NazaraEngine/src/Nazara/Graphics/Model.cpp

89 lines
2.8 KiB
C++

// Copyright (C) 2017 Jérôme Leclercq
// 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/Model.hpp>
#include <Nazara/Graphics/GraphicalMesh.hpp>
#include <Nazara/Graphics/Graphics.hpp>
#include <Nazara/Graphics/Material.hpp>
#include <Nazara/Graphics/WorldInstance.hpp>
#include <Nazara/Renderer/CommandBufferBuilder.hpp>
#include <Nazara/Graphics/Debug.hpp>
namespace Nz
{
Model::Model(std::shared_ptr<GraphicalMesh> graphicalMesh) :
m_graphicalMesh(std::move(graphicalMesh))
{
m_subMeshes.reserve(m_graphicalMesh->GetSubMeshCount());
for (std::size_t i = 0; i < m_graphicalMesh->GetSubMeshCount(); ++i)
{
auto& subMeshData = m_subMeshes.emplace_back();
//subMeshData.material = DefaultMaterial; //< TODO
subMeshData.vertexBufferData = {
{
0,
m_graphicalMesh->GetVertexDeclaration(i)
}
};
}
}
void Model::Draw(const std::string& pass, CommandBufferBuilder& commandBuffer) const
{
for (std::size_t i = 0; i < m_subMeshes.size(); ++i)
{
const auto& submeshData = m_subMeshes[i];
MaterialPass* materialPass = submeshData.material->GetPass(pass);
if (!materialPass)
continue;
const auto& indexBuffer = m_graphicalMesh->GetIndexBuffer(i);
const auto& vertexBuffer = m_graphicalMesh->GetVertexBuffer(i);
const auto& renderPipeline = materialPass->GetPipeline()->GetRenderPipeline(submeshData.vertexBufferData);
commandBuffer.BindShaderBinding(Graphics::MaterialBindingSet, materialPass->GetShaderBinding());
commandBuffer.BindIndexBuffer(indexBuffer.get());
commandBuffer.BindVertexBuffer(0, vertexBuffer.get());
commandBuffer.BindPipeline(*renderPipeline);
commandBuffer.DrawIndexed(static_cast<Nz::UInt32>(m_graphicalMesh->GetIndexCount(i)));
}
}
const std::shared_ptr<AbstractBuffer>& Model::GetIndexBuffer(std::size_t subMeshIndex) const
{
return m_graphicalMesh->GetIndexBuffer(subMeshIndex);
}
std::size_t Model::GetIndexCount(std::size_t subMeshIndex) const
{
return m_graphicalMesh->GetIndexCount(subMeshIndex);
}
const std::shared_ptr<Material>& Model::GetMaterial(std::size_t subMeshIndex) const
{
assert(subMeshIndex < m_subMeshes.size());
const auto& subMeshData = m_subMeshes[subMeshIndex];
return subMeshData.material;
}
std::size_t Model::GetMaterialCount() const
{
return m_subMeshes.size();
}
const std::vector<RenderPipelineInfo::VertexBufferData>& Model::GetVertexBufferData(std::size_t subMeshIndex) const
{
assert(subMeshIndex < m_subMeshes.size());
const auto& subMeshData = m_subMeshes[subMeshIndex];
return subMeshData.vertexBufferData;
}
const std::shared_ptr<AbstractBuffer>& Model::GetVertexBuffer(std::size_t subMeshIndex) const
{
return m_graphicalMesh->GetVertexBuffer(subMeshIndex);
}
}