(*

 * Hedgewars, a free turn based strategy 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

 *)

{$INCLUDE "options.inc"}

{$IFDEF IPHONEOS}

unit hwengine;

interface

{$ELSE}

program hwengine;

{$ENDIF}

uses	SDLh in 'SDLh.pas',

	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',

	uVisualGears in 'uVisualGears.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',

	uStats in 'uStats.pas',

	uChat in 'uChat.pas',

	uTriggers in 'uTriggers.pas',

	uLandTexture in 'uLandTexture.pas'

	{$IFDEF IPHONEOS}

	, PascalExports in 'PascalExports.pas'

	{$ENDIF}

	;

// also: GSHandlers.inc

//       CCHandlers.inc

//       HHHandlers.inc

//       SinTable.inc

//       proto.inc

{$IFDEF IPHONEOS}

type arrayofpchar = array[0..6] of PChar;

procedure DoTimer(Lag: LongInt);

procedure OnDestroy;

procedure MainLoop;

procedure ShowMainWindow;

procedure Game(gameArgs: arrayofpchar); cdecl; export;

procedure initEverything;

procedure freeEverything;

implementation

{$ELSE}

procedure OnDestroy; forward;

procedure freeEverything; forward;

{$ENDIF}

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

procedure DoTimer(Lag: LongInt);

{$IFNDEF IPHONEOS}

var s: string;

{$ENDIF}

begin

	inc(RealTicks, Lag);

	case GameState of

		gsLandGen: begin

				GenMap;

				GameState:= gsStart;

				end;

		gsStart: begin

				if HasBorder then DisableSomeWeapons;

				AddClouds;

				AssignHHCoords;

				AddMiscGears;

				StoreLoad;

				InitWorld;

				ResetKbd;

				SoundLoad;

				if GameType = gmtSave then

					begin

					isSEBackup:= isSoundEnabled;

					isSoundEnabled:= false

					end;

				FinishProgress;

				PlayMusic;

				SetScale(zoom);

				GameState:= gsGame;

				end;

		gsConfirm,

		gsGame: begin

				DrawWorld(Lag); // never place between ProcessKbd and DoGameTick - bugs due to /put cmd and isCursorVisible

				ProcessKbd;

				DoGameTick(Lag);

				ProcessVisualGears(Lag);

				end;

		gsChat: begin

				DrawWorld(Lag);

				DoGameTick(Lag);

				ProcessVisualGears(Lag);

				end;

		gsExit: begin

				isTerminated:= true;

				end;

		end;

	SDL_GL_SwapBuffers();

{$IFNDEF IPHONEOS}

	// not going to make captures on the iPhone

	if flagMakeCapture then

	begin

		flagMakeCapture:= false;

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

		WriteLnToConsole('Saving ' + s);

		MakeScreenshot(s);

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

	end;

{$ENDIF}

end;

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

procedure OnDestroy;

begin

	WriteLnToConsole('Freeing resources...');

	if isSoundEnabled then ReleaseSound();

	StoreRelease();

	FreeLand();

	ControllerClose();

	SendKB();

	CloseIPC();

	freeEverything();

	TTF_Quit();

	{$IFDEF SDL13}SDL_VideoQuit();{$ENDIF}

	SDL_Quit();

	exit();

end;

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

procedure MainLoop; 

var PrevTime,

    CurrTime: Longword;

    {$IFNDEF IPHONEOS}event: TSDL_Event;{$ENDIF}

begin

	PrevTime:= SDL_GetTicks;

	repeat

{$IFNDEF IPHONEOS}

// have to remove this cycle because otherwise it segfaults at exit

		while SDL_PollEvent(@event) <> 0 do

		begin

			case event.type_ of

				SDL_KEYDOWN: if GameState = gsChat then KeyPressChat(event.key.keysym.unicode);

{$IFDEF SDL13}

				SDL_WINDOWEVENT:

{$ELSE}

				SDL_ACTIVEEVENT:

{$ENDIF}

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

						cHasFocus:= event.active.gain = 1;

				//SDL_VIDEORESIZE: Resize(max(event.resize.w, 600), max(event.resize.h, 450));

				SDL_MOUSEBUTTONDOWN: if event.button.button = SDL_BUTTON_WHEELDOWN then uKeys.wheelDown:= true;

				SDL_MOUSEBUTTONUP: if event.button.button = SDL_BUTTON_WHEELUP then uKeys.wheelUp:= true;

				SDL_JOYAXISMOTION: ControllerAxisEvent(event.jaxis.which, event.jaxis.axis, event.jaxis.value);

				SDL_JOYHATMOTION: ControllerHatEvent(event.jhat.which, event.jhat.hat, event.jhat.value);

