void iconTitleInit (void) { // initialize video mode videoSetMode(MODE_4_2D); // initialize VRAM banks vramSetPrimaryBanks(VRAM_A_MAIN_BG, VRAM_B_MAIN_SPRITE, VRAM_C_LCD, VRAM_D_LCD); // initialize bg2 as a rotation background and bg3 as a bmp background // http://mtheall.com/vram.html#T2=3&RNT2=96&MB2=3&TB2=0&S2=2&T3=6&MB3=1&S3=1 bg2 = bgInit(2, BgType_Rotation, BgSize_R_512x512, 3, 0); bg3 = bgInit(3, BgType_Bmp16, BgSize_B16_256x256, 1, 0); // initialize rotate, scale, and scroll bgSetRotateScale(bg3, 0, 1<<8, 1<<8); bgSetScroll(bg3, 0, 0); bgSetRotateScale(bg2, 0, 8*(1<<8)/6, 1<<8); bgSetScroll(bg2, -TITLE_POS_X, -TITLE_POS_Y); // clear bg2's map: 512x512 pixels is 64x64 tiles is 4KB dmaFillHalfWords(0, bgGetMapPtr(bg2), 4096); // load compressed font into bg2's tile data decompress(font6x8Tiles, bgGetGfxPtr(bg2), LZ77Vram); // load compressed bitmap into bg3 decompress(hbmenu_bannerBitmap, bgGetGfxPtr(bg3), LZ77Vram); // load font palette dmaCopy(font6x8Pal, BG_PALETTE, font6x8PalLen); // apply the bg changes bgUpdate(); // initialize OAM oamInit(&oamMain, SpriteMapping_1D_128, false); sprite = oamAllocateGfx(&oamMain, SpriteSize_32x32, SpriteColorFormat_16Color); dmaFillHalfWords(0, sprite, sizeof(banner.icon)); oamSet(&oamMain, 0, ICON_POS_X, ICON_POS_Y, 0, 0, SpriteSize_32x32, SpriteColorFormat_16Color, sprite, -1, 0, 0, 0, 0, 0); // oam can only be updated during vblank swiWaitForVBlank(); oamUpdate(&oamMain); // everything's ready :) writeRow (0,"...initializing..."); writeRow (1,"===>>> HBMenu+ <<<==="); writeRow (2,"(this text should disappear..."); writeRow (3,"...otherwise, trouble!)"); }
static int NDS_CreateWindowFramebuffer(_THIS, SDL_Window *window, Uint32 *format, void **pixels, int *pitch) { struct NDS_WindowData *wdata; int bpp; Uint32 Rmask, Gmask, Bmask, Amask; const SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window); const SDL_DisplayMode *mode = display->driverdata; const Uint32 fmt = mode->format; if (fmt != SDL_PIXELFORMAT_ABGR1555) { SDL_SetError("Unsupported pixel format (%x)", fmt); return -1; } if (!SDL_PixelFormatEnumToMasks (fmt, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) { SDL_SetError("Unknown texture format"); return -1; } wdata = SDL_calloc(1, sizeof(struct NDS_WindowData)); if (!wdata) { SDL_OutOfMemory(); return -1; } if (bpp == 8) { wdata->pixels_length = (SCREEN_HEIGHT+SCREEN_GAP+SCREEN_HEIGHT)*SCREEN_WIDTH; } else { wdata->pixels_length = (SCREEN_HEIGHT+SCREEN_GAP+SCREEN_HEIGHT)*SCREEN_WIDTH*2; } wdata->pixels = SDL_calloc(1, wdata->pixels_length); if (!wdata->pixels) { SDL_free(wdata); SDL_SetError("Not enough memory"); return -1; } if (bpp == 8) { wdata->main.bg_id = bgInit(2, BgType_Bmp8, BgSize_B8_256x256, 0, 0); wdata->sub.bg_id = bgInitSub(3, BgType_Bmp8, BgSize_B8_256x256, 0, 0); wdata->main.length = SCREEN_HEIGHT*SCREEN_WIDTH; wdata->main.pixels = wdata->pixels; wdata->sub.length = SCREEN_HEIGHT*SCREEN_WIDTH; wdata->sub.pixels = (u8 *)wdata->pixels + wdata->main.length; /* or ...+SCREEN_GAP */ } else { wdata->main.bg_id = bgInit(2, BgType_Bmp16, BgSize_B16_256x256, 0, 0); wdata->sub.bg_id = bgInitSub(3, BgType_Bmp16, BgSize_B16_256x256, 0, 0); wdata->main.length = SCREEN_HEIGHT*SCREEN_WIDTH*2; wdata->main.pixels = wdata->pixels; wdata->sub.length = SCREEN_HEIGHT*SCREEN_WIDTH*2; wdata->sub.pixels = (u8 *)wdata->pixels + wdata->main.length; /* or ...