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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#include "plRelevanceMgr.h"
#include "plRelevanceRegion.h"
#include "plIntersect/plRegionBase.h"
#include "hsStream.h"
#include "hsStringTokenizer.h"
plRelevanceMgr* plRelevanceMgr::fInstance = nil;
plRelevanceMgr::plRelevanceMgr() : fEnabled(true)
{
}
void plRelevanceMgr::Init()
{
fInstance = TRACKED_NEW plRelevanceMgr;
fInstance->RegisterAs(kRelevanceMgr_KEY);
}
void plRelevanceMgr::DeInit()
{
if (fInstance)
{
fInstance->UnRegisterAs(kRelevanceMgr_KEY);
fInstance = nil;
}
}
void plRelevanceMgr::IAddRegion(plRelevanceRegion *region)
{
int i;
int dstIdx = fRegions.GetCount();
for (i = 0; i < fRegions.GetCount(); i++)
{
if (fRegions[i] == nil)
{
dstIdx = i;
break;
}
}
if (dstIdx == fRegions.GetCount())
fRegions.Append(region);
else
fRegions[i] = region;
region->SetMgrIndex(dstIdx + 1);
}
void plRelevanceMgr::IRemoveRegion(plRelevanceRegion *region)
{
fRegions[region->fMgrIdx - 1] = nil;
}
void plRelevanceMgr::SetRegionVectors(const hsPoint3 &pos, hsBitVector &regionsImIn, hsBitVector &regionsICareAbout)
{
regionsImIn.Clear();
regionsICareAbout.Clear();
regionsICareAbout.SetBit(0, true); // Always care about region zero, the special "No region" node
hsBool inAnyRegion = false;
int i;
for (i = 0; i < fRegions.GetCount(); i++)
{
if (fRegions[i] && fRegions[i]->fRegion->IsInside(pos))
{
regionsImIn.SetBit(i + 1, true);
regionsICareAbout |= fRegions[i]->fRegionsICareAbout;
inAnyRegion = true;
}
}
// If I'm not in any region, that means I'm in the special zero region and care about everything.
if (!inAnyRegion)
{
regionsImIn.SetBit(0, true);
regionsICareAbout.Set(fRegions.GetCount());
}
}
UInt32 plRelevanceMgr::GetNumRegions() const
{
int i;
for (i = fRegions.GetCount(); i > 0 && fRegions[i - 1] == nil; i--);
return i + 1; // Add 1 for the special zero-region
}
hsBool plRelevanceMgr::MsgReceive(plMessage* msg)
{
plGenRefMsg *genMsg = plGenRefMsg::ConvertNoRef(msg);
if (genMsg)
{
plRelevanceRegion *region = plRelevanceRegion::ConvertNoRef(genMsg->GetRef());
if( genMsg->GetContext() & (plRefMsg::kOnCreate) )
{
IAddRegion(region);
}
else if( genMsg->GetContext() & (plRefMsg::kOnDestroy|plRefMsg::kOnRemove) )
{
IRemoveRegion(region);
}
return true;
}
return hsKeyedObject::MsgReceive(msg);
}
UInt32 plRelevanceMgr::GetIndex(char *regionName)
{
int i;
for (i = 0; i < fRegions.GetCount(); i++)
{
if (fRegions[i] && !stricmp(regionName, fRegions[i]->GetKeyName()))
return i + 1;
}
return -1;
}
void plRelevanceMgr::MarkRegion(UInt32 localIdx, UInt32 remoteIdx, hsBool doICare)
{
if (localIdx == (UInt32)-1 || remoteIdx == (UInt32)-1)
return;
if (localIdx - 1 >= fRegions.GetCount() || remoteIdx - 1 >= fRegions.GetCount() || fRegions[localIdx - 1] == nil)
return;
fRegions[localIdx - 1]->fRegionsICareAbout.SetBit(remoteIdx, doICare);
}
// tiny class for the function below
class plRegionInfo
{
public:
char *fName;
int fIndex;
plRegionInfo() : fName(nil), fIndex(-1) {}
~plRegionInfo() { delete [] fName; }
};
/*
* This function expects a CSV file representing the matrix
*
* name1 name2 name3
* name1 value value value
* name2 value value value
* name3 value value value
*
* where the value determines how much the that row's region cares about the region in the current column.
* (Currently, the possible values are:
* 0: Doesn't care
* 1 or greater: row cares about column
*/
void plRelevanceMgr::ParseCsvInput(hsStream *s)
{
const int kBufSize = 512;
char buff[kBufSize];
hsTArray<plRegionInfo*> regions;
hsStringTokenizer toke;
hsBool firstLine = true;
while (!s->AtEnd())
{
if (!s->ReadLn(buff, kBufSize))
break;
if (firstLine)
{
firstLine = false;
toke.Reset(buff, ",");
while (toke.Next(buff, kBufSize))
{
if (strcmp(buff, "") == 0)
continue; // ignore the initial blank one
plRegionInfo *info = TRACKED_NEW plRegionInfo;
regions.Append(info);
info->fName = hsStrcpy(buff);
info->fIndex = GetIndex(buff);
}
}
else // parsing actual settings.
{
toke.Reset(buff, ",");
if (!toke.Next(buff, kBufSize))
continue;
int rowIndex = GetIndex(buff);
int column = 0;
while (toke.Next(buff, kBufSize) && column < regions.GetCount())
{
int value = atoi(buff);
MarkRegion(rowIndex, regions[column]->fIndex, value != 0);
column++;
}
}
}
int i;
for (i = regions.GetCount() - 1; i >= 0; i--)
delete regions[i];
}
std::string plRelevanceMgr::GetRegionNames(hsBitVector regions)
{
std::string retVal = "";
if (regions.IsBitSet(0))
retVal = "-Nowhere (0)-";
for (int i = 0; i < fRegions.GetCount(); ++i)
{
if (regions.IsBitSet(i + 1))
{
if (retVal.length() != 0)
retVal += ", ";
if (fRegions[i])
retVal += fRegions[i]->GetKeyName();
}
}
if (retVal.length() == 0)
retVal = "<NONE>";
return retVal;
}