extend stdmin.lua & add module base:generation/ores

res/content/base/generators/demo.files/script.lua

@@ -1,31 +1,10 @@
 local _, dir = parse_path(__DIR__)
-ores = file.read_combined_list(dir.."/ores.json")
-
-local function place_ores(placements, x, z, w, d, seed, hmap, chunk_height)
-    local BLOCKS_PER_CHUNK = w * d * chunk_height
-    for _, ore in ipairs(ores) do
-        local count = BLOCKS_PER_CHUNK / ore.rarity
-
-        -- average count is less than 1
-        local addchance = math.fmod(count, 1.0)
-        if math.random() < addchance then
-            count = count + 1
-        end
-
-        for i=1,count do
-            local sx = math.random() * w
-            local sz = math.random() * d
-            local sy = math.random() * (chunk_height * 0.5)
-            if sy < hmap:at(sx, sz) * chunk_height - 6 then
-                table.insert(placements, {ore.struct, {sx, sy, sz}, math.random()*4, -1})
-            end
-        end
-    end
-end
+local ores = require "base:generation/ores"
+ores.load(dir)
 
 function place_structures(x, z, w, d, seed, hmap, chunk_height)
     local placements = {}
-    place_ores(placements, x, z, w, d, seed, hmap, chunk_height)
+    ores.place(placements, x, z, w, d, seed, hmap, chunk_height)
     return placements
 end
 

res/content/base/modules/generation/ores.lua

@@ -0,0 +1,29 @@
+local ores = {}
+
+function ores.load(directory)
+    ores.ores = file.read_combined_list(directory.."/ores.json")
+end
+
+function ores.place(placements, x, z, w, d, seed, hmap, chunk_height)
+    local BLOCKS_PER_CHUNK = w * d * chunk_height
+    for _, ore in ipairs(ores.ores) do
+        local count = BLOCKS_PER_CHUNK / ore.rarity
+
+        -- average count is less than 1
+        local addchance = math.fmod(count, 1.0)
+        if math.random() < addchance then
+            count = count + 1
+        end
+
+        for i=1,count do
+            local sx = math.random() * w
+            local sz = math.random() * d
+            local sy = math.random() * (chunk_height * 0.5)
+            if sy < hmap:at(sx, sz) * chunk_height - 6 then
+                table.insert(placements, {ore.struct, {sx, sy, sz}, math.random()*4, -1})
+            end
+        end
+    end
+end
+
+return ores