mirror of
https://github.com/worldforge/cyphesis
synced 2026-08-13 12:26:04 -04:00
e85f0831b2
Classes under "rulesets" have been moved to "rules", and split up into futher subdirectories matching their library. As a result we can now better separate the python bindings, so that things that belongs to the simulation are separeted from things that belongs to the ai.
284 lines
9.6 KiB
C++
284 lines
9.6 KiB
C++
#include <utility>
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// Cyphesis Online RPG Server and AI Engine
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// Copyright (C) 2000-2005 Alistair Riddoch
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software Foundation,
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// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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#include "World.h"
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#include "rules/simulation/CalendarProperty.h"
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#include "rules/AtlasProperties.h"
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#include "rules/Domain.h"
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#include "rules/simulation/BaseWorld.h"
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#include "common/debug.h"
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#include "common/TypeNode.h"
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#include "common/custom.h"
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#include "common/operations/Eat.h"
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#include "common/operations/Nourish.h"
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#include "WorldTimeProperty.h"
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#include <Atlas/Objects/Operation.h>
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#include <Atlas/Objects/Anonymous.h>
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#include <common/operations/Relay.h>
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static const bool debug_flag = false;
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using Atlas::Message::Element;
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using Atlas::Message::ListType;
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using Atlas::Message::FloatType;
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using Atlas::Objects::Root;
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using Atlas::Objects::Operation::Create;
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using Atlas::Objects::Operation::Sight;
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using Atlas::Objects::Operation::Nourish;
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using Atlas::Objects::Operation::Delete;
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using Atlas::Objects::Entity::RootEntity;
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using Atlas::Objects::Entity::Anonymous;
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using Atlas::Objects::smart_dynamic_cast;
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typedef enum { ROCK = 0, SAND = 1, GRASS = 2, SILT = 3, SNOW = 4} Surface;
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/// \brief Constructor for the World entity
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World::World(const std::string & id, long intId) : Thing(id, intId), m_serialNumber(0)
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{
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auto calProp = new CalendarProperty();
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calProp->install(this, "calendar");
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m_properties["calendar"] = calProp;
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auto worldTimeProp = new WorldTimeProperty();
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worldTimeProp->install(this, "time");
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m_properties["time"] = worldTimeProp;
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}
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World::~World() = default;
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void World::LookOperation(const Operation & op, OpVector & res)
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{
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// We must be the top level entity
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assert(m_location.m_parent == nullptr);
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// We must contains something, or where the hell did the look come from?
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assert(m_contains != nullptr);
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//The top level entity is a little special, since its properties can be inspected by all entities, although it's children can not.
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//First check if there's a movement domain. If so we'll handle Look ops just like usually. However, if not we'll send the properties sans the "contains" property.
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auto from = BaseWorld::instance().getEntity(op->getFrom());
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if (!from) {
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log(ERROR, String::compose("Look op has invalid from %1. %2", op->getFrom(), describeEntity()));
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return;
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}
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Domain* domain = nullptr;
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if (m_location.m_parent) {
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domain = m_location.m_parent->getDomain();
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}
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if (domain) {
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generateSightOp(*from, op, res);
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} else {
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Sight s;
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Anonymous sarg;
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addToEntity(sarg);
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//Hide all contents of the root entity.
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sarg->removeAttr("contains");
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s->setArgs1(sarg);
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s->setTo(op->getFrom());
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res.push_back(s);
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}
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}
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void World::MoveOperation(const Operation & op, OpVector & res)
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{
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assert(m_location.m_parent == nullptr);
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// Can't move the world.
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}
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void World::DeleteOperation(const Operation & op, OpVector & res)
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{
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//A delete operation with an argument sent to the world indicates that an
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//entity should be deleted forcefully (whereas a Delete operation sent to
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//an entity directly, which is the norm, always can be overridden by the entity).
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auto& args = op->getArgs();
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if (!args.empty()) {
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auto arg = args.front();
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if (!arg->isDefaultId()) {
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auto entity = BaseWorld::instance().getEntity(arg->getId());
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if (entity) {
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if (entity == this) {
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Atlas::Message::Element force;
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if (arg->copyAttr("force", force) == 0 && force.isInt() && force.asInt() == 1) {
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clearWorld(res);
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} else {
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log(ERROR, "World::DeleteOperation cannot delete world unless 'force' flag is set.");
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}
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} else {
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BaseWorld::instance().delEntity(entity.get());
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}
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} else {
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log(NOTICE, String::compose("Tried to delete non existent entity with id %1", arg->getId()));
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}
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} else {
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log(ERROR, "World::DeleteOperation got delete op with arg but no id.");
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}
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} else {
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assert(m_location.m_parent == nullptr);
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// Deleting has no effect.
