VertexMapper::VertexMapper(SubMesh* subMesh, BufferAccess access)
{
ErrorFlags flags(ErrorFlag_ThrowException, true);
VertexBuffer* buffer = nullptr;
switch (subMesh->GetAnimationType())
{
case AnimationType_Skeletal:
{
SkeletalMesh* skeletalMesh = static_cast<SkeletalMesh*>(subMesh);
buffer = skeletalMesh->GetVertexBuffer();
break;
}
case AnimationType_Static:
{
StaticMesh* staticMesh = static_cast<StaticMesh*>(subMesh);
buffer = staticMesh->GetVertexBuffer();
break;
}
}
if (!buffer)
{
NazaraInternalError("Animation type not handled (0x" + String::Number(subMesh->GetAnimationType(), 16) + ')');
}
m_mapper.Map(buffer, access);
}
void Mesh::Transform(const Matrix4f& matrix)
{
#if NAZARA_UTILITY_SAFE
if (!m_impl)
{
NazaraError("Mesh not created");
return;
}
if (m_impl->animationType != AnimationType_Static)
{
NazaraError("Mesh must be static");
return;
}
#endif
if (matrix.IsIdentity())
return;
for (SubMesh* subMesh : m_impl->subMeshes)
{
StaticMesh* staticMesh = static_cast<StaticMesh*>(subMesh);
BufferMapper<VertexBuffer> mapper(staticMesh->GetVertexBuffer(), BufferAccess_ReadWrite);
MeshVertex* vertices = static_cast<MeshVertex*>(mapper.GetPointer());
Boxf aabb(vertices->position.x, vertices->position.y, vertices->position.z, 0.f, 0.f, 0.f);
unsigned int vertexCount = staticMesh->GetVertexCount();
for (unsigned int i = 0; i < vertexCount; ++i)
{
vertices->position = matrix.Transform(vertices->position);
aabb.ExtendTo(vertices->position);
vertices++;
}
staticMesh->SetAABB(aabb);
}
// Il ne faut pas oublier d'invalider notre AABB
m_impl->aabbUpdated = false;
}
void Mesh::Recenter()
{
#if NAZARA_UTILITY_SAFE
if (!m_impl)
{
NazaraError("Mesh not created");
return;
}
if (m_impl->animationType != AnimationType_Static)
{
NazaraError("Mesh must be static");
return;
}
#endif
// Le centre de notre mesh est le centre de l'AABB *globale*
Vector3f center = GetAABB().GetCenter();
for (SubMesh* subMesh : m_impl->subMeshes)
{
StaticMesh* staticMesh = static_cast<StaticMesh*>(subMesh);
BufferMapper<VertexBuffer> mapper(staticMesh->GetVertexBuffer(), BufferAccess_ReadWrite);
MeshVertex* vertices = static_cast<MeshVertex*>(mapper.GetPointer());
unsigned int vertexCount = staticMesh->GetVertexCount();
for (unsigned int i = 0; i < vertexCount; ++i)
{
vertices->position -= center;
vertices++;
}
// l'AABB ne change pas de dimensions mais seulement de position, appliquons-lui le même procédé
Boxf aabb = staticMesh->GetAABB();
aabb.Translate(-center);
staticMesh->SetAABB(aabb);
}
// Il ne faut pas oublier d'invalider notre AABB
m_impl->aabbUpdated = false;
}
