90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Development Kit"
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// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
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#include <NDK/Components/GraphicsComponent.hpp>
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#include <NDK/World.hpp>
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#include <NDK/Systems/RenderSystem.hpp>
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#include <NDK/Components/NodeComponent.hpp>
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namespace Ndk
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{
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void GraphicsComponent::InvalidateRenderableData(const Nz::InstancedRenderable* renderable, Nz::UInt32 flags, unsigned int index)
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{
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NazaraAssert(index < m_renderables.size(), "Invalid renderable index");
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NazaraUnused(renderable);
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Renderable& r = m_renderables[index];
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r.dataUpdated = false;
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r.renderable->InvalidateData(&r.data, flags);
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}
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void GraphicsComponent::OnAttached()
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{
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if (m_entity->HasComponent<NodeComponent>())
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m_nodeInvalidationSlot.Connect(m_entity->GetComponent<NodeComponent>().OnNodeInvalidation, this, &GraphicsComponent::OnNodeInvalidated);
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InvalidateTransformMatrix();
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}
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void GraphicsComponent::OnComponentAttached(BaseComponent& component)
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{
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if (IsComponent<NodeComponent>(component))
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{
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NodeComponent& nodeComponent = static_cast<NodeComponent&>(component);
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m_nodeInvalidationSlot.Connect(nodeComponent.OnNodeInvalidation, this, &GraphicsComponent::OnNodeInvalidated);
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InvalidateTransformMatrix();
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}
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}
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void GraphicsComponent::OnComponentDetached(BaseComponent& component)
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{
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if (IsComponent<NodeComponent>(component))
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{
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m_nodeInvalidationSlot.Disconnect();
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InvalidateTransformMatrix();
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}
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}
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void GraphicsComponent::OnDetached()
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{
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m_nodeInvalidationSlot.Disconnect();
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InvalidateTransformMatrix();
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}
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void GraphicsComponent::OnNodeInvalidated(const Nz::Node* node)
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{
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NazaraUnused(node);
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// Our view matrix depends on NodeComponent position/rotation
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InvalidateTransformMatrix();
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}
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void GraphicsComponent::UpdateBoundingVolume() const
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{
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EnsureTransformMatrixUpdate();
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m_boundingVolume.MakeNull();
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for (const Renderable& r : m_renderables)
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m_boundingVolume.ExtendTo(r.renderable->GetBoundingVolume());
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m_boundingVolume.Update(m_transformMatrix);
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m_boundingVolumeUpdated = true;
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}
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void GraphicsComponent::UpdateTransformMatrix() const
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{
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NazaraAssert(m_entity && m_entity->HasComponent<NodeComponent>(), "GraphicsComponent requires NodeComponent");
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Ndk::RenderSystem& renderSystem = m_entity->GetWorld()->GetSystem<Ndk::RenderSystem>();
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m_transformMatrix = Nz::Matrix4f::ConcatenateAffine(renderSystem.GetCoordinateSystemMatrix(), m_entity->GetComponent<NodeComponent>().GetTransformMatrix());
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m_transformMatrixUpdated = true;
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}
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ComponentIndex GraphicsComponent::componentIndex;
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}
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