void MyPosition::RenderAccuracy(ScreenBase const & screen,
ref_ptr<dp::GpuProgramManager> mng,
dp::UniformValuesStorage const & commonUniforms)
{
dp::UniformValuesStorage uniforms = commonUniforms;
m2::PointD accuracyPoint(m_position.x + m_accuracy, m_position.y);
float pixelAccuracy = (screen.GtoP(accuracyPoint) - screen.GtoP(m_position)).Length();
uniforms.SetFloatValue("u_position", m_position.x, m_position.y, dp::depth::POSITION_ACCURACY);
uniforms.SetFloatValue("u_accuracy", pixelAccuracy);
uniforms.SetFloatValue("u_opacity", 1.0);
RenderPart(mng, uniforms, MY_POSITION_ACCURACY);
}
void RulerHelper::Update(ScreenBase const & screen)
{
m2::PointD pivot = screen.PixelRect().Center();
int const minPxWidth = my::rounds(MinPixelWidth * df::VisualParams::Instance().GetVisualScale());
m2::PointD pt1 = screen.PtoG(pivot);
m2::PointD pt0 = screen.PtoG(pivot - m2::PointD(minPxWidth, 0));
double const distanceInMetres = MercatorBounds::DistanceOnEarth(pt0, pt1);
// convert metres to units for calculating m_metresDiff
double metersDiff = CalcMetresDiff(distanceInMetres);
bool const higherThanMax = metersDiff > MaxMetersWidth;
bool const lessThanMin = metersDiff < MinMetersWidth;
m_pixelLength = minPxWidth;
if (higherThanMax)
m_pixelLength = minPxWidth * 3 / 2;
else if (!lessThanMin)
{
double const a = ang::AngleTo(pt1, pt0);
pt0 = MercatorBounds::GetSmPoint(pt1, cos(a) * metersDiff, sin(a) * metersDiff);
m_pixelLength = my::rounds(pivot.Length(screen.GtoP(pt0)));
}
int drawScale = df::GetDrawTileScale(screen);
if (m_currentDrawScale < VISIBLE_RULER_BOTTOM_SCALE &&
drawScale >= VISIBLE_RULER_BOTTOM_SCALE)
{
SetTextDirty();
}
m_currentDrawScale = drawScale;
}
bool IsPanningAndRotate(ScreenBase const & s1, ScreenBase const & s2)
{
m2::RectD const & r1 = s1.GlobalRect().GetLocalRect();
m2::RectD const & r2 = s2.GlobalRect().GetLocalRect();
m2::PointD c1 = r1.Center();
m2::PointD c2 = r2.Center();
m2::PointD globPt(c1.x - r1.minX(),
c1.y - r1.minY());
m2::PointD p1 = s1.GtoP(s1.GlobalRect().ConvertFrom(c1)) - s1.GtoP(s1.GlobalRect().ConvertFrom(c1 + globPt));
m2::PointD p2 = s2.GtoP(s2.GlobalRect().ConvertFrom(c2)) - s2.GtoP(s2.GlobalRect().ConvertFrom(c2 + globPt));
return p1.EqualDxDy(p2, 0.00001);
}
void SelectionShape::Render(ScreenBase const & screen, int zoomLevel, ref_ptr<dp::GpuProgramManager> mng,
dp::UniformValuesStorage const & commonUniforms)
{
ShowHideAnimation::EState state = m_animation.GetState();
if (state == ShowHideAnimation::STATE_VISIBLE ||
state == ShowHideAnimation::STATE_SHOW_DIRECTION)
{
dp::UniformValuesStorage uniforms = commonUniforms;
TileKey const key = GetTileKeyByPoint(m_position, ClipTileZoomByMaxDataZoom(zoomLevel));
math::Matrix<float, 4, 4> mv = key.GetTileBasedModelView(screen);
uniforms.SetMatrix4x4Value("modelView", mv.m_data);
m2::PointD const pos = MapShape::ConvertToLocal(m_position, key.GetGlobalRect().Center(), kShapeCoordScalar);
uniforms.SetFloatValue("u_position", pos.x, pos.y, -m_positionZ);
float accuracy = m_mapping.GetValue(m_animation.GetT());
if (screen.isPerspective())
{
m2::PointD const pt1 = screen.GtoP(m_position);
m2::PointD const pt2(pt1.x + 1, pt1.y);
float const scale = screen.PtoP3d(pt2).x - screen.PtoP3d(pt1).x;
accuracy /= scale;
}
uniforms.SetFloatValue("u_accuracy", accuracy);
uniforms.SetFloatValue("u_opacity", 1.0f);
m_renderNode->Render(mng, uniforms);
}
}
void MyPosition::RenderAccuracy(ScreenBase const & screen, int zoomLevel,
ref_ptr<dp::GpuProgramManager> mng,
dp::UniformValuesStorage const & commonUniforms)
{
dp::UniformValuesStorage uniforms = commonUniforms;
m2::PointD accuracyPoint(m_position.x + m_accuracy, m_position.y);
float pixelAccuracy = (screen.GtoP(accuracyPoint) - screen.GtoP(m_position)).Length();
