Tech ENABLE_WORLD_COORDINATE_SHOW_AXES - Show axes of the current reference system when sidebar hints are active for non-world reference systems

Fixed conflicts during rebase with master

src/slic3r/GUI/CoordAxes.cpp

@@ -0,0 +1,79 @@
+#include "libslic3r/libslic3r.h"
+
+#include "CoordAxes.hpp"
+#include "GUI_App.hpp"
+#include "3DScene.hpp"
+
+#include <GL/glew.h>
+
+#if ENABLE_WORLD_COORDINATE_SHOW_AXES
+
+namespace Slic3r {
+namespace GUI {
+
+const float CoordAxes::DefaultStemRadius = 0.5f;
+const float CoordAxes::DefaultStemLength = 25.0f;
+const float CoordAxes::DefaultTipRadius = 2.5f * CoordAxes::DefaultStemRadius;
+const float CoordAxes::DefaultTipLength = 5.0f;
+
+void CoordAxes::render(float emission_factor)
+{
+    auto render_axis = [this](const Transform3f& transform) {
+        glsafe(::glPushMatrix());
+        glsafe(::glMultMatrixf(transform.data()));
+        m_arrow.render();
+        glsafe(::glPopMatrix());
+    };
+
+    if (!m_arrow.is_initialized())
+        m_arrow.init_from(stilized_arrow(16, m_tip_radius, m_tip_length, m_stem_radius, m_stem_length));
+
+    GLShaderProgram* curr_shader = wxGetApp().get_current_shader();
+    bool shader_differs = (curr_shader == nullptr || curr_shader->get_name() != "gouraud_light");
+
+    GLShaderProgram* shader = wxGetApp().get_shader("gouraud_light");
+    if (shader == nullptr)
+        return;
+
+    if (shader_differs) {
+        if (curr_shader != nullptr)
+            curr_shader->stop_using();
+        shader->start_using();
+    }
+    shader->set_uniform("emission_factor", emission_factor);
+
+    // x axis
+#if ENABLE_LEGACY_OPENGL_REMOVAL
+    m_arrow.set_color(ColorRGBA::X());
+#else
+    m_arrow.set_color(-1, ColorRGBA::X());
+#endif // ENABLE_LEGACY_OPENGL_REMOVAL
+    render_axis(Geometry::assemble_transform(m_origin, { 0.0, 0.5 * M_PI, 0.0 }).cast<float>());
+
+    // y axis
+#if ENABLE_LEGACY_OPENGL_REMOVAL
+    m_arrow.set_color(ColorRGBA::Y());
+#else
+    m_arrow.set_color(-1, ColorRGBA::Y());
+#endif // ENABLE_LEGACY_OPENGL_REMOVAL
+    render_axis(Geometry::assemble_transform(m_origin, { -0.5 * M_PI, 0.0, 0.0 }).cast<float>());
+
+    // z axis
+#if ENABLE_LEGACY_OPENGL_REMOVAL
+    m_arrow.set_color(ColorRGBA::Z());
+#else
+    m_arrow.set_color(-1, ColorRGBA::Z());
+#endif // ENABLE_LEGACY_OPENGL_REMOVAL
+    render_axis(Geometry::assemble_transform(m_origin).cast<float>());
+
+    if (shader_differs) {
+        shader->stop_using();
+        if (curr_shader != nullptr)
+            curr_shader->start_using();
+    }
+}
+
+} // GUI
+} // Slic3r
+
+#endif // ENABLE_WORLD_COORDINATE_SHOW_AXES