ShadowNinja
2014-12-15 5382a88aefbd503c00500236510412e6f2b42f4e
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local S = technic.getter
 
technic.register_power_tool("technic:battery", 10000)
technic.register_power_tool("technic:red_energy_crystal", 50000)
technic.register_power_tool("technic:green_energy_crystal", 150000)
technic.register_power_tool("technic:blue_energy_crystal", 450000)
 
minetest.register_craft({
    output = 'technic:battery',
    recipe = {
        {'group:wood', 'default:copper_ingot', 'group:wood'},
        {'group:wood', 'moreores:tin_ingot',   'group:wood'},
        {'group:wood', 'default:copper_ingot', 'group:wood'},
    }
})
 
minetest.register_tool("technic:battery", {
    description = S("RE Battery"),
    inventory_image = "technic_battery.png",
    wear_represents = "technic_RE_charge",
    on_refill = technic.refill_RE_charge,
    tool_capabilities = {
        charge = 0,
        max_drop_level = 0,
        groupcaps = {
            fleshy = {times={}, uses=10000, maxlevel=0}
        }
    }
})
 
local tube = {
    insert_object = function(pos, node, stack, direction)
        if direction.y == 0 then
            return stack
        end
        local meta = minetest.get_meta(pos)
        local inv = meta:get_inventory()
        if direction.y > 0 then
            return inv:add_item("src", stack)
        else
            return inv:add_item("dst", stack)
        end
    end,
    can_insert = function(pos, node, stack, direction)
        if direction.y == 0 then
            return false
        end
        local meta = minetest.get_meta(pos)
        local inv = meta:get_inventory()
        if direction.y > 0 then
            return inv:room_for_item("src", stack)
        else
            return inv:room_for_item("dst", stack)
        end
    end,
    connect_sides = {left=1, right=1, back=1, top=1, bottom=1},
}
 
function technic.register_battery_box(data)
    local tier = data.tier
    local ltier = string.lower(tier)
 
    local formspec =
        "invsize[8,9;]"..
        "image[1,1;1,2;technic_power_meter_bg.png]"..
        "list[current_name;src;3,1;1,1;]"..
        "image[4,1;1,1;technic_battery_reload.png]"..
        "list[current_name;dst;5,1;1,1;]"..
        "label[0,0;"..S("%s Battery Box"):format(tier).."]"..
        "label[3,0;"..S("Charge").."]"..
        "label[5,0;"..S("Discharge").."]"..
        "label[1,3;"..S("Power level").."]"..
        "list[current_player;main;0,5;8,4;]"
    
    if data.upgrade then
        formspec = formspec..
            "list[current_name;upgrade1;3.5,3;1,1;]"..
            "list[current_name;upgrade2;4.5,3;1,1;]"..
            "label[3.5,4;"..S("Upgrade Slots").."]"
    end
 
    local run = function(pos, node)
        local meta           = minetest.get_meta(pos)
        local eu_input       = meta:get_int(tier.."_EU_input")
        local current_charge = meta:get_int("internal_EU_charge")
 
        local EU_upgrade, tube_upgrade = 0, 0
        if data.upgrade then
            EU_upgrade, tube_upgrade = technic.handle_machine_upgrades(meta)
        end
        local max_charge = data.max_charge * (1 + EU_upgrade / 10)
            
        -- Charge/discharge the battery with the input EUs
        if eu_input >= 0 then
            current_charge = math.min(current_charge + eu_input, max_charge)
        else
            current_charge = math.max(current_charge + eu_input, 0)
        end
 
        -- Charging/discharging tools here
        local tool_full, tool_empty
        current_charge, tool_full = technic.charge_tools(meta,
                current_charge, data.charge_step)
        current_charge, tool_empty = technic.discharge_tools(meta,
                current_charge, data.discharge_step,
                max_charge)
            
        if data.tube then
            local inv = meta:get_inventory()
            technic.handle_machine_pipeworks(pos, tube_upgrade,
            function(pos, x_velocity, z_velocity)
                if tool_full and not inv:is_empty("src") then
                    technic.send_items(pos, x_velocity, z_velocity, "src")
                elseif tool_empty and not inv:is_empty("dst") then
                    technic.send_items(pos, x_velocity, z_velocity, "dst")
                end
            end)
        end
 
        -- We allow batteries to charge on less than the demand
        meta:set_int(tier.."_EU_demand",
                math.min(data.charge_rate, max_charge - current_charge))
        meta:set_int(tier.."_EU_supply",
                math.min(data.discharge_rate, current_charge))
            meta:set_int("internal_EU_charge", current_charge)
 
