local get_node_or_nil = minetest.get_node_or_nil
local get_item_group = minetest.get_item_group
local light_max = 12
local max_depth = 31000


minetest.register_node("loud_walking:scrith", {
	description = "Scrith",
	paramtype = "light",
	tiles = {"default_obsidian.png"},
	use_texture_alpha = true,
	is_ground_content = false,
	groups = {},
	sounds = default.node_sound_stone_defaults(),
})

minetest.register_node("loud_walking:sky_scrith", {
	description = "Transparent Scrith",
	drawtype = "glasslike",
	paramtype = "light",
	sunlight_propagates = true,
	tiles = {"loud_walking_sky_glass.png"},
	light_source = 1,
	use_texture_alpha = true,
	is_ground_content = false,
	groups = {},
	sounds = default.node_sound_stone_defaults(),
})
local node = loud_walking.clone_node("loud_walking:sky_scrith")
node.tiles = {"loud_walking_cloud_glass.png"}
minetest.register_node("loud_walking:cloud_scrith", node)
node = loud_walking.clone_node("loud_walking:sky_scrith")
node.tiles = {"loud_walking_glass_detail.png"}
minetest.register_node("loud_walking:transparent_scrith", node)

node = loud_walking.clone_node("air")
node.light_source = minetest.LIGHT_MAX
minetest.register_node("loud_walking:light_air", node)

minetest.register_node("loud_walking:control_floor", {
	description = "Floor",
	paramtype = "light",
	tiles = {"loud_walking_control_floor.png"},
	light_source = minetest.LIGHT_MAX,
	use_texture_alpha = true,
	is_ground_content = false,
	groups = {},
	sounds = default.node_sound_stone_defaults(),
})
node = loud_walking.clone_node("loud_walking:control_floor")
node.tiles = { "loud_walking_control_floor.png", "loud_walking_control_floor_alert.png", "loud_walking_control_floor.png"}
minetest.register_node("loud_walking:control_floor_alert_down", node)
node = loud_walking.clone_node("loud_walking:control_floor")
node.tiles = {"loud_walking_control_floor_alert.png", "loud_walking_control_floor.png", "loud_walking_control_floor.png"}
minetest.register_node("loud_walking:control_floor_alert_up", node)
node.tiles = {"loud_walking_control_floor_alert.png", "loud_walking_control_floor_alert.png", "loud_walking_control_floor.png"}
minetest.register_node("loud_walking:control_floor_alert_both", node)
node.tiles = {"loud_walking_strange_growth.png", "loud_walking_control_floor.png", "loud_walking_control_floor.png"}
minetest.register_node("loud_walking:control_floor_growth", node)

minetest.register_node("loud_walking:control_wall", {
	description = "Wall",
	paramtype = "light",
	tiles = {"loud_walking_control_wall.png"},
	use_texture_alpha = true,
	light_source = minetest.LIGHT_MAX,
	is_ground_content = false,
	groups = {},
	sounds = default.node_sound_stone_defaults(),
})

loud_walking.control_fun = function(pos, node, puncher, pointed_thing)
	if not puncher:is_player() then
		return
	end

