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GODOT IS OPEN SOURCE
This commit is contained in:
Juan Linietsky
parent
0e49da1687
commit
0b806ee0fc
3138 changed files with 1294441 additions and 0 deletions
479
tools/editor/plugins/collision_polygon_editor_plugin.cpp
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479
tools/editor/plugins/collision_polygon_editor_plugin.cpp
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/*************************************************************************/
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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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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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 "os/file_access.h"
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#include "tools/editor/editor_settings.h"
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void CollisionPolygonEditor::_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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} break;
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case NOTIFICATION_FIXED_PROCESS: {
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} break;
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}
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}
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void CollisionPolygonEditor::_node_removed(Node *p_node) {
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if(p_node==node) {
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node=NULL;
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hide();
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}
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}
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Vector2 CollisionPolygonEditor::snap_point(const Vector2& p_point) const {
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if (canvas_item_editor->is_snap_active()) {
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return p_point.snapped(Vector2(1,1)*canvas_item_editor->get_snap());
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} else {
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return p_point;
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}
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}
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void CollisionPolygonEditor::_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 CollisionPolygonEditor::_wip_close() {
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undo_redo->create_action("Create Poly");
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undo_redo->add_undo_method(node,"set_polygon",node->get_polygon());
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undo_redo->add_do_method(node,"set_polygon",wip);
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undo_redo->add_do_method(canvas_item_editor,"update");
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undo_redo->add_undo_method(canvas_item_editor,"update");
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undo_redo->commit_action();
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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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}
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bool CollisionPolygonEditor::forward_input_event(const InputEvent& p_event) {
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switch(p_event.type) {
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case InputEvent::MOUSE_BUTTON: {
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const InputEventMouseButton &mb=p_event.mouse_button;
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Matrix32 xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
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Vector2 gpoint = Point2(mb.x,mb.y);
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Vector2 cpoint = xform.affine_inverse().xform(gpoint);
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Vector<Vector2> poly = node->get_polygon();
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//first check if a point is to be added (segment split)
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real_t grab_treshold=EDITOR_DEF("poly_editor/point_grab_radius",8);
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switch(mode) {
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case MODE_CREATE: {
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if (mb.button_index==BUTTON_LEFT && mb.pressed) {
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if (!wip_active) {
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wip.clear();
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wip.push_back( snap_point(cpoint) );
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wip_active=true;
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edited_point_pos=snap_point(cpoint);
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canvas_item_editor->update();
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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 && xform.xform(wip[0]).distance_to(gpoint)<grab_treshold) {
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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( snap_point(cpoint) );
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edited_point=wip.size();
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canvas_item_editor->update();
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return true;
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//add wip point
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}
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}
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} else if (mb.button_index==BUTTON_RIGHT && mb.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.button_index==BUTTON_LEFT) {
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if (mb.pressed) {
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if (mb.mod.control) {
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if (poly.size() < 3) {
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undo_redo->create_action("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(canvas_item_editor,"update");
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undo_redo->add_undo_method(canvas_item_editor,"update");
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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] ={ xform.xform(poly[i]),
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xform.xform(poly[(i+1)%poly.size()]) };
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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_treshold) {
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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,snap_point(xform.affine_inverse().xform(closest_pos)));
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edited_point=closest_idx+1;
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edited_point_pos=snap_point(xform.affine_inverse().xform(closest_pos));
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node->set_polygon(poly);
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canvas_item_editor->update();
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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 =xform.xform(poly[i]);
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real_t d = cp.distance_to(gpoint);
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if (d<closest_dist && d<grab_treshold) {
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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=xform.affine_inverse().xform(closest_pos);
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canvas_item_editor->update();
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return true;
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}
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}
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} else {
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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[edited_point]=edited_point_pos;
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undo_redo->create_action("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(canvas_item_editor,"update");
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undo_redo->add_undo_method(canvas_item_editor,"update");
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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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} if (mb.button_index==BUTTON_RIGHT && mb.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 =xform.xform(poly[i]);
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real_t d = cp.distance_to(gpoint);
