bitecs - npm Package Compare versions

Comparing version 0.3.3 to 0.3.4

dist/index.es.js

@@ -129,5 +129,7 @@ const TYPES_ENUM = {
 const resetStoreFor = (store, eid) => {
-  store[$storeFlattened].forEach(ta => {
-    if (ArrayBuffer.isView(ta)) ta[eid] = 0;else ta[eid].fill(0);
-  });
+  if (store[$storeFlattened]) {
+    store[$storeFlattened].forEach(ta => {
+      if (ArrayBuffer.isView(ta)) ta[eid] = 0;else ta[eid].fill(0);
+    });
+  }
 };
@@ -318,4 +320,9 @@
 
+    let world;
+
     if (Object.getOwnPropertySymbols(ents).includes($componentMap)) {
+      world = ents;
       ents = ents[$entityArray];
+    } else {
+      world = eidToWorld.get(ents[0]);
     }
@@ -338,4 +345,9 @@
       for (let i = 0; i < ents.length; i++) {
-        const eid = ents[i]; // skip if diffing and no change
+        const eid = ents[i]; // skip if entity doesn't have this component
 
+        if (!hasComponent(world, prop[$storeBase](), eid)) {
+          continue;
+        } // skip if diffing and no change
+
+
         if (diff && prop[eid] === prop[$serializeShadow][eid]) {
@@ -417,2 +429,3 @@ continue;
     let where = 0;
+    const newEntities = new Map();
 
@@ -425,16 +438,24 @@ while (where < packet.byteLength) {
       const entityCount = view.getUint32(where);
-      where += 4; // typed array
+      where += 4; // component property
 
-      const ta = componentProps[pid]; // Get the properties and set the new state
+      const prop = componentProps[pid]; // Get the entities and set their prop values
 
       for (let i = 0; i < entityCount; i++) {
         let eid = view.getUint32(where);
-        where += 4; // if this world hasn't seen this eid yet
+        where += 4;
+        let newEid = newEntities.get(eid);
 
+        if (newEid !== undefined) {
+          eid = newEid;
+        } // if this world hasn't seen this eid yet
+
+
         if (!world[$entityEnabled][eid]) {
           // make a new entity for the data
-          eid = addEntity(world);
+          const newEid = addEntity(world);
+          newEntities.set(eid, newEid);
+          eid = newEid;
         }
 
-        const component = ta[$storeBase]();
+        const component = prop[$storeBase]();
 
@@ -449,4 +470,4 @@ if (!hasComponent(world, component, eid)) {
 
-        if (ArrayBuffer.isView(ta[eid])) {
-          const array = ta[eid];
+        if (ArrayBuffer.isView(prop[eid])) {
+          const array = prop[eid];
           const count = view[`get${array[$indexType]}`](where);
@@ -460,8 +481,8 @@ where += array[$indexBytes]; // iterate over count
             where += array.BYTES_PER_ELEMENT;
-            ta[eid][index] = value;
+            prop[eid][index] = value;
           }
         } else {
-          const value = view[`get${ta.constructor.name.replace('Array', '')}`](where);
-          where += ta.BYTES_PER_ELEMENT;
-          ta[eid] = value;
+          const value = view[`get${prop.constructor.name.replace('Array', '')}`](where);
+          where += prop.BYTES_PER_ELEMENT;
+          prop[eid] = value;
         }
@@ -490,7 +511,9 @@ }
 const getEntityCursor = () => globalEntityCursor;
+const eidToWorld = new Map();
 const addEntity = world => {
   const enabled = world[$entityEnabled];
-  const eid = removed.length > 0 ? removed.pop() : globalEntityCursor++;
+  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
+  world[$entityIndices][eid] = world[$entityArray].push(eid) - 1;
+  eidToWorld.set(eid, world); // if data stores are 80% full
 
@@ -835,3 +858,3 @@ if (globalEntityCursor >= resizeThreshold()) {
 };
-const removeComponent = (world, component, eid, reset = false) => {
+const removeComponent = (world, component, eid, reset = true) => {
   const {
@@ -838,0 +861,0 @@ generationId,

dist/index.js

@@ -133,5 +133,7 @@ 'use strict';
 const resetStoreFor = (store, eid) => {
-  store[$storeFlattened].forEach(ta => {
-    if (ArrayBuffer.isView(ta)) ta[eid] = 0;else ta[eid].fill(0);
-  });
+  if (store[$storeFlattened]) {
+    store[$storeFlattened].forEach(ta => {
+      if (ArrayBuffer.isView(ta)) ta[eid] = 0;else ta[eid].fill(0);
+    });
+  }
 };
@@ -322,4 +324,9 @@
 
