mirror of
https://gitlab.com/OpenMW/openmw.git
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Multiple shapes to draw
adds wireCube primitive scale of the command taken into account shading light is more vertical
This commit is contained in:
florent.teppe
parent
93af569a68
commit
76008e1ff8
@ -31,14 +31,21 @@ namespace MWRenderDebug
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osg::Uniform* uTrans = const_cast<osg::Uniform*>( stateSet->getUniform("trans"));
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osg::Uniform* uCol = const_cast<osg::Uniform*>( stateSet->getUniform("passColor"));
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osg::Uniform* uScale = const_cast<osg::Uniform*>( stateSet->getUniform("scale"));
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auto transLocation = pcp->getUniformLocation(uTrans->getNameID() );
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auto colLocation = pcp->getUniformLocation(uCol->getNameID() );
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auto scaleLocation = pcp->getUniformLocation(uScale->getNameID() );
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for (int i = 0; i < mCubesToDraw.size(); i++)
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for (int i = 0; i < mShapsToDraw.size(); i++)
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{
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osg::Vec3f translation = mCubesToDraw[i].mPosition;
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osg::Vec3f color = mCubesToDraw[i].mColor;
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const auto& shapeToDraw = mShapsToDraw[i];
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osg::Vec3f translation = shapeToDraw.mPosition;
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osg::Vec3f color = shapeToDraw.mColor;
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osg::Vec3f scale = shapeToDraw.mDims;
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if (uTrans)
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ext->glUniform3f(transLocation, translation.x(), translation.y(), translation.z());
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@ -46,7 +53,22 @@ namespace MWRenderDebug
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{
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ext->glUniform3f(colLocation, color.x(), color.y(), color.z());
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}
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this->mCubeGeometry->drawImplementation(renderInfo);
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if (uScale)
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{
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ext->glUniform3f(scaleLocation, scale.x(), scale.y(), scale.z());
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}
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switch (shapeToDraw.mDrawShape)
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{
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case DrawShape::Cube:
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this->mCubeGeometry->drawImplementation(renderInfo);
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break;
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case DrawShape::Cylinder:
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this->mCylinderGeometry->drawImplementation(renderInfo);
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break;
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case DrawShape::WireCube:
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this->mWireCubeGeometry->drawImplementation(renderInfo);
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break;
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}
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}
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@ -54,6 +76,61 @@ namespace MWRenderDebug
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}
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}
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static osg::Vec3 sphereCoordToCarthesian(float theta ,float phi ,float r )
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{
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osg::Vec3 returnVec = osg::Vec3(0.0,0.0,0.0);
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float phiToHorizontal = osg::PI_2 - phi ;
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returnVec.x() = std::cos( theta);
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returnVec.y() = std::sin( theta);
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returnVec.z() = std::sin(phiToHorizontal);
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returnVec.x() *= std::cos(phiToHorizontal);
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returnVec.y() *= std::cos(phiToHorizontal);
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returnVec.x() *= r;
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returnVec.z() *= r;
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returnVec.y() *= r;
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return returnVec;
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}
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static void generateWireCube(osg::Geometry& geom, float dim)
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{
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osg::ref_ptr<osg::Vec3Array> vertices = new osg::Vec3Array;
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osg::ref_ptr<osg::Vec3Array> normals = new osg::Vec3Array;
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geom.setVertexAttribArray(0, vertices, osg::Array::BIND_PER_VERTEX);
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geom.setVertexAttribArray(1, normals, osg::Array::BIND_PER_VERTEX);
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osg::Vec2i indexPos[] = { osg::Vec2i(0,0),osg::Vec2i(1,0),osg::Vec2i(1,1),osg::Vec2i(0,1) };
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for (int i = 0; i < 4; i++)
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{
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osg::Vec3 vert1 = osg::Vec3(indexPos[i].x() - 0.5, indexPos[i].y()- 0.5, 0.5);
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int next = (i + 1) % 4;
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osg::Vec3 vert2 = osg::Vec3(indexPos[next].x()- 0.5, indexPos[next].y()- 0.5, 0.5);
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vertices->push_back(vert1 * dim);
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vertices->push_back(vert2 * dim);
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vert1.z() *= -1;
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vert2.z() *= -1;
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vertices->push_back(vert1 * dim);
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vertices->push_back(vert2 * dim);
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auto vert3 = vert1;
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vert3.z() *= -1;
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vertices->push_back(vert1 * dim);
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vertices->push_back(vert3 * dim);
