169 lines
4.1 KiB
C++
169 lines
4.1 KiB
C++
/*
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Flappy Bird for 3DS
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Created by breadone on 2023-03-05
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*/
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#include <citro2d.h>
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#include <stdlib.h>
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#include <limits.h>
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#include "Sprite.hpp"
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#include "SpriteList.h"
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#define MAX_SPRITES 768
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#define SCREEN_WIDTH 400
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#define SCREEN_HEIGHT 240
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// init spritesheet
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static C2D_SpriteSheet spriteSheet;
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Sprite sprites[MAX_SPRITES];
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static void initSprites() {
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size_t numImages = C2D_SpriteSheetCount(spriteSheet);
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for (size_t i = 0; i < numImages; i++) {
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Sprite* thisSprite = &sprites[i];
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float x = SCREEN_WIDTH / 2;
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float y = SCREEN_HEIGHT / 2;
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C2D_SpriteFromSheet(thisSprite->spr, spriteSheet, i);
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C2D_SpriteSetCenter(thisSprite->spr, 0.5f, 0.5f);
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thisSprite->setPosition(x, y);
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}
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// set bird consts
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sprites[SPR_BIRD].setPosition(SCREEN_WIDTH / 4, SCREEN_HEIGHT / 3);
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// set bottom screen scorecard
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sprites[SPR_SCORECARD].setCenter(0.0, 0.0);
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sprites[SPR_SCORECARD].setPosition(2, 40);
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sprites[SPR_PIPETOP].setPosition(280, 3);
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sprites[SPR_PIPEBOTTOM].setPosition(280, 280);
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}
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int main(int argc, char* argv[]) {
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// Init libs
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romfsInit();
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gfxInitDefault();
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C3D_Init(C3D_DEFAULT_CMDBUF_SIZE);
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C2D_Init(C2D_DEFAULT_MAX_OBJECTS);
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C2D_Prepare();
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// consoleInit(GFX_BOTTOM, NULL);
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// Create screens
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C3D_RenderTarget* top = C2D_CreateScreenTarget(GFX_TOP, GFX_LEFT);
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C3D_RenderTarget* bottom = C2D_CreateScreenTarget(GFX_BOTTOM, GFX_LEFT);
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// Load fonts and text
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C2D_TextBuf g_staticBuf;
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C2D_Text scoreText;
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C2D_Font font;
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g_staticBuf = C2D_TextBufNew(4096);
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font = C2D_FontLoad("romfs:/gfx/fbfont.bcfnt");
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C2D_TextFontParse(&scoreText, font, g_staticBuf, "0");
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C2D_TextOptimize(&scoreText);
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// Load graphics
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spriteSheet = C2D_SpriteSheetLoad("romfs:/gfx/sprites.t3x");
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if (!spriteSheet) {
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svcBreak(USERBREAK_PANIC);
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}
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// Initialize sprites
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initSprites();
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// init gravity calc vars
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float a = 0.4; // acceleration
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float v = 0; // velocity
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float pipeSpeed = -1.2;
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// set bg properties
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sprites[SPR_BG].setPosition(200, 120);
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C2D_SpriteSetScale(sprites[SPR_BG].spr, 2.7778, 2.7907); // scale image to 400x240 (3ds screen res)
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size_t score = 0;
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// Main loop
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while (aptMainLoop()) {
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hidScanInput();
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// Respond to user input
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u32 kDown = hidKeysDown();
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if (kDown & KEY_START)
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break; // break in order to return to hbmenu
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// gravity calcs
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v += a;
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sprites[SPR_BIRD].move(0, v);
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C2D_SpriteSetRotationDegrees(sprites[SPR_BIRD].spr, v*9.8);
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if (kDown & KEY_A) {
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v = -5.5;
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sprites[SPR_BIRD].move(0, v);
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// temp score = num of flaps
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score++;
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}
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sprites[SPR_PIPETOP].move(pipeSpeed, 0, true);
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sprites[SPR_PIPEBOTTOM].move(pipeSpeed, 0, true);
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if (sprites[SPR_PIPETOP].getPosX() < -10) {
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sprites[SPR_PIPETOP].setPosition(SCREEN_WIDTH, 3);
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sprites[SPR_PIPEBOTTOM].setPosition(SCREEN_WIDTH, 280);
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}
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// make score text
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char scoreString[(((sizeof score) * CHAR_BIT) + 2)/3 + 2];
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sprintf(scoreString, "%d", score);
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C2D_TextFontParse(&scoreText, font, g_staticBuf, scoreString);
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C2D_TextOptimize(&scoreText);
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// Render the scene
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C3D_FrameBegin(C3D_FRAME_SYNCDRAW);
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C2D_TargetClear(top, C3D_CLEAR_COLOR);
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C2D_SceneBegin(top);
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sprites[SPR_BG].draw();
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sprites[SPR_BIRD].draw();
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sprites[SPR_PIPETOP].draw();
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sprites[SPR_PIPEBOTTOM].draw();
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C2D_TargetClear(bottom, C2D_Color32f(0.3294f, 0.7529f, 0.7882f, 1.0f));
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C2D_SceneBegin(bottom);
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// drawSprite(SPR_SCORECARD);
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sprites[SPR_SCORECARD].draw();
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// C2D_DrawSprite(&scoreSprite->spr);
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C2D_DrawText(&scoreText, 0, 240, 88, 0.0f, 0.9f, 0.9f);
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C3D_FrameEnd(0);
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}
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// Delete graphics
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C2D_SpriteSheetFree(spriteSheet);
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C2D_TextBufDelete(g_staticBuf);
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C2D_FontFree(font);
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// Deinit libs
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C2D_Fini();
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C3D_Fini();
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gfxExit();
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romfsExit();
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return 0;
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}
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