				SDL_JOYBUTTONDOWN: ControllerButtonEvent(event.jbutton.which, event.jbutton.button, true);

				SDL_JOYBUTTONUP: ControllerButtonEvent(event.jbutton.which, event.jbutton.button, false);

				SDL_QUITEV: isTerminated:= true

			end; // end case event.type_ of

		end; // end while SDL_PollEvent(@event) <> 0 do

{$ENDIF}

		CurrTime:= SDL_GetTicks;

		if PrevTime + cTimerInterval <= CurrTime then

		begin

			DoTimer(CurrTime - PrevTime);

			PrevTime:= CurrTime

		end else SDL_Delay(1);

		if isTerminated = false then IPCCheckSock();

	until isTerminated;

	exit();

end;

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

procedure ShowMainWindow;

begin

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

	else ParseCommand('fullscr 0', true);

	SDL_ShowCursor(0)

end;

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

{$IFDEF IPHONEOS}

procedure Game(gameArgs: arrayofpchar); cdecl; export;

{$ELSE}

procedure Game;cdecl; export;

{$ENDIF}

var	p: TPathType;

	s: shortstring;

begin

{$IFDEF IPHONEOS}

	initEverything();

	Randomize();

	val('320', cScreenWidth);

	val('480', cScreenHeight);

	cInitWidth:= cScreenWidth;

	cInitHeight:= cScreenHeight;

	cBitsStr:= '32';

	val(cBitsStr, cBits);

	cFullScreen:= true;

	cVSyncInUse:= true;

	val('8', cTimerInterval);

	PathPrefix:= 'Data';

	cReducedQuality:= false;

	cShowFPS:= true;

	UserNick:= gameArgs[0];

	val(gameArgs[1], ipcPort);

	isSoundEnabled:= gameArgs[2] = '1';

	isMusicEnabled:= gameArgs[3] = '1';

	cLocaleFName:= gameArgs[4];

	val(gameArgs[5], cInitVolume);

	cAltDamage:= gameArgs[6] = '1';

{$ENDIF}

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

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

	WriteToConsole('Init SDL... ');

	WriteLnToConsole(msgOK);

	SDL_EnableUNICODE(1);

	WriteToConsole('Init SDL_ttf... ');

	SDLTry(TTF_Init <> -1, true);

	WriteLnToConsole(msgOK);

	ShowMainWindow;

	AddProgress;

	ControllerInit; // has to happen before InitKbdKeyTable to map keys

	InitKbdKeyTable;

	if recordFileName = '' then

		InitIPC;

	WriteLnToConsole(msgGettingConfig);

	if cLocaleFName <> 'en.txt' then

		LoadLocale(Pathz[ptLocale] + '/en.txt');

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

	if recordFileName = '' then

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

	else

		LoadRecordFromFile(recordFileName);

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

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

	InitTeams;

	AssignStores;

	if isSoundEnabled then

		InitSound;

	isDeveloperMode:= false;

	TryDo(InitStepsFlags = cifAllInited, 'Some parameters not set (flags = ' + inttostr(InitStepsFlags) + ')', true);

	MainLoop();

	OnDestroy();

	exit();

end;

procedure initEverything;

begin

	init_uConsts();

	init_uMisc();

	init_uConsole();	// MUST happen after uMisc

	init_uStore();

	init_uTeams();

	init_uGears();

	init_uVisualGears();

	init_uLand();

	init_uIO();

	init_uWorld();

	init_uRandom;

	init_uTriggers;

end;

procedure freeEverything;

begin

	//free_uConts(); not necessary

	free_uConsole();

	free_uMisc();

	free_uTeams();

	free_uGears();

	//free_uVisualGears(); not necessary

	free_uLand();

	//free_uWorld(); not necessary

end;

{$IFNDEF IPHONEOS}

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

procedure GenLandPreview;

var Preview: TPreview;

    h: byte;

begin

	InitIPC;

	IPCWaitPongEvent;

	TryDo(InitStepsFlags = cifRandomize, 'Some parameters not set (flags = ' + inttostr(InitStepsFlags) + ')', true);

	Preview:= GenPreview;

	WriteLnToConsole('Sending preview...');

	SendIPCRaw(@Preview, sizeof(Preview));

	h:= MaxHedgehogs;

	SendIPCRaw(@h, sizeof(h));

	WriteLnToConsole('Preview sent, disconnect');

	CloseIPC();

end;

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

procedure Resize(w, h: LongInt);

begin

	cScreenWidth:= w;

	cScreenHeight:= h;

	if cFullScreen then

		ParseCommand('/fullscr 1', true)

	else

		ParseCommand('/fullscr 0', true);

end;

