a7f49ac9a1
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614 lines
18 KiB
C++
614 lines
18 KiB
C++
/*************************************************************************/
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/* collision_polygon_editor_plugin.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "collision_polygon_editor_plugin.h"
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#include "canvas_item_editor_plugin.h"
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#include "core/os/file_access.h"
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#include "core/os/input.h"
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#include "core/os/keyboard.h"
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#include "editor/editor_settings.h"
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#include "scene/3d/camera.h"
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#include "spatial_editor_plugin.h"
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void Polygon3DEditor::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_READY: {
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button_create->set_icon(get_icon("Edit", "EditorIcons"));
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button_edit->set_icon(get_icon("MovePoint", "EditorIcons"));
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button_edit->set_pressed(true);
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get_tree()->connect("node_removed", this, "_node_removed");
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} break;
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case NOTIFICATION_PROCESS: {
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if (!node) {
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return;
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}
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if (_get_depth() != prev_depth) {
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_polygon_draw();
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prev_depth = _get_depth();
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}
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} break;
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}
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}
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void Polygon3DEditor::_node_removed(Node *p_node) {
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if (p_node == node) {
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node = NULL;
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if (imgeom->get_parent() == p_node)
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p_node->remove_child(imgeom);
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hide();
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set_process(false);
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}
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}
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void Polygon3DEditor::_menu_option(int p_option) {
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switch (p_option) {
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case MODE_CREATE: {
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mode = MODE_CREATE;
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button_create->set_pressed(true);
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button_edit->set_pressed(false);
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} break;
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case MODE_EDIT: {
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mode = MODE_EDIT;
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button_create->set_pressed(false);
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button_edit->set_pressed(true);
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} break;
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}
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}
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void Polygon3DEditor::_wip_close() {
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undo_redo->create_action(TTR("Create Polygon3D"));
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undo_redo->add_undo_method(node, "set_polygon", node->call("get_polygon"));
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undo_redo->add_do_method(node, "set_polygon", wip);
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undo_redo->add_do_method(this, "_polygon_draw");
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undo_redo->add_undo_method(this, "_polygon_draw");
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wip.clear();
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wip_active = false;
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mode = MODE_EDIT;
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button_edit->set_pressed(true);
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button_create->set_pressed(false);
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edited_point = -1;
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undo_redo->commit_action();
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}
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bool Polygon3DEditor::forward_spatial_gui_input(Camera *p_camera, const Ref<InputEvent> &p_event) {
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if (!node)
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return false;
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Transform gt = node->get_global_transform();
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Transform gi = gt.affine_inverse();
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float depth = _get_depth() * 0.5;
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Vector3 n = gt.basis.get_axis(2).normalized();
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Plane p(gt.origin + n * depth, n);
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Ref<InputEventMouseButton> mb = p_event;
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if (mb.is_valid()) {
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Vector2 gpoint = mb->get_position();
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Vector3 ray_from = p_camera->project_ray_origin(gpoint);
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Vector3 ray_dir = p_camera->project_ray_normal(gpoint);
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Vector3 spoint;
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if (!p.intersects_ray(ray_from, ray_dir, &spoint))
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return false;
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spoint = gi.xform(spoint);
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Vector2 cpoint(spoint.x, spoint.y);
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//DO NOT snap here, it's confusing in 3D for adding points.
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//Let the snap happen when the point is being moved, instead.
