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Revert 6587 - Optimize entity-entity collision (#7539)

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This commit is contained in:
lhofhansl 2018-07-08 13:30:55 -07:00 committed by Paramat
parent 334d8c31ee
commit 94cd2bfeac
13 changed files with 80 additions and 634 deletions
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1
build/android/jni/Android.mk
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@ -224,7 +224,6 @@ LOCAL_SRC_FILES := \
jni/src/rollback_interface.cpp \ jni/src/rollback_interface.cpp \
jni/src/serialization.cpp \ jni/src/serialization.cpp \
jni/src/server/mods.cpp \ jni/src/server/mods.cpp \
jni/src/server/serveractiveobjectmap.cpp \
jni/src/server.cpp \ jni/src/server.cpp \
jni/src/serverenvironment.cpp \ jni/src/serverenvironment.cpp \
jni/src/serverlist.cpp \ jni/src/serverlist.cpp \

6
src/content_sao.cpp
View File

@ -287,7 +287,6 @@ ObjectProperties* UnitSAO::accessObjectProperties()
void UnitSAO::notifyObjectPropertiesModified() void UnitSAO::notifyObjectPropertiesModified()
{ {
m_env->updateActiveObject(this);
m_properties_sent = false; m_properties_sent = false;
} }
@ -334,8 +333,6 @@ void LuaEntitySAO::addedToEnvironment(u32 dtime_s)
// Get properties // Get properties
m_env->getScriptIface()-> m_env->getScriptIface()->
luaentity_GetProperties(m_id, &m_prop); luaentity_GetProperties(m_id, &m_prop);
// Notify the environment of the new properties
m_env->updateActiveObject(this);
// Initialize HP from properties // Initialize HP from properties
m_hp = m_prop.hp_max; m_hp = m_prop.hp_max;
// Activate entity, supplying serialized state // Activate entity, supplying serialized state
@ -669,7 +666,6 @@ void LuaEntitySAO::setPos(const v3f &pos)
if(isAttached()) if(isAttached())
return; return;
m_base_position = pos; m_base_position = pos;
m_env->updateActiveObject(this);
sendPosition(false, true); sendPosition(false, true);
} }
@ -678,7 +674,6 @@ void LuaEntitySAO::moveTo(v3f pos, bool continuous)
if(isAttached()) if(isAttached())
return; return;
m_base_position = pos; m_base_position = pos;
m_env->updateActiveObject(this);
if(!continuous) if(!continuous)
sendPosition(true, true); sendPosition(true, true);
} }
@ -1169,7 +1164,6 @@ void PlayerSAO::setBasePosition(const v3f &position)
// Updating is not wanted/required for player migration // Updating is not wanted/required for player migration
if (m_env) { if (m_env) {
m_env->updateActiveObject(this);
m_position_not_sent = true; m_position_not_sent = true;
} }
} }

2
src/irr_aabb3d.h
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@ -24,5 +24,3 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include <aabbox3d.h> #include <aabbox3d.h>
typedef core::aabbox3d<f32> aabb3f; typedef core::aabbox3d<f32> aabb3f;
typedef core::aabbox3d<s16> aabb3s16;
typedef core::aabbox3d<s32> aabb3s32;

20
src/irr_v3d.h
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@ -18,29 +18,13 @@ with this program; if not, write to the Free Software Foundation, Inc.,
*/ */
#pragma once #pragma once
#include "irrlichttypes.h" #include "irrlichttypes.h"
#include <vector3d.h> #include <vector3d.h>
#include <functional>
typedef core::vector3df v3f; typedef core::vector3df v3f;
typedef core::vector3d<double> v3d; typedef core::vector3d<double> v3d;
typedef core::vector3d<s16> v3s16; typedef core::vector3d<s16> v3s16;
typedef core::vector3d<u16> v3u16; typedef core::vector3d<u16> v3u16;
typedef core::vector3d<s32> v3s32; 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
}
};
}

1
src/server/CMakeLists.txt
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@ -1,4 +1,3 @@
set(server_SRCS set(server_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/mods.cpp ${CMAKE_CURRENT_SOURCE_DIR}/mods.cpp
${CMAKE_CURRENT_SOURCE_DIR}/serveractiveobjectmap.cpp
PARENT_SCOPE) PARENT_SCOPE)

