bitecs - npm Package Compare versions

Comparing version 0.2.6 to 0.2.7

dist/index.es.js

@@ -1,2 +0,2 @@
-const e={bool:"bool",int8:"int8",uint8:"uint8",uint8clamped:"uint8clamped",int16:"int16",uint16:"uint16",int32:"int32",uint32:"uint32",float32:"float32",float64:"float64"},t={bool:"bool",int8:Int8Array,uint8:Uint8Array,uint8clamped:Uint8ClampedArray,int16:Int16Array,uint16:Uint16Array,int32:Int32Array,uint32:Uint32Array,float32:Float32Array,float64:Float64Array},n={uint8:255,uint16:65535,uint32:4294967295},r=()=>{let e=1,r=0;const o=(s,i={},a=!0)=>{const c={},l={},f={},m=Object.keys(i),p=m.filter((e=>Array.isArray(i[e])&&"object"==typeof i[e][0])),y=Object.keys(t).reduce(((e,t)=>({...e,[t]:0})),{});let u;return m.forEach((e=>{if("bool"===i[e]){const n=t.uint8,r=s*t.uint8.BYTES_PER_ELEMENT,o=new SharedArrayBuffer(r);l[e]=i[e],c[e]=new n(o),c[e]._boolType=!0}else if(Array.isArray(i[e])&&"string"==typeof i[e][0]){const n=t.uint8,r=s*t.uint8.BYTES_PER_ELEMENT,o=new SharedArrayBuffer(r);l[e]=i[e],c[e]=new n(o)}else if(Array.isArray(i[e])&&"object"==typeof i[e][0]){const{index:o,type:a,length:l}=i[e][0];if(!l)throw new Error("❌ Must define a length for component array.");if(!t[a])throw new Error(`❌ Invalid component array property type ${a}.`);if(!t[o])throw new Error(`❌ Invalid component array index type ${o}.`);if(!n[o])throw new Error(`❌ Index type for component array must be unsigned (non-negative), instead was ${o}.`);if(!f[a]){const e=p.filter((e=>i[e][0].type===a)),n=e.reduce(((e,n)=>e+t[a].BYTES_PER_ELEMENT),0),c=e.reduce(((e,t)=>e+l),0),m=new SharedArrayBuffer((r=n*c*s,4*Math.ceil(r/4))),y=new t[a](m);y._indexType=o,y._indexBytes=t[o].BYTES_PER_ELEMENT,f[a]=y}c[e]={};let m=0;for(let t=0;t<s;t++){const n=y[a]+t*l,r=n+l;c[e][t]=f[a].subarray(n,r),m=r}y[a]=m,c[e]._reset=t=>c[e][t].fill(0),c[e]._set=(t,n)=>c[e][t].set(n,0)}else if("object"==typeof i[e])c[e]=o(s,i[e],!1);else if("string"==typeof i[e]){const n=i[e],r=s*t[n].BYTES_PER_ELEMENT,o=new SharedArrayBuffer(r);c[e]=new t[n](o)}else{if("function"!=typeof i[e])throw new Error("ECS Error: invalid property type "+i[e]);{const t=i[e],n=s*t.BYTES_PER_ELEMENT,r=new SharedArrayBuffer(n);c[e]=new t(r)}}var r})),Object.defineProperty(c,"_schema",{value:i}),Object.defineProperty(c,"_props",{value:Object.keys(i)}),Object.defineProperty(c,"_mapping",{value:e=>l[e]}),Object.defineProperty(c,"_reset",{value:e=>{for(const t of c._props)ArrayBuffer.isView(c[t])?ArrayBuffer.isView(c[t][e])?c[t][e].fill(0):c[t][e]=0:c[t]._reset(e)}}),Object.defineProperty(c,"_set",{value:(e,t)=>{for(const n in t){c._mapping(n)&&"string"==typeof t[n]?c.enum(n,e,t[n]):ArrayBuffer.isView(c[n])?c[n][e]=t[n]:Array.isArray(t[n])&&ArrayBuffer.isView(c[n][e])?c[n][e].set(t[n],0):"object"==typeof c[n]&&c[n]._set(e,t[n])}}}),Object.defineProperty(c,"_get",{value:e=>{const t={};for(const n of c._props){c._mapping(n)?t[n]=c.enum(n,e):ArrayBuffer.isView(c[n])?t[n]=c[n][e]:"object"==typeof c[n]&&(ArrayBuffer.isView(c[n][e])?t[n]=Array.from(c[n][e]):t[n]=c[n]._get(e))}return t}}),Object.defineProperty(c,"_flatten",{value:(e=[])=>{if(u)return u;for(const t of c._props)ArrayBuffer.isView(c[t])?e.push(c[t]):"object"==typeof c[t]&&c[t]._flatten(e);return u=e,e}}),Object.defineProperty(c,"_bitflag",{value:e}),Object.defineProperty(c,"_generationId",{value:r}),Object.defineProperty(c,"check",{value:e=>(e&c._bitflag)===c._bitflag}),Object.defineProperty(c,"enum",{value:(e,t,n)=>{const r=c._mapping(e);if(r){if(!n)return r[c[e][t]];{const o=r.indexOf(n);if(-1===o)return void console.warn(`Value '${n}' is not part of enum.`);c[e][t]=o}}else console.warn("Property is not an enum.")}}),a&&(e*=2,e>=Math.pow(2,32)&&(e=1,r+=1)),c};return o};export default(t={})=>{const n=r(),o=(({maxEntities:e=1e4,maxComponentTypes:t=128,tickRate:n=30,devtools:r=!1})=>({maxEntities:e,maxComponentTypes:t,maxGenerations:Math.ceil(t/32),tickRate:n,devtools:r}))(t),s=(({maxEntities:e,maxGenerations:t})=>({entities:Array.from({length:t},(()=>new Uint32Array(e))),components:{},systems:{}}))(o),{entityCount:i,addEntity:a,removeEntity:c,commitEntityRemovals:l,getEntityCursor:f}=((e,t)=>{const{entities:n,systems:r}=t,o=[],s=[],i=new Uint8Array(e.maxEntities);let a=0;return{entityCount:()=>a-o.length,addEntity:()=>{if(a>=e.maxEntities)return void console.warn("❌ Could not add entity, maximum number of entities reached.");const t=o.length>0?o.pop():a++;return i[t]=1,t},removeEntity:e=>{s.push(e)},commitEntityRemovals:()=>{if(0!