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Graphics: Add frustum culling

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Former-commit-id: 2741c465f9acb4a190de0a29db4a3853700461fd [formerly be67ee144fe577767a11be40f79f3f2e85d030c0] [formerly 302a6d2c8a3222401890d217f01c24a03db9ebc8 [formerly 762367a1144c340b84b61eee9d7577dcdaf717c6]]
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Former-commit-id: 75d1deaf21035eb1b630705017462b9e059149a9
This commit is contained in:
Lynix
2016-09-06 13:30:05 +02:00
parent 4345d540bb
commit 01330dcfdf
11 changed files with 732 additions and 78 deletions
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81
SDK/src/NDK/Components/GraphicsComponent.cpp
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@@ -15,6 +15,62 @@ namespace Ndk
* \brief NDK class that represents the component for graphics
*/
/*!
* \brief Adds the renderable elements to the render queue
*
* \param renderQueue Queue to be added
*/
void GraphicsComponent::AddToRenderQueue(Nz::AbstractRenderQueue* renderQueue) const
{
EnsureTransformMatrixUpdate();
RenderSystem& renderSystem = m_entity->GetWorld()->GetSystem<RenderSystem>();
for (const Renderable& object : m_renderables)
{
if (!object.dataUpdated)
{
object.data.transformMatrix = Nz::Matrix4f::ConcatenateAffine(renderSystem.GetCoordinateSystemMatrix(), Nz::Matrix4f::ConcatenateAffine(object.data.localMatrix, m_transformMatrix));
object.renderable->UpdateData(&object.data);
object.dataUpdated = true;
}
object.renderable->AddToRenderQueue(renderQueue, object.data);
}
}
/*!
* \brief Attaches a renderable to the entity
*
* \param renderable Reference to a renderable element
* \param renderOrder Render order of the element
*/
void GraphicsComponent::Attach(Nz::InstancedRenderableRef renderable, int renderOrder)
{
return Attach(renderable, Nz::Matrix4f::Identity(), renderOrder);
}
/*!
* \brief Attaches a renderable to the entity with a specific matrix
*
* \param renderable Reference to a renderable element
* \param localMatrix Local matrix that will be applied to the instanced renderable
* \param renderOrder Render order of the element
*/
void GraphicsComponent::Attach(Nz::InstancedRenderableRef renderable, const Nz::Matrix4f& localMatrix, int renderOrder)
{
m_renderables.emplace_back(m_transformMatrix);
Renderable& r = m_renderables.back();
r.data.localMatrix = localMatrix;
r.data.renderOrder = renderOrder;
r.renderable = std::move(renderable);
r.renderableBoundingVolumeInvalidationSlot.Connect(r.renderable->OnInstancedRenderableInvalidateBoundingVolume, [this] (const Nz::InstancedRenderable*) { InvalidateBoundingVolume(); });
r.renderableDataInvalidationSlot.Connect(r.renderable->OnInstancedRenderableInvalidateData, std::bind(&GraphicsComponent::InvalidateRenderableData, this, std::placeholders::_1, std::placeholders::_2, m_renderables.size() - 1));
r.renderableReleaseSlot.Connect(r.renderable->OnInstancedRenderableRelease, this, &GraphicsComponent::Detach);
InvalidateBoundingVolume();
}
/*!
* \brief Invalidates the data for renderable
*
@@ -115,10 +171,29 @@ namespace Ndk
m_boundingVolume.MakeNull();
for (const Renderable& r : m_renderables)
m_boundingVolume.ExtendTo(r.renderable->GetBoundingVolume());
{
Nz::BoundingVolumef boundingVolume = r.renderable->GetBoundingVolume();
m_boundingVolume.Update(m_transformMatrix);
// Adjust renderable bounding volume by local matrix
if (boundingVolume.IsFinite())
{
Nz::Boxf localBox = boundingVolume.obb.localBox;
Nz::Vector3f newPos = r.data.localMatrix * localBox.GetPosition();
Nz::Vector3f newLengths = r.data.localMatrix * localBox.GetLengths();
boundingVolume.Set(Nz::Boxf(newPos.x, newPos.y, newPos.z, newLengths.x, newLengths.y, newLengths.z));
}
m_boundingVolume.ExtendTo(r.renderable->GetBoundingVolume());
}
RenderSystem& renderSystem = m_entity->GetWorld()->GetSystem<RenderSystem>();
m_boundingVolume.Update(Nz::Matrix4f::ConcatenateAffine(renderSystem.GetCoordinateSystemMatrix(), m_transformMatrix));
m_boundingVolumeUpdated = true;
for (VolumeCullingEntry& entry : m_volumeCullingEntries)
entry.listEntry.UpdateVolume(m_boundingVolume);
}
/*!
@@ -131,8 +206,6 @@ namespace Ndk
{
NazaraAssert(m_entity && m_entity->HasComponent<NodeComponent>(), "GraphicsComponent requires NodeComponent");
Ndk::RenderSystem& renderSystem = m_entity->GetWorld()->GetSystem<Ndk::RenderSystem>();
m_transformMatrix = m_entity->GetComponent<NodeComponent>().GetTransformMatrix();
m_transformMatrixUpdated = true;
}