/// <summary>
/// laske luurangolle asento.
/// </summary>
void InterpolateSkeletons(ref MD5Joint[,] skel, int curFrame, int nextFrame, int num_joints, float interp)
{
for (int i = 0; i < num_joints; ++i)
{
/* Copy parent index */
skeleton[i].parent = skel[curFrame, i].parent;
/* Linear interpolation for Position */
skeleton[i].pos.X = skel[curFrame, i].pos.X + interp * (skel[nextFrame, i].pos.X - skel[curFrame, i].pos.X);
skeleton[i].pos.Y = skel[curFrame, i].pos.Y + interp * (skel[nextFrame, i].pos.Y - skel[curFrame, i].pos.Y);
skeleton[i].pos.Z = skel[curFrame, i].pos.Z + interp * (skel[nextFrame, i].pos.Z - skel[curFrame, i].pos.Z);
/* Spherical linear interpolation for orientation */
skeleton[i].orient = QuaternionExt.Slerp(skel[curFrame, i].orient, skel[nextFrame, i].orient, interp);
}
}
/// <summary>
/// Prepare mesh for rendering
/// </summary>
void PrepareMesh()
{
int i, j, k;
meshes.Clear();
// Calculate the final Position ingame Position of all the model vertexes
for (k = 0; k < numMesh; k++)
{
numOfFaces = model[k].numTris;
VertexBuffer = new Vertex[numOfFaces * 3];
for (i = 0; i < model[k].numVert; i++)
{
Vector3 finalVertex = new Vector3(0, 0, 0);
for (j = 0; j < model[k].verts[i].countw; j++)
{
MD5Weight wt = model[k].weights[model[k].verts[i].startw + j];
MD5Joint joint = skeleton[wt.joint];
Vector3 wv = QuaternionExt.RotatePoint(joint.orient, wt.pos);
finalVertex.X += (joint.pos.X + wv.X) * wt.bias;
finalVertex.Y += (joint.pos.Y + wv.Y) * wt.bias;
finalVertex.Z += (joint.pos.Z + wv.Z) * wt.bias;
}
finalVert[i] = finalVertex;
}
int count = 0;
// Organize the final vertexes acording to the meshes triangles
for (i = 0; i < model[k].numTris; i++)
{
VertexBuffer[count] = new Vertex(finalVert[(int)model[k].faces[i][0]], normals[(int)model[k].faces[i][0]], model[k].verts[(int)model[k].faces[i][0]].uv);
VertexBuffer[count + 1] = new Vertex(finalVert[(int)model[k].faces[i][1]], normals[(int)model[k].faces[i][1]], model[k].verts[(int)model[k].faces[i][1]].uv);
VertexBuffer[count + 2] = new Vertex(finalVert[(int)model[k].faces[i][2]], normals[(int)model[k].faces[i][2]], model[k].verts[(int)model[k].faces[i][2]].uv);
count += 3;
}
meshes.Add(VertexBuffer);
if (model[k].vbo != null)
{
model[k].vbo.Update(VertexBuffer);
}
}
}
/// <summary>
/// lataa md5-animaatio.