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//cpoint = CanvasItemEditor::get_singleton()->snap_point(cpoint);
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Vector<Vector2> poly = node->call("get_polygon");
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//first check if a point is to be added (segment split)
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real_t grab_threshold = EDITOR_GET("editors/poly_editor/point_grab_radius");
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switch (mode) {
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case MODE_CREATE: {
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if (mb->get_button_index() == BUTTON_LEFT && mb->is_pressed()) {
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if (!wip_active) {
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wip.clear();
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wip.push_back(cpoint);
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wip_active = true;
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edited_point_pos = cpoint;
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snap_ignore = false;
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_polygon_draw();
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edited_point = 1;
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return true;
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} else {
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if (wip.size() > 1 && p_camera->unproject_position(gt.xform(Vector3(wip[0].x, wip[0].y, depth))).distance_to(gpoint) < grab_threshold) {
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//wip closed
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_wip_close();
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return true;
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} else {
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wip.push_back(cpoint);
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edited_point = wip.size();
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snap_ignore = false;
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_polygon_draw();
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return true;
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}
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}
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} else if (mb->get_button_index() == BUTTON_RIGHT && mb->is_pressed() && wip_active) {
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_wip_close();
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}
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} break;
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case MODE_EDIT: {
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if (mb->get_button_index() == BUTTON_LEFT) {
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if (mb->is_pressed()) {
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if (mb->get_control()) {
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if (poly.size() < 3) {
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undo_redo->create_action(TTR("Edit Poly"));
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undo_redo->add_undo_method(node, "set_polygon", poly);
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poly.push_back(cpoint);
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undo_redo->add_do_method(node, "set_polygon", poly);
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undo_redo->add_do_method(this, "_polygon_draw");
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undo_redo->add_undo_method(this, "_polygon_draw");
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undo_redo->commit_action();
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return true;
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}
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//search edges
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int closest_idx = -1;
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Vector2 closest_pos;
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real_t closest_dist = 1e10;
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for (int i = 0; i < poly.size(); i++) {
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Vector2 points[2] = {
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p_camera->unproject_position(gt.xform(Vector3(poly[i].x, poly[i].y, depth))),
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p_camera->unproject_position(gt.xform(Vector3(poly[(i + 1) % poly.size()].x, poly[(i + 1) % poly.size()].y, depth)))
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};
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Vector2 cp = Geometry::get_closest_point_to_segment_2d(gpoint, points);
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if (cp.distance_squared_to(points[0]) < CMP_EPSILON2 || cp.distance_squared_to(points[1]) < CMP_EPSILON2)
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continue; //not valid to reuse point
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real_t d = cp.distance_to(gpoint);
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if (d < closest_dist && d < grab_threshold) {
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closest_dist = d;
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closest_pos = cp;
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closest_idx = i;
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}
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}
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if (closest_idx >= 0) {
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pre_move_edit = poly;
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poly.insert(closest_idx + 1, cpoint);
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edited_point = closest_idx + 1;
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edited_point_pos = cpoint;
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node->call("set_polygon", poly);
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_polygon_draw();
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snap_ignore = true;
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return true;
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}
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} else {
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//look for points to move
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int closest_idx = -1;
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Vector2 closest_pos;
