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Ndk/GraphicsComponent: Add BoundingVolume 

Former-commit-id: e053b21e5495e097a752c17bf2f9367f55b78d78
This commit is contained in:
Lynix 2016-03-26 01:38:30 +01:00
parent 2b9dcb47c0
commit dd87b9b115
3 changed files with 42 additions and 0 deletions
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7
SDK/include/NDK/Components/GraphicsComponent.hpp
View File

@ -26,11 +26,15 @@ namespace Ndk
inline void Attach(Nz::InstancedRenderableRef renderable, int renderOrder = 0);
inline void EnsureBoundingVolumeUpdate() const;
inline void EnsureTransformMatrixUpdate() const;
inline const Nz::BoundingVolumef& GetBoundingVolume() const;
static ComponentIndex componentIndex;
private:
inline void InvalidateBoundingVolume();
void InvalidateRenderableData(const Nz::InstancedRenderable* renderable, Nz::UInt32 flags, unsigned int index);
inline void InvalidateRenderables();
inline void InvalidateTransformMatrix();
@ -41,6 +45,7 @@ namespace Ndk
void OnDetached() override;
void OnNodeInvalidated(const Nz::Node* node);
void UpdateBoundingVolume() const;
void UpdateTransformMatrix() const;
NazaraSlot(Nz::Node, OnNodeInvalidation, m_nodeInvalidationSlot);
@ -61,7 +66,9 @@ namespace Ndk
};
std::vector<Renderable> m_renderables;
mutable Nz::BoundingVolumef m_boundingVolume;
mutable Nz::Matrix4f m_transformMatrix;
mutable bool m_boundingVolumeUpdated;
mutable bool m_transformMatrixUpdated;
};
}

23
SDK/include/NDK/Components/GraphicsComponent.inl
View File

@ -8,7 +8,9 @@ namespace Ndk
{
inline GraphicsComponent::GraphicsComponent(const GraphicsComponent& graphicsComponent) :
Component(graphicsComponent),
m_boundingVolume(graphicsComponent.m_boundingVolume),
m_transformMatrix(graphicsComponent.m_transformMatrix),
m_boundingVolumeUpdated(graphicsComponent.m_boundingVolumeUpdated),
m_transformMatrixUpdated(graphicsComponent.m_transformMatrixUpdated)
{
m_renderables.reserve(graphicsComponent.m_renderables.size());
@ -39,6 +41,14 @@ namespace Ndk
r.data.renderOrder = renderOrder;
r.renderable = std::move(renderable);
r.renderableInvalidationSlot.Connect(r.renderable->OnInstancedRenderableInvalidateData, std::bind(&GraphicsComponent::InvalidateRenderableData, this, std::placeholders::_1, std::placeholders::_2, m_renderables.size()-1));
InvalidateBoundingVolume();
}
inline void GraphicsComponent::EnsureBoundingVolumeUpdate() const
{
if (!m_boundingVolumeUpdated)
UpdateBoundingVolume();
}
inline void GraphicsComponent::EnsureTransformMatrixUpdate() const
@ -47,6 +57,18 @@ namespace Ndk
UpdateTransformMatrix();
}
inline const Nz::BoundingVolumef& GraphicsComponent::GetBoundingVolume() const
{
EnsureBoundingVolumeUpdate();
return m_boundingVolume;
}
inline void GraphicsComponent::InvalidateBoundingVolume()
{
m_boundingVolumeUpdated = false;
}
inline void GraphicsComponent::InvalidateRenderables()
{
for (Renderable& r : m_renderables)
@ -55,6 +77,7 @@ namespace Ndk
inline void GraphicsComponent::InvalidateTransformMatrix()
{
m_boundingVolumeUpdated = false;
m_transformMatrixUpdated = false;
InvalidateRenderables();

12
SDK/src/NDK/Components/GraphicsComponent.cpp
View File

@ -63,6 +63,18 @@ namespace Ndk
InvalidateTransformMatrix();
}
void GraphicsComponent::UpdateBoundingVolume() const
{
EnsureTransformMatrixUpdate();
m_boundingVolume.MakeNull();
for (const Renderable& r : m_renderables)
m_boundingVolume.ExtendTo(r.renderable->GetBoundingVolume());
m_boundingVolume.Update(m_transformMatrix);
m_boundingVolumeUpdated = true;
}
void GraphicsComponent::UpdateTransformMatrix() const
{
NazaraAssert(m_entity && m_entity->HasComponent<NodeComponent>(), "GraphicsComponent requires NodeComponent");