1 /*

     2  * Hedgewars-iOS, a Hedgewars port for iOS devices

     3  * Copyright (c) 2009-2011 Vittorio Giovara <vittorio.giovara@gmail.com>

     4  *

     5  * This program is free software; you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License as published by

     7  * the Free Software Foundation; version 2 of the License

     8  *

     9  * This program is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12  * GNU General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU General Public License

    15  * along with this program; if not, write to the Free Software

    16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

    17  *

    18  * File created on 10/01/2010.

    19  */

    20 

    21 

    22 #import "GameSetup.h"

    23 #import "PascalImports.h"

    24 #import "CommodityFunctions.h"

    25 #import "OverlayViewController.h"

    26 

    27 #define BUFFER_SIZE 255     // like in original frontend

    28 

    29 @implementation GameSetup

    30 @synthesize systemSettings, gameConfig, statsArray, savePath, menuStyle;

    31 

    32 -(id) initWithDictionary:(NSDictionary *)gameDictionary {

    33     if (self = [super init]) {

    34         ipcPort = randomPort();

    35 

    36         // the general settings file + menu style (read by the overlay)

    37         NSDictionary *dictSett = [[NSDictionary alloc] initWithContentsOfFile:SETTINGS_FILE()];

    38         self.menuStyle = [[dictSett objectForKey:@"menu"] boolValue];

    39         self.systemSettings = dictSett;

    40         [dictSett release];

    41 

    42         // this game run settings

    43         self.gameConfig = [gameDictionary objectForKey:@"game_dictionary"];

    44 

    45         // is it a netgame?

    46         isNetGame = [[gameDictionary objectForKey:@"netgame"] boolValue];

    47 

    48         // is it a Save?

    49         NSString *path = [gameDictionary objectForKey:@"savefile"];

    50         // if path is empty it means that you have to create a new file, otherwise read from that file

    51         if ([path isEqualToString:@""] == YES) {

    52             NSDateFormatter *outputFormatter = [[NSDateFormatter alloc] init];

    53             [outputFormatter setDateFormat:@"yyyy-MM-dd '@' HH.mm"];

    54             NSString *newDateString = [outputFormatter stringFromDate:[NSDate date]];

    55             self.savePath = [SAVES_DIRECTORY() stringByAppendingFormat:@"%@.hws", newDateString];

    56             [outputFormatter release];

    57         } else

    58             self.savePath = path;

    59 

    60         self.statsArray = nil;

    61     }

    62     return self;

    63 }

    64 

    65 -(void) dealloc {

    66     [statsArray release];

    67     [gameConfig release];

    68     [systemSettings release];

    69     [savePath release];

    70     [super dealloc];

    71 }

    72 

    73 #pragma mark -

    74 #pragma mark Provider functions

    75 // unpacks team data from the selected team.plist to a sequence of engine commands

    76 -(void) provideTeamData:(NSString *)teamName forHogs:(NSInteger) numberOfPlayingHogs withHealth:(NSInteger) initialHealth ofColor:(NSNumber *)teamColor {

    77     /*

    78      addteam <32charsMD5hash> <color> <team name>

    79      addhh <level> <health> <hedgehog name>

    80      <level> is 0 for human, 1-5 for bots (5 is the most stupid)

    81     */

    82 

    83     NSString *teamFile = [[NSString alloc] initWithFormat:@"%@/%@", TEAMS_DIRECTORY(), teamName];

    84     NSDictionary *teamData = [[NSDictionary alloc] initWithContentsOfFile:teamFile];

    85     [teamFile release];

    86 

    87     NSString *teamHashColorAndName = [[NSString alloc] initWithFormat:@"eaddteam %@ %@ %@",

    88                                       [teamData objectForKey:@"hash"], [teamColor stringValue], [teamName stringByDeletingPathExtension]];

    89     [self sendToEngine: teamHashColorAndName];

    90     [teamHashColorAndName release];

    91 

    92     NSString *grave = [[NSString alloc] initWithFormat:@"egrave %@", [teamData objectForKey:@"grave"]];

    93     [self sendToEngine: grave];

    94     [grave release];

