private void DrawModelRecursive(ref Matrix4[] jointMatrix, SceneGraph curNode, BaseRenderer renderer, bool bSelectedPass)
{
switch (curNode.NodeType)
{
case J3DFormat.HierarchyDataTypes.Material:
if (!bSelectedPass)
{
GL.BindTexture(TextureTarget.Texture2D, GetGLTexIdFromCache(curNode.DataIndex));
}
break;
case J3DFormat.HierarchyDataTypes.Batch:
/* For each batch, we're going to enable the
* appropriate Vertex Attributes for that batch
* and set default values for vertex attribs that
* the batch doesn't use, then draw all primitives
* within it.*/
if (bSelectedPass)
{
#region Selected
float[] front_face_wireframe_color = { 1.0f, 1.0f, 1.0f, 1.0f };
float[] back_face_wireframe_color = { 0.7f, 0.7f, 0.7f, 0.7f };
GL.LineWidth(1);
GL.Enable(EnableCap.CullFace);
//GL.Disable(EnableCap.DepthTest);
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Line);
GL.EnableVertexAttribArray((int)BaseRenderer.ShaderAttributeIds.Position);
// 1. Draw the back-faces with a darker color:
GL.CullFace(CullFaceMode.Back);
GL.VertexAttrib4((int)BaseRenderer.ShaderAttributeIds.Color, back_face_wireframe_color);
foreach (var packet in _renderList[curNode.DataIndex].Packets)
{
int vertexIndex = 0;
foreach (var primitive in packet.PrimList)
{
//Uhh...
ushort drawIndex = packet.DrawIndexes[primitive.PosMatrixIndex[vertexIndex] / 3];
bool isWeighted = _file.Draw.IsWeighted(drawIndex);
if (isWeighted)
{
}
else
{
var jnt = _file.Joints.GetJoint(curNode.DataIndex);
Vector3 jntRot = jnt.GetRotation().ToDegrees();
Vector3 trans = jnt.GetTranslation();
Matrix4 trnMatrix = Matrix4.CreateTranslation(trans);
Matrix4 rtMatrix = Matrix4.CreateRotationX(jntRot.X) * Matrix4.CreateRotationY(jntRot.Y) *
Matrix4.CreateRotationZ(jntRot.Z);
Matrix4 sclMatrix = Matrix4.CreateScale(jnt.GetScale());
Matrix4 final = trnMatrix * rtMatrix * sclMatrix;
//renderer.SetModelMatrix(Matrix4.Identity);
renderer.SetModelMatrix(final);
}
GL.DrawArrays(primitive.DrawType, primitive.VertexStart, primitive.VertexCount);
vertexIndex++;
}
}
// 2. Draw the front-faces with a lighter color:
GL.CullFace(CullFaceMode.Front);
GL.VertexAttrib4((int)BaseRenderer.ShaderAttributeIds.Color, front_face_wireframe_color);
/*foreach (var primitive in _renderList[curNode.DataIndex])
* {
* GL.DrawArrays(primitive.DrawType, primitive.VertexStart, primitive.VertexCount);
* }*/
GL.DisableVertexAttribArray((int)BaseRenderer.ShaderAttributeIds.Position);
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Fill);
//GL.Enable(EnableCap.DepthTest);
GL.LineWidth(1);
#endregion
}
else
{
SetVertexAttribArraysForBatch(true, curNode.DataIndex);
//GL.CullFace(CullFaceMode.Front);
for (int packetIndex = 0; packetIndex < _renderList[curNode.DataIndex].Packets.Count; packetIndex++)
{
RenderPacket packet = _renderList[curNode.DataIndex].Packets[packetIndex];
foreach (var primitive in packet.PrimList)
{
renderer.SetModelMatrix(Matrix4.Identity);
if (primitive.PosMatrixIndex.Count > 0)
{
var transformedData = new J3DRenderer.VertexFormatLayout[primitive.VertexCount];
//For each vertex within this primitive, we're going to get its id.
