From a524995f73ec5e246ed395c248f36c77b7ebc7ec Mon Sep 17 00:00:00 2001
From: fallenoak <git@fallenoak.me>
Date: Wed, 3 Jan 2024 00:42:36 -0600
Subject: [PATCH] feat(terrain): improve terrain loading speed

---
 src/lib/terrain/TerrainManager.ts | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/lib/terrain/TerrainManager.ts b/src/lib/terrain/TerrainManager.ts
index 820931f..530e079 100644
--- a/src/lib/terrain/TerrainManager.ts
+++ b/src/lib/terrain/TerrainManager.ts
@@ -51,12 +51,10 @@ class TerrainManager {
     group.matrixAutoUpdate = false;
     group.matrixWorldAutoUpdate = false;
 
-    for (const chunk of area.chunks) {
-      if (chunk.layers.length === 0) {
-        continue;
-      }
+    const renderableChunks = area.chunks.filter((chunk) => chunk.layers.length > 0);
+    const meshes = await Promise.all(renderableChunks.map((chunk) => this.#createMesh(chunk)));
 
-      const mesh = await this.#createMesh(chunk);
+    for (const mesh of meshes) {
       group.add(mesh);
     }