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#include "DarkGDK.h"
#include "SC_Collision.h"


int numSpheres = 5;
float radius = 7.0f;
float littleRadius = 2.0f;
//menu variables
bool Omenu = false;
bool game = false;
bool Mmenu = true;

int rtimer = 0;
int stimer = 0;
int vtimer = 0;
int flyTimer=0;
int x_posi=float(dbObjectPositionX(2)*dbObjectPositionX(2))/2;
float gravity = -0.1f;
float slope = 0.5f;
int ground = 1;
int jumptimer = 0;

int syncmode = 60;
int view = 1;
int hide = 0;
bool allow_move=true;
//player movement vector
float vx = 0;
float vy = 0;
float vz = 0;


// if in air for more than 1 seconds then bounce when land*********




void makeLevel()
{
	dbLoadObject( "Media//level_one_3dws.x",1 );
	dbScaleObject(1,20,20,20);
	//dbRotateObject(1,90,0,0);
	dbSetObjectSpeed(1,1000);
	SC_SetupObject( 1,1,0 );


	dbLoadObject("Media//sky//555.x",17);
		
	//dbSetObjectTexture ( 17, 3, 1 );					// set texture properties
	dbPositionObject   ( 17, 1000, 1900, 200 );		// position the skybox
	dbScaleObject      ( 17, 40000, 40000, 40000 );	// and finally scale
}


void menu()
{

if(Mmenu==true)
	{
		  dbSprite (18, 0,0, 18);
          dbSizeSprite( 18, (dbScreenWidth()),(dbScreenHeight()));
          dbSetSprite(18, 1, 0);
	   dbShowSprite(18);
	   dbHideSprite(19);

		//backgraund
        
		  //dbSprite(2, 97, 230, 2);
    
        //buttons
		        //exit
	       	if(dbMouseX() > 117 && dbMouseX() < 117+55 && dbMouseY() >                                      255&&dbMouseY() <255+26&&dbMouseClick())
	               	{
                    return;
              		}
			     //Options

		         if(dbMouseX() > 95 && dbMouseX() < 105+95 && dbMouseY() >                                      225&&dbMouseY() <225+26&&dbMouseClick())
	               	{
                    Mmenu = false;
					Omenu = true;
              		}
	}
	if(Omenu==true)
	{
          dbSprite (19, 0,0, 20);
          dbSizeSprite( 19, (dbScreenWidth()),(dbScreenHeight()));
          dbSetSprite(19, 1, 0);
		  dbHideSprite(18);
		  dbShowSprite(19);
		  ////////////////////////////////////////////////////////////////////
        //back
		  	if(dbMouseX() > 0 && dbMouseX() < 200 && dbMouseY() >                                      300&&dbMouseY() <500&&dbMouseClick())
	               	{
                    Mmenu = true;
					Omenu = false;
              		}


 
	}


}



void makePlayer()
{
	dbMakeObjectSphere( 2,radius*2.0f );
	dbPositionObject( 2,dbObjectPositionX(1)-42,dbObjectPositionY(1)+300,dbObjectPositionZ(1)+5 );
	SC_SetupObject( 2,0,1 );
	dbLoadImage("Media//ball_texture.jpg",60);
	dbTextureObject ( 2, 60 ) ;

	//player has no group
}

void makeTarget()
{
dbMakeObjectCube(13,10);
dbPositionObject(13,dbObjectPositionX(1)-45,dbObjectPositionY(1)-120,dbObjectPositionZ(1)+200);
SC_SetupObject(13,1,2);
dbLoadImage("Media//earth.jpg",14);
dbTextureObject(13,14);
}
void handleExtraSpheres( )
{
		//move all the little spheres towards the player and slide them
		float oldx = dbObjectPositionX(13);
		float oldy = dbObjectPositionY(13);
		float oldz = dbObjectPositionZ(13);
		//dbPointObject( 13,dbObjectPositionX(2),dbObjectPositionY(2),dbObjectPositionZ(2) );
		//dbMoveObject( 13,0.5 );
		float x = dbObjectPositionX(13);
		float y = dbObjectPositionY(13);
		float z = dbObjectPositionZ(13);
		//little spheres collide with all (0)
		int collide = SC_SphereSlide( 0, oldx,oldy,oldz, x,y,z, littleRadius, 13 );

		if ( collide > 0 )
		{
			dbPositionObject( 13, SC_GetCollisionSlideX(),SC_GetCollisionSlideY(),SC_GetCollisionSlideZ() );
		}
		SC_UpdateObject( 13 );
		


	
	
	//show/hide the extra spheres
	
	
}

void level_complete(void)
{
		flyTimer++;
allow_move=false;
if (flyTimer >  30)
{
gravity=0.1f;
}
}
void movePlayer()
{
	//rotate player with mouse
	dbYRotateObject( 2,dbObjectAngleY(2) + dbMouseMoveX()/3.0f );
	dbXRotateObject( 2,dbObjectAngleX(2) + dbMouseMoveY()/3.0f );

	float oldx = dbObjectPositionX(2);
	float oldy = dbObjectPositionY(2);
	float oldz = dbObjectPositionZ(2);
	
	//apply gravity, and user changes to movement
	float angy = dbObjectAngleY(2);
	vx = 0;
	vz = 0;

