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- /*************************************************************************/
- /* light_occluder_2d.cpp */
- /*************************************************************************/
- /* This file is part of: */
- /* GODOT ENGINE */
- /* https://godotengine.org */
- /*************************************************************************/
- /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
- /* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
- /* */
- /* Permission is hereby granted, free of charge, to any person obtaining */
- /* a copy of this software and associated documentation files (the */
- /* "Software"), to deal in the Software without restriction, including */
- /* without limitation the rights to use, copy, modify, merge, publish, */
- /* distribute, sublicense, and/or sell copies of the Software, and to */
- /* permit persons to whom the Software is furnished to do so, subject to */
- /* the following conditions: */
- /* */
- /* The above copyright notice and this permission notice shall be */
- /* included in all copies or substantial portions of the Software. */
- /* */
- /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
- /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
- /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
- /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
- /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
- /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
- /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
- /*************************************************************************/
- #include "light_occluder_2d.h"
- #include "engine.h"
- void OccluderPolygon2D::set_polygon(const PoolVector<Vector2> &p_polygon) {
- polygon = p_polygon;
- VS::get_singleton()->canvas_occluder_polygon_set_shape(occ_polygon, p_polygon, closed);
- emit_changed();
- }
- PoolVector<Vector2> OccluderPolygon2D::get_polygon() const {
- return polygon;
- }
- void OccluderPolygon2D::set_closed(bool p_closed) {
- if (closed == p_closed)
- return;
- closed = p_closed;
- if (polygon.size())
- VS::get_singleton()->canvas_occluder_polygon_set_shape(occ_polygon, polygon, closed);
- emit_changed();
- }
- bool OccluderPolygon2D::is_closed() const {
- return closed;
- }
- void OccluderPolygon2D::set_cull_mode(CullMode p_mode) {
- cull = p_mode;
- VS::get_singleton()->canvas_occluder_polygon_set_cull_mode(occ_polygon, VS::CanvasOccluderPolygonCullMode(p_mode));
- }
- OccluderPolygon2D::CullMode OccluderPolygon2D::get_cull_mode() const {
- return cull;
- }
- RID OccluderPolygon2D::get_rid() const {
- return occ_polygon;
- }
- void OccluderPolygon2D::_bind_methods() {
- ClassDB::bind_method(D_METHOD("set_closed", "closed"), &OccluderPolygon2D::set_closed);
- ClassDB::bind_method(D_METHOD("is_closed"), &OccluderPolygon2D::is_closed);
- ClassDB::bind_method(D_METHOD("set_cull_mode", "cull_mode"), &OccluderPolygon2D::set_cull_mode);
- ClassDB::bind_method(D_METHOD("get_cull_mode"), &OccluderPolygon2D::get_cull_mode);
- ClassDB::bind_method(D_METHOD("set_polygon", "polygon"), &OccluderPolygon2D::set_polygon);
- ClassDB::bind_method(D_METHOD("get_polygon"), &OccluderPolygon2D::get_polygon);
- ADD_PROPERTY(PropertyInfo(Variant::BOOL, "closed"), "set_closed", "is_closed");
- ADD_PROPERTY(PropertyInfo(Variant::INT, "cull_mode", PROPERTY_HINT_ENUM, "Disabled,ClockWise,CounterClockWise"), "set_cull_mode", "get_cull_mode");
- ADD_PROPERTY(PropertyInfo(Variant::POOL_VECTOR2_ARRAY, "polygon"), "set_polygon", "get_polygon");
- BIND_ENUM_CONSTANT(CULL_DISABLED);
- BIND_ENUM_CONSTANT(CULL_CLOCKWISE);
- BIND_ENUM_CONSTANT(CULL_COUNTER_CLOCKWISE);
- }
- OccluderPolygon2D::OccluderPolygon2D() {
- occ_polygon = VS::get_singleton()->canvas_occluder_polygon_create();
- closed = true;
- cull = CULL_DISABLED;
- }
- OccluderPolygon2D::~OccluderPolygon2D() {
- VS::get_singleton()->free(occ_polygon);
- }
