Fix gitignore + better hit reg

.gitignore

@@ -69,3 +69,7 @@ hs_err_pid*
 >>>>>>> 354c5c7d98801e512c3da0913cd1824a9cf4b2cf
 
 /run
+
+# gradle
+.gradle/
+build/

eSpigot-Server/src/main/java/com/elevatemc/spigot/config/eSpigotConfig.java

@@ -134,6 +134,11 @@ public class eSpigotConfig
         lagCompensatedPearls = getBoolean("settings.lag-compensated.pearls", true);
     }
 
+    public static boolean improvedHitReg;
+    private static void improvedHitReg() {
+        improvedHitReg = getBoolean("settings.improved-hit-reg", true);
+    }
+
 
     public static boolean cannonTracker;
     private static void cannonTracker()

eSpigot-Server/src/main/java/net/minecraft/server/EntityLiving.java

@@ -1811,7 +1811,32 @@ public abstract class EntityLiving extends Entity {
     }
 
     public boolean hasLineOfSight(Entity entity) {
-        return this.world.rayTrace(new Vec3D(this.locX, this.locY + (double) this.getHeadHeight(), this.locZ), new Vec3D(entity.locX, entity.locY + (double) entity.getHeadHeight(), entity.locZ)) == null;
+        Vec3D vec = new Vec3D(this.locX, this.locY + (double) this.getHeadHeight(), this.locZ);
+
+        if (entity instanceof EntityPlayer && eSpigotConfig.improvedHitReg) {
+            // Head height is 1,5725
+            // Split it into three to get a more accurate line of sight -> 0.52416667
+
+            double parts = entity.getHeadHeight() / 3;
+
+            Vec3D vec3 = new Vec3D(entity.locX, entity.locY, entity.locZ);
+
+            return this.world.rayTrace(
+                    vec,
+                    vec3.add(0.0D, (parts * 3), 0.0D)
+            ) == null || this.world.rayTrace(
+                    vec,
+                    vec3.add(0.0D, (parts * 2), 0.0D)
+            ) == null || this.world.rayTrace(
+                    vec,
+                    vec3.add(0.0D, (parts * 1), 0.0D)
+            ) == null;
+        } else {
+            return this.world.rayTrace(
+                    vec,
+                    new Vec3D(entity.locX, entity.locY + (double) this.getHeadHeight(), entity.locZ)
+            ) == null;
+        }
     }
 
     public Vec3D ap() {