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o3de/Code/Tools/SceneAPI/SceneData/GraphData/BlendShapeData.cpp

292 lines
13 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include <AzCore/Casting/numeric_cast.h>
#include <SceneAPI/SceneData/GraphData/BlendShapeData.h>
#include <AzCore/Serialization/SerializeContext.h>
#include <AzCore/RTTI/BehaviorContext.h>
#include <AzCore/std/containers/bitset.h>
namespace AZ
{
AZ_TYPE_INFO_SPECIALIZE(SceneAPI::DataTypes::IBlendShapeData::Face, "{C972EC9A-3A5C-47CD-9A92-ECB4C0C0451C}");
namespace SceneData
{
namespace GraphData
{
namespace DataTypes = SceneAPI::DataTypes;
BlendShapeData::~BlendShapeData() = default;
void BlendShapeData::Reflect(ReflectContext* context)
{
SerializeContext* serializeContext = azrtti_cast<SerializeContext*>(context);
if (serializeContext)
{
serializeContext->Class<BlendShapeData, SceneAPI::DataTypes::IBlendShapeData>()
->Version(1);
}
BehaviorContext* behaviorContext = azrtti_cast<BehaviorContext*>(context);
if (behaviorContext)
{
behaviorContext->Class<SceneAPI::DataTypes::IBlendShapeData>()
->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::ListOnly)
->Attribute(AZ::Script::Attributes::Scope, AZ::Script::Attributes::ScopeFlags::Common)
->Attribute(AZ::Script::Attributes::Module, "scene")
->Method("GetUsedControlPointCount", &SceneAPI::DataTypes::IBlendShapeData::GetUsedControlPointCount)
->Method("GetControlPointIndex", &SceneAPI::DataTypes::IBlendShapeData::GetControlPointIndex)
->Method("GetUsedPointIndexForControlPoint", &SceneAPI::DataTypes::IBlendShapeData::GetUsedPointIndexForControlPoint)
->Method("GetVertexCount", &SceneAPI::DataTypes::IBlendShapeData::GetVertexCount)
->Method("GetFaceCount", &SceneAPI::DataTypes::IBlendShapeData::GetFaceCount)
->Method("GetFaceInfo", &SceneAPI::DataTypes::IBlendShapeData::GetFaceInfo)
->Method("GetPosition", &SceneAPI::DataTypes::IBlendShapeData::GetPosition)
->Method("GetNormal", &SceneAPI::DataTypes::IBlendShapeData::GetNormal)
->Method("GetFaceVertexIndex", &SceneAPI::DataTypes::IBlendShapeData::GetFaceVertexIndex);
behaviorContext->Class<SceneAPI::DataTypes::IBlendShapeData::Face>("BlendShapeDataFace")
->Attribute(AZ::Script::Attributes::Scope, AZ::Script::Attributes::ScopeFlags::Common)
->Attribute(AZ::Script::Attributes::Module, "scene")
->Method("GetVertexIndex", [](const SceneAPI::DataTypes::IBlendShapeData::Face& self, int index)
{
if (index >= 0 && index < 3)
{
return self.vertexIndex[index];
}
return aznumeric_cast<unsigned int>(0);
});
behaviorContext->Class<BlendShapeData>()
->Attribute(AZ::Script::Attributes::Scope, AZ::Script::Attributes::ScopeFlags::Common)
->Attribute(AZ::Script::Attributes::Module, "scene")
->Method("GetUV", &BlendShapeData::GetUV)
->Method("GetTangent", [](const BlendShapeData& self, size_t index)
{
if (index < self.GetTangents().size())
{
return self.GetTangents().at(index);
}
AZ_Error("SceneGraphData", false, "Cannot get to tangent at index(%zu)", index);
return Vector4::CreateZero();
})
->Method("GetBitangent", [](const BlendShapeData& self, size_t index)
{
if (index < self.GetBitangents().size())
{
return self.GetBitangents().at(index);
}
AZ_Error("SceneGraphData", false, "Cannot get to bitangents at index(%zu)", index);
return Vector3::CreateZero();
})
->Method("GetColor", [](const BlendShapeData& self, AZ::u8 colorSetIndex, AZ::u8 colorIndex)
{
SceneAPI::DataTypes::Color color(0,0,0,0);
if (colorSetIndex < MaxNumColorSets)
{
const AZStd::vector<SceneAPI::DataTypes::Color>& colorChannel = self.GetColors(colorSetIndex);
if (colorIndex < colorChannel.size())
{
return colorChannel[colorIndex];
}
}
AZ_Error("SceneGraphData", false, "Cannot get to color setIndex(%d) at colorIndex(%d)", colorSetIndex, colorIndex);
return color;
});
}
}
void BlendShapeData::AddPosition(const Vector3& position)
{
m_positions.push_back(position);
}
void BlendShapeData::AddNormal(const Vector3& normal)
{
m_normals.push_back(normal);
}
void BlendShapeData::AddTangentAndBitangent(const Vector4& tangent, const Vector3& bitangent)
{
m_tangents.push_back(tangent);
m_bitangents.push_back(bitangent);
}
void BlendShapeData::AddUV(const Vector2& uv, AZ::u8 uvSetIndex)
{
if (uvSetIndex >= MaxNumUVSets)
{
AZ_ErrorOnce("SceneGraphData", false, "uvSetIndex %zu is greater or equal than the maximum uv sets %zu.", uvSetIndex, MaxNumUVSets);
return;
}
m_uvs[uvSetIndex].push_back(uv);
}
void BlendShapeData::AddColor(const SceneAPI::DataTypes::Color& color, AZ::u8 colorSetIndex)
{
if (colorSetIndex >= MaxNumColorSets)
{
AZ_ErrorOnce("SceneGraphData", false, "colorSetIndex %zu is greater or equal than the maximum color sets %zu.", colorSetIndex, MaxNumColorSets);
return;
}
m_colors[colorSetIndex].push_back(color);
}
void BlendShapeData::ReserveData(
unsigned int numVertices, bool reserveTangents, const AZStd::bitset<MaxNumUVSets>& uvSetUsedFlags,
const AZStd::bitset<MaxNumColorSets>& colorSetUsedFlags)
{
m_positions.reserve(numVertices);
m_normals.reserve(numVertices);
if (reserveTangents)
{
m_tangents.reserve(numVertices);
m_bitangents.reserve(numVertices);
}
for (AZ::u8 uvSetIndex = 0; uvSetIndex < MaxNumUVSets; ++uvSetIndex)
{
if (uvSetUsedFlags[uvSetIndex])
{
m_uvs[uvSetIndex].reserve(numVertices);
}
}
for (AZ::u8 colorSetIndex = 0; colorSetIndex < MaxNumColorSets; ++colorSetIndex)
{
if (colorSetUsedFlags[colorSetIndex])
{
m_colors[colorSetIndex].reserve(numVertices);
}
}
}
void BlendShapeData::AddFace(const Face& face)
{
m_faces.push_back(face);
}
void BlendShapeData::SetVertexIndexToControlPointIndexMap(int vertexIndex, int controlPointIndex)
{
m_vertexIndexToControlPointIndexMap[vertexIndex] = controlPointIndex;
// The above hashmap stores the control point index (value) per vertex (key).
