Make events (besides objects with valid sprites) partially transparent (#86)

* Make events transparent

* Change which events are transparent

include/core/event.h

@@ -79,6 +79,7 @@ public:
     QPixmap pixmap;
     int spriteWidth;
     int spriteHeight;
+    bool usingSprite;
 };
 
 #endif // EVENT_H

src/core/event.cpp

@@ -14,6 +14,7 @@ Event::Event()
 {
     this->spriteWidth = 16;
     this->spriteHeight = 16;
+    this->usingSprite = false;
 }
 
 Event* Event::createNewEvent(QString event_type, QString map_name)
@@ -242,4 +243,5 @@ void Event::setPixmapFromSpritesheet(QImage spritesheet, int spriteWidth, int sp
     pixmap = QPixmap::fromImage(img);
     this->spriteWidth = spriteWidth;
     this->spriteHeight = spriteHeight;
+    this->usingSprite = true;
 }

src/editor.cpp

@@ -711,6 +711,9 @@ void Editor::displayMapEvents() {
 
 DraggablePixmapItem *Editor::addMapEvent(Event *event) {
     DraggablePixmapItem *object = new DraggablePixmapItem(event, this);
+    if (!event->usingSprite) {
+        object->setOpacity(0.7);
+    }
     events_group->addToGroup(object);
     return object;
 }

src/project.cpp

@@ -1616,6 +1616,7 @@ void Project::loadEventPixmaps(QList<Event*> objects) {
 
         object->spriteWidth = 16;
         object->spriteHeight = 16;
+        object->usingSprite = false;
         QString event_type = object->get("event_type");
         if (event_type == EventType::Object) {
             object->pixmap = QPixmap(":/images/Entities_16x16.png").copy(0, 0, 16, 16);