edit commands for creating and deleting events

include/core/editcommands.h

@@ -9,6 +9,7 @@ class Map;
 class Blockdata;
 class Event;
 class DraggablePixmapItem;
+class Editor;
 
 enum CommandId {
     ID_PaintMetatile,       // - done
@@ -18,9 +19,9 @@ enum CommandId {
     ID_ResizeMap,           // - done
     ID_PaintBorder,         // - done
     ID_EventMove,           // - done
-    ID_EventShift,          // - 
-    ID_EventCreate,         // - 
-    ID_EventDelete,         // - 
+    ID_EventShift,          // - done
+    ID_EventCreate,         // - done
+    ID_EventDelete,         // - done
     ID_EventSetData,        // - ?
     // Tileset editor history commands
     // Region map editor history commands
@@ -193,4 +194,59 @@ private:
     unsigned actionId;
 };
 
+
+
+///
+class EventShift : public EventMove {
+public:
+    EventShift(QList<Event *> events,
+        int deltaX, int deltaY, unsigned actionId,
+        QUndoCommand *parent = nullptr);
+    ~EventShift();
+
+    int id() const override { return CommandId::ID_EventShift; }
+};
+
+
+
+///
+class EventCreate : public QUndoCommand {
+public:
+    EventCreate(Editor *editor, Map *map, Event *event,
+        QUndoCommand *parent = nullptr);
+    ~EventCreate();
+
+    void undo() override;
+    void redo() override;
+
+    bool mergeWith(const QUndoCommand *command) override { return false; }
+    int id() const override { return CommandId::ID_EventCreate; }
+
+private:
+    Map *map;
+    Event *event;
+    Editor *editor;
+};
+
+
+
+///
+class EventDelete : public QUndoCommand {
+public:
+    EventDelete(Editor *editor, Map *map, Event *event,
+        QUndoCommand *parent = nullptr);
+    ~EventDelete();
+
+    void undo() override;
+    void redo() override;
+
+    bool mergeWith(const QUndoCommand *command) override { return false; }
+    int id() const override { return CommandId::ID_EventDelete; }
+
+private:
+    Map *map;
+    Event *event;
+    Editor *editor;
+};
+
 #endif // EDITCOMMANDS_H

include/core/event.h

@@ -99,8 +99,15 @@ public:
     bool hFlip = false;
     bool usingSprite;
 
+    void activate() { active = true; }
+    void deactivate() { active = false; }
+    bool isActive() { return active; }
+
     DraggablePixmapItem *pixmapItem = nullptr;
     void setPixmapItem(DraggablePixmapItem *item) { pixmapItem = item; }
+
+private:
+    bool active = true;
 };
 
 #endif // EVENT_H

include/core/map.h

@@ -111,6 +111,7 @@ private:
 signals:
     void mapChanged(Map *map);
     void mapNeedsRedrawing();
+    void objectsChanged();
 };
 
 #endif // MAP_H

src/core/editcommands.cpp

@@ -2,6 +2,7 @@
 #include "mappixmapitem.h"
 #include "draggablepixmapitem.h"
 #include "bordermetatilespixmapitem.h"
+#include "editor.h"
 
 #include <QDebug>
 
@@ -321,4 +322,95 @@ bool EventMove::mergeWith(const QUndoCommand *command) {
     ************************************************************************
  ******************************************************************************/
 
+EventShift::EventShift(QList<Event *> events,
+    int deltaX, int deltaY, unsigned actionId,
+    QUndoCommand *parent) 
+  : EventMove(events, deltaX, deltaY, actionId, parent) {
+    setText("Shift Events");
+}
 
+EventShift::~EventShift() {}
+
+/******************************************************************************
+    ************************************************************************
+ ******************************************************************************/
+
+EventCreate::EventCreate(Editor *editor, Map *map, Event *event,
+    QUndoCommand *parent) : QUndoCommand(parent) {
+    //
+    setText("Create Event");
+
+    this->editor = editor;
+
+    this->map = map;
+    this->event = event;
+}
+
+EventCreate::~EventCreate() {}
+
+void EventCreate::redo() {
+    QUndoCommand::redo();
+
+    map->addEvent(event);
+    
+    editor->project->loadEventPixmaps(map->getAllEvents());
+    editor->addMapEvent(event);
+
+    map->objectsChanged();
+}
+
+void EventCreate::undo() {
+    //
+    map->removeEvent(event);
+
+    if (editor->scene->items().contains(event->pixmapItem)) {
+        editor->scene->removeItem(event->pixmapItem);
+    }
+    editor->selected_events->removeOne(event->pixmapItem);
+
+    map->objectsChanged();
+
+    QUndoCommand::undo();
+}
+
+/******************************************************************************
+    ************************************************************************
+ ******************************************************************************/
+
+EventDelete::EventDelete(Editor *editor, Map *map, Event *event,
+    QUndoCommand *parent) : QUndoCommand(parent) {
+    //
+    setText("Delete Event");
+
+    this->editor = editor;
+
+    this->map = map;
+    this->event = event;
+}
+
+EventDelete::~EventDelete() {}
+
+void EventDelete::redo() {
+    QUndoCommand::redo();
+
+    map->removeEvent(event);
+
+    if (editor->scene->items().contains(event->pixmapItem)) {
+        editor->scene->removeItem(event->pixmapItem);
+    }
+    editor->selected_events->removeOne(event->pixmapItem);
+
+    map->objectsChanged();
+}
+
+void EventDelete::undo() {
+    //
+    map->addEvent(event);
+    
+    editor->project->loadEventPixmaps(map->getAllEvents());
+    editor->addMapEvent(event);
+
+    map->objectsChanged();
+
+    QUndoCommand::undo();
+}

