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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"

int GetDist(int id)
{
	float totx = pow(dbCameraPositionX()-dbObjectPositionX(id),2);
	float totz = pow(dbCameraPositionZ()-dbObjectPositionZ(id),2);

	return sqrt(totx+totz);
}
void UpdateLod()
{

	
	bool fara;
	for(int id = 1; id < 17; id++)
	{
		float dist = GetDist(id);
		if(dist<150)
		{
			if(dist<75) fara = false;
			else fara = true;

			if(fara == true)
			{
				dbTextureObject(id,id+100);
			}
			if(fara == false)
			{
				dbTextureObject(id,id+200);
			}
		}
	}


	
}
// 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 );
	dbSetDir("media\\");
	dbLoadBitmap("test.bmp",50);
	
	int id = 1;
	bool fara = true;
	for(int y = 1; y< 5; y++)
	{
			int startx = 0;
			int starty = 0;
		for(int x = 1; x<5; x++)
		{
			//far
			dbMakeObjectCube(id,50);
			dbPositionObject(id,y*50,-20,-(x*50));
			dbSetObjectLight(id,0);
			dbCreateBitmap(id,8,8);
			dbCopyBitmap(50,1024*(y-1),1024*(x-1),1024*y,1024*x,id,0,0,8,8);
			dbSetCurrentBitmap(id);
			dbGetImage(100+id,0,0,8,8,0);
			//Close
			dbDeleteBitmap(id);
			dbCreateBitmap(id,1024,1024);
			dbCopyBitmap(50,1024*(y-1),1024*(x-1),1024*y,1024*x,id,0,0,1024,1024);
			dbSetCurrentBitmap(id);
			dbGetImage(200+id,0,0,1024,1024,0);

			if(GetDist(id)<75) fara = false;
			else fara = true;

			if(fara)
				dbTextureObject(id,100+id);

			if(!fara)
				dbTextureObject(id,200+id);

			
			id++;
			
			
		}

		
	}
	dbSetCurrentBitmap(0);

			
			
			
			
			
			
	

	
	// our main loop
	while ( LoopGDK ( ) )
	{
		dbControlCameraUsingArrowKeys(0,1,1);
		UpdateLod();
		// update the screen
		dbSync ( );
	}

	// return back to windows
	return;
}

void SaveMesh()
{
	dbSetupTerrain();
	dbMakeObjectTerrain(99);
	dbSetTerrainHeightMap(99,"terrain/l1.bmp");
	dbBuildTerrain(99);
	//dbMakeObjectFromLimb(102,99,1);
	dbConvertObjectFVF(102,2);
	dbMakeMeshFromObject(100,102);
	dbSaveMesh("test.x",100);
	
}

// 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 <iostream>

using namespace std;

int GetDist(int id)
{
	float totx = pow(dbCameraPositionX()-dbObjectPositionX(id),2);
	float totz = pow(dbCameraPositionZ()-dbObjectPositionZ(id),2);

	return sqrt(totx+totz);
}
void GetLodDat(int HeightID, int imgSize)
{
	// this function will create 16 low quality bitmaps and 16 high
	// use these bmps to create terrain and save the mesh to load in game
	dbLoadBitmap("map.bmp",HeightID);
	int id = 1;
	int low = imgSize/8;
	int high = imgSize/4;
	char file[20];
	
	for(int y = 1; y< 5; y++)
	{
			int startx = 0;
			int starty = 0;
		for(int x = 1; x<5; x++)
		{
			//far
			dbCreateBitmap((id-id)+1,low,low);
			dbCopyBitmap(HeightID,high*(y-1),high*(x-1),high*y,high*x,id,0,0,low,low);
			dbSetCurrentBitmap((id-id)+1);
			dbGetImage(100+id,0,0,low,low);
			sprintf(file,"terrain/l%i",id);
			strcat(file,".bmp");
			dbSaveImage(file,100+id);
			
			
			//Close
			dbDeleteBitmap((id-id)+1);
			dbCreateBitmap((id-id)+1,high,high);
			dbCopyBitmap(HeightID,high*(y-1),high*(x-1),high*y,high*x,(id-id)+1,0,0,high,high);
			dbSetCurrentBitmap((id-id)+1);
			dbGetImage(200+id,0,0,high,high);
			sprintf(file,"terrain/h%i",id);
			strcat(file,".bmp");
			dbSaveImage(file,200+id);
			
			file[0] = 0;
			id++;
		}
	}
	

	
}


void BuildTerrainLod()
{
	int id = 1;
	char file[40];
	
	for(int x= 1; x < 5; x++)
	{
		for(int y = 1; y< 5; y++)
		{
			sprintf(file,"terrain/h%i",id);
			strcat(file,".bmp");
			dbSetupTerrain();
			dbMakeObjectTerrain(id);
			dbSetTerrainHeightMap(id,file);
			dbSetTerrainLight     ( id, 0, -10, 0, 1, 1, 1, 0.5 );	// set the light
			dbSetTerrainTexture   ( id, 2200,2200 );
			dbSetTerrainScale(id,1,0.25,1);
			dbBuildTerrain(id);
			dbSetObjectTexture(id,1,0);
			//dbLoadObject(file,id);
			//dbSetObjectLight(id,0);
			//dbMakeObjectCube(id,50);
			dbPositionObject(id,(x*128)-64,0,(-y*128)-64);
			float dist = GetDist(id);
			if(dist>128) dbExcludeObjectOn(id);
			id++;
			file[0] = 0;
		}
	}
}
void UpdateLod()
{

	
	bool fara;
	for(int id = 1; id < 17; id++)
	{
		float dist = GetDist(id);
		if(dist<256)
		{
			dbExcludeObjectOff(id);
		}
		else dbExcludeObjectOn(id);
	}


	
}
// 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 );
	dbSetDir("media\\");
	dbSetDisplayMode(1600,900,32,1,4,0);
	//GetLodDat(50,512);
	//SaveMesh();
	
	//dbSetCurrentBitmap(0);

			
			
			
			
	
		dbLoadImage("grass.png",2200);
		BuildTerrainLod();
		dbPositionCamera(0,60,-75);
		

	
	// our main loop
	while ( LoopGDK ( ) )
	{
		dbPrint(dbGetTerrainXSize(1)*1.0);
		dbControlCameraUsingArrowKeys(0,1,1);
		UpdateLod();
		// update the screen
		dbSync ( );
	}

	// return back to windows
	return;
}