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

// include the Dark GDK header
#include "DarkGDK.h"


//Objekt-IDs
const char ID_Sphere = 5;

void DarkGDK ( void )
{
	// entry point for the application

	// switch on sync rate and set to a maximum of 60 fps
	dbSyncOn ( );
	dbSyncRate ( 60 );


//unser Testbereich

    koord_init();

	// make a sphere
    dbMakeObjectSphere ( ID_Sphere, 100 ); 

	// position the object in a random location
	dbPositionObject ( ID_Sphere, 500, 500, 500 );

	// adjust scaling
	dbScaleObject ( ID_Sphere, 100 , 100, 100 );

	// give the object a color
	dbColorObject ( ID_Sphere, dbRgb ( 255 , 0 , 0 ) );//red

	// increase specular power
	dbSetObjectSpecularPower ( ID_Sphere, 255 );

	// turn off ambient lighting for this object
	dbSetObjectAmbient ( ID_Sphere, 0 );


//Ende Testbereich


	// we are going to use a skybox in this demo and it will
	// be scaled up to quite a large size, this will initially
	// result in it being outside of the cameras default range
	// therefore it will not be drawn, to adjust this we simply
	// increase the cameras range
	//dbSetCameraRange ( 1.0f, 30000.0f );

	// two textures are going to be used for the terrain, the first
	// will be the diffuse part and the second will be used to
	// create extra detail on the terrain
	dbLoadImage ( "texture.png", 1 );
	dbLoadImage ( "detail.jpg",  2 );
	
	// the first step in creating a terrain is to call the
	// function dbSetupTerrain, this will perform some internal
	// work that allows us to get started
	dbSetupTerrain ( );

	// now we can get started on making the terrain object
	dbMakeObjectTerrain ( 1 );


	// here we pass in a heightmap that will be used to create the terrain
	dbSetTerrainHeightMap ( 1, "map.png" );

	// now we set the scale, this will have the effect of making
	// the terrain large on the X and Z axis but quite small on the Y
	dbSetTerrainScale ( 1, 3.0f, 3.0f, 2.0f );

	// adjust the lighting for the terrain, this function takes the ID
	// number, then a direction for the light, then 3 colours for the light
	// and finally the scale, by using this function we can adjust the
	// overall colour of the terrain
	dbSetTerrainLight ( 1, 1.0f, -0.25f, 0.0f, 1.0f, 1.0f, 0.78f, 0.5f );

	// in this call we're telling the terrain that its diffuse texture
	// will come from image 1 and its detail texture will come from
	// image 2
	dbSetTerrainTexture ( 1, 1, 2 );

	// once we have set all properties of the terrain we can build it,
	// at this point it gets created and added into your world
	dbBuildTerrain ( 1 );

    dbPositionObject(1,0,0,0);

	// position the camera
	dbPositionCamera ( 385, 23, 100 );

	
	// camera variables
	float fCameraAngleX = 0.0f;
	float fCameraAngleY = 0.0f;
    float fCameraHeight = 0.0f;

	

	// now onto our main loop
	while ( LoopGDK ( ) )
	{

		// let the user move the camera around with the arrow keys
		dbControlCameraUsingArrowKeys ( 0, 2.0f, 2.0f );
        
		if(dbSpaceKey()) //wenn wir die Spacebar drücken, dann erhöhen wir die Höhe
        {
           fCameraHeight++;
		   //Y ist die Höhe :-(
           dbPositionCamera ( dbCameraPositionX ( ), fCameraHeight, dbCameraPositionZ ( ) );
        }
        fCameraHeight=dbCameraPositionY();//damit diese Var aktuell bleibt, auch wenn wir nicht Space drücken


        //Neben der Maussteuerung der Rotation fragen wir hierzu auch die beiden Rechts/Links Cursortasten ab
		if(dbRightKey () )
	    {
		  fCameraAngleY++;
		}
		if(dbLeftKey () )
	    {
		  fCameraAngleY--;
		}

		//Beide nachfolgende Punkte sind für die Maussteuerung da

		//1. create a rotation axis based on mouse movement
		fCameraAngleX = dbWrapValue ( fCameraAngleX + dbMouseMoveY ( ) * 0.4f );
		fCameraAngleY = dbWrapValue ( fCameraAngleY + dbMouseMoveX ( ) * 0.4f );

		//2. rotate camera
		dbXRotateCamera ( fCameraAngleX );
		dbYRotateCamera ( fCameraAngleY );
         

		// find the ground height of the terrain
		//float fHeight = dbGetTerrainGroundHeight ( 1, dbCameraPositionX ( ), dbCameraPositionZ ( ) );

		// reposition the camera so it is directly above the ground
		//dbPositionCamera ( dbCameraPositionX ( ), fHeight + 10.0f, dbCameraPositionZ ( ) );

		// update the terrain
		dbUpdateTerrain ( );

		// update the screen
		dbSync ( );
	}
}