Manual add/delete cheats works now. How high is the water, momma? 3 ft. high and rising. W00t!

src/main/java/jace/cheat/MemoryCell.java

@@ -6,6 +6,7 @@
 package jace.cheat;
 
 import java.util.ArrayList;
+import javafx.beans.binding.BooleanBinding;
 import javafx.beans.property.IntegerProperty;
 import javafx.beans.property.SimpleIntegerProperty;
 import javafx.beans.value.ChangeListener;
@@ -24,6 +25,7 @@ public class MemoryCell implements Comparable<MemoryCell> {
     public IntegerProperty readCount = new SimpleIntegerProperty();
     public IntegerProperty execCount = new SimpleIntegerProperty();
     public IntegerProperty writeCount = new SimpleIntegerProperty();
+    public BooleanBinding hasCount = readCount.add(execCount).add(writeCount).greaterThan(0);
     public ObservableList<Integer> readInstructions = FXCollections.observableList(new ArrayList<>());
     public ObservableList<Integer> writeInstructions = FXCollections.observableList(new ArrayList<>());
     private int x;
@@ -72,4 +74,8 @@ public class MemoryCell implements Comparable<MemoryCell> {
         return address - o.address;
     }
     
+    public boolean hasCounts() {
+        return hasCount.get();
+    }
+    
 }

src/main/java/jace/cheat/MetaCheat.java

@@ -35,7 +35,6 @@ public class MetaCheat extends Cheats {
         NO_CHANGE, ANY_CHANGE, LESS, GREATER, AMOUNT
     }
 
-
     public static class SearchResult {
 
         int address;
@@ -52,7 +51,6 @@ public class MetaCheat extends Cheats {
         }
     }
 
-
     MetacheatUI ui;
 
     public int fadeRate = 1;
@@ -106,12 +104,7 @@ public class MetaCheat extends Cheats {
             return Integer.parseInt(s);
         } else {
             String upper = s.toUpperCase();
-            boolean positive = true;
+            boolean positive = !upper.startsWith("-");
-            if (upper.startsWith("-")) {
-                positive = false;
-                upper = upper.substring(1);
-            }
-            
             for (int i = 0; i < upper.length(); i++) {
                 char c = upper.charAt(i);
                 if ((c >= '0' && c <= '9') || (c >= 'A' & c <= 'F')) {
@@ -134,12 +127,18 @@ public class MetaCheat extends Cheats {
         cheat.activeProperty().set(true);
         cheatList.add(cheat);
         computer.getMemory().addListener(cheat);
-        cheat.addressProperty().addListener((prop, oldVal, newVal)->{
+        cheat.addressProperty().addListener((prop, oldVal, newVal) -> {
             computer.getMemory().removeListener(cheat);
             cheat.doConfig();
             computer.getMemory().addListener(cheat);
         });
     }
+    
+    public void removeCheat(DynamicCheat cheat) {
+        cheat.active.set(false);
+        computer.getMemory().removeListener(cheat);
+        cheatList.remove(cheat);
+    }
 
     @Override
     protected void unregisterListeners() {
@@ -299,24 +298,22 @@ public class MetaCheat extends Cheats {
     public void tick() {
         if (fadeCounter-- <= 0) {
             fadeCounter = FADE_TIMER_VALUE;
-            memoryCells.values().stream().forEach((jace.cheat.MemoryCell cell) -> {
+            memoryCells.values().stream()
-                boolean change = false;
+                    .filter((cell) -> cell.hasCounts())
-                if (cell.execCount.get() > 0) {
+                    .forEach((cell) -> {
-                    cell.execCount.set(Math.max(0, cell.execCount.get() - fadeRate));
+                        if (cell.execCount.get() > 0) {
-                    change = true;
+                            cell.execCount.set(Math.max(0, cell.execCount.get() - fadeRate));
-                }
+                        }
-                if (cell.readCount.get() > 0) {
+                        if (cell.readCount.get() > 0) {
-                    cell.readCount.set(Math.max(0, cell.readCount.get() - fadeRate));
+                            cell.readCount.set(Math.max(0, cell.readCount.get() - fadeRate));
-                    change = true;
+                        }
-                }
+                        if (cell.writeCount.get() > 0) {
-                if (cell.writeCount.get() > 0) {
+                            cell.writeCount.set(Math.max(0, cell.writeCount.get() - fadeRate));
-                    cell.writeCount.set(Math.max(0, cell.writeCount.get() - fadeRate));
+                        }
-                    change = true;
+                        if (MemoryCell.listener != null) {
-                }
+                            MemoryCell.listener.changed(null, cell, cell);
-                if (change && MemoryCell.listener != null) {
+                        }
-                    MemoryCell.listener.changed(null, cell, cell);
+                    });
-                }
-            });
         }
     }
 

src/main/java/jace/ui/MetacheatUI.java

@@ -127,7 +127,7 @@ public class MetacheatUI {
 
     @FXML
     void addCheat(ActionEvent event) {
-
+        cheatEngine.addCheat(new DynamicCheat(0, "?"));
     }
 
     @FXML
@@ -137,7 +137,7 @@ public class MetacheatUI {
 
     @FXML
     void deleteCheat(ActionEvent event) {
-
+        cheatsTableView.getSelectionModel().getSelectedItems().forEach(cheatEngine::removeCheat);
     }
 
     @FXML
@@ -281,12 +281,12 @@ public class MetacheatUI {
         TableColumn<DynamicCheat, Integer> addrColumn = (TableColumn<DynamicCheat, Integer>) cheatsTableView.getColumns().get(2);
         addrColumn.setCellValueFactory(new PropertyValueFactory<>("address"));
         addrColumn.setCellFactory((TableColumn<DynamicCheat, Integer> param) -> {
-            return new TextFieldTableCell<>(new IntegerStringConverter(){
+            return new TextFieldTableCell<>(new IntegerStringConverter() {
                 @Override
                 public String toString(Integer value) {
-                    return "$"+Integer.toHexString(value);
+                    return "$" + Integer.toHexString(value);
                 }
-                
+
                 @Override
                 public Integer fromString(String value) {
                     return cheatEngine.parseInt(value);