NazaraEngine/SDK/src/NDK/Components/GraphicsComponent.cpp

90 lines
2.6 KiB
C++

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