	local sr = math.random(20)
	if sr < 3 then
		puncher:set_hp(puncher:get_hp() - sr)
	elseif sr < 6 then
		minetest.chat_send_player(puncher:get_player_name(), "Prepare for transport...")
		local pos = {x=50000, y=50000, z=50000}
		while pos.x > 31000 or pos.x < -31000 do
			pos.x = math.random(-100, 100) * loud_walking.fcsize.x + math.floor(loud_walking.pod_size.x / 2)
		end
		while pos.y > 31000 or pos.y < -31000 do
			pos.y = loud_walking.baseline + math.floor(loud_walking.pod_size.y / 2) - 3
		end
		while pos.z > 31000 or pos.z < -31000 do
			pos.z = math.random(-100, 100) * loud_walking.fcsize.z + math.floor(loud_walking.pod_size.z / 2)
		end
		puncher:setpos(pos)
	elseif sr == 6 then
		minetest.chat_send_player(puncher:get_player_name(), "Infectious organism detected. Sterilizing area...")
		for z1 = -4, 4 do
			for y1 = -4, 4 do
				for x1 = -4, 4 do
					local p = {x = pos.x + x1, y = pos.y + y1, z = pos.z + z1}
					local node = minetest.get_node(p)
					if node and node.name == "air" then
						minetest.set_node(p, {name="fire:basic_flame"})
					end
				end
			end
		end
	elseif sr == 7 then
		minetest.chat_send_player(puncher:get_player_name(), "Repairing injured animal...")
		puncher:set_hp(20)
	elseif sr == 8 then
		minetest.chat_send_player(puncher:get_player_name(), "Reseting chronometers...")
		minetest.set_timeofday(math.random(100)/100)
	elseif sr == 9 then
		minetest.chat_send_player(puncher:get_player_name(), "Escaped animal detected. Ejecting...")
		local pos = puncher:getpos()
		for z1 = -1, 1 do
			for x1 = -1, 1 do
				minetest.set_node({x = pos.x + x1, y = pos.y - 1, z = pos.z + z1}, {name="air"})
			end
		end
	elseif sr == 10 then
		minetest.set_node(pos, {name="air"})
	else
		minetest.chat_send_player(puncher:get_player_name(), "Please do not press this button again.")
	end
end

minetest.register_node("loud_walking:controls", {
	description = "Alien control system",
	paramtype = "light",
	tiles = {"loud_walking_controls.png"},
	use_texture_alpha = true,
	is_ground_content = false,
	groups = {},
	sounds = default.node_sound_stone_defaults(),
	on_punch = loud_walking.control_fun,
})

minetest.register_node("loud_walking:air_ladder", {
	description = "Air Ladder",
	drawtype = "glasslike",
	tiles = {"loud_walking_air_ladder.png"},
	paramtype = "light",
	sunlight_propagates = true,
	walkable = false,
	use_texture_alpha = true,
	climbable = true,
	is_ground_content = false,
	selection_box = {
		type = "fixed",
		fixed = {0, 0, 0, 0, 0, 0},
	},
})

minetest.register_node("loud_walking:control_plant_1", {
	description = "Strange Plant",
	drawtype = "plantlike",
	waving = 1,
	tiles = {"loud_walking_strange_plant_1.png"},
	paramtype = "light",
	sunlight_propagates = true,
	walkable = false,
	buildable_to = true,
	groups = {},
	sounds = default.node_sound_leaves_defaults(),
	selection_box = {
		type = "fixed",
		fixed = {0, 0, 0, 0, 0, 0},
	},
})

minetest.register_node("loud_walking:control_plant_2", {
	description = "Strange Plant",
	drawtype = "plantlike",
	waving = 1,
	tiles = {"loud_walking_strange_plant_2.png"},
	paramtype = "light",
	sunlight_propagates = true,
	walkable = false,
	buildable_to = true,
	groups = {},
	sounds = default.node_sound_leaves_defaults(),
	selection_box = {
		type = "fixed",
		fixed = {0, 0, 0, 0, 0, 0},
	},
})


do
  local n = loud_walking.clone_node('air')
  n.drowning = 1
  minetest.register_node('loud_walking:vacuum', n)
end


-- Polluted dirt
newnode = loud_walking.clone_node("default:dirt")
newnode.description = "Polluted Dirt"
newnode.tiles = {"default_dirt.png^[colorize:#100020:100"}
newnode.groups.soil = 0
minetest.register_node("loud_walking:polluted_dirt", newnode)

-- Bare branches
minetest.register_node('loud_walking:sticks_default', {
  description = 'Sticks',
  drawtype = 'allfaces_optional',
  waving = 1,
  visual_scale = 1.3,
  tiles = {'loud_walking_dry_twigs.png'},
  paramtype = 'light',
  is_ground_content = false,
  drop = 'default:stick 2',
  groups = {snappy = 3, leafdecay = 3, flammable = 2, leaves = 1},
})

