Maciej Kasatkin
2012-09-02 d455791cfb2d93e3625c1db103f069fa11c3d566
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minetest.register_craftitem( "technic:coal_dust", {
    description = "Coal Dust",
    inventory_image = "technic_coal_dust.png",
    on_place_on_ground = minetest.craftitem_place_item,
    })
 
minetest.register_craftitem( "technic:iron_dust", {
    description = "Iron Dust",
    inventory_image = "technic_iron_dust.png",
    on_place_on_ground = minetest.craftitem_place_item,
    })
 
minetest.register_craft({
    type = "cooking",
    output = "default:steel_ingot",
    recipe = "technic:iron_dust",
}) 
 
minetest.register_craftitem( "technic:copper_dust", {
    description = "Copper Dust",
    inventory_image = "technic_copper_dust.png",
    on_place_on_ground = minetest.craftitem_place_item,
    })
minetest.register_craft({
    type = "cooking",
    output = "moreores:copper_ingot",
    recipe = "technic:copper_dust",
}) 
 
minetest.register_craftitem( "technic:tin_dust", {
    description = "Tin Dust",
    inventory_image = "technic_tin_dust.png",
    on_place_on_ground = minetest.craftitem_place_item,
    })
minetest.register_craft({
    type = "cooking",
    output = "moreores:tin_ingot",
    recipe = "technic:tin_dust",
}) 
 
minetest.register_craftitem( "technic:silver_dust", {
    description = "Silver Dust",
    inventory_image = "technic_silver_dust.png",
    on_place_on_ground = minetest.craftitem_place_item,
    })
minetest.register_craft({
    type = "cooking",
    output = "moreores:silver_ingot",
    recipe = "technic:silver_dust",
}) 
 
minetest.register_craftitem( "technic:gold_dust", {
    description = "Gold Dust",
    inventory_image = "technic_gold_dust.png",
    on_place_on_ground = minetest.craftitem_place_item,
    })
minetest.register_craft({
    type = "cooking",
    output = "moreores:gold_ingot",
    recipe = "technic:gold_dust",
}) 
 
minetest.register_craftitem( "technic:mithril_dust", {
    description = "Mithril Dust",
    inventory_image = "technic_mithril_dust.png",
    on_place_on_ground = minetest.craftitem_place_item,
    })
minetest.register_craft({
    type = "cooking",
    output = "moreores:mithril_ingot",
    recipe = "technic:mithril_dust",
}) 
 
minetest.register_alias("grinder", "technic:grinder")
minetest.register_craft({
    output = 'technic:grinder',
    recipe = {
        {'default:desert_stone', 'default:desert_stone', 'default:desert_stone'},
        {'default:desert_stone', 'technic:diamond', 'default:desert_stone'},
        {'default:stone', 'moreores:copper_ingot', 'default:stone'},
    }
})
 
minetest.register_craftitem("technic:grinder", {
    description = "Grinder",
    stack_max = 99,
}) 
 
grinder_formspec =
    "invsize[8,9;]"..
    "image[1,1;1,2;technic_power_meter_bg.png]"..
    "label[0,0;Grinder]"..
    "label[1,3;Power level]"..
    "list[current_name;src;3,1;1,1;]"..
    "list[current_name;dst;5,1;2,2;]"..
    "list[current_player;main;0,5;8,4;]"
    
 
minetest.register_node("technic:grinder", {
    description = "Grinder",
    tiles = {"technic_grinder_top.png", "technic_machine_bottom.png", "technic_grinder_side.png",
        "technic_grinder_side.png", "technic_grinder_side.png", "technic_grinder_front.png"},
    paramtype2 = "facedir",
    groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
    legacy_facedir_simple = true,
    sounds = default.node_sound_wood_defaults(),
    technic_power_machine=1,
    internal_EU_buffer=0;
    internal_EU_buffer_size=5000;
    grind_time=0;
    grinded = nil;
    src_time = 0;
    on_construct = function(pos)
        local meta = minetest.env:get_meta(pos)
        meta:set_string("infotext", "Grinder")
        meta:set_float("technic_power_machine", 1)
        meta:set_float("internal_EU_buffer", 0)
        meta:set_float("internal_EU_buffer_size", 5000)
        meta:set_string("formspec", grinder_formspec)
        meta:set_float("grind_time", 0)
        
