NazaraEngine/src/Nazara/Graphics/SkeletonInstance.cpp

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2.8 KiB
C++

// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Graphics module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Graphics/SkeletonInstance.hpp>
#include <Nazara/Core/Error.hpp>
#include <Nazara/Graphics/Graphics.hpp>
#include <Nazara/Graphics/PredefinedShaderStructs.hpp>
#include <Nazara/Renderer/CommandBufferBuilder.hpp>
#include <Nazara/Renderer/RenderFrame.hpp>
#include <Nazara/Renderer/UploadPool.hpp>
#include <Nazara/Utility/Joint.hpp>
#include <Nazara/Graphics/Debug.hpp>
namespace Nz
{
SkeletonInstance::SkeletonInstance(std::shared_ptr<const Skeleton> skeleton) :
m_skeleton(std::move(skeleton)),
m_dataInvalided(true)
{
NazaraAssert(m_skeleton, "invalid skeleton");
PredefinedSkeletalData skeletalUboOffsets = PredefinedSkeletalData::GetOffsets();
m_skeletalDataBuffer = Graphics::Instance()->GetRenderDevice()->InstantiateBuffer(BufferType::Uniform, skeletalUboOffsets.totalSize, BufferUsage::DeviceLocal | BufferUsage::Dynamic | BufferUsage::Write);
m_skeletalDataBuffer->UpdateDebugName("Skeletal data");
m_onSkeletonJointsInvalidated.Connect(m_skeleton->OnSkeletonJointsInvalidated, [this](const Skeleton*)
{
m_dataInvalided = true;
OnTransferRequired(this);
});
}
SkeletonInstance::SkeletonInstance(SkeletonInstance&& skeletonInstance) noexcept :
m_skeletalDataBuffer(std::move(skeletonInstance.m_skeletalDataBuffer)),
m_skeleton(std::move(skeletonInstance.m_skeleton)),
m_dataInvalided(skeletonInstance.m_dataInvalided)
{
m_onSkeletonJointsInvalidated.Connect(m_skeleton->OnSkeletonJointsInvalidated, [this](const Skeleton*)
{
m_dataInvalided = true;
OnTransferRequired(this);
});
}
void SkeletonInstance::OnTransfer(RenderFrame& renderFrame, CommandBufferBuilder& builder)
{
if (!m_dataInvalided)
return;
PredefinedSkeletalData skeletalUboOffsets = PredefinedSkeletalData::GetOffsets();
auto& allocation = renderFrame.GetUploadPool().Allocate(m_skeletalDataBuffer->GetSize());
Matrix4f* matrices = AccessByOffset<Matrix4f*>(allocation.mappedPtr, skeletalUboOffsets.jointMatricesOffset);
for (std::size_t i = 0; i < m_skeleton->GetJointCount(); ++i)
matrices[i] = m_skeleton->GetJoint(i)->GetSkinningMatrix();
builder.CopyBuffer(allocation, m_skeletalDataBuffer.get());
m_dataInvalided = false;
}
SkeletonInstance& SkeletonInstance::operator=(SkeletonInstance&& skeletonInstance) noexcept
{
m_skeletalDataBuffer = std::move(skeletonInstance.m_skeletalDataBuffer);
m_skeleton = std::move(skeletonInstance.m_skeleton);
m_dataInvalided = skeletonInstance.m_dataInvalided;
m_onSkeletonJointsInvalidated.Connect(m_skeleton->OnSkeletonJointsInvalidated, [this](const Skeleton*)
{
m_dataInvalided = true;
OnTransferRequired(this);
});
return *this;
}
}