Added basic flying AI

core/src/mindustry/ai/types/FlyingAI.java

@@ -1,7 +1,98 @@
 package mindustry.ai.types;
 
+import arc.math.*;
+import arc.math.geom.*;
+import arc.util.*;
+import mindustry.*;
+import mindustry.entities.*;
 import mindustry.entities.units.*;
+import mindustry.world.meta.*;
 
 public class FlyingAI extends AIController{
 
+    @Override
+    public void update(){
+        unit.rotation(unit.vel().angle());
+
+        if(Units.invalidateTarget(target, unit.team(), unit.x(), unit.y())){
+            target = null;
+        }
+
+        if(retarget()){
+            targetClosest();
+
+            if(target == null) targetClosestEnemyFlag(BlockFlag.producer);
+            if(target == null) targetClosestEnemyFlag(BlockFlag.turret);
+        }
+
+        boolean shoot = false;
+
+        if(target != null){
+            attack(40f);
+
+            shoot = unit.inRange(target);
+
+            if(shoot && unit.type().hasWeapons()){
+                Vec2 to = Predict.intercept(unit, target, unit.type().weapons.first().bullet.speed);
+                unit.aim(to);
+            }
+        }else{
+            target = unit.closestCore();
+            moveTo(Vars.state.rules.dropZoneRadius + 120f);
+        }
+
+        unit.controlWeapons(shoot, shoot);
+    }
+
+    protected void circle(float circleLength){
+        circle(circleLength, unit.type().speed);
+    }
+
+    protected void circle(float circleLength, float speed){
+        if(target == null) return;
+
+        vec.set(target).sub(unit);
+
+        if(vec.len() < circleLength){
+            vec.rotate((circleLength - vec.len()) / circleLength * 180f);
+        }
+
+        vec.setLength(speed * Time.delta());
+
+        unit.moveAt(vec);
+    }
+
+    protected void moveTo(float circleLength){
+        if(target == null) return;
+
+        vec.set(target).sub(unit);
+
+        float length = circleLength <= 0.001f ? 1f : Mathf.clamp((unit.dst(target) - circleLength) / 100f, -1f, 1f);
+
+        vec.setLength(unit.type().speed * Time.delta() * length);
+        if(length < -0.5f){
+            vec.rotate(180f);
+        }else if(length < 0){
+            vec.setZero();
+        }
+
+        unit.moveAt(vec);
+    }
+
+    protected void attack(float circleLength){
+        vec.set(target).sub(unit);
+
+        float ang = unit.angleTo(target);
+        float diff = Angles.angleDist(ang, unit.rotation());
+
+        if(diff > 100f && vec.len() < circleLength){
+            vec.setAngle(unit.vel().angle());
+        }else{
+            vec.setAngle(Mathf.slerpDelta(unit.vel().angle(), vec.angle(), 0.44f));
+        }
+
+        vec.setLength(unit.type().speed * Time.delta());
+
+        unit.moveAt(vec);
+    }
 }

core/src/mindustry/ai/types/GroundAI.java

@@ -13,7 +13,20 @@ import static mindustry.Vars.pathfinder;
 public class GroundAI extends AIController{
 
     @Override
-    public void behavior(){
+    public void update(){
+        if(Units.invalidateTarget(target, unit.team(), unit.x(), unit.y(), Float.MAX_VALUE)){
+            target = null;
+
+            //TODO this is hacky, cleanup
+            if(unit instanceof Legsc){
+                unit.lookAt(((Legsc)unit).baseRotation());
+            }
+        }
+
+        if(retarget()){
+            targetClosest();
+        }
+
         //attack
         Tilec core = unit.closestEnemyCore();
 
@@ -43,23 +56,6 @@ public class GroundAI extends AIController{
         unit.controlWeapons(rotate, shoot);
     }
 
-    @Override
-    public void targeting(){
-
-        if(Units.invalidateTarget(target, unit.team(), unit.x(), unit.y(), Float.MAX_VALUE)){
-            target = null;
-
-            //TODO this is hacky, cleanup
-            if(unit instanceof Legsc){
-                unit.lookAt(((Legsc)unit).baseRotation());
-            }
-        }
-
-        if(retarget()){
-            targetClosest();
-        }
-    }
-
     protected void moveToCore(PathTarget path){
         Tile tile = unit.tileOn();
         if(tile == null) return;

core/src/mindustry/entities/def/WeaponsComp.java

@@ -23,6 +23,10 @@ abstract class WeaponsComp implements Teamc, Posc, Rotc{
     @ReadOnly WeaponMount[] mounts = {};
     @ReadOnly float range;
 
+    boolean inRange(Position other){
+        return within(other, range);
+    }
+
     void setupWeapons(UnitType def){
         mounts = new WeaponMount[def.weapons.size];
         range = 0f;

core/src/mindustry/entities/units/AIController.java

@@ -4,6 +4,10 @@ import arc.math.geom.*;
 import arc.util.*;
 import mindustry.entities.*;
 import mindustry.gen.*;
+import mindustry.world.*;
+import mindustry.world.meta.*;
+
+import static mindustry.Vars.indexer;
 
 public class AIController implements UnitController{
     protected static final Vec2 vec = new Vec2();
@@ -15,8 +19,17 @@ public class AIController implements UnitController{
 
     @Override
     public void update(){
-        targeting();
-        behavior();
+
+    }
+
+    protected void targetClosestAllyFlag(BlockFlag flag){
+        Tile target = Geometry.findClosest(unit.x(), unit.y(), indexer.getAllied(unit.team(), flag));
+        if(target != null) this.target = target.entity;
+    }
+
+    protected void targetClosestEnemyFlag(BlockFlag flag){
+        Tile target = Geometry.findClosest(unit.x(), unit.y(), indexer.getEnemy(unit.team(), flag));
+        if(target != null) this.target = target.entity;
     }
 
     protected boolean retarget(){
@@ -30,15 +43,6 @@ public class AIController implements UnitController{
         }
     }
 
-
-    public void targeting(){
-
-    }
-
-    public void behavior(){
-
-    }
-
     @Override
     public void unit(Unitc unit){
         this.unit = unit;

gradle.properties

@@ -1,3 +1,3 @@
 org.gradle.daemon=true
 org.gradle.jvmargs=-Xms256m -Xmx1024m
-archash=f0eda1168b1230b6ce6c7ecee6b51eaf2048d856
+archash=ff7229bd2071e3fabb9bdc0b18ef6ca90e3200f7