215
src/server/serveractiveobjectmap.cpp
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@ -1,215 +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.
*/
#include "serveractiveobjectmap.h"
#include <cmath>
#include "constants.h"
#include "log.h"
#include "serverobject.h"
static constexpr float granularity = 16.0 * BS;
static v3s16 getChunkPos(const v3f &pos)
{
return v3s16(
std::floor(pos.X / granularity),
std::floor(pos.Y / granularity),
std::floor(pos.Z / granularity));
}
static aabb3s16 calcBox(const aabb3f &cb)
{
return { getChunkPos(cb.MinEdge), getChunkPos(cb.MaxEdge) };
}
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);
w.pos = getChunkPos(w.object->getBasePosition());
if (w.has_box) {
w.box = calcBox(cb);
addObjectRefs(id, w.box);
}
addObjectRef(id, w.pos);
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);
removeObjectRef(id, w.pos);
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;
v3s16 pos = getChunkPos(w.object->getBasePosition());
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 && pos == w.pos)
return;
if (w.has_box)
removeObjectRefs(id, w.box);
removeObjectRef(id, w.pos);
w.box = box;
w.has_box = has_box;
if (w.has_box)
addObjectRefs(id, w.box);
addObjectRef(id, w.pos);
}
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::addObjectRef(u16 id, v3s16 pos)
{
refmap.emplace(pos, id);
}
void ServerActiveObjectMap::removeObjectRef(u16 id, v3s16 pos)
{
auto bounds = refmap.equal_range(pos);
for (auto iter = bounds.first; iter != bounds.second;) {
if (iter->second == id)
iter = refmap.erase(iter);
else
++iter;
}
}
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++)
addObjectRef(id, p);
}
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++)
removeObjectRef(id, p);
}
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;
}
}

143
src/server/serveractiveobjectmap.h
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@ -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;
};

