From 9cd57b731ab1c666d4a1cb725538fdc137763d12 Mon Sep 17 00:00:00 2001 From: Starla Insigna Date: Sat, 30 Jul 2011 11:19:14 -0400 Subject: Initial commit (version 0.2.1) --- libs/cocos2d/CCTMXTiledMap.m | 201 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 201 insertions(+) create mode 100755 libs/cocos2d/CCTMXTiledMap.m (limited to 'libs/cocos2d/CCTMXTiledMap.m') diff --git a/libs/cocos2d/CCTMXTiledMap.m b/libs/cocos2d/CCTMXTiledMap.m new file mode 100755 index 0000000..7f86c6a --- /dev/null +++ b/libs/cocos2d/CCTMXTiledMap.m @@ -0,0 +1,201 @@ +/* + * cocos2d for iPhone: http://www.cocos2d-iphone.org + * + * Copyright (c) 2009-2010 Ricardo Quesada + * Copyright (c) 2011 Zynga Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + * + * TMX Tiled Map support: + * http://www.mapeditor.org + * + */ + +#import "CCTMXTiledMap.h" +#import "CCTMXXMLParser.h" +#import "CCTMXLayer.h" +#import "CCTMXObjectGroup.h" +#import "CCSprite.h" +#import "CCTextureCache.h" +#import "Support/CGPointExtension.h" + + +#pragma mark - +#pragma mark CCTMXTiledMap + +@interface CCTMXTiledMap (Private) +-(id) parseLayer:(CCTMXLayerInfo*)layer map:(CCTMXMapInfo*)mapInfo; +-(CCTMXTilesetInfo*) tilesetForLayer:(CCTMXLayerInfo*)layerInfo map:(CCTMXMapInfo*)mapInfo; +@end + +@implementation CCTMXTiledMap +@synthesize mapSize = mapSize_; +@synthesize tileSize = tileSize_; +@synthesize mapOrientation = mapOrientation_; +@synthesize objectGroups = objectGroups_; +@synthesize properties = properties_; + ++(id) tiledMapWithTMXFile:(NSString*)tmxFile +{ + return [[[self alloc] initWithTMXFile:tmxFile] autorelease]; +} + +-(id) initWithTMXFile:(NSString*)tmxFile +{ + NSAssert(tmxFile != nil, @"TMXTiledMap: tmx file should not bi nil"); + + if ((self=[super init])) { + + [self setContentSize:CGSizeZero]; + + CCTMXMapInfo *mapInfo = [CCTMXMapInfo formatWithTMXFile:tmxFile]; + + NSAssert( [mapInfo.tilesets count] != 0, @"TMXTiledMap: Map not found. Please check the filename."); + + mapSize_ = mapInfo.mapSize; + tileSize_ = mapInfo.tileSize; + mapOrientation_ = mapInfo.orientation; + objectGroups_ = [mapInfo.objectGroups retain]; + properties_ = [mapInfo.properties retain]; + tileProperties_ = [mapInfo.tileProperties retain]; + + int idx=0; + + for( CCTMXLayerInfo *layerInfo in mapInfo.layers ) { + + if( layerInfo.visible ) { + CCNode *child = [self parseLayer:layerInfo map:mapInfo]; + [self addChild:child z:idx tag:idx]; + + // update content size with the max size + CGSize childSize = [child contentSize]; + CGSize currentSize = [self contentSize]; + currentSize.width = MAX( currentSize.width, childSize.width ); + currentSize.height = MAX( currentSize.height, childSize.height ); + [self setContentSize:currentSize]; + + idx++; + } + } + } + + return self; +} + +-(void) dealloc +{ + [objectGroups_ release]; + [properties_ release]; + [tileProperties_ release]; + [super dealloc]; +} + +// private +-(id) parseLayer:(CCTMXLayerInfo*)layerInfo map:(CCTMXMapInfo*)mapInfo +{ + CCTMXTilesetInfo *tileset = [self tilesetForLayer:layerInfo map:mapInfo]; + CCTMXLayer *layer = [CCTMXLayer layerWithTilesetInfo:tileset layerInfo:layerInfo mapInfo:mapInfo]; + + // tell the layerinfo to release the ownership of the tiles map. + layerInfo.ownTiles = NO; + + [layer setupTiles]; + + return layer; +} + +-(CCTMXTilesetInfo*) tilesetForLayer:(CCTMXLayerInfo*)layerInfo map:(CCTMXMapInfo*)mapInfo +{ + CFByteOrder o = CFByteOrderGetCurrent(); + + CGSize size = layerInfo.layerSize; + + id iter = [mapInfo.tilesets reverseObjectEnumerator]; + for( CCTMXTilesetInfo* tileset in iter) { + for( unsigned int y = 0; y < size.height; y++ ) { + for( unsigned int x = 0; x < size.width; x++ ) { + + unsigned int pos = x + size.width * y; + unsigned int gid = layerInfo.tiles[ pos ]; + + // gid are stored in little endian. + // if host is big endian, then swap + if( o == CFByteOrderBigEndian ) + gid = CFSwapInt32( gid ); + + // XXX: gid == 0 --> empty tile + if( gid != 0 ) { + + // Optimization: quick return + // if the layer is invalid (more than 1 tileset per layer) an assert will be thrown later + if( gid >= tileset.firstGid ) + return tileset; + } + } + } + } + + // If all the tiles are 0, return empty tileset + CCLOG(@"cocos2d: Warning: TMX Layer '%@' has no tiles", layerInfo.name); + return nil; +} + + +// public + +-(CCTMXLayer*) layerNamed:(NSString *)layerName +{ + CCTMXLayer *layer; + CCARRAY_FOREACH(children_, layer) { + if([layer isKindOfClass:[CCTMXLayer class]]) + if([layer.layerName isEqual:layerName]) + return layer; + } + + // layer not found + return nil; +} + +-(CCTMXObjectGroup*) objectGroupNamed:(NSString *)groupName +{ + for( CCTMXObjectGroup *objectGroup in objectGroups_ ) { + if( [objectGroup.groupName isEqual:groupName] ) + return objectGroup; + } + + // objectGroup not found + return nil; +} + +// XXX deprecated +-(CCTMXObjectGroup*) groupNamed:(NSString *)groupName +{ + return [self objectGroupNamed:groupName]; +} + +-(id) propertyNamed:(NSString *)propertyName +{ + return [properties_ valueForKey:propertyName]; +} +-(NSDictionary*)propertiesForGID:(unsigned int)GID{ + return [tileProperties_ objectForKey:[NSNumber numberWithInt:GID]]; +} +@end + -- cgit 1.4.1