starting doing this :3

source/Bakery2D/Level/Level.cpp

@@ -0,0 +1,39 @@
+#include "Level.hpp"
+
+template <typename T>
+Level::Level(T* levelName, char* spritesheetPath, C3D_RenderTarget* top, C3D_RenderTarget* bottom) : level(levelName), top(top), bottom(bottom) {
+    this->spritesheet = C2D_SpriteSheetLoad(spritesheetPath);
+    size_t numImages = C2D_SpriteSheetCount(spritesheet);
+
+    for (size_t i = 0; i < numImages; i++) {
+        Sprite* thisSprite = &sprites[i];
+        float x = SCREEN_WIDTH / 2;
+        float y = SCREEN_HEIGHT / 2;
+
+        C2D_SpriteFromSheet(&thisSprite->spr, spritesheet, i);
+        C2D_SpriteSetCenter(&thisSprite->spr, 0.5f, 0.5f);
+        thisSprite->setPosition(x, y);
+    }
+}
+
+void Level::run() {
+    if (!hasBeenSetup) {
+        level->setup();
+        this->hasBeenSetup = true;
+    }
+    level->update();
+
+    C3D_FrameBegin(C3D_FRAME_SYNCDRAW);
+        C2D_TargetClear(top, C3D_CLEAR_COLOR);
+        C2D_SceneBegin(top);
+        level->drawTop();
+
+        C2D_TargetClear(bottom, C3D_CLEAR_COLOR);
+        C2D_SceneBegin(bottom);
+        level->drawBottom();
+    C3D_FrameEnd(0);
+}   
+
+void Level::cleanup() {
+    C2D_SpriteSheetFree(spriteSheet);
+}

source/Bakery2D/Level/Level.hpp

@@ -0,0 +1,75 @@
+/*
+    Level.hpp
+    Bakery2D
+    Created by breadone
+*/
+
+#pragma once
+#ifndef LEVEL_HPP
+#define LEVEL_HPP
+
+#include <citro2d.h>
+#include "../Sprite/Sprite.hpp"
+
+#define SCREEN_WIDTH  400
+#define SCREEN_HEIGHT 240
+#define MAX_SPRITES   768
+/**
+ The Level class, the backdrops for your game, and the gateway to how they are controlled.
+
+  Example: 
+  ```cpp
+    struct mainLevel: Level {
+        mainLevel(): Level(this, "romfs:/gfx/mainlevel/sprites.t3x");
+
+        int score = 0;
+        bool gameOver = false;
+
+        void setup() {
+            // set background sprite to correct location and scale
+            sprites[0].setPosition(200, 120);
+            C2D_SpriteSetScale(&sprites[SPR_BG].spr, 2.7778, 2.7907); // scale image to 400x240 (3ds screen res)
+        }
+
+        void update() {
+            sprites[1].move(0, -0.4); // move bird down
+            sprites[2].move(-1, 0); // move pipe left
+
+            // other game logic goes here...
+        }
+
+        void drawTop() {
+            sprites[0].draw(); // draw background
+            sprites[1].draw(); // draw bird
+            sprites[2].draw(); // draw pipe
+        }
+
+        void drawBottom() {
+            sprites[3].draw(); // draw scorecard
+        }
+    };
+  ```
+ */
+class Level {
+public:
+    Sprite sprites[MAX_SPRITES];
+    C2D_SpriteSheet spritesheet;
+    C3D_RenderTarget* top;
+    C3D_RenderTarget* bottom;
+    Level* level;
+    bool hasBeenSetup = false;
+
+    virtual void setup() = 0;
+    virtual void update() = 0;
+    virtual void drawTop() = 0;
+    virtual void drawBottom() = 0;
+
+    template <typename T>
+    Level(T* levelName, char* spritesheetPath, C3D_RenderTarget* top, C3D_RenderTarget* bottom);
+
+    // sets up the level if it hasnt been, then updates the logic, and draws the frame
+    void run();
+
+    virtual void cleanup();
+};
+#endif  

