Fix egg upscale issues

platformio.ini

@@ -20,18 +20,14 @@ lib_deps =
     fbiego/ESP32Time@^2.0.6
     electroniccats/MPU6050@^1.4.3
 
-; --- Hardware & Memory Topology ---
 board_build.arduino.psram = enabled
 board_upload.flash_size = 16MB
 board_build.partitions = default_16MB.csv
-
-; FIX 2: Explicitly matches the 'mode:DIO' your ROM is reporting
 board_build.flash_mode = dio  
 board_build.arduino.memory_type = dio_opi
 
 build_flags = 
     -DBOARD_HAS_PSRAM
-    ; FIX 1: Forces all Serial.print logs to stay on the hardware UART port
     -DARDUINO_USB_CDC_ON_BOOT=0  
     -DDEV_UNIT
     -DDEBUG
@@ -44,20 +40,17 @@ platform = espressif32
 board = esp32-s3-devkitc-1
 framework = arduino
 
-; Flash and PSRAM settings for 4MB Flash / 2MB PSRAM (Quad SPI)
 board_upload.flash_size = 4MB
 board_build.arduino.memory_type = qio_qspi
 board_build.flash_mode = qio
 board_build.psram_type = qio
 
-; Required flag to enable PSRAM in code
 build_flags = 
     -DBOARD_HAS_PSRAM
     -DARDUINO_USB_CDC_ON_BOOT=1
     -DARDUINO_USB_MODE=1
     -DDEV_UNIT
     
-; Ensure partition table fits 4MB
 board_build.partitions = default.csv
 lib_deps = TFT_eSPI, fbiego/ESP32Time@^2.0.6, electroniccats/MPU6050@^1.4.3
 upload_port = COM5

src/defs/background_data.h

@@ -3,6 +3,8 @@
 
 #include <stdint.h>
 
+extern int currentBackground;
+
 struct BackgroundData {
     uint8_t backgroundWidth;
     uint8_t backgroundHeight;

src/defs/defs.h

@@ -164,6 +164,8 @@
 
 #define CHARA_COUNT_IN_DEVICE 5
 
+#define SPRITE_SCALE 6
+
 extern int screenKey;
 extern int menuKey;
 extern int submenuKey;

src/main.cpp

@@ -61,6 +61,9 @@ uint32_t dayUnixTime = 0;
 Egg_t* eggSelection = NULL;
 uint8_t eggNumber = 0;
 
+// Background stuff
+int currentBackground = 0;
+
 // Tasks
 TaskHandle_t secondLoop = NULL;
 
@@ -92,7 +95,7 @@ void setup() {
     storage_readFile("/menu.bin", &menuElementsData);
     storage_readFile("/ui.bin", &uiElementsData);
     
-    storage_initBackground("/bg2.bin", bg);
+    storage_initBackground(currentBackground, bg);
     
     pinMode(K1_PIN, BUTTON_MODE);
     pinMode(K2_PIN, BUTTON_MODE);