	//if player is jumping or falling then apply 'normal' gravity
	//if not attempt to keep the player stuck to the floor
	if ( vy == 0 && jumptimer == 0 ) vy = vy + 10*gravity; 
	else vy = vy + gravity;

	if (allow_move==true)
	{
	if (dbKeyState(32) == 1 ) {dbScrollObjectTexture ( 2, -0.01, -0.01 ) ;	  //right
		vx = vx + dbCos(angy); vz = vz - dbSin(angy); }
	if (dbKeyState(30) == 1 ) {dbScrollObjectTexture ( 2, 0.01, 0.01 );      //left
		dbScrollObjectTexture ( 2, 0.01, 0 ) ;
		vx = vx - dbCos(angy); vz = vz + dbSin(angy); }
	if (dbKeyState(31) == 1 ) {dbScrollObjectTexture ( 2, 0, -0.01 );    // back
		vx = vx - dbSin(angy); vz = vz - dbCos(angy); }
	if (dbKeyState(17) == 1 ) {dbScrollObjectTexture ( 2, 0, 0.01 );     //forward
		vx = vx + dbSin(angy); vz = vz + dbCos(angy); }
	}
	//only jump if on ground, and a certain time after last jump
	if ( ground == 1 ) 
	{
		if ( dbSpaceKey() == 1 && jumptimer == 0 ) 
		{
			vy = vy + 3.0f;
			jumptimer = 20;
		}
	}
	
	//this would be the player's final position without collision
	float x = oldx + vx;
	float y = oldy + vy;
	float z = oldz + vz;
	
	int collide = SC_SphereCastGroup( 1, oldx,oldy,oldz, oldx,oldy+vy,oldz, radius,0 );
	
	if ( collide > 0 )
	{
		//how flat is this ground
		float ny = SC_GetCollisionNormalY();
		if ( dbAbs(ny) > slope )
		{
			//FLAT, stick
			oldy = SC_GetStaticCollisionY();
		}
		else
		{
			//STEEP, slide
			x = x - oldx; z = z - oldz;
			oldx = SC_GetCollisionSlideX();
			oldy = SC_GetCollisionSlideY();
			oldz = SC_GetCollisionSlideZ();
			x = x + oldx; z = z + oldz;
			
		}
		
		//ny#<0 means the player has hit a ceiling rather than a floor
		
		if ( ny > slope )
		{
			//only on ground if standing on flat ground
			ground = 1;
			vy = 0;
		}
		else 
		{
			ground = 0;
			//if player has hit a flat ceiling then stop vy# movement
			if ( ny < -slope ) vy = gravity;
		}
	}
	else
	{
		//nothing below player, not on ground, add vertical speed to player
		oldy = oldy + vy;
		ground = 0;
	}
	
	
	if ( ground == 1 && jumptimer > 0 ) jumptimer--;

	collide = SC_SphereSlideGroup( 1, oldx,oldy,oldz, x,oldy,z, radius,0 );
	
	if ( collide > 0 )
	{
		
		x = SC_GetCollisionSlideX();
		oldy = SC_GetCollisionSlideY();
		z = SC_GetCollisionSlideZ();
		vx = 0;
		vz = 0;
		
	
	}
	
	dbPositionObject( 2,x,oldy,z );
	
	SC_UpdateObject( 2 );
}

void positionCameraToObject( int obj, int thirdPerson)
{
	dbPositionCamera( dbObjectPositionX(2),dbObjectPositionY(2),dbObjectPositionZ(2) );
	dbRotateCamera( dbObjectAngleX(2),dbObjectAngleY(2),dbObjectAngleZ(2) );
	if ( thirdPerson == 1 )
	{
		dbPitchCameraDown( 10 );
		dbMoveCamera( -50 );
	}
}

void DarkGDK( )
{
	dbSyncOn( );
	dbSyncRate( 60 );
	//dbMakeLight(1);
	//dbPositionLight(1,dbObjectPositionX(1),dbObjectPositionY(1),dbObjectPositionZ(1));
dbSetAmbientLight(100);
	dbAutoCamOff( );
dbSetCameraRange			( 0.5f, 30000 );
	dbRandomize( dbTimer() );
dbLoadImage("Media//menu.jpg", 18);
dbLoadImage("Media//plane.jpg", 19);
dbLoadImage("Media//Omenu.jpg", 20);

	SC_Start( );
	
if (game==true)
{
	makeLevel();
	makePlayer();
	makeTarget();
}
	while( LoopGDK( ) )
	{
		if (game==false)
	{
menu();
	}
		if (game==true)
		{
		SC_UpdateObject( 1 );
		SC_UpdateObject( 2 );

		movePlayer();
		handleExtraSpheres( );
		positionCameraToObject( 2, view );
if (dbObjectCollision(2,13)==1)
	{
		level_complete();
}
		char str [ 128 ];
		sprintf_s( str, 128, "FPS: %d", dbScreenFPS( ) );		dbText( 0,80,str );
		sprintf_s( str, 128, "Touching Ground: %d", ground );	dbText( 0,100,str );
		sprintf_s( str, 128, "x position: %d",x_posi);dbText(0,120,str);
		}
		dbSync( );
	}
}
 

int x_posi=float(dbObjectPositionX(2)*dbObjectPositionX(2))/2;