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#include "TextureToolSceneGraph.h"
#include "iselection.h"
#include "ibrush.h"
#include "ipatch.h"
#include "module/StaticModule.h"
#include "selectionlib.h"
#include "selection/algorithm/Primitives.h"
#include "FaceNode.h"
#include "PatchNode.h"
namespace textool
{
TextureToolSceneGraph::TextureToolSceneGraph() :
_selectionNeedsRescan(true),
_activeMaterialNeedsRescan(true)
{}
const std::string& TextureToolSceneGraph::getName() const
{
static std::string _name(MODULE_TEXTOOL_SCENEGRAPH);
return _name;
}
const StringSet& TextureToolSceneGraph::getDependencies() const
{
static StringSet _dependencies{ MODULE_SELECTIONSYSTEM };
return _dependencies;
}
void TextureToolSceneGraph::initialiseModule(const IApplicationContext& ctx)
{
_sceneSelectionChanged = GlobalSelectionSystem().signal_selectionChanged().connect(
sigc::mem_fun(this, &TextureToolSceneGraph::onSceneSelectionChanged)
);
_textureChangedHandler = GlobalRadiantCore().getMessageBus().addListener(
radiant::IMessage::Type::TextureChanged,
radiant::TypeListener<radiant::TextureChangedMessage>(
sigc::mem_fun(this, &TextureToolSceneGraph::onTextureChanged)));
}
void TextureToolSceneGraph::shutdownModule()
{
_selectionNeedsRescan = false;
_activeMaterialNeedsRescan = false;
clearFaceObservers();
_nodes.clear();
_sceneSelectionChanged.disconnect();
GlobalRadiantCore().getMessageBus().removeListener(_textureChangedHandler);
}
void TextureToolSceneGraph::foreachNode(const std::function<bool(const INode::Ptr&)>& functor)
{
ensureSceneIsAnalysed();
for (const auto& node : _nodes)
{
if (!functor(node))
{
break;
}
}
}
const std::string& TextureToolSceneGraph::getActiveMaterial()
{
ensureSceneIsAnalysed();
return _activeMaterial;
}
void TextureToolSceneGraph::ensureSceneIsAnalysed()
{
// First, check if the material has changed
if (_activeMaterialNeedsRescan)
{
_activeMaterialNeedsRescan = false;
auto material = selection::getShaderFromSelection();
if (material != _activeMaterial)
{
_activeMaterial = std::move(material);
// The material changed, we need to rebuild the nodes
_selectionNeedsRescan = true;
}
}
if (!_selectionNeedsRescan) return;
_selectionNeedsRescan = false;
clearFaceObservers();
_nodes.clear();
// No unique material, leave everything empty
if (_activeMaterial.empty()) return;
if (GlobalSelectionSystem().countSelectedComponents() > 0)
{
selection::algorithm::forEachSelectedFaceComponent([&](IFace& face)
{
createFaceNode(face);
});
}
GlobalSelectionSystem().foreachSelected([&](const scene::INodePtr& node)
{
if (Node_isBrush(node))
{
auto brush = Node_getIBrush(node);
assert(brush);
for (auto i = 0; i < brush->getNumFaces(); ++i)
{
createFaceNode(brush->getFace(i));
}
}
else if (Node_isPatch(node))
{
_nodes.emplace_back(std::make_shared<PatchNode>(*Node_getIPatch(node)));
}
});
}
void TextureToolSceneGraph::clearFaceObservers()
{
for (auto& conn : _faceObservers)
{
conn.disconnect();
}
_faceObservers.clear();
}
void TextureToolSceneGraph::createFaceNode(IFace& face)
{
_nodes.emplace_back(std::make_shared<FaceNode>(face));
// When faces are destroyed, the selection is out of date, queue a rescan
_faceObservers.emplace_back(face.signal_faceDestroyed().connect(
[this]() { _selectionNeedsRescan = true; }
));
}
void TextureToolSceneGraph::onSceneSelectionChanged(const ISelectable& selectable)
{
// Mark our own selection as dirty
_activeMaterialNeedsRescan = true;
_selectionNeedsRescan = true;
}
void TextureToolSceneGraph::onTextureChanged(radiant::TextureChangedMessage& msg)
{
_activeMaterialNeedsRescan = true;
}
module::StaticModuleRegistration<TextureToolSceneGraph> _textureToolSceneGraphModule;
}
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