src/menu/change_background_screen.cpp

@@ -0,0 +1,77 @@
+#include "menu.h"
+#include "defs/sprite_data.h"
+#include "buttons/buttons.h"
+#include "draw/draw.h"
+#include "storage/storage.h"
+#include "display/display.h"
+#include "defs/screen_defs.h"
+
+void menu_changeBackgroundScreen(
+    TFT_eSprite &bg, TFT_eSprite &sprite, struct SpriteData* uiSpriteData
+) {
+    int8_t selectedBackground = currentBackground;
+
+    fs::File bgFolder = SPIFFS.open("/bg");
+    fs::File background = bgFolder.openNextFile();
+
+    uint8_t backgrounds = 0;
+
+    uint64_t currentTime = esp_timer_get_time();
+
+    int8_t selectedPreviousBackground = 0;
+
+    while (background) {
+        if (!background.isDirectory()) {
+            backgrounds++;
+        }
+
+        background = background.openNextFile();
+    }
+
+    for (;;) {
+        uint8_t buttonsPressed = buttons_getPressedButtons();
+        currentTime = esp_timer_get_time();
+
+        switch (buttonsPressed) {
+            case K1_PRESSED:
+                selectedBackground++;
+                if (selectedBackground > backgrounds) { 
+                    selectedBackground = 0;
+                }
+                storage_initBackground(selectedBackground, bg);
+                lastUpdateTime = currentTime;
+                break;
+
+            case K2_PRESSED:
+                selectedBackground--;
+                if (selectedBackground < 0) {
+                    selectedBackground = backgrounds - 1;
+                }
+                storage_initBackground(selectedBackground, bg);
+                lastUpdateTime = currentTime;
+                break;
+            
+            case K3_PRESSED:
+                currentBackground = selectedBackground;
+                lastUpdateTime = currentTime;
+                return;
+            
+            case K4_PRESSED:
+                storage_initBackground(currentBackground, bg);
+                lastUpdateTime = currentTime;
+                return;
+        }
+
+        if (selectedPreviousBackground != selectedBackground) {
+            draw_drawBackground(bg, 90, 90, 3);
+            draw_drawSprite(sprite, 174, 96, uiSpriteData, ARROW_ICON);
+            tft_drawBuffer();
+        }
+
+        if (currentTime - lastUpdateTime > INACTIVITY_THRESHOLD_TIME_US) {
+            storage_initBackground(currentBackground, bg);
+            return;
+        }
+    }
+
+}

src/menu/menu.h

@@ -53,11 +53,13 @@ void menu_drawAngryScreen(
     struct SpriteData* spriteData, struct SpriteData* smallUiElements
 );
 void menu_drawFridgeScreen(TFT_eSprite &bg, TFT_eSprite& sprite, struct SpriteData* smallUiElements, struct SpriteData* bigUiElements);
-
 void training_screenTraining2(
     TFT_eSprite &bg, TFT_eSprite &sprite,
     struct SpriteData* mainCharaData, struct SpriteData* attackSprites
 );
+void menu_changeBackgroundScreen(
+    TFT_eSprite &bg, TFT_eSprite &sprite, struct SpriteData* uiSpriteData
+);
 
 void menu_sleepScreen_sleepAction();
