project_files/HedgewarsMobile/Classes/InGameMenuViewController.m
author koda
Sun, 17 Apr 2011 20:52:56 +0200
changeset 5154 851f36579ed4
parent 5002 a9c44a8ffec8
child 5156 641abe679bf0
permissions -rw-r--r--
initial refactoring for interfacing the game engine from the ios frontend (game doesn't run yet)
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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 25/03/2010.
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 */
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#import "InGameMenuViewController.h"
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#import "PascalImports.h"
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#import "CommodityFunctions.h"
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#import "SDL_sysvideo.h"
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#import "SDL_uikitkeyboard.h"
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#import "OpenGLES/ES1/gl.h"
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#define VIEW_HEIGHT 200
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@implementation InGameMenuViewController
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@synthesize menuList;
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-(BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation) interfaceOrientation {
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    return rotationManager(interfaceOrientation);
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}
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-(void) didReceiveMemoryWarning {
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    self.menuList = nil;
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    [super didReceiveMemoryWarning];
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}
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-(void) viewDidLoad {
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    NSArray *array = [[NSArray alloc] initWithObjects:
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                      NSLocalizedString(@"Show Help", @""),
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                      NSLocalizedString(@"Tag", @""),
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                      NSLocalizedString(@"Snapshot",@""),
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                      NSLocalizedString(@"End Game", @""),
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                      nil];
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    self.menuList = array;
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    [array release];
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    [super viewDidLoad];
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}
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-(void) viewDidUnload {
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    self.menuList = nil;
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    MSG_DIDUNLOAD();
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    [super viewDidUnload];
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}
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-(void) dealloc {
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    [menuList release];
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    [super dealloc];
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}
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#pragma mark -
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#pragma mark animating
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-(void) present {
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    CGRect screen = [[UIScreen mainScreen] bounds];
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    self.view.backgroundColor = [UIColor clearColor];
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    self.view.frame = CGRectMake(screen.size.height, 0, 200, VIEW_HEIGHT);
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    [UIView beginAnimations:@"showing popover" context:NULL];
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    [UIView setAnimationDuration:0.35];
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    self.view.frame = CGRectMake(screen.size.height-200, 0, 200, VIEW_HEIGHT);
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    [UIView commitAnimations];
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}
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-(void) dismiss {
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    if (IS_IPAD() == NO) {
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        CGRect screen = [[UIScreen mainScreen] bounds];
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        [UIView beginAnimations:@"hiding popover" context:NULL];
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        [UIView setAnimationDuration:0.35];
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        self.view.frame = CGRectMake(screen.size.height, 0, 200, VIEW_HEIGHT);
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        [UIView commitAnimations];
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        [self.view performSelector:@selector(removeFromSuperview) withObject:nil afterDelay:0.35];
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    }
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    HW_chatEnd();
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    SDL_iPhoneKeyboardHide((SDL_Window *)HW_getSDLWindow());
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    if (shouldTakeScreenshot) {
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        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Please wait"
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                                                        message:nil
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                                                       delegate:nil
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                                              cancelButtonTitle:nil
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                                              otherButtonTitles:nil];
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        [alert show];
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        UIActivityIndicatorView *indicator = [[UIActivityIndicatorView alloc]
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                                              initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
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        indicator.center = CGPointMake(alert.bounds.size.width / 2, alert.bounds.size.height - 45);
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        [indicator startAnimating];
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        [alert addSubview:indicator];
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        [indicator release];
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        // all these hacks because of the PAUSE caption on top of everything...
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        [self performSelector:@selector(saveCurrentScreenToPhotoAlbum:) withObject:alert afterDelay:0.3];
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    }
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    shouldTakeScreenshot = NO;
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}
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#pragma mark -
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#pragma mark tableView methods
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-(NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
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    return 1;
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}
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-(NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
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    return 4;
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}
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-(UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
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    static NSString *cellIdentifier = @"CellIdentifier";
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    UITableViewCell *cell = [aTableView dequeueReusableCellWithIdentifier:cellIdentifier];
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    if (nil == cell) {
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        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
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                                       reuseIdentifier:cellIdentifier] autorelease];
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    }
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    cell.textLabel.text = [self.menuList objectAtIndex:[indexPath row]];
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    if (IS_IPAD())
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        cell.textLabel.textAlignment = UITextAlignmentCenter;
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    return cell;
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}
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-(void) tableView:(UITableView *)aTableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
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    UIActionSheet *actionSheet;
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    UIAlertView *alert;
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    switch ([indexPath row]) {
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        case 0:
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            [[NSNotificationCenter defaultCenter] postNotificationName:@"show help ingame" object:nil];
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            break;
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        case 1:
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            HW_chat();
