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Yogstation/code/modules/power/powernet.dm
2016-02-05 17:06:04 -06:00

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////////////////////////////////////////////
// POWERNET DATUM
// each contiguous network of cables & nodes
/////////////////////////////////////
/datum/powernet
var/number // unique id
var/list/cables = list() // all cables & junctions
var/list/nodes = list() // all connected machines
var/load = 0 // the current load on the powernet, increased by each machine at processing
var/newavail = 0 // what available power was gathered last tick, then becomes...
var/avail = 0 //...the current available power in the powernet
var/viewavail = 0 // the available power as it appears on the power console (gradually updated)
var/viewload = 0 // the load as it appears on the power console (gradually updated)
var/netexcess = 0 // excess power on the powernet (typically avail-load)///////
/datum/powernet/New()
SSmachine.powernets += src
/datum/powernet/Destroy()
//Go away references, you suck!
for(var/obj/structure/cable/C in cables)
cables -= C
C.powernet = null
for(var/obj/machinery/power/M in nodes)
nodes -= M
M.powernet = null
SSmachine.powernets -= src
return ..()
/datum/powernet/proc/is_empty()
return !cables.len && !nodes.len
//remove a cable from the current powernet
//if the powernet is then empty, delete it
//Warning : this proc DON'T check if the cable exists
/datum/powernet/proc/remove_cable(obj/structure/cable/C)
cables -= C
C.powernet = null
if(is_empty())//the powernet is now empty...
qdel(src)///... delete it
//add a cable to the current powernet
//Warning : this proc DON'T check if the cable exists
/datum/powernet/proc/add_cable(obj/structure/cable/C)
if(C.powernet)// if C already has a powernet...
if(C.powernet == src)
return
else
C.powernet.remove_cable(C) //..remove it
C.powernet = src
cables +=C
//remove a power machine from the current powernet
//if the powernet is then empty, delete it
//Warning : this proc DON'T check if the machine exists
/datum/powernet/proc/remove_machine(obj/machinery/power/M)
nodes -=M
M.powernet = null
if(is_empty())//the powernet is now empty...
qdel(src)///... delete it
//add a power machine to the current powernet
//Warning : this proc DON'T check if the machine exists
/datum/powernet/proc/add_machine(obj/machinery/power/M)
if(M.powernet)// if M already has a powernet...
if(M.powernet == src)
return
else
M.disconnect_from_network()//..remove it
M.powernet = src
nodes[M] = M
//handles the power changes in the powernet
//called every ticks by the powernet controller
/datum/powernet/proc/reset()
//see if there's a surplus of power remaining in the powernet and stores unused power in the SMES
netexcess = avail - load
if(netexcess > 100 && nodes && nodes.len) // if there was excess power last cycle
for(var/obj/machinery/power/smes/S in nodes) // find the SMESes in the network
S.restore() // and restore some of the power that was used
// update power consoles
viewavail = round(0.8 * viewavail + 0.2 * avail)
viewload = round(0.8 * viewload + 0.2 * load)
// reset the powernet
load = 0
avail = newavail
newavail = 0
/datum/powernet/proc/get_electrocute_damage()
if(avail >= 1000)
return Clamp(round(avail/10000), 10, 90) + rand(-5,5)
else
return 0