write something there

mods/ethereal/water.lua

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+
+local S = minetest.get_translator("ethereal")
+
+-- Thin Ice
+
+local math_random = math.random
+
+minetest.register_node("ethereal:thin_ice", {
+	description = S("Thin Ice"),
+	tiles = {"default_ice.png^[opacity:80"},
+	inventory_image = "default_ice.png^[opacity:80",
+	wield_image = "default_ice.png^[opacity:80",
+	use_texture_alpha = "blend",
+	is_ground_content = false,
+	paramtype = "light",
+	drawtype = "nodebox",
+	drop = {},
+	node_box = {
+		type = "fixed", fixed = {{-0.5, -0.5, -0.5, 0.5, -0.25, 0.5}},
+	},
+	collision_box = {
+		type = "fixed", fixed = {{-0.5, -0.5, -0.5, 0.5, -0.25, 0.5}},
+	},
+	groups = {cracky = 3, crumbly = 3, cools_lava = 1, slippery = 3},
+	sounds = default.node_sound_glass_defaults(),
+
+	on_walk_over = function(pos, node, player)
+
+		if math_random(50) == 13 then -- ice breaks if player unlucky
+
+			minetest.sound_play("default_ice_dug",
+					{pos = pos, gain = 0.5, pitch = 1.4, max_hear_distance = 5}, true)
+
+			minetest.remove_node(pos)
+		end
+	end
+})
+
+-- Ice Brick
+
+minetest.register_node("ethereal:icebrick", {
+	description = S("Ice Brick"),
+	tiles = {"ethereal_brick_ice.png"},
+	paramtype = "light",
+	is_ground_content = false,
+	groups = {cracky = 3, puts_out_fire = 1, cools_lava = 1, slippery = 3},
+	sounds = default.node_sound_glass_defaults()
+})
+
+minetest.register_craft({
+	output = "ethereal:icebrick 4",
+	recipe = {
+		{"default:ice", "default:ice"},
+		{"default:ice", "default:ice"}
+	}
+})
+
+-- Snow Brick
+
+minetest.register_node("ethereal:snowbrick", {
+	description = S("Snow Brick"),
+	tiles = {"ethereal_brick_snow.png"},
+	paramtype = "light",
+	is_ground_content = false,
+	groups = {crumbly = 3, puts_out_fire = 1, cools_lava = 1},
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name = "default_snow_footstep", gain = 0.15},
+		dug = {name = "default_snow_footstep", gain = 0.2},
+		dig = {name = "default_snow_footstep", gain = 0.2}
+	})
+})
+
+minetest.register_craft({
+	output = "ethereal:snowbrick 4",
+	recipe = {
+		{"default:snowblock", "default:snowblock"},
+		{"default:snowblock", "default:snowblock"}
+	}
+})
+
+-- If Crystal Spike or Snowblock near Water, change Water to Ice
+
+minetest.register_abm({
+	label = "Ethereal freeze water",
+	nodenames = {
+		"ethereal:crystal_spike", "default:snowblock", "ethereal:snowbrick"
+	},
+	neighbors = {"default:water_source", "default:river_water_source"},
+	interval = 15,
+	chance = 4,
+	catch_up = false,
+
+	action = function(pos, node)
+
+		local near = minetest.find_node_near(pos, 1,
+				{"default:water_source", "default:river_water_source"})
+
+		if near then
+			minetest.swap_node(near, {name = "default:ice"})
+		end
+	end
+})
+
+-- If Heat Source near Ice or Snow then melt.
+
+minetest.register_abm({
+	label = "Ethereal melt snow/ice",
+	nodenames = {
+		"default:ice", "default:snowblock", "default:snow", "ethereal:thin_ice",
+		"default:dirt_with_snow", "ethereal:snowbrick", "ethereal:icebrick"
+	},
+	neighbors = {
+		"fire:basic_flame", "default:lava_source", "default:lava_flowing",
+		"default:furnace_active", "default:torch", "default:torch_wall",
+		"default:torch_ceiling", "fire:permanent_flame"
+	},
+	interval = 7,
+	chance = 4,
+	catch_up = false,
+
+	action = function(pos, node)
+
+		local water_node = "default:water"
+
+		if pos.y > 2 then
+			water_node = "default:river_water"
+		end
+
+		if node.name == "default:ice"
+		or node.name == "default:snowblock"
+		or node.name == "ethereal:icebrick"
+		or node.name == "ethereal:snowbrick" then
+			minetest.swap_node(pos, {name = water_node .. "_source"})
+
+		elseif node.name == "default:snow"
+		or node.name == "ethereal:thin_ice" then
+			minetest.swap_node(pos, {name = water_node .. "_flowing"})
+
+		elseif node.name == "default:dirt_with_snow" then
+			minetest.swap_node(pos, {name = "default:dirt_with_grass"})
+		end
+
+		ethereal.check_falling(pos)
+	end
+})
+
+-- If Water Source near Dry Dirt, change to normal Dirt
+
+minetest.register_abm({
+	label = "Ethereal wet dry dirt",
+	nodenames = {
+		"ethereal:dry_dirt", "default:dirt_with_dry_grass",
+		"default:dry_dirt", "default:dry_dirt_with_dry_grass"
+	},
+	neighbors = {"group:water"},
+	interval = 15,
+	chance = 3,
+	catch_up = false,
+
+	action = function(pos, node)
+
+		if node.name == "ethereal:dry_dirt" or node.name == "default:dry_dirt" then
+			minetest.swap_node(pos, {name = "default:dirt"})
+		elseif node.name == "default:dirt_with_dry_grass" then
+			minetest.swap_node(pos, {name = "default:dirt_with_grass"})
+		else
+			minetest.swap_node(pos, {name = "default:dirt_with_dry_grass"})
+		end
+	end
+})
+
+-- when enabled, override torches so they drop when touching water
+
+if ethereal.torchdrop == true and not minetest.get_modpath("real_torch") then
+
+	local function on_flood(pos, oldnode, newnode)
+
+		minetest.add_item(pos, ItemStack("default:torch 1"))
+
+		local def = minetest.registered_items[newnode.name]
+
+		if def and def.groups and def.groups.water and def.groups.water > 0 then
+
+			minetest.sound_play("default_cool_lava",
+					{pos = pos, max_hear_distance = 10, gain = 0.1}, true)
+		end
+
+		return false -- remove node
+	end
+
+	local function torch_override(name)
+		minetest.override_item("default:" .. name, {on_flood = on_flood})
+	end
+
+	torch_override("torch")
+	torch_override("torch_wall")
+	torch_override("torch_ceiling")
+end