TileKey const key = GetTileKeyByPoint(m_position, ClipTileZoomByMaxDataZoom(zoomLevel));
math::Matrix<float, 4, 4> mv = key.GetTileBasedModelView(screen);
uniforms.SetMatrix4x4Value("modelView", mv.m_data);
m2::PointD const pos = MapShape::ConvertToLocal(m_position, key.GetGlobalRect().Center(), kShapeCoordScalar);
uniforms.SetFloatValue("u_position", pos.x, pos.y, 0.0f);
uniforms.SetFloatValue("u_accuracy", pixelAccuracy);
uniforms.SetFloatValue("u_opacity", 1.0f);
RenderPart(mng, uniforms, MY_POSITION_ACCURACY);
}
bool SelectionShape::IsVisible(ScreenBase const & screen, m2::PointD & pxPos) const
{
m2::PointD const pt = screen.GtoP(m_position);
ShowHideAnimation::EState state = m_animation.GetState();
if ((state == ShowHideAnimation::STATE_VISIBLE || state == ShowHideAnimation::STATE_SHOW_DIRECTION) &&
!screen.IsReverseProjection3d(pt))
{
pxPos = screen.PtoP3d(pt, -m_positionZ);
return true;
}
return false;
}
math::Matrix<float, 4, 4> Arrow3d::CalculateTransform(ScreenBase const & screen, float dz) const
{
double arrowScale = VisualParams::Instance().GetVisualScale() * kArrowSize;
if (screen.isPerspective())
{
static double const kLog2 = log(2.0);
double const kMaxZoom = scales::UPPER_STYLE_SCALE + 1.0;
double const zoomLevel = my::clamp(fabs(log(screen.GetScale()) / kLog2), kArrow3dMinZoom, kMaxZoom);
double const t = (zoomLevel - kArrow3dMinZoom) / (kMaxZoom - kArrow3dMinZoom);
arrowScale *= (kArrow3dScaleMin * (1.0 - t) + kArrow3dScaleMax * t);
}
double const scaleX = arrowScale * 2.0 / screen.PixelRect().SizeX();
double const scaleY = arrowScale * 2.0 / screen.PixelRect().SizeY();
double const scaleZ = screen.isPerspective() ? (0.002 * screen.GetDepth3d()) : 1.0;
m2::PointD const pos = screen.GtoP(m_position);
double const dX = 2.0 * pos.x / screen.PixelRect().SizeX() - 1.0;
double const dY = 2.0 * pos.y / screen.PixelRect().SizeY() - 1.0;
math::Matrix<float, 4, 4> scaleM = math::Identity<float, 4>();
scaleM(0, 0) = scaleX;
scaleM(1, 1) = scaleY;
scaleM(2, 2) = scaleZ;
math::Matrix<float, 4, 4> rotateM = math::Identity<float, 4>();
rotateM(0, 0) = cos(m_azimuth + screen.GetAngle());
rotateM(0, 1) = -sin(m_azimuth + screen.GetAngle());
rotateM(1, 0) = -rotateM(0, 1);
rotateM(1, 1) = rotateM(0, 0);
math::Matrix<float, 4, 4> translateM = math::Identity<float, 4>();
translateM(3, 0) = dX;
translateM(3, 1) = -dY;
translateM(3, 2) = dz;
math::Matrix<float, 4, 4> modelTransform = rotateM * scaleM * translateM;
if (screen.isPerspective())
return modelTransform * math::Matrix<float, 4, 4>(screen.Pto3dMatrix());
return modelTransform;
}
void SelectionShape::Render(ScreenBase const & screen, ref_ptr<dp::GpuProgramManager> mng,
dp::UniformValuesStorage const & commonUniforms)
{
ShowHideAnimation::EState state = m_animation.GetState();
if (state == ShowHideAnimation::STATE_VISIBLE ||
state == ShowHideAnimation::STATE_SHOW_DIRECTION)
{
dp::UniformValuesStorage uniforms = commonUniforms;
uniforms.SetFloatValue("u_position", m_position.x, m_position.y, -m_positionZ);
float accuracy = m_mapping.GetValue(m_animation.GetT());
if (screen.isPerspective())
{
m2::PointD const pt1 = screen.GtoP(m_position);
m2::PointD const pt2(pt1.x + 1, pt1.y);
float const scale = screen.PtoP3d(pt2).x - screen.PtoP3d(pt1).x;
accuracy /= scale;
}
uniforms.SetFloatValue("u_accuracy", accuracy);
uniforms.SetFloatValue("u_opacity", 1.0f);
m_renderNode->Render(mng, uniforms);
}
}
inline m2::PointD GtoP(m2::PointD const & p) const { return m_currentModelView.GtoP(p); }
m2::PointD g2p(m2::PointD const & pt) const
{
return m_convertor->GtoP(pt);
}
void Arrow3d::Render(ScreenBase const & screen, ref_ptr<dp::GpuProgramManager> mng)
{
// Unbind current VAO, because glVertexAttributePointer and glEnableVertexAttribute can affect it.
