From e6b29d179fbeebb540b798309cba4397c6d53aa8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miloslav=20=C4=8C=C3=AD=C5=BE?= <drummyfish@disroot.org>
Date: Fri, 13 Nov 2020 15:37:34 +0100
Subject: [PATCH] Add save deleting

---
 game.h           |  4 ++--
 main_gbmeta.ino  | 35 +++++++++++++++++++++++++++++++++++
 main_pokitto.cpp |  2 +-
 3 files changed, 38 insertions(+), 3 deletions(-)

diff --git a/game.h b/game.h
index 5ee6434..5f1cdf0 100755
--- a/game.h
+++ b/game.h
@@ -1644,9 +1644,9 @@ void SFG_setAndInitLevel(uint8_t levelNumber)
 void SFG_createDefaultSaveData(uint8_t *memory)
 {
   for (uint16_t i = 0; i < SFG_SAVE_SIZE; ++i)
-    SFG_game.save[i] = 0;
+    memory[i] = 0;
     
-  SFG_game.save[1] = SFG_DEFAULT_SETTINGS;
+  memory[1] = SFG_DEFAULT_SETTINGS;
 }
 
 void SFG_init()
diff --git a/main_gbmeta.ino b/main_gbmeta.ino
index d4fd2d3..cee7dab 100644
--- a/main_gbmeta.ino
+++ b/main_gbmeta.ino
@@ -138,6 +138,25 @@ void setup()
   gb.setFrameRate(SFG_FPS);
   gb.save.config(saveDefault);
 
+  uint8_t data[SFG_SAVE_SIZE];
+
+  gb.save.get(0,data,SFG_SAVE_SIZE);
+
+  uint8_t allZeros = 1;
+
+  for (uint8_t i = 0; i < SFG_SAVE_SIZE; ++i)
+    if (data[i] != 0)
+    {
+      allZeros = 0;
+      break;
+    }
+
+  if (allZeros) // 1st time save?
+  {
+    SFG_createDefaultSaveData(data);
+    gb.save.set(0,data,SFG_SAVE_SIZE);
+  }
+
   for (int i = 0; i < 256; ++i)
   {
     uint16_t rgb565 = paletteRGB565[i];
@@ -148,8 +167,13 @@ void setup()
   blinkLED(RED);
 }
 
+uint8_t stop = 0;
+
 void loop()
 {
+  if (stop)
+    return;
+
   while(!gb.update())
   {
   }
@@ -163,6 +187,17 @@ void loop()
   }
 
   SFG_mainLoopBody();
+  
+  if (
+    gb.buttons.timeHeld(BUTTON_LEFT) >= 255 &&
+    gb.buttons.timeHeld(BUTTON_RIGHT) >= 255 &&
+    gb.buttons.timeHeld(BUTTON_B) >= 255)
+  {
+    // holding L+R+B in menu will erase all saved data
+
+    gb.save.del(0);
+    stop = 1;
+  }
 
 #if 0
   // debuggin performance
diff --git a/main_pokitto.cpp b/main_pokitto.cpp
index 240ebcf..88365f5 100644
--- a/main_pokitto.cpp
+++ b/main_pokitto.cpp
@@ -224,7 +224,7 @@ int main()
       break;
     }
 
-  if (allZeros) // 1st time save
+  if (allZeros) // 1st time save?
   {
     SFG_createDefaultSaveData(save.data);
     save.saveCookie();