public static bool EqualsWithoutFlagTest(AMT_VERTEX v1, AMT_VERTEX v2)
{
if ((v1.BoneIndices == null && v2.BoneIndices != null ||
v1.BoneIndices != null && v2.BoneIndices == null) ||
(v1.BoneWeights == null && v2.BoneWeights != null ||
v1.BoneWeights != null && v2.BoneWeights == null))
{
return(true);
}
if (v1.BoneIndices != null && v1.BoneWeights != null)
{
for (int i = 0; i < 4; i++)
{
if (v1.BoneIndices[i] != v2.BoneIndices[i] ||
v1.BoneWeights[i] != v2.BoneWeights[i])
{
return(false);
}
}
}
if (v1.Position != v2.Position ||
v1.TexCoord1 != v2.TexCoord1 ||
v1.TexCoord2 != v2.TexCoord2 ||
v1.Normal != v2.Normal)
{
return(false);
}
return(true);
}
private void ConvertMesh(XElement meshElement, XElement triangles, ref AMT_MODEL amtModel)
{
//pega o mesh atual
uint meshID = (uint)amtModel.Meshes.Count - 1;
AMT_MESH mesh = amtModel.Meshes[amtModel.Meshes.Count - 1];
//ja armazena o numero de faces do mesh
mesh.NumFaces = int.Parse(triangles.Attribute("count").Value);
//pega os inputs vertex, normal, texcoord etc
List<XElement> inputs = triangles.Elements(XName.Get("input", Namespace)).ToList();
XElement vertex = inputs.Find(item => { return item.Attribute("semantic").Value == "VERTEX"; });
XElement normal = inputs.Find(item => { return item.Attribute("semantic").Value == "NORMAL"; });
XElement texcoord = inputs.Find(item => { return item.Attribute("semantic").Value == "TEXCOORD"; });
//elementos que tem na tag vertices, procurar o id = vertex.source
List<XElement> verticesElements = meshElement.Elements(XName.Get("vertices", Namespace)).ToList();
XElement verticeElement = verticesElements.Find(item => { return item.Attribute("id").Value == vertex.Attribute("source").Value.Substring(1); });
//agora com o vertice certo pega o position
List<XElement> inputsVerticesElement = verticeElement.Elements(XName.Get("input", Namespace)).ToList();
XElement position = inputsVerticesElement.Find(item => { return item.Attribute("semantic").Value == "POSITION"; });
//agora é so carregar os dados dos sources conforme os id dos inputs position, normal, texcoord
List<XElement> sources = meshElement.Elements(XName.Get("source", Namespace)).ToList();
XElement sourcePosition = sources.Find(item => { return item.Attribute("id").Value == position.Attribute("source").Value.Substring(1); });
XElement sourceNormal = sources.Find(item => { return item.Attribute("id").Value == normal.Attribute("source").Value.Substring(1); });
XElement sourceTexcoord = sources.Find(item => { return item.Attribute("id").Value == texcoord.Attribute("source").Value.Substring(1); });
//pega os indices e junta tudo em um unico string
List<XElement> ps = triangles.Elements(XName.Get("p", Namespace)).ToList();
string indices = null;
foreach (var item in ps)
indices += ' ' + item.Value;
//separa todos os indices usando os offsets
string[] strIndices = indices.Replace('\n', ' ').Trim().Split(' ');
List<int> positionIndices = new List<int>();
int positionOffset = int.Parse(vertex.Attribute("offset").Value);
List<int> normalIndices = new List<int>();
int normalOffset = int.Parse(normal.Attribute("offset").Value);
List<int> texcoordIndices = new List<int>();
int texcoordOffset = int.Parse(texcoord.Attribute("offset").Value);
for (int i = 0; i < strIndices.Length; i += sources.Count)
{
positionIndices.Add(int.Parse(strIndices[i + positionOffset]));
normalIndices.Add(int.Parse(strIndices[i + normalOffset]));
texcoordIndices.Add(int.Parse(strIndices[i + texcoordOffset]));
}
//vertices reais
List<Vector3> positions = GetPositions(sourcePosition);
List<Vector3> normals = GetNormals(sourceNormal);
List<Vector2> texcoords = GetTexCoords(sourceTexcoord);
//agora é so pegar os indices e vincular com os arrays pra criar os vertices q vao para o amt
for (int i = 0; i < positionIndices.Count; i++)
{
AMT_VERTEX v = new AMT_VERTEX();
v.SID = positionIndices[i]; //utilizado para encontrar esses vertices depois quando for atualizar o peso dos bones
v.Position = positions[positionIndices[i]];
v.Normal = normals[normalIndices[i]];
v.TexCoord1 = texcoords[texcoordIndices[i]];
v.TexCoord1.Y = -v.TexCoord1.Y; //Inverto o Y pq o exportador do max usa as coordenadas do opengl
amtModel.Vertices.Add(v);
}
//carrega as faces
for (int i = 0; i < amtModel.Vertices.Count; i += 3)
{
AMT_FACE f = new AMT_FACE();
f.MeshID = meshID;
f.Indices = new List<int>();
f.Indices.Add(i);
f.Indices.Add(i + 1);
f.Indices.Add(i + 2);
f.Normal = Tools.GetNormal(amtModel.Vertices[i].Position, amtModel.Vertices[i + 1].Position, amtModel.Vertices[i + 2].Position);
amtModel.Faces.Add(f);
mesh.FaceIndices.Add(amtModel.Faces.Count - 1);
}
//finalmente seta o mesh atual
amtModel.Meshes[amtModel.Meshes.Count - 1] = mesh;
}
public static bool EqualsWithoutFlagTest(AMT_VERTEX v1, AMT_VERTEX v2)
{
if ((v1.BoneIndices == null && v2.BoneIndices != null ||
v1.BoneIndices != null && v2.BoneIndices == null) ||
(v1.BoneWeights == null && v2.BoneWeights != null ||
v1.BoneWeights != null && v2.BoneWeights == null))
return true;
if (v1.BoneIndices != null && v1.BoneWeights != null)
{
for (int i = 0; i < 4; i++)
{
if (v1.BoneIndices[i] != v2.BoneIndices[i] ||
v1.BoneWeights[i] != v2.BoneWeights[i])
return false;
}
}
if (v1.Position != v2.Position ||
v1.TexCoord1 != v2.TexCoord1 ||
v1.TexCoord2 != v2.TexCoord2 ||
v1.Normal != v2.Normal)
return false;
return true;
}
