local reg_node = ocutil.safe_register_node

-- Boilerplate to support localized strings if intllib mod is installed.
local S
if (minetest.get_modpath("intllib")) then
    S = intllib.Getter()
else
    S = function ( s ) return s end
end

dice2 = {}

local dice2_param = {
    { "white"  , "#FFFFFF" } ,
    { "red"    , "#AA0000" } ,
    { "green"  , "#00BB00" } ,
    { "blue"   , "#0000AA" } ,
    { "orange" , "#ee6200" } ,
    { "violet" , "#6E00CB" } ,
    { "brown"  , "#654321" } ,
}

--[[ throw dice (randomly change facedir and play sound ]]

function dice2.throw(pos, node, clicker, itemstack, pointed_thing)
    local newnode = node

    --[[ Why math.random(0,23), you ask?
    This includes the facing direction (1 out of 6) and the rotation (1 out of 4).
    This is basically the same as
        math.random(0,5) + math.random(0,4)*6
    .
    Don’t worry, the probability is still 1/6 for each facing direction. ]]
    newnode.param2 = math.random(0,23)
    minetest.swap_node(pos,newnode)
    minetest.sound_play( {name="dice2_throw", gain=1 }, {pos=pos, loop=false})
    return itemstack
end

--[[ place dice and use a random facedir ]]
function dice2.construct(pos) --, placer, itemstack, pointed_thing)
    local newnode = minetest.get_node(pos)
    newnode.param2 = math.random(0,23)
    minetest.swap_node(pos,newnode)
end

for _, row in ipairs (dice2_param) do

    local color_name = row [1]
    local color_code = row [2]
    local pngbase    = "dice2_" .. color_name
    local postmod    = ""

    if color_name == "white" then
        pngbase = "dice2_blank.png^[colorize:#000000" ..
            ":255^dice2_trans"
        postmod = "^[invert:rgb"
    else
        pngbase = "dice2_blank.png^[colorize:" ..
            color_code .. ":255^dice2_trans"
    end

    local node_name = "dice2:"      .. color_name
    local node_alt  = "dice2:dice_" .. color_name

    reg_node (node_name, {
        description = ocutil.first_to_upper (color_name) .. " dice" ,

        tiles = {
            pngbase .. "6.png" .. postmod ,
            pngbase .. "1.png" .. postmod ,
            pngbase .. "5.png" .. postmod ,
            pngbase .. "2.png" .. postmod ,
            pngbase .. "4.png" .. postmod ,
            pngbase .. "3.png" .. postmod ,
        } ,

        groups     = { choppy=2, flammable=1, dig_immediate=2 } ,
        paramtype2 = "facedir" ,

        sounds     = {
            footstep = { name="dice2_punchstep" , gain = 0.75   } ,
            dig      = { name="dice2_punchstep" , gain = 0.8325 } ,
            dug      = { name="dice2_punchstep" , gain = 1      } ,
            place    = { name="dice2_place"     , gain = 1      } ,
        } ,

        on_rightclick     = dice2.throw     ,
        on_construct      = dice2.construct ,
        is_ground_content = false           ,
    })

    minetest.register_alias (node_alt, node_name)

    minetest.register_craft({
        type     = "fuel"    ,
        recipe   = node_name ,
        burntime = 5         ,
    })

    local obj = "dye:" .. color_name

    if color_name ~= "white" and ocutil.thing_exists (obj) then
        minetest.register_craft ({
            type   = "shapeless",
            output = node_name  ,
            recipe = { "dice2:dice_white", obj, "dye:white" }
        })
    end
end

minetest.register_craft({
    output = "dice2:dice_white 5",
    recipe = {
        { "group:wood", "", "group:wood" },
        { "", "group:wood", ""} ,
        { "group:wood", "", "group:wood" }
    }
})