+SCREEN_GAP */ } wdata->pitch = (window->w) * ((bpp+1) / 8); wdata->bpp = bpp; wdata->rotate = 0; wdata->scale.x = 0x100; wdata->scale.y = 0x100; wdata->scroll.x = 0; wdata->scroll.y = 0; wdata->main.vram_pixels = bgGetGfxPtr(wdata->main.bg_id); wdata->sub.vram_pixels = bgGetGfxPtr(wdata->sub.bg_id); #if 0 bgSetCenter(wdata->main.bg_id, 0, 0); bgSetRotateScale(wdata->main.bg_id, wdata->rotate, wdata->scale.x, wdata->scale.y); bgSetScroll(wdata->main.bg_id, wdata->scroll.x, wdata->scroll.y); #endif #if 0 bgSetCenter(wdata->sub.bg_id, 0, 0); bgSetRotateScale(wdata->sub.bg_id, wdata->rotate, wdata->scale.x, wdata->scale.y); bgSetScroll(wdata->sub.bg_id, wdata->scroll.x, wdata->scroll.y); #endif bgUpdate(); *format = fmt; *pixels = wdata->pixels; *pitch = wdata->pitch; window->driverdata = wdata; return 0; }
//--------------------------------------------------------------------------------- int main(void) { //--------------------------------------------------------------------------------- const int tile_base = 0; const int map_base = 20; videoSetMode(0); videoSetModeSub(MODE_5_2D); vramSetBankC(VRAM_C_SUB_BG); PrintConsole *console = consoleInit(0, 3, BgType_ExRotation, BgSize_ER_256x256, map_base, tile_base, false, false); ConsoleFont font; font.gfx = (u16*)fontTiles; font.pal = (u16*)fontPal; font.numChars = 95; font.numColors = fontPalLen / 2; font.bpp = 8; font.asciiOffset = 32; font.convertSingleColor = false; consoleSetFont(console, &font); int bg3 = console->bgId; iprintf("Custom Font Demo\n"); iprintf(" by Poffy\n"); iprintf("modified by WinterMute and dovoto\n"); iprintf("for libnds examples\n"); unsigned int angle = 0; int scrollX = 0; int scrollY = 0; int scaleX = intToFixed(1,8); int scaleY = intToFixed(1,8); while(1) { scanKeys(); u32 keys = keysHeld(); if ( keys & KEY_L ) angle+=64; if ( keys & KEY_R ) angle-=64; if ( keys & KEY_LEFT ) scrollX++; if ( keys & KEY_RIGHT ) scrollX--; if ( keys & KEY_UP ) scrollY++; if ( keys & KEY_DOWN ) scrollY--; if ( keys & KEY_A ) scaleX++; if ( keys & KEY_B ) scaleX--; if( keys & KEY_X ) scaleY++; if( keys & KEY_Y ) scaleY--; swiWaitForVBlank(); bgSetRotateScale(bg3, angle, scaleX, scaleY); bgSetScroll(bg3, scrollX, scrollY); bgUpdate(); } }
static int NDS_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture) { NDS_RenderData *data = (NDS_RenderData *) renderer->driverdata; NDS_TextureData *txdat = NULL; int i; int bpp; Uint32 Rmask, Gmask, Bmask, Amask; if (!SDL_PixelFormatEnumToMasks (texture->format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) { SDL_SetError("Unknown texture format"); return -1; } /* conditional statements on w/h to place it as bg/sprite depending on which one it fits. */ if (texture->w <= 64 && texture->h <= 64) { int whichspr = -1; printf("NDS_CreateTexture: Tried to make a sprite.