IonBeamEffect.java

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package com.fs.starfarer.api.impl.combat;
 
import org.lwjgl.util.vector.Vector2f;
 
import com.fs.starfarer.api.combat.BeamAPI;
import com.fs.starfarer.api.combat.BeamEffectPlugin;
import com.fs.starfarer.api.combat.CombatEngineAPI;
import com.fs.starfarer.api.combat.CombatEntityAPI;
import com.fs.starfarer.api.combat.DamageType;
import com.fs.starfarer.api.combat.ShipAPI;
import com.fs.starfarer.api.impl.campaign.ids.Stats;
import com.fs.starfarer.api.util.IntervalUtil;
 
public class IonBeamEffect implements BeamEffectPlugin {
 
    private IntervalUtil fireInterval = new IntervalUtil(0.25f, 1.75f);
    private boolean wasZero = true;
    
    
    public void advance(float amount, CombatEngineAPI engine, BeamAPI beam) {
        CombatEntityAPI target = beam.getDamageTarget();
        if (target instanceof ShipAPI && beam.getBrightness() >= 1f) {
            float dur = beam.getDamage().getDpsDuration();
            // needed because when the ship is in fast-time, dpsDuration will not be reset every frame as it should be
            if (!wasZero) dur = 0;
            wasZero = beam.getDamage().getDpsDuration() <= 0;
            fireInterval.advance(dur);
            
            if (fireInterval.intervalElapsed()) {
                ShipAPI ship = (ShipAPI) target;
                boolean hitShield = target.getShield() != null && target.getShield().isWithinArc(beam.getTo());
                float pierceChance = ((ShipAPI)target).getHardFluxLevel() - 0.1f;
                pierceChance *= ship.getMutableStats().getDynamic().getValue(Stats.SHIELD_PIERCED_MULT);
                
                boolean piercedShield = hitShield && (float) Math.random() < pierceChance;
                //piercedShield = true;
                
                if (!hitShield || piercedShield) {
                    Vector2f point = beam.getRayEndPrevFrame();
                    float emp = beam.getDamage().getFluxComponent() * 1f;
                    float dam = beam.getDamage().getDamage() * 1f;
                    engine.spawnEmpArcPierceShields(
                                       beam.getSource(), point, beam.getDamageTarget(), beam.getDamageTarget(),
                                       DamageType.ENERGY, 
                                       dam, // damage
                                       emp, // emp 
                                       100000f, // max range 
                                       "tachyon_lance_emp_impact",
                                       beam.getWidth() + 9f,
                                       beam.getFringeColor(),
                                       beam.getCoreColor()
                                       );
                }
            }
        }
//          Global.getSoundPlayer().playLoop("system_emp_emitter_loop", 
//                                           beam.getDamageTarget(), 1.5f, beam.getBrightness() * 0.5f,
//                                           beam.getTo(), new Vector2f());
    }
}