VolumetricAnimation::VolumetricAnimation( UINT width, UINT height, std::wstring name ) :
DX12Framework( width, height, name ), m_frameIndex( 0 ), m_viewport(), m_scissorRect(), m_rtvDescriptorSize( 0 )
{
m_volumeWidth = 256;
m_volumeHeight = 256;
m_volumeDepth = 256;
ZeroMemory( &m_constantBufferData, sizeof( m_constantBufferData ) );
m_constantBufferData.colVal[0] = XMINT4( 1, 0, 0, 0 );
m_constantBufferData.colVal[1] = XMINT4( 0, 1, 0, 1 );
m_constantBufferData.colVal[2] = XMINT4( 0, 0, 1, 2 );
m_constantBufferData.colVal[3] = XMINT4( 1, 1, 0, 3 );
m_constantBufferData.colVal[4] = XMINT4( 1, 0, 1, 4 );
m_constantBufferData.colVal[5] = XMINT4( 0, 1, 1, 5 );
m_constantBufferData.bgCol = XMINT4( 64, 64, 64, 64 );
}
bool CAnimMesh::LoadAnimMeshFromXML( const char* fileName )
{
TiXmlDocument xml_Document;
if(xml_Document.LoadFile(fileName)== false)
return false;
TiXmlElement* model_element;
model_element = xml_Document.FirstChildElement("Model");
if(model_element == 0)
return false;
TiXmlElement* mesh_element;
mesh_element = model_element->FirstChildElement("Mesh");
if(mesh_element == 0)
return false;
TiXmlElement* vert_count_element;
TiXmlElement* poly_count_element;
vert_count_element = mesh_element->FirstChildElement("VertCount");
poly_count_element = mesh_element->FirstChildElement("PolyCount");
if(vert_count_element == 0 || poly_count_element==0)
return false;
m_nNumVerts = atoi(vert_count_element->GetText());
m_NumTriangles = atoi(poly_count_element->GetText());
m_pVerts = new tAnimVert[m_nNumVerts];//.resize(Num_Verts);
m_pFaces = new tTRIANGLE[m_NumTriangles];//.resize(Num_Polys);
TiXmlElement* vert_list_element;
vert_list_element = mesh_element->FirstChildElement("vertList");
TiXmlElement* poly_list_element;
poly_list_element = mesh_element->FirstChildElement("polyList");
if(vert_list_element==0 || poly_list_element==0)
return false;
TiXmlElement* vert_element;
unsigned int vertexID;
TiXmlElement* influences_element;
TiXmlElement* BoneInfluence_element;
unsigned int BoneIndices[4] = {0,0,0,0};
float BoneWeights[4] = {0,0,0,0};
int InfCount;
for ( vert_element = vert_list_element->FirstChildElement( "Vert" ); vert_element != 0; vert_element = vert_element->NextSiblingElement( ))
{
// Vertex Id
vertexID = atoi( vert_element->Attribute( "id" ));
// Vertex Pos
m_pVerts[vertexID].pos.x = ( float )atof( vert_element->FirstChildElement( "x" )->GetText( ));
m_pVerts[vertexID].pos.y = ( float )atof( vert_element->FirstChildElement( "y" )->GetText( ));
m_pVerts[vertexID].pos.z = ( float )atof( vert_element->FirstChildElement( "z" )->GetText( ));
// Vertex Normal
m_pVerts[vertexID].norm.x = ( float )atof( vert_element->FirstChildElement( "Nx" )->GetText( ));
m_pVerts[vertexID].norm.y = ( float )atof( vert_element->FirstChildElement( "Ny" )->GetText( ));
m_pVerts[vertexID].norm.z = ( float )atof( vert_element->FirstChildElement( "Nz" )->GetText( ));
// Vertex Texture Coordinate
m_pVerts[vertexID].UV.x = ( float )atof( vert_element->FirstChildElement( "Tu" )->GetText( ));
m_pVerts[vertexID].UV.y = ( float )atof( vert_element->FirstChildElement( "Tv" )->GetText( ));
//Bone Influences
influences_element = vert_element->FirstChildElement("influences");
if(influences_element == nullptr)
continue;
InfCount = 0;
//This should not be more than 4 bone influences / 4 bone weights
for(BoneInfluence_element = influences_element->FirstChildElement("influence");
BoneInfluence_element !=0;BoneInfluence_element= BoneInfluence_element->NextSiblingElement())
{
BoneIndices[InfCount] = atoi(BoneInfluence_element->FirstChildElement("index")->GetText());
BoneWeights[InfCount] = atof(BoneInfluence_element->FirstChildElement("weight")->GetText());
InfCount++;
}
//Now that we have our weights....we need to copy the info into XMFLOAT% data type
m_pVerts[vertexID].BoneIndex = XMINT4(BoneIndices[0],BoneIndices[1],BoneIndices[2],BoneIndices[3]);
m_pVerts[vertexID].BoneWeights = XMFLOAT4(BoneWeights[0],BoneWeights[1],BoneWeights[2],BoneWeights[3]);
}
TiXmlElement* polygon_element;
unsigned int triCounter = 0;
for ( polygon_element = poly_list_element->FirstChildElement( "Polygon" ); polygon_element != 0; polygon_element = polygon_element->NextSiblingElement( ))
