#include <windows.h>
#include <gl/Gl.h>
#include <gl/glut.h>
#include "mobjfile.h"
#include "car.h"

Car::Car(void)
{
	MinLengthVertex = MaxLengthVertex = 0;
	MinWidthVertex = MaxWidthVertex = 0;
	MinHeightVertex = MinHeightVertex = 0;
	ScalerFactor = 1;
}

Car::~Car(void)
{
	if ( vList ) glDeleteLists(CarList,1);
}

void Car::Draw() 
{
	if ( vList ) glCallList(CarList);
}

void Car::LoadCarFile(const char *fileName)
{
	LoadFile(fileName);

	MinLengthVertex = MaxLengthVertex = vList[1].P[0]; 
	MinWidthVertex  = MaxWidthVertex = vList[1].P[1];
	MinHeightVertex = MaxHeightVertex = vList[1].P[2];

	if ( vList )
		for(int i = 2 ; i < NumOfVertex + 1 ; i++) {
			if ( vList[i].P[0] < MinLengthVertex ) MinLengthVertex = vList[i].P[0];
			if ( vList[i].P[0] > MaxLengthVertex ) MaxLengthVertex = vList[i].P[0];
			if ( vList[i].P[1] < MinWidthVertex ) MinWidthVertex = vList[i].P[1];
			if ( vList[i].P[1] > MaxWidthVertex ) MaxWidthVertex = vList[i].P[1];
			if ( vList[i].P[2] < MinHeightVertex ) MinHeightVertex = vList[i].P[2];
			if ( vList[i].P[2] > MaxHeightVertex ) MaxHeightVertex = vList[i].P[2];
		}

	CarList = glGenLists(1);

	glNewList(CarList,GL_COMPILE);
		glBegin(GL_TRIANGLES);
		for(int i = 0 ; i < NumOfFace ; i++)
			for(int j = 0 ; j < 3 ; j++) {
				glColor4fv(mList[fList[i][j].IndexOfMaterial].Ka);
				glNormal3fv(nList[fList[i][2 - j].IndexOfNormal].P);
				glVertex3f(vList[fList[i][2 - j].IndexOfVertex].P[0] * ScalerFactor,
					       vList[fList[i][2 - j].IndexOfVertex].P[1] * ScalerFactor,
						   vList[fList[i][2 - j].IndexOfVertex].P[2] * ScalerFactor);
			}
		glEnd();
	glEndList();

}