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            SDL_iPhoneKeyboardShow((SDL_Window *)HW_getSDLWindow());
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            break;
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        case 2:
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            alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Going to take a screenshot",@"")
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                                               message:NSLocalizedString(@"The game snapshot will be placed in your Photo Album and it will be taken as soon as the pause menu is dismissed",@"")
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                                              delegate:nil
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                                     cancelButtonTitle:NSLocalizedString(@"Ok, got it",@"")
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                                     otherButtonTitles:nil];
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            [alert show];
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            [alert release];
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            shouldTakeScreenshot = YES;
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            break;
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        case 3:
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            // expand the view (and table) so that the actionsheet can be selected on the iPhone
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            if (IS_IPAD() == NO) {
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                CGRect screen = [[UIScreen mainScreen] bounds];
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                [self.tableView deselectRowAtIndexPath:indexPath animated:NO];
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                [UIView beginAnimations:@"table width more" context:NULL];
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                [UIView setAnimationDuration:0.2];
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                self.view.frame = CGRectMake(0, 0, screen.size.height, screen.size.width);
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                [UIView commitAnimations];
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            }
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            actionSheet = [[UIActionSheet alloc] initWithTitle:NSLocalizedString(@"Are you reeeeeally sure?", @"")
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                                                      delegate:self
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                                             cancelButtonTitle:NSLocalizedString(@"Well, maybe not...", @"")
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                                        destructiveButtonTitle:NSLocalizedString(@"Of course!", @"")
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                                             otherButtonTitles:nil];
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            [actionSheet showInView:self.view];
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            [actionSheet release];
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            break;
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        default:
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            DLog(@"Warning: unset case value in section!");
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            break;
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    }
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    [aTableView deselectRowAtIndexPath:indexPath animated:YES];
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}
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#pragma mark -
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#pragma mark actionSheet methods
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-(void) actionSheet:(UIActionSheet *)actionSheet didDismissWithButtonIndex:(NSInteger) buttonIndex {
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    if (IS_IPAD() == NO) {
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        CGRect screen = [[UIScreen mainScreen] bounds];
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        [UIView beginAnimations:@"table width less" context:NULL];
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        [UIView setAnimationDuration:0.2];
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        self.view.frame = CGRectMake(screen.size.height-200, 0, 200, VIEW_HEIGHT);
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        [UIView commitAnimations];
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    }
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    if ([actionSheet cancelButtonIndex] != buttonIndex) {
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        if (IS_DUALHEAD())
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            [[NSNotificationCenter defaultCenter] postNotificationName:@"remove overlay" object:nil];
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        HW_terminate(NO);
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    }
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}
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#pragma mark save screenshot
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//by http://www.bit-101.com/blog/?p=1861
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// callback for CGDataProviderCreateWithData
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void releaseData(void *info, const void *data, size_t dataSize) {
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    DLog(@"freeing raw data\n");
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    free((void *)data);
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}
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// callback for UIImageWriteToSavedPhotosAlbum
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-(void) image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo {
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    DLog(@"Save finished\n");
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    [image release];
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    UIAlertView *alert = (UIAlertView *)contextInfo;
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    [alert dismissWithClickedButtonIndex:0 animated:YES];
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    [alert release];
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}
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// the resolution of the buffer is always equal to the hardware device even if scaled
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-(void) saveCurrentScreenToPhotoAlbum:(UIAlertView *)alert {
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    CGRect screenRect = [[UIScreen mainScreen] bounds];
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    int width = screenRect.size.width;
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    int height = screenRect.size.height;
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    NSInteger size = width * height * 4;
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    GLubyte *buffer = (GLubyte *) malloc(size * sizeof(GLubyte));
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    GLubyte *buffer_flipped = (GLubyte *) malloc(size * sizeof(GLubyte));
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    glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
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    HW_screenshot();
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    // flip the data as glReadPixels here reads upside down
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    for(int y = 0; y <height; y++)
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        for(int x = 0; x <width * 4; x++)
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            buffer_flipped[(int)((height - 1 - y) * width * 4 + x)] = buffer[(int)(y * 4 * width + x)];
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    free(buffer);
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    CGDataProviderRef provider = CGDataProviderCreateWithData(NULL, buffer_flipped, size, releaseData);
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    CGColorSpaceRef colorSpaceRef = CGColorSpaceCreateDeviceRGB();
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    CGBitmapInfo bitmapInfo = kCGBitmapByteOrderDefault;
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    CGColorRenderingIntent renderingIntent = kCGRenderingIntentDefault;
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    CGImageRef imageRef = CGImageCreate(width, height, 8, 32, 4 * width, colorSpaceRef, bitmapInfo, provider, NULL, NO, renderingIntent);
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    CGColorSpaceRelease(colorSpaceRef);
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    CGDataProviderRelease(provider);
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    UIImage *image;
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    if ([UIImage respondsToSelector:@selector(imageWithCGImage:scale:orientation:)])
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        image = [[UIImage alloc] initWithCGImage:imageRef scale:1 orientation:UIImageOrientationRight];
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    else
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        image = [[UIImage alloc] initWithCGImage:imageRef];
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    CGImageRelease(imageRef);
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    UIImageWriteToSavedPhotosAlbum(image, self, @selector(image:didFinishSavingWithError:contextInfo:), (void *)alert); // add callback for finish saving
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}
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@end