godot/modules/csg/csg_gizmos.cpp

316 lines
8.0 KiB
C++

#include "csg_gizmos.h"
///////////
String CSGShapeSpatialGizmo::get_handle_name(int p_idx) const {
if (Object::cast_to<CSGSphere>(cs)) {
return "Radius";
}
if (Object::cast_to<CSGBox>(cs)) {
static const char *hname[3] = { "Width", "Height", "Depth" };
return hname[p_idx];
}
if (Object::cast_to<CSGCylinder>(cs)) {
return p_idx == 0 ? "Radius" : "Height";
}
if (Object::cast_to<CSGTorus>(cs)) {
return p_idx == 0 ? "InnerRadius" : "OuterRadius";
}
return "";
}
Variant CSGShapeSpatialGizmo::get_handle_value(int p_idx) const {
if (Object::cast_to<CSGSphere>(cs)) {
CSGSphere *s = Object::cast_to<CSGSphere>(cs);
return s->get_radius();
}
if (Object::cast_to<CSGBox>(cs)) {
CSGBox *s = Object::cast_to<CSGBox>(cs);
switch (p_idx) {
case 0: return s->get_width();
case 1: return s->get_height();
case 2: return s->get_depth();
}
}
if (Object::cast_to<CSGCylinder>(cs)) {
CSGCylinder *s = Object::cast_to<CSGCylinder>(cs);
return p_idx == 0 ? s->get_radius() : s->get_height();
}
if (Object::cast_to<CSGTorus>(cs)) {
CSGTorus *s = Object::cast_to<CSGTorus>(cs);
return p_idx == 0 ? s->get_inner_radius() : s->get_outer_radius();
}
return Variant();
}
void CSGShapeSpatialGizmo::set_handle(int p_idx, Camera *p_camera, const Point2 &p_point) {
Transform gt = cs->get_global_transform();
gt.orthonormalize();
Transform gi = gt.affine_inverse();
Vector3 ray_from = p_camera->project_ray_origin(p_point);
Vector3 ray_dir = p_camera->project_ray_normal(p_point);
Vector3 sg[2] = { gi.xform(ray_from), gi.xform(ray_from + ray_dir * 16384) };
if (Object::cast_to<CSGSphere>(cs)) {
CSGSphere *s = Object::cast_to<CSGSphere>(cs);
Vector3 ra, rb;
Geometry::get_closest_points_between_segments(Vector3(), Vector3(4096, 0, 0), sg[0], sg[1], ra, rb);
float d = ra.x;
if (d < 0.001)
d = 0.001;
s->set_radius(d);
}
if (Object::cast_to<CSGBox>(cs)) {
CSGBox *s = Object::cast_to<CSGBox>(cs);
Vector3 axis;
axis[p_idx] = 1.0;
Vector3 ra, rb;
Geometry::get_closest_points_between_segments(Vector3(), axis * 4096, sg[0], sg[1], ra, rb);
float d = ra[p_idx];
if (d < 0.001)
d = 0.001;
switch (p_idx) {
case 0: s->set_width(d); break;
case 1: s->set_height(d); break;
case 2: s->set_depth(d); break;
}
}
if (Object::cast_to<CSGCylinder>(cs)) {
CSGCylinder *s = Object::cast_to<CSGCylinder>(cs);
Vector3 axis;
axis[p_idx == 0 ? 0 : 1] = 1.0;
Vector3 ra, rb;
Geometry::get_closest_points_between_segments(Vector3(), axis * 4096, sg[0], sg[1], ra, rb);
float d = axis.dot(ra);
if (d < 0.001)
d = 0.001;
if (p_idx == 0)
s->set_radius(d);
else if (p_idx == 1)
s->set_height(d * 2.0);
}
if (Object::cast_to<CSGTorus>(cs)) {
CSGTorus *s = Object::cast_to<CSGTorus>(cs);
Vector3 axis;
axis[0] = 1.0;
Vector3 ra, rb;
Geometry::get_closest_points_between_segments(Vector3(), axis * 4096, sg[0], sg[1], ra, rb);
float d = axis.dot(ra);
if (d < 0.001)
d = 0.001;
if (p_idx == 0)
s->set_inner_radius(d);
else if (p_idx == 1)
s->set_outer_radius(d);
}
}
void CSGShapeSpatialGizmo::commit_handle(int p_idx, const Variant &p_restore, bool p_cancel) {
if (Object::cast_to<CSGSphere>(cs)) {
CSGSphere *s = Object::cast_to<CSGSphere>(cs);
if (p_cancel) {
s->set_radius(p_restore);
return;
}
UndoRedo *ur = SpatialEditor::get_singleton()->get_undo_redo();
ur->create_action(TTR("Change Sphere Shape Radius"));
ur->add_do_method(s, "set_radius", s->get_radius());
ur->add_undo_method(s, "set_radius", p_restore);
ur->commit_action();
}
if (Object::cast_to<CSGBox>(cs)) {
CSGBox *s = Object::cast_to<CSGBox>(cs);
if (p_cancel) {
switch (p_idx) {
case 0: s->set_width(p_restore); break;
case 1: s->set_height(p_restore); break;
case 2: s->set_depth(p_restore); break;
}
return;
}
UndoRedo *ur = SpatialEditor::get_singleton()->get_undo_redo();
ur->create_action(TTR("Change Box Shape Extents"));
static const char *method[3] = { "set_width", "set_height", "set_depth" };
