588 lines
19 KiB
C++
588 lines
19 KiB
C++
// SPDX-License-Identifier: LGPL-2.1-or-later
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/***************************************************************************
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* Copyright (c) 2011 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include <FCConfig.h>
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#ifdef FC_OS_WIN32
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# include <windows.h>
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#endif
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#ifdef FC_OS_MACOSX
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# include <OpenGL/gl.h>
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#else
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# include <GL/gl.h>
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#endif
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#include <algorithm>
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#include <limits>
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#include <Inventor/SoPickedPoint.h>
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#include <Inventor/SoPrimitiveVertex.h>
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#include <Inventor/actions/SoGetBoundingBoxAction.h>
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#include <Inventor/actions/SoGLRenderAction.h>
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#include <Inventor/bundles/SoMaterialBundle.h>
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#include <Inventor/details/SoLineDetail.h>
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#include <Inventor/elements/SoCoordinateElement.h>
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#include <Inventor/elements/SoGLCoordinateElement.h>
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#include <Inventor/elements/SoLineWidthElement.h>
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#include <Inventor/errors/SoDebugError.h>
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#include <Inventor/misc/SoState.h>
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#include <Inventor/nodes/SoGroup.h>
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#include <Inventor/actions/SoSearchAction.h>
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#include <Gui/Selection/SoFCUnifiedSelection.h>
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#include <Gui/Selection/Selection.h>
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#include <Base/Console.h>
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#include "SoBrepEdgeSet.h"
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#include "SoBrepFaceSet.h"
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#include "ViewProviderExt.h"
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#include <Gui/Inventor/So3DAnnotation.h>
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using namespace PartGui;
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SO_NODE_SOURCE(SoBrepEdgeSet)
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struct SoBrepEdgeSet::SelContext: Gui::SoFCSelectionContext
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{
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std::vector<int32_t> hl, sl;
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};
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void SoBrepEdgeSet::initClass()
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{
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SO_NODE_INIT_CLASS(SoBrepEdgeSet, SoIndexedLineSet, "IndexedLineSet");
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}
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SoBrepEdgeSet::SoBrepEdgeSet()
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: selContext(std::make_shared<SelContext>())
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, selContext2(std::make_shared<SelContext>())
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{
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SO_NODE_CONSTRUCTOR(SoBrepEdgeSet);
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}
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void SoBrepEdgeSet::GLRender(SoGLRenderAction* action)
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{
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auto state = action->getState();
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selCounter.checkRenderCache(state);
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SelContextPtr ctx2;
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SelContextPtr ctx = Gui::SoFCSelectionRoot::getRenderContext<SelContext>(this, selContext, ctx2);
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if (ctx2 && ctx2->selectionIndex.empty()) {
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return;
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}
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bool hasContextHighlight = ctx && !ctx->hl.empty();
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bool hasFaceHighlight = viewProvider && viewProvider->isFaceHighlightActive();
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bool hasAnyHighlight = hasContextHighlight || hasFaceHighlight;
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if (Gui::Selection().isClarifySelectionActive()
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&& !Gui::SoDelayedAnnotationsElement::isProcessingDelayedPaths && hasAnyHighlight) {
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// if we are using clarifyselection - add this to delayed paths with priority
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// as we want to get this rendered on top of everything
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if (viewProvider) {
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viewProvider->setFaceHighlightActive(true);
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}
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Gui::SoDelayedAnnotationsElement::addDelayedPath(
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action->getState(),
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action->getCurPath()->copy(),
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200
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);
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return;
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}
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if (selContext2->checkGlobal(ctx)) {
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if (selContext2->isSelectAll()) {
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selContext2->sl.clear();
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selContext2->sl.push_back(-1);
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}
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else if (ctx) {
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selContext2->sl = ctx->sl;
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}
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if (selContext2->highlightIndex == std::numeric_limits<int>::max()) {
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selContext2->hl.clear();
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selContext2->hl.push_back(-1);
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}
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else if (ctx) {
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selContext2->hl = ctx->hl;
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}
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ctx = selContext2;
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}
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if (ctx && ctx->highlightIndex == std::numeric_limits<int>::max()) {
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if (ctx->selectionIndex.empty() || ctx->isSelectAll()) {
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if (ctx2) {
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ctx2->selectionColor = ctx->highlightColor;
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renderSelection(action, ctx2);
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}
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else {
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renderHighlight(action, ctx);
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}
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}
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else {
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if (!action->isRenderingDelayedPaths()) {
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renderSelection(action, ctx);
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}
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if (ctx2) {
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ctx2->selectionColor = ctx->highlightColor;
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renderSelection(action, ctx2);
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}
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else {
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renderHighlight(action, ctx);
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}
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if (action->isRenderingDelayedPaths()) {
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renderSelection(action, ctx);
