industrialtest/api.lua

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-- IndustrialTest
-- Copyright (C) 2023 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/>.
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local S=minetest.get_translator("industrialtest")
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industrialtest.api={}
-- \brief Adds power storage to metadata
-- \param capacity How much EU item/node can store
-- \param flow How much EU can flow in or out item/node per industrialtest.updateDelay
-- \param ioConfig Input/Output configuration in following side order: -X, +X, -Y, +Y, -Z, +Z
-- a - bidirectional, i - input, o - output
-- \returns nil
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industrialtest.api.addPowerStorage=function(meta,capacity,flow,ioConfig)
meta:set_int("industrialtest.powerCapacity",capacity)
meta:set_int("industrialtest.powerFlow",flow)
meta:set_int("industrialtest.powerAmount",0)
meta:set_string("industrialtest.ioConfig",ioConfig)
end
industrialtest.api.hasPowerStorage=function(meta)
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local values={"industrialtest.powerCapacity","industrialtest.powerFlow","industrialtest.powerAmount","industrialtest.ioConfig"}
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for _,value in ipairs(values) do
if not meta:contains(value) then
return false
end
end
return true
end
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industrialtest.api.updateItemPowerText=function(itemstack)
local meta=itemstack:get_meta()
local def=minetest.registered_tools[itemstack:get_name()]
meta:set_string("description",S("@1\n@2 / @3 EU",def.description,meta:get_int("industrialtest.powerAmount"),meta:get_int("industrialtest.powerCapacity")))
itemstack:set_wear(65535-meta:get_int("industrialtest.powerAmount")/meta:get_int("industrialtest.powerCapacity")*65534)
end
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industrialtest.api.preparePowerStorageItem=function(itemstack)
local meta=itemstack:get_meta()
local def=minetest.registered_tools[itemstack:get_name()]
if industrialtest.api.hasPowerStorage(meta) or not def or not def._industrialtest_powerStorage or not def._industrialtest_powerCapacity or not def._industrialtest_powerFlow then
return false
end
industrialtest.api.addPowerStorage(meta,def._industrialtest_powerCapacity,def._industrialtest_powerFlow,"n/a")
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industrialtest.api.updateItemPowerText(itemstack)
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return true
end
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industrialtest.api.prepareToolItem=function(itemstack)
local def=minetest.registered_tools[itemstack:get_name()]
if not def or not def._industrialtest_tool or not def.tool_capabilities or not def.tool_capabilities.uses then
return false
end
local meta=itemstack:get_meta()
meta:set_int("industrialtest.uses",def.tool_capabilities.uses)
return true
end
industrialtest.api.afterToolUse=function(itemstack)
local meta=itemstack:get_meta()
local def=minetest.registered_tools[itemstack:get_name()]
if not def or not def._industrialtest_tool or not def.tool_capabilities or not def.tool_capabilities.uses then
return
end
if not meta:contains("industrialtest.uses") then
industrialtest.prepareToolItem(itemstack)
end
local uses=meta:get_int("industrialtest.uses")-1
if uses==0 then
itemstack:set_count(0)
minetest.sound_play({name="default_tool_breaks"},{
gain=1,
fade=0,
pitch=1
},true)
return
end
meta:set_int("industrialtest.uses",uses)
itemstack:set_wear(65535-uses/def.tool_capabilities.uses*65535)
end
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industrialtest.api.isFullyCharged=function(meta)
return meta:get_int("industrialtest.powerAmount")>=meta:get_int("industrialtest.powerCapacity")
end
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industrialtest.api.addPower=function(meta,amount)
local powerAmount=meta:get_int("industrialtest.powerAmount")
local powerCapacity=meta:get_int("industrialtest.powerCapacity")
if powerAmount+amount>powerCapacity then
local addedAmount=powerCapacity-powerAmount
meta:set_int("industrialtest.powerAmount",powerCapacity)
return addedAmount
end
meta:set_int("industrialtest.powerAmount",powerAmount+amount)
return amount
end
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industrialtest.api.addPowerToItem=function(itemstack,amount)
local meta=itemstack:get_meta()
if not industrialtest.api.hasPowerStorage(meta) then
return 0
end
local added=industrialtest.api.addPower(meta,amount)
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industrialtest.api.updateItemPowerText(itemstack)
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return added
end
industrialtest.api.transferPower=function(srcMeta,destMeta,amount)
local currentFlow=math.min(srcMeta:get_int("industrialtest.powerAmount"),amount)
if currentFlow==0 then
return 0
end
local actualFlow=industrialtest.api.addPower(destMeta,currentFlow)
srcMeta:set_int("industrialtest.powerAmount",srcMeta:get_int("industrialtest.powerAmount")-actualFlow)
