Support for unit missiles

annotations/src/main/resources/classids.properties

@@ -26,6 +26,7 @@ mindustry.type.Weather.WeatherStateComp=14
 mindustry.world.blocks.campaign.LaunchPad.LaunchPayloadComp=15
 mindustry.world.blocks.campaign.PayloadLaunchPad.LargeLaunchPayloadComp=34
 mindustry.world.blocks.defense.ForceProjector.ForceDrawComp=22
+missile=39
 mono=16
 nova=17
 oct=26
@@ -36,5 +37,7 @@ quasar=32
 risso=20
 scuttler=35
 spiroct=21
+timed=38
+timedDef=37
 toxopid=33
 vela=25

annotations/src/main/resources/revisions/missile/0.json

@@ -0,0 +1 @@
+{fields:[{name:ammo,type:float},{name:controller,type:mindustry.entities.units.UnitController},{name:elevation,type:float},{name:flag,type:double},{name:health,type:float},{name:isShooting,type:boolean},{name:lifetime,type:float},{name:mineTile,type:mindustry.world.Tile},{name:mounts,type:"mindustry.entities.units.WeaponMount[]"},{name:plans,type:arc.struct.Queue<mindustry.entities.units.BuildPlan>},{name:rotation,type:float},{name:shield,type:float},{name:spawnedByCore,type:boolean},{name:stack,type:mindustry.type.ItemStack},{name:statuses,type:arc.struct.Seq<mindustry.entities.units.StatusEntry>},{name:team,type:mindustry.game.Team},{name:time,type:float},{name:type,type:mindustry.type.UnitType},{name:updateBuilding,type:boolean},{name:vel,type:arc.math.geom.Vec2},{name:x,type:float},{name:y,type:float}]}

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

@@ -0,0 +1,34 @@
+package mindustry.ai.types;
+
+import mindustry.entities.units.*;
+
+public class MissileAI extends AIController{
+
+    //TODO UNPREDICTABLE TARGETING
+    @Override
+    public void updateMovement(){
+        unloadPayloads();
+
+        if(target != null){
+            unit.lookAt(target);
+
+            var build = unit.buildOn();
+
+            //kill instantly on building contact
+            //TODO kill on target unit contact too
+            if(build != null && build == target){
+                unit.kill();
+            }
+        }
+
+        //move forward forever
+        unit.moveAt(vec.trns(unit.rotation, unit.speed()));
+
+    }
+
+    @Override
+    public boolean retarget(){
+        //more frequent retarget. TODO lag?
+        return timer.get(timerTarget, 10f);
+    }
+}

core/src/mindustry/content/UnitTypes.java

@@ -72,6 +72,9 @@ public class UnitTypes{
 
     //endregion
 
+    //missile definition, needed for codegen
+    public static @EntityDef({Unitc.class, TimedKillc.class}) UnitType missile;
+
     //region neoplasm
 
     public static @EntityDef({Unitc.class, Crawlc.class}) UnitType scuttler;
@@ -598,7 +601,11 @@ public class UnitTypes{
                 shootSound = Sounds.explosion;
                 x = shootY = 0f;
                 mirror = false;
-                bullet = new BombBulletType(0f, 0f, "clear"){{
+                bullet = new BulletType(){{
+                    collidesTiles = false;
+                    collides = false;
+                    hitSound = Sounds.explosion;
+
                     hitEffect = Fx.pulverize;
                     lifetime = 10f;
                     speed = 1f;
@@ -1461,7 +1468,6 @@ public class UnitTypes{
             health = 280;
             accel = 0.4f;
             rotateSpeed = 3.3f;
-            trailLength = 20;
             rotateShooting = false;
 
             armor = 2f;
@@ -2413,6 +2419,9 @@ public class UnitTypes{
             }});
         }};
 