        -- Select node textures
        local charge_count = math.ceil((current_charge / max_charge) * 8)
        charge_count = math.min(charge_count, 8)
        charge_count = math.max(charge_count, 0)
        local last_count = meta:get_float("last_side_shown")
        if charge_count ~= last_count then
            technic.swap_node(pos,"technic:"..ltier.."_battery_box"..charge_count)
            meta:set_float("last_side_shown", charge_count)
        end
 
        local charge_percent = math.floor(current_charge / max_charge * 100)
        meta:set_string("formspec",
            formspec..
            "image[1,1;1,2;technic_power_meter_bg.png"
            .."^[lowpart:"..charge_percent
            ..":technic_power_meter_fg.png]")
 
        local infotext = S("%s Battery Box: %d/%d"):format(tier,
                current_charge, max_charge)
        if eu_input == 0 then
            infotext = S("%s Idle"):format(infotext)
        end
        meta:set_string("infotext", infotext)
    end
    
    for i = 0, 8 do
        local groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1}
        if i ~= 0 then
            groups.not_in_creative_inventory = 1
        end
        
        if data.tube then
            groups.tubedevice = 1
            groups.tubedevice_receiver = 1
        end
        
        minetest.register_node("technic:"..ltier.."_battery_box"..i, {
            description = S("%s Battery Box"):format(tier),
            tiles = {"technic_"..ltier.."_battery_box_top.png",
                     "technic_"..ltier.."_battery_box_bottom.png",
                 "technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png",
                 "technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png",
                 "technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png",
                 "technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png"},
            groups = groups,
            tube = data.tube and tube or nil,
            paramtype2 = "facedir",
            sounds = default.node_sound_wood_defaults(),
            drop = "technic:"..ltier.."_battery_box0",
            on_construct = function(pos)
                local meta = minetest.get_meta(pos)
                local inv = meta:get_inventory()
                local node = minetest.get_node(pos)
 
                meta:set_string("infotext", S("%s Battery Box"):format(tier))
                meta:set_string("formspec", formspec)
                meta:set_int(tier.."_EU_demand", 0)
                meta:set_int(tier.."_EU_supply", 0)
                meta:set_int(tier.."_EU_input",  0)
                meta:set_float("internal_EU_charge", 0)
                inv:set_size("src", 1)
                inv:set_size("dst", 1)
                inv:set_size("upgrade1", 1)
                inv:set_size("upgrade2", 1)
            end,
            can_dig = technic.machine_can_dig,
            allow_metadata_inventory_put = technic.machine_inventory_put,
            allow_metadata_inventory_take = technic.machine_inventory_take,
            allow_metadata_inventory_move = technic.machine_inventory_move,
            technic_run = run,
        })
    end
 
    -- Register as a battery type
    -- Battery type machines function as power reservoirs and can both receive and give back power
    for i = 0, 8 do
        technic.register_machine(tier, "technic:"..ltier.."_battery_box"..i, technic.battery)
    end
 
end -- End registration
 
 
function technic.charge_tools(meta, batt_charge, charge_step)
    local inv = meta:get_inventory()
    if inv:is_empty("src") then
        return batt_charge, false
    end
    local src_stack = inv:get_stack("src", 1)
 
    local tool_name = src_stack:get_name()
    if not technic.power_tools[tool_name] then
        return batt_charge, false
    end
    -- Set meta data for the tool if it didn't do it itself
    local src_meta = minetest.deserialize(src_stack:get_metadata()) or {}
    if not src_meta.charge then
        src_meta.charge = 0
    end
    -- Do the charging
    local item_max_charge = technic.power_tools[tool_name]
    local tool_charge     = src_meta.charge
    if tool_charge >= item_max_charge then
        return batt_charge, true
    elseif batt_charge <= 0 then
        return batt_charge, false
    end
    charge_step = math.min(charge_step, batt_charge)
    charge_step = math.min(charge_step, item_max_charge - tool_charge)
    tool_charge = tool_charge + charge_step
    batt_charge = batt_charge - charge_step
    technic.set_RE_wear(src_stack, tool_charge, item_max_charge)
    src_meta.charge = tool_charge
    src_stack:set_metadata(minetest.serialize(src_meta))
    inv:set_stack("src", 1, src_stack)
    return batt_charge, (tool_charge == item_max_charge)
end
 
 
function technic.discharge_tools(meta, batt_charge, charge_step, max_charge)
    local inv = meta:get_inventory()
    if inv:is_empty("dst") then
        return batt_charge, false
    end
    srcstack = inv:get_stack("dst", 1)
    local toolname = srcstack:get_name()
    if technic.power_tools[toolname] == nil then
        return batt_charge, false
    end
    -- Set meta data for the tool if it didn't do it itself :-(
    local src_meta = minetest.deserialize(srcstack:get_metadata())
    src_meta = src_meta or {}
    if not src_meta.charge then
        src_meta.charge = 0
    end
 
    -- Do the discharging
    local item_max_charge = technic.power_tools[toolname]
    local tool_charge     = src_meta.charge
    if tool_charge <= 0 then
        return batt_charge, true
    elseif batt_charge >= max_charge then
        return batt_charge, false
    end
    charge_step = math.min(charge_step, max_charge - batt_charge)
    charge_step = math.min(charge_step, tool_charge)
    tool_charge = tool_charge - charge_step
    batt_charge = batt_charge + charge_step
    technic.set_RE_wear(srcstack, tool_charge, item_max_charge)
    src_meta.charge = tool_charge
    srcstack:set_metadata(minetest.serialize(src_meta))
    inv:set_stack("dst", 1, srcstack)
    return batt_charge, (tool_charge == 0)
end