//
// From the given draw request, get the draw data and determine
// which quadric to draw and with what values.
//
public override void draw(MDrawRequest request, M3dView view)
{
MDrawData data = request.drawData();
quadricGeom geom = data.geometry() as quadricGeom;
DrawShapeStyle token = (DrawShapeStyle)request.token;
bool drawTexture = false;
view.beginGL();
if ((token == DrawShapeStyle.kDrawSmoothShaded) || (token == DrawShapeStyle.kDrawFlatShaded))
{
OpenGL.glEnable((uint)OpenGL.GL_POLYGON_OFFSET_FILL);
// Set up the material
//
MMaterial material = request.material;
material.setMaterial(request.multiPath, request.isTransparent);
// Enable texturing
//
drawTexture = material.materialIsTextured;
if (drawTexture) OpenGL.glEnable((uint)OpenGL.GL_TEXTURE_2D);
// Apply the texture to the current view
//
if (drawTexture)
{
material.applyTexture(view, data);
}
}
IntPtr qobj = GLUFunctionInvoker.gluNewQuadric();
switch (token)
{
case DrawShapeStyle.kDrawWireframe:
case DrawShapeStyle.kDrawWireframeOnShaded:
GLUFunctionInvoker.gluQuadricDrawStyle(qobj, GLU_LINE);
break;
case DrawShapeStyle.kDrawSmoothShaded:
GLUFunctionInvoker.gluQuadricNormals(qobj, GLU_SMOOTH);
GLUFunctionInvoker.gluQuadricTexture(qobj, GLtrue);
GLUFunctionInvoker.gluQuadricDrawStyle(qobj, GLU_FILL);
break;
case DrawShapeStyle.kDrawFlatShaded:
GLUFunctionInvoker.gluQuadricNormals(qobj, GLU_FLAT);
GLUFunctionInvoker.gluQuadricTexture(qobj, GLtrue);
GLUFunctionInvoker.gluQuadricDrawStyle(qobj, GLU_FILL);
break;
}
switch (geom.shapeType)
{
case (short)DrawShapeType.kDrawCylinder:
GLUFunctionInvoker.gluCylinder(qobj, geom.radius1, geom.radius2, geom.height,
geom.slices, geom.stacks);
break;
case (short)DrawShapeType.kDrawDisk:
GLUFunctionInvoker.gluDisk(qobj, geom.radius1, geom.radius2, geom.slices, geom.loops);
break;
case (short)DrawShapeType.kDrawPartialDisk:
GLUFunctionInvoker.gluPartialDisk(qobj, geom.radius1, geom.radius2, geom.slices,
geom.loops, geom.startAngle, geom.sweepAngle);
break;
case (short)DrawShapeType.kDrawSphere:
default:
GLUFunctionInvoker.gluSphere(qobj, geom.radius1, geom.slices, geom.stacks);
break;
}
// Turn off texture mode
//
if (drawTexture) OpenGL.glDisable((uint)OpenGL.GL_TEXTURE_2D);
view.endGL();
}
public override void draw(M3dView view, MDagPath path, M3dView.DisplayStyle style, M3dView.DisplayStatus status)
{
// Are we in the right view
MDagPath dpath = new MDagPath();
view.getCamera(dpath);
MFnCamera viewCamera = new MFnCamera(dpath);
string nameBuffer = viewCamera.name;
if (nameBuffer == null)
return;
if (nameBuffer.IndexOf("persp") == -1 && nameBuffer.IndexOf("front") == -1)
return;
//
bool rightLine = !affectTranslate;
// Populate the point arrays which are in local space
MPoint top = lineGeometry.topPoint();
MPoint bottom = lineGeometry.bottomPoint();
// Depending on what's active, we modify the
// end points with mouse deltas in local
// space
uint active = 0;
try
{
glActiveName(ref active);
}
catch (System.Exception)
{
return;
}
if (active == lineName && active != 0)
{
top[0] += (float)mousePointGlName.x; top[1] += (float)mousePointGlName.y; top[2] += (float)mousePointGlName.z;
bottom[0] += (float)mousePointGlName.x; bottom[1] += (float)mousePointGlName.y; bottom[2] += (float)mousePointGlName.z;
}
// Begin the drawing
view.beginGL();
// Get the starting value of the pickable items
uint glPickableItem = 0;
glFirstHandle(ref glPickableItem);
// Top
lineName = glPickableItem;
// Place before you draw the manipulator component that can
// be pickable.