        local inv = meta:get_inventory()
        inv:set_size("src", 1)
        inv:set_size("dst", 4)
        
        end,    
    can_dig = function(pos,player)
        local meta = minetest.env:get_meta(pos);
        local inv = meta:get_inventory()
        if not inv:is_empty("src") then
            return false
        end
        if not inv:is_empty("dst") then
            return false
        end
 
        return true
        end,
 
})
 
minetest.register_abm({
    nodenames = {"technic:grinder"},
    interval = 1,
    chance = 1,
    action = function(pos, node, active_object_count, active_object_count_wider)
 
    local meta = minetest.env:get_meta(pos)
    local charge= meta:get_float("internal_EU_buffer")
    local max_charge= meta:get_float("internal_EU_buffer_size")
    local grind_cost=200
 
    local load = math.floor((charge/max_charge)*100)
    meta:set_string("formspec",
                "invsize[8,9;]"..
                "image[1,1;1,2;technic_power_meter_bg.png^[lowpart:"..
                        (load)..":technic_power_meter_fg.png]"..
                "label[0,0;Grinder]"..
                "label[1,3;Power level]"..
                "list[current_name;src;3,1;1,1;]"..
                "list[current_name;dst;5,1;2,2;]"..
                "list[current_player;main;0,5;8,4;]"
                )
                
        
 
        local inv = meta:get_inventory()
        
--        local grinder_on = meta:get_float("grinder_on")
        
        
        local srclist = inv:get_list("src")
        if inv:is_empty("src") then meta:set_float("grinder_on",0) end 
    
        
        if (meta:get_float("grinder_on") == 1) then
            if charge>=grind_cost then
            charge=charge-grind_cost;
            meta:set_float("internal_EU_buffer",charge)
            meta:set_float("src_time", meta:get_float("src_time") + 1)
            if meta:get_float("src_time") >= meta:get_float("grind_time") then
                -- check if there's room for output in "dst" list
                grinded = get_grinded_item (inv:get_stack("src", 1))        
                if inv:room_for_item("dst",grinded) then
                    -- Put result in "dst" list
                    inv:add_item("dst", grinded)
                    -- take stuff from "src" list
                    srcstack = inv:get_stack("src", 1)
                    srcstack:take_item()
                    inv:set_stack("src", 1, srcstack)
                    if inv:is_empty("src") then meta:set_float("grinder_on",0) end 
 
 
 
                else
                    print("Grinder inventory full!")
                end
                meta:set_float("src_time", 0)
            end
            end        
        end
        
        if (meta:get_float("grinder_on")==0) then
        local grinded=nil 
        if not inv:is_empty("src") then
         grinded = get_grinded_item (inv:get_stack("src", 1))
         if grinded then meta:set_float("grinder_on",1) end
         grind_time=4
         meta:set_float("grind_time",grind_time)
         meta:set_float("src_time", 0)
        end
        end
        
    
    end
}) 
 
function get_grinded_item (items)
new_item =nil
src_item=items:to_table()
item_name=src_item["name"]
        
if item_name=="default:stone" then new_item=ItemStack("default:sand") return new_item end
if item_name=="default:cobble" then new_item=ItemStack("default:gravel") return new_item end
if item_name=="default:gravel" then new_item=ItemStack("default:dirt") return new_item end
if item_name=="default:desert_stone" then new_item=ItemStack("default:desert_sand") return new_item end
if item_name=="default:iron_lump" then new_item=ItemStack("technic:iron_dust 2") return new_item end
if item_name=="default:coal_lump" then new_item=ItemStack("technic:coal_dust 2") return new_item end
if item_name=="moreores:copper_lump" then new_item=ItemStack("technic:copper_dust 2") return new_item end
if item_name=="moreores:tin_lump" then new_item=ItemStack("technic:tin_dust 2") return new_item end
if item_name=="moreores:silver_lump" then new_item=ItemStack("technic:silver_dust 2") return new_item end
if item_name=="moreores:gold_lump" then new_item=ItemStack("technic:gold_dust 2") return new_item end
if item_name=="moreores:mithril_lump" then new_item=ItemStack("technic:mithril_dust 2") return new_item end
 
return nil
end