void GameView::onGui()
{
PROFILE_FUNCTION();
if (!m_pipeline->isReady()) return;
auto& io = ImGui::GetIO();
bool is_foreground_win = PlatformInterface::isWindowActive();
if (m_is_mouse_captured && (io.KeysDown[ImGui::GetKeyIndex(ImGuiKey_Escape)] ||
!m_editor->isGameMode() || !is_foreground_win))
{
captureMouse(false);
}
const char* window_name = "Game View###game_view";
if (m_is_mouse_captured) window_name = "Game View (mouse captured)###game_view";
if (ImGui::BeginDock(window_name, &m_is_opened))
{
m_is_mouse_hovering_window = ImGui::IsMouseHoveringWindow();
auto content_min = ImGui::GetCursorScreenPos();
auto size = ImGui::GetContentRegionAvail();
size.y -= ImGui::GetTextLineHeightWithSpacing();
ImVec2 content_max(content_min.x + size.x, content_min.y + size.y);
if (size.x > 0 && size.y > 0)
{
auto pos = ImGui::GetWindowPos();
auto cp = ImGui::GetCursorPos();
m_pipeline->setViewport(0, 0, int(size.x), int(size.y));
auto* fb = m_pipeline->getFramebuffer("default");
m_texture_handle = fb->getRenderbufferHandle(0);
ImGui::Image(&m_texture_handle, size);
if (ImGui::Checkbox("Pause", &m_paused))
{
m_editor->getEngine().pause(m_paused);
}
if (m_paused)
{
ImGui::SameLine();
if (ImGui::Button("Next frame"))
{
m_editor->getEngine().nextFrame();
}
}
ImGui::SameLine();
if (ImGui::DragFloat("m_time_multiplier", &m_time_multiplier, 0.01f, 0.01f, 30.0f))
{
m_editor->getEngine().setTimeMultiplier(m_time_multiplier);
}
m_pipeline->render();
}
if (m_is_mouse_captured)
{
PlatformInterface::clipCursor(
content_min.x, content_min.y, content_max.x, content_max.y);
if (io.KeysDown[ImGui::GetKeyIndex(ImGuiKey_Escape)] || !m_editor->isGameMode())
{
captureMouse(false);
}
}
if (ImGui::IsMouseHoveringRect(content_min, content_max) && m_is_mouse_hovering_window &&
ImGui::IsMouseClicked(0) && m_editor->isGameMode())
{
captureMouse(true);
}
}
ImGui::EndDock();
}
void SceneView::onGUI()
{
PROFILE_FUNCTION();
m_is_opened = false;
ImVec2 view_pos;
const char* title = "Scene View###Scene View";
if (m_log_ui && m_log_ui->getUnreadErrorCount() > 0)
{
title = "Scene View | errors in log###Scene View";
}
if (ImGui::BeginDock(title, nullptr, ImGuiWindowFlags_NoScrollWithMouse))
{
m_is_opened = true;
auto size = ImGui::GetContentRegionAvail();
size.y -= ImGui::GetTextLineHeightWithSpacing();
auto* fb = m_pipeline->getFramebuffer("default");
if (size.x > 0 && size.y > 0 && fb)
{
auto pos = ImGui::GetWindowPos();
m_pipeline->setViewport(0, 0, int(size.x), int(size.y));
m_texture_handle = fb->getRenderbufferHandle(0);
auto cursor_pos = ImGui::GetCursorScreenPos();
m_screen_x = int(cursor_pos.x);
m_screen_y = int(cursor_pos.y);
m_width = int(size.x);
m_height = int(size.y);
auto content_min = ImGui::GetCursorScreenPos();
ImVec2 content_max(content_min.x + size.x, content_min.y + size.y);
if (m_is_opengl)
{
ImGui::Image(&m_texture_handle, size, ImVec2(0, 1), ImVec2(1, 0));
}
