#108977 - smoggie83 - Mon Nov 13, 2006 7:00 pm
Hi
I am a newbie to ds development and have been trying to display a sprite above a bgd. What is necessary in the code below to do this as i cant find any tutorials. I basically want my graphic backArrow displayed above the menu graphic.
Cheers
Dave
I am a newbie to ds development and have been trying to display a sprite above a bgd. What is necessary in the code below to do this as i cant find any tutorials. I basically want my graphic backArrow displayed above the menu graphic.
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#include <nds.h> #include <nds/arm9/math.h> #include <nds/arm9/console.h> #include <nds/arm9/trig_lut.h> #include <stdio.h> //make file automaticaly makes a header file for access //to the binary data in any file ending in .bin that is in //the data folder. It also links in that data to your project SpriteEntry OAMCopy[128]; #include "drunkenlogo_bin.h" #include "palette_bin.h" #include "backArrow_bin.h" #include "backArrowpalette_bin.h" #include "gameBoard_bin.h" #include "gameBoardPalette_bin.h" #include "menuTopScreen_bin.h" #include "menuTopScreenPalette_bin.h" #include "options_bin.h" #include "optionsPalette_bin.h" #include "diceRoll_bin.h" #include "diceRollPalette_bin.h" #include "players_bin.h" #include "playersPalette_bin.h" enum { CONTINUOUS, SINGLE } TouchType = SINGLE; enum { MAINMENU, OPTIONS, HOWTO, GAME } GameState = MAINMENU; volatile int frame = 0; //---------------------------------------------------------------------------------- typedef struct selectionBoundaries{ //---------------------------------------------------------------------------------- int minX,minY,maxX,maxY; } tSelectionBoundaries; //--------------------------------------------------------------------------------- void Vblank() { //--------------------------------------------------------------------------------- frame++; } void initVideo() { //enable vram and map it to the right places vramSetMainBanks( VRAM_A_MAIN_BG_0x6000000, //map A and B to main background memory VRAM_B_MAIN_BG_0x6020000, VRAM_C_SUB_BG_0x6200000, //map C to sub background memory VRAM_D_LCD //map D to LCD free space //allows adjacent banks to overflow into D if a bug like that was ever to occur ); //map a bank for use with sprites vramSetBankE(VRAM_E_MAIN_SPRITE); //mapping E to main sprites gives us 64k for sprites //(64k is the max space that 1024 tiles take up in 256 color mode) vramSetBankE(VRAM_D_SUB_SPRITE); //set the video mode videoSetMode( MODE_5_2D | DISPLAY_SPR_ACTIVE | DISPLAY_BG0_ACTIVE | DISPLAY_BG3_ACTIVE | //turn on background 3 DISPLAY_SPR_1D ); videoSetModeSub(MODE_5_2D | DISPLAY_BG3_ACTIVE | DISPLAY_SPR_1D ); } void initBackgrounds() { //setup exrot bg 3 on main as a 16bit color background BG3_CR = BG_BMP8_256x256 | BG_BMP_BASE(8) | BG_PRIORITY(1); //attributes of the affine translation matrix BG3_XDX = 1 << 8; //scale x BG3_XDY = 0; //rotation x BG3_YDX = 0; //rotation y BG3_YDY = 1 << 8; //scale y BG3_CX = 0; //translation x BG3_CY = 0; //translation y BG0_CR = BG_MAP_BASE(31) | BG_PRIORITY(0); //use bg0 for the text //setup exrot bg 3 on sub SUB_BG3_CR = BG_BMP8_256x256 | BG_BMP_BASE(0) | BG_PRIORITY(0) ; //attributes of the affine translation matrix SUB_BG3_XDX = 1 << 8; //scale x SUB_BG3_XDY = 0; //rotation x SUB_BG3_YDX = 0; //scale y SUB_BG3_YDY = 1 << 8; //scale y SUB_BG3_CX = 0; //translation x SUB_BG3_CY = 0; //translation y } void showMainMenu(void){ //Top Screen dmaCopy(menuTopScreen_bin, (uint16 *)BG_BMP_RAM_SUB(0), 256*192); dmaCopy(menuTopScreenPalette_bin, BG_PALETTE_SUB, 256*2); //Lower Screen Menu dmaCopy(drunkenlogo_bin, (void*)BG_BMP_RAM(8), 256*192); dmaCopy(palette_bin, BG_PALETTE, 256*2); } void showOptionsMenu(void){ dmaCopy(options_bin, (void*)BG_BMP_RAM(8), 256*192); dmaCopy(optionsPalette_bin, BG_PALETTE, 256*2); } bool touchPosBetween(int posMinX,int posMaxX,int posMinY, int posMaxY, touchPosition touch){ if ( touch.px > posMinX && touch.px < posMaxX){ if ( touch.py > posMinY && touch.py < posMaxY){ return true; } } return false; } void checkSelectedOptionsMainMenu(touchPosition touch){ tSelectionBoundaries option1Bounds; tSelectionBoundaries option2Bounds; tSelectionBoundaries option3Bounds; option1Bounds.minX = 32; option1Bounds.maxX = 232; option1Bounds.minY = 80; option1Bounds.maxY = 110; option2Bounds.minX = 32; option2Bounds.maxX = 232; option2Bounds.minY = 117; option2Bounds.maxY = 147; option3Bounds.minX = 32; option3Bounds.maxX = 232; option3Bounds.minY = 156; option3Bounds.maxY = 186; if ( touchPosBetween(option1Bounds.minX,option1Bounds.maxX,option1Bounds.minY,option1Bounds.maxY,touch) ) { GameState = GAME; }else if ( touchPosBetween(option2Bounds.minX,option2Bounds.maxX,option2Bounds.minY,option2Bounds.maxY,touch) ) { GameState = HOWTO; }else if ( touchPosBetween(option3Bounds.minX,option3Bounds.maxX,option3Bounds.minY,option3Bounds.maxY,touch) ) { GameState = OPTIONS; showOptionsMenu(); } } int main(void) { //--------------------------------------------------------------------------------- int min_x = 4096 , min_y = 4096, max_x = 0, max_y = 0; int min_px = 4096 , min_py = 4096, max_px = 0 , max_py = 0; touchPosition touch; powerON(POWER_ALL); //initialise the interrupt system irqInit(); //install our simple vblank handler irqSet(IRQ_VBLANK, Vblank); //enable the interrupt irqEnable(IRQ_VBLANK); //set the mode for 2 text layers and two extended background layers initVideo(); ///////////////set up our bitmap background/////////////////////// initBackgrounds(); //consoleInit() is a lot more flexible but this gets you up and running quick consoleInitDefault((u16*)SCREEN_BASE_BLOCK(31), (u16*)CHAR_BASE_BLOCK(0), 16); BG_PALETTE[255] = RGB15(31,31,31);//by default font rendered with color 255 showMainMenu(); lcdMainOnBottom(); while(1) { swiWaitForVBlank(); // read the button states scanKeys(); // read the touchscreen coordinates touch=touchReadXY(); int pressed = keysDown(); // buttons pressed this loop int held = keysHeld(); // buttons currently held // Right Shoulder button toggles the mode if ( pressed & KEY_R) TouchType ^= SINGLE; iprintf("\x1b[14;4HTouch mode: %s",TouchType==CONTINUOUS?"CONTINUOUS ":"SINGLE SHOT"); if ( TouchType == SINGLE && !(pressed & KEY_TOUCH) ) continue; if ( !(held & KEY_TOUCH) || touch.x == 0 || touch.y == 0) continue; iprintf("\x1b[10;10H(%d,%d) ",touch.px,touch.py); if ( touch.x > max_x) max_x = touch.x; if ( touch.y > max_y) max_y = touch.y; if ( touch.px > max_px) max_px = touch.px; if ( touch.py > max_py) max_py = touch.py; if ( touch.x < min_x) min_x = touch.x; if ( touch.y < min_y) min_y = touch.y; if ( touch.px < min_px) min_px = touch.px; if ( touch.py < min_py) min_py = touch.py; if (GameState == MAINMENU){ checkSelectedOptionsMainMenu(touch); } iprintf("\x1b[9;10HGameState %d\n", GameState); OAMCopy[0].attribute[2] = 0; OAMCopy[0].attribute[1] = ATTR1_SIZE_32 |((touch.px - 16) & 0x01FF); OAMCopy[0].attribute[0] = ATTR0_COLOR_256 | ATTR0_SQUARE | ((touch.py -16) & 0x00FF); } return 0; } |
Cheers
Dave