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-rw-r--r--src/content_sao.cpp4
-rw-r--r--src/irr_aabb3d.h2
-rw-r--r--src/irr_v3d.h20
-rw-r--r--src/server/CMakeLists.txt1
-rw-r--r--src/server/serveractiveobjectmap.cpp196
-rw-r--r--src/server/serveractiveobjectmap.h143
-rw-r--r--src/serverenvironment.cpp88
-rw-r--r--src/serverenvironment.h16
-rw-r--r--src/unittest/CMakeLists.txt1
-rw-r--r--src/unittest/test.h4
-rw-r--r--src/unittest/test_serveractiveobjectmap.cpp214
11 files changed, 611 insertions, 78 deletions
diff --git a/src/content_sao.cpp b/src/content_sao.cpp
index 1dc05cd22..0e0c19fce 100644
--- a/src/content_sao.cpp
+++ b/src/content_sao.cpp
@@ -224,6 +224,7 @@ ObjectProperties* UnitSAO::accessObjectProperties()
void UnitSAO::notifyObjectPropertiesModified()
{
+ m_env->updateActiveObject(this);
m_properties_sent = false;
}
@@ -607,6 +608,7 @@ void LuaEntitySAO::setPos(const v3f &pos)
if(isAttached())
return;
m_base_position = pos;
+ m_env->updateActiveObject(this);
sendPosition(false, true);
}
@@ -615,6 +617,7 @@ void LuaEntitySAO::moveTo(v3f pos, bool continuous)
if(isAttached())
return;
m_base_position = pos;
+ m_env->updateActiveObject(this);
if(!continuous)
sendPosition(true, true);
}
@@ -1102,6 +1105,7 @@ void PlayerSAO::setBasePosition(const v3f &position)
// This needs to be ran for attachments too
ServerActiveObject::setBasePosition(position);
+ m_env->updateActiveObject(this);
m_position_not_sent = true;
}
diff --git a/src/irr_aabb3d.h b/src/irr_aabb3d.h
index 73bb2db7a..1e2784036 100644
--- a/src/irr_aabb3d.h
+++ b/src/irr_aabb3d.h
@@ -24,3 +24,5 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include <aabbox3d.h>
typedef core::aabbox3d<f32> aabb3f;
+typedef core::aabbox3d<s16> aabb3s16;
+typedef core::aabbox3d<s32> aabb3s32;
diff --git a/src/irr_v3d.h b/src/irr_v3d.h
index 3e95c7913..49c2e60ce 100644
--- a/src/irr_v3d.h
+++ b/src/irr_v3d.h
@@ -18,13 +18,29 @@ with this program; if not, write to the Free Software Foundation, Inc.,
*/
#pragma once
-
#include "irrlichttypes.h"
-
#include <vector3d.h>
+#include <functional>
typedef core::vector3df v3f;
typedef core::vector3d<double> v3d;
typedef core::vector3d<s16> v3s16;
typedef core::vector3d<u16> v3u16;
typedef core::vector3d<s32> v3s32;
+
+namespace std
+{
+template <> struct hash<v3s16>
+{
+ typedef v3s16 argument_type;
+ typedef std::size_t result_type;
+ result_type operator()(const argument_type &s) const noexcept
+ {
+ // clang-format off
+ return static_cast<size_t>((static_cast<u64>(s.X) << 20) ^
+ (static_cast<u64>(s.Y) << 10) ^
+ (static_cast<u64>(s.Z)));
+ // clang-format on
+ }
+};
+}
diff --git a/src/server/CMakeLists.txt b/src/server/CMakeLists.txt
index b892e83b3..98b4730b1 100644
--- a/src/server/CMakeLists.txt
+++ b/src/server/CMakeLists.txt
@@ -1,3 +1,4 @@
set(server_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/mods.cpp
+ ${CMAKE_CURRENT_SOURCE_DIR}/serveractiveobjectmap.cpp
PARENT_SCOPE)
diff --git a/src/server/serveractiveobjectmap.cpp b/src/server/serveractiveobjectmap.cpp
new file mode 100644
index 000000000..e2def776d
--- /dev/null
+++ b/src/server/serveractiveobjectmap.cpp
@@ -0,0 +1,196 @@
+/*
+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.