    95 

    96     NSString *fort = [[NSString alloc] initWithFormat:@"efort %@", [teamData objectForKey:@"fort"]];

    97     [self sendToEngine: fort];

    98     [fort release];

    99 

   100     NSString *voicepack = [[NSString alloc] initWithFormat:@"evoicepack %@", [teamData objectForKey:@"voicepack"]];

   101     [self sendToEngine: voicepack];

   102     [voicepack release];

   103 

   104     NSString *flag = [[NSString alloc] initWithFormat:@"eflag %@", [teamData objectForKey:@"flag"]];

   105     [self sendToEngine: flag];

   106     [flag release];

   107 

   108     NSArray *hogs = [teamData objectForKey:@"hedgehogs"];

   109     for (int i = 0; i < numberOfPlayingHogs; i++) {

   110         NSDictionary *hog = [hogs objectAtIndex:i];

   111 

   112         NSString *hogLevelHealthAndName = [[NSString alloc] initWithFormat:@"eaddhh %@ %d %@",

   113                                            [hog objectForKey:@"level"], initialHealth, [hog objectForKey:@"hogname"]];

   114         [self sendToEngine: hogLevelHealthAndName];

   115         [hogLevelHealthAndName release];

   116 

   117         NSString *hogHat = [[NSString alloc] initWithFormat:@"ehat %@", [hog objectForKey:@"hat"]];

   118         [self sendToEngine: hogHat];

   119         [hogHat release];

   120     }

   121 

   122     [teamData release];

   123 }

   124 

   125 // unpacks ammostore data from the selected ammo.plist to a sequence of engine commands

   126 -(void) provideAmmoData:(NSString *)ammostoreName forPlayingTeams:(NSInteger) numberOfTeams {

   127     NSString *weaponPath = [[NSString alloc] initWithFormat:@"%@/%@",WEAPONS_DIRECTORY(),ammostoreName];

   128     NSDictionary *ammoData = [[NSDictionary alloc] initWithContentsOfFile:weaponPath];

   129     [weaponPath release];

   130 

   131     // if we're loading an older version of ammos fill the engine message with 0s

   132     int diff = HW_getNumberOfWeapons() - [[ammoData objectForKey:@"ammostore_initialqt"] length];

   133     NSString *update = @"";

   134     while ([update length] < diff)

   135         update = [update stringByAppendingString:@"0"];

   136 

   137     NSString *ammloadt = [[NSString alloc] initWithFormat:@"eammloadt %@%@", [ammoData objectForKey:@"ammostore_initialqt"], update];

   138     [self sendToEngine: ammloadt];

   139     [ammloadt release];

   140 

   141     NSString *ammprob = [[NSString alloc] initWithFormat:@"eammprob %@%@", [ammoData objectForKey:@"ammostore_probability"], update];

   142     [self sendToEngine: ammprob];

   143     [ammprob release];

   144 

   145     NSString *ammdelay = [[NSString alloc] initWithFormat:@"eammdelay %@%@", [ammoData objectForKey:@"ammostore_delay"], update];

   146     [self sendToEngine: ammdelay];

   147     [ammdelay release];

   148 

   149     NSString *ammreinf = [[NSString alloc] initWithFormat:@"eammreinf %@%@", [ammoData objectForKey:@"ammostore_crate"], update];

   150     [self sendToEngine: ammreinf];

   151     [ammreinf release];

   152 

   153     // send this for each team so it applies the same ammostore to all teams

   154     NSString *ammstore = [[NSString alloc] initWithString:@"eammstore"];

   155     for (int i = 0; i < numberOfTeams; i++)

   156         [self sendToEngine: ammstore];

   157     [ammstore release];

   158 

   159     [ammoData release];

   160 }

   161 

   162 // unpacks scheme data from the selected scheme.plist to a sequence of engine commands

   163 -(NSInteger) provideScheme:(NSString *)schemeName {

   164     NSString *schemePath = [[NSString alloc] initWithFormat:@"%@/%@",SCHEMES_DIRECTORY(),schemeName];

   165     NSDictionary *schemeDictionary = [[NSDictionary alloc] initWithContentsOfFile:schemePath];

   166     [schemePath release];