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}
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for (int i = 0; i < vertices->size(); i ++)
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{
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normals->push_back(osg::Vec3(1., 1., 1.));
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}
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geom.addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::LINES, 0, vertices->size()));
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}
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static void generateCube(osg::Geometry& geom, float dim)
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{
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@ -105,6 +182,113 @@ static void generateCube(osg::Geometry& geom, float dim)
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}
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static void generateCylinder(osg::Geometry& geom, float radius, float height, int subdiv)
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{
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osg::ref_ptr<osg::Vec3Array> vertices = new osg::Vec3Array;
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osg::ref_ptr<osg::Vec3Array> normals = new osg::Vec3Array;
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osg::ref_ptr<osg::DrawElementsUShort> indices = new osg::DrawElementsUShort(osg::DrawElementsUShort::TRIANGLES, 0);
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int vertexCount = subdiv * 4 + 2; //2 discs + top and bottom + 2 center
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indices->reserve(vertexCount );
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int iVertex = 0;
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int beginTop = iVertex;
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auto topNormal = osg::Vec3(0.,0.,1.);
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//top disk
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for (int i = 0 ;i < subdiv; i++)
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{
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float theta = (float(i )/ float(subdiv )) * osg::PI * 2.;
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osg::Vec3 pos= sphereCoordToCarthesian(theta, osg::PI_2, 1.);
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pos *= radius;
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pos.z() = height / 2.;
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vertices->push_back(pos);
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normals->push_back(topNormal);
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iVertex+=1;
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}
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auto centerTop = iVertex;
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//centerTop
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{
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vertices->push_back(osg::Vec3(0.,0.,height/2.));
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normals->push_back(topNormal);
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iVertex+=1;
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}
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auto centerBot = iVertex;
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//centerBot
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{
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vertices->push_back(osg::Vec3(0.,0.,-height/2));
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normals->push_back(-topNormal);
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iVertex+=1;
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}
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//bottom disk
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auto begin_bot = iVertex;
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for (int i = 0 ;i < subdiv; i++)
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{
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float theta = float(i)/ float(subdiv) * osg::PI*2.;
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osg::Vec3 pos= sphereCoordToCarthesian(theta, osg::PI_2, 1.);
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pos *= radius;
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pos.z() = - height / 2.;
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vertices->push_back(pos);
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normals->push_back(-topNormal);
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iVertex+=1;
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}
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//sides
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int beginSide = iVertex;
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for (int i = 0 ;i < subdiv; i++)
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{
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float theta = float(i )/ float(subdiv) * osg::PI*2.;
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osg::Vec3 normal = sphereCoordToCarthesian(theta, osg::PI_2, 1.);
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auto posTop = normal;
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posTop *= radius;
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auto posBot = posTop;
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posTop.z() = height /2.;
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posBot.z() = -height /2.;
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vertices->push_back(posTop);
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normals->push_back(normal);
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iVertex+=1;
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vertices->push_back(posBot);
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normals->push_back(normal);
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iVertex+=1;
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}
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//create triangles sides
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for (int i = 0 ;i < subdiv; i++)
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{
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auto next_vert = (i+1)%subdiv;
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auto v1 = (beginSide + 2 *i);
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auto v2 = (beginSide + 2 *i +1);
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auto v3 = (beginSide + 2 *next_vert);
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auto v4 = (beginSide + 2 *next_vert +1);
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indices->push_back(v1);
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indices->push_back(v2);
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indices->push_back(v4);
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indices->push_back(v4);
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indices->push_back(v3);
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indices->push_back(v1);
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}