+*/
+
+#include "serveractiveobjectmap.h"
+#include "constants.h"
+#include "log.h"
+#include "serverobject.h"
+
+static constexpr float granularity = 16.0 * BS;
+
+static aabb3s16 calcBox(const aabb3f &cb)
+{
+ return aabb3s16(
+ floor(cb.MinEdge.X / granularity),
+ floor(cb.MinEdge.Y / granularity),
+ floor(cb.MinEdge.Z / granularity),
+ ceil(cb.MaxEdge.X / granularity),
+ ceil(cb.MaxEdge.Y / granularity),
+ ceil(cb.MaxEdge.Z / granularity));
+}
+
+void ServerActiveObjectMap::addObject(ServerActiveObject *object)
+{
+ aabb3f cb;
+ Wrapper w;
+ u16 id = object->getId();
+ if (!isFreeId(id))
+ throw std::logic_error("ServerActiveObjectMap::addObject: "
+ "object ID in use: " + std::to_string(id));
+ w.object = object;
+ w.has_box = w.object->getCollisionBox(&cb);
+ if (w.has_box) {
+ w.box = calcBox(cb);
+ addObjectRefs(id, w.box);
+ }
+ objects.emplace(id, w);
+}
+
+ServerActiveObject *ServerActiveObjectMap::removeObject(u16 id)
+{
+ auto pw = objects.find(id);
+ if (pw == objects.end())
+ return nullptr; // silently ignore non-existent object
+ Wrapper w = pw->second;
+ if (w.has_box)
+ removeObjectRefs(id, w.box);
+ objects.erase(pw);
+ return w.object;
+}
+
+void ServerActiveObjectMap::removeObject(ServerActiveObject *object)
+{
+ removeObject(object->getId());
+}
+
+void ServerActiveObjectMap::updateObject(u16 id)
+{
+ auto pw = objects.find(id);
+ if (pw == objects.end()) {
+ warningstream << "Trying to update non-existent object: " << id
+ << std::endl;
+ return;
+ }
+ Wrapper &w = pw->second;
+ aabb3f cb;
+ aabb3s16 box;
+ bool has_box = w.object->getCollisionBox(&cb);
+ if (has_box)
+ box = calcBox(cb);
+ if (w.has_box && has_box && w.box == box)
+ return;
+ if (w.has_box)
+ removeObjectRefs(id, w.box);
+ w.box = box;
+ w.has_box = has_box;
+ if (w.has_box)
+ addObjectRefs(id, w.box);
+}
+
+void ServerActiveObjectMap::updateObject(ServerActiveObject *object)
+{
+ updateObject(object->getId());
+}
+
+ServerActiveObject *ServerActiveObjectMap::getObject(u16 id) const
+{
+ auto pw = objects.find(id);
+ if (pw == objects.end())
+ return nullptr;
+ return pw->second.object;
+}
+
+std::vector<u16> ServerActiveObjectMap::getObjectsInsideRadius(v3f pos, float radius)
+{
+ std::vector<u16> result;
+ auto nearby = getObjectsNearBox(calcBox({pos - radius, pos + radius}));
+ for (auto &id : nearby) {
+ ServerActiveObject *obj = getObject(id);
+ v3f objectpos = obj->getBasePosition();
+ if (objectpos.getDistanceFrom(pos) > radius)
+ continue;
+ result.push_back(id);
+ }
+ return result;
+}
+
+std::vector<u16> ServerActiveObjectMap::getObjectsTouchingBox(const aabb3f &box)
+{
+ std::vector<u16> result;
+ auto nearby = getObjectsNearBox(calcBox(box));
+ for (auto &id : nearby) {
+ ServerActiveObject *obj = getObject(id);
+ aabb3f cb;
+ if (!obj->getCollisionBox(&cb))
+ continue;
+ if (!box.intersectsWithBox(cb))
+ continue;
+ result.push_back(id);
+ }
+ return result;
+}
+
+std::unordered_set<u16> ServerActiveObjectMap::getObjectsNearBox(const aabb3s16 &box)
+{
+ std::unordered_set<u16> result;
+ v3s16 p;
+ for (p.Z = box.MinEdge.Z; p.Z <= box.MaxEdge.Z; p.Z++)
+ for (p.Y = box.MinEdge.Y; p.Y <= box.MaxEdge.Y; p.Y++)
+ for (p.X = box.MinEdge.X; p.X <= box.MaxEdge.X; p.X++) {
+ auto bounds = refmap.equal_range(p);
+ for (auto iter = bounds.first; iter != bounds.second; ++iter)
+ result.insert(iter->second);
+ }
+ return result;
+}
+
+void ServerActiveObjectMap::addObjectRefs(u16 id, const aabb3s16 &box)
+{
+ v3s16 p;
+ for (p.Z = box.MinEdge.Z; p.Z <= box.MaxEdge.Z; p.Z++)
+ for (p.Y = box.MinEdge.Y; p.Y <= box.MaxEdge.Y; p.Y++)
+ for (p.X = box.MinEdge.X; p.X <= box.MaxEdge.X; p.X++)
