEF UNIX}
SDL_ImageLibName = 'libSDL_image.so';
{$ENDIF}
function IMG_Load(const _file: PChar): PSDL_Surface; cdecl; external SDL_ImageLibName;
(* SDL_net *)
const {$IFDEF WIN32}
SDL_NetLibName = 'SDL_net.dll';
{$ENDIF}
{$IFDEF UNIX}
SDL_NetLibName = 'libSDL_net.so';
{$ENDIF}
type 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 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
function SDL_MustLock(Surface: PSDL_Surface): Boolean;
begin
SDL_MustLock:= ( surface^.offset <> 0 )
or(( surface^.flags and (SDL_HWSURFACE or SDL_ASYNCBLIT or SDL_RLEACCEL)) <> 0)
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.