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TextureToolSelectionSystem.cpp
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TextureToolSelectionSystem.cpp
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#include "TextureToolSelectionSystem.h"
#include "itextstream.h"
#include "iradiant.h"
#include "module/StaticModule.h"
#include "../textool/TextureToolRotateManipulator.h"
#include "../textool/TextureToolDragManipulator.h"
#include "selection/SelectionPool.h"
#include "string/case_conv.h"
namespace textool
{
const std::string& TextureToolSelectionSystem::getName() const
{
static std::string _name(MODULE_TEXTOOL_SELECTIONSYSTEM);
return _name;
}
const StringSet& TextureToolSelectionSystem::getDependencies() const
{
static StringSet _dependencies{ MODULE_TEXTOOL_SCENEGRAPH,
MODULE_COMMANDSYSTEM, MODULE_RADIANT_CORE };
return _dependencies;
}
void TextureToolSelectionSystem::initialiseModule(const IApplicationContext& ctx)
{
rMessage() << getName() << "::initialiseModule called." << std::endl;
_mode = SelectionMode::Surface;
_manipulationPivot.setFromMatrix(Matrix4::getIdentity());
registerManipulator(std::make_shared<TextureToolRotateManipulator>(_manipulationPivot));
registerManipulator(std::make_shared<TextureToolDragManipulator>());
_defaultManipulatorType = selection::IManipulator::Drag;
setActiveManipulator(_defaultManipulatorType);
GlobalCommandSystem().addCommand("ToggleTextureToolManipulatorMode",
std::bind(&TextureToolSelectionSystem::toggleManipulatorModeCmd, this, std::placeholders::_1),
{ cmd::ARGTYPE_STRING });
GlobalCommandSystem().addCommand("ToggleTextureToolSelectionMode",
std::bind(&TextureToolSelectionSystem::toggleSelectionModeCmd, this, std::placeholders::_1),
{ cmd::ARGTYPE_STRING });
_unselectListener = GlobalRadiantCore().getMessageBus().addListener(
radiant::IMessage::Type::UnselectSelectionRequest,
radiant::TypeListener<selection::UnselectSelectionRequest>(
sigc::mem_fun(this, &TextureToolSelectionSystem::handleUnselectRequest)));
}
void TextureToolSelectionSystem::shutdownModule()
{
clearComponentSelection();
clearSelection();
GlobalRadiantCore().getMessageBus().removeListener(_unselectListener);
_sigSelectionChanged.clear();
_sigSelectionModeChanged.clear();
_sigActiveManipulatorChanged.clear();
_manipulators.clear();
}
SelectionMode TextureToolSelectionSystem::getMode() const
{
return _mode;
}
void TextureToolSelectionSystem::setMode(SelectionMode mode)
{
if (mode != _mode)
{
_mode = mode;
_sigSelectionModeChanged.emit(_mode);
_manipulationPivot.setUserLocked(false);
_manipulationPivot.setNeedsRecalculation(true);
}
}
void TextureToolSelectionSystem::toggleSelectionMode(SelectionMode mode)
{
// Switch back to Surface mode if toggling a non-default mode again
if (mode == _mode && mode != SelectionMode::Surface)
{
// Toggle back to Surface mode
toggleSelectionMode(SelectionMode::Surface);
}
else
{
// setMode will only do something if we're not already in the target mode
setMode(mode);
}
}
sigc::signal<void, SelectionMode>& TextureToolSelectionSystem::signal_selectionModeChanged()
{
return _sigSelectionModeChanged;
}
void TextureToolSelectionSystem::toggleManipulatorModeCmd(const cmd::ArgumentList& args)
{
if (args.size() != 1)
{
rWarning() << "Usage: ToggleTextureToolManipulatorMode <manipulator>" << std::endl;
rWarning() << " with <manipulator> being one of the following: " << std::endl;
rWarning() << " Drag" << std::endl;
rWarning() << " Rotate" << std::endl;
return;
}
auto manip = string::to_lower_copy(args[0].getString());
if (manip == "drag")
{
toggleManipulatorModeById(getManipulatorIdForType(selection::IManipulator::Drag));
}
else if (manip == "rotate")
{
toggleManipulatorModeById(getManipulatorIdForType(selection::IManipulator::Rotate));
}
}
void TextureToolSelectionSystem::toggleSelectionModeCmd(const cmd::ArgumentList& args)
{
if (args.size() != 1)
{
rWarning() << "Usage: ToggleTextureToolSelectionMode <mode>" << std::endl;
rWarning() << " with <mode> being one of the following: " << std::endl;
rWarning() << " Surface" << std::endl;
rWarning() << " Vertex" << std::endl;
return;
}
auto manip = string::to_lower_copy(args[0].getString());
