bitecs - npm Package Compare versions

Comparing version 0.3.1 to 0.3.2-a

dist/index.d.ts

@@ -73,4 +73,4 @@ declare module 'bitecs' {
   export function Not (c: (IComponent | IComponentProp)[]): (world: IWorld) => IComponent | IComponentProp
-  export function enterQuery (world: IWorld, query: Query, fn: (eid: number) => void): void
-  export function exitQuery (world: IWorld, query: Query, fn: (eid: number) => void): void
+  export function enterQuery (query: Query): Query
+  export function exitQuery (query: Query): Query
   export function commitRemovals (world: IWorld): void
@@ -77,0 +77,0 @@ export function defineSystem (update: (world: IWorld) => void): System

dist/index.es.js

@@ -40,4 +40,2 @@ const TYPES_ENUM = {
 
-const roundToMultiple4 = x => Math.ceil(x / 4) * 4;
-
 const $storeRef = Symbol('storeRef');
@@ -48,2 +46,3 @@ const $storeSize = Symbol('storeSize');
 const $storeBase = Symbol('storeBase');
+const $storeType = Symbol('storeType');
 const $storeArrayCounts = Symbol('storeArrayCount');
@@ -79,22 +78,30 @@ const $storeSubarrays = Symbol('storeSubarrays');
 
-const resizeSubarrays = (store, size) => {
-  const cursors = store[$subarrayCursors] = {};
-  Object.keys(store[$storeSubarrays]).forEach(type => {
-    const arrayCount = store[$storeArrayCounts];
+const resizeSubarrays = (metadata, size) => {
+  Object.keys(metadata[$subarrayCursors]).forEach(k => {
+    metadata[$subarrayCursors][k] = 0;
+  });
+  const cursors = metadata[$subarrayCursors];
+  metadata[$storeFlattened].filter(store => !ArrayBuffer.isView(store)).forEach(store => {
+    const type = store[$storeType];
     const length = store[0].length;
-    const summedBytesPerElement = Array(arrayCount).fill(0).reduce((a, p) => a + TYPES[type].BYTES_PER_ELEMENT, 0);
-    const summedLength = Array(arrayCount).fill(0).reduce((a, p) => a + length, 0);
-    const buffer = new ArrayBuffer(roundToMultiple4(summedBytesPerElement * summedLength * size));
-    const array = new TYPES[type](buffer);
-    array.set(store[$storeSubarrays][type].buffer, 0);
-    store[$storeSubarrays][type] = array;
-    store[$storeSubarrays][type][$queryShadow] = array.slice(0);
-    store[$storeSubarrays][type][$serializeShadow] = array.slice(0);
+    const arrayCount = metadata[$storeArrayCounts][type];
+    const summedLength = Array(arrayCount).fill(0).reduce((a, p) => a + length, 0); // for threaded impl
+    // const summedBytesPerElement = Array(arrayCount).fill(0).reduce((a, p) => a + TYPES[type].BYTES_PER_ELEMENT, 0)
+    // const totalBytes = roundToMultiple4(summedBytesPerElement * summedLength * size)
+    // const buffer = new ArrayBuffer(totalBytes)
 