+        //endregion
+        //region erekir - core
+
         //TODO bad name
         evoke = new UnitType("evoke"){{
             defaultController = BuilderAI::new;
@@ -2438,8 +2447,8 @@ public class UnitTypes{
             engineSize = 0;
 
             setEnginesMirror(
-                new UnitEngine(21 / 4f, 19 / 4f, 2.2f, 45f),
-                new UnitEngine(23 / 4f, -22 / 4f, 2.2f, 315f)
+            new UnitEngine(21 / 4f, 19 / 4f, 2.2f, 45f),
+            new UnitEngine(23 / 4f, -22 / 4f, 2.2f, 315f)
             );
 
             weapons.add(new Weapon(){{
@@ -2470,6 +2479,30 @@ public class UnitTypes{
                     smokeEffect = Fx.shootBigSmoke;
                     buildingDamageMultiplier = 0.4f;
                 }};
+
+                //TODO REMOVE
+                /*
+                unitSpawned = new MissileUnitType("duo"){{
+                    trailScl = 1.1f;
+                    speed = 3f;
+                    weapons.add(new Weapon(){{
+                        shootOnDeath = true;
+                        bullet = new BulletType(){{
+                            collidesTiles = false;
+                            collides = false;
+                            hitSound = Sounds.explosion;
+
+                            lifetime = 10f;
+                            speed = 1f;
+                            splashDamageRadius = 55f;
+                            instantDisappear = true;
+                            splashDamage = 90f;
+                            killShooter = true;
+                            hittable = false;
+                            collidesAir = true;
+                        }};
+                    }});
+                }};*/
             }});
         }};
 
@@ -2597,8 +2630,6 @@ public class UnitTypes{
                 }});
                 i ++;
             }
-
-
         }};
 
         //endregion

core/src/mindustry/entities/comp/CommanderComp.java

@@ -69,7 +69,7 @@ abstract class CommanderComp implements Entityc, Posc{
         units.clear();
 
         Units.nearby(team, x, y, type.commandRadius, u -> {
-            if(u.isAI() && include.get(u) && u != self() && u.type.flying == type.flying && u.hitSize <= hitSize * 1.1f){
+            if(u.isAI() && include.get(u) && u != self() && u.type.flying == type.flying && u.hitSize <= hitSize * 1.1f && u.type.playerControllable){
                 units.add(u);
             }
         });

core/src/mindustry/entities/comp/PosComp.java

@@ -5,6 +5,7 @@ import arc.util.*;
 import mindustry.annotations.Annotations.*;
 import mindustry.content.*;
 import mindustry.core.*;
+import mindustry.gen.*;
 import mindustry.world.*;
 import mindustry.world.blocks.environment.*;
 
@@ -50,9 +51,9 @@ abstract class PosComp implements Position{
         return tile == null ? Blocks.air : tile.block();
     }
 
-    boolean onSolid(){
-        Tile tile = tileOn();
-        return tile == null || tile.solid();
+    @Nullable
+    Building buildOn(){
+        return world.buildWorld(x, y);
     }
 
     @Nullable
@@ -60,6 +61,11 @@ abstract class PosComp implements Position{
         return world.tileWorld(x, y);
     }
 
+    boolean onSolid(){
+        Tile tile = tileOn();
+        return tile == null || tile.solid();
+    }
+
     @Override
     public float getX(){
         return x;

core/src/mindustry/entities/comp/TimedKillComp.java

@@ -0,0 +1,28 @@
+package mindustry.entities.comp;
+
+import arc.math.*;
+import arc.util.*;
+import mindustry.annotations.Annotations.*;
+import mindustry.gen.*;
+
+//basically just TimedComp but kills instead of removing.
+@Component
+abstract class TimedKillComp implements Entityc, Healthc, Scaled{
+    float time, lifetime;
+
+    //called last so pooling and removal happens then.
+    @MethodPriority(100)
+    @Override
+    public void update(){
+        time = Math.min(time + Time.delta, lifetime);
+
+        if(time >= lifetime){
+            kill();
+        }
+    }
+
+    @Override
+    public float fin(){
+        return time / lifetime;
+    }
+}

core/src/mindustry/entities/comp/TrailComp.java

@@ -1,26 +0,0 @@
-package mindustry.entities.comp;
-
-import arc.math.*;
-import mindustry.annotations.Annotations.*;
-import mindustry.gen.*;
-import mindustry.graphics.*;
-import mindustry.type.*;
-
-@Component
-abstract class TrailComp implements Unitc{
-    @Import UnitType type;
-    @Import float x, y, rotation;
-
-    transient Trail trail = new Trail(6);
-
-    @Override
-    public void update(){
-        trail.length = type.trailLength;
-
-        float scale = elevation();
-        float offset = type.engineOffset/2f + type.engineOffset/2f*scale;
-
-        float cx = x + Angles.trnsx(rotation + 180, offset), cy = y + Angles.trnsy(rotation + 180, offset);
-        trail.update(cx, cy);
-    }
-}

