godot/tools/editor/editor_shape_gizmos.cpp

469 lines
12 KiB
C++

/*************************************************************************/
/* editor_shape_gizmos.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "editor_shape_gizmos.h"
String EditableShapeSpatialGizmo::get_handle_name(int p_idx) const {
if (es->cast_to<EditableSphere>()) {
return "Radius";
}
#if 0
if (es->cast_to<EditableBox>()) {
return "Extents";
}
if (es->cast_to<EditableCapsule>()) {
return p_idx==0?"Radius":"Height";
}
if (es->cast_to<EditableRay>()) {
return "Length";
}
#endif
return "";
}
Variant EditableShapeSpatialGizmo::get_handle_value(int p_idx) const{
if (es->cast_to<EditableSphere>()) {
EditableSphere *ss = es->cast_to<EditableSphere>();
return ss->get_radius();
}
#if 0
if (es->cast_to<EditableBox>()) {
EditableBox *bs = es->cast_to<EditableBox>();
return bs->get_extents();
}
if (es->cast_to<EditableCapsule>()) {
EditableCapsule *cs = es->cast_to<EditableCapsule>();
return p_idx==0?es->get_radius():es->get_height();
}
if (es->cast_to<EditableRay>()) {
EditableRay* cs = es->cast_to<EditableRay>();
return es->get_length();
}
#endif
return Variant();
}
void EditableShapeSpatialGizmo::set_handle(int p_idx,Camera *p_camera, const Point2& p_point){
Transform gt = es->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*4096)};
if (es->cast_to<EditableSphere>()) {
EditableSphere *ss = es->cast_to<EditableSphere>();
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;
ss->set_radius(d);
}
#if 0
if (es->cast_to<EditableRay>()) {
EditableRay*cs = es->cast_to<EditableRay>();
Vector3 ra,rb;
Geometry::get_closest_points_between_segments(Vector3(),Vector3(0,0,4096),sg[0],sg[1],ra,rb);
float d = ra.z;
if (d<0.001)
d=0.001;
rs->set_length(d);
}
if (es->cast_to<EditableBox>()) {
Vector3 axis;
axis[p_idx]=1.0;
EditableBox *bs = es->cast_to<EditableBox>();
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;
Vector3 he = bs->get_extents();
he[p_idx]=d;
bs->set_extents(he);
}
if (es->cast_to<EditableCapsule>()) {
Vector3 axis;
axis[p_idx]=1.0;
EditableCapsule *cs = es->cast_to<EditableCapsule>();
Vector3 ra,rb;
Geometry::get_closest_points_between_segments(Vector3(),axis*4096,sg[0],sg[1],ra,rb);
float d = ra[p_idx];
if (p_idx==1)
d-=es->get_radius();
if (d<0.001)
d=0.001;
if (p_idx==0)
es->set_radius(d);
else if (p_idx==1)
es->set_height(d*2.0);
}
#endif
}
void EditableShapeSpatialGizmo::commit_handle(int p_idx,const Variant& p_restore,bool p_cancel){
if (es->cast_to<EditableSphere>()) {
EditableSphere *ss = es->cast_to<EditableSphere>();
if (p_cancel) {
ss->set_radius(p_restore);
return;
}
UndoRedo *ur = SpatialEditor::get_singleton()->get_undo_redo();
ur->create_action("Change Sphere Shape Radius");
ur->add_do_method(ss,"set_radius",ss->get_radius());
ur->add_undo_method(ss,"set_radius",p_restore);
ur->commit_action();
}
#if 0
if (es->cast_to<EditableBox>()) {
EditableBox *ss = es->cast_to<EditableBox>();
if (p_cancel) {
ss->set_extents(p_restore);
return;
}
UndoRedo *ur = SpatialEditor::get_singleton()->get_undo_redo();
ur->create_action("Change Box Shape Extents");