colorAndName(view, glPickableItem, true, mainColor());
OpenGL.glBegin((uint)libOpenMayaRenderNet.MGL_LINES);
OpenGL.glVertex3d(top.x, top.y, top.z);
OpenGL.glVertex3d(bottom.x, bottom.y, bottom.z);
OpenGL.glEnd();
// End the drawing
view.endGL();
}
public override void draw(M3dView view, MDagPath path, M3dView.DisplayStyle style, M3dView.DisplayStatus status)
{
base.draw(view, path, style, status);
//
view.beginGL();
//MPoint textPos = new MPoint(nodeTranslation());
MPoint textPos = new MPoint(0,0,0);
String distanceText = "Two custom line manipulators";
view.drawText(distanceText, textPos, M3dView.TextPosition.kLeft);
//
view.endGL();
}
//
// Description:
// Draw the UV points for all uvs on this surface shape.
//
private void drawUVMapCoordNum( apiMeshGeom geom, M3dView view,
MTextureEditorDrawInfo info, bool drawNumbers)
{
view.beginGL();
float[] ptSize = new float[1];
OpenGL.glGetFloatv(OpenGL.GL_POINT_SIZE, ptSize);
OpenGL.glPointSize(UV_POINT_SIZE);
int uv;
uint uv_len = geom.uvcoords.uvcount();
for ( uv = 0; uv < uv_len; uv ++ ) {
float du = 0.0f;
float dv = 0.0f;
geom.uvcoords.getUV( uv, ref du, ref dv );
drawUVMapCoord( view, uv, du, dv, drawNumbers );
}
OpenGL.glPointSize(ptSize[0]);
view.endGL();
}
//
// Description:
// Draws the UV layout in wireframe mode.
//
private void drawUVWireframe( apiMeshGeom geom, M3dView view,
MTextureEditorDrawInfo info)
{
view.beginGL();
// Draw the polygons
//
int vid = 0;
int vid_start = 0;
for ( int i=0; i<geom.faceCount; i++ )
{
OpenGL.glBegin(OpenGL.GL_LINES);
uint v;
float du1 = 0.0f;
float dv1 = 0.0f;
float du2 = 0.0f;
float dv2 = 0.0f;
int uvId1, uvId2;
vid_start = vid;
for ( v=0; v<geom.face_counts[i]-1; v++ )
{
uvId1 = geom.uvcoords.uvId(vid);
uvId2 = geom.uvcoords.uvId(vid + 1);
geom.uvcoords.getUV( uvId1, ref du1, ref dv1 );
geom.uvcoords.getUV( uvId2, ref du2, ref dv2 );
OpenGL.glVertex3f( du1, dv1, 0.0f );
OpenGL.glVertex3f( du2, dv2, 0.0f );
vid++;
}
uvId1 = geom.uvcoords.uvId(vid);
uvId2 = geom.uvcoords.uvId(vid_start);
geom.uvcoords.getUV( uvId1, ref du1, ref dv1 );
geom.uvcoords.getUV( uvId2, ref du2, ref dv2 );
OpenGL.glVertex3f(du1, dv1, 0.0f);
OpenGL.glVertex3f(du2, dv2, 0.0f);
vid ++ ;
OpenGL.glEnd();
}
view.endGL();
}
//
// Description:
//
// Component (vertex) drawing routine
//
// Arguments:
//
// request - request to be drawn
// view - view to draw into
//
public void drawVertices( MDrawRequest request, M3dView view )
{
MDrawData data = request.drawData();
apiMeshGeom geom = (apiMeshGeom)data.geometry();
if (geom == null) return;
view.beginGL();
// Query current state so it can be restored
//
bool lightingWasOn = OpenGL.glIsEnabled(OpenGL.GL_LIGHTING) != 0;
if ( lightingWasOn ) {
OpenGL.glDisable(OpenGL.GL_LIGHTING);
}
float[] lastPointSize = new float[1];
OpenGL.glGetFloatv(OpenGL.GL_POINT_SIZE, lastPointSize);
// Set the point size of the vertices
//
OpenGL.glPointSize(POINT_SIZE);
// If there is a component specified by the draw request
// then loop over comp (using an MFnComponent class) and draw the
// active vertices, otherwise draw all vertices.
