refactor: isDying StateProperty

packages/behavior/traits/behaved.trait.js

@@ -62,8 +62,8 @@ export class Behaved extends decorate(Trait) {
         this.updateCurrentRoutine(currentRoutine);
       },
 
-      dying: () => {
-        this.entity.isBehaving = false;
+      isDyingChanged: (_, isDying) => {
+        this.entity.isBehaving = !isDying;
       },
 
     };

packages/entity/traits/alive.trait.js

@@ -12,6 +12,9 @@ import {DiedPacket} from '../packets/died.packet';
 import {TraitUpdateAlivePacket} from '../packets/trait-update-alive.packet';
 
 const decorate = compose(
+  StateProperty('isDying', {
+    track: true,
+  }),
   StateProperty('life', {
     track: true,
   }),
@@ -140,10 +143,7 @@ export class Alive extends decorate(Trait) {
         if (this._dyingTickingPromise) {
           return;
         }
-        this.entity.emit('dying');
-        this.state.isDying = true;
-        this.entity._fastDirtyCheck = true;
-        this._fastDirtyCheck = true;
+        this.entity.isDying = true;
         this._dyingTickingPromise = this._deathActions.tickingPromise(
           this._context
         )

packages/entity/traits/spawner.trait.js

@@ -100,8 +100,8 @@ export class Spawner extends decorate(Trait) {
   listeners() {
     return {
 
-      dying: () => {
-        this.isSpawning = false;
+      isDyingChanged: (_, isDying) => {
+        this.isSpawning = !isDying;
       },
 
     };

packages/physics/traits/physical.trait.js

@@ -97,8 +97,8 @@ export class Physical extends decorate(Trait) {
         }
       },
 
-      dying: () => {
-        this.entity.addedToPhysics = false;
+      isDyingChanged: (_, isDying) => {
+        this.entity.addedToPhysics = !isDying;
       },
 
       positionChanged: () => {

packages/timing/traits/animated.trait.js

@@ -250,8 +250,8 @@ export class Animated extends decorate(Trait) {
         }
       },
 
-      dying: () => {
-        this.isAnimating = false;
+      isDyingChanged: (_, isDying) => {
+        this.isAnimating = !isDying;
       },
 
       visibleScaleChanged: () => {