==s.length){for(let e of s)if(0!==i[e]){for(const t in r)r[t].remove(e);o.push(e),i[e]=0;for(let t of n)t[e]=0}s.length=0}},getEntityCursor:()=>a}})(o,s),{getGeneration:m,registerComponent:p,addComponent:y,removeComponent:u,removeAllComponents:E,hasComponent:d,commitComponentRemovals:_}=((e,t,n)=>{const{entities:r,components:o,systems:s}=t,i=[];let a=0;const c=e=>{if(void 0===o[e])throw new Error(`❌ Component '${e}' is not registered.`);return o[e]},l=(e,t)=>{i.push(e,t)},f=(e,t)=>{const n=o[e],{_generationId:s,_bitflag:i}=n;return(r[s][t]&i)===i};return{getGeneration:()=>a,registerComponent:(t,r)=>{if(Object.keys(o).length+1>e.maxComponentTypes)throw new Error(`❌ Can not register component '${t}'. Max components '${e.maxComponentTypes}' reached.`);return o[t]=n(e.maxEntities,r),a=o[t]._generationId,o[t]},addComponent:(e,t,n={},o=!0)=>{if(f(e,t))return;const i=c(e),{_generationId:a,_bitflag:l}=i;r[a][t]|=l,o&&i._reset(t),i._set(t,n);for(const e in s){const n=s[e];n.components.length&&n.checkComponent(i)&&n.check(t)&&n.add(t)}},removeComponent:l,removeAllComponents:e=>{Object.keys(o).forEach((t=>{l(t,e)}))},hasComponent:f,commitComponentRemovals:()=>{if(0!==i.length){for(let e=0;e<i.length;e+=2){const t=i[e],n=i[e+1],o=c(t),{_generationId:a,_bitflag:l}=o;if(!(r[a][n]&l))return;r[a][n]&=~l;for(const e in s){const t=s[e];t.components.length&&t.checkComponent(o)&&!t.check(n)&&t.remove(n)}}i.length=0}}}})(o,s,n),{enabled:g,registerSystem:h,toggle:b,step:w}=((e,t,n,r)=>{const{entities:o,components:s,systems:i}=t,a=[];let c=!0;const l=()=>{r(),n()};return{registerSystem:({name:t,components:n=[],enter:r,update:c,exit:f})=>{const m=[],p=new Int32Array(e.maxEntities).fill(-1),y={count:0,name:t,enabled:!0,components:n,localEntities:m,update:c,enter:r,exit:f},u=n.map((e=>{if(void 0===s[e])throw new Error(`❌ Cannot register system '${t}', '${e}' is not a registered component.`);return s[e]})),E=Array.from({length:e.maxGenerations},(()=>0));for(const e of u){const{_generationId:t,_bitflag:n}=e;E[t]|=n}y.masks=E,y.check=e=>{for(let t=0;t<E.length;t++){const n=o[t][e],r=E[t];if((n&r)!==r)return!1}return!0},y.checkComponent=e=>(E[e._generationId]&e._bitflag)===e._bitflag;const d=c?c(...u):null,_=r?r(...u):null,g=f?f(...u):null;y.execute=e=>{(e||y.enabled)&&d&&d(m),l()},y.add=e=>{-1===p[e]&&(p[e]=m.push(e)-1,y.count=m.length,_&&_(e))},y.remove=e=>{const t=p[e];if(-1===t)return;const n=m.pop();n!==e&&(m[t]=n,p[n]=t),p[e]=-1,y.count=m.length,g&&g(e)};for(let e=0;e<o[0].length;e++)y.components.length&&y.check(e)&&y.add(e);return i[t]=y,t.includes("query")||a.push(y),y},enabled:e=>e?i[e]?i[e].enabled:void console.warn(`System '${e}' is not registered.`):c,step:(e,t=!1)=>{if("boolean"==typeof e&&(t=e),"string"!=typeof e){if(t||c)for(let e=0;e<a.length;e++)a[e].execute();l()}else i[e].execute(t)},toggle:e=>{if(e)return i[e]?void(i[e].enabled=!i[e].enabled):void console.warn(`System '${e} is not registered.`);c=!c}}})(o,s,l,_),{save:A,load:v}=((e,t,n)=>({save:()=>{const r=n(),o=t(),s=Object.keys(e.components),i=s.map((t=>e.components[t])),a=Object.keys(e.systems),c=a.map((t=>e.systems[t])),l=Math.ceil(s.length/32),f=o*l*Uint32Array.BYTES_PER_ELEMENT,m=i.reduce(((e,t)=>e+t._flatten().reduce(((e,t)=>e+t.BYTES_PER_ELEMENT*o),0)),0),p=c.reduce(((e,t)=>e+t.localEntities.reduce(((e,t)=>e+Uint32Array.BYTES_PER_ELEMENT),0)),0),y=new ArrayBuffer(f+m+p),u=new DataView(y);let E=0;for(let t=0;t<o;t++)for(let n=0;n<l;n++){const r=e.entities[n];u.setUint32(E,r[t]),E+=Uint32Array.BYTES_PER_ELEMENT}const d={_cursorStart:0,_cursorEnd:E};i.forEach((e=>{e._flatten().forEach((e=>{const t=e.constructor.name.split("Array")[0],n=e.BYTES_PER_ELEMENT,o=r;e._cursorStart=E;for(let r=0;r<o;r++)u["set"+t](E,e[r]),E+=n;e._cursorEnd=E}))}));const _={};return a.forEach((t=>{const n=e.systems[t],r=E;n.localEntities.forEach((e=>{u.setUint32(E,e),E+=Uint32Array.BYTES_PER_ELEMENT}));const o=E;_[t]={_cursorStart:r,_cursorEnd:o}})),{bin:u.buffer.slice(0,E),schema:JSON.stringify({entities:d,components:e.components,systems:_},((e,t)=>t.hasOwnProperty("_cursorStart")?[t._cursorStart,t._cursorEnd]:t))}},load:(r,o)=>{"string"==typeof r&&(r=JSON.parse(r));const s=n(),i=t(),a=Object.keys(e.components),c=a.map((t=>e.components[t])),l=Object.keys(e.systems),f=Math.ceil(a.length/32),m=new DataView(o);let p=0;for(let t=0;t<i;t++)for(let n=0;n<f;n++)e.entities[n][t]=m.getUint32(p),p+=Uint32Array.BYTES_PER_ELEMENT;c.forEach((e=>{e._flatten().forEach((e=>{const t=e.constructor.name.split("Array")[0],n=e.BYTES_PER_ELEMENT,r=s;for(let o=0;o<r;o++)e[o]=m["get"+t](p),p+=n}))})),l.forEach((t=>{const n=e.systems[t],[o,s]=r.systems[t],i=[];for(;p<s;)i.push(m.getUint32(p)),p+=Uint32Array.BYTES_PER_ELEMENT;n.localEntities=i}))}}))(s,i,f);let T=0;return{TYPES:e,config:o,registry:s,entityCount:i,addEntity:a,removeEntity:c,registerComponent:p,removeComponent:u,removeAllComponents:E,addComponent:y,hasComponent:d,registerSystem:h,createQuery:e=>h({name:"query-"+T++,components:e}).localEntities,enabled:g,toggle:b,step:w,save:A,load:v}};
