private static remSKICsection ReadSkin(string sectionName, int sectionLength, int numSkins, byte[] sectionBuffer)
{
remSKICsection skinSec = new remSKICsection(numSkins);
int secBufIdx = 0;
for (int subSection = 0; subSection < numSkins; subSection++)
{
byte[] type = new byte[4] { sectionBuffer[secBufIdx+0], sectionBuffer[secBufIdx+1], sectionBuffer[secBufIdx+2], sectionBuffer[secBufIdx+3] };
int length = BitConverter.ToInt32(sectionBuffer, secBufIdx+4);
remId mesh = GetIdentifier(sectionBuffer, secBufIdx+8);
int numWeights = BitConverter.ToInt32(sectionBuffer, secBufIdx+8+256);
remSkin skin = new remSkin(numWeights);
Trace.Assert(TypeCheck(remSkin.ClassType, type));
skin.mesh = mesh;
int weightBufIdx = secBufIdx+8+256+4;
for (int weightIdx = 0; weightIdx < numWeights; weightIdx++)
{
remBoneWeights weights = new remBoneWeights();
weights.bone = GetIdentifier(sectionBuffer, weightBufIdx);
weightBufIdx += 256;
int numVertIdxWts = BitConverter.ToInt32(sectionBuffer, weightBufIdx);
weightBufIdx += 4;
Matrix matrix = new Matrix();
for (int i = 0; i < 4; i++)
{
Vector4 row = new Vector4();
for (int j = 0; j < 4; j++)
{
row[j] = BitConverter.ToSingle(sectionBuffer, weightBufIdx);
weightBufIdx += 4;
}
matrix.set_Rows(i, row);
}
weights.matrix = matrix;
weights.vertexIndices = new int[numVertIdxWts];
for (int i = 0; i < numVertIdxWts; i++)
{
weights.vertexIndices[i] = BitConverter.ToInt32(sectionBuffer, weightBufIdx);
weightBufIdx += 4;
}
weights.vertexWeights = new float[weights.numVertIdxWts];
for (int i = 0; i < numVertIdxWts; i++)
{
weights.vertexWeights[i] = BitConverter.ToSingle(sectionBuffer, weightBufIdx);
weightBufIdx += 4;
}
skin.AddChild(weights);
}
skinSec.AddChild(skin);
secBufIdx += length;
}
if (secBufIdx != sectionLength)
Report.ReportLog("Warning! SKIC section has wrong length.");
return skinSec;
}
public Vector2 IntersectPlane(Plane plane, Vector2 relativeMousePos)
{
// Relative screen position.
float xRayView = relativeMousePos.X / Projection.M11;
float yRayView = relativeMousePos.Y / Projection.M22;
viewDirection.Normalize();
Vector3 ray = viewDirection
+ rightVec * xRayView
- upVec * yRayView;
Vector4 pointVec = new Vector4(position - plane.Origin, 0);
Matrix dirMat = new Matrix();
Matrix test = Matrix.Translation(1, 1, 1);
//var x = test.get_Rows(3);
dirMat.set_Rows(0, new Vector4(plane.XAxis, 0));
dirMat.set_Rows(1, new Vector4(plane.YAxis, 0));
dirMat.set_Rows(2, new Vector4(-ray, 0));
dirMat.set_Rows(3, Vector4.UnitW);
dirMat.Invert();
Vector4 res = Vector4.Transform(pointVec, dirMat);
Vector2 xy = new Vector2(Vector4.Dot(dirMat.get_Rows(0), pointVec), Vector4.Dot(dirMat.get_Rows(1), pointVec));
return new Vector2(res.X, res.Y);
}
private static remBONCsection ReadBones(string sectionName, int sectionLength, int numBones, byte[] sectionBuffer)
{
remBONCsection boneSec = new remBONCsection(numBones);
int secBufIdx = 0;
for (int subSection = 0; subSection < numBones; subSection++)
{
byte[] type = new byte[4] { sectionBuffer[secBufIdx+0], sectionBuffer[secBufIdx+1], sectionBuffer[secBufIdx+2], sectionBuffer[secBufIdx+3] };
int length = BitConverter.ToInt32(sectionBuffer, secBufIdx+4);
remBone bone = new remBone(length > 256+16*4+4 ? (length - 256+16*4+4) / 256 : 0);
Trace.Assert(TypeCheck(remBone.ClassType, type));
bone.name = GetIdentifier(sectionBuffer, secBufIdx+8);
Matrix matrix = new Matrix();
for (int i = 0; i < 4; i++)
{
Vector4 row = new Vector4();
for (int j = 0; j < 4; j++)
row[j] = BitConverter.ToSingle(sectionBuffer, secBufIdx+8+256 + (i*4 + j) * 4);
matrix.set_Rows(i, row);
}
bone.matrix = matrix;
int numChilds = BitConverter.ToInt32(sectionBuffer, secBufIdx+8+256 + 16*4);
List<remId> childNames = new List<remId>(numChilds);
for (int i = 0; i < numChilds; i++)
childNames.Add(GetIdentifier(sectionBuffer, secBufIdx+8+256 + 16*4 + 4 + i*256));
AddParentBone(boneSec, bone, childNames);
secBufIdx += length;
}
for (int i = 0; i < numBones; i++)
{
if (boneSec[i].Parent == null)
{
boneSec[i].Parent = boneSec.rootFrame;
boneSec.rootFrame.AddChild(boneSec[i]);
}
}
if (secBufIdx != sectionLength)
Report.ReportLog("Warning! BONC section has wrong length.");
return boneSec;
}
