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// Dark GDK - The Game Creators - www.thegamecreators.com

// the wizard has created a very simple project that uses Dark GDK
// it contains the basic code for a GDK application

// whenever using Dark GDK you must ensure you include the header file
#include "DarkGDK.h"
#include "SC_Collision.h"

// the main entry point for the application is this function
void DarkGDK ( void )
{
	// turn on sync rate and set maximum rate to 60 fps
	dbSyncOn   ( );
	dbSyncRate ( 60 );
	dbMakeObjectSphere(1,20);
    dbMakeObjectCube(3,50);
	dbPositionObject(3,100,-10,100);
	dbMakeLight(4);
	dbPositionLight(4,0,60,0);
	SC_Start();
	SC_SetupObject(3,0,0);
	SC_SetupObject(1,0,0);
	float kolizija;
	float nx, nz, sx, sz;
	// our main loop
	while ( LoopGDK ( ) )
	{
		sx=dbObjectPositionX(1);
		sz=dbObjectPositionZ(1);
		if (dbLeftKey()==1) dbYRotateObject(1,dbObjectAngleY(1)-2);
		if (dbRightKey()==1) dbYRotateObject(1,dbObjectAngleY(1)+2);
		if (dbUpKey()==1) dbMoveObject(1,1);
		dbSetCameraToFollow(dbObjectPositionX(1),dbObjectPositionY(1),dbObjectPositionZ(1),dbObjectAngleY(1),40,20,10,0);
		SC_UpdateObject(1);
		nx=dbObjectPositionX(1);
		nz=dbObjectPositionY(1);
		kolizija=SC_SphereSlide(3,sx,0,sz,nx,0,nz,10,1);
		if (kolizija > 0){
			dbPositionObject(1, SC_GetCollisionSlideX(),SC_GetCollisionSlideY(),SC_GetCollisionSlideZ() );
		} else {
			dbPositionObject ( 1, nx, 0, nz);
		}

		dbSync ( );
	}

	// return back to windows
	return;
}

void MovePlayer ( int mtype )
{
	float oldx = dbObjectPositionX(ModelNumber);
	float oldy = dbObjectPositionY(ModelNumber) + radius*1.5;
	float oldz = dbObjectPositionZ(ModelNumber);
	float angy = dbObjectAngleY(ModelNumber);
	float angx = dbObjectAngleX(ModelNumber);
	vx = 0;
	vz = 0;
	vy = 0;
	if (Mode == 1)
	{
		if ( OnGround == false )
		{
			vy = vy + (gravity * 10);
		}
		if (mtype == 0 )
		{
			vx = 0;
			vz = 0;
		}
		if (mtype == 1 )
		{
			vx = vx - dbCos(angy)/7;
			vz = vz + dbSin(angy)/7;
		}
		if (mtype == 2 )
		{
			vx = vx + dbCos(angy)/7;
			vz = vz - dbSin(angy)/7;
		}
		if (mtype == 3 )
		{
			vx = vx + dbSin(angy)/7;
			vz = vz + dbCos(angy)/7;
		}
		if (mtype == 4 )
		{
			vx = vx - dbSin(angy)/7;
			vz = vz - dbCos(angy)/7;
		}
	}
	float x = oldx + vx;
	float y = oldy + vy;
	float z = oldz + vz;
int collide = SC_SphereCastGroup( 1, oldx, oldy, oldz, oldx, y, oldz, radius, 0 );

    if ( collide > 0 )
	{
		if (Mode == 1)
		{
			OnGround = true;
		}
			vy = 0;
	}
	else
	{
		if (Mode == 1)
		{
			OnGround = false;
		}
	}
	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;
		vy = 0;
	}
	dbPositionObject( ModelNumber, x, oldy + vy - radius*1.5, z );
	SC_UpdateObject( ModelNumber );
}

int Mode = 1;
float gravity = -0.008f;
float oldx,oldy,oldz,vx,vz,vy;
float radius = 0.10f;
bool OnGround = false;