+ refmap.emplace(p, id);
+}
+
+void ServerActiveObjectMap::removeObjectRefs(u16 id, const aabb3s16 &box)
+{
+ v3s16 p;
+ for (p.Z = box.MinEdge.Z; p.Z <= box.MaxEdge.Z; p.Z++)
+ for (p.Y = box.MinEdge.Y; p.Y <= box.MaxEdge.Y; p.Y++)
+ for (p.X = box.MinEdge.X; p.X <= box.MaxEdge.X; p.X++) {
+ auto bounds = refmap.equal_range(p);
+ for (auto iter = bounds.first; iter != bounds.second;)
+ if (iter->second == id)
+ refmap.erase(iter++);
+ else
+ ++iter;
+ }
+}
+
+bool ServerActiveObjectMap::isFreeId(u16 id)
+{
+ if (id == 0)
+ return false;
+ return objects.find(id) == objects.end();
+}
+
+u16 ServerActiveObjectMap::getFreeId()
+{
+ // try to reuse id's as late as possible
+ static u16 last_used_id = 0;
+ u16 startid = last_used_id;
+ for (;;) {
+ last_used_id++;
+ if (isFreeId(last_used_id))
+ return last_used_id;
+ if (last_used_id == startid) // wrapped around
+ return 0;
+ }
+}
diff --git a/src/server/serveractiveobjectmap.h b/src/server/serveractiveobjectmap.h
new file mode 100644
index 000000000..53ac95e27
--- /dev/null
+++ b/src/server/serveractiveobjectmap.h
@@ -0,0 +1,143 @@
+/*
+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;
+ 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.
+ * @note Objects with base position outside of the collision box may not
+ * be returned.
+ * @note Objects without valid collision box are not returned.
+ */
+ 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 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;
+};
diff --git a/src/serverenvironment.cpp b/src/serverenvironment.cpp
index 74b44c730..06cfa5839 100644
--- a/src/serverenvironment.cpp
+++ b/src/serverenvironment.cpp
@@ -996,14 +996,7 @@ bool ServerEnvironment::swapNode(v3s16 p, const MapNode &n)
void ServerEnvironment::getObjectsInsideRadius(std::vector<u16> &objects, v3f pos,
float radius)
{
- for (auto &activeObject : m_active_objects) {
- ServerActiveObject* obj = activeObject.second;
- u16 id = activeObject.first;
- v3f objectpos = obj->getBasePosition();
- if (objectpos.getDistanceFrom(pos) > radius)
- continue;
- objects.push_back(id);
- }
+ objects = m_active_objects.getObjectsInsideRadius(pos, radius);
}
void ServerEnvironment::clearObjects(ClearObjectsMode mode)
@@ -1011,9 +1004,9 @@ void ServerEnvironment::clearObjects(ClearObjectsMode mode)
infostream << "ServerEnvironment::clearObjects(): "
<< "Removing all active objects" << std::endl;
std::vector<u16> objects_to_remove;
- for (auto &it : m_active_objects) {
+ for (auto &it : m_active_objects.getObjects()) {
u16 id = it.first;
- ServerActiveObject* obj = it.second;
+ ServerActiveObject* obj = it.second.object;
if (obj->getType() == ACTIVEOBJECT_TYPE_PLAYER)
continue;
@@ -1040,7 +1033,7 @@ void ServerEnvironment::clearObjects(ClearObjectsMode mode)
// Remove references from m_active_objects
for (u16 i : objects_to_remove) {
- m_active_objects.erase(i);
+ m_active_objects.removeObject(i);
}
// Get list of loaded blocks
@@ -1338,8 +1331,8 @@ void ServerEnvironment::step(float dtime)
send_recommended = true;
}
- for (auto &ao_it : m_active_objects) {
- ServerActiveObject* obj = ao_it.second;
+ for (auto &ao_it : m_active_objects.getObjects()) {
+ ServerActiveObject* obj = ao_it.second.object;
if (obj->isGone())
continue;
@@ -1425,40 +1418,7 @@ void ServerEnvironment::deleteParticleSpawner(u32 id, bool remove_from_object)
ServerActiveObject* ServerEnvironment::getActiveObject(u16 id)
{
- ServerActiveObjectMap::const_iterator n = m_active_objects.find(id);
- return (n != m_active_objects.end() ? n->second : NULL);
-}
-
-/**
- * Verify if id is a free active object id
- * @param id
- * @return true if slot is free
