refactor: alive moved to core

common/combat/alive.trait.js

@@ -1,150 +0,0 @@
-import {
-  behaviorItemFromJSON,
-  buildCondition,
-  buildInvoke,
-  buildTraversal,
-  createContext,
-} from '@avocado/behavior';
-import {compose} from '@avocado/core';
-import {StateProperty, Trait} from '@avocado/entity';
-
-import {TraitAlivePacket} from './trait-alive.packet';
-
-const decorate = compose(
-  StateProperty('life', {
-    track: true,
-  }),
-  StateProperty('maxLife', {
-    track: true,
-  }),
-);
-
-export class Alive extends decorate(Trait) {
-
-  static defaultParams() {
-    const playDeathSound = buildInvoke(['entity', 'playSound'], [
-      buildTraversal(['entity', 'deathSound']),
-    ]);
-    const squeeze = buildInvoke(['entity', 'transition'], [
-      {
-        opacity: 0,
-        visibleScaleX: .3,
-        visibleScaleY: 3,
-      },
-      0.2,
-    ]);
-    const isLifeGone = buildCondition('<=', [
-      buildTraversal(['entity', 'life']),
-      0,
-    ]);
-    return {
-      deathActions: {
-        type: 'actions',
-        traversals: [
-          playDeathSound,
-          squeeze,
-        ],
-      },
-      deathCondition: isLifeGone,
-      deathSound: 'deathSound',
-    };
-  }
-
-  static defaultState() {
-    return {
-      life: 100,
-      maxLife: 100,
-    };
-  }
-
-  static type() {
-    return 'alive';
-  }
-
-  constructor(entity, params, state) {
-    super(entity, params, state);
-    this._context = createContext();
-    this._context.add('entity', this.entity);
-    const actionsJSON = this.params.deathActions;
-    this._deathActions = behaviorItemFromJSON(actionsJSON);
-    this._deathSound = this.params.deathSound;
-    const conditionJSON = this.params.deathCondition;
-    this._deathCondition = behaviorItemFromJSON(conditionJSON);
-    this._isDying = false;
-  }
-
-  destroy() {
-    this._context.clear();
-  }
-
-  acceptPacket(packet) {
-    if (packet instanceof TraitAlivePacket) {
-      this.entity.life = packet.data.life;
-      this.entity.maxLife = packet.data.maxLife;
-    }
-  }
-
-  get deathSound() {
-    return this._deathSound;
-  }
-
-  packetsForUpdate() {
-    return this.createTraitPacketUpdates(TraitAlivePacket);
-  }
-
-  listeners() {
-    return {
-
-      tookDamage: (damage, source) => {
-        if (damage.damageSpec.power > 0) {
-          this.entity.life -= damage.amount;
-        }
-        else {
-          this.entity.life += damage.amount;
-        }
-        // Clamp health between 0 and max.
-        this.entity.life = Math.min(
-          Math.max(0, this.entity.life),
-          this.entity.maxLife
-        );
-      },
-
-    }
-  }
-
-  methods() {
-    return {
-
-      dieIfPossible: () => {
-        if (this._deathCondition.check(this._context)) {
-          this.entity.forceDeath();
-        }
-      },
-
-      forceDeath: () => {
-        if (this._isDying) {
-          return;
-        }
-        this._isDying = true;
-        this.entity.emit('dying');
-        this._deathActions.once('actionsFinished', () => {
-          if (this.entity.is('existent')) {
-            this.entity.destroy();
-          }
-        });
-      },
-
-    };
-  }
-
-  tick(elapsed) {
-    if (this._isDying) {
-      this._deathActions.tick(this._context, elapsed);
-    }
-    else {
-      this.entity.dieIfPossible();
-    }
-  }
-
-}
-

common/combat/trait-alive.packet.js

@@ -1,12 +0,0 @@
-import {EntityPacket} from '@avocado/entity';
-
-export class TraitAlivePacket extends EntityPacket {
-
-  static get schema() {
-    const schema = super.schema;
-    schema.data.life = 'uint16';
-    schema.data.maxLife = 'uint16';
-    return schema;
-  }
-
-}