#include <GL/glut.h>
#include <stdlib.h>


#include "MessageQueue.h"

#define SCREEN_WIDTH  640
#define SCREEN_HEIGHT 480

msgQueue g_Queue;

void init_gl(void)
{
  glClearColor(0.2, 1, 0.2, 1);
  glClearDepth(1000.0);
} // init_gl

void idle_func(void)
{
  //call engine idle func

  glutPostRedisplay();
}

void render_scene(void)
{
  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  

  glutSwapBuffers();

} // render_scene



void process_normal_keys(unsigned char key, int x, int y)
{
  // escape
  if (key == 27) 
  {
    exit(0);
  }
  else
  {
    msgStruct l_msg;
    l_msg.m_MessageType = KEY_PRESS;
    l_msg.parm1 = key;
    l_msg.parm2 = x;
    l_msg.parm3 = y;

    g_Queue.push(l_msg);
  }
} // process_normal_keys



void process_special_keys(int key, int x, int y)
{
  switch (key)
  {
	  // do sumting
  }
  msgStruct l_msg;
  l_msg.m_MessageType = SPECIAL_KEY;
  l_msg.parm1 = key;
  l_msg.parm2 = x;
  l_msg.parm3 = y;

  g_Queue.push(l_msg);

} // process_special_keys



void process_mouse(int button, int state, int x, int y)
{
  msgStruct l_msg;
  l_msg.m_MessageType = MOUSE_PRESS;
  l_msg.parm1 = button;
  l_msg.parm2 = state;
  l_msg.parm3 = x;
  l_msg.parm4 = y;

  g_Queue.push(l_msg);


} // process_mouse



void process_passive_mouse(int x, int y)
{
  //process_mouse(-1, -1, x, y);
  msgStruct l_msg;
  l_msg.m_MessageType = MOUSE_MOVE;
  l_msg.parm1 = x;
  l_msg.parm2 = y;
  l_msg.parm3 = 0;
  l_msg.parm4 = 0;

  g_Queue.push(l_msg);

} // process_passive_mouse



int main(int argc, char **argv)
{
  glutInit(&argc, argv);
  glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
  glutInitWindowSize(SCREEN_WIDTH, SCREEN_HEIGHT);
  glutCreateWindow("Menu demo");
  glutDisplayFunc(render_scene);
  glutIdleFunc(render_scene);
  glutKeyboardFunc(process_normal_keys);
  glutSpecialFunc(process_special_keys);
  glutMouseFunc(process_mouse);
  glutPassiveMotionFunc(process_passive_mouse);

  init_gl();
  //MenuInit(SCREEN_WIDTH, SCREEN_HEIGHT);

  glutMainLoop();

  return 0;

} // main