Added basic ground AI

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

@@ -36,10 +36,6 @@ abstract class FlyingComp implements Posc, Velc, Healthc, Hitboxc{
         y += Mathf.cos(Time.time() + id() * 99, 25f, 0.05f) * Time.delta() * elevation;
     }
 
-    void moveAt(Vec2 vector){
-        moveAt(vector, 1f);
-    }
-
     void moveAt(Vec2 vector, float acceleration){
         Vec2 t = Tmp.v3.set(vector).scl(floorSpeedMultiplier()); //target vector
         Tmp.v1.set(t).sub(vel).limit(acceleration * vector.len()); //delta vector

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

@@ -13,8 +13,11 @@ abstract class TeamComp implements Posc{
 
     Team team = Team.derelict;
 
-    public @Nullable
-    Tilec closestCore(){
+    public @Nullable Tilec closestCore(){
         return state.teams.closestCore(x, y, team);
     }
+
+    public @Nullable Tilec closestEnemyCore(){
+        return state.teams.closestEnemyCore(x, y, team);
+    }
 }

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

@@ -25,6 +25,15 @@ abstract class UnitComp implements Healthc, Velc, Statusc, Teamc, Itemsc, Hitbox
     private UnitController controller;
     private UnitType type;
 
+    public void moveAt(Vec2 vector){
+        moveAt(vector, type.accel);
+    }
+
+    public void aimLook(Position pos){
+        aim(pos);
+        lookAt(pos);
+    }
+
     @Override
     public float clipSize(){
         return type.region.getWidth() * 2f;

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

@@ -21,11 +21,14 @@ abstract class WeaponsComp implements Teamc, Posc, Rotc{
 
     /** weapon mount array, never null */
     @ReadOnly WeaponMount[] mounts = {};
+    @ReadOnly float range;
 
     void setupWeapons(UnitType def){
         mounts = new WeaponMount[def.weapons.size];
+        range = 0f;
         for(int i = 0; i < mounts.length; i++){
             mounts[i] = new WeaponMount(def.weapons.get(i));
+            range = Math.max(range, def.weapons.get(i).bullet.range());
         }
     }
 

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

@@ -1,12 +1,43 @@
 package mindustry.entities.units;
 
-import arc.math.*;
+import arc.math.geom.*;
+import arc.util.*;
+import mindustry.entities.*;
 import mindustry.gen.*;
 
 public class AIController implements UnitController{
-    protected Unitc unit;
+    protected static final Vec2 vec = new Vec2();
+    protected static final int timerTarget = 0;
 
-    float rot = Mathf.random(360f);
+    protected Unitc unit;
+    protected Teamc target;
+    protected Interval timer = new Interval(4);
+
+    @Override
+    public void update(){
+        targeting();
+        behavior();
+    }
+
+    protected boolean retarget(){
+        return timer.get(timerTarget, 20);
+    }
+
+    protected void targetClosest(){
+        Teamc newTarget = Units.closestTarget(unit.team(), unit.x(), unit.y(), Math.max(unit.range(), unit.type().range), u -> unit.type().targetAir || !u.isFlying());
+        if(newTarget != null){
+            target = newTarget;
+        }
+    }
+
+
+    public void targeting(){
+
+    }
+
+    public void behavior(){
+
+    }
 
     @Override
     public void unit(Unitc unit){
@@ -17,15 +48,4 @@ public class AIController implements UnitController{
     public Unitc unit(){
         return unit;
     }
-
-    @Override
-    public void update(){
-        //TODO implement
-        //rot += Mathf.range(3f) * Time.delta();
-
-        //unit.moveAt(Tmp.v1.trns(rot, unit.type().speed));
-        //if(!unit.vel().isZero()){
-        //    unit.lookAt(unit.vel().angle());
-        //}
-    }
 }