-- CaveRealms nodes.lua

--NODES--

local FALLING_ICICLES = caverealms.config.falling_icicles --true --toggle to turn on or off falling icicles in glaciated biome
local FALLCHA = caverealms.config.fallcha --0.33 --chance of causing the structure to fall


--glowing crystal
minetest.register_node("caverealms:glow_crystal", {
	description = "Glow Crystal",
	tiles = {"caverealms_glow_crystal.png"},
	is_ground_content = true,
	groups = {cracky=3},
	sounds = default.node_sound_glass_defaults(),
	light_source = 13,
	paramtype = "light",
	use_texture_alpha = true,
	drawtype = "glasslike",
	sunlight_propagates = true,
})

--glowing emerald
minetest.register_node("caverealms:glow_emerald", {
	description = "Glow Emerald",
	tiles = {"caverealms_glow_emerald.png"},
	is_ground_content = true,
	groups = {cracky=3},
	sounds = default.node_sound_glass_defaults(),
	light_source = 13,
	paramtype = "light",
	use_texture_alpha = true,
	drawtype = "glasslike",
	sunlight_propagates = true,
})

--glowing mese crystal blocks
minetest.register_node("caverealms:glow_mese", {
	description = "Mese Crystal Block",
	tiles = {"caverealms_glow_mese.png"},
	is_ground_content = true,
	groups = {cracky=3},
	sounds = default.node_sound_glass_defaults(),
	light_source = 13,
	paramtype = "light",
	use_texture_alpha = true,
	drawtype = "glasslike",
	sunlight_propagates = true,
})

--embedded crystal
minetest.register_node("caverealms:glow_ore", {
	description = "Glow Crystal Ore",
	tiles = {"caverealms_glow_ore.png"},
	is_ground_content = true,
	groups = {cracky=2},
	sounds = default.node_sound_glass_defaults(),
	light_source = 12,
	paramtype = "light",
})

--embedded emerald
minetest.register_node("caverealms:glow_emerald_ore", {
	description = "Glow Emerald Ore",
	tiles = {"caverealms_glow_emerald_ore.png"},
	is_ground_content = true,
	groups = {cracky=2},
	sounds = default.node_sound_glass_defaults(),
	light_source = 12,
	paramtype = "light",
})

--thin (transparent) ice
minetest.register_node("caverealms:thin_ice", {
	description = "Thin Ice",
	tiles = {"caverealms_thin_ice.png"},
	is_ground_content = true,
	groups = {cracky=3},
	sounds = default.node_sound_glass_defaults(),
	use_texture_alpha = true,
	drawtype = "glasslike",
	sunlight_propagates = true,
	freezemelt = "default:water_source",
	paramtype = "light",
})

--alternate version for stalactites
minetest.register_node("caverealms:hanging_thin_ice", {
	description = "Thin Ice (hanging)",
	tiles = {"caverealms_thin_ice.png"},
	is_ground_content = true,
	groups = {cracky=3, not_in_creative_inventory = 1},
	sounds = default.node_sound_glass_defaults(),
	use_texture_alpha = true,
	drawtype = "glasslike",
	sunlight_propagates = true,
	drop = "caverealms:thin_ice",
	freezemelt = "default:water_flowing",
	paramtype = "light",
	after_dig_node = function(pos, oldnode, oldmetadata, digger)
		if FALLING_ICICLES then
			if math.random() <= FALLCHA then
				obj = minetest.add_entity(pos, "caverealms:falling_ice")
				obj:get_luaentity():set_node(oldnode)
				for y = -13, 13 do
					for x = -3, 3 do
					for z = -3, 3 do
						local npos = {x=pos.x+x, y=pos.y+y, z=pos.z+z}
						if minetest.get_node(npos).name == "caverealms:hanging_thin_ice" then
							nobj = minetest.add_entity(npos, "caverealms:falling_ice")
							nobj:get_luaentity():set_node(oldnode)
							minetest.remove_node(npos)
						end
					end
					end
				end
				minetest.remove_node(pos)
			else
				return 1
			end
		else
			return 1
		end
	end,
})

--glowing crystal gem
local glow_gem_size = { 1.0, 1.2, 1.4, 1.6, 1.7 }

for i in ipairs(glow_gem_size) do
	if i == 1 then
		nodename = "caverealms:glow_gem"
	else
		nodename = "caverealms:glow_gem_"..i
	end

	vs = glow_gem_size[i]

	minetest.register_node(nodename, {
		description = "Glow Gem",
		tiles = {"caverealms_glow_gem.png"},
		inventory_image = "caverealms_glow_gem.png",
		wield_image = "caverealms_glow_gem.png",
		is_ground_content = true,
		groups = {cracky=3, oddly_breakable_by_hand=1},
		sounds = default.node_sound_glass_defaults(),
		light_source = 12,
		paramtype = "light",
		drawtype = "plantlike",
		walkable = false,
		buildable_to = true,
		visual_scale = vs,
		selection_box = {
			type = "fixed",
			fixed = {-0.5*vs, -0.5*vs, -0.5*vs, 0.5*vs, -5/16*vs, 0.5*vs},
		}
	})
end

--upward pointing icicle
minetest.register_node("caverealms:icicle_up", {
	description = "Icicle",
	tiles = {"caverealms_icicle_up.png"},
	inventory_image = "caverealms_icicle_up.png",
	wield_image = "caverealms_icicle_up.png",
	is_ground_content = true,
	groups = {cracky=3, oddly_breakable_by_hand=1},
	sounds = default.node_sound_glass_defaults(),
	light_source = 8,
	paramtype = "light",
	drawtype = "plantlike",
	walkable = false,
	buildable_to = true,
	visual_scale = 1.0,
	selection_box = {
		type = "fixed",
		fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
	},
})