source/Bakery2D/Sprite/Sprite.cpp

@@ -0,0 +1,106 @@
+#include "Sprite.hpp"
+
+Sprite::Sprite() {
+    // C2D_SpriteSetCenter(&this->spr, 0.5f, 0.5f);
+    // C2D_SpriteSetPos(&this->spr, 400/2, 240/2);
+    this->x = 200; this->y = 120;
+}
+
+Sprite::Sprite(C2D_Sprite* spr, float x, float y) {
+    this->x = x; this->y = y; this->spr = *spr;
+
+    C2D_SpriteSetCenter(&this->spr, 0.5f, 0.5f);
+    C2D_SpriteSetPos(&this->spr, x, y);
+}
+
+void Sprite::setPosition(float x, float y) {
+    this->x = x;
+    this->y = y;
+
+    C2D_SpriteSetPos(&this->spr, x, y);
+}
+
+void Sprite::move(float dx, float dy, bool overrideOOB) {
+    if (!overrideOOB) {
+        // make sure translate doesnt move to OOB
+        const float newX = this->x + dx;
+        const float newY = this->y + dy;
+        if (!((unsigned)(newX-1) <= 398 && (unsigned)(newY-1) <= 238)) {
+            return;
+	    }
+    }
+
+	this->x += dx;
+	this->y += dy;
+
+	C2D_SpriteSetPos(&this->spr, this->x, this->y);
+}
+
+void Sprite::setCenter(float x, float y) {
+    this->center[0] = x; this->center[1] = y;
+
+    C2D_SpriteSetCenter(&this->spr, x, y);
+}
+
+void Sprite::setHitbox(float w, float h) {
+    this->width = w; this->height = h;
+}
+
+bool Sprite::isCollidingWith(Sprite &other) {
+    // hitbox not set
+    if (this->width == 0 && this->height == 0) return false;
+
+    const float thisHalfWidth = this->width/2;
+    const float otherHalfWidth = other.width/2;
+    const float thisHalfHeight = this->height/2;
+    const float otherHalfHeight = other.height/2;
+
+    // check x collision
+    if (this->x + thisHalfWidth >= other.x - otherHalfWidth ||
+        this->x - thisHalfWidth <= other.x + otherHalfWidth
+    ) {
+        return true;
+    }
+
+    // check y collision
+    if (this->y + thisHalfHeight >= other.y - otherHalfHeight ||
+        this->y - thisHalfHeight <= other.y + otherHalfHeight
+    ) {
+        return true;
+    }
+
+    return false;
+}
+
+float* Sprite::getCenter() {
+    return this->center;
+}
+
+void Sprite::draw() {
+    C2D_DrawSprite(&this->spr);
+}
+
+float Sprite::getPosX() {
+    return this->x;
+}
+
+float Sprite::getPosY() {
+    return this->y;
+}
+
+C2D_Sprite* Sprite::getSpr() {
+    return &this->spr;
+}
+
+void Sprite::setSpr(C2D_Sprite* newSpr) {
+    this->spr = *newSpr;
+}
+
+void Sprite::copy(Sprite* other) {
+    memcpy(&other->x, &this->x, sizeof(this->x));
+    memcpy(&other->y, &this->y, sizeof(this->y));
+    memcpy(&other->width, &this->width, sizeof(this->width));
+    memcpy(&other->height, &this->height, sizeof(this->height));
+    memcpy(other->center, this->center, sizeof(this->center));
+    memcpy(&other->spr, &this->spr, sizeof(this->spr));
+}

source/Bakery2D/Sprite/Sprite.hpp

@@ -0,0 +1,46 @@
+#pragma once
+
+#ifndef SPRITE_H
+#define SPRITE_H
+
+#include <citro2d.h>
+
+class Sprite {
+public:
+    Sprite();
+
+    Sprite(C2D_Sprite* spr, float x, float y);
+
+    void setPosition(float x, float y);
+
+    void move(float dx, float dy, bool overrideOOB=false);
+
+    void setCenter(float x, float y);
+
+    void setHitbox(float width, float height);
+
+    bool isCollidingWith(Sprite &other);
+
+    void draw();
+
+    float getPosX();
+
+    float getPosY();
+
+    float* getCenter();
+
+    C2D_Sprite* getSpr();
+
+    void setSpr(C2D_Sprite* newSpr);
+
+    void copy(Sprite* other);
+
+    C2D_Sprite spr;    
+
+private:
+    float x, y;
+    float width, height; // for hitbox
+    float center[2];
+};
+
+#endif