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if (d<closest_dist && d<grab_treshold) {
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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("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(canvas_item_editor,"update");
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undo_redo->add_undo_method(canvas_item_editor,"update");
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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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} break;
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case InputEvent::MOUSE_MOTION: {
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const InputEventMouseMotion &mm=p_event.mouse_motion;
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if (edited_point!=-1 && (wip_active || mm.button_mask&BUTTON_MASK_LEFT)) {
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Matrix32 xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
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Vector2 gpoint = Point2(mm.x,mm.y);
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edited_point_pos = snap_point(xform.affine_inverse().xform(gpoint));
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canvas_item_editor->update();
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}
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} break;
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}
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return false;
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}
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void CollisionPolygonEditor::_canvas_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->get_polygon();
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Matrix32 xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
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Ref<Texture> handle= get_icon("EditorHandle","EditorIcons");
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int len = poly.size();
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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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Vector2 point = xform.xform(p);
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Vector2 next_point = xform.xform(p2);
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Color col=Color(1,0.3,0.1,0.8);
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canvas_item_editor->draw_line(point,next_point,col,2);
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canvas_item_editor->draw_texture(handle,point-handle->get_size()*0.5);
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}
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}
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void CollisionPolygonEditor::edit(Node *p_collision_polygon) {
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if (!canvas_item_editor) {
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canvas_item_editor=CanvasItemEditor::get_singleton();
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}
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if (p_collision_polygon) {
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node=p_collision_polygon->cast_to<CollisionPolygon2D>();
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if (!canvas_item_editor->is_connected("draw",this,"_canvas_draw"))
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canvas_item_editor->connect("draw",this,"_canvas_draw");
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wip.clear();
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wip_active=false;
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edited_point=-1;
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} else {
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node=NULL;
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if (canvas_item_editor->is_connected("draw",this,"_canvas_draw"))
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canvas_item_editor->disconnect("draw",this,"_canvas_draw");
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}
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}
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void CollisionPolygonEditor::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("_menu_option"),&CollisionPolygonEditor::_menu_option);
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ObjectTypeDB::bind_method(_MD("_canvas_draw"),&CollisionPolygonEditor::_canvas_draw);
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}
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CollisionPolygonEditor::CollisionPolygonEditor(EditorNode *p_editor) {
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canvas_item_editor=NULL;
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editor=p_editor;
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undo_redo = editor->get_undo_redo();
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add_child( memnew( VSeparator ));
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button_create = memnew( ToolButton );
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add_child(button_create);
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button_create->connect("pressed",this,"_menu_option",varray(MODE_CREATE));
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button_create->set_toggle_mode(true);
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button_edit = memnew( ToolButton );
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add_child(button_edit);
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button_edit->connect("pressed",this,"_menu_option",varray(MODE_EDIT));
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button_edit->set_toggle_mode(true);
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//add_constant_override("separation",0);
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#if 0
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options = memnew( MenuButton );
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add_child(options);
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options->set_area_as_parent_rect();
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options->set_text("Polygon");
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//options->get_popup()->add_item("Parse BBCODE",PARSE_BBCODE);
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options->get_popup()->connect("item_pressed", this,"_menu_option");
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#endif
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mode = MODE_EDIT;
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wip_active=false;
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}
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void CollisionPolygonEditorPlugin::edit(Object *p_object) {
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collision_polygon_editor->edit(p_object->cast_to<Node>());
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}
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bool CollisionPolygonEditorPlugin::handles(Object *p_object) const {
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return p_object->is_type("CollisionPolygon2D");
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}
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void CollisionPolygonEditorPlugin::make_visible(bool p_visible) {
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if (p_visible) {
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collision_polygon_editor->show();
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} else {
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collision_polygon_editor->hide();
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collision_polygon_editor->edit(NULL);
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}
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}
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CollisionPolygonEditorPlugin::CollisionPolygonEditorPlugin(EditorNode *p_node) {
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editor=p_node;
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collision_polygon_editor = memnew( CollisionPolygonEditor(p_node) );
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CanvasItemEditor::get_singleton()->add_control_to_menu_panel(collision_polygon_editor);
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collision_polygon_editor->hide();
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}
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CollisionPolygonEditorPlugin::~CollisionPolygonEditorPlugin()
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{
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}
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