From 35d77efc4c544a984fcbe2b7025ebea042bdeef2 Mon Sep 17 00:00:00 2001
From: cha0s <git@cha0s.io>
Date: Sun, 28 Mar 2021 17:29:48 -0500
Subject: [PATCH] refactor: alpha hmr

---
 packages/universe/src/server/gen/alpha.js | 3 +++
 packages/universe/src/server/index.js     | 6 +++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/packages/universe/src/server/gen/alpha.js b/packages/universe/src/server/gen/alpha.js
index 7876557..c567732 100644
--- a/packages/universe/src/server/gen/alpha.js
+++ b/packages/universe/src/server/gen/alpha.js
@@ -58,6 +58,9 @@ export default async (room, latus) => {
     [0, 0, w, h],
     Plains.children[1].matrix,
   );
+  if (Object.keys(room.layer(3).entities).length > 0) {
+    return;
+  }
   for (let y = 0; y < 64; ++y) {
     for (let x = 0; x < 64; ++x) {
       let v = noise(Vector.scale([x, y], 5), seed);
diff --git a/packages/universe/src/server/index.js b/packages/universe/src/server/index.js
index 4fe7e19..c4a6ddc 100644
--- a/packages/universe/src/server/index.js
+++ b/packages/universe/src/server/index.js
@@ -7,6 +7,11 @@ import UniverseInput from './packets/decorators/universe-input';
 
 export default {
   hooks: {
+    '@latus/core/hmr': (path, latus) => {
+      if ('@humus/universe/server' === path) {
+        alpha(latus.get('%universe').room('players/cha0s/index.room.json'), latus);
+      }
+    },
     '@latus/core/server/up': async (latus) => {
       const {root} = latus.get('@humus/universe');
       const {running} = latus.get('@humus/universe/server');
@@ -20,7 +25,6 @@ export default {
       try {
         const {Universe} = latus.get('%resources');
         const universe = await Universe.load({extends: `/universe/${running}/index.universe.json`});
-        // alpha gen
         alpha(universe.room('players/cha0s/index.room.json'), latus);
         latus.set('%universe', universe);
         universe.start();