//============================================================================
// menu.cpp
// Example of menu setup
//============================================================================

#include <GL/glut.h>

// EXTERNAL STUFF
#include "GLint.h"
#include "keyinput.hpp"
#include "pathplay.hpp"
#include "snapshot.hpp"

int EnvMapOn=0;

int MainMenuID;
int UserMenuID;

void MenuHandler(int value)
{
  switch(value)
  {
    case 0: case 1: case 2: case 3: // TRACKBALL, DRIVE, TRANSLATE, LOOK
      keyMode=value;
      break;
    case 4:
      StartRecording();
      break;
    case 5:
      StartPlayback(GfxDrawScene);
      break;
    case 6:
      StopRecording();
      break;
    case 7:
      SnapShot();
      break;
    case 8:
      if (EnvMapOn) { EnvMapOn=0; glDisable(GL_TEXTURE_2D); }
      else { EnvMapOn=1; glEnable(GL_TEXTURE_2D);  };
      break;
  };
}

void NullMenuFunc(int menuItem)
{
    return;
}

void GfxAddtoUserMenu()
{
   glutSetMenu(UserMenuID);
}

void GfxSetUserMenuHandler(void (*UserMenuHandler)(int))
{
   glutDestroyMenu(UserMenuID);
   UserMenuID = glutCreateMenu(UserMenuHandler);
   glutSetMenu(MainMenuID);
   /* We know that the Sub menu is always the last item */
   glutChangeToSubMenu(glutGet(GLUT_MENU_NUM_ITEMS),
                       "User Menu", UserMenuID);
   glutSetMenu(UserMenuID);
}

void InitMenu()
{
  UserMenuID = glutCreateMenu(NullMenuFunc);
  MainMenuID = glutCreateMenu(MenuHandler);
	 glutAddMenuEntry("TrackBall (z)",0);
	 glutAddMenuEntry("Drive (x)",1);
	 glutAddMenuEntry("Translate (c)",2);
	 glutAddMenuEntry("Look (v)",3);
	 glutAddMenuEntry("Record",4);
	 glutAddMenuEntry("Play",5);
	 glutAddMenuEntry("Stop",6);
	 glutAddMenuEntry("SnapShot",7);
	 glutAddMenuEntry("Env Map",8);
	 glutAddSubMenu("User Menu", UserMenuID);
	 glutAttachMenu(GLUT_RIGHT_BUTTON);
}