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}
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}
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void World::clearWorld(OpVector & res) {
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log(INFO, "Clearing world; deleting all entities.");
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OpVector ignoredRes;
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auto& baseWorld = BaseWorld::instance();
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if (m_contains) {
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while (!m_contains->empty()) {
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auto& entity = *m_contains->begin();
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if (entity->isPerceptive()) {
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//Send a sight of a delete op to the entity so that it knows it has been deleted.
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Delete delOp;
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delOp->setTo(entity->getId());
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Anonymous delArg;
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delArg->setId(entity->getId());
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delOp->setArgs1(delArg);
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Sight sToEntity;
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sToEntity->setArgs1(delOp);
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sToEntity->setTo(entity->getId());
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entity->operation(sToEntity, ignoredRes);
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}
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baseWorld.delEntity(entity.get());
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}
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}
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//Remove all properties except for "id"
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auto propIter = m_properties.begin();
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while(propIter != m_properties.end())
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{
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if (propIter->first != "id") {
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auto prop = propIter->second;
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prop->remove(this, propIter->first);
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delete prop;
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m_properties.erase(propIter++);
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} else {
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++propIter;
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}
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}
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CalendarProperty* calProp = new CalendarProperty();
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calProp->install(this, "calendar");
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m_properties["calendar"] = calProp;
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delete m_contains;
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m_contains = nullptr;
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log(INFO, "World cleared of all entities.");
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}
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void World::RelayOperation(const Operation & op, OpVector & res)
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{
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//A Relay operation with refno sent to ourselves signals that we should prune
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//our registered relays in m_relays. This is a feature to allow for a timeout; if
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//no Relay has been received from the destination Entity after a certain period
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//we'll shut down the relay link.
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if (op->getTo() == getId() && op->getFrom() == getId() && !op->isDefaultRefno()) {
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auto I = m_relays.find(op->getRefno());
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if (I != m_relays.end()) {
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//Send an empty operation to signal that the relay has expired.
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I->second.callback(Operation(), I->second.entityId);
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m_relays.erase(I);
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}
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} else {
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if (op->getArgs().empty()) {
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log(ERROR, "World::RelayOperation no args.");
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return;
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}
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Operation relayedOp = Atlas::Objects::smart_dynamic_cast<Operation>(
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op->getArgs().front());
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if (!relayedOp.isValid()) {
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log(ERROR,
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"World::RelayOperation first arg is not an operation.");
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return;
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}
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//If a relay op has a refno, it's a response to a Relay op previously sent out to another
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//entity, and we should signal that we have an incoming relayed op.
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if (!op->isDefaultRefno()) {
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//Note that the relayed op should be considered untrusted in this case, as it has originated
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//from a random entity or its mind.
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auto I = m_relays.find(op->getRefno());
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if (I == m_relays.end()) {
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log(WARNING,
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"World::RelayOperation could not find registrered Relay with refno.");
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return;
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}
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//Make sure that this op really comes from the entity the original Relay op was sent to.
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if (op->getFrom() != I->second.entityId) {
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log(WARNING,
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"World::RelayOperation got relay op with mismatching 'from'.");
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return;
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}
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//Get the relayed operation and call the callback.
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I->second.callback(relayedOp, I->second.entityId);
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m_relays.erase(I);
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} else {
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//Send it on to the basic Entity relay mechanism
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Entity::RelayOperation(op, res);
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}
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}
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}
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void World::sendRelayToEntity(const LocatedEntity& to, const Operation& op, sigc::slot<void, const Operation&, const std::string&> callback)
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{
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//Make the op appear to come from the destination entity.
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op->setFrom(to.getId());
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long int serialNo = ++m_serialNumber;
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Atlas::Objects::Operation::Relay relayOp;
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relayOp->setTo(to.getId());
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relayOp->setSerialno(serialNo);
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relayOp->setArgs1(op);
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Relay relay;
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relay.entityId = to.getId();
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relay.callback = std::move(callback);
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m_relays.insert(std::make_pair(serialNo, relay));
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sendWorld(relayOp);
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//Also send a future Relay op to ourselves to make sure that the registered relay in m_relays
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//is removed in the case that we don't get any response.
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Atlas::Objects::Operation::Relay pruneOp;
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pruneOp->setTo(getId());
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pruneOp->setFrom(getId());
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pruneOp->setRefno(serialNo);
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pruneOp->setFutureSeconds(5);
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sendWorld(pruneOp);
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}
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