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}
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}
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return;
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}
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if (!action->isRenderingDelayedPaths()) {
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renderHighlight(action, ctx);
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}
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if (ctx && !ctx->selectionIndex.empty()) {
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if (ctx->isSelectAll()) {
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if (ctx2) {
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ctx2->selectionColor = ctx->selectionColor;
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renderSelection(action, ctx2);
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}
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else if (ctx->isSelectAll()) {
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renderSelection(action, ctx);
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}
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if (action->isRenderingDelayedPaths()) {
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renderHighlight(action, ctx);
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}
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return;
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}
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if (!action->isRenderingDelayedPaths()) {
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renderSelection(action, ctx);
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}
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}
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if (ctx2 && !ctx2->selectionIndex.empty()) {
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renderSelection(action, ctx2, false);
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}
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else if (Gui::Selection().isClarifySelectionActive()
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&& !Gui::SoDelayedAnnotationsElement::isProcessingDelayedPaths && hasAnyHighlight) {
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state->push();
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glDepthMask(false);
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glDisable(GL_DEPTH_TEST);
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inherited::GLRender(action);
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state->pop();
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}
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else {
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inherited::GLRender(action);
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}
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// Workaround for #0000433
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// #if !defined(FC_OS_WIN32)
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if (!action->isRenderingDelayedPaths()) {
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renderHighlight(action, ctx);
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}
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if (ctx && !ctx->selectionIndex.empty()) {
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renderSelection(action, ctx);
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}
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if (action->isRenderingDelayedPaths()) {
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renderHighlight(action, ctx);
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}
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// #endif
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}
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void SoBrepEdgeSet::GLRenderBelowPath(SoGLRenderAction* action)
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{
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inherited::GLRenderBelowPath(action);
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}
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void SoBrepEdgeSet::getBoundingBox(SoGetBoundingBoxAction* action)
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{
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SelContextPtr ctx2 = Gui::SoFCSelectionRoot::getSecondaryActionContext<SelContext>(action, this);
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if (!ctx2 || (ctx2->sl.size() == 1 && ctx2->sl[0] < 0)) {
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inherited::getBoundingBox(action);
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return;
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}
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if (ctx2->sl.empty()) {
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return;
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}
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auto state = action->getState();
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auto coords = SoCoordinateElement::getInstance(state);
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const SbVec3f* coords3d = coords->getArrayPtr3();
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if (!validIndexes(coords, ctx2->sl)) {
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return;
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}
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SbBox3f bbox;
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int32_t i;
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const int32_t* cindices = &ctx2->sl[0];
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const int32_t* end = cindices + ctx2->sl.size();
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while (cindices < end) {
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bbox.extendBy(coords3d[*cindices++]);
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i = (cindices < end) ? *cindices++ : -1;
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while (i >= 0) {
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bbox.extendBy(coords3d[i]);
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i = cindices < end ? *cindices++ : -1;
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}
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}
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if (!bbox.isEmpty()) {
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action->extendBy(bbox);
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}
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}
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void SoBrepEdgeSet::renderShape(
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const SoGLCoordinateElement* const coords,
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const int32_t* cindices,
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int numindices
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)
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{
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const SbVec3f* coords3d = coords->getArrayPtr3();
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int32_t i;
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int previ;
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const int32_t* end = cindices + numindices;
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while (cindices < end) {
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glBegin(GL_LINE_STRIP);
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previ = *cindices++;
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i = (cindices < end) ? *cindices++ : -1;
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while (i >= 0) {
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glVertex3fv((const GLfloat*)(coords3d + previ));
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glVertex3fv((const GLfloat*)(coords3d + i));
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previ = i;
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i = cindices < end ? *cindices++ : -1;
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}
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glEnd();
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}
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}
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void SoBrepEdgeSet::renderHighlight(SoGLRenderAction* action, SelContextPtr ctx)
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{
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if (!ctx || ctx->highlightIndex < 0) {
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return;
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}
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SoState* state = action->getState();
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state->push();
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// SoLineWidthElement::set(state, this, 4.0f);
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SoLazyElement::setEmissive(state, &ctx->highlightColor);
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packedColor = ctx->highlightColor.getPackedValue(0.0);
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SoLazyElement::setPacked(state, this, 1, &packedColor, false);