// We construct an unordered set and fill in the control point indices in order to get access to the number of unique control points indices.
m_controlPointToUsedVertexIndexMap.emplace(controlPointIndex, aznumeric_cast<unsigned int>(m_controlPointToUsedVertexIndexMap.size()));
}
int BlendShapeData::GetControlPointIndex(int vertexIndex) const
{
auto iter = m_vertexIndexToControlPointIndexMap.find(vertexIndex);
AZ_Assert(iter != m_vertexIndexToControlPointIndexMap.end(), "Vertex index %i doesn't exist.", vertexIndex);
// Note: AZStd::unordered_map's operator [] doesn't have const version...
return iter->second;
}
size_t BlendShapeData::GetUsedControlPointCount() const
{
return m_controlPointToUsedVertexIndexMap.size();
}
int BlendShapeData::GetUsedPointIndexForControlPoint(int controlPointIndex) const
{
auto iter = m_controlPointToUsedVertexIndexMap.find(controlPointIndex);
if (iter != m_controlPointToUsedVertexIndexMap.end())
{
return iter->second;
}
else
{
return -1; // That control point is not used in this mesh
}
}
unsigned int BlendShapeData::GetVertexCount() const
{
return static_cast<unsigned int>(m_positions.size());
}
unsigned int BlendShapeData::GetFaceCount() const
{
return static_cast<unsigned int>(m_faces.size());
}
const BlendShapeData::Face& BlendShapeData::GetFaceInfo(unsigned int index) const
{
AZ_Assert(index < m_faces.size(), "GetFaceInfo index not in range");
return m_faces[index];
}
const Vector3& BlendShapeData::GetPosition(unsigned int index) const
{
AZ_Assert(index < m_positions.size(), "GetPosition index not in range");
return m_positions[index];
}
const Vector3& BlendShapeData::GetNormal(unsigned int index) const
{
AZ_Assert(index < m_normals.size(), "GetNormal index not in range");
return m_normals[index];
}
const Vector2& BlendShapeData::GetUV(unsigned int vertexIndex, unsigned int uvSetIndex) const
{
AZ_Assert(uvSetIndex < MaxNumUVSets, "uvSet index out of range");
AZ_Assert(vertexIndex < m_uvs[uvSetIndex].size(), "uvSet index out of range");
return m_uvs[uvSetIndex][vertexIndex];
}
AZStd::vector<Vector4>& BlendShapeData::GetTangents()
{
return m_tangents;
}
const AZStd::vector<Vector4>& BlendShapeData::GetTangents() const
{
return m_tangents;
}
AZStd::vector<Vector3>& BlendShapeData::GetBitangents()
{
return m_bitangents;
}
const AZStd::vector<Vector3>& BlendShapeData::GetBitangents() const
{
return m_bitangents;
}
const AZStd::vector<Vector2>& BlendShapeData::GetUVs(AZ::u8 uvSetIndex) const
{
AZ_Assert(uvSetIndex < MaxNumUVSets, "uvSet index out of range");
return m_uvs[uvSetIndex];
}
const AZStd::vector<SceneAPI::DataTypes::Color>& BlendShapeData::GetColors(AZ::u8 colorSetIndex) const
{
AZ_Assert(colorSetIndex < MaxNumColorSets, "colorSet index out of range");
return m_colors[colorSetIndex];
}
unsigned int BlendShapeData::GetFaceVertexIndex(unsigned int face, unsigned int vertexIndex) const
{
AZ_Assert(face < m_faces.size(), "GetFaceVertexPositionIndex face index not in range");
AZ_Assert(vertexIndex < 3, "GetFaceVertexPositionIndex vertexIndex index not in range");
return m_faces[face].vertexIndex[vertexIndex];
}
void BlendShapeData::GetDebugOutput(SceneAPI::Utilities::DebugOutput& output) const
{
output.Write("Positions", m_positions);
output.Write("Normals", m_normals);
output.Write("Faces", m_faces);
}
} // GraphData
} // SceneData
} // AZ