+    const array = new TYPES[type](summedLength * size);
+    array.set(metadata[$storeSubarrays][type]);
+    metadata[$storeSubarrays][type] = array;
+    metadata[$storeSubarrays][type][$queryShadow] = array.slice(0);
+    metadata[$storeSubarrays][type][$serializeShadow] = array.slice(0);
+
     for (let eid = 0; eid < size; eid++) {
       const from = cursors[type] + eid * length;
       const to = from + length;
-      store[eid] = store[$storeSubarrays][type].subarray(from, to);
-      store[eid][$queryShadow] = store[$storeSubarrays][type][$queryShadow].subarray(from, to);
-      store[eid][$serializeShadow] = store[$storeSubarrays][type][$serializeShadow].subarray(from, to);
+      store[eid] = metadata[$storeSubarrays][type].subarray(from, to);
+      store[eid].from = from;
+      store[eid].to = to;
+      store[eid][$queryShadow] = metadata[$storeSubarrays][type][$queryShadow].subarray(from, to);
+      store[eid][$serializeShadow] = metadata[$storeSubarrays][type][$serializeShadow].subarray(from, to);
       store[eid][$subarray] = true;
@@ -127,2 +134,3 @@ store[eid][$indexType] = array[$indexType];
   const store = Array(size).fill(0);
+  store[$storeType] = type;
   const cursors = metadata[$subarrayCursors];
@@ -176,3 +184,3 @@ const indexType = length < UNSIGNED_MAX.uint8 ? 'ui8' : length < UNSIGNED_MAX.uint16 ? 'ui16' : 'ui32';
 
-const createStore = (schema, size = 1000000) => {
+const createStore = (schema, size = 10000) => {
   const $store = Symbol('store');
@@ -278,3 +286,6 @@ if (!schema) return {};
 const addEntity = world => {
-  const enabled = world[$entityEnabled]; // if data stores are 80% full
+  const enabled = world[$entityEnabled];
+  const eid = removed.length > 0 ? removed.shift() : globalEntityCursor++;
+  enabled[eid] = 1;
+  world[$entityIndices][eid] = world[$entityArray].push(eid) - 1; // if data stores are 80% full
 
@@ -287,8 +298,5 @@ if (globalEntityCursor >= world[$warningSize]) {
     world[$warningSize] = world[$size] - world[$size] / 5;
+    console.info(`👾 bitECS - resizing world from ${size} to ${size + amount}`);
   }
 
-  const eid = removed.length > 0 ? removed.pop() : globalEntityCursor;
-  enabled[eid] = 1;
-  globalEntityCursor++;
-  world[$entityIndices][eid] = world[$entityArray].push(eid) - 1;
   return eid;
@@ -628,5 +636,6 @@ };
 const $bitflag = Symbol('bitflag');
-const createWorld = (size = 1000000) => {
+const createWorld = (size = 10000) => {
   const world = {};
   world[$size] = size;
+  world[$warningSize] = size - size / 5;
   world[$entityEnabled] = new Uint8Array(size);
@@ -641,8 +650,15 @@ world[$entityMasks] = [new Uint32Array(size)];
   world[$dirtyQueries] = new Set();
-  world[$warningSize] = size - size / 5;
   return world;
 };
 
-const defineSystem = update => {
+const defineSystem = (fn1, fn2) => {
+  const update = fn2 !== undefined ? fn2 : fn1;
+  let init = false;
+
   const system = world => {
+    if (!init && fn2 !== undefined) {
+      fn1(world);
+      init = true;
+    }
+
     update(world);
@@ -686,3 +702,3 @@ commitRemovals(world);
 
-const defineSerializer = (target, maxBytes = 20_000_000) => {
+const defineSerializer = (target, maxBytes = 20000000) => {
   const isWorld = Object.getOwnPropertySymbols(target).includes($componentMap);
@@ -689,0 +705,0 @@ let [componentProps, changedProps] = canonicalize(target); // TODO: calculate max bytes based on target

dist/index.js

@@ -44,4 +44,2 @@ 'use strict';
 
-const roundToMultiple4 = x => Math.ceil(x / 4) * 4;
-
 const $storeRef = Symbol('storeRef');
@@ -52,2 +50,3 @@ const $storeSize = Symbol('storeSize');
 const $storeBase = Symbol('storeBase');
+const $storeType = Symbol('storeType');
 const $storeArrayCounts = Symbol('storeArrayCount');
@@ -83,22 +82,30 @@ const $storeSubarrays = Symbol('storeSubarrays');
 