/// </summary>
public override void LoadMD5Animation(string animName, string fileName)
{
if (fileName == null || fileName == "")
{
return;
}
Animation anim = new Animation();
anim.animName = animName;
Buffer t = new Buffer();
MD5JointInfo[] jointInfos = null;
MD5BaseFrameJoint[] baseFrame = null;
float[] animFrameData = null;
int numAnimatedComponents = 0;
int frame_index;
int i;
using (System.IO.StreamReader file = new System.IO.StreamReader(Settings.ModelDir + fileName))
{
string line;
while ((line = file.ReadLine()) != null)
{
if (line == "")
{
continue;
}
// Read number of joints
if (ParseLine(ref t, line, "numFrames %d"))
{
/* Allocate memory for skeleton frames and bounding boxes */
anim.numFrames = t.ibuffer[0];
if (anim.numFrames > 0)
{
anim.bboxes = new MD5BoundingBox[anim.numFrames];
}
}
if (ParseLine(ref t, line, "numJoints %d"))
{
/* Allocate memory for joints of each frame */
anim.numJoints = t.ibuffer[0];
if (anim.numJoints > 0)
{
/* Allocate temporary memory for building skeleton frames */
jointInfos = new MD5JointInfo[anim.numJoints];
baseFrame = new MD5BaseFrameJoint[anim.numJoints];
}
anim.skelFrames = new MD5Joint[anim.numFrames, anim.numJoints];
}
if (ParseLine(ref t, line, "frameRate %d"))
{
anim.frameRate = t.ibuffer[0];
}
if (ParseLine(ref t, line, "numAnimatedComponents %d"))
{
numAnimatedComponents = t.ibuffer[0];
if (numAnimatedComponents > 0)
{
/* Allocate memory for animation frame data */
animFrameData = new float[numAnimatedComponents];
}
}
if (line.Equals("hierarchy {"))
{
for (i = 0; i < anim.numJoints; ++i)
{
/* Read whole line */
line = file.ReadLine();
Cleanstring(ref line);
/* Read joint info */
ParseLine(ref t, line, "%s %d %d %d");
jointInfos[i].name = t.sbuffer;
jointInfos[i].parent = t.ibuffer[0];
jointInfos[i].flags = t.ibuffer[1];
jointInfos[i].startIndex = t.ibuffer[2];
}
}
if (line.Equals("bounds {"))
{
for (i = 0; i < anim.numFrames; ++i)
{
/* Read whole line */
line = file.ReadLine();
Cleanstring(ref line);
/* Read bounding box */
ParseLine(ref t, line, "( %f %f %f ) ( %f %f %f )");
anim.bboxes[i].min.X = t.fbuffer[0];
anim.bboxes[i].min.Y = t.fbuffer[1];
anim.bboxes[i].min.Z = t.fbuffer[2];
anim.bboxes[i].max.X = t.fbuffer[3];
anim.bboxes[i].max.Y = t.fbuffer[4];
anim.bboxes[i].max.Z = t.fbuffer[5];
}
}
if (line.Equals("baseframe {"))
{
for (i = 0; i < anim.numJoints; ++i)
{
/* Read whole line */
line = file.ReadLine();
Cleanstring(ref line);
/* Read base frame joint */
ParseLine(ref t, line, "( %f %f %f ) ( %f %f %f )");
if (t.fbuffer.Length == 6)
{
baseFrame[i].pos.X = t.fbuffer[0];
baseFrame[i].pos.Y = t.fbuffer[1];
baseFrame[i].pos.Z = t.fbuffer[2];
baseFrame[i].orient.X = t.fbuffer[3];
baseFrame[i].orient.Y = t.fbuffer[4];
baseFrame[i].orient.Z = t.fbuffer[5];
/* Compute the w component */
QuaternionExt.ComputeW(ref baseFrame[i].orient);
}
}
}
if (ParseLine(ref t, line, "frame %d"))
{
frame_index = t.ibuffer[0];
/* Read frame data */
for (i = 0; i < numAnimatedComponents;)
{
line = file.ReadLine();
if (line[0] == '}')
{
break;
}
Cleanstring(ref line);
string[] splt = line.Split(' ');
for (int ww = 0; ww < splt.Length; ww++)
{
animFrameData[i++] = MathExt.GetFloat(splt[ww]);
}
}
/* Build frame skeleton from the collected data */
BuildFrameSkeleton(ref jointInfos, ref baseFrame, ref animFrameData, frame_index, anim.numJoints, ref anim);
}
}
anim.curFrame = 0;
anim.nextFrame = 1;
anim.lastTime = 0;
anim.maxTime = 1.0f / anim.frameRate;
/* Allocate memory for animated skeleton */
skeleton = new MD5Joint[anim.numJoints];
animated = true;
Vector3 min = new Vector3(9999, 9999, 9999);
Vector3 max = new Vector3(-9999, -9999, -9999);
// laske bboxit
for (int q = 0; q < anim.numFrames; q++)
{
if (anim.bboxes[q].min.X < min.X)
{
min.X = anim.bboxes[q].min.X;
}
if (anim.bboxes[q].min.Y < min.Y)
{
min.Y = anim.bboxes[q].min.Y;
}
if (anim.bboxes[q].min.Z < min.Z)
{
min.Z = anim.bboxes[q].min.Z;
}
if (anim.bboxes[q].max.X > max.X)
{
max.X = anim.bboxes[q].max.X;
}
if (anim.bboxes[q].max.Y > max.Y)
{
max.Y = anim.bboxes[q].max.Y;
}
if (anim.bboxes[q].max.Z > max.Z)
{
max.Z = anim.bboxes[q].max.Z;
}
}
Boundings = new BoundingSphere();
Boundings.CreateBoundingVolume(this, min, max);
Update(0);
animations.Add(anim);
Log.WriteLine("Animation: " + fileName, false);
SetAnimation(animName);
}
}
/// <summary>
/// luo luuranko.
