PLSceneElement.m

/*
 * PanoramaGL library
 * Version 0.1
 * Copyright (c) 2010 Javier Baez <javbaezga@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#import "PLSceneElementProtected.h"

@implementation PLSceneElement

#pragma mark -
#pragma mark init methods

- (id)initWithId:(long long)identifierValue
{
    if (self = [super init])
        self.identifier = identifierValue;
    return self;
}

- (id)initWithId:(long long)identifierValue texture:(PLTexture *)texture
{
    if (self = [super init]) {
        self.identifier = identifierValue;
        [self addTexture:texture];
    }
    return self;
}

- (id)initWithTexture:(PLTexture *)texture
{
    if (self = [super init])
        [self addTexture:texture];
    return self;
}

- (void)initializeValues
{
    [super initializeValues];
    textures = [[NSMutableArray alloc] init];
}

#pragma mark -
#pragma mark property methods

- (PLSceneElementType)getType
{
    return PLSceneElementTypeObject;
}

- (NSMutableArray *)getTextures
{
    return textures;
}

#pragma mark -
#pragma mark texture methods

- (void)addTexture:(PLTexture *)texture
{
    if (texture) {
        [textures addObject:texture];
        [self evaluateIfElementIsValid];
    }
}

- (void)removeTexture:(PLTexture *)texture
{
    if (texture) {
        [textures removeObject:texture];
        [self evaluateIfElementIsValid];
    }
}

- (void)removeTextureAtIndex:(NSUInteger)index
{
    [textures removeObjectAtIndex:index];
    [self evaluateIfElementIsValid];
}

- (void)removeAllTextures
{
    [textures removeAllObjects];
    [self evaluateIfElementIsValid];
}

#pragma mark -
#pragma mark eval methods

- (void)evaluateIfElementIsValid
{
    [self setIsValid:[textures count] > 0];
}

#pragma mark -
#pragma mark dealloc methods

- (void)dealloc
{
    if (textures) {
        [self removeAllTextures];
        [textures release];
    }
    [super dealloc];
}

@end