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for (int i = 0 ;i < subdiv; i++)
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{
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auto next_vert = (i+1)%subdiv;
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auto top1 = (beginTop + i) ;
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auto top2 = (beginTop + next_vert) ;
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auto bot1 = (begin_bot + i) ;
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auto bot2 = (begin_bot + next_vert) ;
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indices->push_back(top2);
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indices->push_back(centerTop);
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indices->push_back(top1);
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indices->push_back(bot1);
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indices->push_back(centerBot);
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indices->push_back(bot2);
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}
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geom.setVertexAttribArray(0, vertices, osg::Array::BIND_PER_VERTEX);
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geom.setVertexAttribArray(1, normals, osg::Array::BIND_PER_VERTEX);
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geom.addPrimitiveSet(indices);
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}
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MWRenderDebug::DebugDrawer::DebugDrawer(MWRender::RenderingManager& renderingManager,osg::ref_ptr<osg::Group> parentNode)
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{
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auto& shaderManager = renderingManager.getResourceSystem()->getSceneManager()->getShaderManager();
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@ -112,25 +296,33 @@ MWRenderDebug::DebugDrawer::DebugDrawer(MWRender::RenderingManager& renderingMan
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auto fragmentShader = shaderManager.getShader("debugDraw_fragment.glsl", Shader::ShaderManager::DefineMap(), osg::Shader::Type::FRAGMENT);
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auto program = shaderManager.getProgram(vertexShader, fragmentShader);
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program->addBindAttribLocation("aPos", 0);
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program->addBindAttribLocation("aNormal", 1);
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mCubeGeometry = new osg::Geometry;
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mcustomCubesDrawer = new CubeCustomDraw(mCubeGeometry, mCubesToDrawRead, mDrawCallMutex);
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mcustomCubesDrawer = new CubeCustomDraw(mCubeGeometry, mShapesToDrawRead, mDrawCallMutex);
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osg::StateSet* stateset = mcustomCubesDrawer->getOrCreateStateSet();
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stateset->addUniform(new osg::Uniform("passColor", osg::Vec3f(1., 1., 1.)));
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stateset->addUniform(new osg::Uniform("trans", osg::Vec3f(1., 1., 1.)));
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stateset->addUniform(new osg::Uniform("scale", osg::Vec3f(1., 1., 1.)));
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stateset->setAttributeAndModes(program, osg::StateAttribute::ON);
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stateset->setMode(GL_DEPTH_TEST, GL_TRUE);
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stateset->setMode(GL_CULL_FACE, GL_TRUE);
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mCubeGeometry->setCullingActive(false);
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mCubeGeometry->setSupportsDisplayList(false);
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mCubeGeometry->setUseVertexBufferObjects(true);
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generateCube(*mCubeGeometry,50.);
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generateCube(*mCubeGeometry,1.);
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auto cylinderGeom = new osg::Geometry;
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cylinderGeom->setSupportsDisplayList(false);
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cylinderGeom->setUseVertexBufferObjects(true);
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mcustomCubesDrawer->mCylinderGeometry = cylinderGeom;
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generateCylinder(*cylinderGeom, .5, 1., 20);
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mCubeGeometry->setStateSet(stateset->clone(osg::CopyOp::DEEP_COPY_ALL)->asStateSet());
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auto wireCube = new osg::Geometry;
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wireCube->setSupportsDisplayList(false);
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wireCube->setUseVertexBufferObjects(true);
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mcustomCubesDrawer->mWireCubeGeometry = wireCube;
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generateWireCube(*wireCube, 1.);
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//mCubeGeometry->setStateSet(stateset->clone(osg::CopyOp::DEEP_COPY_ALL)->asStateSet());
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parentNode->addChild(mcustomCubesDrawer);
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}
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@ -139,14 +331,24 @@ void MWRenderDebug::DebugDrawer::update()
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{
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{
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std::lock_guard lock(mDrawCallMutex);
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mCubesToDrawRead.swap(mCubesToDrawWrite);
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mShapesToDrawRead.swap(mShapesToDrawWrite);
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}
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mCubesToDrawWrite.clear();
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mShapesToDrawWrite.clear();
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}
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void MWRenderDebug::DebugDrawer::drawCube(osg::Vec3f mPosition, osg::Vec3f mDims, osg::Vec3f mColor)
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{
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mCubesToDrawWrite.push_back({ mDims, mColor, mPosition });
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mShapesToDrawWrite.push_back({mPosition, mDims, mColor, DrawShape::Cube});
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}
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void MWRenderDebug::DebugDrawer::drawCubeMinMax(osg::Vec3f min, osg::Vec3f max, osg::Vec3f color)
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{
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osg::Vec3 dims = max - min;
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osg::Vec3 pos = min + dims * 0.5f;
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drawCube(pos, dims, color);
