C:/Documents and Settings/mtauraso/Desktop/proj3/projectX/textureAdd.cpp

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#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <io.h>
#include <set>
#include <map>
#include <iostream>

#include "SDL.h"
#include "SDL_image.h"

using namespace std;

void stripExtension(string& filename)
{
        filename.erase(filename.size()-1,1);
        filename.erase(filename.size()-1,1);
        filename.erase(filename.size()-1,1);
        filename.erase(filename.size()-1,1);
}

void readFiles(set<string> &textures, set<string> &pixels, string extension)
{
        struct _finddata_t file;
        intptr_t hFile;

        if( (hFile = _findfirst( ("textures/*." + extension).c_str(), &file )) != -1L ) {
                do {
                        string filename(file.name);
                        stripExtension(filename);
                        string end = filename.substr(filename.size() - 2,2);
                        if(end == "_p") {                               
                                filename.erase(filename.size()-1,1);
                                filename.erase(filename.size()-1,1);
                                pixels.insert(filename);
                        }
                        else 
                                textures.insert(filename);
                }
                while( _findnext( hFile, &file ) == 0 );

                _findclose( hFile );
        }
}

void checkCollisions(map<Uint32,string> &colors, set<string> &pixels, string extension, SDL_PixelFormat *&fmt)
{
        for(set<string>::iterator filename = pixels.begin(); filename != pixels.end(); filename++) {
                // http://manuals.thexdershome.com/SDL-1.2.5/html/sdlpixelformat.html
                SDL_Surface* surface = IMG_Load(("textures/" + *filename + "_p." + extension).c_str());
                Uint32 pixel;

                fmt=surface->format;
                SDL_LockSurface(surface);
                pixel=*((Uint32*)surface->pixels);
                SDL_UnlockSurface(surface);

                if(colors.find(pixel) != colors.end())
                        cerr << "Collision found: " << ("textures/" + (*colors.find(pixel)).second + "_p." + extension + " and ")
                                                                                << ("textures/" + *filename + "_p." + extension + "\n");
                else 
                        colors[pixel] = *filename;
                SDL_FreeSurface(surface);
        }
}



int main(int argc,char *argv[])
{

        set<string> texturesPNG;
        set<string> pixelsPNG;
        set<string> texturesBMP;
        set<string> pixelsBMP;

        readFiles(texturesPNG,pixelsPNG,"png");
        readFiles(texturesBMP,pixelsBMP,"bmp");

        map<Uint32,string> colors;
        SDL_PixelFormat *fmt = NULL;

        checkCollisions(colors,pixelsPNG,"png",fmt);
        checkCollisions(colors,pixelsBMP,"bmp",fmt);

        return 1;
}

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