//
MObject comp = request.component;
if ( ! comp.isNull ) {
MFnSingleIndexedComponent fnComponent = new MFnSingleIndexedComponent( comp );
for ( int i=0; i<fnComponent.elementCount; i++ )
{
int index = fnComponent.element( i );
OpenGL.glBegin(OpenGL.GL_POINTS);
MPoint vertex = geom.vertices[ index ];
OpenGL.glVertex3f((float)vertex[0],
(float)vertex[1],
(float)vertex[2] );
OpenGL.glEnd();
string annotation = index.ToString();
view.drawText( annotation, vertex );
}
}
else {
int vid = 0;
for ( int i=0; i<geom.faceCount; i++ )
{
OpenGL.glBegin(OpenGL.GL_POINTS);
for ( int v=0; v<geom.face_counts[i]; v++ )
{
MPoint vertex = geom.vertices[ geom.face_connects[vid++] ];
OpenGL.glVertex3f((float)vertex[0],
(float)vertex[1],
(float)vertex[2] );
}
OpenGL.glEnd();
}
}
// Restore the state
//
if ( lightingWasOn ) {
OpenGL.glEnable(OpenGL.GL_LIGHTING);
}
OpenGL.glPointSize(lastPointSize[0]);
view.endGL();
}
//
// Description:
//
// Wireframe drawing routine
//
// Arguments:
//
// request - request to be drawn
// view - view to draw into
//
/////////////////////////////////////////////////////////////////////
//
// Helper routines
//
/////////////////////////////////////////////////////////////////////
public void drawWireframe( MDrawRequest request, M3dView view )
{
MDrawData data = request.drawData();
apiMeshGeom geom = (apiMeshGeom)data.geometry();
if (geom == null) return;
int token = request.token;
bool wireFrameOnShaded = false;
if ((int)DrawToken.kDrawWireframeOnShaded == token)
{
wireFrameOnShaded = true;
}
view.beginGL();
// Query current state so it can be restored
//
bool lightingWasOn = OpenGL.glIsEnabled(OpenGL.GL_LIGHTING) != 0;
if ( lightingWasOn ) {
OpenGL.glDisable(OpenGL.GL_LIGHTING);
}
if ( wireFrameOnShaded ) {
OpenGL.glDepthMask(0);
}
// Draw the wireframe mesh
//
int vid = 0;
for ( int i=0; i<geom.faceCount; i++ )
{
OpenGL.glBegin(OpenGL.GL_LINE_LOOP);
for ( int v=0; v<geom.face_counts[i]; v++ )
{
MPoint vertex = geom.vertices[ geom.face_connects[vid++] ];
OpenGL.glVertex3f((float)vertex[0], (float)vertex[1], (float)vertex[2]);
}
OpenGL.glEnd();
}
// Restore the state
//
if ( lightingWasOn ) {
OpenGL.glEnable(OpenGL.GL_LIGHTING);
}
if ( wireFrameOnShaded ) {
OpenGL.glDepthMask(1);
}
view.endGL();
}
//
// Description:
//
// Simple very fast draw routine
//
// Arguments:
//
// request - request to be drawn
// view - view to draw into
//
// for userInteraction example code
//
public void drawRedPointAtCenter( MDrawRequest request, M3dView view )
{
// Draw point
//
view.beginGL();
// save state
//
OpenGL.glPushAttrib(OpenGL.GL_CURRENT_BIT | OpenGL.GL_POINT_BIT);
OpenGL.glPointSize(20.0f);
OpenGL.glBegin(OpenGL.GL_POINTS);
OpenGL.glColor3f(1.0f, 0.0f, 0.0f);
OpenGL.glVertex3f(0.0f, 0.0f, 0.0f);
OpenGL.glEnd();
// restore state
//
OpenGL.glPopAttrib();
view.endGL();
}
//
// Description:
//
// Shaded drawing routine
//
// Arguments:
//
// request - request to be drawn
// view - view to draw into
//
public void drawShaded( MDrawRequest request, M3dView view )
{
MDrawData data = request.drawData();
apiMeshGeom geom = (apiMeshGeom)data.geometry();
if (geom == null) return;
view.beginGL();
OpenGL.glEnable(OpenGL.GL_POLYGON_OFFSET_FILL);
// Set up the material
//
MMaterial material = request.material;
material.setMaterial( request.multiPath, request.isTransparent );
// Enable texturing ...
