RacerGhostCreator.java

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package com.fs.starfarer.api.impl.campaign.ghosts.types;
 
import java.util.ArrayList;
import java.util.List;
 
import org.lwjgl.util.vector.Vector2f;
 
import com.fs.starfarer.api.Global;
import com.fs.starfarer.api.campaign.CampaignFleetAPI;
import com.fs.starfarer.api.impl.campaign.ghosts.BaseSensorGhostCreator;
import com.fs.starfarer.api.impl.campaign.ghosts.GhostFrequencies;
import com.fs.starfarer.api.impl.campaign.ghosts.SensorGhost;
import com.fs.starfarer.api.impl.campaign.ghosts.SensorGhostManager;
import com.fs.starfarer.api.impl.campaign.velfield.SlipstreamTerrainPlugin2;
import com.fs.starfarer.api.impl.campaign.velfield.SlipstreamTerrainPlugin2.SlipstreamSegment;
 
public class RacerGhostCreator extends BaseSensorGhostCreator {
    
    
    @Override
    public List<SensorGhost> createGhost(SensorGhostManager manager) {
        if (!Global.getSector().getCurrentLocation().isHyperspace()) return null;
        CampaignFleetAPI pf = Global.getSector().getPlayerFleet();
        Vector2f loc = pf.getLocation();
        
        //LocationAPI hyper = Global.getSector().getHyperspace();
        float radius = 1000f;
        SlipstreamTerrainPlugin2 plugin = pickNearbySlipstream(radius, manager.getRandom());
        if (plugin == null) return null;
        
        float [] coords = plugin.getLengthAndWidthFractionWithinStream(loc, 0f, false, radius);
        if (coords == null) return null;
        
        SlipstreamSegment start = plugin.getSegmentForDist(coords[0]);
        if (start == null) return null;
        
        List<SlipstreamSegment> segments = plugin.getSegments();
        
        List<SensorGhost> result = new ArrayList<SensorGhost>();
        
        int num = 1 + manager.getRandom().nextInt(5);
        
        float distBehind = 1000f;
        float currDist = 0f;
        for (int i = start.index - 1; i >= 0f && num > 0; i--) {
            SlipstreamSegment curr = segments.get(i);
            currDist += curr.lengthToNext;
            
            float b = plugin.getFaderBrightness(coords[0]);
            if (currDist > distBehind && b > 0) {
                num--;
                
                RacerGhost g = new RacerGhost(manager, curr, plugin);
                if (g.isCreationFailed()) continue;
                result.add(g);
                distBehind += 500f * manager.getRandom().nextFloat();
            }
        }
        return result;
    }
 
    
    @Override
    public float getFrequency(SensorGhostManager manager) {
        return GhostFrequencies.getRacerFrequency(manager);
        //return 10000f;
    }
    
    public boolean canSpawnWhilePlayerInOrNearSlipstream() {
        return true;
    }
}