if (manip == "surface")
{
toggleSelectionMode(SelectionMode::Surface);
}
else if (manip == "vertex")
{
toggleSelectionMode(SelectionMode::Vertex);
}
}
void TextureToolSelectionSystem::foreachSelectedNode(const std::function<bool(const INode::Ptr&)>& functor)
{
GlobalTextureToolSceneGraph().foreachNode([&](const INode::Ptr& node)
{
if (node->isSelected())
{
return functor(node);
}
return true;
});
}
void TextureToolSelectionSystem::foreachSelectedComponentNode(const std::function<bool(const INode::Ptr&)>& functor)
{
GlobalTextureToolSceneGraph().foreachNode([&](const INode::Ptr& node)
{
auto componentSelectable = std::dynamic_pointer_cast<IComponentSelectable>(node);
if (componentSelectable && componentSelectable->hasSelectedComponents())
{
return functor(node);
}
return true;
});
}
void TextureToolSelectionSystem::foreachSelectedNodeOfAnyType(const std::function<bool(const INode::Ptr&)>& functor)
{
if (getMode() == SelectionMode::Surface)
{
foreachSelectedNode(functor);
}
else
{
foreachSelectedComponentNode(functor);
}
}
std::size_t TextureToolSelectionSystem::countSelected()
{
std::size_t count = 0;
foreachSelectedNode([&](const INode::Ptr& node)
{
++count;
return true;
});
return count;
}
std::size_t TextureToolSelectionSystem::countSelectedComponentNodes()
{
std::size_t count = 0;
foreachSelectedComponentNode([&](const INode::Ptr& node)
{
++count;
return true;
});
return count;
}
sigc::signal<void>& TextureToolSelectionSystem::signal_selectionChanged()
{
return _sigSelectionChanged;
}
void TextureToolSelectionSystem::clearSelection()
{
foreachSelectedNode([&](const INode::Ptr& node)
{
node->setSelected(false);
return true;
});
}
void TextureToolSelectionSystem::clearComponentSelection()
{
foreachSelectedComponentNode([&](const INode::Ptr& node)
{
auto componentSelectable = std::dynamic_pointer_cast<IComponentSelectable>(node);
if (componentSelectable)
{
componentSelectable->clearComponentSelection();
}
return true;
});
}
void TextureToolSelectionSystem::handleUnselectRequest(selection::UnselectSelectionRequest& request)
{
if (getMode() == SelectionMode::Vertex)
{
if (countSelectedComponentNodes() > 0)
{
clearComponentSelection();
}
else // no selection, just switch modes
{
setMode(SelectionMode::Surface);
}
request.setHandled(true);
}
else
{
if (countSelected() > 0)
{
clearSelection();
request.setHandled(true);
}
}
}
std::size_t TextureToolSelectionSystem::registerManipulator(const selection::ITextureToolManipulator::Ptr& manipulator)
{
std::size_t newId = 1;
while (_manipulators.count(newId) > 0)
{
++newId;
if (newId == std::numeric_limits<std::size_t>::max())
{
throw std::runtime_error("Out of manipulator IDs");
}
}
_manipulators.emplace(newId, manipulator);
manipulator->setId(newId);
if (!_activeManipulator)
{
_activeManipulator = manipulator;
}
return newId;
}
void TextureToolSelectionSystem::unregisterManipulator(const selection::ITextureToolManipulator::Ptr& manipulator)
{
for (auto i = _manipulators.begin(); i != _manipulators.end(); ++i)
{
if (i->second == manipulator)
{
i->second->setId(0);
_manipulators.erase(i);
return;
}
}
}
selection::IManipulator::Type TextureToolSelectionSystem::getActiveManipulatorType()
{
return _activeManipulator->getType();
}
const selection::ITextureToolManipulator::Ptr& TextureToolSelectionSystem::getActiveManipulator()
{
return _activeManipulator;
}
void TextureToolSelectionSystem::setActiveManipulator(std::size_t manipulatorId)
{
auto found = _manipulators.find(manipulatorId);
if (found == _manipulators.end())
{
rError() << "Cannot activate non-existent manipulator ID " << manipulatorId << std::endl;
return;
}
_activeManipulator = found->second;
// Release the user lock when switching manipulators
_manipulationPivot.setUserLocked(false);
_manipulationPivot.updateFromSelection();
}
void TextureToolSelectionSystem::setActiveManipulator(selection::IManipulator::Type manipulatorType)
{
for (const auto& pair : _manipulators)
{
if (pair.second->getType() == manipulatorType)
{
_activeManipulator = pair.second;
// Release the user lock when switching manipulators
_manipulationPivot.setUserLocked(false);