/// </summary>
void BuildFrameSkeleton(ref MD5JointInfo[] jointInfos,
ref MD5BaseFrameJoint[] baseFrame,
ref float[] animFrameData,
int frameIndex,
int num_joints, ref Animation md5anim)
{
for (int i = 0; i < num_joints; ++i)
{
MD5BaseFrameJoint baseJoint = baseFrame[i];
Vector3 animatedPos;
Quaternion animatedOrient;
int j = 0;
animatedPos = baseJoint.pos;
animatedOrient = baseJoint.orient;
if ((jointInfos[i].flags & 1) > 0) /* Tx */
{
animatedPos.X = animFrameData[jointInfos[i].startIndex + j];
++j;
}
if ((jointInfos[i].flags & 2) > 0) /* Ty */
{
animatedPos.Y = animFrameData[jointInfos[i].startIndex + j];
++j;
}
if ((jointInfos[i].flags & 4) > 0) /* Tz */
{
animatedPos.Z = animFrameData[jointInfos[i].startIndex + j];
++j;
}
if ((jointInfos[i].flags & 8) > 0) /* Qx */
{
animatedOrient.X = animFrameData[jointInfos[i].startIndex + j];
++j;
}
if ((jointInfos[i].flags & 16) > 0) /* Qy */
{
animatedOrient.Y = animFrameData[jointInfos[i].startIndex + j];
++j;
}
if ((jointInfos[i].flags & 32) > 0) /* Qz */
{
animatedOrient.Z = animFrameData[jointInfos[i].startIndex + j];
++j;
}
/* Compute orient quaternion's w value */
QuaternionExt.ComputeW(ref animatedOrient);
int parent = jointInfos[i].parent;
md5anim.skelFrames[frameIndex, i].parent = parent;
md5anim.skelFrames[frameIndex, i].name = jointInfos[i].name;
/* Has parent? */
if (md5anim.skelFrames[frameIndex, i].parent < 0)
{
md5anim.skelFrames[frameIndex, i].pos = animatedPos;
md5anim.skelFrames[frameIndex, i].orient = animatedOrient;
}
else
{
MD5Joint parentJoint = md5anim.skelFrames[frameIndex, parent];
Vector3 rpos; /* Rotated Position */
/* Add positions */
rpos = QuaternionExt.RotatePoint(parentJoint.orient, animatedPos);
md5anim.skelFrames[frameIndex, i].pos.X = rpos.X + parentJoint.pos.X;
md5anim.skelFrames[frameIndex, i].pos.Y = rpos.Y + parentJoint.pos.Y;
md5anim.skelFrames[frameIndex, i].pos.Z = rpos.Z + parentJoint.pos.Z;
/* Concatenate rotations */
md5anim.skelFrames[frameIndex, i].orient = Quaternion.Multiply(parentJoint.orient, animatedOrient);
md5anim.skelFrames[frameIndex, i].orient = Quaternion.Normalize(md5anim.skelFrames[frameIndex, i].orient);
}
}
}
void LoadMD5(string fileName)
{
Name = fileName;
// Initialize everything
string line, textureName = "";
int i;
Buffer t = new Buffer();
meshCount = 0;
using (System.IO.StreamReader file = new System.IO.StreamReader(Settings.ModelDir + fileName))
{
{
while ((line = file.ReadLine()) != null)
{
Cleanstring(ref line);
// Read number of joints
if (ParseLine(ref t, line, "numJoints %d"))
{
numJoints = t.ibuffer[0];
baseSkel = new MD5Joint[numJoints];
}
// Read number os meshes
if (ParseLine(ref t, line, "numMeshes %d"))
{
numMesh = t.ibuffer[0];
model = new MD5Mesh[numMesh];
meshes = new List <Vertex[]>(numMesh);
}
// Parse model joints
if (line.Equals("joints {"))
{
for (i = 0; i < numJoints; i++)
{
line = file.ReadLine();
Cleanstring(ref line);
ParseLine(ref t, line, "%s %d ( %f %f %f ) ( %f %f %f )");
baseSkel[i].name = t.sbuffer;
baseSkel[i].parent = t.ibuffer[0];
baseSkel[i].pos.X = t.fbuffer[0];
baseSkel[i].pos.Y = t.fbuffer[1];
baseSkel[i].pos.Z = t.fbuffer[2];
