public void LoadAnimation(string filename)
{
int i, j;
int version;
string animFilename = filename;
int numberOfFrames;
int numberOfJoints;
int numberOfAnimatedComponents;
animFilename = filename;
string line;
string[] split;
MD5Hierarchy[] hierarchy;
MD5Bounds[] bounds;
MD5Frame[] baseFrames;
MD5Frame[] frames;
if (!File.Exists(filename))
{
throw new FileNotFoundException("File " + filename + " not found in directory " + Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location) + ".");
}
FileStream fs = new FileStream(filename, FileMode.Open);
StreamReader reader = new StreamReader(fs);
#region LINE 1 - MD5Version
line = MD5MeshContent.ReadLine(reader);
if (!line.StartsWith("MD5Version"))
{
throw new Exception("File " + filename + "is not a valid .md5anim.");
}
version = int.Parse(line.Substring(10));
#endregion
#region LINE 2 - commandline (discard)
line = MD5MeshContent.ReadLine(reader);
#endregion
#region LINE 3 - Number Of Frames
line = MD5MeshContent.LookForLine(reader, "numFrames");
numberOfFrames = int.Parse(line.Substring(10));
#endregion
#region LINE 4 - Number Of Joints
line = MD5MeshContent.LookForLine(reader, "numJoints");
numberOfJoints = int.Parse(line.Substring(10));
#endregion
#region LINE 5 - Frames per Second
line = MD5MeshContent.LookForLine(reader, "frameRate");
secondsPerFrame = 1.0f / int.Parse(line.Substring(10));
#endregion
#region LINE 6 - Number Of AnimatedComponents
line = MD5MeshContent.LookForLine(reader, "numAnimatedComponents");
numberOfAnimatedComponents = int.Parse(line.Substring(22));
#endregion
#region CHUNK - Hierarchy
line = MD5MeshContent.LookForLine(reader, "hierarchy");
hierarchy = new MD5Hierarchy[numberOfJoints];
flags = new int[numberOfJoints];
for (i = 0; i < numberOfJoints; i++)
{
MD5Hierarchy joint = new MD5Hierarchy();
line = MD5MeshContent.ReadLine(reader);
if (line.StartsWith("}"))
{
throw new Exception("MD5Anim " + animFilename + " is invalid: Hierarchy chuck has missing joints.");
}
split = line.Split(new char[] { '"', ' ' });
for (j = 0; j < split.Length; j++)
{
split[j] = split[j].Trim();
}
joint.Name = split[1];
joint.Parent = int.Parse(split[2]);
joint.Flags = int.Parse(split[3]);
joint.StartIndex = int.Parse(split[4]);
hierarchy[i] = joint;
flags[i] = joint.Flags;
}
#endregion
#region CHUNK - Bounds
line = MD5MeshContent.LookForLine(reader, "bounds");
bounds = new MD5Bounds[numberOfFrames];
for (i = 0; i < numberOfFrames; i++)
{
MD5Bounds bounding = new MD5Bounds();
line = MD5MeshContent.ReadLine(reader);
if (line.StartsWith("}"))
{
throw new Exception("MD5Anim " + animFilename + " is invalid: Bounds chuck has missing frames.");
}
split = line.Split(new char[] { '(', ' ', ')' });
for (j = 0; j < split.Length; j++)
{
split[j] = split[j].Trim();
}
bounding.Minimum = new Vector3(float.Parse(split[2]), float.Parse(split[4]), float.Parse(split[3]));
bounding.Maximum = new Vector3(float.Parse(split[9]), float.Parse(split[11]), float.Parse(split[10]));
bounds[i] = bounding;
}
this.Bounds = bounds;
#endregion
#region CHUNK - BaseFrame
line = MD5MeshContent.LookForLine(reader, "baseframe");
baseFrames = new MD5Frame[numberOfJoints];
for (i = 0; i < numberOfJoints; i++)
{
MD5Frame baseFrame = new MD5Frame();
baseFrame.Data = new float[6];
line = MD5MeshContent.ReadLine(reader);
if (line.StartsWith("}"))
{
throw new Exception("MD5Anim " + animFilename + " is invalid: Bounds chuck has missing frames.");
}
split = line.Split(new char[] { '(', ' ', ')' });
for (j = 0; j < split.Length; j++)
{
