see changelog

changelog.txt

@@ -1,3 +1,9 @@
+---------------------------------------------------------------------------------------------------
+Version: 1.0.9
+Date: 21. 04. 2021
+  Bugfixes:
+    - Surface tile changes using waterfill causing excess UPS usage
+
 ---------------------------------------------------------------------------------------------------
 Version: 1.0.8
 Date: 16. 04. 2021

info.json

@@ -1,7 +1,7 @@
 {
     "name" : "Rampant",
     "factorio_version" : "1.1",
-    "version" : "1.0.8",
+    "version" : "1.0.9",
     "title" : "Rampant",
     "author" : "Veden",
     "homepage" : "https://forums.factorio.com/viewtopic.php?f=94&t=31445",

libs/ChunkProcessor.lua

@@ -135,25 +135,23 @@ function chunkProcessor.processScanChunks(map)
 
     local chunkToPassScan = map.chunkToPassScan
 
-    for chunk,_ in pairs(chunkToPassScan) do
-        local x = chunk.x
-        local y = chunk.y
+    for preScanChunk in pairs(chunkToPassScan) do
+        local x = preScanChunk.x
+        local y = preScanChunk.y
 
         topOffset[1] = x
         topOffset[2] = y
         bottomOffset[1] = x + CHUNK_SIZE
         bottomOffset[2] = y + CHUNK_SIZE
 
-        chunk = chunkPassScan(chunk, map)
-
-        if (chunk == -1) then
+        if (chunkPassScan(preScanChunk, map) == -1) then
             map[x][y] = nil
 
             chunkCount = chunkCount + 1
-            removals[chunkCount] = chunk
+            removals[chunkCount] = preScanChunk
         end
 
-        chunkToPassScan[chunk] = nil
+        chunkToPassScan[preScanChunk] = nil
     end
 
     if (chunkCount > 0) then