project_files/HedgewarsMobile/Classes/GameInterfaceBridge.m
author koda
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some general tweaks (more intelligent use of macros and more caching)
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/*
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 * Hedgewars-iOS, a Hedgewars port for iOS devices
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 * Copyright (c) 2009-2011 Vittorio Giovara <vittorio.giovara@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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 *
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 * File created on 18/04/2011.
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 */
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#import "GameInterfaceBridge.h"
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#import "PascalImports.h"
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#import "EngineProtocolNetwork.h"
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#import "OverlayViewController.h"
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#import "StatsPageViewController.h"
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#import "ObjcExports.h"
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@implementation GameInterfaceBridge
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@synthesize parentController, savePath, overlayController, engineProtocol, ipcPort, gameType;
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-(id) initWithController:(id) viewController {
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    if (self = [super init]) {
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        self.ipcPort = randomPort();
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        self.gameType = gtNone;
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        self.savePath = nil;
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        self.parentController = (UIViewController *)viewController;
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        self.engineProtocol = [[EngineProtocolNetwork alloc] initOnPort:self.ipcPort];
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        self.engineProtocol.delegate = self;
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        self.overlayController = [[OverlayViewController alloc] initWithNibName:@"OverlayViewController" bundle:nil];
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    }
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    return self;
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}
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-(void) dealloc {
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    releaseAndNil(parentController);
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    releaseAndNil(engineProtocol);
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    releaseAndNil(savePath);
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    releaseAndNil(overlayController);
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    [super dealloc];
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}
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#pragma mark -
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// overlay with controls, become visible later, with a transparency effect since the sdlwindow is not yet created
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-(void) displayOverlayLater:(id) object {
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    [self.overlayController setInitialOrientation:self.parentController.interfaceOrientation];
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    UIWindow *gameWindow = (IS_DUALHEAD() ? [HedgewarsAppDelegate sharedAppDelegate].uiwindow : [[UIApplication sharedApplication] keyWindow]);
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    [gameWindow addSubview:self.overlayController.view];
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}
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// main routine for calling the actual game engine
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-(void) startGameEngine {
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    const char *gameArgs[11];
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    NSInteger width, height, orientation;
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    NSString *ipcString = [[NSString alloc] initWithFormat:@"%d", self.ipcPort];
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    NSString *localeString = [[NSString alloc] initWithFormat:@"%@.txt", [[NSLocale currentLocale] objectForKey:NSLocaleLanguageCode]];
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    NSUserDefaults *settings = [NSUserDefaults standardUserDefaults];
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    if (IS_DUALHEAD()) {
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        CGRect screenBounds = [[[UIScreen screens] objectAtIndex:1] bounds];
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        width = (int) screenBounds.size.width;
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        height = (int) screenBounds.size.height;
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        orientation = 0;
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    } else {
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        CGRect screenBounds = [[UIScreen mainScreen] bounds];
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        width = (int) screenBounds.size.height;
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        height = (int) screenBounds.size.width;
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        orientation = (self.parentController.interfaceOrientation == UIDeviceOrientationLandscapeLeft) ? -90 : 90;
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    }
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    NSString *horizontalSize = [[NSString alloc] initWithFormat:@"%d", width];
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    NSString *verticalSize = [[NSString alloc] initWithFormat:@"%d", height];
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    NSString *rotation = [[NSString alloc] initWithFormat:@"%d", orientation];
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    BOOL enhanced = [[settings objectForKey:@"enhanced"] boolValue];
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    NSString *modelId = getModelType();
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    NSInteger tmpQuality;
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    if ([modelId hasPrefix:@"iPhone1"] || [modelId hasPrefix:@"iPod1,1"] || [modelId hasPrefix:@"iPod2,1"])     // = iPhone and iPhone 3G or iPod Touch or iPod Touch 2G
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        tmpQuality = 0x00000001 | 0x00000002 | 0x00000008 | 0x00000040;                 // rqLowRes | rqBlurryLand | rqSimpleRope | rqKillFlakes
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    else if ([modelId hasPrefix:@"iPhone2"] || [modelId hasPrefix:@"iPod3"])                                    // = iPhone 3GS or iPod Touch 3G
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        tmpQuality = 0x00000002 | 0x00000040;                                           // rqBlurryLand | rqKillFlakes
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    else if ([modelId hasPrefix:@"iPad1"] || [modelId hasPrefix:@"iPod4"] || enhanced == NO)                    // = iPad 1G or iPod Touch 4G or not enhanced mode
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        tmpQuality = 0x00000002;                                                        // rqBlurryLand
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    else                                                                                                        // = everything else
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        tmpQuality = 0;                                                                 // full quality
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    // disable tooltips on iPhone
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    if (IS_IPAD() == NO)
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        tmpQuality = tmpQuality | 0x00000400;
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    // prevents using an empty nickname
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    NSString *username = [settings objectForKey:@"username"];
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    if ([username length] == 0)
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        username = [NSString stringWithFormat:@"MobileUser-%@",ipcString];
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    gameArgs[ 0] = [ipcString UTF8String];                                                      //ipcPort
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    gameArgs[ 1] = [horizontalSize UTF8String];                                                 //cScreenWidth
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    gameArgs[ 2] = [verticalSize UTF8String];                                                   //cScreenHeight
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    gameArgs[ 3] = [[NSString stringWithFormat:@"%d",tmpQuality] UTF8String];                   //quality
