/*

 SDL - Simple DirectMedia Layer

 Copyright (C) 1997-2009 Sam Lantinga

 This library is free software; you can redistribute it and/or

 modify it under the terms of the GNU Lesser General Public

 License as published by the Free Software Foundation; either

 version 2.1 of the License, or (at your option) any later version.

 This library 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

 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public

 License along with this library; if not, write to the Free Software

 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 Sam Lantinga, mods for Hedgewars by Vittorio Giovara

 slouken@libsdl.org, vittorio.giovara@gmail.com

*/

#import "SDL_uikitappdelegate.h"

#import "SDL_uikitopenglview.h"

#import "SDL_uikitwindow.h"

#import "SDL_events_c.h"

#import "../SDL_sysvideo.h"

#import "jumphack.h"

#import "SDL_video.h"

#import "GameSetup.h"

#import "PascalImports.h"

#import "MainMenuViewController.h"

#import "OverlayViewController.h"

#import "CommodityFunctions.h"

#ifdef main

#undef main

#endif

#define VALGRIND "/opt/valgrind/bin/valgrind"

int main (int argc, char *argv[]) {

#ifdef VALGRIND_REXEC

    // Using the valgrind build config, rexec ourself in valgrind

    // from http://landonf.bikemonkey.org/code/iphone/iPhone_Simulator_Valgrind.20081224.html

    if (argc < 2 || (argc >= 2 && strcmp(argv[1], "-valgrind") != 0))

        execl(VALGRIND, VALGRIND, "--leak-check=full", argv[0], "-valgrind", NULL);

#endif

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

    int retVal = UIApplicationMain(argc, argv, nil, @"SDLUIKitDelegate");

    [pool release];

    return retVal;

}

@implementation SDLUIKitDelegate

@synthesize mainViewController;

// convenience method

+(SDLUIKitDelegate *)sharedAppDelegate {

    // the delegate is set in UIApplicationMain(), which is guaranteed to be called before this method

    return (SDLUIKitDelegate *)[[UIApplication sharedApplication] delegate];

}

-(id) init {

    if (self = [super init]){

        mainViewController = nil;

        isInGame = NO;

    }

    return self;

}

-(void) dealloc {

    [mainViewController release];

    [super dealloc];

}

// main routine for calling the actual game engine

-(IBAction) startSDLgame: (NSDictionary *)gameDictionary {

    // pull out useful configuration info from various files

    GameSetup *setup = [[GameSetup alloc] initWithDictionary:gameDictionary];

    [setup startThread:@"engineProtocol"];

    const char **gameArgs = [setup getSettings];

    [setup release];

    // since the sdlwindow is not yet created, we add the overlayController with a delay

    [self performSelector:@selector(displayOverlayLater) withObject:nil afterDelay:0.1];

    // this is the pascal fuction that starts the game (wrapped around isInGame)

    isInGame = YES;

    Game(gameArgs);

    isInGame = NO;

    free(gameArgs);

    // bring the uiwindow below in front

    UIWindow *aWin = [[[UIApplication sharedApplication] windows] objectAtIndex:0];

    [aWin makeKeyAndVisible];

    // notice that in the simulator this reports 2 windows

    DLog(@"%@",[[UIApplication sharedApplication] windows]);

}

-(void) displayOverlayLater {

    // overlay with controls, become visible later, with a transparency effect

    OverlayViewController *overlayController = [[OverlayViewController alloc] initWithNibName:@"OverlayViewController" bundle:nil];

    // keyWindow is the frontmost window

    [[[UIApplication sharedApplication] keyWindow] addSubview:overlayController.view];

    [overlayController release];

}

// override the direct execution of SDL_main to allow us to implement the frontend (or even using a nib)

-(void) applicationDidFinishLaunching:(UIApplication *)application {

    [application setStatusBarHidden:YES]; 

    UIWindow *uiwindow = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];

    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)

        self.mainViewController = [[MainMenuViewController alloc] initWithNibName:@"MainMenuViewController-iPad" bundle:nil];

    else

        self.mainViewController = [[MainMenuViewController alloc] initWithNibName:@"MainMenuViewController-iPhone" bundle:nil];

    [uiwindow addSubview:self.mainViewController.view];

    [self.mainViewController release];

    uiwindow.backgroundColor = [UIColor blackColor];

    [uiwindow makeKeyAndVisible];

    // set working directory to resource path

    [[NSFileManager defaultManager] changeCurrentDirectoryPath:[[NSBundle mainBundle] resourcePath]];

}

-(void) applicationWillTerminate:(UIApplication *)application {

    SDL_SendQuit();

    if (isInGame) {

        HW_terminate(YES);

        // hack to prevent automatic termination. See SDL_uikitevents.m for details

        longjmp(*(jump_env()), 1);

    }

}

-(void) applicationDidReceiveMemoryWarning:(UIApplication *)application {

    if (self.mainViewController.view.superview == nil)

        self.mainViewController = nil;

    MSG_MEMCLEAN();

}

-(void) applicationWillResignActive:(UIApplication *)application {

    if (isInGame) {

        HW_pause();

        // Send every window on every screen a MINIMIZED event.

        SDL_VideoDevice *_this = SDL_GetVideoDevice();

        if (!_this)

            return;

        int i;

        for (i = 0; i < _this->num_displays; i++) {

            const SDL_VideoDisplay *display = &_this->displays[i];

            SDL_Window *window;

            for (window = display->windows; window != nil; window = window->next)

                SDL_SendWindowEvent(window, SDL_WINDOWEVENT_MINIMIZED, 0, 0);

        }

    }

}

-(void) applicationDidBecomeActive:(UIApplication *)application {

    if (isInGame) {

        HW_pause();

        // Send every window on every screen a RESTORED event.

        SDL_VideoDevice *_this = SDL_GetVideoDevice();

        if (!_this)

            return;

        int i;

        for (i = 0; i < _this->num_displays; i++) {

            const SDL_VideoDisplay *display = &_this->displays[i];

            SDL_Window *window;

            for (window = display->windows; window != nil; window = window->next)

                SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESTORED, 0, 0);

        }

    }

}

@end