   167     NSArray *basicArray = [schemeDictionary objectForKey:@"basic"];

   168     NSArray *gamemodArray = [schemeDictionary objectForKey:@"gamemod"];

   169     int result = 0;

   170     int mask = 0x00000004;

   171 

   172     // pack the gameflags in a single var and send it

   173     for (NSNumber *value in gamemodArray) {

   174         if ([value boolValue] == YES)

   175             result |= mask;

   176         mask <<= 1;

   177     }

   178     NSString *flags = [[NSString alloc] initWithFormat:@"e$gmflags %d",result];

   179     [self sendToEngine:flags];

   180     [flags release];

   181 

   182     /* basic game flags */

   183     NSString *path = [[NSString alloc] initWithFormat:@"%@/basicFlags_en.plist",IFRONTEND_DIRECTORY()];

   184     NSArray *mods = [[NSArray alloc] initWithContentsOfFile:path];

   185     [path release];

   186 

   187     result = [[basicArray objectAtIndex:0] intValue];

   188 

   189     for (int i = 1; i < [basicArray count]; i++) {

   190         NSDictionary *dict = [mods objectAtIndex:i];

   191         NSString *command = [dict objectForKey:@"command"];

   192         NSInteger value = [[basicArray objectAtIndex:i] intValue];

   193         if ([[dict objectForKey:@"checkOverMax"] boolValue] && value >= [[dict objectForKey:@"max"] intValue])

   194             value = 9999;

   195         if ([[dict objectForKey:@"times1000"] boolValue])

   196             value = value * 1000;

   197         NSString *strToSend = [[NSString alloc] initWithFormat:@"%@ %d",command,value];

   198         [self sendToEngine:strToSend];

   199         [strToSend release];

   200     }

   201     [mods release];

   202 

   203     [schemeDictionary release];

   204     return result;

   205 }

   206 

   207 #pragma mark -

   208 #pragma mark Network relevant code

   209 -(void) dumpRawData:(const char *)buffer ofSize:(uint8_t) length {

   210     // is it performant to reopen the stream every time?

   211     NSOutputStream *os = [[NSOutputStream alloc] initToFileAtPath:self.savePath append:YES];

   212     [os open];

   213     [os write:&length maxLength:1];

   214     [os write:(const uint8_t *)buffer maxLength:length];

   215     [os close];

   216     [os release];

   217 }

   218 

   219 // wrapper that computes the length of the message and then sends the command string, saving the command on a file

   220 -(int) sendToEngine:(NSString *)string {

   221     uint8_t length = [string length];

   222 

   223     [self dumpRawData:[string UTF8String] ofSize:length];

   224     SDLNet_TCP_Send(csd, &length, 1);

   225     return SDLNet_TCP_Send(csd, [string UTF8String], length);

   226 }

   227 

   228 // wrapper that computes the length of the message and then sends the command string, skipping file writing

   229 -(int) sendToEngineNoSave:(NSString *)string {

   230     uint8_t length = [string length];

   231 

   232     SDLNet_TCP_Send(csd, &length, 1);

   233     return SDLNet_TCP_Send(csd, [string UTF8String], length);

   234 }

   235 

   236 // method that handles net setup with engine and keeps connection alive

   237 -(void) engineProtocol {

   238     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

   239     TCPsocket sd;

   240     IPaddress ip;

   241     int eProto;

   242     BOOL clientQuit;

   243     char const buffer[BUFFER_SIZE];

   244     uint8_t msgSize;

   245 

   246     clientQuit = NO;

   247     csd = NULL;

   248 

   249     if (SDLNet_Init() < 0) {

   250         DLog(@"SDLNet_Init: %s", SDLNet_GetError());

   251         clientQuit = YES;

   252     }

   253 

   254     // Resolving the host using NULL make network interface to listen

   255     if (SDLNet_ResolveHost(&ip, NULL, ipcPort) < 0 && !clientQuit) {

   256         DLog(@"SDLNet_ResolveHost: %s\n", SDLNet_GetError());

   257         clientQuit = YES;

   258     }

   259 

   260     // Open a connection with the IP provided (listen on the host's port)

