make

#include <nds.h>
#include <stdio.h>
#include <nds/input.h>

//-----------------sprites and bg----------------
#include "Mrhop.h"
#include "Grass_Type.h"
#include "carrot.h"

//--------------------------------------------------
int checkCollision();
int Carrot_X = 45;
int Carrot_Y = 45;
int Carrot_W = 16;
int Carrot_H = 16;
int Bunny_X = 0;
int Bunny_Y = 0;
int Bunny_W = 32;
int Bunny_H = 32;
int processEvents();
int HideBunny(void);
int keyPressed();
int screenTouched();
int moveBunny(touchPosition * touch);
int readInput(touchPosition * touch);


bool checkBunnyCarrotCol()
{
	bool hit = false;
	if (Bunny_X <= Carrot_X + Carrot_W)
	{
		
		if (Bunny_X + Bunny_W >= Carrot_X)
		{
			if (Bunny_Y <= Carrot_Y + Carrot_H)
			{
				
				if (Bunny_Y + Bunny_H >= Carrot_Y)
				{
					
					hit = true;
					
				}
				
			}
			
		}
		
	}
	return(hit);
	
}

bool checkCollision(touchPosition * touch)
{
	
	bool hit = false;
	hit = checkBunnyCarrotCol();
	return(hit);
}



int HideBunny(void)
{

	oamClearSprite(&oamSub,0);
	return 0;
}

int HideCarrot(void)
{

	oamClearSprite(&oamSub,1);
	return 0;
}




int moveBunny(touchPosition * touch)
{
	//--------------------------------bunny sprite------------------------------
	oamSet(&oamSub, 0,Bunny_X,Bunny_Y, 0, 0, SpriteSize_32x32, SpriteColorFormat_16Color, Bunny, -1, false, false, false, false, false);
	
}



int moveCarrot(touchPosition * touch)
{
	//--------------------------------Carrot sprite------------------------------
	oamSet(&oamSub, 1,Carrot_X,Carrot_Y, 0, 0, SpriteSize_16x16, SpriteColorFormat_16Color, Carrot, 0, false, false, false, false, false);
	
}





int screenTouched()
{


	
	touchPosition touch;
	readInput(&touch);
	
	Bunny_X = touch.px;
	Bunny_Y = touch.py;
	if (checkCollision(&touch) == true)
	{
		
		HideBunny();
		
	}
	else
	{
		
		moveBunny(&touch);
		
	}
	
	
	moveCarrot(&touch);
	

	swiWaitForVBlank();
	oamUpdate(&oamSub);
	
	return 0;

}


int keyPressed()
{
	
	touchPosition touch;
	readInput(&touch);

	if(keysHeld() & KEY_Y)
	{
		
		HideBunny();
		
	}
	
	if(keysHeld() & KEY_DOWN)
	{
		
		Bunny_Y += 2;
		if (checkCollision(&touch) == true)
		{
			
			HideBunny();
			
		}
		else
		{
			
			moveBunny(&touch);
			
		}
	}
	
	if(keysHeld() & KEY_UP)
	{
		
		Bunny_Y -= 2;
		if (checkCollision(&touch) == true)
		{
			
			HideBunny();
			
		}
		else
		{
			
			moveBunny(&touch);
			
		}
		
	}
	
	if(keysHeld() & KEY_LEFT)
	{
		
		Bunny_X -= 2;
		
		if (checkCollision(&touch) == true)
		{
			
			HideBunny();
			
		}
		else
		{
			
			moveBunny(&touch);
			
		}
		
	}
	
	if(keysHeld() & KEY_RIGHT)
	{
		
		Bunny_X += 2;
		
		if (checkCollision(&touch) == true)
		{
			
			HideBunny();
			
		}
		else
		{
			
			moveBunny(&touch);
			
		}
		
	}
	
	moveCarrot(&touch);
	
	
	swiWaitForVBlank();
	oamUpdate(&oamSub);

	return 0;

}







int readInput(touchPosition * touch) 
{

	scanKeys();
	touchRead(touch);

}


int startup()
{

	videoSetModeSub(MODE_5_2D);
	vramSetBankC(VRAM_C_SUB_BG);
	
	touchPosition touch;
	//----------------------------------set the Vram for sprites
	vramSetBankD(VRAM_D_SUB_SPRITE);
	
	//--------------------------------bunny sprite prep.
	oamInit(&oamSub, SpriteMapping_1D_128, false);
	consoleInit(NULL, 0, BgType_Text4bpp, BgSize_T_256x256, 22, 3, false, true);
	u16* Bunny = oamAllocateGfx(&oamSub, SpriteSize_32x32, SpriteColorFormat_16Color);
	dmaCopy(MrhopTiles, Bunny, MrhopTilesLen);
	dmaCopy(MrhopPal, SPRITE_PALETTE_SUB, MrhopPalLen);
	
	
	
	
	//--------------------------------carrot sprite prep.
	oamInit(&oamSub, SpriteMapping_1D_128, false);
	consoleInit(NULL, 1, BgType_Text4bpp, BgSize_T_256x256, 22, 3, false, true);
	u16* Carrot = oamAllocateGfx(&oamSub, SpriteSize_16x16, SpriteColorFormat_16Color);
	dmaCopy(carrotTiles, Carrot, carrotTilesLen);
	dmaCopy(carrotPal, SPRITE_PALETTE_SUB, carrotPalLen);
	
	
	
	int bg3 = bgInitSub(3, BgType_Bmp8, BgSize_B8_256x256, 4,0);

	dmaCopy(Grass_TypeBitmap, bgGetGfxPtr(bg3), 256*256);
	dmaCopy(Grass_TypePal, BG_PALETTE_SUB, 256*2);
	BG_PALETTE_SUB[255]=RGB15(31,31,31);
	
	processEvents();
	

}



int processEvents()
{

	touchPosition touch;
	
	iprintf("welcome to test1\n ");
	iprintf("Touch the screen\n ");
	iprintf("press Y to hide the bunny\n ");

	while(1)
	{
		
        readInput(&touch);
		
		keyPressed();
		
		if(keysHeld() & KEY_TOUCH)
		{
			
			screenTouched();
			
		}
		
		swiWaitForVBlank();
		oamUpdate(&oamSub);
	}

	return 0;


}




int main(void)
{
	startup();
}