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feat: spawnRaw and spawnRawAt

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This commit is contained in:
cha0s 2019-10-08 03:24:20 -05:00
parent 0a7c60e8b7
commit 99dc832866
1 changed files with 39 additions and 18 deletions
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57
packages/entity/traits/spawner.trait.js
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@ -43,6 +43,21 @@ export class Spawner extends decorate(Trait) {
this.spawnJSONs = this.params.spawns;
}
augmentJSONWithPosition(json, position) {
if (!json.traits) {
json.traits = {};
}
if (!json.traits.positioned) {
json.traits.positioned = {};
}
if (!json.traits.positioned.state) {
json.traits.positioned.state = {};
}
json.traits.positioned.state.x = position[0];
json.traits.positioned.state.y = position[1];
return json;
}
destinationEntityList() {
if (
this.entity.is('listed')
@ -63,6 +78,9 @@ export class Spawner extends decorate(Trait) {
if (this.maxSpawns <= this.children.length) {
return false;
}
if (!this.destinationEntityList()) {
return false;
}
return true;
}
@ -105,40 +123,43 @@ export class Spawner extends decorate(Trait) {
if (!spawnJSON) {
return;
}
const list = this.destinationEntityList();
if (!list) {
return this.entity.spawnRaw(merge({}, spawnJSON, json));
},
spawnAt: (key, position, json = {}) => {
if (!this.maySpawn()) {
return;
}
json = this.augmentJSONWithPosition(json, position);
return this.entity.spawn(key, json);
},
spawnRaw: (json) => {
if (!this.maySpawn()) {
return;
}
const mergedJSON = merge({}, spawnJSON, json);
// Add null to children to prevent race.
const childIndex = this.children.length;
this.children.push(null);
return Entity.loadOrInstance(mergedJSON).then((child) => {
const list = this.destinationEntityList();
return Entity.loadOrInstance(json).then((child) => {
this.children[childIndex] = child;
// Listen for destroy event.
const listener = this.removeChild.bind(this, child);
this.childrenListeners.set(child, listener);
child.once('destroy', listener);
// Add child to list.
list.addEntity(child);
return child;
});
},
spawnAt: (key, position, json = {}) => {
if (true && !this.maySpawn()) {
spawnRawAt: (position, json = {}) => {
if (!this.maySpawn()) {
return;
}
if (!json.traits) {
json.traits = {};
}
if (!json.traits.positioned) {
json.traits.positioned = {};
}
if (!json.traits.positioned.state) {
json.traits.positioned.state = {};
}
json.traits.positioned.state.x = position[0];
json.traits.positioned.state.y = position[1];
return this.entity.spawn(key, json);
json = this.augmentJSONWithPosition(json, position);
return this.entity.spawnRaw(json);
},
};