   261     if (!(sd = SDLNet_TCP_Open(&ip)) && !clientQuit) {

   262         DLog(@"SDLNet_TCP_Open: %s %\n", SDLNet_GetError(), ipcPort);

   263         clientQuit = YES;

   264     }

   265 

   266     DLog(@"Waiting for a client on port %d", ipcPort);

   267     while (csd == NULL)

   268         csd = SDLNet_TCP_Accept(sd);

   269     SDLNet_TCP_Close(sd);

   270 

   271     while (!clientQuit) {

   272         msgSize = 0;

   273         memset((void *)buffer, '\0', BUFFER_SIZE);

   274         if (SDLNet_TCP_Recv(csd, &msgSize, sizeof(uint8_t)) <= 0)

   275             break;

   276         if (SDLNet_TCP_Recv(csd, (void *)buffer, msgSize) <= 0)

   277             break;

   278 

   279         switch (buffer[0]) {

   280             case 'C':

   281                 DLog(@"sending game config...\n%@",self.gameConfig);

   282 

   283                 if (isNetGame == YES)

   284                     [self sendToEngineNoSave:@"TN"];

   285                 else

   286                     [self sendToEngineNoSave:@"TL"];

   287                 NSString *saveHeader = @"TS";

   288                 [self dumpRawData:[saveHeader UTF8String] ofSize:[saveHeader length]];

   289 

   290                 // seed info

   291                 [self sendToEngine:[self.gameConfig objectForKey:@"seed_command"]];

   292 

   293                 // dimension of the map

   294                 [self sendToEngine:[self.gameConfig objectForKey:@"templatefilter_command"]];

   295                 [self sendToEngine:[self.gameConfig objectForKey:@"mapgen_command"]];

   296                 [self sendToEngine:[self.gameConfig objectForKey:@"mazesize_command"]];

   297 

   298                 // static land (if set)

   299                 NSString *staticMap = [self.gameConfig objectForKey:@"staticmap_command"];

   300                 if ([staticMap length] != 0)

   301                     [self sendToEngine:staticMap];

   302 

   303                 // lua script (if set)

   304                 NSString *script = [self.gameConfig objectForKey:@"mission_command"];

   305                 if ([script length] != 0)

   306                     [self sendToEngine:script];

   307                 

   308                 // theme info

   309                 [self sendToEngine:[self.gameConfig objectForKey:@"theme_command"]];

   310 

   311                 // scheme (returns initial health)

   312                 NSInteger health = [self provideScheme:[self.gameConfig objectForKey:@"scheme"]];

   313 

   314                 // send an ammostore for each team

   315                 NSArray *teamsConfig = [self.gameConfig objectForKey:@"teams_list"];

   316                 [self provideAmmoData:[self.gameConfig objectForKey:@"weapon"] forPlayingTeams:[teamsConfig count]];

   317 

   318                 // finally add hogs

   319                 for (NSDictionary *teamData in teamsConfig) {

   320                     [self provideTeamData:[teamData objectForKey:@"team"]

   321                                   forHogs:[[teamData objectForKey:@"number"] intValue]

   322                                withHealth:health

   323                                   ofColor:[teamData objectForKey:@"color"]];

   324                 }

   325                 break;

   326             case '?':

   327                 DLog(@"Ping? Pong!");

   328                 [self sendToEngine:@"!"];

   329                 break;

   330             case 'E':

   331                 DLog(@"ERROR - last console line: [%s]", &buffer[1]);

   332                 clientQuit = YES;

   333                 break;

   334             case 'e':

   335                 [self dumpRawData:buffer ofSize:msgSize];

   336 

   337                 sscanf((char *)buffer, "%*s %d", &eProto);

   338                 int netProto;

   339                 char *versionStr;

   340 

   341                 HW_versionInfo(&netProto, &versionStr);

   342                 if (netProto == eProto) {

   343                     DLog(@"Setting protocol version %d (%s)", eProto, versionStr);

   344                 } else {

   345                     DLog(@"ERROR - wrong protocol number: %d (expecting %d)", netProto, eProto);

   346                     clientQuit = YES;

   347                 }

   348                 break;

   349             case 'i':

   350                 if (self.statsArray == nil) {

   351                     self.statsArray = [[NSMutableArray alloc] initWithCapacity:10 - 2];