- */
-bool ServerEnvironment::isFreeServerActiveObjectId(u16 id) const
-{
- if (id == 0)
- return false;
-
- return m_active_objects.find(id) == m_active_objects.end();
-}
-
-/**
- * Retrieve the first free ActiveObject ID
- * @return free activeobject ID or 0 if none was found
- */
-u16 ServerEnvironment::getFreeServerActiveObjectId()
-{
- // try to reuse id's as late as possible
- static u16 last_used_id = 0;
- u16 startid = last_used_id;
- for (;;) {
- last_used_id++;
- if (isFreeServerActiveObjectId(last_used_id))
- return last_used_id;
-
- if (last_used_id == startid)
- return 0;
- }
+ return m_active_objects.getObject(id);
}
u16 ServerEnvironment::addActiveObject(ServerActiveObject *object)
@@ -1469,6 +1429,12 @@ u16 ServerEnvironment::addActiveObject(ServerActiveObject *object)
return id;
}
+void ServerEnvironment::updateActiveObject(ServerActiveObject *object)
+{
+ assert(object);
+ m_active_objects.updateObject(object);
+}
+
/*
Finds out what new objects have been added to
inside a radius around a position
@@ -1490,11 +1456,11 @@ void ServerEnvironment::getAddedActiveObjects(PlayerSAO *playersao, s16 radius,
- discard objects that are found in current_objects.
- add remaining objects to added_objects
*/
- for (auto &ao_it : m_active_objects) {
+ for (auto &ao_it : m_active_objects.getObjects()) {
u16 id = ao_it.first;
// Get object
- ServerActiveObject *object = ao_it.second;
+ ServerActiveObject *object = ao_it.second.object;
if (object == NULL)
continue;
@@ -1578,16 +1544,14 @@ void ServerEnvironment::setStaticForActiveObjectsInBlock(
for (auto &so_it : block->m_static_objects.m_active) {
// Get the ServerActiveObject counterpart to this StaticObject
- ServerActiveObjectMap::const_iterator ao_it = m_active_objects.find(so_it.first);
- if (ao_it == m_active_objects.end()) {
+ ServerActiveObject *sao = m_active_objects.getObject(so_it.first);
+ if (!sao) {
// If this ever happens, there must be some kind of nasty bug.
errorstream << "ServerEnvironment::setStaticForObjectsInBlock(): "
"Object from MapBlock::m_static_objects::m_active not found "
"in m_active_objects";
continue;
}
-
- ServerActiveObject *sao = ao_it->second;
sao->m_static_exists = static_exists;
sao->m_static_block = static_block;
}
@@ -1644,7 +1608,7 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
{
assert(object); // Pre-condition
if(object->getId() == 0){
- u16 new_id = getFreeServerActiveObjectId();
+ u16 new_id = m_active_objects.getFreeId();
if(new_id == 0)
{
errorstream<<"ServerEnvironment::addActiveObjectRaw(): "
@@ -1660,7 +1624,7 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
<<"supplied with id "<<object->getId()<<std::endl;
}
- if(!isFreeServerActiveObjectId(object->getId())) {
+ if (!m_active_objects.isFreeId(object->getId())) {
errorstream<<"ServerEnvironment::addActiveObjectRaw(): "
<<"id is not free ("<<object->getId()<<")"<<std::endl;
if(object->environmentDeletes())
@@ -1681,7 +1645,7 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
/*infostream<<"ServerEnvironment::addActiveObjectRaw(): "
<<"added (id="<<object->getId()<<")"<<std::endl;*/
- m_active_objects[object->getId()] = object;
+ m_active_objects.addObject(object);
verbosestream<<"ServerEnvironment::addActiveObjectRaw(): "
<<"Added id="<<object->getId()<<"; there are now "
@@ -1727,9 +1691,9 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
void ServerEnvironment::removeRemovedObjects()
{
std::vector<u16> objects_to_remove;
- for (auto &ao_it : m_active_objects) {
+ for (auto &ao_it : m_active_objects.getObjects()) {
u16 id = ao_it.first;
- ServerActiveObject* obj = ao_it.second;
