ShipExplosionFlareVisual.java

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package com.fs.starfarer.api.impl.combat;
 
import java.util.EnumSet;
 
import java.awt.Color;
 
import com.fs.starfarer.api.Global;
import com.fs.starfarer.api.combat.BaseCombatLayeredRenderingPlugin;
import com.fs.starfarer.api.combat.CombatEngineLayers;
import com.fs.starfarer.api.combat.CombatEntityAPI;
import com.fs.starfarer.api.combat.ShipAPI;
import com.fs.starfarer.api.combat.ViewportAPI;
import com.fs.starfarer.api.graphics.SpriteAPI;
import com.fs.starfarer.api.util.FaderUtil;
import com.fs.starfarer.api.util.Misc;
 
public class ShipExplosionFlareVisual extends BaseCombatLayeredRenderingPlugin {
 
    public static class ShipExplosionFlareParams implements Cloneable {
        public CombatEntityAPI attachedTo;
        public Color color;
        public float flareWidth;
        public float flareHeight;
        public float fadeIn = 0.25f;
        public float fadeOut = 2f;
        
        public ShipExplosionFlareParams() {
        }
 
        public ShipExplosionFlareParams(CombatEntityAPI attachedTo, Color color, float flareWidth, float flareHeight) {
            this.attachedTo = attachedTo;
            this.color = color;
            this.flareWidth = flareWidth;
            this.flareHeight = flareHeight;
        }
        
        @Override
        protected ShipExplosionFlareParams clone() {
            try {
                return (ShipExplosionFlareParams) super.clone();
            } catch (CloneNotSupportedException e) {
                return null; // should never happen
            }
        }
        
    }
    
    protected ShipExplosionFlareParams p;
    protected SpriteAPI sprite;
    protected FaderUtil fader;
 
    public ShipExplosionFlareVisual(ShipExplosionFlareParams p) {
        this.p = p;
        //fader = new FaderUtil(1f, 0f, 2f);
        //fader.fadeOut();
        fader = new FaderUtil(0f, p.fadeIn, p.fadeOut);
        fader.setBounceDown(true);
        fader.fadeIn();
        sprite = Global.getSettings().getSprite("graphics/fx/starburst_glow1.png");
    }
    
    public float getRenderRadius() {
        return Math.max(p.flareWidth, p.flareHeight) + 500f;
    }
    
    
    @Override
    public EnumSet<CombatEngineLayers> getActiveLayers() {
        return EnumSet.of(CombatEngineLayers.ABOVE_PARTICLES_LOWER);
    }
 
    public void advance(float amount) {
        if (Global.getCombatEngine().isPaused()) return;
        
        fader.advance(amount);
        
        if (entity != null && p.attachedTo != null) {
            if (p.attachedTo instanceof ShipAPI) {
                entity.getLocation().set(((ShipAPI)p.attachedTo).getShieldCenterEvenIfNoShield());
            } else {
                entity.getLocation().set(p.attachedTo.getLocation());
            }
        }
    }
 
    public void init(CombatEntityAPI entity) {
        super.init(entity);
    }
 
    public boolean isExpired() {
        return fader.isFadedOut();
    }
 
    public void render(CombatEngineLayers layer, ViewportAPI viewport) {
        float x = entity.getLocation().x;
        float y = entity.getLocation().y;
    
        float b = fader.getBrightness();
        if (fader.isFadingIn() && b > 0.01f) {
            b = (float) Math.sqrt(b);
        } else {
            b *= b;
        }
        float alphaMult = viewport.getAlphaMult();
        
        alphaMult *= b;
        
        float f = 0.5f + 0.5f * b;
        f = 1f;
        
        sprite.setColor(p.color);
        sprite.setSize(p.flareWidth * f, p.flareHeight * f);
        sprite.setAdditiveBlend();
        sprite.setAlphaMult(alphaMult);
        sprite.renderAtCenter(x, y);
        
        //f *= 0.75f;
        sprite.setColor(Misc.scaleAlpha(Color.white, 1f));
        sprite.setSize(p.flareWidth * f, p.flareHeight * f * 0.33f);
        sprite.setAdditiveBlend();
        sprite.setAlphaMult(alphaMult);
        sprite.renderAtCenter(x, y);
        
//      f = 0.5f + 0.5f * b;
//      sprite.setColor(p.color);
//      sprite.setSize(p.flareHeight * f, p.flareWidth * f * 0.5f);
//      sprite.setAdditiveBlend();
//      sprite.setAlphaMult(alphaMult);
//      sprite.renderAtCenter(x, y);
        
//      f *= 0.5f;
//      sprite.setColor(Misc.scaleAlpha(Color.white, b));
//      sprite.setSize(p.flareHeight * f, p.flareWidth * f * 0.5f);
//      sprite.setAdditiveBlend();
//      sprite.setAlphaMult(alphaMult);
//      sprite.renderAtCenter(x, y);
    }
 
    
 
}