+    let world;
+
     if (Object.getOwnPropertySymbols(ents).includes($componentMap)) {
+      world = ents;
       ents = ents[$entityArray];
+    } else {
+      world = eidToWorld.get(ents[0]);
     }
@@ -342,4 +349,9 @@
       for (let i = 0; i < ents.length; i++) {
-        const eid = ents[i]; // skip if diffing and no change
+        const eid = ents[i]; // skip if entity doesn't have this component
 
+        if (!hasComponent(world, prop[$storeBase](), eid)) {
+          continue;
+        } // skip if diffing and no change
+
+
         if (diff && prop[eid] === prop[$serializeShadow][eid]) {
@@ -421,2 +433,3 @@ continue;
     let where = 0;
+    const newEntities = new Map();
 
@@ -429,16 +442,24 @@ while (where < packet.byteLength) {
       const entityCount = view.getUint32(where);
-      where += 4; // typed array
+      where += 4; // component property
 
-      const ta = componentProps[pid]; // Get the properties and set the new state
+      const prop = componentProps[pid]; // Get the entities and set their prop values
 
       for (let i = 0; i < entityCount; i++) {
         let eid = view.getUint32(where);
-        where += 4; // if this world hasn't seen this eid yet
+        where += 4;
+        let newEid = newEntities.get(eid);
 
+        if (newEid !== undefined) {
+          eid = newEid;
+        } // if this world hasn't seen this eid yet
+
+
         if (!world[$entityEnabled][eid]) {
           // make a new entity for the data
-          eid = addEntity(world);
+          const newEid = addEntity(world);
+          newEntities.set(eid, newEid);
+          eid = newEid;
         }
 
-        const component = ta[$storeBase]();
+        const component = prop[$storeBase]();
 
@@ -453,4 +474,4 @@ if (!hasComponent(world, component, eid)) {
 
-        if (ArrayBuffer.isView(ta[eid])) {
-          const array = ta[eid];
+        if (ArrayBuffer.isView(prop[eid])) {
+          const array = prop[eid];
           const count = view[`get${array[$indexType]}`](where);
@@ -464,8 +485,8 @@ where += array[$indexBytes]; // iterate over count
             where += array.BYTES_PER_ELEMENT;
-            ta[eid][index] = value;
+            prop[eid][index] = value;
           }
         } else {
-          const value = view[`get${ta.constructor.name.replace('Array', '')}`](where);
-          where += ta.BYTES_PER_ELEMENT;
-          ta[eid] = value;
+          const value = view[`get${prop.constructor.name.replace('Array', '')}`](where);
+          where += prop.BYTES_PER_ELEMENT;
+          prop[eid] = value;
         }
@@ -494,7 +515,9 @@ }
 const getEntityCursor = () => globalEntityCursor;
+const eidToWorld = new Map();
 const addEntity = world => {
   const enabled = world[$entityEnabled];
-  const eid = removed.length > 0 ? removed.pop() : globalEntityCursor++;
+  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
+  world[$entityIndices][eid] = world[$entityArray].push(eid) - 1;
+  eidToWorld.set(eid, world); // if data stores are 80% full
 
@@ -839,3 +862,3 @@ if (globalEntityCursor >= resizeThreshold()) {
 };
-const removeComponent = (world, component, eid, reset = false) => {
+const removeComponent = (world, component, eid, reset = true) => {
   const {
@@ -842,0 +865,0 @@ generationId,

package.json

 {
   "name": "bitecs",
-  "version": "0.3.3",
+  "version": "0.3.4",
   "description": "Functional, minimal, data-driven, ultra-high performance ECS library written in Javascript",
@@ -5,0 +5,0 @@ "license": "MPL-2.0",

README.md

@@ -13,3 +13,3 @@ # 👾 bitECS 👾
 | 🍃  Zero dependencies             | 🌐  Node or browser                     |
-| 🤏  `~5kb` gzipped                | 🏷  TypeScript support                  |
+| 🤏  `~4kb` gzipped                | 🏷  TypeScript support                  |
 | ❤  Made with love                | 🔺 [glMatrix](https://github.com/toji/gl-matrix) support |
@@ -16,0 +16,0 @@

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License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

255051

increased by1.6%

Lines of code

2133

increased by1.72%

No dependency changes