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real_t closest_dist = 1e10;
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for (int i = 0; i < poly.size(); i++) {
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Vector2 cp = p_camera->unproject_position(gt.xform(Vector3(poly[i].x, poly[i].y, depth)));
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real_t d = cp.distance_to(gpoint);
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if (d < closest_dist && d < grab_threshold) {
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closest_dist = d;
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closest_pos = cp;
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closest_idx = i;
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}
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}
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if (closest_idx >= 0) {
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pre_move_edit = poly;
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edited_point = closest_idx;
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edited_point_pos = poly[closest_idx];
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_polygon_draw();
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snap_ignore = false;
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return true;
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}
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}
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} else {
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snap_ignore = false;
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if (edited_point != -1) {
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//apply
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ERR_FAIL_INDEX_V(edited_point, poly.size(), false);
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poly.write[edited_point] = edited_point_pos;
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undo_redo->create_action(TTR("Edit Poly"));
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undo_redo->add_do_method(node, "set_polygon", poly);
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undo_redo->add_undo_method(node, "set_polygon", pre_move_edit);
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undo_redo->add_do_method(this, "_polygon_draw");
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undo_redo->add_undo_method(this, "_polygon_draw");
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undo_redo->commit_action();
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edited_point = -1;
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return true;
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}
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}
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}
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if (mb->get_button_index() == BUTTON_RIGHT && mb->is_pressed() && edited_point == -1) {
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int closest_idx = -1;
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Vector2 closest_pos;
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real_t closest_dist = 1e10;
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for (int i = 0; i < poly.size(); i++) {
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Vector2 cp = p_camera->unproject_position(gt.xform(Vector3(poly[i].x, poly[i].y, depth)));
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real_t d = cp.distance_to(gpoint);
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if (d < closest_dist && d < grab_threshold) {
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closest_dist = d;
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closest_pos = cp;
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closest_idx = i;
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}
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}
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if (closest_idx >= 0) {
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undo_redo->create_action(TTR("Edit Poly (Remove Point)"));
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undo_redo->add_undo_method(node, "set_polygon", poly);
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poly.remove(closest_idx);
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undo_redo->add_do_method(node, "set_polygon", poly);
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undo_redo->add_do_method(this, "_polygon_draw");
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undo_redo->add_undo_method(this, "_polygon_draw");
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undo_redo->commit_action();
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return true;
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}
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}
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} break;
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}
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}
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Ref<InputEventMouseMotion> mm = p_event;
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if (mm.is_valid()) {
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if (edited_point != -1 && (wip_active || mm->get_button_mask() & BUTTON_MASK_LEFT)) {
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Vector2 gpoint = mm->get_position();
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Vector3 ray_from = p_camera->project_ray_origin(gpoint);
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Vector3 ray_dir = p_camera->project_ray_normal(gpoint);
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Vector3 spoint;
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if (!p.intersects_ray(ray_from, ray_dir, &spoint))
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return false;
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spoint = gi.xform(spoint);
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Vector2 cpoint(spoint.x, spoint.y);
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if (snap_ignore && !Input::get_singleton()->is_key_pressed(KEY_CONTROL)) {
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snap_ignore = false;
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}
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if (!snap_ignore && SpatialEditor::get_singleton()->is_snap_enabled()) {
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cpoint = cpoint.snapped(Vector2(