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    gameArgs[ 4] = "en.txt";//[localeString UTF8String];                                        //cLocaleFName
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    gameArgs[ 5] = [username UTF8String];                                                       //UserNick
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    gameArgs[ 6] = [[[settings objectForKey:@"sound"] stringValue] UTF8String];                 //isSoundEnabled
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    gameArgs[ 7] = [[[settings objectForKey:@"music"] stringValue] UTF8String];                 //isMusicEnabled
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    gameArgs[ 8] = [[[settings objectForKey:@"alternate"] stringValue] UTF8String];             //cAltDamage
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    gameArgs[ 9] = [rotation UTF8String];                                                       //rotateQt
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    gameArgs[10] = (self.gameType == gtSave) ? [self.savePath UTF8String] : NULL;               //recordFileName
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    [verticalSize release];
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    [horizontalSize release];
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    [rotation release];
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    [localeString release];
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    [ipcString release];
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    objcExportsInit(self.overlayController);
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    // this is the pascal fuction that starts the game, wrapped around isInGame
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    [HedgewarsAppDelegate sharedAppDelegate].isInGame = YES;
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    Game(gameArgs);
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    [HedgewarsAppDelegate sharedAppDelegate].isInGame = NO;
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}
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// prepares the controllers for hosting a game
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-(void) prepareEngineLaunch {
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    // we add a black view hiding the background
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    CGRect theFrame = CGRectMake(0, 0, self.parentController.view.frame.size.height, self.parentController.view.frame.size.width);
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    UIView *blackView = [[UIView alloc] initWithFrame:theFrame];
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    [self.parentController.view addSubview:blackView];
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    blackView.opaque = YES;
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    blackView.backgroundColor = [UIColor blackColor];
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    blackView.alpha = 0;
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    // when dual screen we apply a little transition
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    if (IS_DUALHEAD()) {
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        [UIView beginAnimations:@"fade out" context:NULL];
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        [UIView setAnimationDuration:1];
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        blackView.alpha = 1;
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        [UIView commitAnimations];
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    } else
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        blackView.alpha = 1;
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    // prepare options for overlay and add it to the future sdl uiwindow
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    [self performSelector:@selector(displayOverlayLater:) withObject:nil afterDelay:3];
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    // SYSTEMS ARE GO!!
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    [self startGameEngine];
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    // now we can remove the cover with a transition
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    [UIView beginAnimations:@"fade in" context:NULL];
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    [UIView setAnimationDuration:1];
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    blackView.alpha = 0;
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    [UIView commitAnimations];
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    [blackView performSelector:@selector(removeFromSuperview) withObject:nil afterDelay:1];
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    [blackView release];
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    // the overlay is not needed any more and can be removed
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    [self.overlayController removeOverlay];
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    // warn our host that it's going to be visible again
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    [self.parentController viewWillAppear:YES];
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    // release the network manager and the savepath as they are not needed anymore
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    [self.engineProtocol release];
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    [self.savePath release];
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}
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// set up variables for a local game
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-(void) startLocalGame:(NSDictionary *)withDictionary {
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    self.gameType = gtLocal;
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    NSDateFormatter *outputFormatter = [[NSDateFormatter alloc] init];
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    [outputFormatter setDateFormat:@"yyyy-MM-dd '@' HH.mm"];
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    self.savePath = [[NSString alloc] initWithFormat:@"%@%@.hws",SAVES_DIRECTORY(),[outputFormatter stringFromDate:[NSDate date]]];
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    [outputFormatter release];
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    // in the rare case in which a savefile with the same name exists the older one must be removed (or it gets corrupted)
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    if ([[NSFileManager defaultManager] fileExistsAtPath:self.savePath])
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        [[NSFileManager defaultManager] removeItemAtPath:self.savePath error:nil];
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    [self.engineProtocol spawnThread:self.savePath withOptions:withDictionary];
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    [self prepareEngineLaunch];
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}
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// set up variables for a save game
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-(void) startSaveGame:(NSString *)atPath {
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    self.gameType = gtSave;
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    self.savePath = atPath;
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    [self.engineProtocol spawnThread:self.savePath];
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    [self prepareEngineLaunch];
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}
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-(void) gameHasEndedWithStats:(NSArray *)stats {
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    // display stats page
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    if (stats != nil) {
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        StatsPageViewController *statsPage = [[StatsPageViewController alloc] initWithStyle:UITableViewStyleGrouped];
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        statsPage.statsArray = stats;
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        statsPage.modalTransitionStyle = UIModalTransitionStyleCoverVertical;
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        if ([statsPage respondsToSelector:@selector(setModalPresentationStyle:)])
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            statsPage.modalPresentationStyle = UIModalPresentationPageSheet;
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        [self.parentController presentModalViewController:statsPage animated:YES];
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        [statsPage release];
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    }
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    // can remove the savefile if the replay has ended
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    if (self.gameType == gtSave)
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        [[NSFileManager defaultManager] removeItemAtPath:self.savePath error:nil];
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}
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@end