split[j] = split[j].Trim();
}
baseFrame.Data[0] = float.Parse(split[2]);
baseFrame.Data[1] = float.Parse(split[3]);
baseFrame.Data[2] = float.Parse(split[4]);
baseFrame.Data[3] = float.Parse(split[9]);
baseFrame.Data[4] = float.Parse(split[10]);
baseFrame.Data[5] = float.Parse(split[11]);
baseFrames[i] = baseFrame;
}
#endregion
#region CHUNKS - Frame Data
frames = new MD5Frame[numberOfFrames];
for (i = 0; i < frames.Length; i++)
{
string chunk = "";
MD5Frame frame = new MD5Frame();
frame.Data = new float[numberOfAnimatedComponents];
line = MD5MeshContent.LookForLine(reader, "frame " + i.ToString() + " {");
while (!line.Contains("}"))
{
if (reader.EndOfStream)
{
throw new Exception("MD5Anim " + animFilename + " is invalid: Frame chunk " + i + " is malformed.");
}
line = MD5MeshContent.ReadLine(reader);
if (!line.Contains("}"))
{
chunk += line + ' ';
}
else
{
chunk = chunk.Substring(0, chunk.Length - 1);
}
}
StringReader sr = new StringReader(chunk);
split = chunk.Split(new char[] { ' ' });
for (j = 0; j < frame.Data.Length; j++)
{
frame.Data[j] = float.Parse(split[j]);
}
frames[i] = frame;
}
#endregion
reader.Dispose();
fs.Dispose();
// If every joint's flag field is set to 63, recalculate the flags, as the flags were probably improperly exported
if (numberOfAnimatedComponents == hierarchy.Length * 6)
{
flags = RecalculateFlags(numberOfJoints, baseFrames, frames);
}
ComputeFrameSkeletons(hierarchy, baseFrames, frames);
}
public MD5MeshContent(string filename)
{
int i, j;
string line;
string[] split;
if (!File.Exists(filename))
{
throw new FileNotFoundException("File " + filename + " not found in directory " + Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location) + ".");
}
FileStream fs = new FileStream(filename, FileMode.Open);
StreamReader reader = new StreamReader(fs);
#region LINE 1 - MD5Version
line = MD5MeshContent.ReadLine(reader);
if (!line.StartsWith("MD5Version"))
{
throw new Exception("File " + filename + "is not a valid .md5mesh.");
}
int Version = int.Parse(line.Substring(10));
#endregion
#region LINE 2 - commandline (discard)
line = MD5MeshContent.ReadLine(reader);
#endregion
#region LINE 3 - numJoints
line = MD5MeshContent.LookForLine(reader, "numJoints ");
int NumberOfJoints = int.Parse(line.Substring(10));
#endregion
#region LINE 4 - numMeshes
line = MD5MeshContent.LookForLine(reader, "numMeshes ");
int NumberOfMeshes = int.Parse(line.Substring(10));
#endregion
#region CHUNK - Joints
line = MD5MeshContent.LookForLine(reader, "joints");
MD5Joint[] joints = new MD5Joint[NumberOfJoints];
for (i = 0; i < joints.Length; i++)
{
MD5Joint joint = new MD5Joint();
line = MD5MeshContent.ReadLine(reader);
if (line.StartsWith("}"))
{
throw new Exception("MD5Mesh " + filename + " is invalid: Joints chuck has missing joints.");
}
//Line format: "name" parent ( x y z ) ( rX rY rZ )
split = line.Split(new Char[] { '"', '"', '(', ')', '(', ')' });
for (j = 0; j < split.Length; j++)
{
split[j] = split[j].Trim();
}
if (split.Length != 7)
{
throw new Exception("MD5Mesh " + filename + " is invalid: Joint " + i + " appears to be malformed. ");
}
joint.Name = split[1];
joint.Parent = int.Parse(split[2]);
// Position
string[] pos = split[3].Split(' ', ' ');
if (pos.Length != 3)
{
throw new Exception("MD5Mesh " + filename + " is invalid: Joint " + i + "'s position data appears to be malformed. ");
}
joint.Position = new Vector3(float.Parse(pos[0]), float.Parse(pos[2]), float.Parse(pos[1]));
// Rotation
string[] rot = split[5].Split(' ', ' ');
