computer/init.lua at master · minetest-mods/computer · GitHub

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computer = { };

computer.register = function ( name, def )
    if (name:sub(1, 1) == ":") then name = name:sub(2); end
    local modname, basename = name:match("^([^:]+):(.*)")
    local TEXPFX = modname.."_"..basename.."_"
    local ONSTATE = modname..":"..basename
    local OFFSTATE = modname..":"..basename.."_off"
    minetest.register_node(ONSTATE, {
        drawtype = "nodebox";
        paramtype = "light";
        paramtype2 = "facedir";
        description = def.description;
        groups = { snappy=2, choppy=2, oddly_breakable_by_hand=2 };
        tiles = {
            TEXPFX.."tp.png",
            TEXPFX.."bt.png",
            TEXPFX.."rt.png",
            TEXPFX.."lt.png",
            TEXPFX.."bk.png",
            TEXPFX.."ft.png",
        };
        node_box = def.node_box;
        selection_box = def.node_box;
        on_rightclick = function ( pos, node, clicker, itemstack)
            if (def.on_turn_off) then
                if (def.on_turn_off(pos, node, clicker, itemstack)) then return; end
            end
            node.name = OFFSTATE;
            core.set_node(pos, node)
            core.check_for_falling(pos)
        end;
    });
    minetest.register_node(OFFSTATE, {
        drawtype = "nodebox";
        paramtype = "light";
        paramtype2 = "facedir";
        groups = { snappy=2, choppy=2, oddly_breakable_by_hand=2,
            not_in_creative_inventory=1 };
        tiles = {
            (TEXPFX.."tp"..(def.tiles_off.top    and "_off" or "")..".png"),
            (TEXPFX.."bt"..(def.tiles_off.bottom and "_off" or "")..".png"),
            (TEXPFX.."rt"..(def.tiles_off.right  and "_off" or "")..".png"),
            (TEXPFX.."lt"..(def.tiles_off.left   and "_off" or "")..".png"),
            (TEXPFX.."bk"..(def.tiles_off.back   and "_off" or "")..".png"),
            (TEXPFX.."ft"..(def.tiles_off.front  and "_off" or "")..".png"),
        };
        node_box = def.node_box_off or def.node_box;
        selection_box = def.node_box_off or def.node_box;
        on_rightclick = function ( pos, node, clicker, itemstack)
            if (def.on_turn_on) then
                if (def.on_turn_on(pos, node, clicker, itemstack)) then return; end
            end
            node.name = ONSTATE;
            core.set_node(pos, node)
            core.check_for_falling(pos)
        end;
        drop = ONSTATE;
    });
end

computer.register_handheld = function ( name, def )
    if (name:sub(1, 1) == ":") then name = name:sub(2); end
    local modname, basename = name:match("^([^:]+):(.*)")
    local TEXPFX = modname.."_"..basename.."_inv"
    local ONSTATE = modname..":"..basename
    -- no OFFSTATE
    minetest.register_craftitem(ONSTATE, {
        description = def.description;
        inventory_image = TEXPFX..".png";
        wield_image = TEXPFX..".png";
    });
end

computer.pixelnodebox = function ( size, boxes )
    local fixed = { }
    for i, box in ipairs(boxes) do
        local x, y, z, w, h, l = unpack(box)
        fixed[#fixed + 1] = {
            (x / size) - 0.5,
            (y / size) - 0.5,
            (z / size) - 0.5,
            ((x + w) / size) - 0.5,
            ((y + h) / size) - 0.5,
            ((z + l) / size) - 0.5,
        }
    end
    return {
        type = "fixed";
        fixed = fixed;
    };
end

local MODPATH = minetest.get_modpath("computer");
dofile(MODPATH.."/computers.lua");
dofile(MODPATH.."/miscitems.lua");
dofile(MODPATH.."/recipes.lua");