88
src/serverenvironment.cpp
View File

@ -1005,7 +1005,14 @@ bool ServerEnvironment::swapNode(v3s16 p, const MapNode &n)
void ServerEnvironment::getObjectsInsideRadius(std::vector<u16> &objects, v3f pos, void ServerEnvironment::getObjectsInsideRadius(std::vector<u16> &objects, v3f pos,
float radius) float radius)
{ {
objects = m_active_objects.getObjectsInsideRadius(pos, 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);
}
} }
void ServerEnvironment::clearObjects(ClearObjectsMode mode) void ServerEnvironment::clearObjects(ClearObjectsMode mode)
@ -1013,9 +1020,9 @@ void ServerEnvironment::clearObjects(ClearObjectsMode mode)
infostream << "ServerEnvironment::clearObjects(): " infostream << "ServerEnvironment::clearObjects(): "
<< "Removing all active objects" << std::endl; << "Removing all active objects" << std::endl;
std::vector<u16> objects_to_remove; std::vector<u16> objects_to_remove;
for (auto &it : m_active_objects.getObjects()) { for (auto &it : m_active_objects) {
u16 id = it.first; u16 id = it.first;
ServerActiveObject* obj = it.second.object; ServerActiveObject* obj = it.second;
if (obj->getType() == ACTIVEOBJECT_TYPE_PLAYER) if (obj->getType() == ACTIVEOBJECT_TYPE_PLAYER)
continue; continue;
@ -1042,7 +1049,7 @@ void ServerEnvironment::clearObjects(ClearObjectsMode mode)
// Remove references from m_active_objects // Remove references from m_active_objects
for (u16 i : objects_to_remove) { for (u16 i : objects_to_remove) {
m_active_objects.removeObject(i); m_active_objects.erase(i);
} }
// Get list of loaded blocks // Get list of loaded blocks
@ -1340,8 +1347,8 @@ void ServerEnvironment::step(float dtime)
send_recommended = true; send_recommended = true;
} }
for (auto &ao_it : m_active_objects.getObjects()) { for (auto &ao_it : m_active_objects) {
ServerActiveObject* obj = ao_it.second.object; ServerActiveObject* obj = ao_it.second;
if (obj->isGone()) if (obj->isGone())
continue; continue;
@ -1427,7 +1434,40 @@ void ServerEnvironment::deleteParticleSpawner(u32 id, bool remove_from_object)
ServerActiveObject* ServerEnvironment::getActiveObject(u16 id) ServerActiveObject* ServerEnvironment::getActiveObject(u16 id)
{ {
return m_active_objects.getObject(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;
}
} }
u16 ServerEnvironment::addActiveObject(ServerActiveObject *object) u16 ServerEnvironment::addActiveObject(ServerActiveObject *object)
@ -1438,12 +1478,6 @@ u16 ServerEnvironment::addActiveObject(ServerActiveObject *object)
return id; return id;
} }
void ServerEnvironment::updateActiveObject(ServerActiveObject *object)
{
assert(object);
m_active_objects.updateObject(object);
}
/* /*
Finds out what new objects have been added to Finds out what new objects have been added to
inside a radius around a position inside a radius around a position
@ -1465,11 +1499,11 @@ void ServerEnvironment::getAddedActiveObjects(PlayerSAO *playersao, s16 radius,
- discard objects that are found in current_objects. - discard objects that are found in current_objects.
- add remaining objects to added_objects - add remaining objects to added_objects
*/ */
for (auto &ao_it : m_active_objects.getObjects()) { for (auto &ao_it : m_active_objects) {
u16 id = ao_it.first; u16 id = ao_it.first;
// Get object // Get object
ServerActiveObject *object = ao_it.second.object; ServerActiveObject *object = ao_it.second;
if (object == NULL) if (object == NULL)
continue; continue;
@ -1553,14 +1587,16 @@ void ServerEnvironment::setStaticForActiveObjectsInBlock(
for (auto &so_it : block->m_static_objects.m_active) { for (auto &so_it : block->m_static_objects.m_active) {
// Get the ServerActiveObject counterpart to this StaticObject // Get the ServerActiveObject counterpart to this StaticObject
ServerActiveObject *sao = m_active_objects.getObject(so_it.first); ServerActiveObjectMap::const_iterator ao_it = m_active_objects.find(so_it.first);
if (!sao) { if (ao_it == m_active_objects.end()) {
// If this ever happens, there must be some kind of nasty bug. // If this ever happens, there must be some kind of nasty bug.
errorstream << "ServerEnvironment::setStaticForObjectsInBlock(): " errorstream << "ServerEnvironment::setStaticForObjectsInBlock(): "
"Object from MapBlock::m_static_objects::m_active not found " "Object from MapBlock::m_static_objects::m_active not found "
"in m_active_objects"; "in m_active_objects";
continue; continue;
} }
ServerActiveObject *sao = ao_it->second;
sao->m_static_exists = static_exists; sao->m_static_exists = static_exists;
sao->m_static_block = static_block; sao->m_static_block = static_block;
} }
@ -1617,7 +1653,7 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
{ {
assert(object); // Pre-condition assert(object); // Pre-condition
if(object->getId() == 0){ if(object->getId() == 0){
u16 new_id = m_active_objects.getFreeId(); u16 new_id = getFreeServerActiveObjectId();
if(new_id == 0) if(new_id == 0)
{ {
errorstream<<"ServerEnvironment::addActiveObjectRaw(): " errorstream<<"ServerEnvironment::addActiveObjectRaw(): "
@ -1633,7 +1669,7 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
<<"supplied with id "<<object->getId()<<std::endl; <<"supplied with id "<<object->getId()<<std::endl;
} }
if (!m_active_objects.isFreeId(object->getId())) { if(!isFreeServerActiveObjectId(object->getId())) {
errorstream<<"ServerEnvironment::addActiveObjectRaw(): " errorstream<<"ServerEnvironment::addActiveObjectRaw(): "
<<"id is not free ("<<object->getId()<<")"<<std::endl; <<"id is not free ("<<object->getId()<<")"<<std::endl;
if(object->environmentDeletes()) if(object->environmentDeletes())
@ -1654,7 +1690,7 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
/*infostream<<"ServerEnvironment::addActiveObjectRaw(): " /*infostream<<"ServerEnvironment::addActiveObjectRaw(): "
<<"added (id="<<object->getId()<<")"<<std::endl;*/ <<"added (id="<<object->getId()<<")"<<std::endl;*/
m_active_objects.addObject(object); m_active_objects[object->getId()] = object;
verbosestream<<"ServerEnvironment::addActiveObjectRaw(): " verbosestream<<"ServerEnvironment::addActiveObjectRaw(): "
<<"Added id="<<object->getId()<<"; there are now " <<"Added id="<<object->getId()<<"; there are now "
@ -1700,9 +1736,9 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
void ServerEnvironment::removeRemovedObjects() void ServerEnvironment::removeRemovedObjects()
{ {
std::vector<u16> objects_to_remove; std::vector<u16> objects_to_remove;
for (auto &ao_it : m_active_objects.getObjects()) { for (auto &ao_it : m_active_objects) {
u16 id = ao_it.first; u16 id = ao_it.first;
ServerActiveObject* obj = ao_it.second.object; ServerActiveObject* obj = ao_it.second;
// This shouldn't happen but check it // This shouldn't happen but check it
if (!obj) { if (!obj) {
@ -1767,7 +1803,7 @@ void ServerEnvironment::removeRemovedObjects()
} }
// Remove references from m_active_objects // Remove references from m_active_objects
for (u16 i : objects_to_remove) { for (u16 i : objects_to_remove) {
m_active_objects.removeObject(i); m_active_objects.erase(i);
} }
} }
@ -1889,11 +1925,11 @@ void ServerEnvironment::activateObjects(MapBlock *block, u32 dtime_s)
void ServerEnvironment::deactivateFarObjects(bool _force_delete) void ServerEnvironment::deactivateFarObjects(bool _force_delete)
{ {
std::vector<u16> objects_to_remove; std::vector<u16> objects_to_remove;
for (auto &ao_it : m_active_objects.getObjects()) { for (auto &ao_it : m_active_objects) {
// force_delete might be overriden per object // force_delete might be overriden per object
bool force_delete = _force_delete; bool force_delete = _force_delete;
ServerActiveObject* obj = ao_it.second.object; ServerActiveObject* obj = ao_it.second;
assert(obj); assert(obj);
// Do not deactivate if static data creation not allowed // Do not deactivate if static data creation not allowed
@ -2024,7 +2060,7 @@ void ServerEnvironment::deactivateFarObjects(bool _force_delete)
// Remove references from m_active_objects // Remove references from m_active_objects
for (u16 i : objects_to_remove) { for (u16 i : objects_to_remove) {
m_active_objects.removeObject(i); m_active_objects.erase(i);
} }
} }