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

@@ -20,6 +20,7 @@ import mindustry.entities.units.*;
 import mindustry.game.EventType.*;
 import mindustry.game.*;
 import mindustry.gen.*;
+import mindustry.graphics.*;
 import mindustry.logic.*;
 import mindustry.type.*;
 import mindustry.ui.*;
@@ -46,6 +47,8 @@ abstract class UnitComp implements Healthc, Physicsc, Hitboxc, Statusc, Teamc, I
     boolean spawnedByCore;
     double flag;
 
+    transient @Nullable Trail trail;
+
     transient float shadowAlpha = -1f;
     transient Seq<Ability> abilities = new Seq<>(0);
     transient float healTime;
@@ -339,6 +342,11 @@ abstract class UnitComp implements Healthc, Physicsc, Hitboxc, Statusc, Teamc, I
     public void remove(){
         team.data().updateCount(type, -1);
         controller.removed(self());
+
+        //make sure trail doesn't just go poof
+        if(trail != null && trail.size() > 0){
+            Fx.trailFade.at(x, y, trail.width(), team.color, trail.copy());
+        }
     }
 
     @Override
@@ -390,6 +398,16 @@ abstract class UnitComp implements Healthc, Physicsc, Hitboxc, Statusc, Teamc, I
             }
         }
 
+        if(trail != null){
+            trail.length = type.trailLength;
+
+            float scale = elevation();
+            float offset = type.engineOffset/2f + type.engineOffset/2f*scale;
+
+            float cx = x + Angles.trnsx(rotation + 180, offset), cy = y + Angles.trnsy(rotation + 180, offset);
+            trail.update(cx, cy);
+        }
+
         drag = type.drag * (isGrounded() ? (floorOn().dragMultiplier) : 1f) * dragMultiplier * state.rules.dragMultiplier;
 
         //apply knockback based on spawns

core/src/mindustry/graphics/Trail.java

@@ -10,7 +10,7 @@ public class Trail{
     public int length;
 
     private final FloatSeq points;
-    private float lastX = -1, lastY = -1, lastAngle = -1, counter = 0f;
+    private float lastX = -1, lastY = -1, lastAngle = -1, counter = 0f, lastW = 0f;
 
     public Trail(int length){
         this.length = length;
@@ -26,6 +26,10 @@ public class Trail{
         return out;
     }
 
+    public float width(){
+        return lastW;
+    }
+
     public void clear(){
         points.clear();
     }
@@ -49,23 +53,43 @@ public class Trail{
     public void draw(Color color, float width){
         Draw.color(color);
         float[] items = points.items;
-        float lx = lastX, ly = lastY, lastAngle = this.lastAngle;
+        float lastAngle = this.lastAngle;
+        float size = width / (points.size / 3);
 
-        for(int i = 0; i < points.size - 3; i+= 3){
-            float x1 = items[i], y1 = items[i + 1], w1 = items[i + 2],
-            x2 = items[i + 3], y2 = items[i + 4], w2 = items[i + 5];
-            float size = width / (points.size/3);
-            float z1 = lastAngle;
-            float z2 = -Angles.angleRad(x2, y2, lx, ly);
+        for(int i = 0; i < points.size; i += 3){
+            float x1 = items[i], y1 = items[i + 1], w1 = items[i + 2];
+            float x2, y2, w2;
+
+            //last position is always lastX/Y/W
+            if(i < points.size - 3){
+                x2 = items[i + 3];
+                y2 = items[i + 4];
+                w2 = items[i + 5];
+            }else{
+                x2 = lastX;
+                y2 = lastY;
+                w2 = lastW;
+            }
+
+            float z2 = -Angles.angleRad(x1, y1, x2, y2);
+            //end of the trail (i = 0) has the same angle as the next.
+            float z1 = i == 0 ? z2 : lastAngle;
             if(w1 <= 0.001f || w2 <= 0.001f) continue;
 
