(*

 * Hedgewars, a worms-like game

 * Copyright (c) 2004-2007 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

 *)

{$IFNDEF FPC}

WriteLn('Only Freepascal supported');

{$ENDIF}

program hwengine;

uses

  SDLh,

  uConsts in 'uConsts.pas',

  uGame in 'uGame.pas',

  uMisc in 'uMisc.pas',

  uStore in 'uStore.pas',

  uWorld in 'uWorld.pas',

  uIO in 'uIO.pas',

  uGears in 'uGears.pas',

  uConsole in 'uConsole.pas',

  uKeys in 'uKeys.pas',

  uTeams in 'uTeams.pas',

  uSound in 'uSound.pas',

  uRandom in 'uRandom.pas',

  uAI in 'uAI.pas',

  uAIMisc in 'uAIMisc.pas',

  uAIAmmoTests in 'uAIAmmoTests.pas',

  uAIActions in 'uAIActions.pas',

  uCollisions in 'uCollisions.pas',

  uLand in 'uLand.pas',

  uLandTemplates in 'uLandTemplates.pas',

  uLandObjects in 'uLandObjects.pas',

  uLandGraphics in 'uLandGraphics.pas',

  uLocale in 'uLocale.pas',

  uAmmos in 'uAmmos.pas',

  uSHA in 'uSHA.pas',

  uFloat in 'uFloat.pas';

{$INCLUDE options.inc}

// also: GSHandlers.inc

//       CCHandlers.inc

//       HHHandlers.inc

//       SinTable.inc

//       proto.inc

procedure OnDestroy; forward;

////////////////////////////////

procedure DoTimer(Lag: LongInt);

const MusicTimerTicks: Longword = 0;

var s: string;

begin

inc(RealTicks, Lag);

inc(MusicTimerTicks, Lag);

if (MusicTimerTicks > 3000) and (GameState > gsStart) then

   begin

   PlayMusic;

   MusicTimerTicks:= 0

   end;

case GameState of

   gsLandGen: begin

              GenMap;

              GameState:= gsStart;

              end;

     gsStart: begin

              InitPlaylistChunk(GetRandom(High(LongWord)));

              AssignHHCoords;

              AddMiscGears;

              AdjustColor(cColorNearBlack);

              AdjustColor(cWaterColor);

              AdjustColor(cWhiteColor);

              StoreLoad;

              AdjustColor(cConsoleSplitterColor);

              ResetKbd;

              SoundLoad;

              if GameType = gmtSave then

                 begin

                 isSEBackup:= isSoundEnabled;

                 isSoundEnabled:= false

                 end;

              FinishProgress;

              GameState:= gsGame

              end;

     gsGame : begin

              ProcessKbd;

              DoGameTick(Lag);

              DrawWorld(Lag, SDLPrimSurface);

              end;

   gsConsole: begin

              DoGameTick(Lag);

              DrawWorld(Lag, SDLPrimSurface);

              DrawConsole(SDLPrimSurface);

              end;

     gsExit : begin

              OnDestroy;

              end;

     end;

SDL_Flip(SDLPrimSurface);

if flagMakeCapture then

   begin

   flagMakeCapture:= false;

   s:= 'hw_' + cSeed + '_' + inttostr(GameTicks) + '.bmp';

   WriteLnToConsole('Saving ' + s);

   SDL_SaveBMP_RW(SDLPrimSurface, SDL_RWFromFile(Str2PChar(s), 'wb'), 1)

   end;

end;

////////////////////

procedure OnDestroy;

begin

{$IFDEF DEBUGFILE}AddFileLog('Freeing resources...');{$ENDIF}

if isSoundEnabled then ReleaseSound;

CloseIPC;

TTF_Quit;

SDL_Quit;

halt

end;

///////////////////

procedure MainLoop;

var PrevTime,

    CurrTime: Longword;

    event: TSDL_Event;

begin

PrevTime:= SDL_GetTicks;

repeat

while SDL_PollEvent(@event) <> 0 do

      case event.type_ of

           SDL_KEYDOWN: case GameState of

                             gsGame: if event.key.keysym.sym = 96 then

                                        begin

                                        cConsoleYAdd:= cConsoleHeight;

                                        GameState:= gsConsole

                                        end;

                          gsConsole: if event.key.keysym.sym = 96 then

                                        begin

                                        GameState:= gsGame;

                                        cConsoleYAdd:= 0;

