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#include "ModelScaleManipulator.h"
#include "debugging/ScenegraphUtils.h"
namespace selection
{
ModelScaleManipulator::ModelScaleManipulator(ManipulationPivot& pivot) :
_pivot(pivot),
_renderableAABBs(_aabbs),
_renderableCornerPoints(_aabbs)
{
}
ModelScaleManipulator::~ModelScaleManipulator()
{
clearRenderables();
}
ModelScaleManipulator::Type ModelScaleManipulator::getType() const
{
return Type::ModelScale;
}
ModelScaleManipulator::Component* ModelScaleManipulator::getActiveComponent()
{
return &_scaleComponent;
}
void ModelScaleManipulator::testSelect(SelectionTest& test, const Matrix4& pivot2world)
{
_curManipulatable.reset();
_scaleComponent.setEntityNode(scene::INodePtr());
_scaleComponent.setScalePivot(Vector3(0, 0, 0));
foreachSelectedTransformable([&](const scene::INodePtr& node, Entity* entity)
{
if (_curManipulatable) return; // already done here
const AABB& aabb = node->worldAABB();
Vector3 points[8];
aabb.getCorners(points);
for (std::size_t i = 0; i < 8; ++i)
{
if (test.getVolume().TestPoint(points[i]))
{
_curManipulatable = node;
// We use the opposite corner as scale pivot
Vector3 scalePivot = aabb.origin * 2 - points[i];
_scaleComponent.setEntityNode(node);
_scaleComponent.setScalePivot(scalePivot);
break;
}
}
});
}
void ModelScaleManipulator::setSelected(bool select)
{
_curManipulatable.reset();
_scaleComponent.setEntityNode(scene::INodePtr());
}
bool ModelScaleManipulator::isSelected() const
{
return _curManipulatable != nullptr;
}
void ModelScaleManipulator::onPreRender(const RenderSystemPtr& renderSystem, const VolumeTest& volume)
{
if (!renderSystem)
{
clearRenderables();
_aabbs.clear();
return;
}
if (!_lineShader)
{
_lineShader = renderSystem->capture(BuiltInShaderType::ManipulatorWireframe);
}
if (!_pointShader)
{
_pointShader = renderSystem->capture(BuiltInShaderType::BigPoint);
}
_aabbs.clear();
foreachSelectedTransformable([&](const scene::INodePtr& node, Entity* entity)
{
_aabbs.push_back(node->worldAABB());
});
_renderableCornerPoints.setColour(isSelected() ? COLOUR_SELECTED() : COLOUR_SCREEN());
_renderableCornerPoints.queueUpdate();
_renderableAABBs.queueUpdate();
_renderableAABBs.update(_lineShader);
_renderableCornerPoints.update(_pointShader);
}
void ModelScaleManipulator::render(IRenderableCollector& collector, const VolumeTest& volume)
{
}
void ModelScaleManipulator::clearRenderables()
{
_renderableCornerPoints.clear();
_renderableAABBs.clear();
_lineShader.reset();
}
void ModelScaleManipulator::foreachSelectedTransformable(
const std::function<void(const scene::INodePtr&, Entity*)>& functor)
{
GlobalSelectionSystem().foreachSelected([&](const scene::INodePtr& node)
{
Entity* entity = Node_getEntity(node);
if (entity && entity->isModel())
{
functor(node, entity);
}
});
}
}
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