baseSkel[i].orient = new Quaternion(t.fbuffer[3], t.fbuffer[4], t.fbuffer[5], 1);
QuaternionExt.ComputeW(ref baseSkel[i].orient);
}
}
// Parse model meshes
if (line.Equals("mesh {"))
{
while (!line.Equals("}"))
{
line = file.ReadLine();
Cleanstring(ref line);
// Read texture name
if (line.StartsWith("shader"))
{
string str = line.Substring(7);
textureName = Settings.TextureDir + str;
textureName = textureName.Replace(",", ".");
}
// Read mesh data
if (ParseLine(ref t, line, "numverts %d"))
{
model[meshCount].numVert = t.ibuffer[0];
model[meshCount].verts = new MD5Vertex[model[meshCount].numVert];
model[meshCount].texture = Texture.Load(textureName);
for (i = 0; i < model[meshCount].numVert; i++)
{
line = file.ReadLine();
ParseLine(ref t, line, "vert %d ( %f %f ) %d %d");
model[meshCount].verts[t.ibuffer[0]].uv.X = t.fbuffer[0];
model[meshCount].verts[t.ibuffer[0]].uv.Y = 1 - t.fbuffer[1];
model[meshCount].verts[t.ibuffer[0]].startw = t.ibuffer[1];
model[meshCount].verts[t.ibuffer[0]].countw = t.ibuffer[2];
}
}
if (ParseLine(ref t, line, "numtris %d"))
{
model[meshCount].numTris = t.ibuffer[0];
model[meshCount].faces = new int[model[meshCount].numTris][];
for (i = 0; i < model[meshCount].numTris; i++)
{
line = file.ReadLine();
ParseLine(ref t, line, "tri %d %d %d %d");
model[meshCount].faces[t.ibuffer[0]] = new int[3];
model[meshCount].faces[t.ibuffer[0]][0] = t.ibuffer[3]; // poly toisin päin
model[meshCount].faces[t.ibuffer[0]][1] = t.ibuffer[2];
model[meshCount].faces[t.ibuffer[0]][2] = t.ibuffer[1];
}
}
if (ParseLine(ref t, line, "numweights %d"))
{
model[meshCount].numWeights = t.ibuffer[0];
model[meshCount].weights = new MD5Weight[model[meshCount].numWeights];
for (i = 0; i < model[meshCount].numWeights; i++)
{
line = file.ReadLine();
ParseLine(ref t, line, "weight %d %d %f ( %f %f %f )");
model[meshCount].weights[t.ibuffer[0]].joint = t.ibuffer[1];
model[meshCount].weights[t.ibuffer[0]].bias = t.fbuffer[0];
model[meshCount].weights[t.ibuffer[0]].pos.X = t.fbuffer[1];
model[meshCount].weights[t.ibuffer[0]].pos.Y = t.fbuffer[2];
model[meshCount].weights[t.ibuffer[0]].pos.Z = t.fbuffer[3];
}
}
}
meshCount++;
}
}
}
}
int maxvert = 0;
for (int k = 0; k < numMesh; k++)
{
if (model[k].numVert > maxvert)
{
maxvert = model[k].numVert;
}
}
for (int k = 0; k < numMesh; k++)
{
finalVert = new Vector3[maxvert];
normals = new Vector3[maxvert];
}
skeleton = baseSkel;
// prepare model for rendering
PrepareMesh();
for (int q = 0; q < numMesh; q++)
{
Vertex[] v = meshes[q];
ushort[] ind = new ushort[v.Length];
for (ushort w = 0; w < ind.Length; w++)
{
ind[w] = w;
}
// luo vbo ja datat sinne
model[q].vbo = new VBO(BufferUsageHint.DynamicDraw);
model[q].vbo.DataToVBO(v, ind, VBO.VertexMode.UV1);
}
// laske normaalit
for (int k = 0; k < numMesh; k++)
{
MathExt.CalcNormals(ref finalVert, ref model[k].faces, ref normals, false);
}
Log.WriteLine("Model: " + Name, false);
}
/*
* protected void processLightAttenuation(XmlElement XMLNode, Light pLight)
* {
* // Process attributes
* float range = XML.GetAttribReal(XMLNode, "range");
* float constant = XML.GetAttribReal(XMLNode, "constant");
