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Code Issues 150 Wiki Activity

feat(editor): context from path, modifier keys, radius grip, viewport hints

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This commit is contained in:
maj00r
2026-10-02 23:24:22 +02:00
parent e910af4712
commit 5caefa297b
3 changed files with 199 additions and 12 deletions
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175
application/editormodetrack.cpp
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@@ -134,8 +134,18 @@ void editor_mode::select_track(scene::basic_node *Node)
m_track_point = {};
m_node = track;
ui()->set_node(m_node);
if (ui()->mode() == nodebank_panel::TRACK && m_track_tab == track_tab::route && std::find(m_route.chain.tracks.begin(), m_route.chain.tracks.end(), track) == m_route.chain.tracks.end())
route_from_curve(*track);
if (ui()->mode() != nodebank_panel::TRACK || m_track_tab == track_tab::path)
return;
if (editor_track::is_straight(*track, m_straights.tolerance))
{
m_track_tab_request = 0;
m_track_tab = track_tab::straights;
}
else if (std::find(m_route.chain.tracks.begin(), m_route.chain.tracks.end(), track) != m_route.chain.tracks.end() || route_from_curve(*track))
{
m_track_tab_request = 1;
m_track_tab = track_tab::route;
}
}
bool editor_mode::pick_track_handle()
@@ -378,7 +388,7 @@ void editor_mode::push_track_snapshot(std::vector<std::pair<TTrack *, editor_tra
void editor_mode::restore_track_snapshot(EditorSnapshot const &Snapshot, std::vector<EditorSnapshot> &Opposite, bool const Undo)
{
if (Snapshot.tracks.empty())
if (Snapshot.tracks.empty() && Snapshot.created.empty() && Snapshot.removed.empty())
return;
std::vector<TTrack *> tracks;
@@ -397,11 +407,18 @@ void editor_mode::restore_track_snapshot(EditorSnapshot const &Snapshot, std::ve
{
for (auto *track : Snapshot.created)
editor_track::retire(*track);
for (auto *track : Snapshot.removed)
{
track->m_editorremoved = false;
tracks.push_back(track);
}
}
else
{
for (auto *track : Snapshot.created)
track->m_editorremoved = false;
for (auto *track : Snapshot.removed)
editor_track::retire(*track);
}
for (auto const &entry : Snapshot.tracks)
editor_track::apply(*entry.first, entry.second);
@@ -414,24 +431,26 @@ void editor_mode::restore_track_snapshot(EditorSnapshot const &Snapshot, std::ve
m_track_snap = {};
m_track_dirty = false;
if (m_node != tracks.front())
m_track_point = {};
m_node = tracks.front();
m_track_point = {};
m_node = tracks.empty() || tracks.front()->m_editorremoved ? nullptr : tracks.front();
ui()->set_node(m_node);
straight_refresh();
}
void editor_mode::render_track_ui()
{
if (ImGui::BeginTabBar("##trackediting"))
{
if (ImGui::BeginTabItem("Straights"))
auto const request{m_track_tab_request};
m_track_tab_request = -1;
if (ImGui::BeginTabItem("Straights", nullptr, request == 0 ? ImGuiTabItemFlags_SetSelected : 0))
{
m_track_tab = track_tab::straights;
m_route_tab = true;
render_straights_ui();
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("Route design"))
if (ImGui::BeginTabItem("Route design", nullptr, request == 1 ? ImGuiTabItemFlags_SetSelected : 0))
{
m_track_tab = track_tab::route;
m_route_tab = true;
@@ -661,6 +680,7 @@ void editor_mode::route_reset()
route.error.clear();
route.status.clear();
route.vertex = -1;
route.grip = -1;
route.result = {};
if (route.from == nullptr || route.to == nullptr)
return;
@@ -831,9 +851,25 @@ bool editor_mode::pick_route_vertex()
hit = i;
}
}
if (hit < 0)