-            float cx = Mathf.sin(z1) * i/3f * size * w1, cy = Mathf.cos(z1) * i/3f * size * w1,
-                nx = Mathf.sin(z2) * (i/3f + 1) * size * w2, ny = Mathf.cos(z2) * (i/3f + 1) * size * w2;
-            Fill.quad(x1 - cx, y1 - cy, x1 + cx, y1 + cy, x2 + nx, y2 + ny, x2 - nx, y2 - ny);
+            float
+                cx = Mathf.sin(z1) * i/3f * size * w1,
+                cy = Mathf.cos(z1) * i/3f * size * w1,
+                nx = Mathf.sin(z2) * (i/3f + 1) * size * w2,
+                ny = Mathf.cos(z2) * (i/3f + 1) * size * w2;
+
+            Fill.quad(
+                x1 - cx, y1 - cy,
+                x1 + cx, y1 + cy,
+                x2 + nx, y2 + ny,
+                x2 - nx, y2 - ny
+            );
 
             lastAngle = z2;
-            lx = x2;
-            ly = y2;
         }
 
         Draw.reset();
@@ -89,19 +113,21 @@ public class Trail{
 
     /** Adds a new point to the trail at intervals. */
     public void update(float x, float y, float width){
-        if((counter += Time.delta) >= 0.99f){
+        //TODO fix longer trails at low FPS
+        if((counter += Time.delta) >= 1f){
             if(points.size > length*3){
                 points.removeRange(0, 2);
             }
 
-            lastAngle = -Angles.angleRad(x, y, lastX, lastY);
-
             points.add(x, y, width);
 
-            lastX = x;
-            lastY = y;
-
-            counter = 0f;
+            counter %= 1f;
         }
+
+        //update last position regardless, so it joins
+        lastAngle = -Angles.angleRad(x, y, lastX, lastY);
+        lastX = x;
+        lastY = y;
+        lastW = width;
     }
 }

core/src/mindustry/type/MissileUnitType.java

@@ -0,0 +1,30 @@
+package mindustry.type;
+
+import mindustry.ai.types.*;
+import mindustry.gen.*;
+import mindustry.world.meta.*;
+
+/** Field template for unit types. No new functionality. */
+public class MissileUnitType extends UnitType{
+
+    public MissileUnitType(String name){
+        super(name);
+
+        playerControllable = false;
+        createWreck = false;
+        logicControllable = false;
+        isCounted = false;
+        useUnitCap = false;
+        allowedInPayloads = false;
+        defaultController = MissileAI::new;
+        flying = true;
+        constructor = TimedKillUnit::create;
+        envEnabled = Env.any;
+        envDisabled = Env.none;
+        trailLength = 7;
+        hidden = true;
+        rotateSpeed = 2f;
+        range = 30f;
+        //TODO weapons, etc
+    }
+}

