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Multiplexer gains extra outputs and wraps out-of-range indices. (#60462)
* Multiplexer also selects output port, indices wrap * Remove broken multiplexer type changer * Scratch that. Wasn't broken. * Document WRAPACCESS * Rename Multiplexer to Router * Address review. * typo * Address review. * fix partial rename * Address review * double desc
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Gurkenglas
@@ -1,56 +0,0 @@
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/**
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* # Combiner Component
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*
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* Combines multiple inputs into 1 output port.
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*/
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/obj/item/circuit_component/multiplexer
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display_name = "Multiplexer"
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desc = "A component that allows you to selectively choose which input port provides an output. The first port is the selector and takes a number between 1 and the maximum port amount."
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circuit_flags = CIRCUIT_FLAG_INPUT_SIGNAL|CIRCUIT_FLAG_OUTPUT_SIGNAL
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/// The port to select from, goes from 1 to input_port_amount
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var/datum/port/input/input_port
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/// The amount of input ports to have
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var/input_port_amount = 4
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var/datum/port/output/output_port
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/// Current type of the ports
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var/current_type
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/// The multiplexer inputs. These are what get selected for the output by the input_port.
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var/list/datum/port/input/multiplexer_inputs
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/obj/item/circuit_component/multiplexer/populate_options()
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var/static/component_options = list(
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PORT_TYPE_ANY,
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PORT_TYPE_STRING,
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PORT_TYPE_NUMBER,
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PORT_TYPE_LIST,
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PORT_TYPE_ATOM,
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)
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options = component_options
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/obj/item/circuit_component/multiplexer/Initialize()
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. = ..()
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current_type = current_option
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input_port = add_input_port("Selector", PORT_TYPE_NUMBER, default = 1)
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multiplexer_inputs = list()
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for(var/port_id in 1 to input_port_amount)
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multiplexer_inputs += add_input_port("Port [port_id]", current_type)
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output_port = add_output_port("Output", current_type)
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/obj/item/circuit_component/multiplexer/input_received(datum/port/input/port)
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. = ..()
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if(current_type != current_option)
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current_type = current_option
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for(var/datum/port/input/input_port as anything in multiplexer_inputs)
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input_port.set_datatype(current_type)
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output_port.set_datatype(current_type)
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input_port.set_input(clamp(input_port.input_value || 1, 1, input_port_amount), FALSE)
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if(.)
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return
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output_port.set_output(multiplexer_inputs[input_port.input_value].input_value)
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@@ -0,0 +1,79 @@
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/**
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* # Router Component
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*
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* Writes one of multiple inputs to one of multiple outputs.
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*/
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/obj/item/circuit_component/router
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display_name = "Router"
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desc = "Copies the input chosen by \"Input Selector\" to the output chosen by \"Output Selector\"."
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circuit_flags = CIRCUIT_FLAG_INPUT_SIGNAL|CIRCUIT_FLAG_OUTPUT_SIGNAL
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/// Which ports to connect.
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var/datum/port/input/input_selector
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var/datum/port/input/output_selector
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/// How many ports to have.
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var/input_port_amount = 4
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var/output_port_amount = 4
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/// Current type of the ports
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var/current_type
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/// The ports to route.
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var/list/datum/port/input/ins
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var/list/datum/port/output/outs
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/obj/item/circuit_component/router/populate_options()
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var/static/component_options = list(
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PORT_TYPE_ANY,
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PORT_TYPE_STRING,
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PORT_TYPE_NUMBER,
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PORT_TYPE_LIST,
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PORT_TYPE_ATOM,
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)
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options = component_options
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/obj/item/circuit_component/router/Initialize()
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. = ..()
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current_type = current_option
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if(input_port_amount > 1)
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input_selector = add_input_port("Input Selector", PORT_TYPE_NUMBER, default = 1)
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if(output_port_amount > 1)
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output_selector = add_input_port("Output Selector", PORT_TYPE_NUMBER, default = 1)
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ins = list()
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for(var/port_id in 1 to input_port_amount)
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ins += add_input_port(input_port_amount > 1 ? "Input [port_id]" : "Input", current_type)
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outs = list()
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for(var/port_id in 1 to output_port_amount)
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outs += add_output_port(output_port_amount > 1 ? "Output [port_id]" : "Output", current_type)
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/obj/item/circuit_component/router/Destroy()
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input_selector = null
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output_selector = null
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ins.Cut()
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ins = null
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outs.Cut()
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outs = null
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return ..()
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// If I is in range, L[I]. If I is out of range, wrap around.
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#define WRAPACCESS(L, I) L[(((I||1)-1)%length(L)+length(L))%length(L)+1]
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/obj/item/circuit_component/router/input_received(datum/port/input/port)
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. = ..()
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if(current_type != current_option)
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current_type = current_option
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for(var/datum/port/input/input as anything in ins)
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input.set_datatype(current_type)
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for(var/datum/port/output/output as anything in outs)
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output.set_datatype(current_type)
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if(.)
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return
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var/datum/port/input/input = WRAPACCESS(ins, input_selector ? input_selector.input_value : 1)
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var/datum/port/output/output = WRAPACCESS(outs, output_selector ? output_selector.input_value : 1)
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output.set_output(input.input_value)
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/obj/item/circuit_component/router/multiplexer
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display_name = "Multiplexer"
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desc = "Copies the input chosen by \"Input Selector\" to the output."
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output_port_amount = 1
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