3205a92ad8
Typed `PoolTypeArray` types are now renamed `PackedTypeArray` and are sugar for `Vector<Type>`.
307 lines
9.8 KiB
C++
307 lines
9.8 KiB
C++
/*************************************************************************/
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/* light_occluder_2d.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 "light_occluder_2d.h"
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#include "core/engine.h"
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#define LINE_GRAB_WIDTH 8
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#ifdef TOOLS_ENABLED
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Rect2 OccluderPolygon2D::_edit_get_rect() const {
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if (rect_cache_dirty) {
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if (closed) {
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const Vector2 *r = polygon.ptr();
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item_rect = Rect2();
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for (int i = 0; i < polygon.size(); i++) {
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Vector2 pos = r[i];
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if (i == 0)
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item_rect.position = pos;
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else
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item_rect.expand_to(pos);
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}
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rect_cache_dirty = false;
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} else {
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if (polygon.size() == 0) {
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item_rect = Rect2();
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} else {
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Vector2 d = Vector2(LINE_GRAB_WIDTH, LINE_GRAB_WIDTH);
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item_rect = Rect2(polygon[0] - d, 2 * d);
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for (int i = 1; i < polygon.size(); i++) {
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item_rect.expand_to(polygon[i] - d);
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item_rect.expand_to(polygon[i] + d);
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}
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}
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}
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}
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return item_rect;
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}
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bool OccluderPolygon2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
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if (closed) {
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return Geometry::is_point_in_polygon(p_point, Variant(polygon));
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} else {
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const real_t d = LINE_GRAB_WIDTH / 2 + p_tolerance;
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const Vector2 *points = polygon.ptr();
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for (int i = 0; i < polygon.size() - 1; i++) {
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Vector2 p = Geometry::get_closest_point_to_segment_2d(p_point, &points[i]);
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if (p.distance_to(p_point) <= d)
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return true;
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}
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return false;
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}
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}
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#endif
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void OccluderPolygon2D::set_polygon(const Vector<Vector2> &p_polygon) {
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polygon = p_polygon;
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rect_cache_dirty = true;
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VS::get_singleton()->canvas_occluder_polygon_set_shape(occ_polygon, p_polygon, closed);
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emit_changed();
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}
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Vector<Vector2> OccluderPolygon2D::get_polygon() const {
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return polygon;
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}
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void OccluderPolygon2D::set_closed(bool p_closed) {
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if (closed == p_closed)
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return;
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closed = p_closed;
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if (polygon.size())
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VS::get_singleton()->canvas_occluder_polygon_set_shape(occ_polygon, polygon, closed);
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emit_changed();
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}
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bool OccluderPolygon2D::is_closed() const {
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return closed;
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}
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void OccluderPolygon2D::set_cull_mode(CullMode p_mode) {
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cull = p_mode;
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VS::get_singleton()->canvas_occluder_polygon_set_cull_mode(occ_polygon, VS::CanvasOccluderPolygonCullMode(p_mode));
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}
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OccluderPolygon2D::CullMode OccluderPolygon2D::get_cull_mode() const {
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return cull;
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}
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RID OccluderPolygon2D::get_rid() const {
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return occ_polygon;
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}
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void OccluderPolygon2D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_closed", "closed"), &OccluderPolygon2D::set_closed);
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ClassDB::bind_method(D_METHOD("is_closed"), &OccluderPolygon2D::is_closed);
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ClassDB::bind_method(D_METHOD("set_cull_mode", "cull_mode"), &OccluderPolygon2D::set_cull_mode);
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ClassDB::bind_method(D_METHOD("get_cull_mode"), &OccluderPolygon2D::get_cull_mode);
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ClassDB::bind_method(D_METHOD("set_polygon", "polygon"), &OccluderPolygon2D::set_polygon);
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ClassDB::bind_method(D_METHOD("get_polygon"), &OccluderPolygon2D::get_polygon);
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "closed"), "set_closed", "is_closed");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "cull_mode", PROPERTY_HINT_ENUM, "Disabled,ClockWise,CounterClockWise"), "set_cull_mode", "get_cull_mode");
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ADD_PROPERTY(PropertyInfo(Variant::PACKED_VECTOR2_ARRAY, "polygon"), "set_polygon", "get_polygon");
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BIND_ENUM_CONSTANT(CULL_DISABLED);
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BIND_ENUM_CONSTANT(CULL_CLOCKWISE);
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BIND_ENUM_CONSTANT(CULL_COUNTER_CLOCKWISE);
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}
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OccluderPolygon2D::OccluderPolygon2D() {
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occ_polygon = VS::get_singleton()->canvas_occluder_polygon_create();
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closed = true;
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cull = CULL_DISABLED;
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rect_cache_dirty = true;
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}
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OccluderPolygon2D::~OccluderPolygon2D() {
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VS::get_singleton()->free(occ_polygon);
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}
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void LightOccluder2D::_poly_changed() {
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#ifdef DEBUG_ENABLED
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update();
