RiftLanceEffect.java

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package com.fs.starfarer.api.impl.combat;
 
import java.awt.Color;
 
import org.lwjgl.util.vector.Vector2f;
 
import com.fs.starfarer.api.Global;
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.MissileAPI;
import com.fs.starfarer.api.combat.ShipAPI;
import com.fs.starfarer.api.combat.WeaponAPI.WeaponType;
import com.fs.starfarer.api.util.Misc;
 
public class RiftLanceEffect implements BeamEffectPlugin { //WithReset {
 
    public static float MINE_SPAWN_CHANCE = 0f;
    
    protected boolean done = false;
//  public void reset() {
//      done = false;
//  }
    
    public void advance(float amount, CombatEngineAPI engine, BeamAPI beam) {
        if (beam.getBrightness() < 1f || done) return;
        float range = beam.getWeapon().getRange();
        float length = beam.getLengthPrevFrame();
    
        if (length > range - 10f || beam.getDamageTarget() != null) {
        //if (beam.getDamageTarget() != null) {
            done = true;
            
            Vector2f loc = beam.getRayEndPrevFrame();
            
            Color color = getColorForDarkening(beam.getFringeColor());
            Color undercolor = RiftCascadeEffect.EXPLOSION_UNDERCOLOR;
            float a = 1f;
            color = Misc.scaleAlpha(color, a);
            undercolor = Misc.scaleAlpha(undercolor, a);
            float size = 75f;
            size *= 0.5f;
            float dur = beam.getWeapon().getSpec().getBurstDuration() + beam.getWeapon().getSpec().getBeamChargedownTime();
            
            if ((float) Math.random() < MINE_SPAWN_CHANCE) {
                spawnMine(beam.getSource(), loc);
            } else {
                Vector2f vel = new Vector2f();
                if (beam.getDamageTarget() != null) {
                    vel.set(beam.getDamageTarget().getVelocity());
                }
                spawnHitDarkening(color, undercolor, loc, vel, size, dur);
            }
        }
    }
    
    public void spawnHitDarkening(Color color, Color undercolor, Vector2f point, Vector2f vel, float size, float baseDuration) {
        CombatEngineAPI engine = Global.getCombatEngine();
        if (!engine.getViewport().isNearViewport(point, 100f + size * 2f)) return;
        
        Color c = color;
        
        
        for (int i = 0; i < 5; i++) {
            float dur = baseDuration + baseDuration * (float) Math.random();
            //float nSize = size * (1f + 0.0f * (float) Math.random());
            //float nSize = size * (0.75f + 0.5f * (float) Math.random());
            float nSize = size;
            Vector2f pt = Misc.getPointWithinRadius(point, nSize * 0.5f);
            Vector2f v = Misc.getUnitVectorAtDegreeAngle((float) Math.random() * 360f);
            v.scale(nSize + nSize * (float) Math.random() * 0.5f);
            v.scale(0.2f);
            Vector2f.add(vel, v, v);
            
            float maxSpeed = nSize * 1.5f * 0.2f; 
            float minSpeed = nSize * 1f * 0.2f; 
            float overMin = v.length() - minSpeed;
            if (overMin > 0) {
                float durMult = 1f - overMin / (maxSpeed - minSpeed);
                if (durMult < 0.1f) durMult = 0.1f;
                dur *= 0.5f + 0.5f * durMult;
            }
            engine.addNegativeNebulaParticle(pt, v, nSize * 1f, 2f,
                                            0.5f / dur, 0f, dur, c);
        }
        
        float dur = baseDuration; 
        float rampUp = 0f;
        c = undercolor;
        for (int i = 0; i < 12; i++) {
            Vector2f loc = new Vector2f(point);
            loc = Misc.getPointWithinRadius(loc, size * 1f);
            float s = size * 3f * (0.5f + (float) Math.random() * 0.5f);
            engine.addNebulaParticle(loc, vel, s, 1.5f, rampUp, 0f, dur, c);
        }
    }
    
    public static Color getColorForDarkening(Color from) {
        Color c = new Color(255 - from.getRed(),
                255 - from.getGreen(),
                255 - from.getBlue(), 127);
        c = Misc.interpolateColor(c, Color.white, 0.4f);
        return c;
    }
    
    
    public void spawnMine(ShipAPI source, Vector2f mineLoc) {
        CombatEngineAPI engine = Global.getCombatEngine();
        
        
        //Vector2f currLoc = mineLoc;
        MissileAPI mine = (MissileAPI) engine.spawnProjectile(source, null, 
                                                              "riftlance_minelayer", 
                                                              mineLoc, 
                                                              (float) Math.random() * 360f, null);
        if (source != null) {
            Global.getCombatEngine().applyDamageModifiersToSpawnedProjectileWithNullWeapon(
                                            source, WeaponType.ENERGY, false, mine.getDamage());
//          float extraDamageMult = source.getMutableStats().getMissileWeaponDamageMult().getModifiedValue();
//          mine.getDamage().setMultiplier(mine.getDamage().getMultiplier() * extraDamageMult);
        }
        
        
        float fadeInTime = 0.05f;
        mine.getVelocity().scale(0);
        mine.fadeOutThenIn(fadeInTime);
        
        //Global.getCombatEngine().addPlugin(createMissileJitterPlugin(mine, fadeInTime));
        
        //mine.setFlightTime((float) Math.random());
        float liveTime = 0f;
        //liveTime = 0.01f;
        mine.setFlightTime(mine.getMaxFlightTime() - liveTime);
        mine.addDamagedAlready(source);
        mine.setNoMineFFConcerns(true);
    }
 
}