+ ServerActiveObject* obj = ao_it.second.object;
// This shouldn't happen but check it
if (!obj) {
@@ -1794,7 +1758,7 @@ void ServerEnvironment::removeRemovedObjects()
}
// Remove references from m_active_objects
for (u16 i : objects_to_remove) {
- m_active_objects.erase(i);
+ m_active_objects.removeObject(i);
}
}
@@ -1916,11 +1880,11 @@ void ServerEnvironment::activateObjects(MapBlock *block, u32 dtime_s)
void ServerEnvironment::deactivateFarObjects(bool _force_delete)
{
std::vector<u16> objects_to_remove;
- for (auto &ao_it : m_active_objects) {
+ for (auto &ao_it : m_active_objects.getObjects()) {
// force_delete might be overriden per object
bool force_delete = _force_delete;
- ServerActiveObject* obj = ao_it.second;
+ ServerActiveObject* obj = ao_it.second.object;
assert(obj);
// Do not deactivate if static data creation not allowed
@@ -2051,7 +2015,7 @@ void ServerEnvironment::deactivateFarObjects(bool _force_delete)
// Remove references from m_active_objects
for (u16 i : objects_to_remove) {
- m_active_objects.erase(i);
+ m_active_objects.removeObject(i);
}
}
diff --git a/src/serverenvironment.h b/src/serverenvironment.h
index 225f788d9..05a68cb30 100644
--- a/src/serverenvironment.h
+++ b/src/serverenvironment.h
@@ -22,6 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "activeobject.h"
#include "environment.h"
#include "mapnode.h"
+#include "server/serveractiveobjectmap.h"
#include "settings.h"
#include "util/numeric.h"
#include <set>
@@ -193,8 +194,6 @@ enum ClearObjectsMode {
This is not thread-safe. Server uses an environment mutex.
*/
-typedef std::unordered_map<u16, ServerActiveObject *> ServerActiveObjectMap;
-
class ServerEnvironment : public Environment
{
public:
@@ -254,18 +253,7 @@ public:
*/
u16 addActiveObject(ServerActiveObject *object);
- /**
- * Verify if id is a free active object id
- * @param id
- * @return true if slot is free
- */
- bool isFreeServerActiveObjectId(u16 id) const;
-
- /**
- * Retrieve the first free ActiveObject ID
- * @return free activeobject ID or 0 if none was found
- */
- u16 getFreeServerActiveObjectId();
+ void updateActiveObject(ServerActiveObject *object);
/*
Add an active object as a static object to the corresponding
diff --git a/src/unittest/CMakeLists.txt b/src/unittest/CMakeLists.txt
index 733eabae3..768959e5e 100644
--- a/src/unittest/CMakeLists.txt
+++ b/src/unittest/CMakeLists.txt
@@ -22,6 +22,7 @@ set (UNITTEST_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/test_serialization.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_settings.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_socket.cpp
+ ${CMAKE_CURRENT_SOURCE_DIR}/test_serveractiveobjectmap.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_servermodmanager.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_threading.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_utilities.cpp
diff --git a/src/unittest/test.h b/src/unittest/test.h
index 1102f6d33..a6cd03ed2 100644
--- a/src/unittest/test.h
+++ b/src/unittest/test.h
@@ -99,6 +99,10 @@ class TestFailedException : public std::exception {
UASSERT(exception_thrown); \
}
+#define CONCAT_IMPL(x,y) x##y
+#define CONCAT(x,y) CONCAT_IMPL(x, y)
+#define NEWNAME(prefix) CONCAT(prefix, __COUNTER__)
+
class IGameDef;
class TestBase {
diff --git a/src/unittest/test_serveractiveobjectmap.cpp b/src/unittest/test_serveractiveobjectmap.cpp
new file mode 100644
index 000000000..42c879229
--- /dev/null
+++ b/src/unittest/test_serveractiveobjectmap.cpp
@@ -0,0 +1,214 @@
+/*
+Minetest
+Copyright (C) 2018 nerzhul, Loic BLOT <loic.blot@unix-experience.fr>
+
+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.
