Add the rock

mods/ENTITIES/mobs_mc/silverfish.lua

@@ -59,7 +59,7 @@ if minetest.get_modpath("default") and mobs_mc.create_monster_egg_nodes then
 	end
 	minetest.register_node("mobs_mc:monster_egg_stone", {
 		description = "Stone Monster Egg",
-		tiles = {"default_stone.png"},
+		tiles = {"mcl_core_rock.png"},
 		groups = {oddly_breakable_by_hand = 2, spawns_silverfish = 1},
 		drop = "",
 		is_ground_content = true,

mods/ITEMS/REDSTONE/mesecons_button/init.lua

@@ -207,7 +207,7 @@ end
 mesecon.register_button(
 	"stone",
 	S("Stone Button"),
-	"default_stone.png",
+	"mcl_core_rock.png",
 	"mcl_core:stone",
 	mcl_sounds.node_sound_stone_defaults(),
 	{material_stone=1,handy=1,pickaxey=1},

mods/ITEMS/REDSTONE/mesecons_pressureplates/init.lua

@@ -191,9 +191,9 @@ end
 mesecon.register_pressure_plate(
 	"mesecons_pressureplates:pressure_plate_stone",
 	S("Stone Pressure Plate"),
-	{"default_stone.png"},
-	{"default_stone.png"},
-	"default_stone.png",
+	{"mcl_core_rock.png"},
+	{"mcl_core_rock.png"},
+	"mcl_core_rock.png",
 	nil,
 	{{"mcl_core:stone", "mcl_core:stone"}},
 	mcl_sounds.node_sound_stone_defaults(),

mods/ITEMS/mcl_core/nodes_base.lua

@@ -24,7 +24,7 @@ minetest.register_node("mcl_core:stone", {
 	description = S("Stone"),
 	_doc_items_longdesc = S("One of the most common blocks in the world, almost the entire underground consists of stone. It sometimes contains ores. Stone may be created when water meets lava."),
 	_doc_items_hidden = false,
-	tiles = {"default_stone.png"},
+	tiles = {"mcl_core_rock.png"},
 	is_ground_content = true,
 	stack_max = 69,
 	groups = {pickaxey=1, stone=1, building_block=1, material_stone=1},

mods/ITEMS/mcl_monster_eggs/init.lua

@@ -33,7 +33,7 @@ local function register_block(subname, description, tiles, is_ground_content)
 end
 
 -- Register all the monster egg blocks
-register_block("stone", S("Infested Stone"), {"default_stone.png"}, true)
+register_block("stone", S("Infested Stone"), {"mcl_core_rock.png"}, true)
 register_block("cobble", S("Infested Cobblestone"), {"default_cobble.png"})
 register_block("stonebrick", S("Infested Stone Bricks"), {"default_stone_brick.png"})
 register_block("stonebrickcracked", S("Infested Cracked Stone Bricks"), {"mcl_core_stonebrick_cracked.png"})