BlueprintOfferCreator.java

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package com.fs.starfarer.api.impl.campaign.intel.bar.events.historian;
 
import java.util.HashSet;
import java.util.List;
import java.util.Random;
import java.util.Set;
 
import com.fs.starfarer.api.campaign.PlanetAPI;
import com.fs.starfarer.api.campaign.SectorEntityToken;
import com.fs.starfarer.api.impl.campaign.intel.bar.events.historian.HistorianData.HistorianOffer;
import com.fs.starfarer.api.util.WeightedRandomPicker;
 
public abstract class BlueprintOfferCreator extends BaseHistorianOfferCreator {
 
    public BlueprintOfferCreator(float frequency) {
        setFrequency(frequency);
    }
    
    public String getOfferId(BaseHistorianOffer offer) {
        return null;
    }
    
    public String getBlueprintIdFromOfferId(String offerId) {
        return null;
    }
    
    @Override
    public HistorianOffer createOffer(Random random, List<HistorianOffer> soFar) {
        HistorianData hd = HistorianData.getInstance();
        
        SectorEntityToken entity = pickEntity(random, false);
        if (entity == null || random.nextFloat() < getProbabilityRuins()) {
            PlanetAPI planet = pickUnexploredRuins(random);
            if (planet != null) entity = planet;
        }
        if (entity == null) {
            entity = createEntity(random);
        }
        
        if (entity == null) return null;
        
        WeightedRandomPicker<String> picker = new WeightedRandomPicker<String>(random);
 
        Set<String> already = new HashSet<String>();
        for (HistorianOffer offer : soFar) {
            String id = getAlreadyUsedIdFromOffer(offer);
            if (id != null) already.add(id);
        }
        
        for (String id : hd.getGivenOffers()) {
            String bpId = getBlueprintIdFromOfferId(id);
            if (bpId != null) {
                already.add(bpId);
            }
        }
        
        for (Object spec : getAllSpecs()) {
            String id = getIdForSpec(spec);
            if (already.contains(id)) continue;
            if (playerKnowsSpecAlready(id)) continue;
            
            float w = hd.getWeightForTags(getTagsForSpec(spec));
            if (w <= 0) continue;
            
            w *= getRarityForSpec(spec);
            picker.add(id, w);
        }
        
        String data = picker.pick();
        if (data == null) return null;
        
        HistorianOffer offer = createOffer(entity, data); 
        return offer;
    }
    
    protected abstract BaseHistorianOfferWithLocation createOffer(SectorEntityToken entity, String data);
    
    protected abstract String getAlreadyUsedIdFromOffer(HistorianOffer offer);
    protected abstract List<Object> getAllSpecs();
    protected abstract Set<String> getTagsForSpec(Object spec);
    protected abstract String getIdForSpec(Object spec);
    protected abstract boolean playerKnowsSpecAlready(String id);
    
    protected float getRarityForSpec(Object spec) {
        return 1f;
    }
    
    protected float getProbabilityRuins() {
        return 0.33f;
    }
 
}