//
// MapConfigViewController.m
// HedgewarsMobile
//
// Created by Vittorio on 22/04/10.
// Copyright 2010 __MyCompanyName__. All rights reserved.
//
#import "MapConfigViewController.h"
#import "PascalImports.h"
#import "CommodityFunctions.h"
#import "UIImageExtra.h"
#import "SDL_net.h"
#import <pthread.h>
#define INDICATOR_TAG 7654
@implementation MapConfigViewController
@synthesize previewButton, maxHogs, seedCommand, templateFilterCommand, mapGenCommand, mazeSizeCommand, themeCommand, staticMapCommand,
tableView, maxLabel, sizeLabel, segmentedControl, slider, lastIndexPath, themeArray, mapArray, busy, delegate;
-(BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
return rotationManager(interfaceOrientation);
}
#pragma mark -
#pragma mark Preview Handling
-(int) sendToEngine: (NSString *)string {
unsigned char length = [string length];
SDLNet_TCP_Send(csd, &length , 1);
return SDLNet_TCP_Send(csd, [string UTF8String], length);
}
-(const uint8_t *)engineProtocol:(NSInteger) port {
IPaddress ip;
BOOL serverQuit = NO;
static uint8_t map[128*32];
if (SDLNet_Init() < 0) {
DLog(@"SDLNet_Init: %s", SDLNet_GetError());
serverQuit = YES;
}
// Resolving the host using NULL make network interface to listen
if (SDLNet_ResolveHost(&ip, NULL, port) < 0) {
DLog(@"SDLNet_ResolveHost: %s\n", SDLNet_GetError());
serverQuit = YES;
}
// Open a connection with the IP provided (listen on the host's port)
if (!(sd = SDLNet_TCP_Open(&ip))) {
DLog(@"SDLNet_TCP_Open: %s %\n", SDLNet_GetError(), port);
serverQuit = YES;
}
// launch the preview here so that we're sure the tcp channel is open
pthread_t thread_id;
pthread_create(&thread_id, NULL, (void *)GenLandPreview, (void *)port);
pthread_detach(thread_id);
DLog(@"Waiting for a client on port %d", port);
while (!serverQuit) {
/* This check the sd if there is a pending connection.
* If there is one, accept that, and open a new socket for communicating */
csd = SDLNet_TCP_Accept(sd);
if (NULL != csd) {
DLog(@"Client found");
[self sendToEngine:self.seedCommand];
[self sendToEngine:self.templateFilterCommand];
[self sendToEngine:self.mapGenCommand];
[self sendToEngine:self.mazeSizeCommand];
[self sendToEngine:@"!"];
memset(map, 0, 128*32);
SDLNet_TCP_Recv(csd, map, 128*32);
SDLNet_TCP_Recv(csd, &maxHogs, sizeof(uint8_t));
SDLNet_TCP_Close(csd);
serverQuit = YES;
}
}
SDLNet_TCP_Close(sd);
SDLNet_Quit();
return map;
}
-(void) drawingThread {
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
// select the port for IPC and launch the preview generation through engineProtocol:
int port = randomPort();
const uint8_t *map = [self engineProtocol:port];
uint8_t mapExp[128*32*8];
// draw the buffer (1 pixel per component, 0= transparent 1= color)
int k = 0;
for (int i = 0; i < 32*128; i++) {
unsigned char byte = map[i];
for (int j = 0; j < 8; j++) {
// select the color based on the leftmost bit
if ((byte & 0x80) != 0)
mapExp[k] = 100;
else
mapExp[k] = 255;
// shift to next bit
byte <<= 1;
k++;
}
}
CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceGray();
CGContextRef bitmapImage = CGBitmapContextCreate(mapExp, 256, 128, 8, 256, colorspace, kCGImageAlphaNone);
CGColorSpaceRelease(colorspace);
CGImageRef previewCGImage = CGBitmapContextCreateImage(bitmapImage);
CGContextRelease(bitmapImage);
UIImage *previewImage = [[UIImage alloc] initWithCGImage:previewCGImage];
CGImageRelease(previewCGImage);
previewCGImage = nil;
// set the preview image (autoreleased) in the button and the maxhog label on the main thread to prevent a leak
[self performSelectorOnMainThread:@selector(setButtonImage:) withObject:[previewImage makeRoundCornersOfSize:CGSizeMake(12, 12)] waitUntilDone:NO];
[previewImage release];
[self performSelectorOnMainThread:@selector(setLabelText:) withObject:[NSString stringWithFormat:@"%d", maxHogs] waitUntilDone:NO];
// restore functionality of button and remove the spinning wheel on the main thread to prevent a leak
[self performSelectorOnMainThread:@selector(turnOnWidgets) withObject:nil waitUntilDone:NO];
[pool release];
//Invoking this method should be avoided as it does not give your thread a chance to clean up any resources it allocated during its execution.
