Tweak generation of decoratives

lignumis/prototypes/content/data.lua

@@ -26,5 +26,6 @@ require("basic-radar")
 require("mid-game-recipes")
 require("active-noise-cancelling-tower")
 require("quality-assembler")
+require("decoratives")
 
 require("noise")

lignumis/prototypes/content/decoratives.lua

@@ -0,0 +1,23 @@
+local sounds = require("__base__.prototypes.entity.sounds")
+
+data:extend({
+    {
+        name = "gold-rock-cluster",
+        type = "optimized-decorative",
+        order = "a[lignumis]-a[decorative]-a[gold-rock-clusters]",
+        collision_box = { { -1, -1 }, { 1, 1 } },
+        collision_mask = { layers = { water_tile = true, doodad = true }, colliding_with_tiles_only = true },
+        render_layer = "decorative",
+        walking_sound = sounds.sand,
+        autoplace = {
+            order = "d[ground-surface]-b[sulfur-rock]-b[cluster]",
+            placement_density = 1,
+            probability_expression =
+            "basis_noise{x = x, y = y, seed0 = map_seed, seed1 = 3000000, input_scale = 1/8, output_scale = 1/4}",
+            tile_restriction = { "natural-gold-soil" }
+        },
+        pictures = get_decal_pictures(
+            "__space-age__/graphics/decorative/tiny-volcanic-rock-cluster/tiny-volcanic-rock-cluster-", "", 128, 8,
+            { 0.788, 0.627, 0.167 }, true)
+    }
+})

lignumis/prototypes/content/gold/stromatolite.lua

@@ -5,7 +5,7 @@ stromatolite.name = "gold-stromatolite"
 stromatolite.icon = "__lignumis__/graphics/icons/gold-stromatolite.png"
 stromatolite.autoplace = {
     probability_expression =
-    "basis_noise{x = x, y = y, seed0 = map_seed, seed1 = 2000000, input_scale = 1/8, output_scale = 1/3}",
+    "basis_noise{x = x, y = y, seed0 = map_seed, seed1 = 2000000, input_scale = 1/8, output_scale = 1/8}",
     tile_restriction = { "natural-gold-soil" }
 }
 stromatolite.collision_mask = table.deepcopy(data.raw["plant"]["tree-plant"].collision_mask)

lignumis/prototypes/content/lignumis/mapgen.lua

@@ -60,7 +60,12 @@ return {
                 ["green-bush-mini"] = {},
                 ["medium-rock"] = {},
                 ["small-rock"] = {},
-                ["tiny-rock"] = {}
+                ["tiny-rock"] = {},
+                ["knobbly-roots"] = {},
+                ["crater-large"] = {},
+                ["crater-small"] = {},
+                ["waves-decal"] = {},
+                ["gold-rock-cluster"] = {}
             }
         },
         ["entity"] = {