--downward pointing icicle
minetest.register_node("caverealms:icicle_down", {
	description = "Icicle",
	tiles = {"caverealms_icicle_down.png"},
	inventory_image = "caverealms_icicle_down.png",
	wield_image = "caverealms_icicle_down.png",
	is_ground_content = true,
	groups = {cracky=3, oddly_breakable_by_hand=1},
	sounds = default.node_sound_glass_defaults(),
	light_source = 8,
	paramtype = "light",
	drawtype = "plantlike",
	walkable = false,
	buildable_to = true,
	visual_scale = 1.0,
	selection_box = {
		type = "fixed",
		fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
	},
})

--cave mossy cobble - bluish?
minetest.register_node("caverealms:stone_with_moss", {
	description = "Cave Stone with Moss",
	tiles = {"default_cobble.png^caverealms_moss.png", "default_cobble.png", "default_cobble.png^caverealms_moss_side.png"},
	is_ground_content = true,
	groups = {crumbly=3, soil=1},
	drop = 'default:cobble',
	sounds = default.node_sound_dirt_defaults({
		footstep = {name="default_grass_footstep", gain=0.25},
	}),
})

--cave lichen-covered cobble - purple-ish
minetest.register_node("caverealms:stone_with_lichen", {
	description = "Cave Stone with Lichen",
	tiles = {"default_cobble.png^caverealms_lichen.png", "default_cobble.png", "default_cobble.png^caverealms_lichen_side.png"},
	is_ground_content = true,
	groups = {crumbly=3, soil=1},
	drop = 'default:cobble',
	light_source = 2,
	paramtype = "light",
	sounds = default.node_sound_dirt_defaults({
		footstep = {name="default_grass_footstep", gain=0.25},
	}),
})

--cave algae-covered cobble - yellow-ish
minetest.register_node("caverealms:stone_with_algae", {
	description = "Cave Stone with Algae",
	tiles = {"default_cobble.png^caverealms_algae.png", "default_cobble.png", "default_cobble.png^caverealms_algae_side.png"},
	is_ground_content = true,
	groups = {crumbly=3, soil=1},
	light_source = 2,
	paramtype = "light",
	drop = 'default:cobble',
	sounds = default.node_sound_dirt_defaults({
		footstep = {name="default_grass_footstep", gain=0.25},
	}),
})

--glow worms
minetest.register_node("caverealms:glow_worm", {
	description = "Glow Worms",
	tiles = {"caverealms_glow_worm.png"},
	inventory_image = "caverealms_glow_worm.png",
	wield_image = "caverealms_glow_worm.png",
	is_ground_content = true,
	groups = {oddly_breakable_by_hand=3},
	light_source = 9,
	paramtype = "light",
	drawtype = "plantlike",
	walkable = false,
	buildable_to = true,
	visual_scale = 1.0,
	selection_box = {
		type = "fixed",
		fixed = {-0.5, -0.5, -0.5, 0.5, -0.5, 0.5},
	},
})

--cave plants go here

--glowing fungi
minetest.register_node("caverealms:fungus", {
	description = "Glowing Fungus",
	tiles = {"caverealms_fungi.png"},
	inventory_image = "caverealms_fungi.png",
	wield_image = "caverealms_fungi.png",
	is_ground_content = true,
	groups = {oddly_breakable_by_hand=3},
	light_source = 5,
	paramtype = "light",
	drawtype = "plantlike",
	walkable = false,
	buildable_to = true,
	visual_scale = 1.0,
	selection_box = {
		type = "fixed",
		fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
	},
})

--mycena mushroom
minetest.register_node("caverealms:mycena", {
	description = "Mycena Mushroom",
	tiles = {"caverealms_mycena.png"},
	inventory_image = "caverealms_mycena.png",
	wield_image = "caverealms_mycena.png",
	is_ground_content = true,
	groups = {oddly_breakable_by_hand=3},
	light_source = 8,
	paramtype = "light",
	drawtype = "plantlike",
	walkable = false,
	buildable_to = true,
	visual_scale = 1.0,
	selection_box = {
		type = "fixed",
		fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
	},
})

--giant mushroom
--stem
minetest.register_node("caverealms:mushroom_stem", {
	description = "Giant Mushroom Stem",
	tiles = {"caverealms_mushroom_stem.png"},
	is_ground_content = true,
	groups = {oddly_breakable_by_hand=1},
})

--cap
minetest.register_node("caverealms:mushroom_cap", {
	description = "Giant Mushroom Cap",
	tiles = {"caverealms_mushroom_cap.png"},
	is_ground_content = true,
	groups = {oddly_breakable_by_hand=1},
})

--gills
minetest.register_node("caverealms:mushroom_gills", {
	description = "Giant Mushroom Gills",
	tiles = {"caverealms_mushroom_gills.png"},
	is_ground_content = true,
	groups = {oddly_breakable_by_hand=1},
	drawtype = "plantlike",
	paramtype = "light",
})

local obsidian_glow = {7, 5, 2, 0}

for i in ipairs(obsidian_glow) do
	if i == 1 then
		nodename = "caverealms:obsidian"
	else
		nodename = "caverealms:obsidian_" .. i
	end
	minetest.register_node(nodename, {
		description = "Obsidian",
		tiles = {"default_obsidian.png"},
		is_ground_content = true,
		sounds = default.node_sound_stone_defaults(),
		groups = {
			cracky=1, level=2, not_in_creative_inventory = 1
		},
		light_source = obsidian_glow[i],
		drop = "default:obsidian",
		paramtype = "light",
	})
end