#ifndef __STKGL_H_
#define __STKGL_H_
#include <stdio.h>

typedef float sk1Vertex[3];
typedef float sk1Color[3];

typedef struct {
 int vertices; // defines how many lines of vertices
 int colors; //how many lines will have color codes
 int colorSkip; // defines how many lines before the colors begin e.g. after 3 lines of vertices, start 1 line of color
 sk1Vertex *mdlVert;
 sk1Color *mdlColor;
}model;

class STKGL
{
public:
 void DrawScene(void (*p)());
 model *TriangleLoad(model *tem, char *Filename);
 void DrawTriangle(model*);
 STKGL() {;};
 ~STKGL() {;};
 sk1Vertex *t;
 sk1Color *p;
};

void STKGL::DrawScene(void (*p)())
{
 (*p)();
}

model *STKGL::TriangleLoad(model *tem, char *Filename)
{
 STKGL *Ctemp;
 ZeroMemory(tem, sizeof(model));
 int skipNum = 0;
 int colNum;
 FILE *fptr, *fOut;
 fptr = fopen(Filename, "rb");
 fscanf(fptr, "%d", &tem->vertices);
 fscanf(fptr, "%d", &tem->colors);
 fscanf(fptr, "%d", &tem->colorSkip);
 //sk1Vertex *mdlVert = new sk1Vertex[tem->vertices];
 tem->mdlVert = new sk1Vertex[tem->vertices];
 tem->mdlColor = new sk1Color[tem->colors];
 for(int v = 0; v <= tem->vertices-1; v++)
 {
  fscanf(fptr, "%f %f %f", &tem->mdlVert[v][0], &tem->mdlVert[v][1], &tem->mdlVert[v][2]);
 }
 for(int c = 0; c <= tem->colors-1; c++)
 {
  fscanf(fptr, "%f %f %f", &tem->mdlColor[c][0], &tem->mdlColor[c][1], &tem->mdlColor[c][2]);
 }
 fclose(fptr);
 return tem;
}

void STKGL::DrawTriangle(model *tem)
{
 int colNum = 0;
 static float x = 0.5f;
 int skipNum = 1;
 int n = 0;
 glRotatef(x, 0.5f, 0.5f, 0.0f);
 glBegin(GL_TRIANGLES);
  for(n = 0; n <= tem->vertices-1; n++)
  {
    glColor3f(1.0f, 1.0f, 1.0f);
    if(colNum != tem->colors)
    {
        if(skipNum == tem->colorSkip)
        {
              glColor3f(tem->mdlColor[colNum][0], tem->mdlColor[colNum][1], tem->mdlColor[colNum][2]);
              glVertex3f(tem->mdlVert[n][0], tem->mdlVert[n][1], tem->mdlVert[n][2]);
              colNum++;
              skipNum = 1;
        }
        else {
          glVertex3f(tem->mdlVert[n][0], tem->mdlVert[n][1], tem->mdlVert[n][2]);
        }
    }
    else{
        glVertex3f(tem->mdlVert[n][0], tem->mdlVert[n][1], tem->mdlVert[n][2]);
    }
    skipNum++;
  }
 glEnd();
 x+=0.03f;
}
#endif