industrialtest/api/fluid.lua

133 lines
4.7 KiB
Lua

-- IndustrialTest
-- Copyright (C) 2024 mrkubax10
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
local S=minetest.get_translator("industrialtest")
local function createItemFluidStorageText(itemstack)
local meta=itemstack:get_meta()
local fluidCapacity=meta:get_int("industrialtest.fluidCapacity")
local fluidAmount=meta:get_int("industrialtest.fluidAmount")
local lowerLimit=math.floor(fluidCapacity*0.25)
local color=(fluidAmount>lowerLimit and "#0000FF" or "#FF0000")
return minetest.colorize(color,S("@1 / @2 mB",fluidAmount,fluidCapacity))
end
-- \brief Check if itemstack contains fluid storage
-- \param itemstack ItemStack
-- \returns bool
function industrialtest.api.itemHasFluidStorage(itemstack)
local values={"industrialtest.fluidAmount","industrialtest.fluidCapacity"}
local meta=itemstack:get_meta()
for _,value in ipairs(values) do
if not meta:contains(value) then
return false
end
end
return true
end
-- \brief Check if fluid storage in meta is full
-- \param meta MetaDataRef
-- \returns bool
function industrialtest.api.isFluidStorageFull(meta)
return meta:get_int("industrialtest.fluidAmount")>=meta:get_int("industrialtest.fluidCapacity")
end
-- \brief Check if item fluid storage is full
-- \param itemstack ItemStack
-- \returns bool
function industrialtest.api.isItemFluidStorageFull(itemstack)
local meta=itemstack:get_meta()
return industrialtest.api.isFluidStorageFull(meta)
end
-- \brief Check if fluid storage in meta is empty
-- \param meta MetaDataRef
-- \returns bool
function industrialtest.api.isFluidStorageEmpty(meta)
return meta:get_int("industrialtest.fluidAmount")==0
end
-- \brief Check if item fluid storage is empty
-- \param itemstack ItemStack
-- \returns bool
function industrialtest.api.isItemFluidStorageEmpty(itemstack)
local meta=itemstack:get_meta()
return industrialtest.api.isFluidStorageEmpty(meta)
end
-- \brief Updates itemstack description and wear depending on contained fluid
-- \param itemstack ItemStack
-- \returns nil
function industrialtest.api.updateItemFluidText(itemstack)
local meta=itemstack:get_meta()
if industrialtest.mtgAvailable then
local def=itemstack:get_definition()
local fluidStorageText=createItemFluidStorageText(itemstack)
meta:set_string("description",string.format("%s\n%s",def.description,fluidStorageText))
elseif industrialtest.mclAvailable then
tt.reload_itemstack_description(itemstack)
end
itemstack:set_wear(65535-meta:get_int("industrialtest.fluidAmount")/meta:get_int("industrialtest.fluidCapacity")*65534)
end
-- \brief Adds fluid amount to item fluid storage
-- \param itemstack ItemStack
-- \param amount number
-- \returns number
function industrialtest.api.addFluidToItem(itemstack,amount)
local meta=itemstack:get_meta()
if not industrialtest.api.itemHasFluidStorage(itemstack) then
return 0
end
local fluidAmount=meta:get_int("industrialtest.fluidAmount")
local fluidCapacity=meta:get_int("industrialtest.fluidCapacity")
local prevFluidAmount=fluidAmount
fluidAmount=industrialtest.internal.clamp(fluidAmount+amount,0,fluidCapacity)
meta:set_int("industrialtest.fluidAmount",fluidAmount)
industrialtest.api.updateItemFluidText(itemstack)
return fluidAmount-prevFluidAmount
end
-- \brief Adds fluid to destination itemstack while subtracting it from source itemstack's metadata
-- \param srcItemstack ItemStack
-- \param itemstack ItemStack
-- \param amount number
-- \returns number
function industrialtest.api.transferFluidToItem(srcItemstack,itemstack,amount)
local meta=srcItemstack:get_meta()
local flow=math.min(meta:get_int("industrialtest.fluidAmount"),amount)
if flow==0 then
return 0
end
local actualFlow=industrialtest.api.addFluidToItem(itemstack,flow)
meta:set_int("industrialtest.fluidAmount",meta:get_int("industrialtest.fluidAmount")-actualFlow)
industrialtest.api.updateItemFluidText(srcItemstack)
return actualFlow
end
if industrialtest.mclAvailable then
tt.register_snippet(function(itemstring,toolCapabilities,itemstack)
if not itemstack then
return nil
end
if not industrialtest.api.itemHasFluidStorage(itemstack) then
return nil
end
return createItemFluidStorageText(itemstack),false
end)
end