Extract fluid API functions to separate file

api.lua

@@ -60,80 +60,6 @@ industrialtest.api.afterToolUse=function(itemstack)
 	itemstack:set_wear(65535-uses/def.tool_capabilities.uses*65535)
 end
 
--- \brief Check if itemstack contains fluid storage
--- \param itemstack ItemStack
--- \returns bool
-industrialtest.api.itemHasFluidStorage=function(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 Updates itemstack description and wear depending on contained fluid
--- \param itemstack ItemStack
--- \returns nil
-industrialtest.api.updateItemFluidText=function(itemstack)
-	local meta=itemstack:get_meta()
-	local def=itemstack:get_definition()
-	meta:set_string("description",S("@1\n@2 / @3 mB",def.description,meta:get_int("industrialtest.fluidAmount"),meta:get_int("industrialtest.fluidCapacity")))
-	itemstack:set_wear(65535-meta:get_int("industrialtest.fluidAmount")/meta:get_int("industrialtest.fluidCapacity")*65534)
-end
-
--- \brief Prepares itemstack containing fluid storage
--- \param itemstack ItemStack
--- \returns bool
-industrialtest.api.prepareFluidStorageItem=function(itemstack)
-	local meta=itemstack:get_meta()
-	local def=itemstack:get_definition()
-	if industrialtest.api.itemHasFluidStorage(itemstack) or not def.groups or not def.groups._industrialtest_fluidStorage or not def._industrialtest_fluidCapacity then
-		return false
-	end
-	meta:set_int("industrialtest.fluidAmount",0)
-	meta:set_int("industrialtest.fluidCapacity",def._industrialtest_fluidCapacity)
-	industrialtest.api.updateItemFluidText(itemstack)
-	return true
-end
-
--- \brief Adds fluid amount to item fluid storage
--- \param itemstack ItemStack
--- \param amount number
--- \returns number
-industrialtest.api.addFluidToItem=function(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
-industrialtest.api.transferFluidToItem=function(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
-
 -- \brief Transfers power from source node to it's network, if sides is set then power will be only transfered to network connected to that sides
 -- \param pos Vector with position of source node
 -- \param (optional) sides table with Vectors

api/fluid.lua

@@ -0,0 +1,89 @@
+-- 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/>.
+
+-- \brief Prepares itemstack containing fluid storage
+-- \param itemstack ItemStack
+-- \returns bool
+function industrialtest.api.prepareFluidStorageItem(itemstack)
+	local meta=itemstack:get_meta()
+	local def=itemstack:get_definition()
+	if industrialtest.api.itemHasFluidStorage(itemstack) or not def.groups or not def.groups._industrialtest_fluidStorage or not def._industrialtest_fluidCapacity then
+		return false
+	end
+	meta:set_int("industrialtest.fluidAmount",0)
+	meta:set_int("industrialtest.fluidCapacity",def._industrialtest_fluidCapacity)
+	industrialtest.api.updateItemFluidText(itemstack)
+	return true
+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 Updates itemstack description and wear depending on contained fluid
+-- \param itemstack ItemStack
+-- \returns nil
+function industrialtest.api.updateItemFluidText(itemstack)
+	local meta=itemstack:get_meta()
+	local def=itemstack:get_definition()
+	meta:set_string("description",S("@1\n@2 / @3 mB",def.description,meta:get_int("industrialtest.fluidAmount"),meta:get_int("industrialtest.fluidCapacity")))
+	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

init.lua

@@ -32,6 +32,7 @@ dofile(modpath.."/compatibility.lua")
 dofile(modpath.."/minerals.lua")
 
 dofile(modpath.."/api/common.lua")
+dofile(modpath.."/api/fluid.lua")
 dofile(modpath.."/api/power.lua")
 dofile(modpath.."/api/side.lua")
 dofile(modpath.."/api.lua")