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SpatialEditor::get_singleton()->get_translate_snap(),
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SpatialEditor::get_singleton()->get_translate_snap()));
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}
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edited_point_pos = cpoint;
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_polygon_draw();
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}
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}
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return false;
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}
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float Polygon3DEditor::_get_depth() {
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if (bool(node->call("_has_editable_3d_polygon_no_depth")))
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return 0;
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return float(node->call("get_depth"));
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}
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void Polygon3DEditor::_polygon_draw() {
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if (!node)
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return;
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Vector<Vector2> poly;
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if (wip_active)
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poly = wip;
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else
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poly = node->call("get_polygon");
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float depth = _get_depth() * 0.5;
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imgeom->clear();
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imgeom->set_material_override(line_material);
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imgeom->begin(Mesh::PRIMITIVE_LINES, Ref<Texture>());
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Rect2 rect;
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for (int i = 0; i < poly.size(); i++) {
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Vector2 p, p2;
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p = i == edited_point ? edited_point_pos : poly[i];
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if ((wip_active && i == poly.size() - 1) || (((i + 1) % poly.size()) == edited_point))
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p2 = edited_point_pos;
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else
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p2 = poly[(i + 1) % poly.size()];
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if (i == 0)
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rect.position = p;
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else
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rect.expand_to(p);
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Vector3 point = Vector3(p.x, p.y, depth);
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Vector3 next_point = Vector3(p2.x, p2.y, depth);
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imgeom->set_color(Color(1, 0.3, 0.1, 0.8));
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imgeom->add_vertex(point);
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imgeom->set_color(Color(1, 0.3, 0.1, 0.8));
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imgeom->add_vertex(next_point);
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//Color col=Color(1,0.3,0.1,0.8);
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//vpc->draw_line(point,next_point,col,2);
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//vpc->draw_texture(handle,point-handle->get_size()*0.5);
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}
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rect = rect.grow(1);
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AABB r;
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r.position.x = rect.position.x;
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r.position.y = rect.position.y;
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r.position.z = depth;
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r.size.x = rect.size.x;
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r.size.y = rect.size.y;
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r.size.z = 0;
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imgeom->set_color(Color(0.8, 0.8, 0.8, 0.2));
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imgeom->add_vertex(r.position);
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imgeom->set_color(Color(0.8, 0.8, 0.8, 0.2));
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imgeom->add_vertex(r.position + Vector3(0.3, 0, 0));
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imgeom->set_color(Color(0.8, 0.8, 0.8, 0.2));
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imgeom->add_vertex(r.position);
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imgeom->set_color(Color(0.8, 0.8, 0.8, 0.2));
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imgeom->add_vertex(r.position + Vector3(0.0, 0.3, 0));
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imgeom->set_color(Color(0.8, 0.8, 0.8, 0.2));
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imgeom->add_vertex(r.position + Vector3(r.size.x, 0, 0));
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imgeom->set_color(Color(0.8, 0.8, 0.8, 0.2));
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imgeom->add_vertex(r.position + Vector3(r.size.x, 0, 0) - Vector3(0.3, 0, 0));
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imgeom->set_color(Color(0.8, 0.8, 0.8, 0.2));
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imgeom->add_vertex(r.position + Vector3(r.size.x, 0, 0));
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imgeom->set_color(Color(0.8, 0.8, 0.8, 0.2));
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imgeom->add_vertex(r.position + Vector3(r.size.x, 0, 0) + Vector3(0, 0.3, 0));
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imgeom->set_color(Color(0.8, 0.8, 0.8, 0.2));
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imgeom->add_vertex(r.position + Vector3(0, r.size.y, 0));
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imgeom->set_color(Color(0.8, 0.8, 0.8, 0.2));
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imgeom->add_vertex(r.position + Vector3(0, r.size.y, 0) - Vector3(0, 0.3, 0));
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imgeom->set_color(Color(0.8, 0.8, 0.8, 0.2));