core/src/mindustry/type/UnitType.java

@@ -43,7 +43,7 @@ public class UnitType extends UnlockableContent{
 
     /** If true, the unit is always at elevation 1. */
     public boolean flying;
-    /** If `flying` and this is true, the unit can appear on the title screen */
+    /** If `flying` and this is true, the unit can appear on the title screen. TODO remove with new menu*/
     public boolean onTitleScreen = true;
     /** Creates a new instance of this unit class. */
     public Prov<? extends Unit> constructor;
@@ -60,6 +60,7 @@ public class UnitType extends UnlockableContent{
     public float speed = 1.1f, boostMultiplier = 1f, rotateSpeed = 5f, baseRotateSpeed = 5f;
     public float drag = 0.3f, accel = 0.5f, landShake = 0f, rippleScale = 1f, riseSpeed = 0.08f, fallSpeed = 0.018f;
     public float health = 200f, range = -1, miningRange = 70f, armor = 0f, maxRange = -1f, buildRange = Vars.buildingRange;
+    public float lifetime = 60f * 5f; //for missiles only
     public float crashDamageMultiplier = 1f;
     public boolean targetAir = true, targetGround = true;
     public boolean faceTarget = true, rotateShooting = true, isCounted = true, lowAltitude = false, circleTarget = false;
@@ -135,7 +136,7 @@ public class UnitType extends UnlockableContent{
     public float lightRadius = -1f, lightOpacity = 0.6f;
     public Color lightColor = Pal.powerLight;
     public boolean drawCell = true, drawItems = true, drawShields = true, drawBody = true;
-    public int trailLength = 3;
+    public int trailLength = 0;
     public float trailX = 4f, trailY = -3f, trailScl = 1f;
     /** Whether the unit can heal blocks. Initialized in init() */
     public boolean canHeal = false;
@@ -182,6 +183,9 @@ public class UnitType extends UnlockableContent{
         unit.ammo = ammoCapacity; //fill up on ammo upon creation
         unit.elevation = flying ? 1f : 0;
         unit.heal();
+        if(unit instanceof TimedKillc u){
+            u.lifetime(lifetime);
+        }
         return unit;
     }
 
@@ -811,9 +815,8 @@ public class UnitType extends UnlockableContent{
         float scale = unit.elevation;
         float offset = engineOffset/2f + engineOffset/2f*scale;
 
-        if(unit instanceof Trailc){
-            Trail trail = ((Trailc)unit).trail();
-            trail.draw(unit.team.color, (engineSize + Mathf.absin(Time.time, 2f, engineSize / 4f) * scale) * trailScl);
+        if(trailLength > 0 && !naval){
+            drawTrail(unit);
         }
 
         Draw.color(engineColor == null ? unit.team.color : engineColor);
@@ -831,6 +834,14 @@ public class UnitType extends UnlockableContent{
         Draw.color();
     }
 
+    public void drawTrail(Unit unit){
+        if(unit.trail == null){
+            unit.trail = new Trail(trailLength);
+        }
+        Trail trail = unit.trail;
+        trail.draw(unit.team.color, (engineSize + Mathf.absin(Time.time, 2f, engineSize / 4f) * unit.elevation) * trailScl);
+    }
+
     public void drawEngines(Unit unit){
         if(!unit.isFlying()) return;
 

core/src/mindustry/type/Weapon.java

@@ -29,6 +29,8 @@ public class Weapon implements Cloneable{
     public String name;
     /** bullet shot */
     public BulletType bullet = Bullets.standardCopper;
+    /** unit, to spawn at bullet, e.g. missile. TODO prevent bullet creation */
+    public @Nullable UnitType unitSpawned;
     /** shell ejection effect */
     public Effect ejectEffect = Fx.none;
     /** whether to consume ammo when ammo is enabled in rules */
@@ -403,13 +405,24 @@ public class Weapon implements Cloneable{
         unit.apply(shootStatus, shootStatusDuration);
     }
 
-    protected Bullet bullet(Unit unit, float shootX, float shootY, float angle, float lifescl){
+    protected @Nullable Bullet bullet(Unit unit, float shootX, float shootY, float angle, float lifescl){
         float xr = Mathf.range(xRand);
+        float
+            x = shootX + Angles.trnsx(angle, 0, xr),
+            y = shootY + Angles.trnsy(angle, 0, xr);
 
-        return bullet.create(unit, unit.team,
-        shootX + Angles.trnsx(angle, 0, xr),
-        shootY + Angles.trnsy(angle, 0, xr),
-        angle, (1f - velocityRnd) + Mathf.random(velocityRnd), lifescl);
+        if(unitSpawned == null){
+            return bullet.create(unit, unit.team, x, y, angle, (1f - velocityRnd) + Mathf.random(velocityRnd), lifescl);
+        }else{
+            Unit spawned = unitSpawned.create(unit.team);
+            spawned.set(x, y);
+            spawned.rotation = angle;
+            //immediately spawn at top speed, since it was launched
+            spawned.vel.trns(angle, unitSpawned.speed);
+            spawned.add();
+            //TODO assign AI target here?
+            return null;
+        }
     }
 
     public Weapon copy(){

core/src/mindustry/world/blocks/defense/DirectionalForceProjector.java

@@ -1,4 +1,18 @@
 package mindustry.world.blocks.defense;
 