return actualFlow
end
industrialtest.api.transferPowerToItem=function(srcMeta,itemstack,amount)
local currentFlow=math.min(srcMeta:get_int("industrialtest.powerAmount"),amount)
if currentFlow==0 then
return 0
end
local actualFlow=industrialtest.api.addPowerToItem(itemstack,currentFlow)
srcMeta:set_int("industrialtest.powerAmount",srcMeta:get_int("industrialtest.powerAmount")-actualFlow)
return actualFlow
end
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industrialtest.api.powerFlow=function(pos)
local meta=minetest.get_meta(pos)
if not industrialtest.api.hasPowerStorage(meta) then
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return false
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end
local neighbourPositions={
vector.offset(pos,-1,0,0),
vector.offset(pos,1,0,0),
vector.offset(pos,0,-1,0),
vector.offset(pos,0,1,0),
vector.offset(pos,0,0,-1),
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vector.offset(pos,0,0,1)
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}
local neighbours={}
for key,value in ipairs(neighbourPositions) do
neighbours[key]=minetest.get_meta(value)
end
local neighboursContainingPower=0
for key,value in ipairs(neighbours) do
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local side=industrialtest.api.getOppositeSide(key)
if industrialtest.api.hasPowerStorage(value) and industrialtest.api.isPowerInput(value,side) then
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neighboursContainingPower=neighboursContainingPower+1
else
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neighbourPositions[key]=0
neighbours[key]=0
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end
end
if neighboursContainingPower==0 then
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return false
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end
local powerFlow=meta:get_int("industrialtest.powerFlow")
local powerDistribution=math.floor(powerFlow/neighboursContainingPower)
-- TODO: if supplying machine power flow is too large for receiving machine to handle then that machine should explode
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local roomAvailable=false
local transferred=false
for key,value in ipairs(neighbours) do
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if industrialtest.api.isPowerOutput(meta,key) and value~=0 then
if industrialtest.api.transferPower(meta,value,powerDistribution)>0 then
transferred=true
end
local def=minetest.registered_nodes[minetest.get_node(neighbourPositions[key]).name]
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if def then
local updateFormspec=def._industrialtest_updateFormspec
if updateFormspec then
updateFormspec(value)
end
local onPowerFlow=def._industrialtest_onPowerFlow
if onPowerFlow and transferred then
onPowerFlow(neighbourPositions[key],industrialtest.api.getOppositeSide(key))
end
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end
minetest.get_node_timer(neighbourPositions[key]):start(industrialtest.updateDelay)
if not industrialtest.api.isFullyCharged(value) then
roomAvailable=true
end
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end
end
return roomAvailable,transferred
end
industrialtest.api.triggerNeighbours=function(pos)
local neighbourPositions={
vector.offset(pos,-1,0,0),
vector.offset(pos,1,0,0),
vector.offset(pos,0,-1,0),
vector.offset(pos,0,1,0),
vector.offset(pos,0,0,-1),
vector.offset(pos,0,0,1)
}
for key,value in ipairs(neighbourPositions) do
local meta=minetest.get_meta(value)
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local side=industrialtest.api.getOppositeSide(key)
if industrialtest.api.hasPowerStorage(meta) and industrialtest.api.isPowerOutput(meta,side) then
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minetest.get_node_timer(value):start(industrialtest.updateDelay)
end
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end
end
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industrialtest.api.getOppositeSide=function(side)
return (side%2==0 and side-1 or side+1)
end
industrialtest.api.getConnections=function(pos)
local result={}
local neighbourPositions={
vector.offset(pos,-1,0,0),
vector.offset(pos,1,0,0),
vector.offset(pos,0,-1,0),
vector.offset(pos,0,1,0),
vector.offset(pos,0,0,-1),
vector.offset(pos,0,0,1)
}
local index=1
for key,value in ipairs(neighbourPositions) do
local meta=minetest.get_meta(value)
if industrialtest.api.hasPowerStorage(meta) then
result[index]=key
index=index+1
end
end
return result
end
industrialtest.api.changeIoConfig=function(meta,side,mode)
local ioConfig=meta:get_string("industrialtest.ioConfig")
ioConfig=string.sub(ioConfig,1,side-1)..mode..string.sub(ioConfig,side+1)
meta:set_string("industrialtest.ioConfig",ioConfig)
end
industrialtest.api.isPowerInput=function(meta,side)
local ioConfig=meta:get_string("industrialtest.ioConfig")
local mode=string.sub(ioConfig,side,side)
return (mode=="i" or mode=="a")
end
industrialtest.api.isPowerOutput=function(meta,side)
local ioConfig=meta:get_string("industrialtest.ioConfig")
local mode=string.sub(ioConfig,side,side)
return (mode=="o" or mode=="a")
end