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Diffstat (limited to 'src/server/serveractiveobjectmap.h')
| -rw-r--r-- | src/server/serveractiveobjectmap.h | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/src/server/serveractiveobjectmap.h b/src/server/serveractiveobjectmap.h deleted file mode 100644 index 60f6890bd..000000000 --- a/src/server/serveractiveobjectmap.h +++ /dev/null @@ -1,143 +0,0 @@ -/* -Minetest -Copyright (C) 2018 numZero, Lobachevsky Vitaly <numzer0@yandex.com> - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU Lesser General Public License as published by -the Free Software Foundation; either version 2.1 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU Lesser General Public License for more details. - -You should have received a copy of the GNU Lesser General Public License along -with this program; if not, write to the Free Software Foundation, Inc., -51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -*/ - -#pragma once -#include <unordered_set> -#include <unordered_map> -#include <vector> -#include "irr_v3d.h" -#include "irr_aabb3d.h" - -class ServerActiveObject; - -/*! - * The class to speed up collision tests. - * - * @note It stores any objects but only those that has valid collision box - * (`physical` Lua entities) are actually processed. - * @note It uses world coordinate units, i.e. node size is always BS. - */ -struct ServerActiveObjectMap -{ - struct Wrapper - { - ServerActiveObject *object; - aabb3s16 box; - v3s16 pos; - bool has_box; - }; - - /*! - * Adds object to the map. It must have valid ID. - * - * If an object with the same ID already exists in the map, - * std::logic_error is thrown. - */ - void addObject(ServerActiveObject *object); - - /*! - * Removes object from the map. The pointer must be valid. - * See `removeObject(u16)` for details. - */ - void removeObject(ServerActiveObject *object); - - /*! - * Removes object from the map. - * - * If the object is not found, the call is ignored. - * The function never throws, unless the underlying container throws. - */ - ServerActiveObject *removeObject(u16 id); - - /*! - * Updates object metadata stored in the map. - * See `updateObject(u16)` for details. - */ - void updateObject(ServerActiveObject *object); - - /*! - * Updates object metadata stored in the map. - * - * The metadata includes (approximate) absolute collision box and - * its existence (`physical` property for Lua entities). - * This function must be called after each change of these properties, - * including each object movement. - */ - void updateObject(u16 id); - - /*! - * Returns the object with given ID, if any. - * Returns NULL otherwise. - */ - ServerActiveObject *getObject(u16 id) const; - - /*! - * Checks if the given ID is free and valid (i.e. non-zero). - */ - bool isFreeId(u16 id); - - /*! - * Returns a free ID, if any. Returns 0 in the case of failure. - * - * @note This function doesn't reserve the ID; it remains free until - * an object with that ID is added. - * @note This function tries to reclaim freed IDs as late as possible. - * However, there is no guarantee. - */ - u16 getFreeId(); - - /*! - * Returns a list of objects whose base position is at distance less - * than @p radius from @p pos. - * - * @note Due to inexact nature of floating-point computations, it is - * undefined whether an object lying exactly at the boundary is included - * in the list or not. - */ - std::vector<u16> getObjectsInsideRadius(v3f pos, float radius); - - /*! - * Returns a list of objects whose collision box intersects with @p box - * - * @note Due to inexact nature of floating-point computations, it is - * undefined whether an object lying exactly at the boundary is included - * in the list or not. - */ - std::vector<u16> getObjectsTouchingBox(const aabb3f &box); - - /*! - * Returns count of objects in the map. - */ - std::size_t size() const { return objects.size(); } - - /*! - * Returns reference to the underlying container. - */ - const std::unordered_map<u16, Wrapper> &getObjects() const { return objects; } - -private: - void addObjectRef(u16 id, v3s16 pos); - void removeObjectRef(u16 id, v3s16 pos); - void addObjectRefs(u16 id, const aabb3s16 &box); - void removeObjectRefs(u16 id, const aabb3s16 &box); - std::unordered_set<u16> getObjectsNearBox(const aabb3s16 &box); - - std::unordered_map<u16, Wrapper> objects; - std::unordered_multimap<v3s16, u16> refmap; -}; |