//
// Note, Maya does not enable texturing if useDefaultMaterial is enabled.
// However, you can choose to ignore this in your draw routine.
//
bool drawTexture = material.materialIsTextured && !view.usingDefaultMaterial;
if (drawTexture)
{
OpenGL.glEnable(OpenGL.GL_TEXTURE_2D);
}
// Apply the texture to the current view
//
if ( drawTexture )
{
material.applyTexture( view, data );
}
// Draw the polygons
//
int vid = 0;
uint uv_len = geom.uvcoords.uvcount();
for ( int i=0; i<geom.faceCount; i++ )
{
OpenGL.glBegin(OpenGL.GL_POLYGON);
for ( int v=0; v < geom.face_counts[i]; v++ )
{
MPoint vertex = geom.vertices[ geom.face_connects[vid] ];
MVector normal = geom.normals[ geom.face_connects[vid] ];
if (uv_len > 0)
{
// If we are drawing the texture, make sure the coord
// arrays are in bounds.
if ( drawTexture ) {
int uvId1 = geom.uvcoords.uvId(vid);
if ( uvId1 < uv_len )
{
float tu = 0.0f;
float tv = 0.0f;
geom.uvcoords.getUV( uvId1, ref tu, ref tv );
OpenGL.glTexCoord2f( tu, tv );
}
}
}
OpenGL.glNormal3f((float)normal[0], (float)normal[1], (float)normal[2]);
OpenGL.glVertex3f((float)vertex[0], (float)vertex[1], (float)vertex[2]);
vid++;
}
OpenGL.glEnd();
}
// Turn off texture mode
//
if (drawTexture)
{
OpenGL.glDisable(OpenGL.GL_TEXTURE_2D);
}
view.endGL();
}
//
// Description:
//
// Bounding box drawing routine
//
// Arguments:
//
// request - request to be drawn
// view - view to draw into
//
public void drawBoundingBox( MDrawRequest request, M3dView view )
{
// Get the surface shape
MPxSurfaceShape shape = (MPxSurfaceShape)surfaceShape;
if ( shape == null )
return;
// Get the bounding box
MBoundingBox box = shape.boundingBox();
float w = (float) box.width;
float h = (float) box.height;
float d = (float) box.depth;
view.beginGL();
// Below we just two sides and then connect
// the edges together
MPoint minVertex = box.min;
// Draw first side
OpenGL.glBegin(OpenGL.GL_LINE_LOOP);
MPoint vertex = minVertex;
OpenGL.glVertex3f((float)vertex[0], (float)vertex[1], (float)vertex[2]);
OpenGL.glVertex3f((float)vertex[0] + w, (float)vertex[1], (float)vertex[2]);
OpenGL.glVertex3f((float)vertex[0] + w, (float)vertex[1] + h, (float)vertex[2]);
OpenGL.glVertex3f((float)vertex[0], (float)vertex[1] + h, (float)vertex[2]);
OpenGL.glVertex3f((float)vertex[0], (float)vertex[1], (float)vertex[2]);
OpenGL.glEnd();
// Draw second side
MVector sideFactor = new MVector(0, 0, d);
MPoint vertex2 = minVertex.plus( sideFactor );
OpenGL.glBegin(OpenGL.GL_LINE_LOOP);
OpenGL.glVertex3f((float)vertex2[0], (float)vertex2[1], (float)vertex2[2]);
OpenGL.glVertex3f((float)vertex2[0] + w, (float)vertex2[1], (float)vertex2[2]);
OpenGL.glVertex3f((float)vertex2[0] + w, (float)vertex2[1] + h, (float)vertex2[2]);
OpenGL.glVertex3f((float)vertex2[0], (float)vertex2[1] + h, (float)vertex2[2]);