 void menu_sleepScreen_recalculateSleep();

src/storage/read_file.cpp

@@ -0,0 +1,124 @@
+#include "storage.h"
+#include "memory/memory.h"
+#include "defs/defs.h"
+#include "utils/utils.h"
+
+
+const char* TAG_SR = "[STORAGE]";
+
+
+void storage_readFile(const char* path, struct SpriteData* spriteData) {
+    File file = SPIFFS.open(path, "r");
+    if (!file) {
+        printf("%s Failed to open file for reading\n", TAG_SR);
+        return;
+    }
+
+    uint8_t width, height, spriteNumber;
+
+    file.read(&width, 1);
+    file.read(&height, 1);
+    file.read(&spriteNumber, 1);
+
+    if (spriteData->spriteData != NULL) {
+        memory_free(spriteData);
+    }
+
+    const uint8_t scaledW = width  * SPRITE_SCALE;
+    const uint8_t scaledH = height * SPRITE_SCALE;
+
+    uint16_t** scaled =
+        (uint16_t**) ps_malloc(spriteNumber * sizeof(uint16_t*));
+
+    if (!scaled) {
+        printf("%s PSRAM alloc failed for pointer table\n", TAG_SR);
+        file.close();
+        return;
+    }
+
+    for (uint8_t i = 0; i < spriteNumber; i++) {
+
+        scaled[i] =
+            (uint16_t*) ps_malloc(scaledW * scaledH * sizeof(uint16_t));
+
+        if (!scaled[i]) {
+            printf("%s PSRAM alloc failed for sprite %d\n", TAG_SR, i);
+
+            for (uint8_t j = 0; j < i; j++) {
+                free(scaled[j]);
+            }
+
+            free(scaled);
+            file.close();
+            return;
+        }
+    }
+
+    uint16_t* spriteBuf =
+        (uint16_t*) malloc(width * height * sizeof(uint16_t));
+
+    if (!spriteBuf) {
+        printf("%s scratch alloc failed\n", TAG_SR);
+
+        for (uint8_t i = 0; i < spriteNumber; i++) {
+            free(scaled[i]);
+        }
+
+        free(scaled);
+        file.close();
+        return;
+    }
+
+    printf(
+        "%s Read header: width=%d, height=%d, numSprites=%d -> scaled to %dx%d\n",
+        TAG_SR,
+        width,
+        height,
+        spriteNumber,
+        scaledW,
+        scaledH
+    );
+
+    for (int sprN = 0; sprN < spriteNumber; sprN++) {
+
+        // Read original sprite into temporary buffer
+        for (int y = 0; y < height; y++) {
+
+            for (int x = 0; x < width; x++) {
+
+                uint8_t hi, lo;
+
+                file.read(&hi, 1);
+                file.read(&lo, 1);
+
+                spriteBuf[y * width + x] =
+                    (lo << 8) | hi;
+            }
+        }
+
+        // Upscale sprite
+        utils_upscaleSprite(
+            spriteBuf,
+            width,
+            height,
+            scaled[sprN]
+        );
+    }
+
+    free(spriteBuf);
+    file.close();
+
+    spriteData->spriteWidth  = scaledW;
+    spriteData->spriteHeight = scaledH;
+    spriteData->spriteNumber = spriteNumber;
+    spriteData->spriteData   = scaled;
+
+    printf(
+        "%s Loaded & upscaled %s (%d sprites, each %dx%d px)\n",
+        TAG_SR,
+        path,
+        spriteNumber,
+        scaledW,
+        scaledH
+    );
+}

