From 1f53e7b8174910f9a88f193e0519977ba3062a65 Mon Sep 17 00:00:00 2001
From: Pieter Vander Vennet <pietervdvn@posteo.net>
Date: Thu, 25 Sep 2025 14:03:02 +0200
Subject: [PATCH] Update pmtiles extraction script

---
 scripts/generatePmTilesExtracts.ts | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/scripts/generatePmTilesExtracts.ts b/scripts/generatePmTilesExtracts.ts
index f19cf85d8..7ba00557c 100644
--- a/scripts/generatePmTilesExtracts.ts
+++ b/scripts/generatePmTilesExtracts.ts
@@ -1,10 +1,10 @@
 import Script from "./Script"
 import { Tiles } from "../src/Models/TileRange"
-import { OfflineBasemapManager } from "../src/service-worker/OfflineBasemapManager"
 
 import { spawn } from "child_process"
-import { existsSync } from "fs"
+import { existsSync, mkdirSync, writeFileSync } from "fs"
 import { Utils } from "../src/Utils"
+import { OfflineBasemapManager } from "../src/Logic/OfflineBasemapManager"
 
 class GeneratePmTilesExtracts extends Script {
     private targetDir: string
@@ -79,6 +79,9 @@ class GeneratePmTilesExtracts extends Script {
         const boundary = 2 << (z - 1)
 
         for (let x = 0; x < boundary; x++) {
+            if (!existsSync(z + "/" + x)) {
+                mkdirSync(z + "/" + x)
+            }
             for (const promise of this.generateColumnIfNeeded(z, x, boundary, maxzoom)) {
                 yield promise
             }
@@ -86,7 +89,7 @@ class GeneratePmTilesExtracts extends Script {
     }
 
     private getFilename(z: number, x: number, y: number) {
-        return `${z}-${x}-${y}.pmtiles`
+        return `${z}/${x}/${y}.pmtiles`
     }
 
     private *generateAll(): Generator<Promise<void>> {
@@ -94,6 +97,9 @@ class GeneratePmTilesExtracts extends Script {
         for (const key in zoomlevels) {
             const minzoom: number = Number(key)
             const maxzoom: number | undefined = zoomlevels[key]
+            if (!existsSync("" + key)) {
+                mkdirSync("" + key)
+            }
             for (const promise of this.generateField(minzoom, maxzoom)) {
                 yield promise
             }
@@ -125,7 +131,7 @@ class GeneratePmTilesExtracts extends Script {
             estimate += boundary * boundary
         }
         console.log("Target dir is:", this.targetDir)
-        const numberOfThreads = 512
+        const numberOfThreads = 24
         const generator = this.generateAll()
         let batch: Promise<void>[] = []
         let done = 0
@@ -149,6 +155,12 @@ class GeneratePmTilesExtracts extends Script {
                 )}`
             )
         } while (batch.length > 0)
+        writeFileSync("Last_pm_tile_extracts.txt",
+            [new Date().getTime() + "",
+                new Date().toISOString(),
+                "# The script converting the planet-latest.pmtiles into sub-archives has been successfully executed at the stated time",
+            ].join("\n"), "utf-8",
+        )
     }
 }