hedgewars/SDLh.pas
changeset 1 30f2d1037d5d
child 4 bcbd7adb4e4b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hedgewars/SDLh.pas	Mon Aug 22 13:35:41 2005 +0000
@@ -0,0 +1,384 @@
+(*
+ * Hedgewars, a worms-like game
+ * Copyright (c) 2004, 2005 Andrey Korotaev <unC0Rr@gmail.com>
+ *
+ * Distributed under the terms of the BSD-modified licence:
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * with the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *)
+
+unit SDLh;
+interface
+{$IFDEF LINUX}
+{$DEFINE UNIX}
+{$ENDIF}
+{$IFDEF FREEBSD}
+{$DEFINE UNIX}
+{$ENDIF}
+
+{$IFDEF UNIX}
+{$linklib c}
+{$linklib pthread}  // кажется, это только для FreeBSD, не уверен
+{$ENDIF}
+
+{$IFDEF FPC}
+  {$MODE Delphi}
+  {$PACKRECORDS 4}
+{$ENDIF}
+
+(*  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_KEYDOWN     = 2;
+      SDL_KEYUP       = 3;
+      SDL_QUITEV      = 12;
+
+      SDL_INIT_VIDEO  = $00000020;
+type PSDL_Rect = ^TSDL_Rect;
+     TSDL_Rect = record
+                 x, y: SmallInt;
+                 w, h: Word;
+                 end;
+
+     TPoint = record
+              x: Integer;
+              y: Integer;
+              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  : Integer;
+                    pitch : Word;
+                    pixels: Pointer;
+                    offset: Integer;
+                    hwdata: Pointer;
+                    clip_rect: TSDL_Rect;
+                    unused1,
+                    locked   : Longword;
+                    Blitmap  : Pointer;
+                    format_version: Longword;
+                    refcount : Integer;
+                    end;
+
+     PSDL_Color = ^TSDL_Color;
+     TSDL_Color = record
+                  r: Byte;
+                  g: Byte;
+                  b: Byte;
+                  a: Byte;
+                  end;
+
+     PSDL_RWops = ^TSDL_RWops;
+     TSeek = function( context: PSDL_RWops; offset: Integer; whence: Integer ): Integer; cdecl;
+     TRead = function( context: PSDL_RWops; Ptr: Pointer; size: Integer; maxnum : Integer ): Integer;  cdecl;
+     TWrite = function( context: PSDL_RWops; Ptr: Pointer; size: Integer; num: Integer ): Integer; cdecl;
+     TClose = function( context: PSDL_RWops ): Integer; cdecl;
+
+     TStdio = record
+              autoclose: Integer;
+              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,
+                   modifier: Longword;
+                   unicode: Word;
+                   end;
+
+     TSDL_KeyboardEvent = record
+                          type_: Byte;
+                          which: Byte;
+                          state: Byte;
+                          keysym: TSDL_KeySym;
+                          end;
+
+     TSDL_QuitEvent = record
+                      type_: Byte;
+                      end;
+     PSDL_Event = ^TSDL_Event;
+     TSDL_Event = record
+                  case Byte of
+                       SDL_NOEVENT: (type_: byte);
+                       SDL_KEYDOWN, SDL_KEYUP: (key: TSDL_KeyboardEvent);
+                       SDL_QUITEV: (quit: TSDL_QuitEvent);
+                       end;
+
+     PByteArray = ^TByteArray;
+     TByteArray = array[0..32767] of Byte;
+
+function  SDL_Init(flags: Longword): Integer; 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): Integer; 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: Integer; flags: Longword): PSDL_Surface; cdecl; external SDLLibName;
+function  SDL_CreateRGBSurface(flags: Longword; Width, Height, Depth: Integer; RMask, GMask, BMask, AMask: Longword): PSDL_Surface; cdecl; external SDLLibName;
+function  SDL_CreateRGBSurfaceFrom(pixels: Pointer; width, height, depth, pitch: Integer; 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): Integer; cdecl; external SDLLibName;
+
+function  SDL_UpperBlit(src: PSDL_Surface; srcrect: PSDL_Rect; dst: PSDL_Surface; dstrect: PSDL_Rect): Integer; cdecl; external SDLLibName;
+function  SDL_FillRect(dst: PSDL_Surface; dstrect: PSDL_Rect; color: Longword): Integer; cdecl; external SDLLibName;
+procedure SDL_UpdateRect(Screen: PSDL_Surface; x, y: Integer; w, h: Longword); cdecl; external SDLLibName;
+function  SDL_Flip(Screen: PSDL_Surface): Integer; 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): Integer; cdecl; external SDLLibName;
+