-const resizeSubarrays = (store, size) => {
-  const cursors = store[$subarrayCursors] = {};
-  Object.keys(store[$storeSubarrays]).forEach(type => {
-    const arrayCount = store[$storeArrayCounts];
+const resizeSubarrays = (metadata, size) => {
+  Object.keys(metadata[$subarrayCursors]).forEach(k => {
+    metadata[$subarrayCursors][k] = 0;
+  });
+  const cursors = metadata[$subarrayCursors];
+  metadata[$storeFlattened].filter(store => !ArrayBuffer.isView(store)).forEach(store => {
+    const type = store[$storeType];
     const length = store[0].length;
-    const summedBytesPerElement = Array(arrayCount).fill(0).reduce((a, p) => a + TYPES[type].BYTES_PER_ELEMENT, 0);
-    const summedLength = Array(arrayCount).fill(0).reduce((a, p) => a + length, 0);
-    const buffer = new ArrayBuffer(roundToMultiple4(summedBytesPerElement * summedLength * size));
-    const array = new TYPES[type](buffer);
-    array.set(store[$storeSubarrays][type].buffer, 0);
-    store[$storeSubarrays][type] = array;
-    store[$storeSubarrays][type][$queryShadow] = array.slice(0);
-    store[$storeSubarrays][type][$serializeShadow] = array.slice(0);
+    const arrayCount = metadata[$storeArrayCounts][type];
+    const summedLength = Array(arrayCount).fill(0).reduce((a, p) => a + length, 0); // for threaded impl
+    // const summedBytesPerElement = Array(arrayCount).fill(0).reduce((a, p) => a + TYPES[type].BYTES_PER_ELEMENT, 0)
+    // const totalBytes = roundToMultiple4(summedBytesPerElement * summedLength * size)
+    // const buffer = new ArrayBuffer(totalBytes)
 
+    const array = new TYPES[type](summedLength * size);
+    array.set(metadata[$storeSubarrays][type]);
+    metadata[$storeSubarrays][type] = array;
+    metadata[$storeSubarrays][type][$queryShadow] = array.slice(0);
+    metadata[$storeSubarrays][type][$serializeShadow] = array.slice(0);
+
     for (let eid = 0; eid < size; eid++) {
       const from = cursors[type] + eid * length;
       const to = from + length;
-      store[eid] = store[$storeSubarrays][type].subarray(from, to);
-      store[eid][$queryShadow] = store[$storeSubarrays][type][$queryShadow].subarray(from, to);
-      store[eid][$serializeShadow] = store[$storeSubarrays][type][$serializeShadow].subarray(from, to);
+      store[eid] = metadata[$storeSubarrays][type].subarray(from, to);
+      store[eid].from = from;
+      store[eid].to = to;
+      store[eid][$queryShadow] = metadata[$storeSubarrays][type][$queryShadow].subarray(from, to);
+      store[eid][$serializeShadow] = metadata[$storeSubarrays][type][$serializeShadow].subarray(from, to);
       store[eid][$subarray] = true;
@@ -131,2 +138,3 @@ store[eid][$indexType] = array[$indexType];
   const store = Array(size).fill(0);
+  store[$storeType] = type;
   const cursors = metadata[$subarrayCursors];
@@ -180,3 +188,3 @@ const indexType = length < UNSIGNED_MAX.uint8 ? 'ui8' : length < UNSIGNED_MAX.uint16 ? 'ui16' : 'ui32';
 
-const createStore = (schema, size = 1000000) => {
+const createStore = (schema, size = 10000) => {
   const $store = Symbol('store');
@@ -282,3 +290,6 @@ if (!schema) return {};
 const addEntity = world => {
-  const enabled = world[$entityEnabled]; // if data stores are 80% full
+  const enabled = world[$entityEnabled];
+  const eid = removed.length > 0 ? removed.shift() : globalEntityCursor++;
+  enabled[eid] = 1;
+  world[$entityIndices][eid] = world[$entityArray].push(eid) - 1; // if data stores are 80% full
 
