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

#include "MessageQueue.h"
#include "C_MatchBloxEngine.h"

#define SCREEN_WIDTH  640
#define SCREEN_HEIGHT 480

msgQueue g_Queue;
C_MatchBloxEngine *g_pEngine;

void init_gl(void)
{
  GLfloat l_fLightpos[4] = {0.0, 1.0, 1.0, 0.0};
  glClearColor(0.9, 0.9, 0.9, 1.0);
  glClearDepth(1000.0);
  glShadeModel(GL_SMOOTH);
  glEnable(GL_DEPTH_TEST);
  glEnable(GL_LIGHTING);
  glEnable(GL_LIGHT0);
  glLightfv(GL_LIGHT0, GL_POSITION, l_fLightpos);
  glEnable(GL_NORMALIZE);
  
  glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
} // init_gl

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

  glutPostRedisplay();
}

void render_scene(void)
{
  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
  g_pEngine->Render(glutGet(GLUT_ELAPSED_TIME));

  glutSwapBuffers();

} // render_scene

void reshape(int w, int h)
{
  //set the new viewport dimension
  glViewport(0, 0, w, h);
  glMatrixMode(GL_PROJECTION);
  glLoadIdentity();
  gluPerspective(90.0, ((GLdouble)h)/((GLdouble)w), 0.5, 100.0);
  glTranslated(0.0, 0.0, -0.5);
  glMatrixMode(GL_MODELVIEW);
  glLoadIdentity();
}

void process_normal_keys(unsigned char key, int x, int y)
{
  // escape
  if (key == 27) 
  {
    exit(0);
  }
  else
  {
    if (key == 'n')
    {
      g_pEngine->Abort();
      g_pEngine->NewGame(0, 0, BS_LARGE);
    }
    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("MatchBloxEngine demo");

  glutReshapeFunc(reshape);
  glutDisplayFunc(render_scene);
  glutIdleFunc(idle_func);
  glutKeyboardFunc(process_normal_keys);
  glutSpecialFunc(process_special_keys);
  glutMouseFunc(process_mouse);
  glutPassiveMotionFunc(process_passive_mouse);

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

  g_pEngine = new C_MatchBloxEngine("models", "");
  
  glutMainLoop();

  return 0;

} // main