+const e={bool:"bool",int8:"int8",uint8:"uint8",uint8clamped:"uint8clamped",int16:"int16",uint16:"uint16",int32:"int32",uint32:"uint32",float32:"float32",float64:"float64"},t={bool:"bool",int8:Int8Array,uint8:Uint8Array,uint8clamped:Uint8ClampedArray,int16:Int16Array,uint16:Uint16Array,int32:Int32Array,uint32:Uint32Array,float32:Float32Array,float64:Float64Array},n={uint8:255,uint16:65535,uint32:4294967295},r=()=>{let e=1,r=0;const o=(i,s={},a=!0)=>{const c={},l={},f={},y=Object.keys(s),E=y.filter((e=>Array.isArray(s[e])&&"object"==typeof s[e][0])),m=Object.keys(t).reduce(((e,t)=>({...e,[t]:0})),{});let p;return y.forEach((e=>{if("bool"===s[e]){const n=t.uint8,r=i*t.uint8.BYTES_PER_ELEMENT,o=new SharedArrayBuffer(r);l[e]=s[e],c[e]=new n(o),c[e]._boolType=!0}else if(Array.isArray(s[e])&&"string"==typeof s[e][0]){const n=t.uint8,r=i*t.uint8.BYTES_PER_ELEMENT,o=new SharedArrayBuffer(r);l[e]=s[e],c[e]=new n(o)}else if(Array.isArray(s[e])&&"object"==typeof s[e][0]){const{index:o,type:a,length:l}=s[e][0];if(!l)throw new Error("❌ Must define a length for component array.");if(!t[a])throw new Error(`❌ Invalid component array property type ${a}.`);if(!t[o])throw new Error(`❌ Invalid component array index type ${o}.`);if(!n[o])throw new Error(`❌ Index type for component array must be unsigned (non-negative), instead was ${o}.`);if(!f[a]){const e=E.filter((e=>s[e][0].type===a)),n=e.reduce(((e,n)=>e+t[a].BYTES_PER_ELEMENT),0),c=e.reduce(((e,t)=>e+l),0),y=new SharedArrayBuffer((r=n*c*i,4*Math.ceil(r/4))),m=new t[a](y);m._indexType=o,m._indexBytes=t[o].BYTES_PER_ELEMENT,f[a]=m}c[e]={};let y=0;for(let t=0;t<i;t++){const n=m[a]+t*l,r=n+l;c[e][t]=f[a].subarray(n,r),y=r}m[a]=y,c[e]._reset=t=>c[e][t].fill(0),c[e]._set=(t,n)=>c[e][t].set(n,0)}else if("object"==typeof s[e])c[e]=o(i,s[e],!1);else if("string"==typeof s[e]){const n=s[e],r=i*t[n].BYTES_PER_ELEMENT,o=new SharedArrayBuffer(r);c[e]=new t[n](o)}else{if("function"!=typeof s[e])throw new Error("ECS Error: invalid property type "+s[e]);{const t=s[e],n=i*t.BYTES_PER_ELEMENT,r=new SharedArrayBuffer(n);c[e]=new t(r)}}var r})),Object.defineProperty(c,"_schema",{value:s}),Object.defineProperty(c,"_props",{value:Object.keys(s)}),Object.defineProperty(c,"_mapping",{value:e=>l[e]}),Object.defineProperty(c,"_reset",{value:e=>{for(const t of c._props)ArrayBuffer.isView(c[t])?ArrayBuffer.isView(c[t][e])?c[t][e].fill(0):c[t][e]=0:c[t]._reset(e)}}),Object.defineProperty(c,"_set",{value:(e,t)=>{for(const n in t){c._mapping(n)&&"string"==typeof t[n]?c.enum(n,e,t[n]):ArrayBuffer.isView(c[n])?c[n][e]=t[n]:Array.isArray(t[n])&&ArrayBuffer.isView(c[n][e])?c[n][e].set(t[n],0):"object"==typeof c[n]&&c[n]._set(e,t[n])}}}),Object.defineProperty(c,"_get",{value:e=>{const t={};for(const n of c._props){c._mapping(n)?t[n]=c.enum(n,e):ArrayBuffer.isView(c[n])?t[n]=c[n][e]:"object"==typeof c[n]&&(ArrayBuffer.isView(c[n][e])?t[n]=Array.from(c[n][e]):t[n]=c[n]._get(e))}return t}}),Object.defineProperty(c,"_flatten",{value:(e=[])=>{if(p)return p;for(const t of c._props)ArrayBuffer.isView(c[t])?e.push(c[t]):"object"==typeof c[t]&&c[t]._flatten(e);return p=e,e}}),Object.defineProperty(c,"_bitflag",{value:e}),Object.defineProperty(c,"_generationId",{value:r}),Object.defineProperty(c,"check",{value:e=>(e&c._bitflag)===c._bitflag}),Object.defineProperty(c,"enum",{value:(e,t,n)=>{const r=c._mapping(e);if(r){if(!n)return r[c[e][t]];{const o=r.indexOf(n);if(-1===o)return void console.warn(`Value '${n}' is not part of enum.`);c[e][t]=o}}else console.warn("Property is not an enum.")}}),a&&(e*=2,e>=Math.pow(2,32)&&(e=1,r+=1)),c};return o};export default(t={})=>{const n=r(),o=(({maxEntities:e=1e4,maxComponentTypes:t=128,tickRate:n=30,devtools:r=!1})=>({maxEntities:e,maxComponentTypes:t,maxGenerations:Math.ceil(t/32),tickRate:n,devtools:r}))(t),i=(({maxEntities:e,maxGenerations:t})=>({entities:Array.from({length:t},(()=>new 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dist/index.min.js