@@ -291,8 +302,5 @@ if (globalEntityCursor >= world[$warningSize]) {
     world[$warningSize] = world[$size] - world[$size] / 5;
+    console.info(`👾 bitECS - resizing world from ${size} to ${size + amount}`);
   }
 
-  const eid = removed.length > 0 ? removed.pop() : globalEntityCursor;
-  enabled[eid] = 1;
-  globalEntityCursor++;
-  world[$entityIndices][eid] = world[$entityArray].push(eid) - 1;
   return eid;
@@ -632,5 +640,6 @@ };
 const $bitflag = Symbol('bitflag');
-const createWorld = (size = 1000000) => {
+const createWorld = (size = 10000) => {
   const world = {};
   world[$size] = size;
+  world[$warningSize] = size - size / 5;
   world[$entityEnabled] = new Uint8Array(size);
@@ -645,8 +654,15 @@ world[$entityMasks] = [new Uint32Array(size)];
   world[$dirtyQueries] = new Set();
-  world[$warningSize] = size - size / 5;
   return world;
 };
 
-const defineSystem = update => {
+const defineSystem = (fn1, fn2) => {
+  const update = fn2 !== undefined ? fn2 : fn1;
+  let init = false;
+
   const system = world => {
+    if (!init && fn2 !== undefined) {
+      fn1(world);
+      init = true;
+    }
+
     update(world);
@@ -690,3 +706,3 @@ commitRemovals(world);
 
-const defineSerializer = (target, maxBytes = 20_000_000) => {
+const defineSerializer = (target, maxBytes = 20000000) => {
   const isWorld = Object.getOwnPropertySymbols(target).includes($componentMap);
@@ -693,0 +709,0 @@ let [componentProps, changedProps] = canonicalize(target); // TODO: calculate max bytes based on target

index.d.ts

@@ -73,4 +73,4 @@ declare module 'bitecs' {
   export function Not (c: (IComponent | IComponentProp)[]): (world: IWorld) => IComponent | IComponentProp
-  export function enterQuery (world: IWorld, query: Query, fn: (eid: number) => void): void
-  export function exitQuery (world: IWorld, query: Query, fn: (eid: number) => void): void
+  export function enterQuery (query: Query): Query
+  export function exitQuery (query: Query): Query
   export function commitRemovals (world: IWorld): void
@@ -77,0 +77,0 @@ export function defineSystem (update: (world: IWorld) => void): System

package.json

 {
   "name": "bitecs",
-  "version": "0.3.1",
+  "version": "0.3.2a",
   "description": "Functional, minimal, data-driven, ultra-high performance ECS library written in Javascript",
@@ -5,0 +5,0 @@ "license": "MPL-2.0",

README.md

@@ -6,12 +6,13 @@ # 👾 bitECS 👾
 
-## Features
+## ✨ Features
 
 |   |   |
 | --------------------------------- | ---------------------------------------- |
-| 🔮 Simple, declarative API        | 🔥 Blazing fast iteration                |
-| 🔍 Powerful & performant queries  | 💾 Serialization included               |
-| 🍃 Zero dependencies              | 🌐 Node or browser                      |
-| 🤏 `~5kb` gzipped                 | 🏷 TypeScript support                   |
+| 🔮  Simple, declarative API       | 🔥  Blazing fast iteration               |
+| 🔍  Powerful & performant queries | 💾  Serialization included              |
+| 🍃  Zero dependencies             | 🌐  Node or browser                     |
+| 🤏  `~5kb` gzipped                | 🏷  TypeScript support                  |
+| ❤  Made with love                | 🔺 [glMatrix](https://github.com/toji/gl-matrix) support |
 
-#### Benchmarks
+### 📈 Benchmarks
 
@@ -25,3 +26,3 @@ 🚀 Unparalleled performance benchmarks
 
-#### In Development
+### 👩‍💻 In Development
 |                  |
@@ -32,3 +33,3 @@ | ---------------- |
 