+function  SDL_DisplayFormat(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: Integer): Integer; cdecl; external SDLLibName;
+
+function  SDL_GetKeyState(numkeys: PInteger): 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): Integer; cdecl; external SDLLibName;
+
+function  SDL_ShowCursor(toggle: Integer): Integer; cdecl; external SDLLibName;
+
+procedure SDL_WM_SetCaption(title: PChar; icon: PChar); cdecl; external SDLLibName;
+
+(*  TTF  *)
+
+const {$IFDEF WIN32}
+      SDL_TTFLibName = 'SDL_ttf.dll';
+      {$ENDIF}
+      {$IFDEF UNIX}
+      SDL_TTFLibName = 'libSDL_ttf.so';
+      {$ENDIF}
+
+
+type PTTF_Font = ^TTTF_font;
+     TTTF_Font = record
+                 end;
+
+function TTF_Init: integer; cdecl; external SDL_TTFLibName;
+procedure TTF_Quit; cdecl; external SDL_TTFLibName;
+
+
+function TTF_SizeText(font : PTTF_Font; const text: PChar; var w, h: integer): Integer; cdecl; external SDL_TTFLibName;
+function TTF_RenderText_Solid(font : PTTF_Font; const text: PChar; fg: TSDL_Color): PSDL_Surface; cdecl; external SDL_TTFLibName;
+function TTF_RenderText_Blended(font : PTTF_Font; const text: PChar; fg: TSDL_Color): PSDL_Surface; cdecl; external SDL_TTFLibName;
+function TTF_OpenFont(const filename: Pchar; size: integer): PTTF_Font; cdecl; external SDL_TTFLibName;
+
+(*  SDL_mixer *)
+
+const {$IFDEF WIN32}
+      SDL_MixerLibName = 'SDL_mixer.dll';
+      {$ENDIF}
+      {$IFDEF UNIX}
+      SDL_MixerLibName = 'libSDL_mixer.so';
+      {$ENDIF}
+
+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 : Integer;
+               events  : pointer;
+               end;
+
+     TMusicUnion = record
+        case Byte of
+             0: ( midi : TMidiSong );
+             1: ( ogg  : pointer);
+             end;
+
+     PMixMusic = ^TMixMusic;
+     TMixMusic = record
+                 type_  : TMusic;
+                 data   : TMusicUnion;
+                 fading : TMix_Fading;
+                 fade_volume,
+                 fade_step,
+                 fade_steps,
+                 error  : integer;
+                 end;
+
+function  Mix_OpenAudio(frequency: integer; format: Word; channels: integer; chunksize: integer): integer; cdecl; external SDL_MixerLibName;
+procedure Mix_CloseAudio; cdecl; external SDL_MixerLibName;
+
+function  Mix_VolumeMusic(volume: integer): integer; 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: integer): PMixChunk; cdecl; external SDL_MixerLibName;
+function  Mix_LoadMUS(const filename: PChar): PMixMusic; cdecl; external SDL_MixerLibName;
+
+function  Mix_Playing(channel: integer): integer; cdecl; external SDL_MixerLibName;
+function  Mix_PlayingMusic: integer; cdecl; external SDL_MixerLibName;
+
+function  Mix_PlayChannelTimed(channel: integer; chunk: PMixChunk; loops: integer; ticks: integer): integer; cdecl; external SDL_MixerLibName;
+function  Mix_PlayMusic(music: PMixMusic; loops: integer): integer; cdecl; external SDL_MixerLibName;
+function  Mix_HaltChannel(channel: integer): integer; 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,
+                  channel: integer;
+                  remoteAddress,
+                  localAddress: TIPaddress;
+                  sflag: integer;
+                  end;
+     PSDLNet_SocketSet = ^TSDLNet_SocketSet;
+     TSDLNet_SocketSet = record
+                         numsockets,
+                         maxsockets: integer;
+                         sockets: PTCPSocket;
+                         end;
+
+function SDLNet_Init: integer; cdecl; external SDL_NetLibName;
+procedure SDLNet_Quit; cdecl; external SDL_NetLibName;
+
+function SDLNet_AllocSocketSet(maxsockets: integer): PSDLNet_SocketSet; cdecl; external SDL_NetLibName;
+function SDLNet_ResolveHost(var address: TIPaddress; host: PCHar; port: Word): integer; 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: integer): integer; cdecl; external SDL_NetLibName;
+function SDLNet_TCP_Recv(sock: PTCPsocket; data: Pointer; len: integer): integer; 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): integer; cdecl; external SDL_NetLibName;
+function SDLNet_CheckSockets(_set: PSDLNet_SocketSet; timeout: integer): integer; cdecl; external SDL_NetLibName;
+
+
+implementation
+
+function SDL_MustLock(Surface: PSDL_Surface): Boolean;
+begin
+Result:= ( surface^.offset <> 0 )
+       or(( surface^.flags and (SDL_HWSURFACE or SDL_ASYNCBLIT or SDL_RLEACCEL)) <> 0)
+end;
+
+end.