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https://github.com/Relintai/pandemonium_engine.git
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942a304f4e
It turns out `NOTIFICATION_TRANSFORM_CHANGED` is deferred for these nodes, which can mean the transform is not set in the `VisualServer` until after the reset has been sent, even if the transform is set before the reset in script. This prevented the reset from acting correctly. Here we explicitly set the transform prior to each reset, to ensure the `VisualServer` is up to date.
303 lines
11 KiB
C++
303 lines
11 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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/* PANDEMONIUM ENGINE */
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/* https://github.com/Relintai/pandemonium_engine */
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/*************************************************************************/
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/* Copyright (c) 2022-present Péter Magyar. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* Copyright (c) 2007-2022 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 "light_occluder_2d.h"
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#include "core/config/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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PoolVector<Vector2>::Read r = polygon.read();
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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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}
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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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PoolVector<Vector2>::Read points = polygon.read();
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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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}
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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 PoolVector<Vector2> &p_polygon) {
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polygon = p_polygon;
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rect_cache_dirty = true;
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RS::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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PoolVector<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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}
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closed = p_closed;
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if (polygon.size()) {
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RS::get_singleton()->canvas_occluder_polygon_set_shape(occ_polygon, polygon, closed);
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}
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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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RS::get_singleton()->canvas_occluder_polygon_set_cull_mode(occ_polygon, RS::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::POOL_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 = RID_PRIME(RS::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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RS::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::_physics_interpolated_changed() {
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RenderingServer::get_singleton()->canvas_light_occluder_set_interpolated(occluder, is_physics_interpolated());
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}
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void LightOccluder2D::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_CANVAS: {
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RS::get_singleton()->canvas_light_occluder_attach_to_canvas(occluder, get_canvas());
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RS::get_singleton()->canvas_light_occluder_set_transform(occluder, get_global_transform());
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RS::get_singleton()->canvas_light_occluder_set_enabled(occluder, is_visible_in_tree());
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} break;
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case NOTIFICATION_TRANSFORM_CHANGED: {
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RS::get_singleton()->canvas_light_occluder_set_transform(occluder, get_global_transform());
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} break;
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case NOTIFICATION_VISIBILITY_CHANGED: {
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RS::get_singleton()->canvas_light_occluder_set_enabled(occluder, is_visible_in_tree());
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} break;
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case 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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PoolVector<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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PoolVector<Vector2>::Read r = poly.read();
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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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} break;
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case NOTIFICATION_EXIT_CANVAS: {
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RS::get_singleton()->canvas_light_occluder_attach_to_canvas(occluder, RID());
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} break;
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case NOTIFICATION_RESET_PHYSICS_INTERPOLATION: {
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if (is_visible_in_tree() && is_physics_interpolated()) {
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// Explicitly make sure the transform is up to date in VisualServer before
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// resetting. This is necessary because NOTIFICATION_TRANSFORM_CHANGED
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// is normally deferred, and a client change to transform will not always be sent
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// before the reset, so we need to guarantee this.
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RS::get_singleton()->canvas_light_occluder_set_transform(occluder, get_global_transform());
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RS::get_singleton()->canvas_light_occluder_reset_physics_interpolation(occluder);
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}
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} break;
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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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}
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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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RS::get_singleton()->canvas_light_occluder_set_polygon(occluder, occluder_polygon->get_rid());
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} else {
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RS::get_singleton()->canvas_light_occluder_set_polygon(occluder, RID());
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}
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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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}
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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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RS::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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String warning = Node2D::get_configuration_warning();
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if (!occluder_polygon.is_valid()) {
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if (warning != String()) {
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warning += "\n\n";
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}
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warning += 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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if (warning != String()) {
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warning += "\n\n";
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}
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warning += TTR("The occluder polygon for this occluder is empty. Please draw a polygon.");
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}
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return warning;
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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 = RID_PRIME(RS::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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RS::get_singleton()->free(occluder);
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}
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