maestro refacto to grrom, getpositions actions transfered to Observer, changed to frustum, with subscription

2026-06-14 10:16:56 +00:00
parent f3102d5fbc
commit c399f9ddb4
21 changed files with 760 additions and 185 deletions
@@ -0,0 +1,82 @@
+import { positionAt } from '../GPS/actions/arena/worldline.js'
+
+export class GpsStorageReader {
+
+    constructor(systemCnx, gpsStorage, debug = false) {
+        this.cnx = systemCnx
+        this.gpsStorage = gpsStorage
+        this.debug = debug
+    }
+
+    agentHashKey(agentId) {
+        return(this.gpsStorage.agentHashKey.replace(/\[UID\]/g, agentId))
+    }
+
+    #parseHashField(raw) {
+        if(raw == null) return(null)
+        if(typeof(raw) === 'object') return(raw)
+        try { return(JSON.parse(raw)) }
+        catch { return(null) }
+    }
+
+    #segmentToAgent(segment) {
+        if(!segment?.id) return(null)
+        if(!this.#isVector(segment.position) || !this.#isVector(segment.vector)) return(null)
+        return({
+            id: segment.id,
+            position: { ...segment.position },
+            vector: { ...segment.vector },
+            since: segment.since ?? 0,
+            generation: segment.generation ?? 0,
+        })
+    }
+
+    #isVector(v) {
+        return(
+            v &&
+            typeof(v) === 'object' &&
+            typeof(v.x) === 'number' &&
+            typeof(v.y) === 'number' &&
+            typeof(v.z) === 'number'
+        )
+    }
+
+    buildAgentSnapshot(agent, at) {
+        return({
+            id: agent.id,
+            position: positionAt(agent, at),
+            vector: { ...agent.vector },
+            since: agent.since,
+            generation: agent.generation ?? 0,
+            t: at,
+        })
+    }
+
+    async loadSegment(agentId) {
+        const raw = await this.cnx.redisHget(this.agentHashKey(agentId), 'segment')
+        return(this.#parseHashField(raw))
+    }
+
+    async listAgentIds() {
+        return(await this.cnx.redisSmembers(this.gpsStorage.agentsIndexKey))
+    }
+
+    async loadAllAgents() {
+        const ids = await this.listAgentIds()
+        const agents = new Map()
+        for(const id of ids) {
+            const segment = await this.loadSegment(id)
+            const agent = this.#segmentToAgent(segment)
+            if(agent) agents.set(id, agent)
+        }
+        return(agents)
+    }
+
+    async getAgentPosition(agentId, at) {
+        const segment = await this.loadSegment(agentId)
+        const agent = this.#segmentToAgent(segment)
+        if(!agent) return(null)
+        return(this.buildAgentSnapshot(agent, at))
+    }
+
+}