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/*
* 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
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