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/*

Ïðèìåð âçÿò èç íàáîðà ïðèìåðîâ ê êîìïèëÿòîðó XS Compiler

iadn

http://www.iadn.narod.ru

iadn@bk.ru

*/

#include 

#include

#include  //TinyGL

#include "SysCall.h"

#include "ProcessTab.h"

int Fps (long x, long y);

extern "C"{

int main(void);

}

static struct {

	   int x,y;

	   int dx,dy;

	   } win;

#define CUBE_STEP 0.1

#define KEY_ESC       1

#define KEY_F     	 33

static char title[50] = "Cubeline / F full screen / FPS:";

static unsigned char FullScreen = 0;

static unsigned char skin = 3;

static float angle;

static process_table_entry_* pri;

static KOSGLContext cgl;

static void draw_cube()

{

  float x,y,z;

  glBegin(GL_LINES);

    for(y=-0.5;y<=0.5;y+=CUBE_STEP)

    {

      // the front

      glColor3f(0,y+0.5,0);

      glVertex3f(-0.5,y,-0.5);

      glColor3f(1,y+0.5,0);

      glVertex3f(0.5,y,-0.5);

      // the back

      glColor3f(0,y+0.5,1);

      glVertex3f(-0.5,y,0.5);

      glColor3f(1,y+0.5,1);

      glVertex3f(0.5,y,0.5);

      //right side

      glColor3f(1,y+0.5,0);

      glVertex3f(0.5,y,-0.5);

      glColor3f(1,y+0.5,1);

      glVertex3f(0.5,y,0.5);

      //left side

      glColor3f(0,y+0.5,0);

      glVertex3f(-0.5,y,-0.5);

      glColor3f(0,y+0.5,1);

      glVertex3f(-0.5,y,0.5);

   }

   for(x=-0.5;x<=0.5;x+=CUBE_STEP)

   {

      // the front

      glColor3f(x+0.5,1,0);

      glVertex3f(x,0.5,-0.5);

      glColor3f(x+0.5,0,0);

      glVertex3f(x,-0.5,-0.5);

      // the back

      glColor3f(x+0.5,1,1);

      glVertex3f(x,0.5,0.5);

      glColor3f(x+0.5,0,1);

      glVertex3f(x,-0.5,0.5);

      // the top

      glColor3f(x+0.5,1,0);

      glVertex3f(x,0.5,-0.5);

      glColor3f(x+0.5,1,1);

      glVertex3f(x,0.5,0.5);

      // the bottom

      glColor3f(x+0.5,0,0);

      glVertex3f(x,-0.5,-0.5);

      glColor3f(x+0.5,0,1);

      glVertex3f(x,-0.5,0.5);

   }

   for(z=-0.5;z<=0.5;z+=CUBE_STEP)

   {

      // the top

      glColor3f(0,1,z+0.5);

      glVertex3f(-0.5,0.5,z);

      glColor3f(1,1,z+0.5);

      glVertex3f(0.5,0.5,z);

      // the bottom

      glColor3f(0,0,z+0.5);

      glVertex3f(-0.5,-0.5,z);

      glColor3f(1,0,z+0.5);

      glVertex3f(0.5,-0.5,z);

      // right side

      glColor3f(1,1,z+0.5);

      glVertex3f(0.5,0.5,z);

      glColor3f(1,0,z+0.5);

      glVertex3f(0.5,-0.5,z);

      // left side

      glColor3f(0,1,z+0.5);

      glVertex3f(-0.5,0.5,z);

      glColor3f(0,0,z+0.5);

      glVertex3f(-0.5,-0.5,z);

   }

  glEnd();

}

static void DrawGL()

{

  glLoadIdentity();                                                                               // óñòàíàâëèâàåì åäåíè÷íóþ ìàòðèöó

  glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

  glTranslatef(0.0, 0.0, -3.0);

  glRotatef(angle, 1.0, 0.0, 0.0);

  glRotatef(2.0*angle, 0.0, 1.0, 0.0);

  glRotatef(3.0*angle, 0.0, 0.0, 1.0);

  draw_cube();

  kosglSwapBuffers();

 }

static void reshape()

{

   __menuet__get_process_table((process_table_entry*)pri,-1);

   glViewport(0, 0, pri->winx_size, pri->winy_size-20);

   glMatrixMode(GL_PROJECTION);

   glLoadIdentity();

   gluPerspective(45.0, (GLfloat)pri->winx_size/pri->winy_size, 1.0, 300.0);

   glMatrixMode(GL_MODELVIEW);

   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

}

static void disabletgl()

{

	kosglDestroyContext(cgl);

	delete pri;

}

static void Title()

{

  SysCall(71,1,title);

}

static void draw_window(void)

{

  __menuet__window_redraw(1); // start redraw

  __menuet__define_window(win.x,win.y,win.dx,win.dy,TYPEWIN(0,0,0,1,skin,0,0,0),0,0);

  __menuet__window_redraw(2); // end redraw

  Title();

}

int main(void)

{

  win.x = 100;

  win.y = 100;

  win.dx = 400;

  win.dy = 400;

  draw_window();

  cgl = kosglCreateContext( 0, 0);

  kosglMakeCurrent( 0, 20, win.dx, win.dy-20, cgl);

  glMatrixMode(GL_MODELVIEW);

  glLoadIdentity();

  glClearDepth(1.0);

  glEnable( GL_CULL_FACE );

  glEnable(GL_DEPTH_TEST);

  pri=new process_table_entry_;

  SysCall(66,1,1);

  reshape();

do{

 if (angle < 360.0) angle += 0.001 + 0.1*Fps (330,8);

               else angle = 0.0;

 DrawGL();

		  switch(__menuet__check_for_event())

		      {

		          case 1: draw_window();

				  	   	  reshape();

				  	   	  break;

		          case 2:

		          	   switch(__menuet__getkey()){

						   case KEY_F:

                                    if(!FullScreen){

									 skin=0;

									 SysCall(67,0,0,SysCall(14)>>16,SysCall(14)&0xffff);

									 draw_window();

									 reshape();

									 FullScreen = 1;

									}

									else{

									 skin=3;

									 draw_window();

									 SysCall(67,win.x,win.y,win.dx,win.dy);

									 reshape();

									 FullScreen = 0;

									};

						  			break;

                           case KEY_ESC: disabletgl();

						  				 return 0;}

						  				 break;

			  	  case 3: disabletgl();

						  return 0;

		      }

}while(1);

}