GLFunctions::glBindVertexArray(0);
ref_ptr<dp::GpuProgram> prg = mng->GetProgram(gpu::ARROW_3D_PROGRAM);
prg->Bind();
if (!m_isInitialized)
{
Build(prg);
m_isInitialized = true;
}
dp::ApplyState(m_state, prg);
static double const kLog2 = log(2.0);
double const kMaxZoom = scales::UPPER_STYLE_SCALE + 1.0;
double const zoomLevel = my::clamp(fabs(log(screen.GetScale()) / kLog2), kArrow3dMinZoom, kMaxZoom);
double const t = (zoomLevel - kArrow3dMinZoom) / (kMaxZoom - kArrow3dMinZoom);
double const arrowScale = kArrow3dScaleMin * (1.0 - t) + kArrow3dScaleMax * t;
double const scaleX = m_pixelWidth * arrowScale * 2.0 / screen.PixelRect().SizeX() / kArrowSizeX;
double const scaleY = m_pixelHeight * arrowScale * 2.0 / screen.PixelRect().SizeY() / kArrowSizeY;
double const scaleZ = scaleX;
m2::PointD const pos = screen.GtoP(m_position);
double const dX = 2.0 * pos.x / screen.PixelRect().SizeX() - 1.0;
double const dY = 2.0 * pos.y / screen.PixelRect().SizeY() - 1.0;
math::Matrix<float, 4, 4> scaleM = math::Identity<float, 4>();
scaleM(0, 0) = scaleX;
scaleM(1, 1) = scaleY;
scaleM(2, 2) = scaleZ;
math::Matrix<float, 4, 4> rotateM = math::Identity<float, 4>();
rotateM(0, 0) = cos(m_azimuth + screen.GetAngle());
rotateM(0, 1) = -sin(m_azimuth + screen.GetAngle());
rotateM(1, 0) = -rotateM(0, 1);
rotateM(1, 1) = rotateM(0, 0);
math::Matrix<float, 4, 4> translateM = math::Identity<float, 4>();
translateM(3, 0) = dX;
translateM(3, 1) = -dY;
math::Matrix<float, 4, 4> modelTransform = rotateM * scaleM * translateM;
modelTransform = modelTransform * math::Matrix<float, 4, 4>(screen.Pto3dMatrix());
dp::UniformValuesStorage uniforms;
uniforms.SetMatrix4x4Value("m_transform", modelTransform.m_data);
dp::ApplyUniforms(uniforms, prg);
GLFunctions::glBindBuffer(m_bufferId, gl_const::GLArrayBuffer);
GLFunctions::glEnableVertexAttribute(m_attributePosition);
GLFunctions::glVertexAttributePointer(m_attributePosition, 3, gl_const::GLFloatType, false, 0, 0);
GLFunctions::glBindBuffer(m_bufferNormalsId, gl_const::GLArrayBuffer);
GLFunctions::glEnableVertexAttribute(m_attributeNormal);
GLFunctions::glVertexAttributePointer(m_attributeNormal, 3, gl_const::GLFloatType, false, 0, 0);
GLFunctions::glDrawArrays(gl_const::GLTriangles, 0, m_vertices.size() / 3);
prg->Unbind();
GLFunctions::glBindBuffer(0, gl_const::GLArrayBuffer);
}