137 lines
2.8 KiB
C++
137 lines
2.8 KiB
C++
// Copyright (C) 2020 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Utility module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Utility/StaticMesh.hpp>
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#include <Nazara/Core/Error.hpp>
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#include <Nazara/Utility/Algorithm.hpp>
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#include <Nazara/Utility/VertexMapper.hpp>
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#include <Nazara/Utility/Debug.hpp>
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namespace Nz
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{
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StaticMesh::StaticMesh(VertexBuffer* vertexBuffer, const IndexBuffer* indexBuffer) :
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m_aabb(Nz::Boxf::Zero()),
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m_indexBuffer(indexBuffer),
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m_vertexBuffer(vertexBuffer)
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{
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NazaraAssert(m_vertexBuffer, "Invalid vertex buffer");
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}
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StaticMesh::StaticMesh(const Mesh* /*parent*/) :
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m_aabb(Nz::Boxf::Zero())
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{
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}
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StaticMesh::~StaticMesh()
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{
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OnStaticMeshRelease(this);
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Destroy();
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}
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void StaticMesh::Center()
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{
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Vector3f offset(m_aabb.x + m_aabb.width/2.f, m_aabb.y + m_aabb.height/2.f, m_aabb.z + m_aabb.depth/2.f);
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VertexMapper mapper(m_vertexBuffer);
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SparsePtr<Vector3f> position = mapper.GetComponentPtr<Vector3f>(VertexComponent_Position);
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unsigned int vertexCount = m_vertexBuffer->GetVertexCount();
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for (unsigned int i = 0; i < vertexCount; ++i)
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*position++ -= offset;
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m_aabb.x -= offset.x;
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m_aabb.y -= offset.y;
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m_aabb.z -= offset.z;
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}
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bool StaticMesh::Create(VertexBuffer* vertexBuffer)
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{
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Destroy();
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#if NAZARA_UTILITY_SAFE
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if (!vertexBuffer)
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{
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NazaraError("Invalid vertex buffer");
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return false;
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}
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#endif
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m_vertexBuffer = vertexBuffer;
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return true;
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}
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void StaticMesh::Destroy()
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{
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if (m_vertexBuffer)
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{
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OnStaticMeshDestroy(this);
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m_indexBuffer.Reset();
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m_vertexBuffer.Reset();
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}
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}
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bool StaticMesh::GenerateAABB()
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{
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// On lock le buffer pour itérer sur toutes les positions et composer notre AABB
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VertexMapper mapper(m_vertexBuffer, BufferAccess_ReadOnly);
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SetAABB(ComputeAABB(mapper.GetComponentPtr<const Vector3f>(VertexComponent_Position), m_vertexBuffer->GetVertexCount()));
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return true;
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}
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const Boxf& StaticMesh::GetAABB() const
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{
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return m_aabb;
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}
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AnimationType StaticMesh::GetAnimationType() const
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{
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return AnimationType_Static;
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}
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const IndexBuffer* StaticMesh::GetIndexBuffer() const
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{
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return m_indexBuffer;
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}
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VertexBuffer* StaticMesh::GetVertexBuffer()
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{
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return m_vertexBuffer;
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}
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const VertexBuffer* StaticMesh::GetVertexBuffer() const
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{
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return m_vertexBuffer;
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}
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std::size_t StaticMesh::GetVertexCount() const
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{
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return m_vertexBuffer->GetVertexCount();
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}
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bool StaticMesh::IsAnimated() const
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{
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return false;
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}
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bool StaticMesh::IsValid() const
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{
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return m_vertexBuffer != nullptr;
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}
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void StaticMesh::SetAABB(const Boxf& aabb)
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{
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m_aabb = aabb;
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OnSubMeshInvalidateAABB(this);
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}
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void StaticMesh::SetIndexBuffer(const IndexBuffer* indexBuffer)
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{
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m_indexBuffer = indexBuffer;
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}
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}
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