Object* ObjectFactory::object(const UUID& id) {
assert( mObjectIDs.find(id) != mObjectIDs.end() );
ObjectMap::iterator it = mObjects.find(id);
if (it != mObjects.end()) return it->second;
Object* new_obj = new Object(this, id, motion(id), bounds(id), registerQuery(id), queryAngle(id), mContext);
mObjects[id] = new_obj;
return new_obj;
}
/*----------------------------------------------------------------------------*/
Bool
DropRules_check(DropRules rules, WorldCoord posx, WorldCoord posy)
{
RegisterResult* regi;
RegisterResult* reg_pres;
/*check if it can be registered*/
if (registerIsOutbound(posx, posy))
{
return FALSE;
}
/*check denyground*/
if (rules->denyground)
{
if (groundGetState(posx, posy))
{
return FALSE;
}
}
reg_pres = registerQuery(posx, posy, NULL, NULL, REGISTER_PRESENCE);
/*check needground*/
if (rules->needground)
{
if (!groundGetState(posx, posy))
{
/*there is no ground under*/
/*check if there is an entity that can play the role of ground*/
if (!matchOne(rules->ground_entities, reg_pres))
{
FREE(reg_pres);
return FALSE;
}
}
}
/*check allowed entities*/
regi = reg_pres;
while (regi->piece != NULL)
{
if (!searchEntityList(rules->allowed_entities, Piece_getEntity(regi->piece)))
{
/*an unallowed entity was found*/
FREE(reg_pres);
return FALSE;
}
regi++;
}
/*check ground connexity*/
if (rules->groundconnexity)
{
Bool pass = FALSE;
if (!registerIsOutbound(posx - 1, posy))
{
if (groundGetState(posx - 1, posy))
{
pass = TRUE;
}
else
{
RegisterResult* r;
r = registerQuery(posx - 1, posy, NULL, NULL, REGISTER_PRESENCE);
if (matchOne(rules->ground_entities, r))
{
pass = TRUE;
}
FREE(r);
}
}
if ((!pass) && (!registerIsOutbound(posx + 1, posy)))
{
if (groundGetState(posx + 1, posy))
{
pass = TRUE;
}
else
{
RegisterResult* r;
r = registerQuery(posx + 1, posy, NULL, NULL, REGISTER_PRESENCE);
if (matchOne(rules->ground_entities, r))
{
pass = TRUE;
}
FREE(r);
}
}
if ((!pass) && (!registerIsOutbound(posx, posy - 1)))
{
if (groundGetState(posx, posy - 1))
{
pass = TRUE;
}
else
{
RegisterResult* r;
r = registerQuery(posx, posy - 1, NULL, NULL, REGISTER_PRESENCE);
if (matchOne(rules->ground_entities, r))
{
pass = TRUE;
}
FREE(r);
}
}
if ((!pass) && (!registerIsOutbound(posx, posy + 1)))
{
if (groundGetState(posx, posy + 1))
{
pass = TRUE;
}
else
{
RegisterResult* r;
r = registerQuery(posx, posy + 1, NULL, NULL, REGISTER_PRESENCE);
if (matchOne(rules->ground_entities, r))
{
pass = TRUE;
}
FREE(r);
}
}
if (!pass)
{
FREE(reg_pres);
return FALSE;
}
}
/*all checks passed*/
FREE(reg_pres);
return TRUE;
}
