/*************************************************************************/ /* collision_object_2d.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2019 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_object_2d.h" #include "scene/scene_string_names.h" #include "servers/physics_2d_server.h" void CollisionObject2D::_notification(int p_what) { switch (p_what) { case NOTIFICATION_ENTER_TREE: { Transform2D global_transform = get_global_transform(); if (area) Physics2DServer::get_singleton()->area_set_transform(rid, global_transform); else Physics2DServer::get_singleton()->body_set_state(rid, Physics2DServer::BODY_STATE_TRANSFORM, global_transform); last_transform = global_transform; RID space = get_world_2d()->get_space(); if (area) { Physics2DServer::get_singleton()->area_set_space(rid, space); } else Physics2DServer::get_singleton()->body_set_space(rid, space); _update_pickable(); //get space } break; case NOTIFICATION_ENTER_CANVAS: { if (area) Physics2DServer::get_singleton()->area_attach_canvas_instance_id(rid, get_canvas_layer_instance_id()); else Physics2DServer::get_singleton()->body_attach_canvas_instance_id(rid, get_canvas_layer_instance_id()); } break; case NOTIFICATION_VISIBILITY_CHANGED: { _update_pickable(); } break; case NOTIFICATION_TRANSFORM_CHANGED: { Transform2D global_transform = get_global_transform(); if (only_update_transform_changes && global_transform == last_transform) { return; } if (area) Physics2DServer::get_singleton()->area_set_transform(rid, global_transform); else Physics2DServer::get_singleton()->body_set_state(rid, Physics2DServer::BODY_STATE_TRANSFORM, global_transform); last_transform = global_transform; } break; case NOTIFICATION_EXIT_TREE: { if (area) { Physics2DServer::get_singleton()->area_set_space(rid, RID()); } else Physics2DServer::get_singleton()->body_set_space(rid, RID()); } break; case NOTIFICATION_EXIT_CANVAS: { if (area) Physics2DServer::get_singleton()->area_attach_canvas_instance_id(rid, 0); else Physics2DServer::get_singleton()->body_attach_canvas_instance_id(rid, 0); } break; } } uint32_t CollisionObject2D::create_shape_owner(Object *p_owner) { ShapeData sd; uint32_t id; if (shapes.size() == 0) { id = 0; } else { id = shapes.back()->key() + 1; } sd.owner = p_owner; shapes[id] = sd; return id; } void CollisionObject2D::remove_shape_owner(uint32_t owner) { ERR_FAIL_COND(!shapes.has(owner)); shape_owner_clear_shapes(owner); shapes.erase(owner); } void CollisionObject2D::shape_owner_set_disabled(uint32_t p_owner, bool p_disabled) { ERR_FAIL_COND(!shapes.has(p_owner)); ShapeData &sd = shapes[p_owner]; sd.disabled = p_disabled; for (int i = 0; i < sd.shapes.size(); i++) { if (area) { Physics2DServer::get_singleton()->area_set_shape_disabled(rid, sd.shapes[i].index, p_disabled); } else { Physics2DServer::get_singleton()->body_set_shape_disabled(rid, sd.shapes[i].index, p_disabled); } } } bool CollisionObject2D::is_shape_owner_disabled(uint32_t p_owner) const { ERR_FAIL_COND_V(!shapes.has(p_owner), false); return shapes[p_owner].disabled; } void CollisionObject2D::shape_owner_set_one_way_collision(uint32_t p_owner, bool p_enable) { if (area) return; //not for areas ERR_FAIL_COND(!shapes.has(p_owner)); ShapeData &sd = shapes[p_owner]; sd.one_way_collision = p_enable; for (int i = 0; i < sd.shapes.size(); i++) { Physics2DServer::get_singleton()->body_set_shape_as_one_way_collision(rid, sd.shapes[i].index, sd.one_way_collision, sd.one_way_collision_margin); } } bool