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t}}),Object.defineProperty(c,"_flatten",{value:(e=[])=>{if(p)return p;for(const t of c._props)ArrayBuffer.isView(c[t])?e.push(c[t]):"object"==typeof c[t]&&c[t]._flatten(e);return p=e,e}}),Object.defineProperty(c,"_bitflag",{value:e}),Object.defineProperty(c,"_generationId",{value:r}),Object.defineProperty(c,"check",{value:e=>(e&c._bitflag)===c._bitflag}),Object.defineProperty(c,"enum",{value:(e,t,n)=>{const r=c._mapping(e);if(r){if(!n)return r[c[e][t]];{const o=r.indexOf(n);if(-1===o)return void console.warn(`Value '${n}' is not part of enum.`);c[e][t]=o}}else console.warn("Property is not an enum.")}}),a&&(e*=2,e>=Math.pow(2,32)&&(e=1,r+=1)),c};return o};module.exports=(t={})=>{const n=r(),o=(({maxEntities:e=1e4,maxComponentTypes:t=128,tickRate:n=30,devtools:r=!1})=>({maxEntities:e,maxComponentTypes:t,maxGenerations:Math.ceil(t/32),tickRate:n,devtools:r}))(t),i=(({maxEntities:e,maxGenerations:t})=>({entities:Array.from({length:t},(()=>new 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 //# sourceMappingURL=index.min.js.map

