-- ===================================================================

-- This is a fork of Poikilos's fork of "nether". It provides "nether"
-- materials and also live-portal code, but the latter is disabled un-
-- less the following config-file setting is used:
--
--       enable_nether_portal = true

-- ===================================================================

--[[
  Nether mod for minetest

  Copyright (C) 2013 PilzAdam

  Permission to use, copy, modify, and/or distribute this software for
  any purpose with or without fee is hereby granted, provided that the
  above copyright notice and this permission notice appear in all copies.

  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
  WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
  WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR
  BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
  OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  SOFTWARE.
]]--

-- ===================================================================

local modname = minetest.get_current_modname()
local modpath = minetest.get_modpath (modname)

local enable_nether_portal =
    minetest.setting_getbool ("enable_nether_portal")

-- ===================================================================
--                         handle live portals
-- ===================================================================

if enable_nether_portal then
    dofile (modpath .. "/portal.lua")
end

-- ===================================================================
--                         just the materials
-- ===================================================================

-- Nodes

minetest.register_node ("nether:portal", {
    description = "Nether Portal",
    tiles = {
        "nether_transparent.png",
        "nether_transparent.png",
        "nether_transparent.png",
        "nether_transparent.png",
        {
            name = "nether_portal.png",
            animation = {
                type = "vertical_frames",
                aspect_w = 16,
                aspect_h = 16,
                length = 0.5,
            },
        },
        {
            name = "nether_portal.png",
            animation = {
                type = "vertical_frames",
                aspect_w = 16,
                aspect_h = 16,
                length = 0.5,
            },
        },
    },

    drawtype = "nodebox",
    paramtype = "light",
    paramtype2 = "facedir",
    sunlight_propagates = true,
    use_texture_alpha = true,
    walkable = false,
    diggable = false,
    pointable = false,
    buildable_to = false,
    is_ground_content = false,
    drop = "",
    light_source = 5,
    post_effect_color = {a = 180, r = 128, g = 0, b = 128},
    alpha = 192,
    node_box = {
        type = "fixed",
        fixed = {
            {-0.5, -0.5, -0.1,  0.5, 0.5, 0.1},
        },
    },
    groups = {not_in_creative_inventory = 1}
})

minetest.register_node ("nether:rack", {
    description = "Netherrack",
    tiles = {"nether_rack.png"},
    is_ground_content = true,
    groups = {cracky = 3, level = 2},
    sounds = default.node_sound_stone_defaults(),
})

minetest.register_node ("nether:sand", {
    description = "Nethersand",
    tiles = {"nether_sand.png"},
    is_ground_content = true,
    groups = {crumbly = 3, level = 2, falling_node = 1},

    sounds = default.node_sound_gravel_defaults ({
        footstep = {name = "default_gravel_footstep", gain = 0.45},
    }),
})

minetest.register_node ("nether:glowstone", {
    description = "Nether Glowstone",
    tiles = {"nether_glowstone.png"},
    is_ground_content = true,
    light_source = 14,
    paramtype = "light",
    groups = {cracky = 3, oddly_breakable_by_hand = 3},
    sounds = default.node_sound_glass_defaults(),
})

minetest.register_node ("nether:block", {
    description = "Nether Block",
    tiles = {"nether_glowstone.png"},
    is_ground_content = true,
    light_source = 14,
    paramtype = "light",
    groups = {cracky = 3, oddly_breakable_by_hand = 3},
    sounds = default.node_sound_glass_defaults(),
})

minetest.register_node ("nether:brick", {
    description = "Nether Brick",
    tiles = {"nether_brick.png"},
    is_ground_content = false,
    groups = {cracky = 2, level = 2},
    sounds = default.node_sound_stone_defaults(),
})

local fence_texture =
    "default_fence_overlay.png^nether_brick.png^default_fence_overlay.png^[makealpha:255,126,126"

minetest.register_node ("nether:fence_nether_brick", {
    description = "Nether Brick Fence",
    drawtype = "fencelike",
    tiles = {"nether_brick.png"},
    inventory_image = fence_texture,
    wield_image = fence_texture,
    paramtype = "light",
    sunlight_propagates = true,
    is_ground_content = false,
    selection_box = {
        type = "fixed",
        fixed = {-1/7, -1/2, -1/7, 1/7, 1/2, 1/7},
    },
    groups = {cracky = 2, level = 2},
    sounds = default.node_sound_stone_defaults(),
})

-- Register stair and slab

stairs.register_stair_and_slab (
    "nether_brick",
    "nether:brick",
    {cracky = 2, level = 2},
    {"nether_brick.png"},
    "nether stair",
    "nether slab",
    default.node_sound_stone_defaults()
)

-- StairsPlus

if minetest.get_modpath ("moreblocks") then
    stairsplus:register_all (
        "nether", "brick", "nether:brick", {
            description = "Nether Brick",
            groups = {cracky = 2, level = 2},
            tiles = {"nether_brick.png"},
            sounds = default.node_sound_stone_defaults(),
    })
end

stairs.register_stair_and_slab ("nether_brick", "nether:brick",
    {cracky=3, oddly_breakable_by_hand=1},
    {"nether_brick.png"},
    "nether stair",
    "nether slab",
    default.node_sound_stone_defaults())

-- Crafting

minetest.register_craft ({
    output = "nether:brick 4",
    recipe = {
        {"nether:rack", "nether:rack"},
        {"nether:rack", "nether:rack"},
    }
})

minetest.register_craft ({
    output = "nether:fence_nether_brick 6",
    recipe = {
        {"nether:brick", "nether:brick", "nether:brick"},
        {"nether:brick", "nether:brick", "nether:brick"},
    },
})