-- Black leaves
newnode = loud_walking.clone_node("default:leaves")
newnode.description = "Blackened Leaves"
newnode.tiles = {"default_leaves.png^[colorize:#100020:200"}
newnode.special_tiles = {"default_leaves_simple.png^[colorize:#100020:200"}
newnode.groups = {snappy = 3, flammable = 2}
minetest.register_node("loud_walking:leaves_black", newnode)


minetest.register_node("loud_walking:water_poison_source", {
	description = "Poisonous Water",
	drawtype = "liquid",
	tiles = {
		{
			name = "loud_walking_water_poison_source_animated.png",
			backface_culling = false,
			animation = {
				type = "vertical_frames",
				aspect_w = 16,
				aspect_h = 16,
				length = 2.0,
			},
		},
		{
			name = "loud_walking_water_poison_source_animated.png",
			backface_culling = true,
			animation = {
				type = "vertical_frames",
				aspect_w = 16,
				aspect_h = 16,
				length = 2.0,
			},
		},
	},
	alpha = 160,
	paramtype = "light",
	walkable = false,
	pointable = false,
	diggable = false,
	buildable_to = true,
	is_ground_content = false,
	drop = "",
	drowning = 1,
	liquidtype = "source",
	liquid_alternative_flowing = "loud_walking:water_poison_flowing",
	liquid_alternative_source = "loud_walking:water_poison_source",
	liquid_viscosity = 1,
	post_effect_color = {a = 103, r = 108, g = 128, b = 64},
	groups = {water = 3, liquid = 3, cools_lava = 1, poison = 4},
	sounds = default.node_sound_water_defaults(),
})

minetest.register_node("loud_walking:water_poison_flowing", {
	description = "Poisonous Water",
	drawtype = "flowingliquid",
	tiles = {"loud_walking_water_poison.png"},
	special_tiles = {
		{
			name = "loud_walking_water_poison_flowing_animated.png",
			backface_culling = false,
			animation = {
				type = "vertical_frames",
				aspect_w = 16,
				aspect_h = 16,
				length = 0.8,
			},
		},
		{
			name = "loud_walking_water_poison_flowing_animated.png",
			backface_culling = true,
			animation = {
				type = "vertical_frames",
				aspect_w = 16,
				aspect_h = 16,
				length = 0.8,
			},
		},
	},
	alpha = 160,
	paramtype = "light",
	paramtype2 = "flowingliquid",
	walkable = false,
	pointable = false,
	diggable = false,
	buildable_to = true,
	is_ground_content = false,
	drop = "",
	drowning = 1,
	liquidtype = "flowing",
	liquid_alternative_flowing = "loud_walking:water_poison_flowing",
	liquid_alternative_source = "loud_walking:water_poison_source",
	liquid_viscosity = 1,
	post_effect_color = {a = 103, r = 108, g = 128, b = 64},
	groups = {water = 3, liquid = 3, not_in_creative_inventory = 1,
		cools_lava = 1, poison = 3},
	sounds = default.node_sound_water_defaults(),
})

bucket.register_liquid(
	"loud_walking:water_poison_source",
	"loud_walking:water_poison_flowing",
	"loud_walking:bucket_poison",
	"bucket_poison.png",
	"Poison Bucket",
	{}
)

minetest.register_node("loud_walking:basalt", {
  description = "Basalt",
  tiles = {"loud_walking_basalt.png"},
  is_ground_content = true,
  groups = {cracky=1, level=2},
  sounds = default.node_sound_stone_defaults({
    footstep = {name="default_stone_footstep", gain=0.25},
  }),
})
minetest.register_alias('loud_walking:basalt_raw', 'loud_walking:basalt')


