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src/crawler_arena/ReinforcementAI.java

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+package ReinforcementAI;
+
+import arc.math.geom.*;
+import mindustry.*;
+import mindustry.ai.*;
+import mindustry.entities.*;
+import mindustry.entities.units.*;
+import mindustry.gen.*;
+import mindustry.world.*;
+import mindustry.world.blocks.distribution.*;
+import mindustry.world.blocks.liquid.*;
+import mindustry.world.meta.*;
+import mindustry.ai.types.*;
+import mindustry.ai.Pathfinder;
+import arc.*;
+import arc.func.*;
+import arc.struct.*;
+import arc.util.*;
+import arc.util.async.*;
+import arc.math.Mathf;
+import mindustry.content.*;
+import mindustry.core.*;
+import mindustry.game.*;
+import mindustry.world.meta.*;
+
+import static mindustry.Vars.*;
+
+public class ReinforcementAI extends GroundAI{
+  static boolean blockedByBlock;
+
+  @Override
+  public void updateUnit(){
+
+      if(Units.invalidateTarget(target, unit.team, unit.x, unit.y, Float.MAX_VALUE)){
+          target = null;
+      }
+
+      if(retarget()){
+          target = target(unit.x, unit.y, unit.range(), unit.type.targetAir, unit.type.targetGround);
+      }
+
+      Building core = unit.closestEnemyCore();
+
+      boolean rotate = false, shoot = false, moveToTarget = false;
+
+      if(!Units.invalidateTarget(target, unit, unit.range()) && unit.hasWeapons()){
+          rotate = true;
+          shoot = unit.within(target, unit.type.weapons.first().bullet.range() +
+              (target instanceof Building ? 1.5f * Vars.tilesize / 2f : ((Hitboxc)target).hitSize() / 2f));
+
+          if(unit.type.hasWeapons()){
+              unit.aimLook(Predict.intercept(unit, target, unit.type.weapons.first().bullet.speed));
+          };
+      };
+      if(Math.abs(unit.x - world.width() * 4) > 120){
+          unit.moveAt(new Vec2().trns(Mathf.atan2(world.width() * 4 - unit.x, world.height() * 4 - unit.y), unit.speed()));
+      };
+      if(unit.moving()) unit.lookAt(unit.vel().angle());
+      unit.controlWeapons(rotate, shoot);
+  }
+
+  @Override
+  public Teamc target(float x, float y, float range, boolean air, boolean ground){
+      return Units.closestTarget(unit.team, x, y, range, u -> u.checkTarget(air, ground), t -> ground &&
+          !(t.block instanceof Conveyor || t.block instanceof Conduit)); //do not target conveyors/conduits
+  }
+}