{
m_pFaces[triCounter].points[2] = atoi( polygon_element->FirstChildElement( "i1" )->GetText( ));
m_pFaces[triCounter].points[1] = atoi( polygon_element->FirstChildElement( "i2" )->GetText( ));
m_pFaces[triCounter].points[0] = atoi( polygon_element->FirstChildElement( "i3" )->GetText( ));
triCounter++;
}
TiXmlElement* skeleton_element;
skeleton_element = model_element->FirstChildElement("Skeleton");
m_nNumBones = atoi(skeleton_element->Attribute( "numBones" ));
m_pBindPoseMats = new XMFLOAT4X4[m_nNumBones];
TiXmlElement* joint_element;
TiXmlElement* joint_transform_element;
TiXmlElement* axis_element;
vector<tBindPose> Skeleton;
//We'll use this vector to flatten the hierarchy
Skeleton.resize(m_nNumBones);
for ( joint_element = skeleton_element->FirstChildElement( "bone" ); joint_element != 0; joint_element = joint_element->NextSiblingElement( ))
{
int joint_index = atoi( joint_element->FirstChildElement( "name" )->Attribute( "index" ));
Skeleton[joint_index].BonesParent = atoi(joint_element->FirstChildElement("parentIndex")->GetText());
// Get the transform
joint_transform_element = joint_element->FirstChildElement( "localTransform" );
if ( joint_transform_element )
{
axis_element = joint_transform_element->FirstChildElement( "xAxis" );
Skeleton[joint_index].BoneBindPose._11= ( float )atof( axis_element->FirstChildElement( "x" )->GetText( ));
Skeleton[joint_index].BoneBindPose._12= ( float )atof( axis_element->FirstChildElement( "y" )->GetText( ));
Skeleton[joint_index].BoneBindPose._13=-1.0f * ( float )atof( axis_element->FirstChildElement( "z" )->GetText( ));
Skeleton[joint_index].BoneBindPose._14= ( float )atof( axis_element->FirstChildElement( "w" )->GetText( ));
axis_element = joint_transform_element->FirstChildElement( "yAxis" );
Skeleton[joint_index].BoneBindPose._21= ( float )atof( axis_element->FirstChildElement( "x" )->GetText( ));
Skeleton[joint_index].BoneBindPose._22= ( float )atof( axis_element->FirstChildElement( "y" )->GetText( ));
Skeleton[joint_index].BoneBindPose._23= -1.0f *( float )atof( axis_element->FirstChildElement( "z" )->GetText( ));
Skeleton[joint_index].BoneBindPose._24= ( float )atof( axis_element->FirstChildElement( "w" )->GetText( ));
axis_element = joint_transform_element->FirstChildElement( "zAxis" );
Skeleton[joint_index].BoneBindPose._31 = -1.0f *( float )atof( axis_element->FirstChildElement( "x" )->GetText( ));
Skeleton[joint_index].BoneBindPose._32 = -1.0f *( float )atof( axis_element->FirstChildElement( "y" )->GetText( ));
Skeleton[joint_index].BoneBindPose._33 = ( float )atof( axis_element->FirstChildElement( "z" )->GetText( ));
Skeleton[joint_index].BoneBindPose._34 = ( float )atof( axis_element->FirstChildElement( "w" )->GetText( ));
axis_element = joint_transform_element->FirstChildElement( "wAxis" );
Skeleton[joint_index].BoneBindPose._41 = ( float )atof( axis_element->FirstChildElement( "x" )->GetText( ));
Skeleton[joint_index].BoneBindPose._42 = ( float )atof( axis_element->FirstChildElement( "y" )->GetText( ));
Skeleton[joint_index].BoneBindPose._43 = -1.0f *( float )atof( axis_element->FirstChildElement( "z" )->GetText( ));
Skeleton[joint_index].BoneBindPose._44 = ( float )atof( axis_element->FirstChildElement( "w" )->GetText( ));
}
}
//this loop flattens the hierarchy
unsigned int size = Skeleton.size( );
unsigned int parent;
for (unsigned int i = 0; i < size; ++i )
{
XMMATRIX mResult = XMMatrixIdentity();
for ( parent = i; parent < size; parent = Skeleton[parent].BonesParent )
{
XMMATRIX mLocal = XMLoadFloat4x4(&Skeleton[parent].BoneBindPose);
//m = m * Skeleton[parent].BoneBindPose;
mResult = XMMatrixMultiply(mResult,mLocal);
}
XMStoreFloat4x4(&m_pBindPoseMats[i], mResult);
}
for(int i = 0 ; i< m_nNumBones; i++)
{
XMMATRIX mIdent = XMMatrixIdentity();
XMMATRIX mLocal = XMLoadFloat4x4(&m_pBindPoseMats[i]);
XMMATRIX mWorld;
mWorld = XMMatrixMultiply(mIdent, mLocal);
XMVECTOR determinat;
XMMATRIX BindInverse=XMMatrixInverse(&determinat,mWorld);
XMStoreFloat4x4(&m_pBindPoseMats[i], BindInverse);
}
return true;//we loaded the data
}