minetest.register_node("loud_walking:granite", {
  description = "Granite",
  tiles = {"loud_walking_granite.png"},
  is_ground_content = true,
  groups = {cracky=1, level=3},
  sounds = default.node_sound_stone_defaults({
    footstep = {name="default_stone_footstep", gain=0.25},
  }),
})
minetest.register_alias('loud_walking:granite_raw', 'loud_walking:granite')


newnode = loud_walking.clone_node("default:stone")
newnode.tiles = {'loud_walking_cracked_stone.png'}
minetest.register_node('loud_walking:cracked_stone', newnode)


minetest.register_ore({
  ore_type       = "scatter",
  ore            = "default:lava_source",
  wherein        = "loud_walking:cracked_stone",
  clust_scarcity = 10 * 10 * 10,
  clust_num_ores = 1,
  clust_size     = 1,
  y_min          = 1,
  y_max          = 10,
})


newnode = loud_walking.clone_node("default:dry_shrub")
newnode.tiles = {'loud_walking_black_shrub.png'}
minetest.register_node('loud_walking:blackened_shrub', newnode)


do
  local size_name = 1
  for size = 1, 4 do
    local name = 'loud_walking:stone_spike_'..size_name
    minetest.register_node(name, {
      description = "Stone Spike",
      tiles = {"loud_walking_spike_1.png"},
      inventory_image = "loud_walking_spike_1.png",
      wield_image = "loud_walking_spike_1.png",
      is_ground_content = true,
      groups = {cracky=3},
      sounds = default.node_sound_stone_defaults(),
      --light_source = 3,
      paramtype = "light",
      drawtype = "plantlike",
      walkable = true,
      buildable_to = true,
      visual_scale = size,
      selection_box = {
        type = "fixed",
        fixed = {-0.3*size, -0.5, -0.3*size, 0.3*size, -5/16, 0.3*size},
      }
    })
    size_name = size_name + 1
  end
end


minetest.register_node('loud_walking:fur_tree', {
  description = "Fur Fronds",
  tiles = {"loud_walking_fur_frond.png"},
  inventory_image = "loud_walking_fur_frond.png",
  wield_image = "loud_walking_fur_frond.png",
  is_ground_content = true,
  groups = {choppy=3},
  sounds = default.node_sound_wood_defaults(),
  paramtype = "light",
  drawtype = "plantlike",
  walkable = false,
  buildable_to = true,
  --visual_scale = 2,
  selection_box = {
    type = "fixed",
    fixed = {-0.1, -0.5, -0.1, 0.1, 0.5, 0.1},
  }
})


newnode = loud_walking.clone_node("default:dirt_with_grass")
newnode.groups.spreading_dirt_type = nil
newnode.tiles = {"loud_walking_odd_grass_1.png", "default_dirt.png",
{name = "default_dirt.png^loud_walking_odd_grass_1.png",
tileable_vertical = false}}
minetest.register_node('loud_walking:dirt_with_odd_grass', newnode)


minetest.register_node("loud_walking:strange_plant_1", {
  description = "Strange Plant",
  drawtype = "plantlike",
  waving = 1,
  tiles = {"loud_walking_strange_plant_1.png"},
  paramtype = "light",
  sunlight_propagates = true,
  walkable = false,
  buildable_to = true,
  groups = { snappy = 3, flower = 1, flora = 1, attached_node = 1, },
  sounds = default.node_sound_leaves_defaults(),
  selection_box = {
    type = "fixed",
    fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
  },
})


minetest.register_node("loud_walking:strange_plant_2", {
  description = "Strange Plant",
  drawtype = "plantlike",
  waving = 1,
  tiles = {"loud_walking_strange_plant_2.png"},
  paramtype = "light",
  sunlight_propagates = true,
  walkable = false,
  buildable_to = true,
  groups = { snappy = 3, flora = 1, attached_node = 1, },
  sounds = default.node_sound_leaves_defaults(),
  selection_box = {
    type = "fixed",
    fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
  },
})