DOCS.md

@@ -31,2 +31,4 @@
     * [.removeEntity(eid)](#module_World.removeEntity)
+    * [.save()](#module_World.save) ⇒ <code>ArrayBuffer</code>
+    * [.load(bin)](#module_World.load)
     * [.enabled(name)](#module_World.enabled) ⇒ <code>boolean</code>
@@ -320,2 +322,22 @@ * [.registerSystem(system)](#module_World.registerSystem)
 
+<br><a name="module_World.save"></a>
+
+### save
+#### World.save() ⇒ <code>ArrayBuffer</code>
+> Saves a snapshot of the ECS in its current state.
+
+**Returns**: <code>ArrayBuffer</code> - Snapshot of the ECS state.  
+
+<br><a name="module_World.load"></a>
+
+### load
+#### World.load(bin)
+> Loads a snapshot that was saved with the same ECS setup.
+
+
+| Param | Type |
+| --- | --- |
+| bin | <code>ArrayBuffer</code> | 
+
+
 <br><a name="module_World.enabled"></a>
@@ -322,0 +344,0 @@

package.json

 {
   "name": "bitecs",
-  "version": "0.2.6",
+  "version": "0.2.7",
   "description": "Tiny, data-driven, high performance ECS library written in Javascript",
@@ -5,0 +5,0 @@ "license": "MPL-2.0",

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