cyphesis/server/WorldRouter.cpp
Al Riddoch 4e1527c238 * all files: Re-worked the way debugging is handled to that it no
longer gives warnings.

Al
2001-01-25  Al Riddoch  <ajr@ecs.soton.ac.uk>
2001-02-04 07:08:07 +00:00

274 lines
8.1 KiB
C++

// This file may be redistributed and modified only under the terms of
// the GNU Lesser General Public License (See COPYING for details).
// Copyright (C) 2000 Alistair Riddoch
#include <Atlas/Message/Object.h>
#include <Atlas/Objects/Root.h>
#include <Atlas/Objects/Operation/Login.h>
#include <Atlas/Objects/Operation/Look.h>
#include "WorldRouter.h"
#include "ServerRouting.h"
#include <rulesets/Thing.h>
#include <rulesets/ThingFactory.h>
#include <common/debug.h>
extern "C" {
#include <stdio.h>
}
using Atlas::Message::Object;
static const bool debug_flag = false;
static int halt_time;
WorldRouter::WorldRouter(ServerRouting * srvr) : server(srvr), next_id(0)
{
fullid = "world_0";
init_time = time(NULL);
update_time();
server->id_dict[fullid]=this;
fobjects[fullid]=this;
perceptives.push_back(this);
objects_list.push_back(this);
halt_time = 60 * 60 * 8;
//WorldTime tmp_date("612-1-1 08:57:00");
//This structure is used to tell libatlas about stuff
//world_info.time.s=tmp_date.seconds();
//world_info.coordinates_conversion_class=Vector3D;
//world_info.seconds2string=seconds2string;
//world_info.string2DateTime=WorldTime;
}
inline void WorldRouter::add_operation_to_queue(RootOperation & op,
const BaseEntity * obj)
{
if (op.GetFrom() == "cheat") {
op.SetFrom(op.GetTo());
} else {
op.SetFrom(obj->fullid);
}
update_time();
double t = world_info::time;
//if (t > halt_time) {
//cout << "Exiting for memory leak report" << endl << flush;
//exit(0);
//}
t = t + op.GetFutureSeconds();
op.SetSeconds(t);
op.SetFutureSeconds(0.0);
std::list<RootOperation *>::iterator I;
int i = 0;
for(I = operation_queue.begin();
(I != operation_queue.end()) && ((*I)->GetSeconds() <= t) ; I++,i++);
operation_queue.insert(I, &op);
debug(cout << i << " operation added to queue" << endl << flush;);
}
inline RootOperation * WorldRouter::get_operation_from_queue()
{
std::list<RootOperation *>::iterator I = operation_queue.begin();
if (I == operation_queue.end()) {
return(NULL);
}
if ((*I)->GetSeconds() > real_time) {
return(NULL);
}
debug(cout << "pulled op off queue" << endl << flush;);
RootOperation * op = (*I);
operation_queue.pop_front();
return(op);
}
inline string WorldRouter::get_id(string & name)
{
string full_id;
char buf[32];
sprintf(buf, "%d", ++next_id);
full_id = name + string("_") + string(buf);
size_t index;
while ((index = full_id.find(' ', 0)) != string::npos) {
full_id[index] = '_';
}
return(full_id);
}
Thing * WorldRouter::add_object(Thing * obj)
{
debug(cout << "WorldRouter::add_object(Thing *)" << endl << flush;);
obj->fullid=get_id(obj->name);
server->id_dict[obj->fullid]=fobjects[obj->fullid]=obj;
objects_list.push_back(obj);
if (!obj->location) {
debug(cout << "set loc " << this << endl << flush;);
obj->location=Location(this, Vector3D(0,0,0));
debug(cout << "loc set with parent " << obj->location.parent->fullid << endl << flush;);
}
if (NULL == obj->location.parent) {
debug(cout << "set parent" << endl << flush;);
obj->location.parent=this;
}
if (obj->location.parent==this) {
debug(cout << "loc is world" << endl << flush;);
contains.push_back(obj);
contains.unique();
}
obj->world=this;
if (obj->omnipresent) {
omnipresent_list.push_back(obj);
}
Setup * s = new Setup();
*s = Setup::Instantiate();
s->SetTo(obj->fullid);
s->SetFutureSeconds(-0.1);
add_operation_to_queue(*s, this);
return (obj);
}
