source: GTP/trunk/Lib/Vis/shared/EvalStats/EvalStats.cpp @ 656

// EvalStats.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"

#include <string>
#include <vector>
#include <istream>
#include <iostream>
#include <fstream>


using namespace std;

bool extractRenderCost(ifstream &file, vector<float> &renderCosts)
{
        if (!file.is_open())
                return false;
                
        string buf;
        bool isRenderCost = false;

        while (!(getline(file, buf)).eof())
        {
                if (buf[0] == '#')
                {
                        char entry[50]; 

                        sscanf(buf.c_str(), "#%s", entry);
                        
                        if (strcmp(entry, "TotalRenderCost") == 0)
                                isRenderCost = true;
                }
                else if (isRenderCost)
                {
                        float rc;
                        sscanf(buf.c_str(), "%f", &rc);
                        
                        renderCosts.push_back(rc);
                        isRenderCost = false;
                }
        }

        return true;
}

int _tmain(int argc, _TCHAR* argv[])
{
        vector<float> renderCosts1;
        vector<float> renderCosts2;
        
        ifstream file1(argv[1]);
        ifstream file2(argv[2]);

        ofstream statsOut(argv[3]);

        extractRenderCost(file1, renderCosts1);
        extractRenderCost(file2, renderCosts2);

        //statsOut << "rc1 size: " << (int)renderCosts1.size() << " " << (int)renderCosts2.size() << endl << endl;
        int n = min((int)renderCosts1.size(), (int)renderCosts2.size());
        
        if (argc > 4)
        {
                char *endptr = NULL;
                        
                int limit = strtol(argv[4], &endptr, 10);
                
                n = min(n, limit);
        }

        for (int i = 0; i < n; ++ i)
        {
                float costRatio = renderCosts2[i] != 0 ? 
                        renderCosts1[i] / renderCosts2[i] : renderCosts1[i] / 0.0000001f;

                statsOut << "#ViewCells\n" << i + 1 << endl
                                 << "#RenderCostRatio\n" << costRatio * 100.0f << endl;
        }

        return 0;
}