-## Install
+## 💿 Install
 ```
@@ -38,3 +39,3 @@ npm i bitecs
 
-## Overview
+## 🗺 Overview
 
@@ -71,3 +72,3 @@ This is the entire API:
 
-## World
+## 🌐 World
 
@@ -85,3 +86,3 @@ A world represents a set of entities and the components that they each possess.
 ```
-## Entity
+## 👾 Entity
 
@@ -102,3 +103,3 @@ An entity is an integer, technically a pointer, which components can be associated with.
 
-## Component
+## 📦 Component
  
@@ -135,3 +136,3 @@ Components are pure data and added to entities to give them state.
 
-## Query
+## 🔍 Query
 
@@ -182,3 +183,3 @@ A query is defined with components and is used to obtain a specific set of entities from a world.
 
-## System
+## ☄ System
 
@@ -249,3 +250,3 @@ Systems are functions and are run against a world to update componenet state of entities, or anything else.
 
-## Serialization
+## 💾 Serialization
 
@@ -252,0 +253,0 @@ Performant and highly customizable serialization is built-in. Any subset of data can be targeted and serialized/deserialized with great efficiency and ease.

test/integration/Entity.test.js

@@ -50,4 +50,4 @@ import { strictEqual } from 'assert'
     strictEqual(eid2, 0)
-    strictEqual(getEntityCursor(), 2)
+    strictEqual(getEntityCursor(), 1)
   })
 })

test/integration/Storage.test.js

@@ -10,3 +10,3 @@ import assert, { strictEqual } from 'assert'
     const store = createStore({ value: Types.i8 })
-    strictEqual(store.value.length, 1_000_000)
+    strictEqual(store.value.length, 10000)
   })
@@ -21,3 +21,3 @@ it('should allow custom size', () => {
       assert(store.value instanceof TYPES[type])
-      strictEqual(store.value.length, 1_000_000)
+      strictEqual(store.value.length, 10000)
     })
@@ -24,0 +24,0 @@ })

test/integration/World.test.js

@@ -7,3 +7,4 @@ import assert, { strictEqual } from 'assert'
 
-const defaultSize = 1_000_000
+const defaultSize = 10000
+const growAmount = defaultSize + defaultSize / 2
 
@@ -16,9 +17,9 @@ describe('World Integration Tests', () => {
     const world = createWorld()
-    resizeWorld(world, 1_500_000)
-    strictEqual(world[$entityMasks][0].length, 1_500_000)
-    strictEqual(world[$entityEnabled].length, 1_500_000)
+    resizeWorld(world, growAmount)
+    strictEqual(world[$entityMasks][0].length, growAmount)
+    strictEqual(world[$entityEnabled].length, growAmount)
   })
   it('should resize automatically at 80% of 1MM', () => {
     const world = createWorld()
-    const n = 800_001
+    const n = defaultSize * 0.8
     for (let i = 0; i < n; i++) {
@@ -28,5 +29,5 @@ addEntity(world)
     
-    strictEqual(world[$entityMasks][0].length, 1_500_000)
-    strictEqual(world[$entityEnabled].length, 1_500_000)
+    strictEqual(world[$entityMasks][0].length, growAmount)
+    strictEqual(world[$entityEnabled].length, growAmount)
   })
 })

test/unit/World.test.js

@@ -7,3 +7,3 @@ import assert, { strictEqual } from 'assert'
 
-const defaultSize = 1_000_000
+const defaultSize = 10000
 
@@ -10,0 +10,0 @@ describe('World Integration Tests', () => {

New alerts

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Supply chain risk

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Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

238689

increased by1.52%

Lines of code

1959

increased by1.5%

Number of lines in readme file

299

increased by0.34%

Worsened metrics

Number of medium supply chain risk alerts

1

increased byInfinity%

No dependency changes