void CLocationCriteriaTableEntry::InitSelector (SSelectorInitCtx &InitCtx, CCompositeImageSelector *retSelector)
// InitSelector
//
// Initializes the selector
{
int i;
// Generate the table based on criteria and location
TProbabilityTable<int> ProbTable;
for (i = 0; i < m_Table.GetCount(); i++)
{
// Compute the probability of this entry at the
// given location.
int iChance = m_Table[i].Criteria.CalcLocationWeight(InitCtx.pSystem, InitCtx.sLocAttribs, InitCtx.vObjPos);
if (iChance > 0)
ProbTable.Insert(i, iChance);
}
// If none match, then add the default element
if (ProbTable.GetCount() == 0 && m_iDefault != -1)
ProbTable.Insert(m_iDefault, 1000);
// Roll
if (ProbTable.GetCount() > 0)
{
int iRoll = ProbTable.RollPos();
int iIndex = ProbTable[iRoll];
retSelector->AddVariant(GetID(), iIndex);
m_Table[iIndex].pImage->InitSelector(InitCtx, retSelector);
}
}
void CSystemCreateStats::AddFillLocationsTable (CSystem *pSystem, const TProbabilityTable<int> &LocationTable, const CString &sStationCriteria)
// AddFillLocationsTable
//
// Adds stats about <FillLocations>
{
int i, j;
if (LocationTable.GetCount() == 0)
return;
SFillLocationsTable *pEntry = m_FillLocationsTables.Insert();
pEntry->iLevel = pSystem->GetLevel();
pEntry->sSystemName = pSystem->GetName();
pEntry->pSystemType = pSystem->GetType();
pEntry->sStationCriteria = sStationCriteria;
// Parse station criteria if we've got it.
// NOTE: For now we only do enemies.
CString sEnemyStationCriteria = strPatternSubst(CONSTLIT("%s,%s"), sStationCriteria, CONSTLIT("*enemy"));
CAttributeCriteria StationCriteria;
StationCriteria.Parse(sEnemyStationCriteria, 0);
// Start by generating a base probability for all station encounters
// relative to the system.
TProbabilityTable<CStationType *> BaseProb;
for (i = 0; i < g_pUniverse->GetStationTypeCount(); i++)
{
CStationType *pType = g_pUniverse->GetStationType(i);
int iBaseChance = StationCriteria.AdjStationWeight(pType, ((1000 / ftCommon) * pType->GetFrequencyForSystem(pSystem)));
if (iBaseChance > 0)
{
CAttributeCriteria LocationCriteria;
LocationCriteria.Parse(pType->GetLocationCriteria(), 0);
// Average out our chance of ending up at one of the given locations.
int iTotal = 0;
for (j = 0; j < LocationTable.GetCount(); j++)
{
int iLocID = LocationTable[j];
CLocationDef *pLoc = pSystem->GetLocation(iLocID);
iTotal += LocationCriteria.AdjLocationWeight(pSystem, pLoc);
}
int iAverageChance = iTotal / LocationTable.GetCount();
// Now adjust the base chance
int iChance = iBaseChance * iAverageChance / 1000;
if (iChance <= 0)
continue;
// Add it to our table.
pEntry->Table.Insert(pType, iChance);
}
}
}