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refactor: ecs

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cha0s 2022-09-15 09:17:15 -05:00
parent da6d15e910
commit 39a681dba4
1 changed files with 27 additions and 25 deletions
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52
packages/ecs/src/ecs.js
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@ -18,12 +18,7 @@ export default class Ecs {
constructor(Components) { constructor(Components) {
for (const i in Components) { for (const i in Components) {
const comp = new Components[i](); this.Components[i] = this.trackDirtyEntities(Components[i]);
comp.setDirty = (entity) => {
comp.$$dirty = true;
this.dirty.add(entity);
};
this.Components[i] = comp;
} }
} }
@ -146,25 +141,24 @@ export default class Ecs {
} }
destroyMany(entities) { destroyMany(entities) {
const map = {}; const destroying = {};
for (let i = 0; i < entities.length; i++) { for (let i = 0; i < entities.length; i++) {
const entity = entities[i]; const entity = entities[i];
if (!this.$$entities[entity]) { if (!this.$$entities[entity]) {
throw new Error(`can't destroy non-existent entity ${entity}`); throw new Error(`can't destroy non-existent entity ${entity}`);
} }
for (let j = 0; j < this.$$entities[entity].length; j++) { for (let j = 0; j < this.$$entities[entity].length; j++) {
const key = this.$$entities[entity][j]; const component = this.$$entities[entity][j];
if (!map[key]) { if (!destroying[component]) {
map[key] = []; destroying[component] = [];
} }
map[key].push(entity); destroying[component].push(entity);
} }
this.$$pool.push(entity); this.$$pool.push(entity);
delete this.$$entities[entity]; delete this.$$entities[entity];
this.dirty.delete(entity);
} }
for (const i in map) { for (const i in destroying) {
this.Components[i].destroyMany(map[i]); this.Components[i].destroyMany(destroying[i]);
} }
for (let i = 0; i < this.$$systems.length; i++) { for (let i = 0; i < this.$$systems.length; i++) {
this.$$systems[i].deindex(entities); this.$$systems[i].deindex(entities);
@ -189,14 +183,13 @@ export default class Ecs {
entity = entities[i]; entity = entities[i];
} }
if (onlyDirty && !this.dirty.has(entity)) { if (onlyDirty && !this.dirty.has(entity)) {
// eslint-disable-next-line no-continue
continue; continue;
} }
view.setBigUint64(cursor, BigInt(entity), true); view.setBigUint64(cursor, BigInt(entity), true);
cursor += 8; cursor += 8;
const components = this.$$entities[entity]; const components = this.$$entities[entity];
view.setUint16(cursor, components.length, true); view.setUint16(cursor, components.length, true);
const componentLengthIndex = cursor; const componentsWrittenIndex = cursor;
cursor += 2; cursor += 2;
if (0 === components.length) { if (0 === components.length) {
continue; continue;
@ -215,7 +208,7 @@ export default class Ecs {
instance.serializer.encode(source, view, cursor); instance.serializer.encode(source, view, cursor);
cursor += instance.schema.sizeOf(source); cursor += instance.schema.sizeOf(source);
} }
view.setUint16(componentLengthIndex, componentsWritten, true); view.setUint16(componentsWrittenIndex, componentsWritten, true);
} }
} }
@ -256,6 +249,13 @@ export default class Ecs {
} }
} }
setClean() {
for (const i in this.Components) {
this.Components[i].setClean();
}
this.dirty.clear();
}
sizeOf(entities, onlyDirty) { sizeOf(entities, onlyDirty) {
let size = 0; let size = 0;
if (0 === entities.length) { if (0 === entities.length) {
@ -294,16 +294,9 @@ export default class Ecs {
} }
} }
tickClean() {
for (const i in this.Components) {
this.Components[i].setClean();
}
this.dirty.clear();
}
tickFinalize() { tickFinalize() {
this.tickDestruction(); this.tickDestruction();
this.tickClean(); this.setClean();
} }
tickDestruction() { tickDestruction() {
@ -320,4 +313,13 @@ export default class Ecs {
} }
} }
trackDirtyEntities(Component) {
const component = new Component();
component.setDirty = (entity) => {
component.$$dirty = true;
this.dirty.add(entity);
};
return component;
}
} }