Thing * WorldRouter::add_object(const string & typestr, const Object & ent)
{
debug(cout << "WorldRouter::add_object(string, ent)" << endl << flush;);
Thing * obj;
obj = thing_factory.newThing(typestr, ent, this);
return add_object(obj);
}
void WorldRouter::del_object(BaseEntity * obj)
{
// Remove object from contains of its real parent?
if (obj->location.parent != NULL) {
obj->location.parent->contains.remove(obj);
}
// Remove object from world just to make sure
contains.remove(obj);
omnipresent_list.remove(obj);
perceptives.remove(obj);
objects_list.remove(obj);
fobjects.erase(obj->fullid);
}
oplist WorldRouter::message(const RootOperation & op)
{
debug(cout << "FATAL: Wrong type of WorldRouter message function called" << endl << flush;);
// You may eventually want to remove this as it causes a deliberate segfault
//return(*(RootOperation **)NULL);
oplist res;
return(res);
}
oplist WorldRouter::message(RootOperation & op, const BaseEntity * obj)
{
add_operation_to_queue(op, obj);
oplist res;
return(res);
}
inline const list_t & WorldRouter::broadcastList(const RootOperation & op) const
{
const Object::ListType & parents = op.GetParents();
if ((parents.size() > 0) && (parents.front().IsString())) {
const string & parent = parents.front().AsString();
if ((parent == "sight") || (parent == "sound")) {
return perceptives;
}
}
return objects_list;
}
oplist WorldRouter::operation(const RootOperation * op)
{
oplist res;
const RootOperation & op_ref = *op;
string to = op_ref.GetTo();
debug(cout << "WorldRouter::operation {" << to << "}" << endl << flush;);
op_no_t op_type = op_enumerate(op);
debug(cout << 0 << flush;);
if ((to.size() != 0) && (to!="all")) {
if (fobjects.find(to) == fobjects.end()) {
cerr << "CRITICAL: Op to=\"" << to << "\"" << " does not exist"
<< endl << flush;
return res;
}
BaseEntity * toEntity = fobjects[to];
if (toEntity == NULL) {
cerr << "CRITICAL: Op to=\"" << to << "\"" << " is NULL"
<< endl << flush;
return res;
}
if ((to != fullid) || (op_type == OP_LOOK)) {
if (to == fullid) {
res = ((BaseEntity *)this)->Operation((Look &)op_ref);
} else {
res = toEntity->operation(op_ref);
}
while (res.size() != 0) {
RootOperation * ro = res.front();
message(*ro, toEntity);
res.pop_front();
}
if (op_type == OP_DELETE) {
toEntity->destroy();
toEntity->deleted = true;
delete toEntity;
toEntity = NULL;
}
}
} else {
RootOperation newop = op_ref;
const list_t & broadcast = broadcastList(op_ref);
std::list<BaseEntity *>::const_iterator I;
for(I = broadcast.begin(); I != broadcast.end(); I++) {
newop.SetTo((*I)->fullid);
operation(&newop);
}
}
oplist res2;
return(res2);
}
oplist WorldRouter::operation(const RootOperation & op)
{
return(operation(&op));
}
oplist WorldRouter::Operation(const Look & op)
{
debug(cout << "WorldRouter::Operation(Look)" << endl << flush;);
string from = op.GetFrom();
if (fobjects.find(from) == fobjects.end()) {
debug(cout << "FATAL: Op has invalid from" << endl << flush;);
//return(*(RootOperation **)NULL);
} else {
debug(cout << "Adding [" << from << "] to perceptives" << endl << flush;);
perceptives.push_back(fobjects[from]);
perceptives.unique();
}
return(BaseEntity::Operation(op));
}
int WorldRouter::idle()
{
update_time();
RootOperation * op;
while ((op = get_operation_from_queue()) != NULL) {
try {
operation(op);
}
catch (...) {
cerr << "EXCEPTION: Caught in world.idle()" << endl;
cerr << " : Thrown while processing ";
cerr << op->GetParents().front().AsString();
cerr << " operation sent to " << op->GetTo();
cerr << " from " << op->GetFrom() << "." << endl << flush;
}
delete op;
}
if (op==NULL) {
return(0);
}
return(1);
}