public void InverseNodeTransform(NodeTransform[] node_array)
{
Util.Matrix vert_transform = new Util.Matrix();
//Microsoft.DirectX.Matrix vert_transform = new Microsoft.DirectX.Matrix();
//Microsoft.DirectX.Vector3 vec = new Microsoft.DirectX.Vector3();
for (int v = 0; v < m_ModelVerts.Length; v++)
{
if (m_ModelVerts[v].node1_index != -1)
{
vert_transform = node_array[m_ModelVerts[v].node1_index].m_absolute;
//inverse transform positions
vert_transform.TranslateVect(ref m_ModelVerts[v].it_pos[0],
ref m_ModelVerts[v].it_pos[1],
ref m_ModelVerts[v].it_pos[2]);
vert_transform.inverseRotateVect(ref m_ModelVerts[v].it_pos[0],
ref m_ModelVerts[v].it_pos[1],
ref m_ModelVerts[v].it_pos[2]);
//inverse transform normals
vert_transform.TranslateVect(ref m_ModelVerts[v].it_norm[0],
ref m_ModelVerts[v].it_norm[1],
ref m_ModelVerts[v].it_norm[2]);
vert_transform.inverseRotateVect(ref m_ModelVerts[v].it_norm[0],
ref m_ModelVerts[v].it_norm[1],
ref m_ModelVerts[v].it_norm[2]);
}
}
}
public void UpdateKeyframe(Animations Ani)
{
Util.Matrix vert_transform = new Util.Matrix();
//copy new nodes into local node structure
for (int n = 0; n < m_Model.m_Nodes.Length; n++)
{
Ani.GetAnimationNode(n, ref m_AniNodes[n].Translation, ref m_AniNodes[n].Rotation);
}
ProcessNodeOrientation(0);
//TODO: update local mesh buffers (DX buffers are updated during draw)
for (int n = 0; n < m_Model.m_Nodes.Length; n++)
{
//Update node locations for our "debug" viewer
m_Model.NodeTransforms[n].m_FinalNode[0] = 0;
m_Model.NodeTransforms[n].m_FinalNode[1] = 0;
m_Model.NodeTransforms[n].m_FinalNode[2] = 0;
vert_transform = m_Model.NodeTransforms[n].m_absolute;
vert_transform.inverseRotateVect(ref m_Model.NodeTransforms[n].m_FinalNode[0],
ref m_Model.NodeTransforms[n].m_FinalNode[1],
ref m_Model.NodeTransforms[n].m_FinalNode[2]);
vert_transform.inverseTranslateVect(m_Model.NodeTransforms[n].m_FinalNode);
}
//Perform transform operations on active permutation/LOD to save CPU
int geo_index = 0;
int perm_index = 0;
for (int region = 0; region < m_Model.m_Regions.Length; region++)
{
geo_index = m_Model.m_Regions[region].Permutations[perm_index].LodMeshIndex[(int)m_Model.LevelOfDetail];
for (int m = 0; m < m_Model.m_MeshList[geo_index].Length; m++)
{
m_Model.m_MeshList[geo_index][m].NodeTransform(m_Model.NodeTransforms);
}
}
}