* float linear = XML.GetAttribReal(XMLNode, "linear");
* float quadratic = XML.GetAttribReal(XMLNode, "quadratic");
* // Setup the light attenuation
* pLight.SetAttenuation(range, constant, linear, quadratic);
* }
*
* protected void processLightRange(XmlElement XMLNode, Light pLight)
* {
* // Process attributes
* float inner = XML.GetAttribReal(XMLNode, "inner");
* float outer = XML.GetAttribReal(XMLNode, "outer");
* float falloff = XML.GetAttribReal(XMLNode, "falloff", 1.0f);
* // Setup the light range
* pLight.SetSpotlightRange(new Radian((Degree)inner), new Radian((Degree)outer), falloff);
* }
*/
protected void processNode(XmlElement XMLNode, Node pParent)
{
// Construct the node's name
String name = XML.GetAttrib(XMLNode, "name");
// Create the scene node
Node pNode = new Node();
Vector3 pos = Vector3.Zero, scale = Vector3.Zero;
Quaternion orientation = new Quaternion();
// Process other attributes
XmlElement pElement;
// Process position
pElement = (XmlElement)XMLNode.SelectSingleNode("position");
if (pElement != null)
{
pos = XML.ParseVector3(pElement);
}
// Process rotation
pElement = (XmlElement)XMLNode.SelectSingleNode("rotation");
if (pElement != null)
{
orientation = XML.ParseOrientation(pElement);
}
// Process scale
pElement = (XmlElement)XMLNode.SelectSingleNode("scale");
if (pElement != null)
{
scale = XML.ParseVector3(pElement);
}
// Process ogremesh
pElement = (XmlElement)XMLNode.SelectSingleNode("entity");
if (pElement != null)
{
pNode = processEntity(pElement);
if (pNode == null)
{
return;
}
// jos .scene tiedostossa näkyy että pathin position, rotation tai scale on muuttunut,
// silloin path ei toimi oikein koska niitä ei tässä oteta huomioon ollenkaan
// (joten path voi ollaki ihan eri kohdassa missä pitäis).
// ratkaisu on että pathia EI liikuteta, pyöritetä eikä skaalata 3dsmaxissa!
// pivot point pitää olla origossa ja muokkaukset tehdään vain vertex edit moodissa.
}
// Process light
pElement = (XmlElement)XMLNode.SelectSingleNode("light");
if (pElement != null)
{
pNode = processLight(pElement);
pNode.Rotation = QuaternionExt.QuatToEuler(orientation);
pElement = (XmlElement)XMLNode.NextSibling;
if (pElement != null)
{
string nname = XML.GetAttrib(pElement, "name");
if (nname.Contains(".Target"))
{
Vector3 targetPos;
pElement = (XmlElement)pElement.SelectSingleNode("position");
if (pElement != null)
{
targetPos = XML.ParseVector3(pElement);
}
else
{
targetPos = Vector3.Zero;
}
pNode.OrigOrientationMatrix = Matrix4.LookAt(pos, targetPos, Vector3.UnitY);
}
pNode.Name = name;
pNode.Position = pos;
pNode.Scale = scale;
pParent.Add(pNode);
return;
}
}
// Process camera
pElement = (XmlElement)XMLNode.SelectSingleNode("camera");
if (pElement != null)
{
pNode = processCamera(pElement);
pNode.Rotation = QuaternionExt.QuatToEuler(orientation);
}
// Process childnodes
pElement = (XmlElement)XMLNode.SelectSingleNode("node");
while (pElement != null)
{
processNode(pElement, pNode);
pElement = (XmlElement)pElement.NextSibling;
}
pNode.Name = name;
pNode.Position = pos;
pNode.Scale = scale;
Matrix4Ext.CreateFromQuaternion(ref orientation, out pNode.OrigOrientationMatrix);
pParent.Add(pNode);
}