src/storage/storage.cpp

@@ -8,8 +8,6 @@
 
 const char* TAG_S = "[STORAGE]";
 
-#define SPRITE_SCALE 6
-
 void storage_init() {
     if (!SPIFFS.begin(true)) {
         printf("%s Failed to mount file system\n", TAG_S);
@@ -19,95 +17,11 @@ void storage_init() {
 }
 
 
-void storage_readFile(const char* path, struct SpriteData* spriteData) {
+void storage_initBackground(const int id, TFT_eSprite& bg) {
-    File file = SPIFFS.open(path, "r");
+    char path[15];
-    if (!file) {
-        printf("%s Failed to open file for reading\n", TAG_S);
-        return;
-    }
 
-    uint8_t width, height, spriteNumber;
+    snprintf(path, 15, "/bg/%i.bin", id);
 
-    file.read(&width, 1);
-    file.read(&height, 1);
-    file.read(&spriteNumber, 1);
-
-    if (spriteData->spriteData != NULL) {
-        memory_free(spriteData);
-    }
-
-    const uint8_t scaledW = width  * SPRITE_SCALE;
-    const uint8_t scaledH = height * SPRITE_SCALE;
-
-    uint16_t** scaled = (uint16_t**) ps_malloc(spriteNumber * sizeof(uint16_t*));
-    if (!scaled) {
-        printf("%s PSRAM alloc failed for pointer table\n", TAG_S);
-        file.close();
-        return;
-    }
-    for (uint8_t i = 0; i < spriteNumber; i++) {
-        scaled[i] = (uint16_t*) ps_malloc(scaledW * scaledH * sizeof(uint16_t));
-        if (!scaled[i]) {
-            printf("%s PSRAM alloc failed for sprite %d\n", TAG_S, i);
-            for (uint8_t j = 0; j < i; j++) free(scaled[j]);
-            free(scaled);
-            file.close();
-            return;
-        }
-    }
-
-    uint16_t* rowBuf = (uint16_t*) malloc(width * sizeof(uint16_t));
-    if (!rowBuf) {
-        printf("%s scratch alloc failed\n", TAG_S);
-        for (uint8_t i = 0; i < spriteNumber; i++) free(scaled[i]);
-        free(scaled);
-        file.close();
-        return;
-    }
-
-    printf(
-        "%s Read header: width=%d, height=%d, numSprites=%d -> scaled to %dx%d\n",
-        TAG_S, width, height, spriteNumber, scaledW, scaledH
-    );
-
-    for (int sprN = 0; sprN < spriteNumber; sprN++) {
-        uint16_t* dst = scaled[sprN];
-
-        for (int srcY = 0; srcY < height; srcY++) {
-            for (int srcX = 0; srcX < width; srcX++) {
-                uint8_t hi, lo;
-                file.read(&hi, 1);
-                file.read(&lo, 1);
-                rowBuf[srcX] = (lo << 8) | hi;
-            }
-
-            for (int dy = 0; dy < SPRITE_SCALE; dy++) {
-                uint16_t* dstRow = dst + (srcY * SPRITE_SCALE + dy) * scaledW;
-
-                for (int srcX = 0; srcX < width; srcX++) {
-                    uint16_t color = rowBuf[srcX];
-                    uint16_t* dstPixel = dstRow + srcX * SPRITE_SCALE;
-                    for (int dx = 0; dx < SPRITE_SCALE; dx++) {
-                        dstPixel[dx] = color;
-                    }
-                }
-            }
-        }
-    }
-
-    free(rowBuf);
-    file.close();
-
-    spriteData->spriteWidth  = scaledW;
-    spriteData->spriteHeight = scaledH;
-    spriteData->spriteNumber = spriteNumber;
-    spriteData->spriteData   = scaled;
-
-    printf("%s Loaded & upscaled %s (%d sprites, each %dx%d px)\n",
-           TAG_S, path, spriteNumber, scaledW, scaledH);
-}
-
-void storage_initBackground(const char* path, TFT_eSprite& bg) {
     File file = SPIFFS.open(path, "r");
     if (!file) {
         printf("%s Failed to open file for reading\n", TAG_S);

src/storage/storage.h

@@ -9,7 +9,7 @@
 
 void storage_init();
 void storage_readFile(const char* path, struct SpriteData* spriteData);
-void storage_initBackground(const char* path, TFT_eSprite &bg);
+void storage_initBackground(const int id, TFT_eSprite &bg);
 
 void storage_saveState(); 
 void storage_loadState();

src/utils/upscale_sprite.cpp

@@ -0,0 +1,41 @@
+#include "utils.h"
+#include "defs/defs.h"
+
+
+/**
+ * Upscale a sprite using nearest-neighbor scaling.
+ *
+ * @param src          Pointer to source sprite pixels
+ * @param srcWidth     Original sprite width
+ * @param srcHeight    Original sprite height
+ * @param dst          Destination buffer for upscaled sprite
+ */
+void utils_upscaleSprite(
+    const uint16_t* src,
+    uint8_t srcWidth,
+    uint8_t srcHeight,
+    uint16_t* dst
+) {
+    const uint8_t scaledW = srcWidth * SPRITE_SCALE;
+
+    for (int srcY = 0; srcY < srcHeight; srcY++) {
+
+        for (int dy = 0; dy < SPRITE_SCALE; dy++) {
+
+            uint16_t* dstRow =
+                dst + ((srcY * SPRITE_SCALE + dy) * scaledW);
+
+            for (int srcX = 0; srcX < srcWidth; srcX++) {
+
+                uint16_t color = src[srcY * srcWidth + srcX];
+
+                uint16_t* dstPixel =
+                    dstRow + (srcX * SPRITE_SCALE);
+
+                for (int dx = 0; dx < SPRITE_SCALE; dx++) {
+                    dstPixel[dx] = color;
+                }
+            }
+        }
+    }
+}

src/utils/utils.h

@@ -0,0 +1,14 @@
+#ifndef UTILS_H
+#define UTILS_H
+
+#include <Arduino.h>
+
+
+void utils_upscaleSprite(
+    const uint16_t* src,
+    uint8_t srcWidth,
+    uint8_t srcHeight,
+    uint16_t* dst
+);
+
+#endif

src/vpet/lines/get_available_lines.cpp

@@ -1,23 +1,24 @@
 #include "lines.h"
 #include "memory/memory.h"
 #include "defs/defs.h"
+#include "utils/utils.h"
 