   352                     NSMutableArray *ranking = [[NSMutableArray alloc] initWithCapacity:4];

   353                     [self.statsArray insertObject:ranking atIndex:0];

   354                     [ranking release];

   355                 }

   356                 NSString *tempStr = [NSString stringWithUTF8String:&buffer[2]];

   357                 NSArray *info = [tempStr componentsSeparatedByString:@" "];

   358                 NSString *arg = [info objectAtIndex:0];

   359                 int index = [arg length] + 3;

   360                 switch (buffer[1]) {

   361                     case 'r':           // winning team

   362                         [self.statsArray insertObject:[NSString stringWithUTF8String:&buffer[2]] atIndex:1];

   363                         break;

   364                     case 'D':           // best shot

   365                         [self.statsArray addObject:[NSString stringWithFormat:@"The best shot award won by %s (with %@ points)", &buffer[index], arg]];

   366                         break;

   367                     case 'k':           // best hedgehog

   368                         [self.statsArray addObject:[NSString stringWithFormat:@"The best killer is %s with %@ kills in a turn", &buffer[index], arg]];

   369                         break;

   370                     case 'K':           // number of hogs killed

   371                         [self.statsArray addObject:[NSString stringWithFormat:@"%@ hedgehog(s) were killed during this round", arg]];

   372                         break;

   373                     case 'H':           // team health/graph

   374                         break;

   375                     case 'T':           // local team stats

   376                         // still WIP in statsPage.cpp

   377                         break;

   378                     case 'P':           // teams ranking

   379                         [[self.statsArray objectAtIndex:0] addObject:tempStr];

   380                         break;

   381                     case 's':           // self damage

   382                         [self.statsArray addObject:[NSString stringWithFormat:@"%s thought it's good to shoot his own hedgehogs with %@ points", &buffer[index], arg]];

   383                         break;

   384                     case 'S':           // friendly fire

   385                         [self.statsArray addObject:[NSString stringWithFormat:@"%s killed %@ of his own hedgehogs", &buffer[index], arg]];

   386                         break;

   387                     case 'B':           // turn skipped

   388                         [self.statsArray addObject:[NSString stringWithFormat:@"%s was scared and skipped turn %@ times", &buffer[index], arg]];

   389                         break;

   390                     default:

   391                         DLog(@"Unhandled stat message, see statsPage.cpp");

   392                         break;

   393                 }

   394                 break;

   395             case 'q':

   396                 // game ended, can remove the savefile and the trailing overlay (when dualhead)

   397                 [[NSFileManager defaultManager] removeItemAtPath:self.savePath error:nil];

   398                 if (IS_DUALHEAD())

   399                     [[NSNotificationCenter defaultCenter] postNotificationName:@"remove overlay" object:nil];

   400                 break;

   401             case 'Q':

   402                 // game exited but not completed, nothing to do (just don't save the message)

   403                 break;

   404             default:

   405                 [self dumpRawData:buffer ofSize:msgSize];

   406                 break;

   407         }

   408     }

   409     DLog(@"Engine exited, ending thread");

   410 

   411     // Close the client socket

   412     SDLNet_TCP_Close(csd);

   413     SDLNet_Quit();

   414 

   415     [pool release];

   416     // Invoking this method should be avoided as it does not give your thread a chance

   417     // to clean up any resources it allocated during its execution.

   418     //[NSThread exit];

   419 }

   420 

   421 #pragma mark -

   422 #pragma mark Setting methods

   423 // returns an array of c-strings that are read by engine at startup

   424 -(const char **)getGameSettings:(NSString *)recordFile {

   425     NSInteger width, height;

   426     NSString *ipcString = [[NSString alloc] initWithFormat:@"%d", ipcPort];

   427     NSString *localeString = [[NSString alloc] initWithFormat:@"%@.txt", [[NSLocale currentLocale] objectForKey:NSLocaleLanguageCode]];

   428     NSString *rotation;

   429     if (IS_DUALHEAD()) {

   430         CGRect screenBounds = [[[UIScreen screens] objectAtIndex:1] bounds];

   431         width = (int) screenBounds.size.width;