int griphit{-1};
for (int i = 0; i < static_cast<int>(m_route.result.vertex_chainages.size()) && m_route.result.length > 0.0; ++i)
{
ImVec2 screen;
if (false == projection.project(alignment::evaluate(m_route.result, m_route.result.vertex_chainages[i]).position, screen))
continue;
float const dx = screen.x - mouse.x;
float const dy = screen.y - mouse.y;
if (dx * dx + dy * dy < best)
{
best = dx * dx + dy * dy;
griphit = i;
hit = -1;
}
}
if (hit < 0 && griphit < 0)
return false;
m_route.vertex = hit;
m_route.grip = griphit;
return true;
}
@@ -889,6 +925,15 @@ void editor_mode::draw_route_overlay() const
drawlist->AddCircleFilled(screen, 6.0f, IM_COL32(255, 210, 60, 255));
if (i == route.vertex)
drawlist->AddCircle(screen, 11.0f, IM_COL32(255, 255, 255, 255), 16, 2.5f);
if (i < static_cast<int>(result.vertex_chainages.size()) && result.length > 0.0 && projection.project(alignment::evaluate(result, result.vertex_chainages[i]).position, screen))
{
drawlist->AddCircleFilled(screen, 6.0f, IM_COL32(60, 230, 90, 255), 4);
if (i == route.grip)
drawlist->AddCircle(screen, 11.0f, IM_COL32(255, 255, 255, 255), 16, 2.5f);
char radius[24];
std::snprintf(radius, sizeof(radius), "R %.0f", i < static_cast<int>(result.curves.size()) ? result.curves[i].radius : design.vertices[i].radius);
drawlist->AddText(ImVec2(screen.x + 9.0f, screen.y + 4.0f), IM_COL32(60, 230, 90, 255), radius);
}
char label[8];
std::snprintf(label, sizeof(label), "W%d", i + 1);
drawlist->AddText(ImVec2(screen.x + 9.0f, screen.y - 18.0f), IM_COL32(255, 210, 60, 255), label);
@@ -899,7 +944,8 @@ void editor_mode::render_route_gizmo()
{
auto &route{m_route};
auto const count{static_cast<int>(route.design.vertices.size())};
if (route.vertex < 0 || route.vertex >= count || false == m_gizmo_enabled)
bool const grip{route.grip >= 0 && route.grip < count && route.grip < static_cast<int>(route.result.vertex_chainages.size())};
if ((false == grip && (route.vertex < 0 || route.vertex >= count)) || false == m_gizmo_enabled)
{
m_route_gizmo_using = false;
return;
@@ -914,7 +960,7 @@ void editor_mode::render_route_gizmo()
float const aspect = io.DisplaySize.y > 0.0f ? io.DisplaySize.x / io.DisplaySize.y : 1.0f;
glm::mat4 const projection = editor_mode::projection_matrix(aspect);
auto const position{route_vertex_position(route.vertex)};
auto const position{grip ? alignment::evaluate(route.result, route.result.vertex_chainages[route.grip]).position : route_vertex_position(route.vertex)};
if (false == m_route_gizmo_using)
m_route_gizmo = glm::translate(glm::mat4(1.0f), glm::vec3(position - camerapos));
glm::vec3 snapvalue(m_gizmo_snap);
@@ -923,11 +969,31 @@ void editor_mode::render_route_gizmo()
if (false == ImGuizmo::IsUsing())
{
m_route_gizmo_using = false;
if (m_route_gizmo_using)
{
m_route_gizmo_using = false;
route_apply();
}
return;
}
m_route_gizmo_using = true;
glm::dvec3 const moved{camerapos + glm::dvec3(m_route_gizmo[3])};
if (grip)
{
auto &vertex{route.design.vertices[route.grip]};
auto const corner{route_vertex_position(route.grip)};
auto const distance{glm::distance(glm::dvec2{moved.x, moved.z}, glm::dvec2{corner.x, corner.z})};
for (auto const &curve : route.result.curves)
{
if (curve.vertex != route.grip || vertex.reverse_turn)
continue;
auto const secant{1.0 / std::cos(curve.deflection * 0.5) - 1.0};
if (secant > 1e-6)
vertex.radius = std::max(10.0, std::round(distance / secant));
}
route_update();
return;
}
auto &vertex{route.design.vertices[route.vertex]};
