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76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/*
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* GDevelop Core
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* Copyright 2008-2016 Florian Rival (Florian.Rival@gmail.com). All rights
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* reserved. This project is released under the MIT License.
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*/
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#pragma once
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#include "GDCore/Project/VariablesContainer.h"
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namespace gd {
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class ObjectsContainersList;
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class ObjectsContainer;
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class ObjectGroup;
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class VariablesContainer;
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struct VariablesChangeset;
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} // namespace gd
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namespace gd {
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/**
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* Help handling variables of group objects as a whole.
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*
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* This is used by the object group variable editor.
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*/
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class GD_CORE_API GroupVariableHelper {
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public:
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/**
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* Copy every variable from every object of the group to the other objects
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* if they don't have it already.
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*
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* In the editor, when an object group is created, users can choose between:
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* - doing no change and only see variables that are already shared by any
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* objects of the group
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* - applying this function and see every variable
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*/
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static void
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FillAnyVariableBetweenObjects(gd::ObjectsContainer &globalObjectsContainer,
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gd::ObjectsContainer &objectsContainer,
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const gd::ObjectGroup &objectGroup);
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/**
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* Build a variable container with the intersection of variables from the
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* every objects of the given group.
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*/
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static gd::VariablesContainer MergeVariableContainers(
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const gd::ObjectsContainersList &objectsContainersList,
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const gd::ObjectGroup &objectGroup);
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/**
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* @brief Copy the variables of the group to all objects.
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*
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* Objects can be added during the group edition and may not necessarily have
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* all the variables initially shared by the group.
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*
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* \see gd::GroupVariableHelper::MergeVariableContainers
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*/
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static void FillMissingGroupVariablesToObjects(
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gd::ObjectsContainer &globalObjectsContainer,
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gd::ObjectsContainer &objectsContainer,
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const gd::ObjectGroup &objectGroup,
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const gd::SerializerElement &originalSerializedVariables);
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/**
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* @brief Apply the changes done with the variables editor to the objects of
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* the group.
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*/
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static void
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ApplyChangesToObjects(gd::ObjectsContainer &globalObjectsContainers,
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gd::ObjectsContainer &objectsContainers,
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const gd::VariablesContainer &groupVariablesContainer,
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const gd::ObjectGroup &objectGroup,
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const gd::VariablesChangeset &changeset);
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};
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} // namespace gd
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