ur->add_do_method(ss,"set_extents",ss->get_extents());
ur->add_undo_method(ss,"set_extents",p_restore);
ur->commit_action();
}
if (es->cast_to<EditableCapsule>()) {
EditableCapsule *cs = es->cast_to<EditableCapsule>();
if (p_cancel) {
if (p_idx==0)
ss->set_radius(p_restore);
else
ss->set_height(p_restore);
return;
}
UndoRedo *ur = SpatialEditor::get_singleton()->get_undo_redo();
if (p_idx==0) {
ur->create_action("Change Capsule Shape Radius");
ur->add_do_method(ss,"set_radius",ss->get_radius());
ur->add_undo_method(ss,"set_radius",p_restore);
} else {
ur->create_action("Change Capsule Shape Height");
ur->add_do_method(ss,"set_height",ss->get_height());
ur->add_undo_method(ss,"set_height",p_restore);
}
ur->commit_action();
}
if (es->cast_to<EditableRay>()) {
EditableRay*rs = es->cast_to<EditableRay>()
if (p_cancel) {
ss->set_length(p_restore);
return;
}
UndoRedo *ur = SpatialEditor::get_singleton()->get_undo_redo();
ur->create_action("Change Ray Shape Length");
ur->add_do_method(ss,"set_length",ss->get_length());
ur->add_undo_method(ss,"set_length",p_restore);
ur->commit_action();
}
#endif
}
void EditableShapeSpatialGizmo::redraw(){
clear();
if (es->cast_to<EditableSphere>()) {
EditableSphere* sp= es->cast_to<EditableSphere>();
float r=sp->get_radius();
Vector<Vector3> points;
for(int i=0;i<=360;i++) {
float ra=Math::deg2rad(i);
float rb=Math::deg2rad(i+1);
Point2 a = Vector2(Math::sin(ra),Math::cos(ra))*r;
Point2 b = Vector2(Math::sin(rb),Math::cos(rb))*r;
points.push_back(Vector3(a.x,0,a.y));
points.push_back(Vector3(b.x,0,b.y));
points.push_back(Vector3(0,a.x,a.y));
points.push_back(Vector3(0,b.x,b.y));
points.push_back(Vector3(a.x,a.y,0));
points.push_back(Vector3(b.x,b.y,0));
}
Vector<Vector3> collision_segments;
for(int i=0;i<64;i++) {
float ra=i*Math_PI*2.0/64.0;
float rb=(i+1)*Math_PI*2.0/64.0;
Point2 a = Vector2(Math::sin(ra),Math::cos(ra))*r;
Point2 b = Vector2(Math::sin(rb),Math::cos(rb))*r;
collision_segments.push_back(Vector3(a.x,0,a.y));
collision_segments.push_back(Vector3(b.x,0,b.y));
collision_segments.push_back(Vector3(0,a.x,a.y));
collision_segments.push_back(Vector3(0,b.x,b.y));
collision_segments.push_back(Vector3(a.x,a.y,0));
collision_segments.push_back(Vector3(b.x,b.y,0));
}
add_lines(points,SpatialEditorGizmos::singleton->shape_material);
add_collision_segments(collision_segments);
Vector<Vector3> handles;
handles.push_back(Vector3(r,0,0));
add_handles(handles);
}
#if 0
if (es->cast_to<EditableBox>()) {
EditableBox*bs = es->cast_to<EditableBox>();
Vector<Vector3> lines;
AABB aabb;
aabb.pos=-bs->get_extents();
aabb.size=aabb.pos*-2;
for(int i=0;i<12;i++) {
Vector3 a,b;
aabb.get_edge(i,a,b);
lines.push_back(a);
lines.push_back(b);
}
Vector<Vector3> handles;
for(int i=0;i<3;i++) {
Vector3 ax;
ax[i]=bs->get_extents()[i];
handles.push_back(ax);
}
add_lines(lines,SpatialEditorGizmos::singleton->shape_material);
add_collision_segments(lines);
add_handles(handles);
}
if (es->cast_to<EditableCapsule>()) {
EditableCapsule *cs = es->cast_to<EditableCapsule>();
float radius = es->get_radius();
float height = es->get_height();