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const SoCoordinateElement* coords;
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const SbVec3f* normals;
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const int32_t* cindices;
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int numcindices;
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const int32_t* nindices;
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const int32_t* tindices;
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const int32_t* mindices;
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SbBool normalCacheUsed;
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this->getVertexData(
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state,
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coords,
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normals,
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cindices,
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nindices,
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tindices,
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mindices,
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numcindices,
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false,
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normalCacheUsed
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);
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SoMaterialBundle mb(action);
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mb.sendFirst(); // make sure we have the correct material
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int num = (int)ctx->hl.size();
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if (num > 0) {
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if (ctx->hl[0] < 0) {
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renderShape(static_cast<const SoGLCoordinateElement*>(coords), cindices, numcindices);
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}
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else {
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const int32_t* id = &(ctx->hl[0]);
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if (!validIndexes(coords, ctx->hl)) {
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SoDebugError::postWarning(
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"SoBrepEdgeSet::renderHighlight",
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"highlightIndex out of range"
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);
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}
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else {
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renderShape(static_cast<const SoGLCoordinateElement*>(coords), id, num);
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}
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}
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}
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state->pop();
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}
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void SoBrepEdgeSet::renderSelection(SoGLRenderAction* action, SelContextPtr ctx, bool push)
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{
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SoState* state = action->getState();
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if (push) {
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state->push();
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// SoLineWidthElement::set(state, this, 4.0f);
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SoLazyElement::setEmissive(state, &ctx->selectionColor);
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packedColor = ctx->selectionColor.getPackedValue(0.0);
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SoLazyElement::setPacked(state, this, 1, &packedColor, false);
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}
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const SoCoordinateElement* coords;
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const SbVec3f* normals;
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const int32_t* cindices;
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int numcindices;
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const int32_t* nindices;
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const int32_t* tindices;
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const int32_t* mindices;
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SbBool normalCacheUsed;
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this->getVertexData(
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state,
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coords,
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normals,
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cindices,
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nindices,
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tindices,
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mindices,
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numcindices,
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false,
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normalCacheUsed
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);
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SoMaterialBundle mb(action);
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mb.sendFirst(); // make sure we have the correct material
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int num = (int)ctx->sl.size();
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if (num > 0) {
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if (ctx->sl[0] < 0) {
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renderShape(static_cast<const SoGLCoordinateElement*>(coords), cindices, numcindices);
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}
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else {
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cindices = &(ctx->sl[0]);
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numcindices = (int)ctx->sl.size();
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if (!validIndexes(coords, ctx->sl)) {
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SoDebugError::postWarning(
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"SoBrepEdgeSet::renderSelection",
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"selectionIndex out of range"
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);
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}
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else {
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renderShape(static_cast<const SoGLCoordinateElement*>(coords), cindices, numcindices);
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}
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}
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}
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if (push) {
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state->pop();
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}
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}
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bool SoBrepEdgeSet::validIndexes(const SoCoordinateElement* coords, const std::vector<int32_t>& pts) const
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{
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for (int32_t it : pts) {
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if (it >= coords->getNum()) {
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return false;
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}
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}
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return true;
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}
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void SoBrepEdgeSet::doAction(SoAction* action)
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{
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if (action->getTypeId() == Gui::SoHighlightElementAction::getClassTypeId()) {
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Gui::SoHighlightElementAction* hlaction = static_cast<Gui::SoHighlightElementAction*>(action);
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selCounter.checkAction(hlaction);
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if (!hlaction->isHighlighted()) {
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SelContextPtr ctx
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= Gui::SoFCSelectionRoot::getActionContext(action, this, selContext, false);
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if (ctx) {
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ctx->highlightIndex = -1;
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ctx->hl.clear();
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touch();
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}
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return;
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}
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const SoDetail* detail = hlaction->getElement();
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if (!detail) {
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SelContextPtr ctx = Gui::SoFCSelectionRoot::getActionContext(action, this, selContext);