_manipulationPivot.updateFromSelection();
return;
}
}
rError() << "Cannot activate non-existent manipulator by type " << manipulatorType << std::endl;
}
std::size_t TextureToolSelectionSystem::getManipulatorIdForType(selection::IManipulator::Type type)
{
for (const auto& pair : _manipulators)
{
if (pair.second->getType() == type)
{
return pair.first;
}
}
return 0;
}
void TextureToolSelectionSystem::toggleManipulatorModeById(std::size_t manipId)
{
std::size_t defaultManipId = getManipulatorIdForType(_defaultManipulatorType);
if (defaultManipId == 0)
{
return;
}
// Switch back to the default mode if we're already in <mode>
if (_activeManipulator->getId() == manipId && defaultManipId != manipId)
{
toggleManipulatorModeById(defaultManipId);
}
else if (_activeManipulator->getId() != manipId) // switch, if we're not in <mode> yet
{
setActiveManipulator(manipId);
_sigActiveManipulatorChanged.emit(getActiveManipulatorType());
}
}
Matrix4 TextureToolSelectionSystem::getPivot2World()
{
// For now, we recalculate the whole thing every time it is requested
_manipulationPivot.setNeedsRecalculation(true);
return _manipulationPivot.getMatrix4();
}
void TextureToolSelectionSystem::onManipulationStart()
{
// Save the pivot state now that the transformation is starting
_manipulationPivot.beginOperation();
foreachSelectedNodeOfAnyType([&](const INode::Ptr& node)
{
node->beginTransformation();
return true;
});
}
void TextureToolSelectionSystem::onManipulationChanged()
{
}
void TextureToolSelectionSystem::onManipulationFinished()
{
foreachSelectedNodeOfAnyType([&](const INode::Ptr& node)
{
node->commitTransformation();
return true;
});
getActiveManipulator()->setSelected(false);
_manipulationPivot.endOperation();
}
void TextureToolSelectionSystem::onManipulationCancelled()
{
foreachSelectedNodeOfAnyType([&](const INode::Ptr& node)
{
node->revertTransformation();
return true;
});
}
sigc::signal<void, selection::IManipulator::Type>& TextureToolSelectionSystem::signal_activeManipulatorChanged()
{
return _sigActiveManipulatorChanged;
}
void TextureToolSelectionSystem::selectPoint(SelectionTest& test, SelectionSystem::EModifier modifier)
{
selection::SelectionPool selectionPool;
performSelectionTest(selectionPool, test);
if (selectionPool.empty()) return;
auto bestSelectable = *selectionPool.begin();
switch (modifier)
{
case SelectionSystem::eToggle:
bestSelectable.second->setSelected(!bestSelectable.second->isSelected());
break;
case SelectionSystem::eReplace:
bestSelectable.second->setSelected(bestSelectable.second->isSelected());
break;
case SelectionSystem::eCycle:
{
// Cycle through the selection pool and activate the item right after the currently selected
auto i = selectionPool.begin();
while (i != selectionPool.end())
{
if (i->second->isSelected())
{
// unselect the currently selected one
i->second->setSelected(false);
// check if there is a "next" item in the list, if not: select the first item
++i;
if (i != selectionPool.end())
{
i->second->setSelected(true);
}
else
{
selectionPool.begin()->second->setSelected(true);
}
break;
}
++i;
}
}
break;
}
}
void TextureToolSelectionSystem::selectArea(SelectionTest& test, SelectionSystem::EModifier modifier)
{
selection::SelectionPool selectionPool;
performSelectionTest(selectionPool, test);
for (const auto& pair : selectionPool)
{
pair.second->setSelected(!pair.second->isSelected());
}
}
void TextureToolSelectionSystem::performSelectionTest(Selector& selector, SelectionTest& test)
{
GlobalTextureToolSceneGraph().foreachNode([&](const INode::Ptr& node)
{
if (getMode() == SelectionMode::Surface)
{
node->testSelect(selector, test);
}
else
{
auto componentSelectable = std::dynamic_pointer_cast<IComponentSelectable>(node);
if (componentSelectable)
{
componentSelectable->testSelectComponents(selector, test);
}
}
return true;
});
}
void TextureToolSelectionSystem::onNodeSelectionChanged(ISelectable& selectable)
{
_sigSelectionChanged.emit();
}
void TextureToolSelectionSystem::onComponentSelectionChanged(ISelectable& selectable)
{
_sigSelectionChanged.emit();
}
module::StaticModule<TextureToolSelectionSystem> _textureToolSelectionSystemModule;
}