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#include "SceneSelectionTesters.h"
#include "iscenegraph.h"
#include "SelectionTestWalkers.h"
#include "selection/EntitiesFirstSelector.h"
#include "selection/SelectionPool.h"
namespace selection
{
SelectionTesterBase::SelectionTesterBase(const NodePredicate& nodePredicate) :
_nodePredicate(nodePredicate)
{}
bool SelectionTesterBase::nodeIsEligible(const scene::INodePtr& node) const
{
return _nodePredicate ? _nodePredicate(node) : true;
}
void SelectionTesterBase::testNode(const scene::INodePtr& node, SelectionTestWalker& tester)
{
if (nodeIsEligible(node))
{
tester.testNode(node);
}
}
bool SelectionTesterBase::hasSelectables() const
{
return !_selectables.empty();
}
void SelectionTesterBase::foreachSelectable(const std::function<void(ISelectable*)>& functor)
{
for (auto selectable : _selectables)
{
functor(selectable);
}
}
void SelectionTesterBase::testSelectScene(const VolumeTest& view, SelectionTest& test)
{
// Forward to the specialised overload using an empty predicate
testSelectSceneWithFilter(view, test, [](ISelectable*) { return true; });
}
void SelectionTesterBase::storeSelectable(ISelectable* selectable)
{
_selectables.push_back(selectable);
}
void SelectionTesterBase::storeSelectablesInPool(Selector& selector,
const std::function<bool(ISelectable*)>& predicate)
{
selector.foreachSelectable([&](auto selectable)
{
if (predicate(selectable))
{
storeSelectable(selectable);
}
});
}
PrimitiveSelectionTester::PrimitiveSelectionTester(const NodePredicate& nodePredicate) :
SelectionTesterBase(nodePredicate)
{}
void PrimitiveSelectionTester::testSelectSceneWithFilter(const VolumeTest& view, SelectionTest& test,
const std::function<bool(ISelectable*)>& predicate)
{
SelectionPool simplePool;
EntitiesFirstSelector sortedPool;
// Sort entities before primitives if required, by referencing the correct selector
auto& targetPool = !view.fill() && higherEntitySelectionPriority() ?
static_cast<Selector&>(sortedPool) : simplePool;
AnySelector anyTester(targetPool, test);
GlobalSceneGraph().foreachVisibleNodeInVolume(view, [&](const scene::INodePtr& node)
{
testNode(node, anyTester);
return true;
});
storeSelectablesInPool(targetPool, predicate);
}
bool PrimitiveSelectionTester::higherEntitySelectionPriority() const
{
return registry::getValue<bool>(RKEY_HIGHER_ENTITY_PRIORITY);
}
EntitySelectionTester::EntitySelectionTester(const NodePredicate& nodePredicate) :
SelectionTesterBase(nodePredicate)
{}
void EntitySelectionTester::testSelectSceneWithFilter(const VolumeTest& view, SelectionTest& test,
const std::function<bool(ISelectable*)>& predicate)
{
SelectionPool selector;
EntitySelector tester(selector, test);
GlobalSceneGraph().foreachVisibleNodeInVolume(view, [&](const scene::INodePtr& node)
{
testNode(node, tester);
return true;
});
storeSelectablesInPool(selector, predicate);
}
GroupChildPrimitiveSelectionTester::GroupChildPrimitiveSelectionTester(const NodePredicate& nodePredicate) :
SelectionTesterBase(nodePredicate)
{}
void GroupChildPrimitiveSelectionTester::testSelectSceneWithFilter(const VolumeTest& view, SelectionTest& test,
const std::function<bool(ISelectable*)>& predicate)
{
SelectionPool selector;
GroupChildPrimitiveSelector tester(selector, test);
GlobalSceneGraph().foreachVisibleNodeInVolume(view, [&](const scene::INodePtr& node)
{
testNode(node, tester);
return true;
});
storeSelectablesInPool(selector, predicate);
}
MergeActionSelectionTester::MergeActionSelectionTester(const NodePredicate& nodePredicate) :
SelectionTesterBase(nodePredicate)
{}
void MergeActionSelectionTester::testSelectSceneWithFilter(const VolumeTest& view, SelectionTest& test,
const std::function<bool(ISelectable*)>& predicate)
{
SelectionPool selector;
MergeActionSelector tester(selector, test);
GlobalSceneGraph().foreachVisibleNodeInVolume(view, [&](const scene::INodePtr& node)
{
testNode(node, tester);
return true;
});
storeSelectablesInPool(selector, predicate);
}
ComponentSelectionTester::ComponentSelectionTester(SelectionSystem& selectionSystem, const NodePredicate& nodePredicate) :
SelectionTesterBase(nodePredicate),
_selectionSystem(selectionSystem)
{}
void ComponentSelectionTester::testSelectSceneWithFilter(const VolumeTest& view, SelectionTest& test,
const std::function<bool(ISelectable*)>& predicate)
{
SelectionPool selector;
ComponentSelector tester(selector, test, _selectionSystem.ComponentMode());
_selectionSystem.foreachSelected([&](const scene::INodePtr& node)
{
testNode(node, tester);
});
storeSelectablesInPool(selector, predicate);
}
}
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