glm::dvec2 const point{moved.x, moved.z};
if (count >= 2)
@@ -1564,6 +1630,12 @@ void editor_mode::straights_apply(std::vector<editor_track::straight> const &Lin
void editor_mode::render_straight_gizmo()
{
auto &state{m_straights};
if (state.tool_mouse)
{
glm::dvec3 const ground{Global.pCamera.Pos + GfxRenderer->Mouse_Position()};
state.tool_handle = {ground.x, state.tool_handle.y, ground.z};
return;
}
if (state.tool_placed && m_gizmo_enabled)
{
render_straight_tool_gizmo();
@@ -1896,3 +1968,82 @@ void editor_mode::apply_straight_tool()
}
state.tool_placed = false;
}
void editor_mode::start_straight_gesture(int const Tool)
{
auto &state{m_straights};
auto const previous{state.tool};
state.tool = Tool;
if (false == place_straight_tool())
{
state.tool = previous;
return;
}
state.tool_mouse = true;
}
void editor_mode::finish_straight_gesture()
{
auto &state{m_straights};
state.tool_mouse = false;
apply_straight_tool();
state.tool = 0;
state.tool_placed = false;
}
void editor_mode::toggle_straight_set(TTrack &Track)
{
auto &state{m_straights};
auto const line{editor_track::find_straight(Track, state.tolerance)};
if (line.tracks.empty())
return;
if (in_straight_set(line))
state.set.erase(std::remove_if(state.set.begin(), state.set.end(), [&](editor_track::straight const &Member) { return std::any_of(line.tracks.begin(), line.tracks.end(), [&](TTrack const *Other) { return std::find(Member.tracks.begin(), Member.tracks.end(), Other) != Member.tracks.end(); }); }), state.set.end());
else
state.set.push_back(line);
m_node = &Track;
ui()->set_node(m_node);
m_track_tab_request = 0;
m_track_tab = track_tab::straights;
}
void editor_mode::delete_selected_track()
{
auto *track{selected_track()};
if (track == nullptr || false == track->Dynamics.empty())
return;
EditorSnapshot snap;
snap.action = EditorSnapshot::Action::TrackEdit;
snap.node_name = track->name();
snap.position = track->location();
snap.removed = {track};
if (m_max_history_size >= 0 && (int)m_history.size() >= m_max_history_size)
m_history.erase(m_history.begin(), m_history.begin() + ((int)m_history.size() - m_max_history_size + 1));
m_history.push_back(std::move(snap));
g_redo.clear();
editor_track::retire(*track);
if (std::find(m_route.chain.tracks.begin(), m_route.chain.tracks.end(), track) != m_route.chain.tracks.end())
m_route = {};
m_node = nullptr;
ui()->set_node(nullptr);
m_track_point = {};
straight_refresh();
}
void editor_mode::draw_track_hints()
{
std::string hint;
if (m_track_tab == track_tab::straights)
hint = current_straight().tracks.empty() ? "LMB: select a straight or a curve" : "Drag the ends or the middle of the straight Ctrl+drag: break Shift+drag: S-curve Alt+click: add to the set Del: delete path";
else if (m_track_tab == track_tab::route)
hint = m_route.chain.tracks.empty() ? "LMB: select a curve" : "Drag the vertex (yellow) or the radius grip (green), the change is applied on release Ctrl+Z: undo";
else
hint = "LMB: select a path or a point handle";
hint += " O: top view";
ImGuiIO const &io = ImGui::GetIO();
auto *drawlist{ImGui::GetBackgroundDrawList()};
ImVec2 const position{12.0f, io.DisplaySize.y - 28.0f};
auto const size{ImGui::CalcTextSize(hint.c_str())};
drawlist->AddRectFilled(ImVec2(position.x - 6.0f, position.y - 4.0f), ImVec2(position.x + size.x + 6.0f, position.y + size.y + 4.0f), IM_COL32(0, 0, 0, 150), 4.0f);
drawlist->AddText(position, IM_COL32(255, 255, 255, 230), hint.c_str());
}