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imgeom->add_vertex(r.position + Vector3(0, r.size.y, 0));
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imgeom->set_color(Color(0.8, 0.8, 0.8, 0.2));
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imgeom->add_vertex(r.position + Vector3(0, r.size.y, 0) + Vector3(0.3, 0, 0));
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imgeom->set_color(Color(0.8, 0.8, 0.8, 0.2));
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imgeom->add_vertex(r.position + r.size);
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imgeom->set_color(Color(0.8, 0.8, 0.8, 0.2));
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imgeom->add_vertex(r.position + r.size - Vector3(0.3, 0, 0));
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imgeom->set_color(Color(0.8, 0.8, 0.8, 0.2));
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imgeom->add_vertex(r.position + r.size);
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imgeom->set_color(Color(0.8, 0.8, 0.8, 0.2));
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imgeom->add_vertex(r.position + r.size - Vector3(0.0, 0.3, 0));
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imgeom->end();
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while (m->get_surface_count()) {
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m->surface_remove(0);
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}
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if (poly.size() == 0)
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return;
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Array a;
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a.resize(Mesh::ARRAY_MAX);
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PoolVector<Vector3> va;
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{
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va.resize(poly.size());
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PoolVector<Vector3>::Write w = va.write();
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for (int i = 0; i < poly.size(); i++) {
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Vector2 p, p2;
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p = i == edited_point ? edited_point_pos : poly[i];
|
|
|
|
Vector3 point = Vector3(p.x, p.y, depth);
|
|
w[i] = point;
|
|
}
|
|
}
|
|
a[Mesh::ARRAY_VERTEX] = va;
|
|
m->add_surface_from_arrays(Mesh::PRIMITIVE_POINTS, a);
|
|
m->surface_set_material(0, handle_material);
|
|
}
|
|
|
|
void Polygon3DEditor::edit(Node *p_collision_polygon) {
|
|
|
|
if (p_collision_polygon) {
|
|
|
|
node = Object::cast_to<Spatial>(p_collision_polygon);
|
|
//Enable the pencil tool if the polygon is empty
|
|
if (Vector<Vector2>(node->call("get_polygon")).size() == 0) {
|
|
_menu_option(MODE_CREATE);
|
|
}
|
|
wip.clear();
|
|
wip_active = false;
|
|
edited_point = -1;
|
|
p_collision_polygon->add_child(imgeom);
|
|
_polygon_draw();
|
|
set_process(true);
|
|
prev_depth = -1;
|
|
|
|
} else {
|
|
node = NULL;
|
|
|
|
if (imgeom->get_parent())
|
|
imgeom->get_parent()->remove_child(imgeom);
|
|
|
|
set_process(false);
|
|
}
|
|
}
|
|
|
|
void Polygon3DEditor::_bind_methods() {
|
|
|
|
ClassDB::bind_method(D_METHOD("_menu_option"), &Polygon3DEditor::_menu_option);
|
|
ClassDB::bind_method(D_METHOD("_polygon_draw"), &Polygon3DEditor::_polygon_draw);
|
|
ClassDB::bind_method(D_METHOD("_node_removed"), &Polygon3DEditor::_node_removed);
|
|
}
|
|
|
|
Polygon3DEditor::Polygon3DEditor(EditorNode *p_editor) {
|
|
|
|
node = NULL;
|
|
editor = p_editor;
|
|
undo_redo = EditorNode::get_undo_redo();
|
|
|
|
add_child(memnew(VSeparator));
|
|
button_create = memnew(ToolButton);
|
|
add_child(button_create);
|
|
button_create->connect("pressed", this, "_menu_option", varray(MODE_CREATE));
|
|
button_create->set_toggle_mode(true);
|
|
|
|
button_edit = memnew(ToolButton);
|
|
add_child(button_edit);
|
|
button_edit->connect("pressed", this, "_menu_option", varray(MODE_EDIT));
|
|
button_edit->set_toggle_mode(true);
|
|
|
|
mode = MODE_EDIT;
|
|
wip_active = false;
|
|
imgeom = memnew(ImmediateGeometry);
|
|
imgeom->set_transform(Transform(Basis(), Vector3(0, 0, 0.00001)));
|
|
|
|
line_material = Ref<SpatialMaterial>(memnew(SpatialMaterial));
|
|
line_material->set_flag(SpatialMaterial::FLAG_UNSHADED, true);
|
|
line_material->set_line_width(3.0);
|
|
line_material->set_feature(SpatialMaterial::FEATURE_TRANSPARENT, true);
|
|
line_material->set_flag(SpatialMaterial::FLAG_ALBEDO_FROM_VERTEX_COLOR, true);
|
|
line_material->set_flag(SpatialMaterial::FLAG_SRGB_VERTEX_COLOR, true);
|
|
line_material->set_albedo(Color(1, 1, 1));
|
|
|
|
handle_material = Ref<SpatialMaterial>(memnew(SpatialMaterial));
|
|
handle_material->set_flag(SpatialMaterial::FLAG_UNSHADED, true);
|
|
handle_material->set_flag(SpatialMaterial::FLAG_USE_POINT_SIZE, true);
|
|
handle_material->set_feature(SpatialMaterial::FEATURE_TRANSPARENT, true);
|
|
handle_material->set_flag(SpatialMaterial::FLAG_ALBEDO_FROM_VERTEX_COLOR, true);
|
|
handle_material->set_flag(SpatialMaterial::FLAG_SRGB_VERTEX_COLOR, true);
|
|
Ref<Texture> handle = editor->get_gui_base()->get_icon("Editor3DHandle", "EditorIcons");
|
|
handle_material->set_point_size(handle->get_width());
|
|
handle_material->set_texture(SpatialMaterial::TEXTURE_ALBEDO, handle);
|
|
|
|
pointsm = memnew(MeshInstance);
|
|
imgeom->add_child(pointsm);
|
|
m.instance();
|
|
pointsm->set_mesh(m);
|
|
pointsm->set_transform(Transform(Basis(), Vector3(0, 0, 0.00001)));
|
|
|
|
snap_ignore = false;
|
|
}
|
|
|
|
Polygon3DEditor::~Polygon3DEditor() {
|
|
|
|
memdelete(imgeom);
|
|
}
|
|
|
|
void Polygon3DEditorPlugin::edit(Object *p_object) {
|
|
|
|
collision_polygon_editor->edit(Object::cast_to<Node>(p_object));
|
|
}
|
|
|
|
bool Polygon3DEditorPlugin::handles(Object *p_object) const {
|
|
|
|
return Object::cast_to<Spatial>(p_object) && bool(p_object->call("_is_editable_3d_polygon"));
|
|
}
|
|
|
|
void Polygon3DEditorPlugin::make_visible(bool p_visible) {
|
|
|
|
if (p_visible) {
|
|
collision_polygon_editor->show();
|
|
} else {
|
|
|
|
collision_polygon_editor->hide();
|
|
collision_polygon_editor->edit(NULL);
|
|
}
|
|
}
|
|
|
|
Polygon3DEditorPlugin::Polygon3DEditorPlugin(EditorNode *p_node) {
|
|
|
|
editor = p_node;
|
|
collision_polygon_editor = memnew(Polygon3DEditor(p_node));
|
|
SpatialEditor::get_singleton()->add_control_to_menu_panel(collision_polygon_editor);
|
|
|
|
collision_polygon_editor->hide();
|
|
}
|
|
|
|
Polygon3DEditorPlugin::~Polygon3DEditorPlugin() {
|
|
}
|