CollisionObject2D::is_shape_owner_one_way_collision_enabled(uint32_t p_owner) const { ERR_FAIL_COND_V(!shapes.has(p_owner), false); return shapes[p_owner].one_way_collision; } void CollisionObject2D::shape_owner_set_one_way_collision_margin(uint32_t p_owner, float p_margin) { if (area) return; //not for areas ERR_FAIL_COND(!shapes.has(p_owner)); ShapeData &sd = shapes[p_owner]; sd.one_way_collision_margin = p_margin; for (int i = 0; i < sd.shapes.size(); i++) { Physics2DServer::get_singleton()->body_set_shape_as_one_way_collision(rid, sd.shapes[i].index, sd.one_way_collision, sd.one_way_collision_margin); } } float CollisionObject2D::get_shape_owner_one_way_collision_margin(uint32_t p_owner) const { ERR_FAIL_COND_V(!shapes.has(p_owner), 0); return shapes[p_owner].one_way_collision_margin; } void CollisionObject2D::get_shape_owners(List<uint32_t> *r_owners) { for (Map<uint32_t, ShapeData>::Element *E = shapes.front(); E; E = E->next()) { r_owners->push_back(E->key()); } } Array CollisionObject2D::_get_shape_owners() { Array ret; for (Map<uint32_t, ShapeData>::Element *E = shapes.front(); E; E = E->next()) { ret.push_back(E->key()); } return ret; } void CollisionObject2D::shape_owner_set_transform(uint32_t p_owner, const Transform2D &p_transform) { ERR_FAIL_COND(!shapes.has(p_owner)); ShapeData &sd = shapes[p_owner]; sd.xform = p_transform; for (int i = 0; i < sd.shapes.size(); i++) { if (area) { Physics2DServer::get_singleton()->area_set_shape_transform(rid, sd.shapes[i].index, sd.xform); } else { Physics2DServer::get_singleton()->body_set_shape_transform(rid, sd.shapes[i].index, sd.xform); } } } Transform2D CollisionObject2D::shape_owner_get_transform(uint32_t p_owner) const { ERR_FAIL_COND_V(!shapes.has(p_owner), Transform2D()); return shapes[p_owner].xform; } Object *CollisionObject2D::shape_owner_get_owner(uint32_t p_owner) const { ERR_FAIL_COND_V(!shapes.has(p_owner), NULL); return shapes[p_owner].owner; } void CollisionObject2D::shape_owner_add_shape(uint32_t p_owner, const Ref<Shape2D> &p_shape) { ERR_FAIL_COND(!shapes.has(p_owner)); ERR_FAIL_COND(p_shape.is_null()); ShapeData &sd = shapes[p_owner]; ShapeData::Shape s; s.index = total_subshapes; s.shape = p_shape; if (area) { Physics2DServer::get_singleton()->area_add_shape(rid, p_shape->get_rid(), sd.xform, sd.disabled); } else { Physics2DServer::get_singleton()->body_add_shape(rid, p_shape->get_rid(), sd.xform, sd.disabled); } sd.shapes.push_back(s); total_subshapes++; } int CollisionObject2D::shape_owner_get_shape_count(uint32_t p_owner) const { ERR_FAIL_COND_V(!shapes.has(p_owner), 0); return shapes[p_owner].shapes.size(); } Ref<Shape2D> CollisionObject2D::shape_owner_get_shape(uint32_t p_owner, int p_shape) const { ERR_FAIL_COND_V(!shapes.has(p_owner), Ref<Shape2D>()); ERR_FAIL_INDEX_V(p_shape, shapes[p_owner].shapes.size(), Ref<Shape2D>()); return shapes[p_owner].shapes[p_shape].shape; } int CollisionObject2D::shape_owner_get_shape_index(uint32_t p_owner, int p_shape) const { ERR_FAIL_COND_V(!shapes.has(p_owner), -1); ERR_FAIL_INDEX_V(p_shape, shapes[p_owner].shapes.size(), -1); return shapes[p_owner].shapes[p_shape].index; } void CollisionObject2D::shape_owner_remove_shape(uint32_t p_owner, int p_shape) { ERR_FAIL_COND(!shapes.has(p_owner)); ERR_FAIL_INDEX(p_shape, shapes[p_owner].shapes.size()); int