minor changes

lib/layout/game_ui.dart

@@ -11,6 +11,7 @@ TextStyle fontSize(double fontSize) {
 }
 
 Map<String, bool> keys = {};
+Map<String ,bool> lastTickKeys = {};
 
 const halfPi = pi / 2;
 

lib/layout/other/version.dart

@@ -18,6 +18,7 @@ final List<String> changes = [
   "QuickFix: Made the modding API not add subticks AFTER time reset",
   "Reworked rendering and the background image to make it extremely much faster",
   "QuickFix: Fixed several modding API problems",
+  "Reworked how TPC puzzle movement are computed",
 ];
 
 IconData getTrailing(String change) {

lib/layout/tools/saving.dart

@@ -1371,7 +1371,7 @@ class P6 {
       }
     }
 
-    final encodedList = <String>[];
+    final encodedList = [];
 
     for (var compressedCellList in cellList) {
       final (cell, bg, count) = compressedCellList;
@@ -1758,7 +1758,7 @@ class VX {
     str += "${base64.encode(zlib.encode(utf8.encode(json.encode(gridData))))};";
 
     str += (grid.width == 100) ? ";" : "${grid.width};";
-    str += (grid.width == grid.height) ? ";" : "${grid.width};";
+    str += (grid.width == grid.height) ? ";" : "${grid.height};";
 
     return str;
   }

lib/logic/core/game.dart

@@ -1632,6 +1632,8 @@ class PuzzleGame extends FlameGame with TapDetector, KeyboardEvents {
     if (worldIndex != null) {
       gridTabIndex = worldIndex!;
     }
+
+    lastTickKeys.clear();
 
     await loadAllButtonTextures();
 
@@ -2627,6 +2629,7 @@ class PuzzleGame extends FlameGame with TapDetector, KeyboardEvents {
               itime = 0;
             } else {
               grid.update(); // Update the cells boizz
+              lastTickKeys = {...keys}; // not good for GC
             }
           }
         }

lib/logic/update/puzzle.dart

@@ -3,16 +3,16 @@ part of logic;
 bool isPuzzleKeyDown(int d) {
   d %= 4;
   if (d == 0) {
-    return keys[LogicalKeyboardKey.arrowRight.keyLabel] == true;
+    return keys[LogicalKeyboardKey.arrowRight.keyLabel] == true || lastTickKeys[LogicalKeyboardKey.arrowRight.keyLabel] == false;
   }
   if (d == 2) {
-    return keys[LogicalKeyboardKey.arrowLeft.keyLabel] == true;
+    return keys[LogicalKeyboardKey.arrowLeft.keyLabel] == true || lastTickKeys[LogicalKeyboardKey.arrowLeft.keyLabel] == false;
   }
   if (d == 1) {
-    return keys[LogicalKeyboardKey.arrowDown.keyLabel] == true;
+    return keys[LogicalKeyboardKey.arrowDown.keyLabel] == true || lastTickKeys[LogicalKeyboardKey.arrowDown.keyLabel] == false;
   }
   if (d == 3) {
-    return keys[LogicalKeyboardKey.arrowUp.keyLabel] == true;
+    return keys[LogicalKeyboardKey.arrowUp.keyLabel] == true || lastTickKeys[LogicalKeyboardKey.arrowUp.keyLabel] == false;
   }
   return false;
 }