16
src/serverenvironment.h
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@ -22,7 +22,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "activeobject.h" #include "activeobject.h"
#include "environment.h" #include "environment.h"
#include "mapnode.h" #include "mapnode.h"
#include "server/serveractiveobjectmap.h"
#include "settings.h" #include "settings.h"
#include "util/numeric.h" #include "util/numeric.h"
#include <set> #include <set>
@ -194,6 +193,8 @@ enum ClearObjectsMode {
This is not thread-safe. Server uses an environment mutex. This is not thread-safe. Server uses an environment mutex.
*/ */
typedef std::unordered_map<u16, ServerActiveObject *> ServerActiveObjectMap;
class ServerEnvironment : public Environment class ServerEnvironment : public Environment
{ {
public: public:
@ -253,7 +254,18 @@ public:
*/ */
u16 addActiveObject(ServerActiveObject *object); u16 addActiveObject(ServerActiveObject *object);
void updateActiveObject(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();
/* /*
Add an active object as a static object to the corresponding Add an active object as a static object to the corresponding

1
src/unittest/CMakeLists.txt
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@ -23,7 +23,6 @@ set (UNITTEST_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/test_server_shutdown_state.cpp ${CMAKE_CURRENT_SOURCE_DIR}/test_server_shutdown_state.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_settings.cpp ${CMAKE_CURRENT_SOURCE_DIR}/test_settings.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_socket.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_servermodmanager.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_threading.cpp ${CMAKE_CURRENT_SOURCE_DIR}/test_threading.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_utilities.cpp ${CMAKE_CURRENT_SOURCE_DIR}/test_utilities.cpp

4
src/unittest/test.h
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@ -99,10 +99,6 @@ class TestFailedException : public std::exception {
UASSERT(exception_thrown); \ 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 IGameDef;
class TestBase { class TestBase {

214
src/unittest/test_serveractiveobjectmap.cpp
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@ -1,214 +0,0 @@
/*
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);
}

3
util/travis/clang-format-whitelist.txt
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@ -311,7 +311,8 @@ src/script/scripting_server.cpp
src/script/scripting_server.h src/script/scripting_server.h
src/serialization.cpp src/serialization.cpp
src/serialization.h src/serialization.h
src/server/serveractiveobjectmap.cpp src/serveractiveobjectmap.cpp
src/serveractiveobjectmap.h
src/server.cpp src/server.cpp
src/serverenvironment.cpp src/serverenvironment.cpp
src/serverenvironment.h src/serverenvironment.h