                                        ResetKbd

                                        end else KeyPressConsole(event.key.keysym.unicode);

                             end;

           SDL_ACTIVEEVENT: if (event.active.state and SDL_APPINPUTFOCUS) <> 0 then

                               cHasFocus:= event.active.gain = 1;

           SDL_QUITEV: isTerminated:= true

           end;

CurrTime:= SDL_GetTicks;

if PrevTime + cTimerInterval <= CurrTime then

   begin

   DoTimer(CurrTime - PrevTime);

   PrevTime:= CurrTime

   end else SDL_Delay(1);

IPCCheckSock

until isTerminated

end;

////////////////////

procedure GetParams;

var 

{$IFDEF DEBUGFILE}

    i: LongInt;

{$ENDIF}

    p: TPathType;

begin

{$IFDEF DEBUGFILE}

AddFileLog('Prefix: "' + PathPrefix +'"');

for i:= 0 to ParamCount do

    AddFileLog(inttostr(i) + ': ' + ParamStr(i));

{$ENDIF}

case ParamCount of

13: begin

     val(ParamStr(2), cScreenWidth);

     val(ParamStr(3), cScreenHeight);

     cBitsStr:= ParamStr(4);

     val(cBitsStr, cBits);

     val(ParamStr(5), ipcPort);

     cFullScreen:= ParamStr(6) = '1';

     isSoundEnabled:= ParamStr(7) = '1';

     cLocaleFName:= ParamStr(8);

     val(ParamStr(9), cInitVolume);

     val(ParamStr(10), cTimerInterval);

     PathPrefix:= ParamStr(11);

     cShowFPS:= ParamStr(12) = '1';

     cAltDamage:= ParamStr(13) = '1';

     for p:= Succ(Low(TPathType)) to High(TPathType) do

         if p <> ptMapCurrent then Pathz[p]:= PathPrefix + '/' + Pathz[p];

     AddClouds

     end;

  3: begin

     val(ParamStr(2), ipcPort);

     GameType:= gmtLandPreview;

     if ParamStr(3) <> 'landpreview' then OutError(errmsgShouldntRun, true);

     end

   else

   OutError(errmsgShouldntRun, true)

   end

end;

procedure ShowMainWindow;

begin

if cFullScreen then ParseCommand('fullscr 1', true)

               else ParseCommand('fullscr 0', true);

SDL_ShowCursor(0)

end;

///////////////

procedure Game;

var s: shortstring;

begin

WriteToConsole('Init SDL... ');

SDLTry(SDL_Init(SDL_INIT_VIDEO) >= 0, true);

WriteLnToConsole(msgOK);

SDL_EnableUNICODE(1);

WriteToConsole('Init SDL_ttf... ');

SDLTry(TTF_Init <> -1, true);

WriteLnToConsole(msgOK);

ShowMainWindow;

InitKbdKeyTable;

InitIPC;

WriteLnToConsole(msgGettingConfig);

LoadLocale(Pathz[ptLocale] + '/' + cLocaleFName);

SendIPCAndWaitReply('C');        // ask for game config

s:= 'eproto ' + inttostr(cNetProtoVersion);

SendIPCRaw(@s[0], Length(s) + 1); // send proto version

InitTeams;

AssignStores;

if isSoundEnabled then InitSound;

InitWorld;

StoreInit;

isDeveloperMode:= false;

TryDo(InitStepsFlags = cifAllInited,

      'Some parameters not set (flags = ' + inttostr(InitStepsFlags) + ')',

      true);

MainLoop

end;

/////////////////////////

procedure GenLandPreview;

var Preview: TPreview;

begin

InitIPC;

IPCWaitPongEvent;

TryDo(InitStepsFlags = cifRandomize,

      'Some parameters not set (flags = ' + inttostr(InitStepsFlags) + ')',

      true);

Preview:= GenPreview;

WriteLnToConsole('Sending preview...');

SendIPCRaw(@Preview, sizeof(Preview));

WriteLnToConsole('Preview sent, disconnect');

CloseIPC

end;

////////////////////////////////////////////////////////////////////////////////

/////////////////////////////// m a i n ////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////

begin

WriteLnToConsole('-= HedgeWars 0.9 =-');

WriteLnToConsole('  -= by unC0Rr =-  ');

GetParams;

Randomize;

if GameType = gmtLandPreview then GenLandPreview

                             else Game

end.