+*/
+
+#include "test.h"
+
+#include "server/serveractiveobjectmap.h"
+#include "content_sao.h"
+
+class TestServerActiveObjectMap : public TestBase
+{
+public:
+ TestServerActiveObjectMap() { TestManager::registerTestModule(this); }
+ const char *getName() { return "TestServerActiveObjectMap"; }
+
+ void runTests(IGameDef *gamedef);
+
+ void testAddObject();
+ void testRemoveObject();
+ void testUpdateObject();
+ void testGetObject();
+ void testIsFreeID();
+ void testGetFreeID();
+ void testGetObjectsInsideRadius();
+ void testGetObjectsTouchingBox();
+};
+
+static TestServerActiveObjectMap g_test_instance;
+
+void TestServerActiveObjectMap::runTests(IGameDef *gamedef)
+{
+ TEST(testAddObject);
+ TEST(testRemoveObject);
+ TEST(testUpdateObject);
+ TEST(testGetObject);
+ TEST(testIsFreeID);
+ TEST(testGetFreeID);
+ TEST(testGetObjectsInsideRadius);
+ TEST(testGetObjectsTouchingBox);
+}
+
+void TestServerActiveObjectMap::testAddObject()
+{
+ ServerActiveObjectMap saom;
+ UASSERT(saom.getObjects().empty());
+
+ LuaEntitySAO ob1(nullptr, v3f(0, 0, 0), "", "");
+ ob1.setId(saom.getFreeId());
+ saom.addObject(&ob1);
+
+ UASSERT(saom.getObjects().size() == 1);
+ bool found = false;
+ for (const auto &pair : saom.getObjects()) {
+ UASSERT(pair.second.object == &ob1);
+ found = true;
+ }
+ UASSERT(found);
+}
+
+void TestServerActiveObjectMap::testRemoveObject()
+{
+ ServerActiveObjectMap saom;
+ UASSERT(saom.getObjects().empty());
+
+ LuaEntitySAO ob1(nullptr, v3f(0, 0, 0), "", "");
+ ob1.setId(saom.getFreeId());
+ saom.addObject(&ob1);
+
+ UASSERT(saom.getObjects().size() == 1);
+ bool found = false;
+ for (const auto &pair : saom.getObjects()) {
+ UASSERT(pair.second.object == &ob1);
+ found = true;
+ }
+ UASSERT(found);
+
+ saom.removeObject(&ob1);
+}
+
+void TestServerActiveObjectMap::testUpdateObject()
+{
+ ServerActiveObjectMap saom;
+ LuaEntitySAO ob1(nullptr, v3f(1, 0, 0), "", "");
+ ob1.accessObjectProperties()->physical = true;
+ ob1.setId(saom.getFreeId());
+ saom.addObject(&ob1);
+ UASSERT(saom.getObjectsInsideRadius(v3f(0, 0, 0), 2).size() == 1);
+ UASSERT(saom.getObjectsInsideRadius(v3f(6, 0, 0), 2).size() == 0);
+ ob1.setBasePosition(v3f(5, 0, 0));
+ saom.updateObject(&ob1);
+ UASSERT(saom.getObjectsInsideRadius(v3f(0, 0, 0), 2).size() == 0);
+ UASSERT(saom.getObjectsInsideRadius(v3f(6, 0, 0), 2).size() == 1);
+}
+
+void TestServerActiveObjectMap::testGetObject()
+{
+ ServerActiveObjectMap saom;
+ LuaEntitySAO ob1(nullptr, v3f(0, 0, 0), "", "");
+ u16 id = saom.getFreeId();
+ ob1.setId(id);
+ saom.addObject(&ob1);
+ UASSERT(saom.getObject(0) == nullptr);
+ UASSERT(saom.getObject(id) == &ob1);
+ UASSERT(saom.getObject(id + 1) == nullptr);
+}
+
+void TestServerActiveObjectMap::testIsFreeID()
+{
+ ServerActiveObjectMap saom;
