/*
put your name here, just in case ****
Project 1: Ray Tracing
CS4451A, Spring 2005
*/

#include <math.h>
#include <fstream.h>
#include <iostream.h>
#include <stdlib.h>
#include <vector.h>
#include "defs.h"
#include "functions.h"

/* ------------- Main ------------ */

int main ( )
{
    
    /* First, get the necessary data */
    int m, n;           // specify the output image size, assuming m x n
    Point e, l;         // viewpoint e, lower left corner l
    Vector h, v;        // vectors vertical and horizontal edges
    Light light;        // Light source
    float ambience;     // Ambient light intensity
    int numPrimitives;  // Number of Primitives
    vector<Primitive> primitives;
    

    /* ------------ Scan Input ---------------- */

    /* Begin scanning the input assuming 80 column lines */
    char* input = (char*)malloc(sizeof(char) * 81);
    char* pEnd;
    
    //Get m and n
    cin.getline(input, 81);
    m = strtol(input, &pEnd, 10);
    n = strtol(pEnd,NULL,10);
    #ifdef bDebug
        printObject(m);
        printObject(n);
    #endif

    //Get e
    scanInput(e,input);
    #ifdef bDebug
        printObject(e);
    #endif

    //Get l
    scanInput(l,input);
    #ifdef bDebug
        printObject(l);
    #endif

    //Get h
    scanInput(h,input);
    #ifdef bDebug
        printObject(h);
    #endif

    //Get v
    scanInput(v,input);
    #ifdef bDebug
        printObject(v);
    #endif

    //Get Light
    scanInput(light,input);
    #ifdef bDebug
        printObject(light);
    #endif

    //Get ambient light level
    cin.getline(input,81);
    ambience = strtof(input, NULL);
    #ifdef bDebug
        printObject(ambience);
    #endif

    //Get Primitive count
    cin.getline(input,81);
    numPrimitives = strtol(input,NULL,10);
    primitives.resize(numPrimitives);
    #ifdef bDebug
        printObject(numPrimitives);
    #endif

    scanInput(primitives,numPrimitives, input);

    /* ------------ Do the actual raytracing ---------------- */


    #if 0
    int x,y;

    /* create a little example.... */

    image img(256,256);
    for ( x=0; x<256; x++ ) {
        for ( y=0; y<256; y++ )
        {
            RGB &pix = img.pixel(x,y);

            /* call your raytracer here, then assign the rgb values
             it returns to the pixel */

            pix.r = x/255.0;
            pix.g = y/255.0;
            pix.b = (2-(x/255.0+y/255.0))/2;
        }
    }

    /* dump the image to standard output */
    cout << img;
    #endif



    return 0;
}