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/*---------------------------------------------------------------------------------
Based upon https://github.com/devkitPro/nds-examples/tree/master/Graphics/Effects/windows
A very simple window demo which displays a square window
---------------------------------------------------------------------------------*/
#include <nds.h>
#include "drunkenlogo.h"
//---------------------------------------------------------------------------------
int main(void) {
//---------------------------------------------------------------------------------
videoSetMode(MODE_5_2D);
vramSetBankA(VRAM_A_MAIN_BG);
//enable a background
int bg3 = bgInit(3, BgType_Bmp8, BgSize_B8_256x256, 0,0);
bgMosaicEnable(3);
bgSetMosaic(15, 1);
//use the standard drunken logo
dmaCopy(drunkenlogoBitmap, bgGetGfxPtr(bg3), drunkenlogoBitmapLen);
dmaCopy(drunkenlogoPal, BG_PALETTE, drunkenlogoPalLen);
//enable window 0
windowEnable(WINDOW_0);
//enable window 0 on our new background
bgWindowEnable(bg3, WINDOW_0);
int x = 60;
int y = 60;
int size = 100;
while(1)
{
scanKeys();
//the code below just moves the window around
if(keysHeld() & KEY_UP) y--;
if(keysHeld() & KEY_DOWN) y++;
if(keysHeld() & KEY_LEFT) x--;
if(keysHeld() & KEY_RIGHT) x++;
if(keysHeld() & KEY_A) size--;
if(keysHeld() & KEY_B) size++;
if(keysHeld() & KEY_X)
{
bgWindowDisable(bg3, WINDOW_OUT);
bgWindowEnable(bg3, WINDOW_0);
}
if(keysHeld() & KEY_Y)
{
bgWindowDisable(bg3, WINDOW_0);
bgWindowEnable(bg3, WINDOW_OUT);
}
if(x < 0) x = 0;
if(x > SCREEN_WIDTH - 1) x = SCREEN_WIDTH - 1;
if(y < 0) y = 0;
if(y > SCREEN_HEIGHT - 1) y = SCREEN_HEIGHT - 1;
swiWaitForVBlank();
//set up the boundaries on our window
windowSetBounds(WINDOW_0, x, y, x + size, y + size);
}
}
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