NazaraEngine/src/Nazara/Utility/SubMesh.cpp

73 lines
1.7 KiB
C++

// Copyright (C) 2012 Jérôme Leclercq
// This file is part of the "Nazara Engine - Utility module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Utility/SubMesh.hpp>
#include <Nazara/Core/Error.hpp>
#include <Nazara/Core/String.hpp>
#include <Nazara/Utility/Config.hpp>
#include <Nazara/Utility/Mesh.hpp>
#include <stdexcept>
#include <Nazara/Utility/Debug.hpp>
NzSubMesh::NzSubMesh(const NzMesh* parent) :
NzResource(false), // Un SubMesh n'est pas persistant par défaut
m_parent(parent)
{
#ifdef NAZARA_DEBUG
if (!m_parent)
{
NazaraError("Parent mesh must be valid");
throw std::invalid_argument("Parent mesh must be valid");
}
#endif
}
NzSubMesh::~NzSubMesh() = default;
void NzSubMesh::Animate(unsigned int frameA, unsigned int frameB, float interpolation)
{
#if NAZARA_UTILITY_SAFE
if (!m_parent->HasAnimation())
{
NazaraError("Parent mesh has no animation");
return;
}
unsigned int frameCount = m_parent->GetFrameCount();
if (frameA >= frameCount)
{
NazaraError("Frame A is out of range (" + NzString::Number(frameA) + " >= " + NzString::Number(frameCount) + ')');
return;
}
if (frameB >= frameCount)
{
NazaraError("Frame B is out of range (" + NzString::Number(frameB) + " >= " + NzString::Number(frameCount) + ')');
return;
}
#endif
#ifdef NAZARA_DEBUG
if (interpolation < 0.f || interpolation > 1.f)
{
NazaraError("Interpolation must be in range [0..1] (Got " + NzString::Number(interpolation) + ')');
return;
}
#endif
AnimateImpl(frameA, frameB, interpolation);
m_parent->InvalidateAABB();
}
const NzMesh* NzSubMesh::GetParent() const
{
return m_parent;
}
unsigned int NzSubMesh::GetVertexCount() const
{
return GetVertexBuffer()->GetVertexCount();
}