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https://github.com/knightfox75/nds_nflib.git
synced 2025-06-19 01:05:34 -04:00

This removes dependency from the (frankly awful) libfilesystem, as well as libfat. fatInitDefault() or nitroFSInit() should be initialized outside of NFlib, if one requires it. Within NFLib, we will only check whether NitroFS is accessible, and fail otherwise. This allows a user to still use libfat, libfilesystem or any other NitroFS / FAT implementation, should one wish to use it, as long as the implementation of NitroFS mounts to `nitro:/`, or the storage medium is mounted to `sd:/` or `fat:/`. This is a breaking change: users will need to update their code to handle NitroFS and/or FAT inits on their own. This also removes unnecessary filesystem.h and fat.h includes from all other files.
173 lines
3.8 KiB
C
173 lines
3.8 KiB
C
// SPDX-License-Identifier: CC0-1.0
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//
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// SPDX-FileContributor: NightFox & Co., 2009-2011
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/*
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-------------------------------------------------
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NightFox's Lib Template
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Ejemplo de 3D Sprites
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Transparencias (Alpha Blending)
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Requiere DevkitARM
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Requiere NightFox's Lib
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Codigo por NightFox
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http://www.nightfoxandco.com
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Inicio 10 de Octubre del 2009
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-------------------------------------------------
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*/
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/*
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-------------------------------------------------
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Includes
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-------------------------------------------------
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*/
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// Includes C
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#include <stdio.h>
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#include <time.h>
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// Includes propietarios NDS
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#include <nds.h>
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#include <filesystem.h>
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// Includes librerias propias
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#include <nf_lib.h>
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#define MAXSPRITES 8
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/*
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-------------------------------------------------
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Main() - Bloque general del programa
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-------------------------------------------------
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*/
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int main(int argc, char **argv) {
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// Pantalla de espera inicializando NitroFS
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NF_Set2D(0, 0);
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NF_Set2D(1, 0);
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consoleDemoInit();
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printf("\n NitroFS init. Please wait.\n\n");
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printf(" Iniciando NitroFS,\n por favor, espere.\n\n");
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swiWaitForVBlank();
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// Define el ROOT e inicializa el sistema de archivos
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nitroFSInit(NULL);
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NF_SetRootFolder("NITROFS"); // Define la carpeta ROOT para usar NITROFS
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consoleClear();
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// Inicializa el motor 3D
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NF_Set3D(1, 0); // Modo 3D_0 en la pantalla superior
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// Inicializa los fondos tileados
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NF_InitTiledBgBuffers(); // Inicializa los buffers para almacenar fondos
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NF_InitTiledBgSys(0); // Inicializa los fondos Tileados para la pantalla superior
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// Inicializa los buffers de los Sprites
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NF_InitSpriteBuffers(); // Inicializa los buffers para almacenar sprites y paletas
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// Inicializa el sistema de Sprites en 3D y OpenGL
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NF_Init3dSpriteSys();
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// Carga los fondos tileados
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NF_LoadTiledBg("bg/nature", "bg3", 256, 256);
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// Carga los graficos de los Sprites
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NF_LoadSpriteGfx("sprite/blueball", 0, 64, 64);
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NF_LoadSpritePal("sprite/blueball", 0);
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// Manda los graficos y paletas a la VRAM
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NF_Vram3dSpriteGfx(0, 0, true);
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NF_Vram3dSpritePal(0, 0);
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// Crea los fondos en ambas pantallas
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NF_CreateTiledBg(0, 3, "bg3");
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// Habilita el ALPHA de los Sprites 3D sobre fondos 2D
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REG_BLDCNT = BLEND_ALPHA | BLEND_SRC_BG0 | (BLEND_DST_BG1 + BLEND_DST_BG2 + BLEND_DST_BG3);
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// Variables
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u16 n = 0;
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s16 x[MAXSPRITES];
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s16 y[MAXSPRITES];
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s16 ix = 4;
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s16 iy = 4;
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// Inicializa las variables
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for (n = 0; n < MAXSPRITES; n ++) {
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x[n] = (128 - 32);
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y[n] = (96 - 32);
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// Crea los Sprites 3D
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NF_Create3dSprite(n, 0, 0, x[n], y[n]);
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}
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// Y ordenalos en la cola segun su ID (El mas bajo tiene prioridad)
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NF_Sort3dSprites();
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// Variable para la lectura del teclado
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u16 held = 0;
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// Variables para la lectura del touchpad
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touchPosition touchscreen;
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// Bucle (repite para siempre)
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while(1) {
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// Lee el teclado
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scanKeys();
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held = keysHeld();
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// Lee el TOUCHPAD via Libnds
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touchRead(&touchscreen);
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// Mueve todos los Sprites
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for (n = (MAXSPRITES - 1); n > 0; n --) {
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// Calcula la estela del movimiento
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x[n] = x[(n - 1)];
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y[n] = y[(n - 1)];
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// Calcula el blending
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NF_Blend3dSprite(n, (n + 1), (31 - (n << 2)));
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// Mueve el sprite
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NF_Move3dSprite(n, x[n], y[n]);
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}
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// Mueve el Sprite principal
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if (held & KEY_TOUCH) {
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x[0] = (touchscreen.px - 32);
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y[0] = (touchscreen.py - 32);
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if (x[0] < 8) x[0] = 8;
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if (x[0] > 183) x[0] = 183;
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if (y[0] < 8) y[0] = 8;
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if (y[0] > 119) y[0] = 119;
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} else {
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x[0] += ix;
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if ((x[0] < 8) || (x[0] > 183)) ix = -ix;
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y[0] += iy;
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if ((y[0] < 8) || (y[0] > 119)) iy = -iy;
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}
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NF_Move3dSprite(0, x[0], y[0]);
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// Dibuja los 3D Sprites
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NF_Draw3dSprites();
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// Actualiza la escena 3D, si no lo haces, no se mostrara en pantalla
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glFlush(0);
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// Espera al sincronismo vertical
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swiWaitForVBlank();
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}
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return 0;
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}
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