C++/Lua Request Thread

// Removes religion preference
#define MOD_RELIGION_NO_PREFERRENCES        (true)
// Randomises religion choice (if preferred religion unavailable)
#define MOD_RELIGION_RANDOMISE              (true)

/// Get the appropriate religion for this player to found next
ReligionTypes CvGameReligions::GetReligionToFound(PlayerTypes ePlayer)
{
#if defined(MOD_RELIGION_NO_PREFERRENCES)
	if (!MOD_RELIGION_NO_PREFERRENCES) {
		// Choose the civs preferred religion if not disabled and available
#endif
		ReligionTypes eCivReligion;
		eCivReligion = GET_PLAYER(ePlayer).getCivilizationInfo().GetReligion();
		if(!HasBeenFounded(eCivReligion))
		{
			CvReligionEntry* pEntry = GC.getReligionInfo(eCivReligion);
			if(pEntry)
			{
				return eCivReligion;
			}
		}
#if defined(MOD_RELIGION_NO_PREFERRENCES)
	}
#endif

#if defined(MOD_RELIGION_RANDOMISE)
	// No preferred religion, so find all the possible religions
	std::vector<ReligionTypes> availableReligions;
#endif
	
	// Need to "borrow" from another civ.  Loop through all religions looking for one that is eligible
	for(int iI = 0; iI < GC.getNumReligionInfos(); iI++)
	{
		ReligionTypes eReligion = (ReligionTypes)iI;
		CvReligionEntry* pEntry = GC.getReligionInfo(eReligion);
		if(!pEntry)
		{
			continue;
		}

		if(pEntry->GetID() == RELIGION_PANTHEON)
		{
			continue;
		}

		if(HasBeenFounded((ReligionTypes)pEntry->GetID()))
		{
			continue;
		}

#if defined(MOD_RELIGION_NO_PREFERRENCES)
		// Only excluded religions preferred by other civs if not disabled
		if (!MOD_RELIGION_NO_PREFERRENCES) {
#endif
			if(IsPreferredByCivInGame(eReligion))
			{
				continue;
			}
#if defined(MOD_RELIGION_NO_PREFERRENCES)
		}
#endif

#if defined(MOD_RELIGION_RANDOMISE)
		if (MOD_RELIGION_RANDOMISE) {
			// If we want a random religion, remember this as a possible candidate ...
			availableReligions.push_back(eReligion);
		} else {
			// ... otherwise just return it
#endif
			return (eReligion);
#if defined(MOD_RELIGION_RANDOMISE)
		}
#endif
	}

#if defined(MOD_RELIGION_RANDOMISE)
	if (availableReligions.empty()) {
#endif

		// Will have to use a religion that someone else prefers
		for(int iI = 0; iI < GC.getNumReligionInfos(); iI++)
		{
			ReligionTypes eReligion = (ReligionTypes)iI;
			CvReligionEntry* pEntry = GC.getReligionInfo(eReligion);
			if(!pEntry)
			{
				continue;
			}

			if(pEntry->GetID() == RELIGION_PANTHEON)
			{
				continue;
			}

			if(HasBeenFounded((ReligionTypes)pEntry->GetID()))
			{
				continue;
			}

#if defined(MOD_RELIGION_RANDOMISE)
			if (MOD_RELIGION_RANDOMISE) {
				// If we want a random religion, remember this as a possible candidate ...
				availableReligions.push_back(eReligion);
			} else {
				// ... otherwise just return it
#endif
			return (eReligion);
#if defined(MOD_RELIGION_RANDOMISE)
			}
#endif
		}

#if defined(MOD_RELIGION_RANDOMISE)
	}
#endif

#if defined(MOD_RELIGION_RANDOMISE)
	// Pick a random religion
	if (!availableReligions.empty()) {
		int index = 0;
		
		// Pick a random one if required
		if (MOD_RELIGION_RANDOMISE) {
			index = GC.getGame().getJonRandNum(availableReligions.size(), "Random Religion To Found");
		}
		
		return availableReligions[index];
	}
#endif

	return NO_RELIGION;
}

-- Create a temp religions table from the standard Pantheon entry
CREATE TABLE Religions_Temp AS
  SELECT *
  FROM Religions
  WHERE Type = 'RELIGION_PANTHEON';

-- Copy the remaining religions to the temp table in a random order  
INSERT INTO Religions_Temp
  SELECT *
  FROM Religions
  WHERE Type != 'RELIGION_PANTHEON'
  ORDER BY RANDOM();

-- Renumber the religions  
UPDATE Religions_Temp
  SET ID = (rowid-1);

-- Copy everything back from the temp table, keeping the same order, and then tidy up after ourselves
DELETE FROM Religions;
INSERT INTO Religions SELECT * FROM Religions_Temp ORDER BY rowid ASC;
DROP TABLE Religions_Temp;

-- Finally delete all the preferred religions
DELETE FROM Civilization_Religions;