add Event

src/event.js

@@ -0,0 +1,95 @@
+import {clone} from './util.js';
+
+class Event {
+    constructor(initialData={}) {
+        this.initial(initialData);
+    }
+
+    initial({prop, condition, events, pools}) {
+        if(prop) this.prop = prop;
+        if(condition) this.condition = condition;
+        if(events) this.events = events;
+        if(pools) this.pools = pools;
+    }
+
+    random() {
+        const age = this.getProp(this.prop.TYPES.AGE);
+        const pool = this.filterPool(
+            this.getPool(age)
+        );
+
+        let totalWeights = 0;
+        for(const [,weight] of pool)
+            totalWeights += weight;
+
+        let random = Math.random() * totalWeights;
+        for(const [event,weight] of pool)
+            if((random-=weight)<0)
+                return event;
+    }
+
+    check(eventId) {
+        const { Include, Exclude } = this.get(eventId);
+        if(Exclude && this.checkCondition(Exclude)) return false;
+        if(Include) return this.checkCondition(Include);
+        return true;
+    }
+
+    checkCondition(condition) {
+        return this.condition.check(condition);
+    }
+
+    filterPool(pool) {
+        return pool.filter(([event])=>this.check(event));
+    }
+
+    get(eventId) {
+        const event = this.events[eventId];
+        if(!event) console.error(`[ERROR] No Event[${eventId}]`);
+        return clone(event);
+    }
+
+    getPool(age) {
+        return clone(this.pools[age].Pool) || [];
+    }
+
+    getProp(prop) {
+        return this.prop.get(prop);
+    }
+
+    get prop() {return this._prop;}
+    set prop(p) {this._prop = p;}
+
+    get condition() {return this._condition;}
+    set condition(c) {this._condition = c;}
+
+    get pools() {return this._pools;}
+    set pools(p) {
+        this._pools = p;
+
+        for(const age in p)
+            p[age].Pool = p[age].Pool?.map(v=>{
+                const value = v.split('*').map(n=>Number(n));
+                if(value.length==1) value.push(1);
+                return value;
+            });
+
+    }
+
+    get events() {return this._events;}
+    set events(e) {
+        this._events = e;
+        for(const id in e) {
+            const event = e[id];
+            if(!event.branch) continue;
+            event.branch = event.branch.map(b=>{
+                b = b.split(':');
+                b[1] = Number(b[1]);
+                return b;
+            });
+        }
+    }
+
+}
+
+export default Event;