elepower/elepower_papi/tool.lua

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ele.tools = {}
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local creative = minetest.settings:get_bool("creative_mode")
-- Get a tool property
function ele.tools.get_tool_property(itemstack, param)
local meta = itemstack:get_meta()
local value = meta:get_int(param)
if not value or value == 0 then
local itemdef = minetest.registered_items[itemstack:get_name()]
local dparam = itemdef["ele_" .. param]
if dparam then
value = dparam
end
end
return value
end
-- Set tool capabilities based on wear
function ele.tools.groupcaps(itemstack)
local wear = itemstack:get_wear()
local meta = itemstack:get_meta()
local itemdef = minetest.registered_items[itemstack:get_name()]
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if wear == 65535 and meta:get_int("disable") ~= 1 and not creative then
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local prvcaps = itemstack:get_tool_capabilities()
meta:set_string("toolcaps", minetest.serialize(prvcaps))
meta:set_tool_capabilities({})
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meta:set_int("disable", 1)
return itemstack
end
if wear ~= 65535 and meta:get_int("disable") == 1 then
local prvcaps = minetest.deserialize(meta:get_string("toolcaps"))
meta:set_tool_capabilities(prvcaps)
meta:set_int("disable", 0)
end
return itemstack
end
function ele.tools.update_tool_wear(itemstack)
local capacity = ele.tools.get_tool_property(itemstack, "capacity")
local storage = ele.tools.get_tool_property(itemstack, "storage")
local meta = itemstack:get_meta()
local itemdef = minetest.registered_items[itemstack:get_name()]
local percent = storage / capacity
local wear = math.floor((1-percent) * 65535)
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local tooldesc = meta:get_string("tool_description")
if tooldesc == "" then tooldesc = itemdef.description end
meta:set_string("description", tooldesc .. "\n" .. ele.capacity_text(capacity, storage))
itemstack:set_wear(wear)
itemstack = ele.tools.groupcaps(itemstack)
return itemstack
end
function ele.register_tool(toolname, tooldef)
if not tooldef.groups then
tooldef.groups = {}
end
tooldef.groups["ele_tool"] = 1
-- Start cleaning up the tooldef
local defaults = {
ele_capacity = 1600,
ele_usage = 64,
}
-- Ensure everything that's required is present
for k,v in pairs(defaults) do
if not tooldef[k] then
tooldef[k] = v
end
end
local original_after_use = tooldef.after_use
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-- Apply wear
tooldef.after_use = function (itemstack, user, node, digparams)
if original_after_use then
itemstack = original_after_use(itemstack, user, node, digparams)
end
local meta = itemstack:get_meta()
local storage = ele.tools.get_tool_property(itemstack, "storage")
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local usage = ele.tools.get_tool_property(itemstack, "usage")
if digparams.wear == 0 then
return itemstack
end
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storage = storage - usage
if storage < 0 then
storage = 0
end
meta:set_int("storage", storage)
itemstack = ele.tools.update_tool_wear(itemstack)
return itemstack
end
-- Special uses tools
if tooldef.on_use then
local original_on_use = tooldef.on_use
tooldef.on_use = function (itemstack, player, pointed_thing)
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local pos = pointed_thing.under
if not pos or not player or minetest.is_protected(pos, player:get_player_name()) then
return itemstack
end
local storage = ele.tools.get_tool_property(itemstack, "storage")
local usage = ele.tools.get_tool_property(itemstack, "usage")
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if storage < usage and not creative then
return nil
end
local original_stack = ItemStack(itemstack)
itemstack = original_on_use(itemstack, player, pointed_thing)
if not itemstack then
return nil
end
local node = minetest.get_node(pos)
return tooldef.after_use(itemstack, player, node, {wear = 1, time = 0, diggable = true})
end
end
minetest.register_tool(toolname, tooldef)
end