Vector<Vector3> points;
Vector3 d(0,height*0.5,0);
for(int i=0;i<360;i++) {
float ra=Math::deg2rad(i);
float rb=Math::deg2rad(i+1);
Point2 a = Vector2(Math::sin(ra),Math::cos(ra))*radius;
Point2 b = Vector2(Math::sin(rb),Math::cos(rb))*radius;
points.push_back(Vector3(a.x,0,a.y)+d);
points.push_back(Vector3(b.x,0,b.y)+d);
points.push_back(Vector3(a.x,0,a.y)-d);
points.push_back(Vector3(b.x,0,b.y)-d);
if (i%90==0) {
points.push_back(Vector3(a.x,0,a.y)+d);
points.push_back(Vector3(a.x,0,a.y)-d);
}
Vector3 dud = i<180?d:-d;
points.push_back(Vector3(0,a.x,a.y)+dud);
points.push_back(Vector3(0,b.x,b.y)+dud);
points.push_back(Vector3(a.y,a.x,0)+dud);
points.push_back(Vector3(b.y,b.x,0)+dud);
}
add_lines(points,SpatialEditorGizmos::singleton->shape_material);
Vector<Vector3> collision_segments;
for(int i=0;i<64;i++) {
float ra=i*Math_PI*2.0/64.0;
float rb=(i+1)*Math_PI*2.0/64.0;
Point2 a = Vector2(Math::sin(ra),Math::cos(ra))*radius;
Point2 b = Vector2(Math::sin(rb),Math::cos(rb))*radius;
collision_segments.push_back(Vector3(a.x,0,a.y)+d);
collision_segments.push_back(Vector3(b.x,0,b.y)+d);
collision_segments.push_back(Vector3(a.x,0,a.y)-d);
collision_segments.push_back(Vector3(b.x,0,b.y)-d);
if (i%16==0) {
collision_segments.push_back(Vector3(a.x,0,a.y)+d);
collision_segments.push_back(Vector3(a.x,0,a.y)-d);
}
Vector3 dud = i<32?d:-d;
collision_segments.push_back(Vector3(0,a.x,a.y)+dud);
collision_segments.push_back(Vector3(0,b.x,b.y)+dud);
collision_segments.push_back(Vector3(a.y,a.x,0)+dud);
collision_segments.push_back(Vector3(b.y,b.x,0)+dud);
}
add_collision_segments(collision_segments);
Vector<Vector3> handles;
handles.push_back(Vector3(es->get_radius(),0,0));
handles.push_back(Vector3(0,es->get_height()*0.5+es->get_radius(),0));
add_handles(handles);
}
if (es->cast_to<EditablePlane>()) {
EditablePlane* ps=es->cast_to<EditablePlane();
Plane p = ps->get_plane();
Vector<Vector3> points;
Vector3 n1 = p.get_any_perpendicular_normal();
Vector3 n2 = p.normal.cross(n1).normalized();
Vector3 pface[4]={
p.normal*p.d+n1*10.0+n2*10.0,
p.normal*p.d+n1*10.0+n2*-10.0,
p.normal*p.d+n1*-10.0+n2*-10.0,
p.normal*p.d+n1*-10.0+n2*10.0,
};
points.push_back(pface[0]);
points.push_back(pface[1]);
points.push_back(pface[1]);
points.push_back(pface[2]);
points.push_back(pface[2]);
points.push_back(pface[3]);
points.push_back(pface[3]);
points.push_back(pface[0]);
points.push_back(p.normal*p.d);
points.push_back(p.normal*p.d+p.normal*3);
add_lines(points,SpatialEditorGizmos::singleton->shape_material);
add_collision_segments(points);
}
if (es->cast_to<EditableRay>()) {
EditableRay*cs = es->cast_to<EditableRay>();
Vector<Vector3> points;
points.push_back(Vector3());
points.push_back(Vector3(0,0,rs->get_length()));
add_lines(points,SpatialEditorGizmos::singleton->shape_material);
add_collision_segments(points);
Vector<Vector3> handles;
handles.push_back(Vector3(0,0,rs->get_length()));
add_handles(handles);
}
#endif
}
EditableShapeSpatialGizmo::EditableShapeSpatialGizmo(EditableShape* p_cs) {
es=p_cs;
set_spatial_node(p_cs);
}
EditorShapeGizmos::EditorShapeGizmos()
{
}