World-aligned grass block top texture

LEGAL.md

@@ -46,6 +46,12 @@ Armor trim models were created by Aeonix_Aeon
 Source: <https://www.curseforge.com/minecraft/texture-packs/ozocraft-remix>
 License: [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/)
 
+The sheet texture for grass block top was made out of grass block top variations
+from the PixelPerfection Legacy texture pack, which were made by
+[Nova_Wostra](https://www.curseforge.com/members/nova_wostra)
+Source: <https://www.curseforge.com/minecraft/texture-packs/pixel-perfection-legacy>
+License: [CC BY-SA 4.0](http://creativecommons.org/licenses/by-sa/4.0/)
+
 The main menu images are released under: [CC0](https://creativecommons.org/publicdomain/zero/1.0/)
 
 All other files, unless mentioned otherwise, fall under:

mods/ITEMS/mcl_core/nodes_base.lua

@@ -12,6 +12,18 @@ else
 	ice_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false
 end
 
+local world_aligned_grass = minetest.settings:get_bool("mcl_world_aligned_grass_texture", false)
+local grass_block_top_texture
+if world_aligned_grass then
+	grass_block_top_texture = {
+		name = "mcl_core_grass_block_top_sheet.png",
+		align_style = "world",
+		scale = 5
+	}
+else
+	grass_block_top_texture = "mcl_core_grass_block_top.png"
+end
+
 mcl_core.fortune_drop_ore = {
 	discrete_uniform_distribution = true,
 	min_count = 2,
@@ -369,8 +381,16 @@ minetest.register_node("mcl_core:dirt_with_grass", {
 	_doc_items_longdesc = S("A grass block is dirt with a grass cover. Grass blocks are resourceful blocks which allow the growth of all sorts of plants. They can be turned into farmland with a hoe and turned into grass paths with a shovel. In light, the grass slowly spreads onto dirt nearby. Under an opaque block or a liquid, a grass block may turn back to dirt."),
 	_doc_items_hidden = false,
 	paramtype2 = "color",
-	tiles = {"mcl_core_grass_block_top.png", { name="default_dirt.png", color="white" }, { name="default_dirt.png^mcl_dirt_grass_shadow.png", color="white" }},
+	tiles = {
-	overlay_tiles = {"mcl_core_grass_block_top.png", "blank.png", {name="mcl_core_grass_block_side_overlay.png", tileable_vertical=false}},
+		grass_block_top_texture,
+		{ name="default_dirt.png", color="white" },
+		{ name="default_dirt.png^mcl_dirt_grass_shadow.png", color="white" }
+	},
+	overlay_tiles = {
+		"blank.png",
+		"blank.png",
+		{name="mcl_core_grass_block_side_overlay.png", tileable_vertical=false}
+	},
 	palette = "mcl_core_palette_grass.png",
 	palette_index = 0,
 	color = "#7CBD6B",

settingtypes.txt

@@ -256,6 +256,13 @@ mcl_buckets_use_select_box (Buckets use select box) bool false
 # See also: https://github.com/minetest/minetest/issues/95
 mcl_translucent_ice (Translucent ice) bool false
 
+# Whether the top texture of grass blocks should be world-aligned. If enabled,
+# grass top texture will be a sheet of 5x5 tiles with pre-defined "random"
+# displacement and rotation, spanning across 5 blocks.
+#
+# This might put some load on the GPU by making it work with a bigger texture.
+mcl_world_aligned_grass_texture (World-aligned grass texture) bool false
+
 # Whether to generate fallen logs in some biomes.
 # They might not always look pretty and have strange overhangs.
 mcl_generate_fallen_logs (Generate fallen logs) bool false