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ctx->highlightColor = hlaction->getColor();
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ctx->highlightIndex = std::numeric_limits<int>::max();
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ctx->hl.clear();
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ctx->hl.push_back(-1);
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touch();
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return;
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}
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if (!detail->isOfType(SoLineDetail::getClassTypeId())) {
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SelContextPtr ctx
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= Gui::SoFCSelectionRoot::getActionContext(action, this, selContext, false);
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if (ctx) {
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ctx->highlightIndex = -1;
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ctx->hl.clear();
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touch();
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}
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return;
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}
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SelContextPtr ctx = Gui::SoFCSelectionRoot::getActionContext(action, this, selContext);
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ctx->highlightColor = hlaction->getColor();
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int index = static_cast<const SoLineDetail*>(detail)->getLineIndex();
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const int32_t* cindices = this->coordIndex.getValues(0);
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int numcindices = this->coordIndex.getNum();
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ctx->hl.clear();
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for (int section = 0, i = 0; i < numcindices; i++) {
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if (cindices[i] < 0) {
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if (++section > index) {
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break;
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}
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}
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else if (section == index) {
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ctx->hl.push_back(cindices[i]);
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}
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}
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if (!ctx->hl.empty()) {
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ctx->highlightIndex = index;
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}
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else {
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ctx->highlightIndex = -1;
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}
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touch();
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return;
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}
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else if (action->getTypeId() == Gui::SoSelectionElementAction::getClassTypeId()) {
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Gui::SoSelectionElementAction* selaction = static_cast<Gui::SoSelectionElementAction*>(action);
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switch (selaction->getType()) {
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case Gui::SoSelectionElementAction::None: {
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if (selaction->isSecondary()) {
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if (Gui::SoFCSelectionRoot::removeActionContext(action, this)) {
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touch();
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}
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}
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else {
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SelContextPtr ctx
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= Gui::SoFCSelectionRoot::getActionContext(action, this, selContext, false);
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if (ctx) {
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ctx->selectionIndex.clear();
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ctx->sl.clear();
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touch();
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}
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}
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return;
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}
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case Gui::SoSelectionElementAction::All: {
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SelContextPtr ctx = Gui::SoFCSelectionRoot::getActionContext(action, this, selContext);
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selCounter.checkAction(selaction, ctx);
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ctx->selectionColor = selaction->getColor();
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ctx->selectionIndex.clear();
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ctx->selectionIndex.insert(-1); // all
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ctx->sl.clear();
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ctx->sl.push_back(-1);
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touch();
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return;
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}
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case Gui::SoSelectionElementAction::Append:
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case Gui::SoSelectionElementAction::Remove: {
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const SoDetail* detail = selaction->getElement();
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if (!detail || !detail->isOfType(SoLineDetail::getClassTypeId())) {
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if (selaction->isSecondary()) {
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// For secondary context, a detail of different type means
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// the user may want to partial render only other type of
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// geometry. So we call below to obtain a action context.
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// If no secondary context exist, it will create an empty
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// one, and an empty secondary context inhibites drawing
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// here.
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auto ctx = Gui::SoFCSelectionRoot::getActionContext(action, this, selContext);
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selCounter.checkAction(selaction, ctx);
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touch();
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}
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return;
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}
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int index = static_cast<const SoLineDetail*>(detail)->getLineIndex();
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SelContextPtr ctx;
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if (selaction->getType() == Gui::SoSelectionElementAction::Append) {
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ctx = Gui::SoFCSelectionRoot::getActionContext(action, this, selContext);
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selCounter.checkAction(selaction, ctx);
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ctx->selectionColor = selaction->getColor();
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if (ctx->isSelectAll()) {
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ctx->selectionIndex.clear();
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}
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if (!ctx->selectionIndex.insert(index).second) {
|
|
return;
|
|
}
|
|
}
|
|
else {
|
|
ctx = Gui::SoFCSelectionRoot::getActionContext(action, this, selContext, false);
|
|
if (!ctx || !ctx->removeIndex(index)) {
|
|
return;
|
|
}
|
|
}
|
|
ctx->sl.clear();
|
|
if (!ctx->selectionIndex.empty()) {
|
|
const int32_t* cindices = this->coordIndex.getValues(0);
|
|
int numcindices = this->coordIndex.getNum();
|
|
auto it = ctx->selectionIndex.begin();
|
|
for (int section = 0, i = 0; i < numcindices; i++) {
|
|
if (section == *it) {
|
|
ctx->sl.push_back(cindices[i]);
|
|
}
|
|
if (cindices[i] < 0) {
|
|
if (++section > *it) {
|
|
if (++it == ctx->selectionIndex.end()) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
touch();
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
inherited::doAction(action);
|
|
}
|
|
|
|
SoDetail* SoBrepEdgeSet::createLineSegmentDetail(
|
|
SoRayPickAction* action,
|
|
const SoPrimitiveVertex* v1,
|
|
const SoPrimitiveVertex* v2,
|
|
SoPickedPoint* pp
|
|
)
|
|
{
|
|
SoDetail* detail = inherited::createLineSegmentDetail(action, v1, v2, pp);
|
|
SoLineDetail* line_detail = static_cast<SoLineDetail*>(detail);
|
|
int index = line_detail->getLineIndex();
|
|
line_detail->setPartIndex(index);
|
|
return detail;
|
|
}
|