   432         height = (int) screenBounds.size.height;

   433         rotation = @"0";

   434     } else {

   435         CGRect screenBounds = [[UIScreen mainScreen] bounds];

   436         width = (int) screenBounds.size.height;

   437         height = (int) screenBounds.size.width;

   438         UIDeviceOrientation orientation = (UIDeviceOrientation) [[self.gameConfig objectForKey:@"orientation"] intValue];

   439         if (orientation == UIDeviceOrientationLandscapeLeft)

   440             rotation = @"-90";

   441         else

   442             rotation = @"90";

   443     }

   444         

   445     NSString *horizontalSize = [[NSString alloc] initWithFormat:@"%d", width];

   446     NSString *verticalSize = [[NSString alloc] initWithFormat:@"%d", height];

   447     const char **gameArgs = (const char **)malloc(sizeof(char *) * 10);

   448     BOOL enhanced = [[self.systemSettings objectForKey:@"enhanced"] boolValue];

   449 

   450     NSString *modelId = modelType();

   451     NSInteger tmpQuality;

   452     if ([modelId hasPrefix:@"iPhone1"] || [modelId hasPrefix:@"iPod1,1"] || [modelId hasPrefix:@"iPod2,1"])     // = iPhone and iPhone 3G or iPod Touch or iPod Touch 2G

   453         tmpQuality = 0x00000001 | 0x00000002 | 0x00000008 | 0x00000040;                 // rqLowRes | rqBlurryLand | rqSimpleRope | rqKillFlakes

   454     else if ([modelId hasPrefix:@"iPhone2"] || [modelId hasPrefix:@"iPod3"])                                    // = iPhone 3GS or iPod Touch 3G

   455         tmpQuality = 0x00000002 | 0x00000040;                                           // rqBlurryLand | rqKillFlakes

   456     else if ([modelId hasPrefix:@"iPad1"] || [modelId hasPrefix:@"iPod4"] || enhanced == NO)                    // = iPad 1G or iPod Touch 4G or not enhanced mode

   457         tmpQuality = 0x00000002;                                                        // rqBlurryLand

   458     else                                                                                                        // = everything else

   459         tmpQuality = 0;                                                                 // full quality

   460 

   461     if (IS_IPAD() == NO)                                                                                        // = disable tooltips on phone

   462         tmpQuality = tmpQuality | 0x00000400;

   463 

   464     // prevents using an empty nickname

   465     NSString *username;

   466     NSString *originalUsername = [self.systemSettings objectForKey:@"username"];

   467     if ([originalUsername length] == 0)

   468         username = [[NSString alloc] initWithFormat:@"MobileUser-%@",ipcString];

   469     else

   470         username = [[NSString alloc] initWithString:originalUsername];

   471 

   472     gameArgs[ 0] = [ipcString UTF8String];                                                       //ipcPort

   473     gameArgs[ 1] = [horizontalSize UTF8String];                                                  //cScreenWidth

   474     gameArgs[ 2] = [verticalSize UTF8String];                                                    //cScreenHeight

   475     gameArgs[ 3] = [[[NSNumber numberWithInteger:tmpQuality] stringValue] UTF8String];           //quality

   476     gameArgs[ 4] = "en.txt";//[localeString UTF8String];                                                    //cLocaleFName

   477     gameArgs[ 5] = [username UTF8String];                                                        //UserNick

   478     gameArgs[ 6] = [[[self.systemSettings objectForKey:@"sound"] stringValue] UTF8String];       //isSoundEnabled

   479     gameArgs[ 7] = [[[self.systemSettings objectForKey:@"music"] stringValue] UTF8String];       //isMusicEnabled

   480     gameArgs[ 8] = [[[self.systemSettings objectForKey:@"alternate"] stringValue] UTF8String];   //cAltDamage

   481     gameArgs[ 9] = [rotation UTF8String];                                                        //rotateQt

   482     gameArgs[10] = [recordFile UTF8String];                                                      //recordFileName

   483 

   484     [verticalSize release];

   485     [horizontalSize release];

   486     [localeString release];

   487     [ipcString release];

   488     [username release];

   489     return gameArgs;

   490 }

   491 

   492 

   493 @end