/Users/sjg/iPhone/WhirlyGlobe/WhirlyGlobeSrc/WhirlyGlobeLib/include/RenderCache.h

/*
 *  RenderCache.h
 *  WhirlyGlobeLib
 *
 *  Created by Steve Gifford on 9/19/11.
 *  Copyright 2011 mousebird consulting
 *
 *  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 <UIKit/UIKit.h>
#import <map>
#import "Texture.h"
#import "Drawable.h" 
#import "GlobeScene.h"

namespace WhirlyGlobe 
{
    
bool RenderCacheExists(NSString *baseName);
    
class RenderCacheWriter
{
public:
    RenderCacheWriter(NSString *fileName);
    ~RenderCacheWriter();
    
    std::string addTexture(SimpleIdentity texId,UIImage *);
    
    bool addDrawable(const Drawable *);
    
    void setIgnoreTextures();
    
protected:
    std::string fileBase;
    unsigned int numTextures,numDrawables;
    TextureIDMap texIDMap;
    FILE *fp;
    bool ignoreTextures;
};
    
class RenderCacheReader
{
public:
    RenderCacheReader(NSString *fileName);
    ~RenderCacheReader();

    bool getDrawablesAndTextures(std::vector<Texture *> &textures,std::vector<Drawable *> &drawables);

    bool getDrawablesAndTexturesAddToScene(GlobeScene *scene,SimpleIDSet &texIDs,SimpleIDSet &drawIDs,float fade);
    
protected:
    unsigned int numTextures,numDrawables;
    std::string fileBase;
    std::string fileDir;
    TextureIDMap texIDMap;
    FILE *fp;
};

}