if (rot.Length != 3)
{
throw new Exception("MD5Mesh " + filename + " is invalid: Joint " + i + "'s rotation data appears to be malformed. ");
}
float x, y, z, w;
x = float.Parse(rot[0]);
y = float.Parse(rot[2]);
z = float.Parse(rot[1]);
w = MD5AnimationContent.ComputeW(x, y, z);
joint.Rotation = new Quaternion(x, y, z, w);
joints[i] = joint;
}
#endregion
#region CHUNKS - Meshes
MD5Submesh[] submeshes = new MD5Submesh[NumberOfMeshes];
for (i = 0; i < NumberOfMeshes; i++)
{
#region Pull the Mesh Chunk Out
string chunk = "";
line = MD5MeshContent.LookForLine(reader, "mesh {");
while (!line.Contains("}"))
{
if (reader.EndOfStream)
{
throw new Exception("MD5Mesh " + filename + " is invalid: Mesh chunk " + i + " is malformed.");
}
line = MD5MeshContent.ReadLine(reader);
chunk += line + '\n';
}
StringReader sr = new StringReader(chunk);
#endregion
MD5Submesh mesh = new MD5Submesh();
#region mesh.Shader
line = MD5MeshContent.LookForLine(sr, "shader");
line = line.Substring(8);
if (line.LastIndexOf('.') > 0)
{
line = line.Substring(0, line.LastIndexOf('.'));
}
if (line.Length > 1 && line[0] == '/' && line[1] == '/')
{
line = line.Substring(2);
}
if (line.Length > 1 && line[line.Length - 1] == '"')
{
line = mesh.Shader.Substring(0, line.Length - 1);
}
mesh.Shader = line;
#endregion
line = MD5MeshContent.LookForLine(sr, "numverts");
mesh.NumberOfVertices = int.Parse(line.Substring(9));
mesh.Vertices = new MD5Vertex[mesh.NumberOfVertices];
#region mesh.Vertices[j]
for (j = 0; j < mesh.NumberOfVertices; j++)
{
MD5Vertex vert;
line = MD5MeshContent.LookForLine(sr, "vert");
split = line.Split(new char[] { ' ', '(', ' ', ')', ' ' });
if (int.Parse(split[1]) != j)
{
throw new Exception("MD5Mesh " + filename + " is invalid: Vertex " + j + " in mesh chunk " + i + " is missing.");
}
vert.S = float.Parse(split[4]);
vert.T = float.Parse(split[5]);
vert.FirstWeight = int.Parse(split[8]);
vert.NumberOfWeights = int.Parse(split[9]);
mesh.Vertices[j] = vert;
}
#endregion
line = MD5MeshContent.LookForLine(sr, "numtris");
mesh.NumberOfTriangles = int.Parse(line.Substring(8));
mesh.Triangles = new MD5Triangle[mesh.NumberOfTriangles];
#region mesh.Triangles[j]
for (j = 0; j < mesh.NumberOfTriangles; j++)
{
MD5Triangle tri = new MD5Triangle();
line = MD5MeshContent.LookForLine(sr, "tri");
split = line.Split(new char[] { ' ' });
if (int.Parse(split[1]) != j)
{
throw new Exception("MD5Mesh " + filename + " is invalid: Triangle " + j + " in mesh chunk " + i + " is missing.");
}
tri.Indices = new int[] { int.Parse(split[2]), int.Parse(split[3]), int.Parse(split[4]) };
mesh.Triangles[j] = tri;
}
#endregion
line = MD5MeshContent.LookForLine(sr, "numweights");
mesh.NumberOfWeights = int.Parse(line.Substring(10));
mesh.Weights = new MD5Weight[mesh.NumberOfWeights];
#region mesh.Weights[j]
for (j = 0; j < mesh.NumberOfWeights; j++)
{
MD5Weight weight = new MD5Weight();
line = MD5MeshContent.LookForLine(sr, "weight");
split = line.Split(new char[] { ' ', '(', ')' });
if (int.Parse(split[1]) != j)
{
throw new Exception("MD5Mesh " + filename + " is invalid: Weight " + j + " in mesh chunk " + i + " is missing.");
}
weight.Joint = int.Parse(split[2]);
weight.Weight = float.Parse(split[3]);
weight.Position = new Vector3(float.Parse(split[6]), float.Parse(split[8]), float.Parse(split[7]));
mesh.Weights[j] = weight;
}
#endregion
submeshes[i] = mesh;
}
#endregion
this.Filename = filename.Substring(filename.LastIndexOf("Content") + 8);
this.Joints = joints;
this.Submeshes = submeshes;
}