OpenGL.glVertex3f((float)vertex2[0], (float)vertex2[1], (float)vertex2[2]);
OpenGL.glEnd();
// Connect the edges together
OpenGL.glBegin(OpenGL.GL_LINES);
OpenGL.glVertex3f((float)vertex2[0], (float)vertex2[1], (float)vertex2[2]);
OpenGL.glVertex3f((float)vertex[0], (float)vertex[1], (float)vertex[2]);
OpenGL.glVertex3f((float)vertex2[0] + w, (float)vertex2[1], (float)vertex2[2]);
OpenGL.glVertex3f((float)vertex[0] + w, (float)vertex[1], (float)vertex[2]);
OpenGL.glVertex3f((float)vertex2[0] + w, (float)vertex2[1] + h, (float)vertex2[2]);
OpenGL.glVertex3f((float)vertex[0] + w, (float)vertex[1] + h, (float)vertex[2]);
OpenGL.glVertex3f((float)vertex2[0], (float)vertex2[1] + h, (float)vertex2[2]);
OpenGL.glVertex3f((float)vertex[0], (float)vertex[1] + h, (float)vertex[2]);
OpenGL.glEnd();
view.endGL();
}
public void drawVertices(MDrawRequest request, M3dView view)
{
MDrawData data = request.drawData();
MVectorArray geom = data.geometry() as MVectorArray;
view.beginGL();
// Query current state so it can be restored
//
bool lightingWasOn = OpenGL.glIsEnabled(OpenGL.GL_LIGHTING) != 0 ? true : false;
if (lightingWasOn)
{
OpenGL.glDisable(OpenGL.GL_LIGHTING);
}
float lastPointSize;
getLastPointSize(out lastPointSize);
// Set the point size of the vertices
//
OpenGL.glPointSize(POINT_SIZE);
// If there is a component specified by the draw request
// then loop over comp (using an MFnComponent class) and draw the
// active vertices, otherwise draw all vertices.
//
MObject comp = request.component;
if (!comp.isNull)
{
MFnSingleIndexedComponent fnComponent = new MFnSingleIndexedComponent(comp);
for (int i = 0; i < fnComponent.elementCount; i++)
{
int index = fnComponent.element(i);
OpenGL.glBegin(OpenGL.GL_POINTS);
MVector point = geom[index];
OpenGL.glVertex3f((float)point[0],
(float)point[1],
(float)point[2]);
OpenGL.glEnd();
MPoint mp = new MPoint(point);
view.drawText(String.Format("{0}", index), mp);
}
}
else
{
for (int i = 0; i < geom.length; i++)
{
OpenGL.glBegin(OpenGL.GL_POINTS);
MVector point = geom[i];
OpenGL.glVertex3f((float)point[0], (float)point[1], (float)point[2]);
OpenGL.glEnd();
}
}
// Restore the state
//
if (lightingWasOn)
{
OpenGL.glEnable(OpenGL.GL_LIGHTING);
}
OpenGL.glPointSize(lastPointSize);
view.endGL();
}
/////////////////////////////////////////////////////////////////////
//
// Helper routines
//
/////////////////////////////////////////////////////////////////////
public void drawWireframe(MDrawRequest request, M3dView view)
//
// Description:
//
// Wireframe drawing routine
//
// Arguments:
//
// request - request to be drawn
// view - view to draw into
//
{
MDrawData data = request.drawData();
apiMeshGeom geom = (apiMeshGeom)data.geometry();
if (geom == null)
{
return;
}
int token = request.token;
bool wireFrameOnShaded = false;