+ UASSERT(!saom.isFreeId(0));
+ UASSERT(saom.isFreeId(1));
+ UASSERT(saom.isFreeId(2));
+}
+
+void TestServerActiveObjectMap::testGetFreeID()
+{
+ ServerActiveObjectMap saom;
+ u16 first_id = saom.getFreeId();
+ UASSERT(first_id > 0);
+ UASSERT(saom.getFreeId() > first_id);
+}
+
+void TestServerActiveObjectMap::testGetObjectsInsideRadius()
+{
+ ServerActiveObjectMap saom;
+#define ADD_OBJECT_IMPL(name, pos) \
+ LuaEntitySAO name(nullptr, pos, "", ""); \
+ name.accessObjectProperties()->physical = true; \
+ name.setId(saom.getFreeId()); \
+ saom.addObject(&name)
+#define ADD_OBJECT(pos) ADD_OBJECT_IMPL(NEWNAME(ob), pos)
+#define OBJECT_COUNT (saom.getObjectsInsideRadius(v3f(0, 0, 0), 5).size())
+
+ UASSERT(OBJECT_COUNT == 0);
+
+ ADD_OBJECT(v3f(0, 0, 0));
+ UASSERT(OBJECT_COUNT == 1);
+
+ ADD_OBJECT(v3f(-1, -1, -1));
+ UASSERT(OBJECT_COUNT == 2);
+
+ ADD_OBJECT(v3f(4.9, 0, 0));
+ UASSERT(OBJECT_COUNT == 3);
+
+ ADD_OBJECT(v3f(5.1, 0, 0));
+ UASSERT(OBJECT_COUNT == 3);
+
+ ADD_OBJECT(v3f(3, 3, 3));
+ UASSERT(OBJECT_COUNT == 3);
+}
+
+void TestServerActiveObjectMap::testGetObjectsTouchingBox()
+{
+ ServerActiveObjectMap saom;
+
+ LuaEntitySAO ob1(nullptr, v3f(1 * BS, 0, 0), "", "");
+ ob1.accessObjectProperties()->physical = true;
+ // Collision boxes are in nodes, not in world units:
+ ob1.accessObjectProperties()->collisionbox = {-1, -1, -1, 1, 1, 1};
+ ob1.setId(saom.getFreeId());
+ saom.addObject(&ob1);
+
+ LuaEntitySAO ob2(nullptr, v3f(1.5 * BS, 2.5 * BS, 0), "", "");
+ ob2.accessObjectProperties()->physical = true;
+ ob2.accessObjectProperties()->collisionbox = {-0.5, -0.5, -1, 3.5, 2, 1};
+ ob2.setId(saom.getFreeId());
+ saom.addObject(&ob2);
+
+ std::vector<u16> list;
+
+ list = saom.getObjectsTouchingBox(
+ {2.1 * BS, -1.0 * BS, -1.0 * BS, 2.5 * BS, 1.0 * BS, 1.0 * BS});
+ UASSERT(list.size() == 0);
+
+ // intersecting ob1
+ list = saom.getObjectsTouchingBox(
+ {1.9 * BS, -1.0 * BS, -1.0 * BS, 2.5 * BS, 1.0 * BS, 1.0 * BS});
+ UASSERT(list.size() == 1 && list[0] == ob1.getId());
+
+ // intersecting ob2
+ list = saom.getObjectsTouchingBox(
+ {2.1 * BS, -1.0 * BS, -1.0 * BS, 2.5 * BS, 2.1 * BS, 1.0 * BS});
+ UASSERT(list.size() == 1 && list[0] == ob2.getId());
+
+ // contained in ob1
+ list = saom.getObjectsTouchingBox(
+ {1.5 * BS, -0.1 * BS, -0.1 * BS, 1.9 * BS, 0.1 * BS, 0.1 * BS});
+ UASSERT(list.size() == 1 && list[0] == ob1.getId());
+
+ // contains ob2
+ list = saom.getObjectsTouchingBox(
+ {0.9 * BS, 1.5 * BS, -5.0 * BS, 6.0 * BS, 20.0 * BS, 500.0 * BS});
+ UASSERT(list.size() == 1 && list[0] == ob2.getId());
+
+ // intersecting both
+ list = saom.getObjectsTouchingBox(
+ {1.9 * BS, -1.0 * BS, -1.0 * BS, 2.5 * BS, 2.1 * BS, 1.0 * BS});
+ UASSERT(list.size() == 2);
+}
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