-public class DirectionalForceProjector{
+public class DirectionalForceProjector extends ForceProjector{
+
+    public DirectionalForceProjector(String name){
+        super(name);
+
+        consumeCoolant = false;
+    }
+
+    public class DirectionalForceProjectorBuild extends ForceBuild{
+
+        @Override
+        public void deflectBullets(){
+            //TODO
+        }
+    }
 }

core/src/mindustry/world/blocks/defense/ForceProjector.java

@@ -32,13 +32,15 @@ public class ForceProjector extends Block{
     public float cooldownNormal = 1.75f;
     public float cooldownLiquid = 1.5f;
     public float cooldownBrokenBase = 0.35f;
+    public float coolantConsumption = 0.1f;
+    public boolean consumeCoolant = true;
     public Effect absorbEffect = Fx.absorb;
     public Effect shieldBreakEffect = Fx.shieldBreak;
     public @Load("@-top") TextureRegion topRegion;
 
-    static ForceBuild paramEntity;
-    static Effect paramEffect;
-    static final Cons<Bullet> shieldConsumer = trait -> {
+    protected static ForceBuild paramEntity;
+    protected static Effect paramEffect;
+    protected static final Cons<Bullet> shieldConsumer = trait -> {
         if(trait.team != paramEntity.team && trait.type.absorbable && Intersector.isInsideHexagon(paramEntity.x, paramEntity.y, paramEntity.realRadius() * 2f, trait.x(), trait.y())){
             trait.absorb();
             paramEffect.at(trait);
@@ -55,10 +57,13 @@ public class ForceProjector extends Block{
         hasPower = true;
         hasLiquids = true;
         hasItems = true;
+        envEnabled |= Env.space;
         ambientSound = Sounds.shield;
         ambientSoundVolume = 0.08f;
-        consumes.add(new ConsumeCoolant(0.1f)).boost().update(false);
-        envEnabled |= Env.space;
+
+        if(consumeCoolant){
+            consumes.add(new ConsumeCoolant(coolantConsumption)).boost().update(false);
+        }
     }
 
     @Override
@@ -80,12 +85,17 @@ public class ForceProjector extends Block{
 
     @Override
     public void setStats(){
-        stats.timePeriod = phaseUseTime;
+        boolean consItems = consumes.has(ConsumeType.item);
+
+        if(consItems) stats.timePeriod = phaseUseTime;
         super.setStats();
         stats.add(Stat.shieldHealth, shieldHealth, StatUnit.none);
         stats.add(Stat.cooldownTime, (int) (shieldHealth / cooldownBrokenBase / 60f), StatUnit.seconds);
-        stats.add(Stat.boostEffect, phaseRadiusBoost / tilesize, StatUnit.blocks);
-        stats.add(Stat.boostEffect, phaseShieldBoost, StatUnit.shieldHealth);
+
+        if(consItems){
+            stats.add(Stat.boostEffect, phaseRadiusBoost / tilesize, StatUnit.blocks);
+            stats.add(Stat.boostEffect, phaseShieldBoost, StatUnit.shieldHealth);
+        }
     }
 
     @Override
@@ -146,9 +156,9 @@ public class ForceProjector extends Block{
 
             warmup = Mathf.lerpDelta(warmup, efficiency(), 0.1f);
 
-            if(buildup > 0){
+            if(buildup > 0 && consumes.has(ConsumeType.liquid)){
                 float scale = !broken ? cooldownNormal : cooldownBrokenBase;
-                ConsumeLiquidFilter cons = consumes.get(ConsumeType.liquid);
+                Consume cons = consumes.get(ConsumeType.liquid);
                 if(cons.valid(this)){
                     cons.update(this);
                     scale *= (cooldownLiquid * (1f + (liquids.current().heatCapacity - 0.4f) * 0.9f));