index_to_remove = shapes[p_owner].shapes[p_shape].index; if (area) { Physics2DServer::get_singleton()->area_remove_shape(rid, index_to_remove); } else { Physics2DServer::get_singleton()->body_remove_shape(rid, index_to_remove); } shapes[p_owner].shapes.remove(p_shape); for (Map<uint32_t, ShapeData>::Element *E = shapes.front(); E; E = E->next()) { for (int i = 0; i < E->get().shapes.size(); i++) { if (E->get().shapes[i].index > index_to_remove) { E->get().shapes.write[i].index -= 1; } } } total_subshapes--; } void CollisionObject2D::shape_owner_clear_shapes(uint32_t p_owner) { ERR_FAIL_COND(!shapes.has(p_owner)); while (shape_owner_get_shape_count(p_owner) > 0) { shape_owner_remove_shape(p_owner, 0); } } uint32_t CollisionObject2D::shape_find_owner(int p_shape_index) const { ERR_FAIL_INDEX_V(p_shape_index, total_subshapes, 0); for (const Map<uint32_t, ShapeData>::Element *E = shapes.front(); E; E = E->next()) { for (int i = 0; i < E->get().shapes.size(); i++) { if (E->get().shapes[i].index == p_shape_index) { return E->key(); } } } //in theory it should be unreachable return 0; } void CollisionObject2D::set_pickable(bool p_enabled) { if (pickable == p_enabled) return; pickable = p_enabled; _update_pickable(); } bool CollisionObject2D::is_pickable() const { return pickable; } void CollisionObject2D::_input_event(Node *p_viewport, const Ref<InputEvent> &p_input_event, int p_shape) { if (get_script_instance()) { get_script_instance()->call(SceneStringNames::get_singleton()->_input_event, p_viewport, p_input_event, p_shape); } emit_signal(SceneStringNames::get_singleton()->input_event, p_viewport, p_input_event, p_shape); } void CollisionObject2D::_mouse_enter() { if (get_script_instance()) { get_script_instance()->call(SceneStringNames::get_singleton()->_mouse_enter); } emit_signal(SceneStringNames::get_singleton()->mouse_entered); } void CollisionObject2D::_mouse_exit() { if (get_script_instance()) { get_script_instance()->call(SceneStringNames::get_singleton()->_mouse_exit); } emit_signal(SceneStringNames::get_singleton()->mouse_exited); } void CollisionObject2D::set_only_update_transform_changes(bool p_enable) { only_update_transform_changes = p_enable; } void CollisionObject2D::_update_pickable() { if (!is_inside_tree()) return; bool is_pickable = pickable && is_visible_in_tree(); if (area) Physics2DServer::get_singleton()->area_set_pickable(rid, is_pickable); else Physics2DServer::get_singleton()->body_set_pickable(rid, is_pickable); } String CollisionObject2D::get_configuration_warning() const { String warning = Node2D::get_configuration_warning(); if (shapes.empty()) { if (!warning.empty()) { warning += "\n\n"; } warning += TTR("This node has no shape, so it can't collide or interact with other objects.\nConsider adding a CollisionShape2D or CollisionPolygon2D as a child to define its shape."); } return warning; } void CollisionObject2D::_bind_methods() { ClassDB::bind_method(D_METHOD("get_rid"), &CollisionObject2D::get_rid); ClassDB::bind_method(D_METHOD("set_pickable", "enabled"), &CollisionObject2D::set_pickable); ClassDB::bind_method(D_METHOD("is_pickable"), &CollisionObject2D::is_pickable); ClassDB::bind_method(D_METHOD("create_shape_owner", "owner"), &CollisionObject2D::create_shape_owner); ClassDB::bind_method(D_METHOD("remove_shape_owner", "owner_id"), &CollisionObject2D::remove_shape_owner); ClassDB::bind_method(D_METHOD("get_shape_owners"), &CollisionObject2D::_get_shape_owners); ClassDB::bind_method(D_METHOD("shape_owner_set_transform", "owner_id", "transform"), &CollisionObject2D::shape_owner_set_transform); ClassDB::bind_method(D_METHOD("shape_owner_get_transform", "owner_id"), &CollisionObject2D::shape_owner_get_transform); ClassDB::bind_method(D_METHOD("shape_owner_get_owner", "owner_id"), &CollisionObject2D::shape_owner_get_owner); ClassDB::bind_method(D_METHOD("shape_owner_set_disabled", "owner_id", "disabled"), &CollisionObject2D::shape_owner_set_disabled); ClassDB::bind_method(D_METHOD("is_shape_owner_disabled", "owner_id"), &CollisionObject2D::is_shape_owner_disabled); ClassDB::bind_method(D_METHOD("shape_owner_set_one_way_collision", "owner_id", "enable"), &CollisionObject2D::shape_owner_set_one_way_collision); ClassDB::bind_method(D_METHOD("is_shape_owner_one_way_collision_enabled", "owner_id"), &CollisionObject2D::is_shape_owner_one_way_collision_enabled); ClassDB::bind_method(D_METHOD("shape_owner_set_one_way_collision_margin", "owner_id", "margin"), &CollisionObject2D::shape_owner_set_one_way_collision_margin); ClassDB::bind_method(D_METHOD("get_shape_owner_one_way_collision_margin", "owner_id"), &CollisionObject2D::get_shape_owner_one_way_collision_margin); ClassDB::bind_method(D_METHOD("shape_owner_add_shape", "owner_id", "shape"), &CollisionObject2D::shape_owner_add_shape); ClassDB::bind_method(D_METHOD("shape_owner_get_shape_count", "owner_id"), &CollisionObject2D::shape_owner_get_shape_count); ClassDB::bind_method(D_METHOD("shape_owner_get_shape", "owner_id", "shape_id"), &CollisionObject2D::shape_owner_get_shape); ClassDB::bind_method(D_METHOD("shape_owner_get_shape_index", "owner_id", "shape_id"), &CollisionObject2D::shape_owner_get_shape_index); ClassDB::bind_method(D_METHOD("shape_owner_remove_shape", "owner_id", "shape_id"), &CollisionObject2D::shape_owner_remove_shape); ClassDB::bind_method(D_METHOD("shape_owner_clear_shapes", "owner_id"), &CollisionObject2D::shape_owner_clear_shapes); ClassDB::bind_method(D_METHOD("shape_find_owner", "shape_index"), &CollisionObject2D::shape_find_owner); BIND_VMETHOD(MethodInfo("_input_event", PropertyInfo(Variant::OBJECT, "viewport"), PropertyInfo(Variant::OBJECT, "event", PROPERTY_HINT_RESOURCE_TYPE, "InputEvent"), PropertyInfo(Variant::INT, "shape_idx"))); ADD_SIGNAL(MethodInfo("input_event", PropertyInfo(Variant::OBJECT, "viewport", PROPERTY_HINT_RESOURCE_TYPE, "Node"), PropertyInfo(Variant::OBJECT, "event", PROPERTY_HINT_RESOURCE_TYPE, "InputEvent"), PropertyInfo(Variant::INT, "shape_idx"))); ADD_SIGNAL(MethodInfo("mouse_entered")); ADD_SIGNAL(MethodInfo("mouse_exited")); ADD_GROUP("Pickable", "input_"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "input_pickable"), "set_pickable", "is_pickable"); ADD_GROUP("", ""); } CollisionObject2D::CollisionObject2D(RID p_rid, bool p_area) { rid = p_rid; area = p_area; pickable = true; set_notify_transform(true); total_subshapes = 0; only_update_transform_changes = false; if (p_area) { Physics2DServer::get_singleton()->area_attach_object_instance_id(rid, get_instance_id()); } else { Physics2DServer::get_singleton()->body_attach_object_instance_id(rid, get_instance_id()); } } CollisionObject2D::CollisionObject2D() { //owner= set_notify_transform(true); } CollisionObject2D::~CollisionObject2D() { Physics2DServer::get_singleton()->free(rid); }