shader

src/UnitInfo/SUtils.java

@@ -1,9 +1,15 @@
 package UnitInfo;
 
 import arc.graphics.g2d.*;
+import arc.math.Mathf;
 import arc.scene.style.*;
 import arc.util.Strings;
 import mindustry.core.UI;
+import mindustry.entities.bullet.BulletType;
+import mindustry.entities.bullet.LightningBulletType;
+import mindustry.type.UnitType;
+import mindustry.type.weapons.PointDefenseWeapon;
+import mindustry.type.weapons.RepairBeamWeapon;
 
 import java.lang.reflect.*;
 
@@ -27,6 +33,29 @@ public class SUtils {
         return String.valueOf(number);
     }
 
+    public static float bulletRange(BulletType b) {
+        float a = 0;
+        float n = 1;
+        for (int i = 0; i < b.lifetime; i++) {
+            a += n;
+            n *= (1 - b.drag);
+        };
+        a += n;
+        a /= b.lifetime;
+        return b.speed * a * Mathf.pow(1 - b.drag, b.lifetime / 2) * b.lifetime +
+                Math.max(b.lightning > 0 || b instanceof LightningBulletType ? (b.lightningLength + b.lightningLengthRand) * 6 : 0,
+                        b.fragBullet != null ? bulletRange(b.fragBullet) * b.fragLifeMax * b.fragVelocityMax : b.splashDamageRadius);
+    };
+
+    public static float unitRange(UnitType u) {
+        final float[] mrng = {0};
+        u.weapons.each(w -> w.bullet != null, w -> {
+                mrng[0] = Math.max(mrng[0], (w instanceof RepairBeamWeapon || w instanceof PointDefenseWeapon) ? 0 : bulletRange(w.bullet));
+                if(mrng[0] == 0) mrng[0] = w.bullet.range();
+        });
+        return mrng[0];
+    }
+
     public static Object invoke(Object ut, String fieldName) throws IllegalAccessException, NoSuchFieldException {
         Field field = ut.getClass().getDeclaredField(fieldName);
         field.setAccessible(true);