/*************************************************************************/ /* collision_shape_2d.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2022 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 "collision_shape_2d.h" #include "collision_object_2d.h" #include "scene/2d/area_2d.h" #include "scene/resources/concave_polygon_shape_2d.h" #include "scene/resources/convex_polygon_shape_2d.h" void CollisionShape2D::_shape_changed() { update(); } void CollisionShape2D::_update_in_shape_owner(bool p_xform_only) { parent->shape_owner_set_transform(owner_id, get_transform()); if (p_xform_only) { return; } parent->shape_owner_set_disabled(owner_id, disabled); parent->shape_owner_set_one_way_collision(owner_id, one_way_collision); parent->shape_owner_set_one_way_collision_margin(owner_id, one_way_collision_margin); } void CollisionShape2D::_notification(int p_what) { switch (p_what) { case NOTIFICATION_PARENTED: { parent = Object::cast_to<CollisionObject2D>(get_parent()); if (parent) { owner_id = parent->create_shape_owner(this); if (shape.is_valid()) { parent->shape_owner_add_shape(owner_id, shape); } _update_in_shape_owner(); } } break; case NOTIFICATION_ENTER_TREE: { if (parent) { _update_in_shape_owner(); } } break; case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: { if (parent) { _update_in_shape_owner(true); } } break; case NOTIFICATION_UNPARENTED: { if (parent) { parent->remove_shape_owner(owner_id); } owner_id = 0; parent = nullptr; } break; case NOTIFICATION_DRAW: { ERR_FAIL_COND(!is_inside_tree()); if (!Engine::get_singleton()->is_editor_hint() && !get_tree()->is_debugging_collisions_hint()) { break; } if (!shape.is_valid()) { break; } rect = Rect2(); Color draw_col = get_tree()->get_debug_collisions_color(); if (disabled) { float g = draw_col.get_v(); draw_col.r = g; draw_col.g = g; draw_col.b = g; draw_col.a *= 0.5; } shape->draw(get_canvas_item(), draw_col); rect = shape->get_rect(); rect = rect.grow(3); if (one_way_collision) { // Draw an arrow indicating the one-way collision direction draw_col = get_tree()->get_debug_collisions_color().inverted(); if (disabled) { draw_col = draw_col.darkened(0.25); } Vector2 line_to(0, 20); draw_line(Vector2(), line_to, draw_col, 2); real_t tsize = 8; Vector<Vector2> pts{ line_to + Vector2(0, tsize), line_to + Vector2(Math_SQRT12 * tsize, 0), line_to + Vector2(-Math_SQRT12 * tsize, 0) }; Vector<Color> cols{ draw_col, draw_col, draw_col }; draw_primitive(pts, cols, Vector<Vector2>()); } } break; } } void CollisionShape2D::set_shape(const Ref<Shape2D> &p_shape) { if (p_shape == shape) { return; } if (shape.is_valid()) { shape->disconnect("changed", callable_mp(this, &CollisionShape2D::_shape_changed)); } shape = p_shape; update(); if (parent) { parent->shape_owner_clear_shapes(owner_id); if (shape.is_valid()) { parent->shape_owner_add_shape(owner_id, shape); } _update_in_shape_owner(); } if (shape.is_valid()) { shape->connect("changed", callable_mp(this, &CollisionShape2D::_shape_changed)); } update_configuration_warnings(); } Ref<Shape2D> CollisionShape2D::get_shape() const { return shape; } bool CollisionShape2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const { if (!shape.is_valid()) { return false; } return shape->_edit_is_selected_on_click(p_point, p_tolerance); } TypedArray<String> CollisionShape2D::get_configuration_warnings() const { TypedArray<String> warnings = Node::get_configuration_warnings(); if (!Object::cast_to<CollisionObject2D>(get_parent())) { warnings.push_back(RTR("CollisionShape2D only serves to provide a collision shape to a CollisionObject2D derived node. Please only use it as a child of Area2D, StaticBody2D, RigidDynamicBody2D, CharacterBody2D, etc. to give them a shape.")); } if (!shape.is_valid()) { warnings.push_back(RTR("A shape must be provided for CollisionShape2D to function. Please create a shape resource for it!")); } if (one_way_collision && Object::cast_to<Area2D>(get_parent())) { warnings.push_back(RTR("The One Way Collision property will be ignored when the parent is an Area2D.")); } Ref<ConvexPolygonShape2D> convex = shape; Ref<ConcavePolygonShape2D> concave = shape; if (convex.is_valid() || concave.is_valid()) { warnings.push_back(RTR("Polygon-based shapes are not meant be used nor edited directly through the CollisionShape2D node. Please use the CollisionPolygon2D node instead.")); } return warnings; } void CollisionShape2D::set_disabled(bool p_disabled) { disabled = p_disabled; update(); if (parent) { parent->shape_owner_set_disabled(owner_id, p_disabled); } } bool CollisionShape2D::is_disabled() const { return disabled; } void CollisionShape2D::set_one_way_collision(bool p_enable) { one_way_collision = p_enable; update(); if (parent) { parent->shape_owner_set_one_way_collision(owner_id, p_enable); } update_configuration_warnings(); } bool CollisionShape2D::is_one_way_collision_enabled() const { return one_way_collision; } void CollisionShape2D::set_one_way_collision_margin(real_t p_margin) { one_way_collision_margin = p_margin; if (parent) { parent->shape_owner_set_one_way_collision_margin(owner_id, one_way_collision_margin); } } real_t CollisionShape2D::get_one_way_collision_margin() const { return one_way_collision_margin; } void CollisionShape2D::_bind_methods() { ClassDB::bind_method(D_METHOD("set_shape", "shape"), &CollisionShape2D::set_shape); ClassDB::bind_method(D_METHOD("get_shape"), &CollisionShape2D::get_shape); ClassDB::bind_method(D_METHOD("set_disabled", "disabled"), &CollisionShape2D::set_disabled); ClassDB::bind_method(D_METHOD("is_disabled"), &CollisionShape2D::is_disabled); ClassDB::bind_method(D_METHOD("set_one_way_collision", "enabled"), &CollisionShape2D::set_one_way_collision); ClassDB::bind_method(D_METHOD("is_one_way_collision_enabled"), &CollisionShape2D::is_one_way_collision_enabled); ClassDB::bind_method(D_METHOD("set_one_way_collision_margin", "margin"), &CollisionShape2D::set_one_way_collision_margin); ClassDB::bind_method(D_METHOD("get_one_way_collision_margin"), &CollisionShape2D::get_one_way_collision_margin); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "shape", PROPERTY_HINT_RESOURCE_TYPE, "Shape2D"), "set_shape", "get_shape"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "disabled"), "set_disabled", "is_disabled"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "one_way_collision"), "set_one_way_collision", "is_one_way_collision_enabled"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "one_way_collision_margin", PROPERTY_HINT_RANGE, "0,128,0.1,suffix:px"), "set_one_way_collision_margin", "get_one_way_collision_margin"); } CollisionShape2D::CollisionShape2D() { set_notify_local_transform(true); }