src/core/event.cpp

@@ -41,7 +41,7 @@ Event::Event(QJsonObject obj, QString type)
 
 Event* Event::createNewEvent(QString event_type, QString map_name, Project *project)
 {
-    Event *event = new Event;
+    Event *event = nullptr;
     if (event_type == EventType::Object) {
         event = createNewObjectEvent(project);
         event->setFrameFromMovement(event->get("movement_type"));
@@ -59,6 +59,9 @@ Event* Event::createNewEvent(QString event_type, QString map_name, Project *proj
         event = createNewHiddenItemEvent(project);
     } else if (event_type == EventType::SecretBase) {
         event = createNewSecretBaseEvent(project);
+    } else {
+        // should never be reached but just in case
+        event = new Event;
     }
 
     event->setX(0);

src/editor.cpp

@@ -7,6 +7,7 @@
 #include "currentselectedmetatilespixmapitem.h"
 #include "mapsceneeventfilter.h"
 #include "montabwidget.h"
+#include "editcommands.h"
 #include <QCheckBox>
 #include <QPainter>
 #include <QMouseEvent>
@@ -1081,9 +1082,11 @@ void Editor::mouseEvent_map(QGraphicsSceneMouseEvent *event, MapPixmapItem *item
             // do nothing here, at least for now
         } else if (obj_edit_mode == "shift" && item->map) {
             static QPoint selection_origin;
+            static unsigned actionId = 0;
 
             if (event->type() == QEvent::GraphicsSceneMouseRelease) {
                 // TODO: commit / update history here
+                actionId++;
             } else {
                 if (event->type() == QEvent::GraphicsSceneMousePress) {
                     selection_origin = QPoint(x, y);
@@ -1092,10 +1095,15 @@ void Editor::mouseEvent_map(QGraphicsSceneMouseEvent *event, MapPixmapItem *item
                         int xDelta = x - selection_origin.x();
                         int yDelta = y - selection_origin.y();
 
+                        QList<Event *> selectedEvents;
+
                         for (DraggablePixmapItem *item : *(getObjects())) {
-                            item->move(xDelta, yDelta);
+                            //item->move(xDelta, yDelta);
+                            selectedEvents.append(item->event);
                         }
                         selection_origin = QPoint(x, y);
+
+                        map->editHistory.push(new EventShift(selectedEvents, xDelta, yDelta, actionId));
                     }
                 }
             }
@@ -1845,10 +1853,9 @@ DraggablePixmapItem* Editor::addNewEvent(QString event_type) {
             project->healLocations.append(hl);
             event->put("index", project->healLocations.length());
         }
-        map->addEvent(event);
-        project->loadEventPixmaps(map->getAllEvents());
-        DraggablePixmapItem *object = addMapEvent(event);
-        return object;
+        map->editHistory.push(new EventCreate(this, map, event));
+        
+        return event->pixmapItem;
     }
     return nullptr;
 }

src/mainwindow.cpp

@@ -514,6 +514,7 @@ bool MainWindow::setMap(QString map_name, bool scrollTreeView) {
 
     connect(editor->map, SIGNAL(mapChanged(Map*)), this, SLOT(onMapChanged(Map *)));
     connect(editor->map, SIGNAL(mapNeedsRedrawing()), this, SLOT(onMapNeedsRedrawing()));
+    connect(editor->map, SIGNAL(objectsChanged()), this, SLOT(updateObjects()));
 
     setRecentMap(map_name);
     updateMapList();
@@ -2124,11 +2125,7 @@ void MainWindow::on_toolButton_deleteObject_clicked()
                             }
                         }
                     }
-                    editor->deleteEvent(item->event);
-                    if (editor->scene->items().contains(item)) {
-                        editor->scene->removeItem(item);
-                    }
-                    editor->selected_events->removeOne(item);
+                    editor->map->editHistory.push(new EventDelete(editor, editor->map, item->event));
                 }
                 else { // don't allow deletion of heal locations
                     logWarn(QString("Cannot delete event of type '%1'").arg(item->event->get("event_type")));