//[NSThread exit];
/*
// http://developer.apple.com/mac/library/qa/qa2001/qa1037.html
UIGraphicsBeginImageContext(CGSizeMake(256,128));
CGContextRef context = UIGraphicsGetCurrentContext();
UIGraphicsPushContext(context);
CGContextSetRGBFillColor(context, 0.5, 0.5, 0.7, 1.0);
CGContextFillRect(context,CGRectMake(xc,yc,1,1));
UIGraphicsPopContext();
UIImage *previewImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
*/
}
-(IBAction) mapButtonPressed {
playSound(@"clickSound");
[self updatePreview];
}
-(void) updatePreview {
// don't generate a new preview while it's already generating one
if (busy)
return;
// generate a seed
CFUUIDRef uuid = CFUUIDCreate(kCFAllocatorDefault);
NSString *seed = (NSString *)CFUUIDCreateString(kCFAllocatorDefault, uuid);
CFRelease(uuid);
NSString *seedCmd = [[NSString alloc] initWithFormat:@"eseed {%@}", seed];
[seed release];
self.seedCommand = seedCmd;
[seedCmd release];
NSIndexPath *theIndex;
if (segmentedControl.selectedSegmentIndex != 1) {
// remove the current preview and title
[self.previewButton setImage:nil forState:UIControlStateNormal];
[self.previewButton setTitle:nil forState:UIControlStateNormal];
// don't display preview on slower device, too slow and memory hog
NSString *modelId = modelType();
if ([modelId hasPrefix:@"iPhone1"] || [modelId hasPrefix:@"iPod1,1"] || [modelId hasPrefix:@"iPod2,1"]) {
busy = NO;
[self.previewButton setTitle:NSLocalizedString(@"Preview not available",@"") forState:UIControlStateNormal];
} else {
// prevent other events and add an activity while the preview is beign generated
[self turnOffWidgets];
// add a very nice spinning wheel
UIActivityIndicatorView *indicator = [[UIActivityIndicatorView alloc]
initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
indicator.center = CGPointMake(previewButton.bounds.size.width / 2, previewButton.bounds.size.height / 2);
indicator.tag = INDICATOR_TAG;
[indicator startAnimating];
[self.previewButton addSubview:indicator];
[indicator release];
// let's draw in a separate thread so the gui can work; at the end it restore other widgets
[NSThread detachNewThreadSelector:@selector(drawingThread) toTarget:self withObject:nil];
}
theIndex = [NSIndexPath indexPathForRow:(random()%[self.themeArray count]) inSection:0];
} else {
theIndex = [NSIndexPath indexPathForRow:(random()%[self.mapArray count]) inSection:0];
}
[self.tableView reloadData];
[self tableView:self.tableView didSelectRowAtIndexPath:theIndex];
[self.tableView scrollToRowAtIndexPath:theIndex atScrollPosition:UITableViewScrollPositionNone animated:YES];
}
// instead of drawing a random map we load an image; this function is called by didSelectRowAtIndexPath only
-(void) updatePreviewWithMap:(NSInteger) index {
// change the preview button
NSString *fileImage = [[NSString alloc] initWithFormat:@"%@/%@/preview.png", MAPS_DIRECTORY(),[self.mapArray objectAtIndex:index]];
UIImage *image = [[UIImage alloc] initWithContentsOfFile:fileImage];
[fileImage release];
[self.previewButton setImage:[image makeRoundCornersOfSize:CGSizeMake(12, 12)] forState:UIControlStateNormal];
[image release];
// update label
maxHogs = 18;
NSString *fileCfg = [[NSString alloc] initWithFormat:@"%@/%@/map.cfg", MAPS_DIRECTORY(),[self.mapArray objectAtIndex:index]];
NSString *contents = [[NSString alloc] initWithContentsOfFile:fileCfg encoding:NSUTF8StringEncoding error:NULL];
[fileCfg release];
NSArray *split = [contents componentsSeparatedByString:@"\n"];
[contents release];
// set the theme and map here
self.themeCommand = [NSString stringWithFormat:@"etheme %@", [split objectAtIndex:0]];
self.staticMapCommand = [NSString stringWithFormat:@"emap %@", [self.mapArray objectAtIndex:index]];
// if the number is not set we keep 18 standard;