else
{
ImGui::Image(&m_texture_handle, size);
}
view_pos = content_min;
auto rel_mp = ImGui::GetMousePos();
rel_mp.x -= m_screen_x;
rel_mp.y -= m_screen_y;
if (ImGui::IsItemHovered())
{
m_editor->getGizmo().enableStep(m_toggle_gizmo_step_action->isActive());
for (int i = 0; i < 3; ++i)
{
if (ImGui::IsMouseClicked(i))
{
ImGui::ResetActiveID();
if(i == 1) captureMouse(true);
m_editor->onMouseDown((int)rel_mp.x, (int)rel_mp.y, (Lumix::MouseButton::Value)i);
break;
}
}
}
if (m_is_mouse_captured || ImGui::IsItemHovered())
{
auto& input = m_editor->getEngine().getInputSystem();
auto delta = Lumix::Vec2(input.getMouseXMove(), input.getMouseYMove());
if (delta.x != 0 || delta.y != 0)
{
m_editor->onMouseMove((int)rel_mp.x, (int)rel_mp.y, (int)delta.x, (int)delta.y);
}
}
for (int i = 0; i < 3; ++i)
{
auto rel_mp = ImGui::GetMousePos();
rel_mp.x -= m_screen_x;
rel_mp.y -= m_screen_y;
if (ImGui::IsMouseReleased(i))
{
if (i == 1) captureMouse(false);
m_editor->onMouseUp((int)rel_mp.x, (int)rel_mp.y, (Lumix::MouseButton::Value)i);
}
}
m_pipeline->render();
}
ImGui::PushItemWidth(60);
ImGui::DragFloat("Camera speed", &m_camera_speed, 0.1f, 0.01f, 999.0f, "%.2f");
ImGui::SameLine();
if (m_editor->isMeasureToolActive())
{
ImGui::Text("| Measured distance: %f", m_editor->getMeasuredDistance());
}
ImGui::SameLine();
int step = m_editor->getGizmo().getStep();
if (ImGui::DragInt("Gizmo step", &step, 1.0f, 0, 200))
{
m_editor->getGizmo().setStep(step);
}
ImGui::SameLine();
ImGui::Checkbox("Stats", &m_show_stats);
m_pipeline->callLuaFunction("onGUI");
}
ImGui::EndDock();
if(m_show_stats)
{
view_pos.x += ImGui::GetStyle().FramePadding.x;
view_pos.y += ImGui::GetStyle().FramePadding.y;
ImGui::SetNextWindowPos(view_pos);
auto col = ImGui::GetStyle().Colors[ImGuiCol_WindowBg];
col.w = 0.3f;
ImGui::PushStyleColor(ImGuiCol_WindowBg, col);
if (ImGui::Begin("###stats_overlay",
nullptr,
ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_AlwaysAutoResize |
ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoSavedSettings |
ImGuiWindowFlags_ShowBorders))
{
const auto& stats = m_pipeline->getStats();
ImGui::LabelText("Draw calls", "%d", stats.draw_call_count);
ImGui::LabelText("Instances", "%d", stats.instance_count);
char buf[30];
Lumix::toCStringPretty(stats.triangle_count, buf, Lumix::lengthOf(buf));
ImGui::LabelText("Triangles", "%s", buf);
ImGui::LabelText("Resolution", "%dx%d", m_pipeline->getWidth(), m_pipeline->getHeight());
ImGui::LabelText("FPS", "%.2f", m_editor->getEngine().getFPS());
ImGui::LabelText("CPU time", "%.2f", m_pipeline->getCPUTime() * 1000.0f);
ImGui::LabelText("GPU time", "%.2f", m_pipeline->getGPUTime() * 1000.0f);
ImGui::LabelText("Waiting for submit", "%.2f", m_pipeline->getWaitSubmitTime() * 1000.0f);
ImGui::LabelText("Waiting for render thread", "%.2f", m_pipeline->getGPUTime() * 1000.0f);
}
ImGui::End();
ImGui::PopStyleColor();
}
}