for (int vertexIndex = 0; vertexIndex < primitive.VertexCount; vertexIndex++)
{
ushort vertIndex = primitive.PosMatrixIndex[vertexIndex];
ushort drawIndex = packet.DrawIndexes[vertIndex / 3];
//ehh
int seriously = 0;
while (drawIndex == 0xFFFF)
{
RenderPacket prevPacket =
_renderList[curNode.DataIndex].Packets[packetIndex - seriously];
drawIndex = prevPacket.DrawIndexes[vertIndex / 3];
seriously++;
}
bool isWeighted = _file.Draw.IsWeighted(drawIndex);
if (isWeighted)
{
ushort numBonesAffecting =
_file.Envelopes.GetCount(_file.Draw.GetIndex(drawIndex));
//Much WTFs
ushort offset = 0;
for (ushort i = 0; i < _file.Draw.GetIndex(drawIndex); i++)
{
offset += _file.Envelopes.GetCount(i);
}
offset *= 2;
Matrix4 finalTransform = Matrix4.Identity;
for (ushort i = 0; i < numBonesAffecting; i++)
{
ushort boneIndex =
_file.Envelopes.GetIndexOffset((ushort)(offset + (i * 0x2)));
float boneWeight = _file.Envelopes.GetWeight((ushort)((offset / 2) + i));
Matrix3x4 envMatrix = _file.Envelopes.GetMatrix(boneIndex);
Matrix4 newEnvelopeMtx = new Matrix4(envMatrix.Row0, envMatrix.Row1,
envMatrix.Row2, new Vector4(0, 0, 0, 1));
SkeletonJoint joint = _skeleCopy[boneIndex];
//Matrix4 transMatrix = Matrix4.CreateTranslation(joint.Position);
//We need to use the bone's matrix from EVP1 to get the joint matrix
Matrix4 jointMtx = joint.Rotation * newEnvelopeMtx;
//finalTransform = Matrix4.Mult(jointMtx * newEnvelopeMtx, boneWeight) * finalTransform;
//ToDo: This is the wrong scale.
//AddScaleMatrix(ref finalTransform, Matrix4.Mult(jointMtx, newEnvelopeMtx), 1f);
}
transformedData[vertexIndex] = _vertDataBind[primitive.VertexStart + vertexIndex];
Vector3 vertPosition = transformedData[vertexIndex].Position;
transformedData[vertexIndex].Position = Vector3.TransformPosition(vertPosition, finalTransform);
}
else
{
//If the vertex is not weighted, we're just going to use the position
//from the bone matrix. Something like this.
Vector3 vertPosition =
_vertDataBind[primitive.VertexStart + vertexIndex].Position;
transformedData[vertexIndex] = _vertDataBind[primitive.VertexStart + vertexIndex];
SkeletonJoint joint = _skeleCopy[_file.Draw.GetIndex(drawIndex)];
Matrix4 transMatrix = Matrix4.CreateTranslation(joint.Position);
Matrix4 final = joint.Rotation * transMatrix;
transformedData[vertexIndex].Position = Vector3.TransformPosition(vertPosition, final);
}
}
//Re-upload the subsection to the buffer.
GL.BindBuffer(BufferTarget.ArrayBuffer, _glVbo);
GL.BufferSubData(BufferTarget.ArrayBuffer, (IntPtr)(primitive.VertexStart * (9 * 4)),
(IntPtr)(primitive.VertexCount * (9 * 4)), transformedData);
float[] front_face_wireframe_color = { 1.0f, 1.0f, 1.0f, 1.0f };
GL.VertexAttrib4((int)BaseRenderer.ShaderAttributeIds.Color, front_face_wireframe_color);
}
GL.DrawArrays(primitive.DrawType, primitive.VertexStart, primitive.VertexCount);
}
}
SetVertexAttribArraysForBatch(false, curNode.DataIndex);
}
break;
}
foreach (SceneGraph subNode in curNode.Children)
{
DrawModelRecursive(ref jointMatrix, subNode, renderer, bSelectedPass);
}
}