// sometimes it's not set but there are trailing characters, we get around them with the second equation
if ([split count] > 1 && [[split objectAtIndex:1] intValue] > 0)
maxHogs = [[split objectAtIndex:1] intValue];
NSString *max = [[NSString alloc] initWithFormat:@"%d",maxHogs];
self.maxLabel.text = max;
[max release];
}
-(void) turnOffWidgets {
busy = YES;
self.previewButton.alpha = 0.5f;
self.previewButton.enabled = NO;
self.maxLabel.text = @"...";
self.segmentedControl.enabled = NO;
self.slider.enabled = NO;
}
-(void) turnOnWidgets {
self.previewButton.alpha = 1.0f;
self.previewButton.enabled = YES;
self.segmentedControl.enabled = YES;
self.slider.enabled = YES;
busy = NO;
UIActivityIndicatorView *indicator = (UIActivityIndicatorView *)[self.previewButton viewWithTag:INDICATOR_TAG];
if (indicator) {
[indicator stopAnimating];
[indicator removeFromSuperview];
}
}
-(void) setLabelText:(NSString *)str {
self.maxLabel.text = str;
}
-(void) setButtonImage:(UIImage *)img {
[self.previewButton setBackgroundImage:img forState:UIControlStateNormal];
}
-(void) restoreBackgroundImage {
// white rounded rectangle as background image for previewButton
UIGraphicsBeginImageContext(CGSizeMake(256,128));
CGContextRef context = UIGraphicsGetCurrentContext();
UIGraphicsPushContext(context);
CGContextSetRGBFillColor(context, 1.0, 1.0, 1.0, 1.0);
CGContextFillRect(context,CGRectMake(0,0,256,128));
UIGraphicsPopContext();
UIImage *bkgImg = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
[self.previewButton setBackgroundImage:[bkgImg makeRoundCornersOfSize:CGSizeMake(12, 12)] forState:UIControlStateNormal];
}
#pragma mark -
#pragma mark Table view data source
-(NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
-(NSInteger) tableView:(UITableView *)aTableView numberOfRowsInSection:(NSInteger) section {
if (self.segmentedControl.selectedSegmentIndex != 1)
return [themeArray count];
else
return [mapArray count];
}
-(UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *CellIdentifier = @"Cell";
NSInteger row = [indexPath row];
UITableViewCell *cell = [aTableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil)
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
cell.textLabel.textColor = UICOLOR_HW_YELLOW_TEXT;
}
if (self.segmentedControl.selectedSegmentIndex != 1) {
// the % prevents a strange bug that occurs sporadically
NSString *themeName = [self.themeArray objectAtIndex:row % [self.themeArray count]];
cell.textLabel.text = themeName;
UIImage *image = [[UIImage alloc] initWithContentsOfFile:[NSString stringWithFormat:@"%@/%@/icon.png",THEMES_DIRECTORY(),themeName]];
cell.imageView.image = image;
[image release];
} else {
cell.textLabel.text = [self.mapArray objectAtIndex:row];
cell.imageView.image = nil;
}
if (row == [self.lastIndexPath row]) {
UIImageView *checkbox = [[UIImageView alloc] initWithImage:[UIImage imageWithContentsOfFile:@"checkbox.png"]];
cell.accessoryView = checkbox;
[checkbox release];
} else
cell.accessoryView = nil;
cell.backgroundColor = [UIColor blackColor];
return cell;
}
#pragma mark -
#pragma mark Table view delegate
-(void) tableView:(UITableView *)aTableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
int newRow = [indexPath row];
int oldRow = (lastIndexPath != nil) ? [lastIndexPath row] : -1;
if (newRow != oldRow) {
if (self.segmentedControl.selectedSegmentIndex != 1) {
NSString *theme = [self.themeArray objectAtIndex:newRow];
self.themeCommand = [NSString stringWithFormat:@"etheme %@", theme];
} else {
// theme and map are set in the function below
[self updatePreviewWithMap:newRow];
}
UITableViewCell *newCell = [aTableView cellForRowAtIndexPath:indexPath];
UIImageView *checkbox = [[UIImageView alloc] initWithImage:[UIImage imageWithContentsOfFile:@"checkbox.png"]];
newCell.accessoryView = checkbox;