 #include <FS.h>
 #include <SPIFFS.h>
 
-const char lineHeader[5] = "NPET"; 
+const char lineHeader[5] = "NPET";
 const uint8_t headerSize = 4;
 
 void lines_getAvailableLines() {
     if (eggSelection != NULL) {
         return;
     }
-    
+
     fs::File root = SPIFFS.open("/lines");
     fs::File lineFile = root.openNextFile();
 
     uint8_t allocCount = 0;
-    char header[5]; 
+    char header[5];
 
     while (lineFile) {
         printf("[LINES] Opening file %s\n", lineFile.name());
@@ -40,39 +41,69 @@ void lines_getAvailableLines() {
     lineFile = root.openNextFile("r");
 
     while (lineFile) {
-        uint16_t bytesRead = lineFile.readBytes(header, headerSize);
+        uint16_t bytesRead = 0;
+
+        bytesRead += lineFile.readBytes(header, headerSize);
         bytesRead += lineFile.read(&availableLines[allocCount].id, 1);
         bytesRead += lineFile.readBytes(availableLines[allocCount].name, 16);
 
-        bytesRead += lineFile.read(&availableLines[allocCount].eggSprite.spriteWidth, 1);
+        uint8_t originalWidth;
-        bytesRead += lineFile.read(&availableLines[allocCount].eggSprite.spriteHeight, 1);
+        uint8_t originalHeight;
-        bytesRead += lineFile.read(&availableLines[allocCount].eggSprite.spriteNumber, 1); // Se coloca el cursor al principio de los datos de sprite
+        uint8_t spriteCount;
 
-        availableLines[allocCount].eggSprite.spriteNumber = 1; // Inutil, pero es que necesito hacer la lectura
+        bytesRead += lineFile.read(&originalWidth, 1);
+        bytesRead += lineFile.read(&originalHeight, 1);
+        bytesRead += lineFile.read(&spriteCount, 1);
 
-        availableLines[allocCount].eggSprite.spriteData = memory_allocate(
+        const uint8_t scaledWidth = originalWidth * SPRITE_SCALE;
-            availableLines[allocCount].eggSprite.spriteNumber,
+        const uint8_t scaledHeight = originalHeight * SPRITE_SCALE;
-            availableLines[allocCount].eggSprite.spriteWidth,
+
-            availableLines[allocCount].eggSprite.spriteHeight
+        availableLines[allocCount].eggSprite.spriteWidth = scaledWidth;
-        );
+        availableLines[allocCount].eggSprite.spriteHeight = scaledHeight;
+        availableLines[allocCount].eggSprite.spriteNumber = 1;
+        availableLines[allocCount].eggSprite.spriteData = memory_allocate(1, scaledWidth, scaledHeight);
+      
+        uint16_t* spriteBuffer =
+            (uint16_t*) malloc(
+                originalWidth *
+                originalHeight *
+                sizeof(uint16_t)
+            );
+
+        if (!spriteBuffer) {
+            printf("[LINES] Failed to allocate sprite buffer\n");
+
+            lineFile.close();
+            lineFile = root.openNextFile();
+
+            continue;
+        }
 
         uint8_t highByte;
         uint8_t lowByte;
 
-        for (int i = 0; i < availableLines[allocCount].eggSprite.spriteWidth * availableLines[allocCount].eggSprite.spriteHeight; i++) {
+        for (int i = 0; i < originalWidth * originalHeight; i++) {
-            bytesRead += lineFile.read(&highByte, 1);
             bytesRead += lineFile.read(&lowByte, 1);
+            bytesRead += lineFile.read(&highByte, 1);
 
-            uint16_t pixel = (highByte << 8) | lowByte;
+            spriteBuffer[i] = (highByte << 8) | lowByte;
-
-            availableLines[allocCount].eggSprite.spriteData[0][i] = pixel;
         }
 
+        utils_upscaleSprite(
+            spriteBuffer,
+            originalWidth,
+            originalHeight,
+            availableLines[allocCount].eggSprite.spriteData[0]
+        );
+
+        free(spriteBuffer);
+
         strcpy(availableLines[allocCount].fileName, lineFile.name());
-        
+
         lineFile.close();
-        
+
         allocCount++;
+
         lineFile = root.openNextFile();
     }
 