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#endif
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}
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void LightOccluder2D::_notification(int p_what) {
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if (p_what == NOTIFICATION_ENTER_CANVAS) {
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VS::get_singleton()->canvas_light_occluder_attach_to_canvas(occluder, get_canvas());
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VS::get_singleton()->canvas_light_occluder_set_transform(occluder, get_global_transform());
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VS::get_singleton()->canvas_light_occluder_set_enabled(occluder, is_visible_in_tree());
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}
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if (p_what == NOTIFICATION_TRANSFORM_CHANGED) {
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VS::get_singleton()->canvas_light_occluder_set_transform(occluder, get_global_transform());
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}
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if (p_what == NOTIFICATION_VISIBILITY_CHANGED) {
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VS::get_singleton()->canvas_light_occluder_set_enabled(occluder, is_visible_in_tree());
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}
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if (p_what == NOTIFICATION_DRAW) {
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if (Engine::get_singleton()->is_editor_hint()) {
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if (occluder_polygon.is_valid()) {
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Vector<Vector2> poly = occluder_polygon->get_polygon();
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if (poly.size()) {
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if (occluder_polygon->is_closed()) {
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Vector<Color> color;
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color.push_back(Color(0, 0, 0, 0.6));
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draw_polygon(Variant(poly), color);
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} else {
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int ps = poly.size();
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const Vector2 *r = poly.ptr();
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for (int i = 0; i < ps - 1; i++) {
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draw_line(r[i], r[i + 1], Color(0, 0, 0, 0.6), 3);
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}
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}
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}
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}
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}
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}
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if (p_what == NOTIFICATION_EXIT_CANVAS) {
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VS::get_singleton()->canvas_light_occluder_attach_to_canvas(occluder, RID());
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}
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}
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#ifdef TOOLS_ENABLED
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Rect2 LightOccluder2D::_edit_get_rect() const {
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return occluder_polygon.is_valid() ? occluder_polygon->_edit_get_rect() : Rect2();
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}
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bool LightOccluder2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
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return occluder_polygon.is_valid() ? occluder_polygon->_edit_is_selected_on_click(p_point, p_tolerance) : false;
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}
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#endif
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void LightOccluder2D::set_occluder_polygon(const Ref<OccluderPolygon2D> &p_polygon) {
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#ifdef DEBUG_ENABLED
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if (occluder_polygon.is_valid())
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occluder_polygon->disconnect("changed", this, "_poly_changed");
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#endif
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occluder_polygon = p_polygon;
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if (occluder_polygon.is_valid())
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VS::get_singleton()->canvas_light_occluder_set_polygon(occluder, occluder_polygon->get_rid());
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else
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VS::get_singleton()->canvas_light_occluder_set_polygon(occluder, RID());
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#ifdef DEBUG_ENABLED
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if (occluder_polygon.is_valid())
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occluder_polygon->connect("changed", this, "_poly_changed");
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update();
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#endif
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}
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Ref<OccluderPolygon2D> LightOccluder2D::get_occluder_polygon() const {
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return occluder_polygon;
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}
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void LightOccluder2D::set_occluder_light_mask(int p_mask) {
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mask = p_mask;
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VS::get_singleton()->canvas_light_occluder_set_light_mask(occluder, mask);
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}
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int LightOccluder2D::get_occluder_light_mask() const {
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return mask;
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}
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String LightOccluder2D::get_configuration_warning() const {
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if (!occluder_polygon.is_valid()) {
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return TTR("An occluder polygon must be set (or drawn) for this occluder to take effect.");
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}
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if (occluder_polygon.is_valid() && occluder_polygon->get_polygon().size() == 0) {
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return TTR("The occluder polygon for this occluder is empty. Please draw a polygon.");
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}
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return String();
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}
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void LightOccluder2D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_occluder_polygon", "polygon"), &LightOccluder2D::set_occluder_polygon);
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ClassDB::bind_method(D_METHOD("get_occluder_polygon"), &LightOccluder2D::get_occluder_polygon);
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ClassDB::bind_method(D_METHOD("set_occluder_light_mask", "mask"), &LightOccluder2D::set_occluder_light_mask);
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ClassDB::bind_method(D_METHOD("get_occluder_light_mask"), &LightOccluder2D::get_occluder_light_mask);
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ClassDB::bind_method("_poly_changed", &LightOccluder2D::_poly_changed);
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "occluder", PROPERTY_HINT_RESOURCE_TYPE, "OccluderPolygon2D"), "set_occluder_polygon", "get_occluder_polygon");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "light_mask", PROPERTY_HINT_LAYERS_2D_RENDER), "set_occluder_light_mask", "get_occluder_light_mask");
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}
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LightOccluder2D::LightOccluder2D() {
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occluder = VS::get_singleton()->canvas_light_occluder_create();
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mask = 1;
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set_notify_transform(true);
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}
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LightOccluder2D::~LightOccluder2D() {
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VS::get_singleton()->free(occluder);
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}
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