if ((int)DrawToken.kDrawWireframeOnShaded == token)
{
wireFrameOnShaded = true;
}
view.beginGL();
// Query current state so it can be restored
//
bool lightingWasOn = OpenGL.glIsEnabled(OpenGL.GL_LIGHTING) != 0;
if (lightingWasOn)
{
OpenGL.glDisable(OpenGL.GL_LIGHTING);
}
if (wireFrameOnShaded)
{
OpenGL.glDepthMask(0);
}
// Draw the wireframe mesh
//
int vid = 0;
for (int i = 0; i < geom.faceCount; i++)
{
OpenGL.glBegin(OpenGL.GL_LINE_LOOP);
for (int v = 0; v < geom.face_counts[i]; v++)
{
MPoint vertex = geom.vertices[geom.face_connects[vid++]];
OpenGL.glVertex3f((float)vertex[0], (float)vertex[1], (float)vertex[2]);
}
OpenGL.glEnd();
}
// Restore the state
//
if (lightingWasOn)
{
OpenGL.glEnable(OpenGL.GL_LIGHTING);
}
if (wireFrameOnShaded)
{
OpenGL.glDepthMask(1);
}
view.endGL();
}
public void drawVertices(MDrawRequest request, M3dView view)
{
MDrawData data = request.drawData();
MVectorArray geom = data.geometry() as MVectorArray;
view.beginGL();
// Query current state so it can be restored
//
bool lightingWasOn = OpenGL.glIsEnabled(OpenGL.GL_LIGHTING) != 0 ? true : false;
if (lightingWasOn)
{
OpenGL.glDisable(OpenGL.GL_LIGHTING);
}
float lastPointSize;
getLastPointSize(out lastPointSize);
// Set the point size of the vertices
//
OpenGL.glPointSize(POINT_SIZE);
// If there is a component specified by the draw request
// then loop over comp (using an MFnComponent class) and draw the
// active vertices, otherwise draw all vertices.
//
MObject comp = request.component;
if (!comp.isNull)
{
MFnSingleIndexedComponent fnComponent = new MFnSingleIndexedComponent(comp);
for (int i = 0; i < fnComponent.elementCount; i++)
{
int index = fnComponent.element(i);
OpenGL.glBegin(OpenGL.GL_POINTS);
MVector point = geom[index];
OpenGL.glVertex3f((float)point[0],
(float)point[1],
(float)point[2]);
OpenGL.glEnd();
MPoint mp = new MPoint(point);
view.drawText(String.Format("{0}", index), mp);
}
}
else
{
for (int i = 0; i < geom.length; i++)
{
OpenGL.glBegin(OpenGL.GL_POINTS);
MVector point = geom[i];
OpenGL.glVertex3f((float)point[0], (float)point[1], (float)point[2]);
OpenGL.glEnd();
}
}
// Restore the state
//
if (lightingWasOn)
{
OpenGL.glEnable(OpenGL.GL_LIGHTING);
}
OpenGL.glPointSize(lastPointSize);
view.endGL();
}
// for userInteraction example code
//
public void drawRedPointAtCenter( MDrawRequest request, M3dView view )
//
// Description:
//
// Simple very fast draw routine
//
// Arguments:
//
// request - request to be drawn
// view - view to draw into
//
{
// Draw point
//
view.beginGL();
// save state
//
OpenGL.glPushAttrib(OpenGL.GL_CURRENT_BIT | OpenGL.GL_POINT_BIT);
OpenGL.glPointSize(20.0f);
OpenGL.glBegin(OpenGL.GL_POINTS);
OpenGL.glColor3f(1.0f, 0.0f, 0.0f);
OpenGL.glVertex3f(0.0f, 0.0f, 0.0f);
OpenGL.glEnd();
// restore state
//
OpenGL.glPopAttrib();
view.endGL();
}