[checkbox release];
UITableViewCell *oldCell = [aTableView cellForRowAtIndexPath:self.lastIndexPath];
oldCell.accessoryView = nil;
self.lastIndexPath = indexPath;
[aTableView selectRowAtIndexPath:indexPath animated:YES scrollPosition:UITableViewScrollPositionNone];
}
[aTableView deselectRowAtIndexPath:indexPath animated:YES];
}
#pragma mark -
#pragma mark slider & segmentedControl
// this updates the label and the command keys when the slider is moved, depending of the selection in segmentedControl
// no methods are called by this routine and you can pass nil to it
-(IBAction) sliderChanged:(id) sender {
NSString *labelText;
NSString *templateCommand;
NSString *mazeCommand;
switch ((int)(self.slider.value*100)) {
case 0:
if (self.segmentedControl.selectedSegmentIndex == 0) {
labelText = NSLocalizedString(@"Wacky",@"");
} else {
labelText = NSLocalizedString(@"Large Floating Islands",@"");
}
templateCommand = @"e$template_filter 5";
mazeCommand = @"e$maze_size 5";
break;
case 1:
if (self.segmentedControl.selectedSegmentIndex == 0) {
labelText = NSLocalizedString(@"Cavern",@"");
} else {
labelText = NSLocalizedString(@"Medium Floating Islands",@"");
}
templateCommand = @"e$template_filter 4";
mazeCommand = @"e$maze_size 4";
break;
case 2:
if (self.segmentedControl.selectedSegmentIndex == 0) {
labelText = NSLocalizedString(@"Small",@"");
} else {
labelText = NSLocalizedString(@"Small Floating Islands",@"");
}
templateCommand = @"e$template_filter 1";
mazeCommand = @"e$maze_size 3";
break;
case 3:
if (self.segmentedControl.selectedSegmentIndex == 0) {
labelText = NSLocalizedString(@"Medium",@"");
} else {
labelText = NSLocalizedString(@"Large Tunnels",@"");
}
templateCommand = @"e$template_filter 2";
mazeCommand = @"e$maze_size 2";
break;
case 4:
if (self.segmentedControl.selectedSegmentIndex == 0) {
labelText = NSLocalizedString(@"Large",@"");
} else {
labelText = NSLocalizedString(@"Medium Tunnels",@"");
}
templateCommand = @"e$template_filter 3";
mazeCommand = @"e$maze_size 1";
break;
case 5:
if (self.segmentedControl.selectedSegmentIndex == 0) {
labelText = NSLocalizedString(@"All",@"");
} else {
labelText = NSLocalizedString(@"Small Tunnels",@"");
}
templateCommand = @"e$template_filter 0";
mazeCommand = @"e$maze_size 0";
break;
default:
labelText = nil;
templateCommand = nil;
mazeCommand = nil;
break;
}
self.sizeLabel.text = labelText;
self.templateFilterCommand = templateCommand;
self.mazeSizeCommand = mazeCommand;
}
// update preview (if not busy and if its value really changed) as soon as the user lifts its finger up
-(IBAction) sliderEndedChanging:(id) sender {
int num = (int) (self.slider.value * 100);
if (oldValue != num) {
[self updatePreview];
oldValue = num;
}
playSound(@"clickSound");
}
// perform actions based on the activated section, then call updatePreview to visually update the selection
// updatePreview will call didSelectRowAtIndexPath which will call the right update routine)
// and if necessary update the table with a slide animation
-(IBAction) segmentedControlChanged:(id) sender {
NSString *mapgen, *staticmap;
NSInteger newPage = self.segmentedControl.selectedSegmentIndex;
playSound(@"selSound");
switch (newPage) {
case 0: // Random
mapgen = @"e$mapgen 0";
staticmap = @"";
[self sliderChanged:nil];
self.slider.enabled = YES;
break;
case 1: // Map
mapgen = @"e$mapgen 0";
// dummy value, everything is set by -updatePreview -> -didSelectRowAtIndexPath -> -updatePreviewWithMap
staticmap = @"map Bamboo";
self.slider.enabled = NO;
self.sizeLabel.text = @"";
[self restoreBackgroundImage];
break;
case 2: // Maze
mapgen = @"e$mapgen 1";
staticmap = @"";
[self sliderChanged:nil];
self.slider.enabled = YES;
break;
default:
mapgen = nil;
staticmap = nil;
break;
}
self.mapGenCommand = mapgen;