@@ -80,4 +111,4 @@ void lines_getAvailableLines() {
 
     eggNumber = allocCount;
     eggSelection = availableLines;
-}
+}

src/vpet/lines/get_single_line.cpp

@@ -1,6 +1,7 @@
 #include "lines.h"
 #include "memory/memory.h"
 #include "defs/defs.h"
+#include "utils/utils.h"
 
 #include <FS.h>
 #include <SPIFFS.h>
@@ -40,37 +41,76 @@ void lines_getSingleLine(const char* fileName) {
     currentLine[currentCharacter] = selectedLine;
     currentEgg = selectedEgg;
 }
-
 void lines_getSingleEggSprites(fs::File &lineFile, Egg_t* selectedEgg) {
+
     // Importante tener el nombre de archivo del huevo en todo momento
     strcpy(selectedEgg->fileName, lineFile.name());
 
-    // Ahora se lee los datos
+    // Leer dimensiones originales
-    lineFile.read(&(selectedEgg->eggSprite.spriteWidth), 1);
+    uint8_t originalWidth;
-    lineFile.read(&(selectedEgg->eggSprite.spriteHeight), 1);
+    uint8_t originalHeight;
+
+    lineFile.read(&originalWidth, 1);
+    lineFile.read(&originalHeight, 1);
     lineFile.read(&(selectedEgg->eggSprite.spriteNumber), 1);
-    
+
+    const uint8_t scaledWidth  = originalWidth  * SPRITE_SCALE;
+    const uint8_t scaledHeight = originalHeight * SPRITE_SCALE;
+
+    // Guardar dimensiones escaladas
+    selectedEgg->eggSprite.spriteWidth  = scaledWidth;
+    selectedEgg->eggSprite.spriteHeight = scaledHeight;
+
+    // Reservar memoria para sprites escalados
     selectedEgg->eggSprite.spriteData = memory_allocate(
-        selectedEgg->eggSprite.spriteNumber, 
+        selectedEgg->eggSprite.spriteNumber,
-        selectedEgg->eggSprite.spriteWidth, 
+        scaledWidth,
-        selectedEgg->eggSprite.spriteHeight
+        scaledHeight
     );
 
-    uint16_t size = selectedEgg->eggSprite.spriteWidth * selectedEgg->eggSprite.spriteHeight;
+    const uint16_t originalSize =
+        originalWidth * originalHeight;
+
+    // Buffer temporal en SRAM
+    uint16_t* spriteBuffer =
+        (uint16_t*) malloc(
+            originalSize * sizeof(uint16_t)
+        );
+
+    if (!spriteBuffer) {
+        printf("[LINES] Failed to allocate sprite buffer\n");
+        return;
+    }
 
     uint8_t highByte;
     uint8_t lowByte;
 
-    for (int spr = 0; spr < selectedEgg->eggSprite.spriteNumber; spr++) {
+    for (
-        for (int i= 0; i < size; i++) {
+        int spr = 0;
-            lineFile.read(&highByte, 1);
+        spr < selectedEgg->eggSprite.spriteNumber;
+        spr++
+    ) {
+
+        // Leer sprite original
+        for (int i = 0; i < originalSize; i++) {
+
             lineFile.read(&lowByte, 1);
+            lineFile.read(&highByte, 1);
 
-            uint16_t pixel = (highByte << 8) | lowByte;
+            spriteBuffer[i] =
-
+                (highByte << 8) | lowByte;
-            selectedEgg->eggSprite.spriteData[spr][i] = pixel;
         }
-    } 
+
+        // Escalar sprite
+        utils_upscaleSprite(
+            spriteBuffer,
+            originalWidth,
+            originalHeight,
+            selectedEgg->eggSprite.spriteData[spr]
+        );
+    }
+
+    free(spriteBuffer);
 }
 
 // Son las 22:35, que estoy haciendo?