Add Change Side to Convert

Author: Kade-github

src/Editor/Action.cpp

@@ -213,6 +213,8 @@ void Action::perform(Type action) {
         gEditing->changeHoldsToRolls();
         CASE(CHANGE_BETWEEN_PLAYER_NUMBERS)
         gEditing->changePlayerNumber();
+        CASE(CHANGE_SIDE)
+        gEditing->changeSide();
 
         CASE(MIRROR_NOTES_VERTICALLY)
         gEditing->mirrorNotes(Editing::MIRROR_V);

src/Editor/Action.h

@@ -115,6 +115,7 @@ enum Type {
     CHANGE_HOLDS_TO_MINES,
     CHANGE_BETWEEN_HOLDS_AND_ROLLS,
     CHANGE_BETWEEN_PLAYER_NUMBERS,
+    CHANGE_SIDE,
 
     MIRROR_NOTES_VERTICALLY,
     MIRROR_NOTES_HORIZONTALLY,

src/Editor/Editing.cpp

@@ -542,6 +542,35 @@ struct EditingImpl : public Editing {
         gNotes->modify(edit, false, desc);
     }
 
+    void changeNoteSide() {
+        Style* style = gStyle->get();
+
+        if (!style) {
+            HudNote("No style is currently active.");
+            return;
+        }
+
+        if (style->numCols != 8) {
+            HudNote("Switch side is only available in a double style.");
+            return;
+        }
+
+        NoteEdit edit;
+        gSelection->getSelectedNotes(edit.add);
+        for (auto& n : edit.add) {
+            if (n.col <= 3) {
+                n.col += 4;
+            } else {
+                n.col -= 4;
+            }
+        }
+
+        static const NotesMan::EditDescription desc = {
+            "Switched side for %1 note.", "Switched side for %1 notes."};
+        gEditing->deleteSelection();
+        gNotes->modify(edit, true, &desc);
+    }
+
     template <typename T>
     static T readFromBuffer(Vector<uint8_t>& buffer, int& pos) {
         if (pos + sizeof(T) <= buffer.size()) {

src/Editor/Editing.h

@@ -39,6 +39,7 @@ struct Editing : public InputHandler {
     virtual void changeHoldsToType(NoteType type) = 0;
     virtual void changeHoldsToRolls() = 0;
     virtual void changePlayerNumber() = 0;
+    virtual void changeSide() = 0;
 
     virtual void mirrorNotes(MirrorType type) = 0;
     virtual void scaleNotes(int numerator, int denominator) = 0;

src/Editor/Menubar.cpp

@@ -190,6 +190,7 @@ struct MenuBarImpl : public Menubar {
         add(hNoteConvert, CHANGE_HOLDS_TO_MINES, L"Holds \x2192 Mines");
         sep(hNoteConvert);
         add(hNoteConvert, CHANGE_BETWEEN_PLAYER_NUMBERS, L"Switch Player");
+        add(hNoteConvert, CHANGE_SIDE, L"Switch Sides");
 
         // Notes > Mirror menu.
         Item* hNoteMirror = newMenu();

src/Editor/Shortcuts.cpp

@@ -241,6 +241,7 @@ static ActionEntry actionMap[] = {
                                                                                                                 E(CHANGE_HOLDS_TO_MINES)
                                                                                                                     E(CHANGE_BETWEEN_HOLDS_AND_ROLLS)
                                                                                                                         E(CHANGE_BETWEEN_PLAYER_NUMBERS)
+                                                                                                                            E(CHANGE_SIDE)
 
                                                                                                                             E(MIRROR_NOTES_VERTICALLY)
                                                                                                                                 E(MIRROR_NOTES_HORIZONTALLY)