Informatis/src/unitinfo/ui/draws/UtilDraw.java

package unitinfo.ui.draws;

import arc.input.KeyCode;
import arc.math.Angles;
import arc.math.geom.Geometry;
import arc.scene.style.TextureRegionDrawable;
import mindustry.entities.Units;
import mindustry.game.Team;
import mindustry.gen.*;
import mindustry.logic.Ranged;
import mindustry.world.blocks.ControlBlock;
import mindustry.world.blocks.defense.turrets.Turret;

import static arc.Core.*;
import static mindustry.Vars.*;

public class UtilDraw extends OverDraw {
    Teamc shotTarget;

    UtilDraw(String name, TextureRegionDrawable icon) {
        super(name, icon);
        registerOption("autoShooting");

    }

    @Override
    public void draw() {
        super.draw();

        if(!enabled) return;
        if(settings.getBool("autoShooting")) {
            Unit unit = player.unit();
            if (unit.type == null) return;
            boolean omni = unit.type.omniMovement;
            boolean validHealTarget = unit.type.canHeal && shotTarget instanceof Building b && b.isValid() && b.damaged() && shotTarget.team() == unit.team && shotTarget.within(unit, unit.type.range);
            boolean boosted = (unit instanceof Mechc && unit.isFlying());
            if ((unit.type != null && Units.invalidateTarget(shotTarget, unit, unit.type.range) && !validHealTarget) || state.isEditor()) {
                shotTarget = null;
            }

            float mouseAngle = unit.angleTo(unit.aimX(), unit.aimY());
            boolean aimCursor = omni && player.shooting && unit.type.hasWeapons() && unit.type.faceTarget && !boosted && unit.type.rotateShooting;
            unit.lookAt(aimCursor ? mouseAngle : unit.prefRotation());

            //update shooting if not building + not mining
            if(!player.unit().activelyBuilding() && player.unit().mineTile == null) {
                if(input.keyDown(KeyCode.mouseLeft)) {
                    player.shooting = !boosted;
                    unit.aim(player.mouseX = input.mouseWorldX(), player.mouseY = input.mouseWorldY());
                } else if(shotTarget == null) {
                    player.shooting = false;
                    if(unit instanceof BlockUnitUnit b) {
                        if(b.tile() instanceof ControlBlock c && !c.shouldAutoTarget()) {
                            Building build = b.tile();
                            float range = build instanceof Ranged ? ((Ranged) build).range() : 0f;
                            boolean targetGround = build instanceof Turret.TurretBuild && ((Turret) build.block).targetAir;
                            boolean targetAir = build instanceof Turret.TurretBuild && ((Turret) build.block).targetGround;
                            shotTarget = Units.closestTarget(build.team, build.x, build.y, range, u -> u.checkTarget(targetAir, targetGround), u -> targetGround);
                        }
                        else shotTarget = null;
                    } else if(unit.type != null) {
                        float range = unit.hasWeapons() ? unit.range() : 0f;
                        shotTarget = Units.closestTarget(unit.team, unit.x, unit.y, range, u -> u.checkTarget(unit.type.targetAir, unit.type.targetGround), u -> unit.type.targetGround);

                        if(unit.type.canHeal && shotTarget == null) {
                            shotTarget = Geometry.findClosest(unit.x, unit.y, indexer.getDamaged(Team.sharded));
                            if (shotTarget != null && !unit.within(shotTarget, range)) {
                                shotTarget = null;
                            }
                        }
                    }
                } else {
                    player.shooting = !boosted;
                    unit.rotation(Angles.angle(unit.x, unit.y, shotTarget.x(), shotTarget.y()));
                    unit.aim(shotTarget.x(), shotTarget.y());
                }
            }
            unit.controlWeapons(player.shooting && !boosted);
        }
    }

}