\n"); txdat->type = NDSTX_SPR; #if 0 for (i = 0; i < SPRITE_COUNT; ++i) { if (data->oam_copy.spriteBuffer[i].attribute[0] & ATTR0_DISABLED) { whichspr = i; break; } } if (whichspr >= 0) { SpriteEntry *sprent = &(data->oam_copy.spriteBuffer[whichspr]); int maxside = texture->w > texture->h ? texture->w : texture->h; int pitch; texture->driverdata = SDL_calloc(1, sizeof(NDS_TextureData)); txdat = (NDS_TextureData *) texture->driverdata; if (!txdat) { SDL_OutOfMemory(); return -1; } sprent->objMode = OBJMODE_BITMAP; sprent->posX = 0; sprent->posY = 0; sprent->colMode = OBJCOLOR_16; /* OBJCOLOR_256 for INDEX8 */ /* the first 32 sprites get transformation matrices. first come, first served */ if (whichspr < MATRIX_COUNT) { sprent->isRotoscale = 1; sprent->rsMatrixIdx = whichspr; } /* containing shape (square or 2:1 rectangles) */ sprent->objShape = OBJSHAPE_SQUARE; if (texture->w / 2 >= texture->h) { sprent->objShape = OBJSHAPE_WIDE; } else if (texture->h / 2 >= texture->w) { sprent->objShape = OBJSHAPE_TALL; } /* size in pixels */ /* FIXME: "pitch" is hardcoded for 2bytes per pixel. */ sprent->objSize = OBJSIZE_64; pitch = 128; if (maxside <= 8) { sprent->objSize = OBJSIZE_8; pitch = 16; } else if (maxside <= 16) { sprent->objSize = OBJSIZE_16; pitch = 32; } else if (maxside <= 32) { sprent->objSize = OBJSIZE_32; pitch = 64; } /* FIXME: this is hard-coded and will obviously only work for one sprite-texture. tells it to look at the beginning of SPRITE_GFX for its pixels. */ sprent->tileIdx = 0; /* now for the texture data */ txdat->type = NDSTX_SPR; txdat->hw_index = whichspr; txdat->dim.hdx = 0x100; txdat->dim.hdy = 0; txdat->dim.vdx = 0; txdat->dim.vdy = 0x100; txdat->dim.pitch = pitch; txdat->dim.bpp = bpp; txdat->vram_pixels = (u16 *) (data->sub ? SPRITE_GFX_SUB : SPRITE_GFX); /* FIXME: use tileIdx*boundary to point to proper location */ } else { SDL_SetError("Out of NDS sprites."); } #endif } else if (texture->w <= 256 && texture->h <= 256) { int whichbg = -1, base = 0; if (!data->bg_taken[2]) { whichbg = 2; } else if (!data->bg_taken[3]) { whichbg = 3; base = 4; } if (whichbg >= 0) { texture->driverdata = SDL_calloc(1, sizeof(NDS_TextureData)); txdat = (NDS_TextureData *) texture->driverdata; if (!txdat) { SDL_OutOfMemory(); return -1; } // hard-coded for 256x256 for now... // TODO: a series of if-elseif-else's to find the closest but larger size. if (!data->sub) { if (bpp == 8) { txdat->hw_index = bgInit(whichbg, BgType_Bmp8, BgSize_B8_256x256, 0, 0); } else { txdat->hw_index = bgInit(whichbg, BgType_Bmp16, BgSize_B16_256x256, 0, 0); } } else { if (bpp == 8) { txdat->hw_index = bgInitSub(whichbg, BgType_Bmp8, BgSize_B8_256x256, 0, 0); } else { txdat->hw_index = bgInitSub(whichbg, BgType_Bmp16, BgSize_B16_256x256, 0, 0); } } /* useful functions bgGetGfxPtr(bg3); bgSetCenter(bg3, rcX, rcY); bgSetRotateScale(bg3, angle, scaleX, scaleY); bgSetScroll(bg3, scrollX, scrollY); bgUpdate(bg3); */ txdat->type = NDSTX_BG; txdat->pitch = (texture->w) * (bpp / 8); txdat->bpp = bpp; txdat->rotate = 0; txdat->scale.x = 0x100; txdat->scale.y = 0x100; txdat->scroll.x = 0; txdat->scroll.y = 0; txdat->vram_pixels = (u16 *) bgGetGfxPtr(txdat->hw_index); bgSetCenter(txdat->hw_index, 0, 0); bgSetRotateScale(txdat->hw_index, txdat->rotate, txdat->scale.x, txdat->scale.y); bgSetScroll(txdat->hw_index, txdat->scroll.x, txdat->scroll.y); bgUpdate(txdat->hw_index); data->bg_taken[whichbg] = 1; /*txdat->size = txdat->dim.pitch * texture->h; */ } else { SDL_SetError("Out of NDS backgrounds."); } } else { SDL_SetError("Texture too big for NDS hardware."); } if (!texture->driverdata) { return -1; } return 0; }