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}
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void MWRenderDebug::DebugDrawer::addDrawCall(const DrawCall& draw)
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{
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mShapesToDrawWrite.push_back(draw);
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}
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@ -19,25 +19,41 @@ namespace MWRenderDebug
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static const osg::Vec3f colorBlack = osg::Vec3(0., 0., 0.);
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static const osg::Vec3f colorDarkGrey= osg::Vec3(0.25, 0.25, 0.25);
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struct CubeDraw
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enum class DrawShape
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{
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Cube,
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Cylinder,
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WireCube,
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};
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struct DrawCall
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{
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osg::Vec3f mPosition;
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osg::Vec3f mDims;
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osg::Vec3f mColor;
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osg::Vec3f mPosition;
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DrawShape mDrawShape;
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static DrawCall cube(osg::Vec3f pos, osg::Vec3 dims = osg::Vec3(50., 50., 50.), osg::Vec3 color = colorWhite) { return { pos, dims, color, DrawShape::Cube}; }
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static DrawCall wireCube(osg::Vec3f pos, osg::Vec3 dims = osg::Vec3(50., 50., 50.), osg::Vec3 color = colorWhite) { return { pos, dims, color, DrawShape::WireCube}; }
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static DrawCall cylinder(osg::Vec3f pos, osg::Vec3 dims = osg::Vec3(50., 50., 50.), osg::Vec3 color = colorWhite) { return { pos, dims, color, DrawShape::Cylinder}; }
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};
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class CubeCustomDraw : public osg::Drawable
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{
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public:
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CubeCustomDraw(osg::ref_ptr<osg::Geometry>& CubeGeometry, std::vector<CubeDraw>& cubesToDraw,std::mutex& mutex) : mCubeGeometry( CubeGeometry), mCubesToDraw(cubesToDraw),mDrawCallMutex(mutex) {}
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CubeCustomDraw(osg::ref_ptr<osg::Geometry>& CubeGeometry, std::vector<DrawCall>& cubesToDraw,std::mutex& mutex) : mCubeGeometry( CubeGeometry), mShapsToDraw(cubesToDraw),mDrawCallMutex(mutex) {}
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std::vector<CubeDraw>& mCubesToDraw;
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std::vector<DrawCall>& mShapsToDraw;
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std::mutex& mDrawCallMutex;
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osg::ref_ptr<osg::Geometry> mCubeGeometry;
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osg::ref_ptr<osg::Geometry> mCylinderGeometry;
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osg::ref_ptr<osg::Geometry> mWireCubeGeometry;
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virtual osg::BoundingSphere computeBound() const
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{
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return osg::BoundingSphere();
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@ -52,15 +68,17 @@ namespace MWRenderDebug
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DebugDrawer(MWRender::RenderingManager& manager,osg::ref_ptr<osg::Group> parentNode);
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void update();
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void drawCube(osg::Vec3f mPosition, osg::Vec3f mDims = osg::Vec3(50.,50.,50.), osg::Vec3f mColor = osg::Vec3(1.,1.,1.));
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void drawCubeMinMax(osg::Vec3f min, osg::Vec3f max, osg::Vec3f mColor = osg::Vec3(1.,1.,1.));
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void addDrawCall(const DrawCall& draw);
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private:
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std::vector<CubeDraw> mCubesToDrawRead;
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std::vector<CubeDraw> mCubesToDrawWrite;
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std::vector<DrawCall> mShapesToDrawRead;
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std::vector<DrawCall> mShapesToDrawWrite;
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std::mutex mDrawCallMutex;
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osg::ref_ptr<CubeCustomDraw> mcustomCubesDrawer;
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osg::ref_ptr<osg::Geometry> mCubeGeometry;
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void drawCube(osg::Vec3f mPosition, osg::Vec3f mDims = osg::Vec3(50.,50.,50.), osg::Vec3f mColor = osg::Vec3(1.,1.,1.));
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};
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}
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@ -7,7 +7,7 @@ out vec4 fragColor;
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void main()
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{
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vec3 lightDir = normalize(vec3(-1.,-2.,-0.5));
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vec3 lightDir = normalize(vec3(-1.,-0.5,-2.));
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float lightAttenuation = dot(-lightDir, vertexNormal) * 0.5 + 0.5;
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@ -10,6 +10,7 @@ uniform mat4 projectionMatrix;
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uniform vec3 passColor;
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uniform vec3 trans;
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uniform vec3 scale;
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layout (location = 0) in vec3 aPos;
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layout (location = 1) in vec3 aNormal;
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@ -19,7 +20,7 @@ out vec3 vertexNormal;
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void main()
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{
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gl_Position = projectionMatrix * gl_ModelViewMatrix * vec4(aPos + trans, 1.);
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gl_Position = projectionMatrix * gl_ModelViewMatrix * vec4(aPos * scale + trans, 1.);
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vertexNormal = aNormal;
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vertexColor = passColor.xyz;
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