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

procedure DisplayUsage;

var i: LongInt;

begin

	WriteLn('Wrong argument format: correct configurations is');

	WriteLn();

	WriteLn('  hwengine <path to data folder> <path to replay file> [option]');

	WriteLn();

	WriteLn('where [option] must be specified either as');

	WriteLn(' --set-video [screen width] [screen height] [color dept]');

	WriteLn(' --set-audio [volume] [enable music] [enable sounds]');

	WriteLn(' --set-other [language file] [full screen] [show FPS]');

	WriteLn(' --set-multimedia [screen height] [screen width] [color dept] [volume] [enable music] [enable sounds] [language file] [full screen]');

	WriteLn(' --set-everything [screen height] [screen width] [color dept] [volume] [enable music] [enable sounds] [language file] [full screen] [show FPS] [alternate damage] [timer value] [reduced quality]');

	WriteLn();

	WriteLn('Read documentation online at http://www.hedgewars.org/node/1465 for more information');

	Write('parsed command: ');

	for i:=0 to ParamCount do

		Write(ParamStr(i) + ' ');

	WriteLn();

	halt(1);

end;

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

procedure GetParams;

{$IFDEF DEBUGFILE}

var i: LongInt;

{$ENDIF}

begin

	case ParamCount of

		17: begin

			val(ParamStr(2), cScreenWidth);

			val(ParamStr(3), cScreenHeight);

			cInitWidth:= cScreenWidth;

			cInitHeight:= cScreenHeight;

			cBitsStr:= ParamStr(4);

			val(cBitsStr, cBits);

			val(ParamStr(5), ipcPort);

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

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

			cVSyncInUse:= ParamStr(8) = '1';

			cLocaleFName:= ParamStr(9);

			val(ParamStr(10), cInitVolume);

			val(ParamStr(11), cTimerInterval);

			PathPrefix:= ParamStr(12);

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

			cAltDamage:= ParamStr(14) = '1';

			UserNick:= DecodeBase64(ParamStr(15));

			isMusicEnabled:= ParamStr(16) = '1';

			cReducedQuality:= ParamStr(17) = '1';

		end;

		3: begin

			val(ParamStr(2), ipcPort);

			GameType:= gmtLandPreview;

			if ParamStr(3) <> 'landpreview' then 

				OutError(errmsgShouldntRun, true);

		end;

		2: begin

			PathPrefix:= ParamStr(1);

			recordFileName:= ParamStr(2);

		end;

		6: begin

			PathPrefix:= ParamStr(1);

			recordFileName:= ParamStr(2);

			if ParamStr(3) = '--set-video'	then

			begin

				val(ParamStr(4), cScreenWidth);

				val(ParamStr(5), cScreenHeight);

				cInitWidth:= cScreenWidth;

				cInitHeight:= cScreenHeight;

				cBitsStr:= ParamStr(6);

				val(cBitsStr, cBits);

			end

			else

			begin

				if ParamStr(3) = '--set-audio' then

				begin

					val(ParamStr(4), cInitVolume);

					isMusicEnabled:= ParamStr(5) = '1';

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

				end

				else

				begin

					if ParamStr(3) = '--set-other' then

					begin

						cLocaleFName:= ParamStr(4);

						cFullScreen:= ParamStr(5) = '1';

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

					end

					else DisplayUsage;

				end

			end;

		end;

		11: begin

			PathPrefix:= ParamStr(1);

			recordFileName:= ParamStr(2);

			if ParamStr(3) = '--set-multimedia' then

			begin

				val(ParamStr(4), cScreenWidth);

				val(ParamStr(5), cScreenHeight);

				cInitWidth:= cScreenWidth;

				cInitHeight:= cScreenHeight;

				cBitsStr:= ParamStr(6);

				val(cBitsStr, cBits);

				val(ParamStr(7), cInitVolume);

				isMusicEnabled:= ParamStr(8) = '1';

				isSoundEnabled:= ParamStr(9) = '1';

				cLocaleFName:= ParamStr(10);

				cFullScreen:= ParamStr(11) = '1';

			end

			else DisplayUsage;

		end;

		15: begin

			PathPrefix:= ParamStr(1);

			recordFileName:= ParamStr(2);

			if ParamStr(3) = '--set-everything' then

			begin

				val(ParamStr(4), cScreenWidth);

				val(ParamStr(5), cScreenHeight);

				cInitWidth:= cScreenWidth;

				cInitHeight:= cScreenHeight;

				cBitsStr:= ParamStr(6);

				val(cBitsStr, cBits);