Make deserts survivable.

deco_rocks.lua

@@ -0,0 +1,99 @@
+-- Place a small nodebox.
+local function small_cube(grid, pos, diameters)
+	local rock = {}
+
+	rock[1] = pos.x
+	rock[2] = pos.y
+	rock[3] = pos.z
+	rock[4] = pos.x + diameters.x
+	rock[5] = pos.y + diameters.y
+	rock[6] = pos.z + diameters.z
+	grid[#grid+1] = rock
+end
+
+-- Create some tiles of small rocks that can be picked up.
+local default_grid
+local tiles = {"default_stone.png", "default_desert_stone.png", "default_sandstone.png"}
+
+for grid_count = 1,6 do
+	local grid = {}
+	for rock_count = 2, math.random(1,4) + 1 do
+		local diameter = math.random(5,15)/100
+		local x = math.random(1,80)/100 - 0.5
+		local z = math.random(1,80)/100 - 0.5
+		--step_sphere(grid, {x=x,y=-0.5,z=z}, {x=diameter, y=diameter, z=diameter})
+		small_cube(grid, {x=x,y=-0.5,z=z}, {x=diameter, y=diameter, z=diameter})
+	end
+
+	--local stone = tiles[math.random(1,#tiles)]
+	local stone = tiles[(grid_count % #tiles) + 1]
+
+	minetest.register_node("fun_caves:small_rocks"..grid_count, {
+		description = "Small Rocks",
+		tiles = {stone},
+		is_ground_content = true,
+		walkable = false,
+		paramtype = "light",
+		drawtype = "nodebox",
+		buildable_to = true,
+		node_box = { type = "fixed", 
+								 fixed = grid },
+		selection_box = { type = "fixed", 
+											fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
+										},
+		groups = {stone=1, oddly_breakable_by_hand=3},
+		drop = "fun_caves:small_rocks",
+		sounds = default.node_sound_stone_defaults(),
+	})
+
+	minetest.register_decoration({
+		deco_type = "simple",
+		decoration = "fun_caves:small_rocks"..grid_count,
+		sidelen = 80,
+		place_on = {"group:soil", "group:sand"},
+		fill_ratio = 0.001,
+		biomes = {"sandstone_grassland", "tundra", "taiga", "stone_grassland", "coniferous_forest", "deciduous_forest", "desert", "savanna", "rainforest", },
+		flags = "place_center_x, place_center_z",
+		rotation = "random",
+	})
+
+	default_grid = grid
+end
+
+-- This is the inventory item, so we don't have six different stacks.
+minetest.register_node("fun_caves:small_rocks", {
+	description = "Small Rocks",
+	tiles = {"default_stone.png"},
+	inventory_image = "fun_caves_small_rocks.png",
+	is_ground_content = true,
+	walkable = false,
+	paramtype = "light",
+	drawtype = "nodebox",
+	node_box = { type = "fixed", 
+							 fixed = default_grid },
+	selection_box = { type = "fixed", 
+										fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
+									},
+	groups = {stone=1, oddly_breakable_by_hand=3},
+	sounds = default.node_sound_stone_defaults(),
+})
+
+-- Small rocks can be used to create cobblestone, if you like.
+minetest.register_craft({
+	output = "default:cobble",
+	recipe = {
+		{"", "", ""},
+		{"fun_caves:small_rocks", "fun_caves:small_rocks", ""},
+		{"fun_caves:small_rocks", "fun_caves:small_rocks", ""},
+	},
+})
+
+minetest.register_craft({
+	output = "default:stick",
+	recipe = {
+		{"", "", ""},
+		{"default:dry_shrub", "default:dry_shrub", ""},
+		{"default:dry_shrub", "default:dry_shrub", ""},
+	},
+})
+