#include <clock.h>

#include <armodels.h>

#include <time.h>

#include <sys/timeb.h>



// sepcify the ARLib namespaces that are to be used

using namespace ARLib::Application;

using namespace ARLib::Graphics;

using namespace ARLib::Utility;



// define OpenGL colour parameters

const GLfloat ambientLight[] = { 0.3f, 0.3f, 0.3f, 1.0f };

const GLfloat diffuseLight[] = { 0.7f, 0.7f, 0.7f, 1.0f };

const GLfloat lightPos[] = { 10.0f, 10.0f, -10.0f, 1.0f };



// constants for loaded obj files

#define OBJ_MINUTE_HAND	101

#define	OBJ_HOUR_HAND	102

#define	OBJ_SECOND_HAND	103



/* */

void Clock::OnGetApplicationTitle( ARString &title )

{

	// Set the title for the AR Application

	title = "Augmented Ticking Clock";

}



/* */

void Clock::OnGetDetailHelp( ARString &help )

{

	// Set the detail help for the application

	help = "An augmented reality application that displays a ticking clock.";

}



/* */

void Clock::OnInit( int *argc, char *argv[] )

{

	// Call base implementation

	ARAppBase::OnInit( argc, argv );



	// Load custom models that will be used

	ARModels::Add( "models/bighand.obj" , OBJ_MINUTE_HAND );

	ARModels::Add( "models/smallhand.obj" , OBJ_HOUR_HAND );

	ARModels::Add( "models/secondhand.obj" , OBJ_SECOND_HAND );



}



/* */

void Clock::OnInitDisplayAR()

{

	// Call base implementation

	ARAppBase::OnInitDisplayAR();



	// Setup OpenGL lights

	glLightfv( GL_LIGHT0, GL_AMBIENT, ambientLight );

	glLightfv( GL_LIGHT0, GL_DIFFUSE, diffuseLight );

	glLightfv( GL_LIGHT0, GL_POSITION, lightPos );



	glColorMaterial( GL_FRONT, GL_AMBIENT_AND_DIFFUSE );



	glEnable( GL_LIGHTING );

	glEnable( GL_LIGHT0 );

	glEnable( GL_COLOR_MATERIAL );

}



/* */

void Clock::OnDisplayAR( ARLib::Detection::ARBoundingBox *marker )

{

	ARAppBase::OnDisplayAR( marker );



	// get the time

	time_t theTime;

	time( &theTime );



	// break the time down into useful elements e.g. hours, minutes and seconds

	tm *fullTime = localtime( &theTime );

	

	// Draw the Second hand

	glPushMatrix();

	glRotatef(-(6 * fullTime->tm_sec),0,1,0);

	ARModels::glDrawList( OBJ_SECOND_HAND );

	glPopMatrix();



	// Draw the Hour hand

	glPushMatrix();

	glRotatef(-((30*fullTime->tm_hour) + ((fullTime->tm_min/60.0)*5)*6),0,1,0);

	ARModels::glDrawList( OBJ_HOUR_HAND );

	glPopMatrix();



	// Draw the Minute hand

	glPushMatrix();

	glRotatef(-(6*fullTime->tm_min),0,1,0);

	ARModels::glDrawList( OBJ_MINUTE_HAND );

	glPopMatrix();



}