- #ifdef DEBUG_ENABLED
- void LightOccluder2D::_poly_changed() {
- update();
- }
- #endif
- void LightOccluder2D::_notification(int p_what) {
- if (p_what == NOTIFICATION_ENTER_CANVAS) {
- VS::get_singleton()->canvas_light_occluder_attach_to_canvas(occluder, get_canvas());
- VS::get_singleton()->canvas_light_occluder_set_transform(occluder, get_global_transform());
- VS::get_singleton()->canvas_light_occluder_set_enabled(occluder, is_visible_in_tree());
- }
- if (p_what == NOTIFICATION_TRANSFORM_CHANGED) {
- VS::get_singleton()->canvas_light_occluder_set_transform(occluder, get_global_transform());
- }
- if (p_what == NOTIFICATION_VISIBILITY_CHANGED) {
- VS::get_singleton()->canvas_light_occluder_set_enabled(occluder, is_visible_in_tree());
- }
- if (p_what == NOTIFICATION_DRAW) {
- if (Engine::get_singleton()->is_editor_hint()) {
- if (occluder_polygon.is_valid()) {
- PoolVector<Vector2> poly = occluder_polygon->get_polygon();
- if (poly.size()) {
- if (occluder_polygon->is_closed()) {
- Vector<Color> color;
- color.push_back(Color(0, 0, 0, 0.6));
- draw_polygon(Variant(poly), color);
- } else {
- int ps = poly.size();
- PoolVector<Vector2>::Read r = poly.read();
- for (int i = 0; i < ps - 1; i++) {
- draw_line(r[i], r[i + 1], Color(0, 0, 0, 0.6), 3);
- }
- }
- }
- }
- }
- }
- if (p_what == NOTIFICATION_EXIT_CANVAS) {
- VS::get_singleton()->canvas_light_occluder_attach_to_canvas(occluder, RID());
- }
- }
- void LightOccluder2D::set_occluder_polygon(const Ref<OccluderPolygon2D> &p_polygon) {
- #ifdef DEBUG_ENABLED
- if (occluder_polygon.is_valid())
- occluder_polygon->disconnect("changed", this, "_poly_changed");
- #endif
- occluder_polygon = p_polygon;
- if (occluder_polygon.is_valid())
- VS::get_singleton()->canvas_light_occluder_set_polygon(occluder, occluder_polygon->get_rid());
- else
- VS::get_singleton()->canvas_light_occluder_set_polygon(occluder, RID());
- #ifdef DEBUG_ENABLED
- if (occluder_polygon.is_valid())
- occluder_polygon->connect("changed", this, "_poly_changed");
- update();
- #endif
- }
- Ref<OccluderPolygon2D> LightOccluder2D::get_occluder_polygon() const {
- return occluder_polygon;
- }
- void LightOccluder2D::set_occluder_light_mask(int p_mask) {
- mask = p_mask;
- VS::get_singleton()->canvas_light_occluder_set_light_mask(occluder, mask);
- }
- int LightOccluder2D::get_occluder_light_mask() const {
- return mask;
- }
- String LightOccluder2D::get_configuration_warning() const {
- if (!occluder_polygon.is_valid()) {
- return TTR("An occluder polygon must be set (or drawn) for this occluder to take effect.");
- }
- if (occluder_polygon.is_valid() && occluder_polygon->get_polygon().size() == 0) {
- return TTR("The occluder polygon for this occluder is empty. Please draw a polygon!");
- }
- return String();
- }
- void LightOccluder2D::_bind_methods() {
- ClassDB::bind_method(D_METHOD("set_occluder_polygon", "polygon"), &LightOccluder2D::set_occluder_polygon);
- ClassDB::bind_method(D_METHOD("get_occluder_polygon"), &LightOccluder2D::get_occluder_polygon);
- ClassDB::bind_method(D_METHOD("set_occluder_light_mask", "mask"), &LightOccluder2D::set_occluder_light_mask);
- ClassDB::bind_method(D_METHOD("get_occluder_light_mask"), &LightOccluder2D::get_occluder_light_mask);
- #ifdef DEBUG_ENABLED
- ClassDB::bind_method("_poly_changed", &LightOccluder2D::_poly_changed);
- #endif
- ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "occluder", PROPERTY_HINT_RESOURCE_TYPE, "OccluderPolygon2D"), "set_occluder_polygon", "get_occluder_polygon");
- ADD_PROPERTY(PropertyInfo(Variant::INT, "light_mask", PROPERTY_HINT_LAYERS_2D_RENDER), "set_occluder_light_mask", "get_occluder_light_mask");
- }
- LightOccluder2D::LightOccluder2D() {
- occluder = VS::get_singleton()->canvas_light_occluder_create();
- mask = 1;
- set_notify_transform(true);
- }
- LightOccluder2D::~LightOccluder2D() {
- VS::get_singleton()->free(occluder);
- }
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