self.staticMapCommand = staticmap;
[self updatePreview];
// nice animation for updating the table when appropriate (on iphone)
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
if (((oldPage == 0 || oldPage == 2) && newPage == 1) ||
(oldPage == 1 && (newPage == 0 || newPage == 2))) {
[UIView beginAnimations:@"moving out table" context:NULL];
self.tableView.frame = CGRectMake(480, 0, 185, 276);
[UIView commitAnimations];
[self performSelector:@selector(moveTable) withObject:nil afterDelay:0.2];
}
oldPage = newPage;
}
// update data when table is not visible and then show it
-(void) moveTable {
[self.tableView reloadData];
[UIView beginAnimations:@"moving in table" context:NULL];
self.tableView.frame = CGRectMake(295, 0, 185, 276);
[UIView commitAnimations];
}
#pragma mark -
#pragma mark view management
-(void) viewDidLoad {
[super viewDidLoad];
srandom(time(NULL));
CGSize screenSize = [[UIScreen mainScreen] bounds].size;
self.view.frame = CGRectMake(0, 0, screenSize.height, screenSize.width - 44);
// themes.cfg contains all the user-selectable themes
NSString *string = [[NSString alloc] initWithContentsOfFile:[THEMES_DIRECTORY() stringByAppendingString:@"/themes.cfg"]
encoding:NSUTF8StringEncoding
error:NULL];
NSMutableArray *array = [[NSMutableArray alloc] initWithArray:[string componentsSeparatedByString:@"\n"]];
[string release];
// remove a trailing "" element
[array removeLastObject];
self.themeArray = array;
[array release];
self.mapArray = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:MAPS_DIRECTORY() error:NULL];
busy = NO;
// draw a white background
[self restoreBackgroundImage];
// initialize some "default" values
self.sizeLabel.text = NSLocalizedString(@"All",@"");
self.slider.value = 0.05f;
// select a map at first because it's faster
self.segmentedControl.selectedSegmentIndex = 1;
self.templateFilterCommand = @"e$template_filter 0";
self.mazeSizeCommand = @"e$maze_size 0";
self.mapGenCommand = @"e$mapgen 0";
self.staticMapCommand = @"";
self.lastIndexPath = [NSIndexPath indexPathForRow:0 inSection:0];
oldValue = 5;
oldPage = 0;
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
[self.tableView setBackgroundView:nil];
self.view.backgroundColor = [UIColor clearColor];
self.tableView.separatorColor = UICOLOR_HW_YELLOW_BODER;
self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
self.tableView.rowHeight = 45;
}
}
-(void) viewDidAppear:(BOOL) animated {
[super viewDidAppear:animated];
[self updatePreview];
}
#pragma mark -
#pragma mark delegate functions for iPad
-(IBAction) buttonPressed:(id) sender {
if (self.delegate != nil && [delegate respondsToSelector:@selector(buttonPressed:)])
[self.delegate buttonPressed:(UIButton *)sender];
}
#pragma mark -
-(void) didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
//[previewButton setImage:nil forState:UIControlStateNormal];
}
-(void) viewDidUnload {
self.delegate = nil;
self.previewButton = nil;
self.seedCommand = nil;
self.templateFilterCommand = nil;
self.mapGenCommand = nil;
self.mazeSizeCommand = nil;
self.themeCommand = nil;
self.staticMapCommand = nil;
self.previewButton = nil;
self.tableView = nil;
self.maxLabel = nil;
self.sizeLabel = nil;
self.segmentedControl = nil;
self.slider = nil;
self.lastIndexPath = nil;
self.themeArray = nil;
self.mapArray = nil;
MSG_DIDUNLOAD();
[super viewDidUnload];
}
-(void) dealloc {
self.delegate = nil;
[seedCommand release];
[templateFilterCommand release];
[mapGenCommand release];
[mazeSizeCommand release];
[themeCommand release];
[staticMapCommand release];
[previewButton release];
[tableView release];
[maxLabel release];
[sizeLabel release];
[segmentedControl release];
[slider release];
[lastIndexPath release];
[themeArray release];
[mapArray release];
[super dealloc];
}
@end