127 lines
2.6 KiB
C++
127 lines
2.6 KiB
C++
// Copyright (C) 2015 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/BufferMapper.hpp>
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#include <Nazara/Utility/Mesh.hpp>
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#include <Nazara/Utility/VertexMapper.hpp>
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#include <stdexcept>
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#include <Nazara/Utility/Debug.hpp>
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NzStaticMesh::NzStaticMesh(const NzMesh* parent) :
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NzSubMesh(parent)
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{
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}
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NzStaticMesh::~NzStaticMesh()
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{
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OnStaticMeshRelease(this);
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Destroy();
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}
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void NzStaticMesh::Center()
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{
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NzVector3f 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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NzVertexMapper mapper(m_vertexBuffer);
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NzSparsePtr<NzVector3f> position = mapper.GetComponentPtr<NzVector3f>(nzVertexComponent_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 NzStaticMesh::Create(NzVertexBuffer* 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 NzStaticMesh::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 NzStaticMesh::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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NzVertexMapper mapper(m_vertexBuffer, nzBufferAccess_ReadOnly);
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m_aabb = NzComputeAABB(mapper.GetComponentPtr<const NzVector3f>(nzVertexComponent_Position), m_vertexBuffer->GetVertexCount());
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return true;
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}
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const NzBoxf& NzStaticMesh::GetAABB() const
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{
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return m_aabb;
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}
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nzAnimationType NzStaticMesh::GetAnimationType() const
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{
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return nzAnimationType_Static;
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}
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const NzIndexBuffer* NzStaticMesh::GetIndexBuffer() const
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{
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return m_indexBuffer;
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}
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NzVertexBuffer* NzStaticMesh::GetVertexBuffer()
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{
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return m_vertexBuffer;
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}
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const NzVertexBuffer* NzStaticMesh::GetVertexBuffer() const
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{
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return m_vertexBuffer;
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}
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unsigned int NzStaticMesh::GetVertexCount() const
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{
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return m_vertexBuffer->GetVertexCount();
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}
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bool NzStaticMesh::IsAnimated() const
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{
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return false;
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}
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bool NzStaticMesh::IsValid() const
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{
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return m_vertexBuffer != nullptr;
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}
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void NzStaticMesh::SetAABB(const NzBoxf& aabb)
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{
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m_aabb = aabb;
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}
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void NzStaticMesh::SetIndexBuffer(const NzIndexBuffer* indexBuffer)
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{
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m_indexBuffer = indexBuffer;
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}
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