float current;
switch (p_idx) {
case 0: current = s->get_width(); break;
case 1: current = s->get_height(); break;
case 2: current = s->get_depth(); break;
}
ur->add_do_method(s, method[p_idx], current);
ur->add_undo_method(s, method[p_idx], p_restore);
ur->commit_action();
}
if (Object::cast_to<CSGCylinder>(cs)) {
CSGCylinder *s = Object::cast_to<CSGCylinder>(cs);
if (p_cancel) {
if (p_idx == 0)
s->set_radius(p_restore);
else
s->set_height(p_restore);
return;
}
UndoRedo *ur = SpatialEditor::get_singleton()->get_undo_redo();
if (p_idx == 0) {
ur->create_action(TTR("Change Cylinder Radius"));
ur->add_do_method(s, "set_radius", s->get_radius());
ur->add_undo_method(s, "set_radius", p_restore);
} else {
ur->create_action(TTR("Change Cylinder Height"));
ur->add_do_method(s, "set_height", s->get_height());
ur->add_undo_method(s, "set_height", p_restore);
}
ur->commit_action();
}
if (Object::cast_to<CSGTorus>(cs)) {
CSGTorus *s = Object::cast_to<CSGTorus>(cs);
if (p_cancel) {
if (p_idx == 0)
s->set_inner_radius(p_restore);
else
s->set_outer_radius(p_restore);
return;
}
UndoRedo *ur = SpatialEditor::get_singleton()->get_undo_redo();
if (p_idx == 0) {
ur->create_action(TTR("Change Torus Inner Radius"));
ur->add_do_method(s, "set_inner_radius", s->get_inner_radius());
ur->add_undo_method(s, "set_inner_radius", p_restore);
} else {
ur->create_action(TTR("Change Torus Outer Radius"));
ur->add_do_method(s, "set_outer_radius", s->get_outer_radius());
ur->add_undo_method(s, "set_outer_radius", p_restore);
}
ur->commit_action();
}
}
void CSGShapeSpatialGizmo::redraw() {
clear();
Color gizmo_color = EDITOR_GET("editors/3d_gizmos/gizmo_colors/csg");
Ref<Material> material = create_material("shape_material", gizmo_color);
PoolVector<Vector3> faces = cs->get_brush_faces();
Vector<Vector3> lines;
lines.resize(faces.size() * 2);
{
PoolVector<Vector3>::Read r = faces.read();
for (int i = 0; i < lines.size(); i += 6) {
int f = i / 6;
for (int j = 0; j < 3; j++) {
int j_n = (j + 1) % 3;
lines[i + j * 2 + 0] = r[f * 3 + j];
lines[i + j * 2 + 1] = r[f * 3 + j_n];
}
}
}
add_lines(lines, material);
add_collision_segments(lines);
if (Object::cast_to<CSGSphere>(cs)) {
CSGSphere *s = Object::cast_to<CSGSphere>(cs);
float r = s->get_radius();
Vector<Vector3> handles;
handles.push_back(Vector3(r, 0, 0));
add_handles(handles);
}
if (Object::cast_to<CSGBox>(cs)) {
CSGBox *s = Object::cast_to<CSGBox>(cs);
Vector<Vector3> handles;
handles.push_back(Vector3(s->get_width(), 0, 0));
handles.push_back(Vector3(0, s->get_height(), 0));
handles.push_back(Vector3(0, 0, s->get_depth()));
add_handles(handles);
}
if (Object::cast_to<CSGCylinder>(cs)) {
CSGCylinder *s = Object::cast_to<CSGCylinder>(cs);
Vector<Vector3> handles;
handles.push_back(Vector3(s->get_radius(), 0, 0));
handles.push_back(Vector3(0, s->get_height() * 0.5, 0));
add_handles(handles);
}
if (Object::cast_to<CSGTorus>(cs)) {
CSGTorus *s = Object::cast_to<CSGTorus>(cs);
Vector<Vector3> handles;
handles.push_back(Vector3(s->get_inner_radius(), 0, 0));
handles.push_back(Vector3(s->get_outer_radius(), 0, 0));
add_handles(handles);
}
}
CSGShapeSpatialGizmo::CSGShapeSpatialGizmo(CSGShape *p_cs) {
cs = p_cs;
set_spatial_node(p_cs);
}
Ref<SpatialEditorGizmo> EditorPluginCSG::create_spatial_gizmo(Spatial *p_spatial) {
if (Object::cast_to<CSGSphere>(p_spatial) || Object::cast_to<CSGBox>(p_spatial) || Object::cast_to<CSGCylinder>(p_spatial) || Object::cast_to<CSGTorus>(p_spatial) || Object::cast_to<CSGMesh>(p_spatial) || Object::cast_to<CSGPolygon>(p_spatial)) {
Ref<CSGShapeSpatialGizmo> csg = memnew(CSGShapeSpatialGizmo(Object::cast_to<CSGShape>(p_spatial)));
return csg;
}
return Ref<SpatialEditorGizmo>();
}
EditorPluginCSG::EditorPluginCSG(EditorNode *p_editor) {
EDITOR_DEF("editors/3d_gizmos/gizmo_colors/csg", Color(0.2, 0.5, 1, 0.1));
}