Mario editor: use visitors

mario/edit_box.cpp

@@ -0,0 +1,19 @@
+#include "edit_box.hpp"
+
+EditBox::EditBox(int x, int y, std::shared_ptr<SDLPP::Renderer> renderer) : SDLPP::RectangleRender(BLOCK_SIZE + x*BLOCK_SIZE, 4*BLOCK_SIZE + y*BLOCK_SIZE, BLOCK_SIZE, BLOCK_SIZE, renderer) {
+    _x = x;
+    _y = y;
+    setId(EDITOR_EDIT_SQUARE);
+    setColiderColor("#FF00AA");
+    setPermanent();
+    setAlignment(SDLPP::OBJ_CENTER, SDLPP::OBJ_CENTER);
+    addCollision(SDLPP::RectColider(0,0,1,1));
+}
+
+SDLPP::Vec2D<int> EditBox::getIndexes() const {
+    return {_x, _y};
+}
+
+void EditBox::visit( SDLPP::Visitor &visitor ) {
+    visitor.visit( *this );
+}